diff options
Diffstat (limited to 'branches/sca-java-2.0-M4/modules/common-xml/src/main/java/org/apache/tuscany/sca/common/xml/stax/reader')
17 files changed, 0 insertions, 4210 deletions
diff --git a/branches/sca-java-2.0-M4/modules/common-xml/src/main/java/org/apache/tuscany/sca/common/xml/stax/reader/DOMXMLStreamReader.java b/branches/sca-java-2.0-M4/modules/common-xml/src/main/java/org/apache/tuscany/sca/common/xml/stax/reader/DOMXMLStreamReader.java deleted file mode 100644 index b0224b6ca5..0000000000 --- a/branches/sca-java-2.0-M4/modules/common-xml/src/main/java/org/apache/tuscany/sca/common/xml/stax/reader/DOMXMLStreamReader.java +++ /dev/null @@ -1,36 +0,0 @@ -/* - * Licensed to the Apache Software Foundation (ASF) under one - * or more contributor license agreements. See the NOTICE file - * distributed with this work for additional information - * regarding copyright ownership. The ASF licenses this file - * to you under the Apache License, Version 2.0 (the - * "License"); you may not use this file except in compliance - * with the License. You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, - * software distributed under the License is distributed on an - * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY - * KIND, either express or implied. See the License for the - * specific language governing permissions and limitations - * under the License. - */ -package org.apache.tuscany.sca.common.xml.stax.reader; - -import org.w3c.dom.Node; - -public class DOMXMLStreamReader extends XmlTreeStreamReaderImpl { - - public DOMXMLStreamReader(Node node) { - super(new DOMXmlNodeImpl(node)); - switch (node.getNodeType()) { - case Node.DOCUMENT_NODE: - break; - case Node.ELEMENT_NODE: - break; - default: - throw new IllegalArgumentException("Illegal node type: " + node); - } - } -} diff --git a/branches/sca-java-2.0-M4/modules/common-xml/src/main/java/org/apache/tuscany/sca/common/xml/stax/reader/DOMXmlNodeImpl.java b/branches/sca-java-2.0-M4/modules/common-xml/src/main/java/org/apache/tuscany/sca/common/xml/stax/reader/DOMXmlNodeImpl.java deleted file mode 100644 index faa56701ad..0000000000 --- a/branches/sca-java-2.0-M4/modules/common-xml/src/main/java/org/apache/tuscany/sca/common/xml/stax/reader/DOMXmlNodeImpl.java +++ /dev/null @@ -1,150 +0,0 @@ -/* - * Licensed to the Apache Software Foundation (ASF) under one - * or more contributor license agreements. See the NOTICE file - * distributed with this work for additional information - * regarding copyright ownership. The ASF licenses this file - * to you under the Apache License, Version 2.0 (the - * "License"); you may not use this file except in compliance - * with the License. You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, - * software distributed under the License is distributed on an - * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY - * KIND, either express or implied. See the License for the - * specific language governing permissions and limitations - * under the License. - */ - -package org.apache.tuscany.sca.common.xml.stax.reader; - -import java.util.ArrayList; -import java.util.HashMap; -import java.util.Iterator; -import java.util.List; -import java.util.Map; - -import javax.xml.namespace.QName; - -import org.apache.tuscany.sca.common.xml.dom.DOMHelper; -import org.w3c.dom.Attr; -import org.w3c.dom.Document; -import org.w3c.dom.NamedNodeMap; -import org.w3c.dom.Node; -import org.w3c.dom.NodeList; - -/** - * @version $Rev$ $Date$ - */ -public class DOMXmlNodeImpl implements XmlNode { - private Node node; - private Map<String, String> namespaces; - private Type type; - - /** - * @param element - */ - public DOMXmlNodeImpl(Node element) { - super(); - if (element.getNodeType() == Node.DOCUMENT_NODE) { - this.node = ((Document)element).getDocumentElement(); - } else { - this.node = element; - } - switch (node.getNodeType()) { - case Node.CDATA_SECTION_NODE: - this.type = Type.CHARACTERS; - break; - case Node.ELEMENT_NODE: - this.type = Type.ELEMENT; - break; - case Node.TEXT_NODE: - this.type = Type.CHARACTERS; - break; - } - } - - /** - * @see org.apache.tuscany.sca.common.xml.stax.reader.databinding.xml.XmlNode#attributes() - */ - public List<XmlNode> attributes() { - if (type != Type.ELEMENT) { - return null; - } - NamedNodeMap attrs = node.getAttributes(); - List<XmlNode> xmlAttrs = new ArrayList<XmlNode>(); - for (int i = 0; i < attrs.getLength(); i++) { - Attr attr = (Attr)attrs.item(i); - if (!attr.getName().equals("xmlns") && !attr.getName().startsWith("xmlns:")) { - xmlAttrs.add(new SimpleXmlNodeImpl(getQName(attr), attr.getValue(), XmlNode.Type.ATTRIBUTE)); - } - } - return xmlAttrs; - } - - /** - * @see org.apache.tuscany.sca.common.xml.stax.reader.databinding.xml.XmlNode#children() - */ - public Iterator<XmlNode> children() { - if (type != Type.ELEMENT) { - return null; - } - NodeList nodes = node.getChildNodes(); - List<XmlNode> xmlNodes = new ArrayList<XmlNode>(); - for (int i = 0; i < nodes.getLength(); i++) { - Node child = (Node)nodes.item(i); - int nodeType = child.getNodeType(); - if (nodeType == Node.ELEMENT_NODE || nodeType == Node.TEXT_NODE || nodeType == Node.CDATA_SECTION_NODE) { - xmlNodes.add(new DOMXmlNodeImpl(child)); - } - } - return xmlNodes.iterator(); - } - - /** - * @see org.apache.tuscany.sca.common.xml.stax.reader.databinding.xml.XmlNode#getName() - */ - public QName getName() { - return getQName(node); - } - - private static QName getQName(Node node) { - return DOMHelper.getQName(node); - } - - /** - * @see org.apache.tuscany.sca.common.xml.stax.reader.databinding.xml.XmlNode#getValue() - */ - public String getValue() { - return node.getNodeValue(); - } - - /** - * @see org.apache.tuscany.sca.common.xml.stax.reader.databinding.xml.XmlNode#namespaces() - */ - public Map<String, String> namespaces() { - if (type != Type.ELEMENT) { - return null; - } - if (namespaces == null) { - namespaces = new HashMap<String, String>(); - NamedNodeMap attrs = node.getAttributes(); - for (int i = 0; i < attrs.getLength(); i++) { - Attr attr = (Attr)attrs.item(i); - if ("xmlns".equals(attr.getPrefix())) { - namespaces.put(attr.getLocalName(), attr.getValue()); - } - if ("xmlns".equals(attr.getName())) { - namespaces.put("", attr.getValue()); - } - } - } - return namespaces; - } - - public Type getType() { - return type; - } - -} diff --git a/branches/sca-java-2.0-M4/modules/common-xml/src/main/java/org/apache/tuscany/sca/common/xml/stax/reader/DelegatingNamespaceContext.java b/branches/sca-java-2.0-M4/modules/common-xml/src/main/java/org/apache/tuscany/sca/common/xml/stax/reader/DelegatingNamespaceContext.java deleted file mode 100644 index 8f136df7df..0000000000 --- a/branches/sca-java-2.0-M4/modules/common-xml/src/main/java/org/apache/tuscany/sca/common/xml/stax/reader/DelegatingNamespaceContext.java +++ /dev/null @@ -1,310 +0,0 @@ -/* - * Licensed to the Apache Software Foundation (ASF) under one - * or more contributor license agreements. See the NOTICE file - * distributed with this work for additional information - * regarding copyright ownership. The ASF licenses this file - * to you under the Apache License, Version 2.0 (the - * "License"); you may not use this file except in compliance - * with the License. You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, - * software distributed under the License is distributed on an - * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY - * KIND, either express or implied. See the License for the - * specific language governing permissions and limitations - * under the License. - */ -package org.apache.tuscany.sca.common.xml.stax.reader; - -import java.util.ArrayList; -import java.util.EmptyStackException; -import java.util.Iterator; -import java.util.List; - -import javax.xml.namespace.NamespaceContext; - -public class DelegatingNamespaceContext implements NamespaceContext { - private static int count; - - private class WrappingIterator implements Iterator { - - private Iterator containedIterator; - - public WrappingIterator(Iterator containedIterator) { - this.containedIterator = containedIterator; - } - - public Iterator getContainedIterator() { - return containedIterator; - } - - public boolean hasNext() { - return containedIterator.hasNext(); - } - - public Object next() { - return containedIterator.next(); - } - - /** - * As per the contract on the API of Namespace context the returned iterator should be immutable - */ - public void remove() { - throw new UnsupportedOperationException(); - } - - public void setContainedIterator(Iterator containedIterator) { - this.containedIterator = containedIterator; - } - } - - private NamespaceContext parentNsContext; - - private FastStack<String> prefixStack = new FastStack<String>(); - - // Keep two ArrayLists for the prefixes and namespaces. They should be in - // sync - // since the index of the entry will be used to relate them - // use the minimum initial capacity to let things handle memory better - - private FastStack<String> uriStack = new FastStack<String>(); - - /** - * Generates a unique namespace prefix that is not in the scope of the NamespaceContext - * - * @return string - */ - public String generateUniquePrefix() { - String prefix = "p" + count++; - // null should be returned if the prefix is not bound! - while (getNamespaceURI(prefix) != null) { - prefix = "p" + count++; - } - - return prefix; - } - - public String getNamespaceURI(String prefix) { - // do the corrections as per the Javadoc - int index = prefixStack.search(prefix); - if (index != -1) { - return uriStack.get(index); - } - if (parentNsContext != null) { - return parentNsContext.getPrefix(prefix); - } - return null; - } - - public NamespaceContext getParentNsContext() { - return parentNsContext; - } - - public String getPrefix(String uri) { - // do the corrections as per the Javadoc - int index = uriStack.search(uri); - if (index != -1) { - return prefixStack.get(index); - } - - if (parentNsContext != null) { - return parentNsContext.getPrefix(uri); - } - return null; - } - - public Iterator getPrefixes(String uri) { - // create an ArrayList that contains the relevant prefixes - String[] uris = uriStack.toArray(new String[uriStack.size()]); - List<String> tempList = new ArrayList<String>(); - for (int i = uris.length - 1; i >= 0; i--) { - if (uris[i].equals(uri)) { - tempList.add(prefixStack.get(i)); - // we assume that array conversion preserves the order - } - } - // by now all the relevant prefixes are collected - // make a new iterator and provide a wrapper iterator to - // obey the contract on the API - return new WrappingIterator(tempList.iterator()); - } - - /** - * Pop a namespace - */ - public void popNamespace() { - prefixStack.pop(); - uriStack.pop(); - } - - /** - * Register a namespace in this context - * - * @param prefix - * @param uri - */ - public void pushNamespace(String prefix, String uri) { - prefixStack.push(prefix); - uriStack.push(uri); - - } - - public void setParentNsContext(NamespaceContext parentNsContext) { - this.parentNsContext = parentNsContext; - } - - /** - * An implementation of the {@link java.util.Stack} API that is based on an <code>ArrayList</code> instead of a - * <code>Vector</code>, so it is not synchronized to protect against multi-threaded access. The implementation is - * therefore operates faster in environments where you do not need to worry about multiple thread contention. - * <p> - * The removal order of an <code>ArrayStack</code> is based on insertion order: The most recently added element is - * removed first. The iteration order is <i>not</i> the same as the removal order. The iterator returns elements - * from the bottom up, whereas the {@link #remove()} method removes them from the top down. - * <p> - * Unlike <code>Stack</code>, <code>ArrayStack</code> accepts null entries. - */ - public static class FastStack<T> extends ArrayList<T> { - - /** Ensure Serialization compatibility */ - private static final long serialVersionUID = 2130079159931574599L; - - /** - * Constructs a new empty <code>ArrayStack</code>. The initial size is controlled by <code>ArrayList</code> - * and is currently 10. - */ - public FastStack() { - super(); - } - - /** - * Constructs a new empty <code>ArrayStack</code> with an initial size. - * - * @param initialSize the initial size to use - * @throws IllegalArgumentException if the specified initial size is negative - */ - public FastStack(int initialSize) { - super(initialSize); - } - - /** - * Return <code>true</code> if this stack is currently empty. - * <p> - * This method exists for compatibility with <code>java.util.Stack</code>. New users of this class should use - * <code>isEmpty</code> instead. - * - * @return true if the stack is currently empty - */ - public boolean empty() { - return isEmpty(); - } - - /** - * Returns the top item off of this stack without removing it. - * - * @return the top item on the stack - * @throws EmptyStackException if the stack is empty - */ - public T peek() throws EmptyStackException { - int n = size(); - if (n <= 0) { - throw new EmptyStackException(); - } else { - return get(n - 1); - } - } - - /** - * Returns the n'th item down (zero-relative) from the top of this stack without removing it. - * - * @param n the number of items down to go - * @return the n'th item on the stack, zero relative - * @throws EmptyStackException if there are not enough items on the stack to satisfy this request - */ - public T peek(int n) throws EmptyStackException { - int m = (size() - n) - 1; - if (m < 0) { - throw new EmptyStackException(); - } else { - return get(m); - } - } - - /** - * Pops the top item off of this stack and return it. - * - * @return the top item on the stack - * @throws EmptyStackException if the stack is empty - */ - public T pop() throws EmptyStackException { - int n = size(); - if (n <= 0) { - throw new EmptyStackException(); - } else { - return remove(n - 1); - } - } - - /** - * Pushes a new item onto the top of this stack. The pushed item is also returned. This is equivalent to calling - * <code>add</code>. - * - * @param item the item to be added - * @return the item just pushed - */ - public Object push(T item) { - add(item); - return item; - } - - /** - * Returns the top-most index for the object in the stack - * - * @param object the object to be searched for - * @return top-most index, or -1 if not found - */ - public int search(T object) { - int i = size() - 1; // Current index - while (i >= 0) { - T current = get(i); - if ((object == null && current == null) || (object != null && object.equals(current))) { - return i; - } - i--; - } - return -1; - } - - /** - * Returns the element on the top of the stack. - * - * @return the element on the top of the stack - * @throws EmptyStackException if the stack is empty - */ - public T get() { - int size = size(); - if (size == 0) { - throw new EmptyStackException(); - } - return get(size - 1); - } - - /** - * Removes the element on the top of the stack. - * - * @return the removed element - * @throws EmptyStackException if the stack is empty - */ - public T remove() { - int size = size(); - if (size == 0) { - throw new EmptyStackException(); - } - return remove(size - 1); - } - - } - -} diff --git a/branches/sca-java-2.0-M4/modules/common-xml/src/main/java/org/apache/tuscany/sca/common/xml/stax/reader/NameValueArrayStreamReader.java b/branches/sca-java-2.0-M4/modules/common-xml/src/main/java/org/apache/tuscany/sca/common/xml/stax/reader/NameValueArrayStreamReader.java deleted file mode 100644 index ec3b6e083b..0000000000 --- a/branches/sca-java-2.0-M4/modules/common-xml/src/main/java/org/apache/tuscany/sca/common/xml/stax/reader/NameValueArrayStreamReader.java +++ /dev/null @@ -1,404 +0,0 @@ -/* - * Licensed to the Apache Software Foundation (ASF) under one - * or more contributor license agreements. See the NOTICE file - * distributed with this work for additional information - * regarding copyright ownership. The ASF licenses this file - * to you under the Apache License, Version 2.0 (the - * "License"); you may not use this file except in compliance - * with the License. You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, - * software distributed under the License is distributed on an - * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY - * KIND, either express or implied. See the License for the - * specific language governing permissions and limitations - * under the License. - */ -package org.apache.tuscany.sca.common.xml.stax.reader; - -import javax.xml.namespace.NamespaceContext; -import javax.xml.namespace.QName; -import javax.xml.stream.Location; -import javax.xml.stream.XMLStreamException; - - -public class NameValueArrayStreamReader implements XMLFragmentStreamReader { - - private static final int START_ELEMENT_STATE = 0; - private static final int TEXT_STATE = 1; - private static final int END_ELEMENT_STATE = 2; - private static final int FINAL_END_ELEMENT_STATE = 3; - private static final int START_ELEMENT_STATE_WITH_NULL = 4; - - private DelegatingNamespaceContext namespaceContext = new DelegatingNamespaceContext(); - // the index of the array - private int arrayIndex; - - private QName name; - private String[] values; - - // start element is the default state - private int state = START_ELEMENT_STATE; - - public NameValueArrayStreamReader(QName name, String[] values) { - this.name = name; - this.values = values; - } - - public void setParentNamespaceContext(NamespaceContext nsContext) { - this.namespaceContext.setParentNsContext(nsContext); - } - - public void init() { - // TODO what if the QName namespace has not been declared - } - - public Object getProperty(String string) throws IllegalArgumentException { - return null; - } - - /** - * @throws XMLStreamException - */ - public int next() throws XMLStreamException { - switch (state) { - case START_ELEMENT_STATE: - if (values.length > 0) { - state = TEXT_STATE; - return CHARACTERS; - } else { - state = FINAL_END_ELEMENT_STATE; - return END_ELEMENT; - } - - case START_ELEMENT_STATE_WITH_NULL: - if (arrayIndex == (values.length - 1)) { - state = FINAL_END_ELEMENT_STATE; - } else { - state = END_ELEMENT_STATE; - } - return END_ELEMENT; - case FINAL_END_ELEMENT_STATE: - // oops, not supposed to happen! - throw new XMLStreamException("end already reached!"); - case END_ELEMENT_STATE: - // we've to have more values since this is not the - // last value - // increment the counter - arrayIndex++; - if (values[arrayIndex] == null) { - state = START_ELEMENT_STATE_WITH_NULL; - } else { - state = START_ELEMENT_STATE; - } - return START_ELEMENT; - case TEXT_STATE: - if (arrayIndex == (values.length - 1)) { - state = FINAL_END_ELEMENT_STATE; - return END_ELEMENT; - } else { - state = END_ELEMENT_STATE; - return END_ELEMENT; - } - - default: - throw new XMLStreamException("unknown event type!"); - } - } - - public void require(int i, String string, String string1) throws XMLStreamException { - // nothing done here - } - - public String getElementText() throws XMLStreamException { - return null; // not implemented - } - - public int nextTag() throws XMLStreamException { - return 0; // not implemented - } - - public String getAttributeValue(String string, String string1) { - if (state == TEXT_STATE) { - // TODO something - return null; - } else { - return null; - } - - } - - public int getAttributeCount() { - if (state == START_ELEMENT_STATE_WITH_NULL) { - return 1; - } - if (state == START_ELEMENT_STATE) { - return 0; - } else { - throw new IllegalStateException(); - } - - } - - public QName getAttributeName(int i) { - if (state == START_ELEMENT_STATE_WITH_NULL && i == 0) { - return NIL_QNAME; - } - if (state == START_ELEMENT_STATE) { - return null; - } else { - throw new IllegalStateException(); - } - } - - public String getAttributeNamespace(int i) { - if (state == START_ELEMENT_STATE_WITH_NULL && i == 0) { - return NIL_QNAME.getNamespaceURI(); - } - if (state == START_ELEMENT_STATE) { - return null; - } else { - throw new IllegalStateException(); - } - } - - public String getAttributeLocalName(int i) { - if (state == START_ELEMENT_STATE_WITH_NULL && i == 0) { - return NIL_QNAME.getLocalPart(); - } - if (state == START_ELEMENT_STATE) { - return null; - } else { - throw new IllegalStateException(); - } - } - - public String getAttributePrefix(int i) { - if (state == START_ELEMENT_STATE_WITH_NULL && i == 0) { - return NIL_QNAME.getPrefix(); - } - if (state == START_ELEMENT_STATE) { - return null; - } else { - throw new IllegalStateException(); - } - } - - public String getAttributeType(int i) { - return null; // not implemented - } - - public String getAttributeValue(int i) { - if (state == START_ELEMENT_STATE_WITH_NULL && i == 0) { - return NIL_VALUE_TRUE; - } - if (state == START_ELEMENT_STATE) { - return null; - } else { - throw new IllegalStateException(); - } - } - - public boolean isAttributeSpecified(int i) { - return false; // not supported - } - - public int getNamespaceCount() { - if (state == START_ELEMENT_STATE_WITH_NULL && isXsiNamespacePresent()) { - return 1; - } else { - return 0; - } - - } - - public String getNamespacePrefix(int i) { - if (state == START_ELEMENT_STATE_WITH_NULL && isXsiNamespacePresent() && i == 0) { - return NIL_QNAME.getPrefix(); - } else { - return null; - } - } - - public String getNamespaceURI(int i) { - if (state == START_ELEMENT_STATE_WITH_NULL && isXsiNamespacePresent() && i == 0) { - return NIL_QNAME.getNamespaceURI(); - } else { - return null; - } - } - - public NamespaceContext getNamespaceContext() { - return this.namespaceContext; - } - - public boolean isDone() { - return state == FINAL_END_ELEMENT_STATE; - } - - public int getEventType() { - switch (state) { - case START_ELEMENT_STATE: - return START_ELEMENT; - case END_ELEMENT_STATE: - return END_ELEMENT; - case TEXT_STATE: - return CHARACTERS; - case FINAL_END_ELEMENT_STATE: - return END_ELEMENT; - default: - throw new UnsupportedOperationException(); - // we've no idea what this is!!!!! - } - - } - - public String getText() { - if (state == TEXT_STATE) { - return values[arrayIndex]; - } else { - throw new IllegalStateException(); - } - } - - public char[] getTextCharacters() { - if (state == TEXT_STATE) { - return values[arrayIndex].toCharArray(); - } else { - throw new IllegalStateException(); - } - } - - public int getTextCharacters(int i, char[] chars, int i1, int i2) throws XMLStreamException { - // not implemented - throw new UnsupportedOperationException(); - } - - public int getTextStart() { - if (state == TEXT_STATE) { - return 0; - } else { - throw new IllegalStateException(); - } - } - - public int getTextLength() { - if (state == TEXT_STATE) { - return values[arrayIndex].length(); - } else { - throw new IllegalStateException(); - } - - } - - public String getEncoding() { - return null; - } - - public boolean hasText() { - return state == TEXT_STATE; - } - - public Location getLocation() { - return null; // not supported - } - - public QName getName() { - if (state != TEXT_STATE) { - return name; - } else { - return null; - } - } - - public String getLocalName() { - if (state != TEXT_STATE) { - return name.getLocalPart(); - } else { - return null; - } - } - - public boolean hasName() { - return state != TEXT_STATE; - - } - - public String getNamespaceURI() { - if (state != TEXT_STATE) { - return name.getNamespaceURI(); - } else { - return null; - } - - } - - public String getPrefix() { - if (state != TEXT_STATE) { - return name.getPrefix(); - } else { - return null; - } - } - - public String getVersion() { - return null; // TODO 1.0 ? - } - - public boolean isStandalone() { - return false; - } - - public boolean standaloneSet() { - return false; - } - - public String getCharacterEncodingScheme() { - return null; - } - - public String getPITarget() { - return null; - } - - public String getPIData() { - return null; - } - - public boolean hasNext() throws XMLStreamException { - return state != FINAL_END_ELEMENT_STATE; - } - - public void close() throws XMLStreamException { - // Do nothing - we've nothing to free here - } - - public String getNamespaceURI(String prefix) { - return namespaceContext.getNamespaceURI(prefix); - } - - public boolean isStartElement() { - return state == START_ELEMENT_STATE; - } - - public boolean isEndElement() { - return state == END_ELEMENT_STATE; - } - - public boolean isCharacters() { - return state == TEXT_STATE; - } - - public boolean isWhiteSpace() { - return false; // no whitespaces here - } - - /** - * Test whether the xsi namespace is present - */ - private boolean isXsiNamespacePresent() { - return namespaceContext.getNamespaceURI(NIL_QNAME.getPrefix()) != null; - } -} diff --git a/branches/sca-java-2.0-M4/modules/common-xml/src/main/java/org/apache/tuscany/sca/common/xml/stax/reader/NameValuePairStreamReader.java b/branches/sca-java-2.0-M4/modules/common-xml/src/main/java/org/apache/tuscany/sca/common/xml/stax/reader/NameValuePairStreamReader.java deleted file mode 100644 index 4abf9b3dcf..0000000000 --- a/branches/sca-java-2.0-M4/modules/common-xml/src/main/java/org/apache/tuscany/sca/common/xml/stax/reader/NameValuePairStreamReader.java +++ /dev/null @@ -1,348 +0,0 @@ -/* - * Licensed to the Apache Software Foundation (ASF) under one - * or more contributor license agreements. See the NOTICE file - * distributed with this work for additional information - * regarding copyright ownership. The ASF licenses this file - * to you under the Apache License, Version 2.0 (the - * "License"); you may not use this file except in compliance - * with the License. You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, - * software distributed under the License is distributed on an - * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY - * KIND, either express or implied. See the License for the - * specific language governing permissions and limitations - * under the License. - */ -package org.apache.tuscany.sca.common.xml.stax.reader; - -import javax.xml.namespace.NamespaceContext; -import javax.xml.namespace.QName; -import javax.xml.stream.Location; -import javax.xml.stream.XMLStreamException; - - - -public class NameValuePairStreamReader implements XMLFragmentStreamReader { - - private static final int START_ELEMENT_STATE = 0; - private static final int TEXT_STATE = 1; - private static final int END_ELEMENT_STATE = 2; - - private DelegatingNamespaceContext namespaceContext = new DelegatingNamespaceContext(); - - private QName name; - private String value; - - private int state = START_ELEMENT_STATE; - // initiate at the start element state - - // keeps track whether the namespace is declared - // false by default - private boolean nsDeclared; - - public NameValuePairStreamReader(QName name, String value) { - this.name = name; - this.value = value; - } - - public Object getProperty(String key) throws IllegalArgumentException { - return null; - } - - public int next() throws XMLStreamException { - // no need to handle null here. it should have been handled - // already - switch (state) { - case START_ELEMENT_STATE: - state = TEXT_STATE; - return CHARACTERS; - case END_ELEMENT_STATE: - // oops, not supposed to happen! - throw new XMLStreamException("end already reached!"); - case TEXT_STATE: - state = END_ELEMENT_STATE; - return END_ELEMENT; - default: - throw new XMLStreamException("unknown event type!"); - } - } - - public void require(int i, String string, String string1) throws XMLStreamException { - // not implemented - } - - public String getElementText() throws XMLStreamException { - if (state == START_ELEMENT) { - // move to the end state and return the value - state = END_ELEMENT_STATE; - return value; - } else { - throw new XMLStreamException(); - } - - } - - public int nextTag() throws XMLStreamException { - return 0; // TODO - } - - public boolean hasNext() throws XMLStreamException { - return state != END_ELEMENT_STATE; - } - - public void close() throws XMLStreamException { - // Do nothing - we've nothing to free here - } - - public String getNamespaceURI(String prefix) { - return namespaceContext.getNamespaceURI(prefix); - } - - public boolean isStartElement() { - return state == START_ELEMENT_STATE; - } - - public boolean isEndElement() { - return state == END_ELEMENT_STATE; - } - - public boolean isCharacters() { - return state == TEXT_STATE; - } - - public boolean isWhiteSpace() { - return false; // no whitespaces here - } - - public String getAttributeValue(String string, String string1) { - return null; - } - - public int getAttributeCount() { - return 0; - } - - public QName getAttributeName(int i) { - return null; - } - - public String getAttributeNamespace(int i) { - return null; - } - - public String getAttributeLocalName(int i) { - return null; - } - - public String getAttributePrefix(int i) { - return null; - } - - public String getAttributeType(int i) { - return null; - } - - public String getAttributeValue(int i) { - return null; - } - - public boolean isAttributeSpecified(int i) { - return false; // no attributes here - } - - public int getNamespaceCount() { - return nsDeclared ? 1 : 0; - } - - public String getNamespacePrefix(int i) { - return (nsDeclared && i == 0) ? name.getPrefix() : null; - } - - public String getNamespaceURI(int i) { - return (nsDeclared && i == 0) ? name.getNamespaceURI() : null; - } - - public NamespaceContext getNamespaceContext() { - return this.namespaceContext; - } - - public int getEventType() { - switch (state) { - case START_ELEMENT_STATE: - return START_ELEMENT; - case END_ELEMENT_STATE: - return END_ELEMENT; - case TEXT_STATE: - return CHARACTERS; - default: - throw new UnsupportedOperationException(); - // we've no idea what this is!!!!! - } - - } - - public String getText() { - if (state == TEXT_STATE) { - return value; - } else { - throw new IllegalStateException(); - } - } - - public char[] getTextCharacters() { - if (state == TEXT_STATE) { - return value.toCharArray(); - } else { - throw new IllegalStateException(); - } - } - - public int getTextCharacters(int i, char[] chars, int i1, int i2) throws XMLStreamException { - // not implemented - throw new UnsupportedOperationException(); - } - - public int getTextStart() { - if (state == TEXT_STATE) { - return 0; - } else { - throw new IllegalStateException(); - } - } - - public int getTextLength() { - if (state == TEXT_STATE) { - return value.length(); - } else { - throw new IllegalStateException(); - } - - } - - public String getEncoding() { - return null; - } - - public boolean hasText() { - return state == TEXT_STATE; - } - - public Location getLocation() { - return new Location() { - public int getLineNumber() { - return 0; - } - - public int getColumnNumber() { - return 0; - } - - public int getCharacterOffset() { - return 0; - } - - public String getPublicId() { - return null; - } - - public String getSystemId() { - return null; - } - }; - } - - public QName getName() { - if (state != TEXT_STATE) { - return name; - } else { - return null; - } - } - - public String getLocalName() { - if (state != TEXT_STATE) { - return name.getLocalPart(); - } else { - return null; - } - } - - public boolean hasName() { - return state != TEXT_STATE; - - } - - public String getNamespaceURI() { - if (state != TEXT_STATE) { - return name.getNamespaceURI(); - } else { - return null; - } - - } - - public String getPrefix() { - if (state != TEXT_STATE) { - return name.getPrefix(); - } else { - return null; - } - } - - public String getVersion() { - return null; // TODO 1.0 ? - } - - public boolean isStandalone() { - return false; - } - - public boolean standaloneSet() { - return false; - } - - public String getCharacterEncodingScheme() { - return null; - } - - public String getPITarget() { - return null; - } - - public String getPIData() { - return null; - } - - public boolean isDone() { - return state == END_ELEMENT_STATE; - } - - public void setParentNamespaceContext(NamespaceContext nsContext) { - this.namespaceContext.setParentNsContext(nsContext); - } - - public void init() { - // just add the current elements namespace and prefix to the this - // elements nscontext - addToNsMap(name.getPrefix(), name.getNamespaceURI()); - - } - - /** - * @param prefix - * @param uri - */ - private void addToNsMap(String prefix, String uri) { - // TODO - need to fix this up to cater for cases where - // namespaces are having no prefixes - if (!uri.equals(namespaceContext.getNamespaceURI(prefix))) { - // this namespace is not there. Need to declare it - namespaceContext.pushNamespace(prefix, uri); - nsDeclared = true; - } - } - -} diff --git a/branches/sca-java-2.0-M4/modules/common-xml/src/main/java/org/apache/tuscany/sca/common/xml/stax/reader/NamedProperty.java b/branches/sca-java-2.0-M4/modules/common-xml/src/main/java/org/apache/tuscany/sca/common/xml/stax/reader/NamedProperty.java deleted file mode 100644 index dc5954f541..0000000000 --- a/branches/sca-java-2.0-M4/modules/common-xml/src/main/java/org/apache/tuscany/sca/common/xml/stax/reader/NamedProperty.java +++ /dev/null @@ -1,59 +0,0 @@ -/* - * Licensed to the Apache Software Foundation (ASF) under one - * or more contributor license agreements. See the NOTICE file - * distributed with this work for additional information - * regarding copyright ownership. The ASF licenses this file - * to you under the Apache License, Version 2.0 (the - * "License"); you may not use this file except in compliance - * with the License. You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, - * software distributed under the License is distributed on an - * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY - * KIND, either express or implied. See the License for the - * specific language governing permissions and limitations - * under the License. - */ - -package org.apache.tuscany.sca.common.xml.stax.reader; - -import java.util.Map; - -import javax.xml.namespace.QName; - -/** - * A named property - * - * @version $Rev$ $Date$ - */ -public class NamedProperty implements Map.Entry<QName, Object> { - private QName key; - - private Object value; - - public NamedProperty(QName key, Object value) { - this.key = key; - this.value = value; - } - - public NamedProperty(String key, Object value) { - this.key = new QName(key); - this.value = value; - } - - public QName getKey() { - return key; - } - - public Object getValue() { - return value; - } - - public Object setValue(Object value) { - Object v = this.value; - this.value = value; - return v; - } -} diff --git a/branches/sca-java-2.0-M4/modules/common-xml/src/main/java/org/apache/tuscany/sca/common/xml/stax/reader/NamespaceContextImpl.java b/branches/sca-java-2.0-M4/modules/common-xml/src/main/java/org/apache/tuscany/sca/common/xml/stax/reader/NamespaceContextImpl.java deleted file mode 100644 index b35c6456e1..0000000000 --- a/branches/sca-java-2.0-M4/modules/common-xml/src/main/java/org/apache/tuscany/sca/common/xml/stax/reader/NamespaceContextImpl.java +++ /dev/null @@ -1,124 +0,0 @@ -/* - * Licensed to the Apache Software Foundation (ASF) under one - * or more contributor license agreements. See the NOTICE file - * distributed with this work for additional information - * regarding copyright ownership. The ASF licenses this file - * to you under the Apache License, Version 2.0 (the - * "License"); you may not use this file except in compliance - * with the License. You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, - * software distributed under the License is distributed on an - * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY - * KIND, either express or implied. See the License for the - * specific language governing permissions and limitations - * under the License. - */ - -package org.apache.tuscany.sca.common.xml.stax.reader; - -import java.util.ArrayList; -import java.util.HashMap; -import java.util.Iterator; -import java.util.List; -import java.util.Map; - -import javax.xml.namespace.NamespaceContext; - -public class NamespaceContextImpl implements NamespaceContext { - private NamespaceContext parent; - private Map<String, String> map = new HashMap<String, String>(); - - /** - * @param parent - */ - public NamespaceContextImpl(NamespaceContext parent) { - super(); - this.parent = parent; - if (parent == null) { - map.put("xml", "http://www.w3.org/XML/1998/namespace"); - map.put("xmlns", "http://www.w3.org/2000/xmlns/"); - } - } - - public String getNamespaceURI(String prefix) { - if (prefix == null) { - throw new IllegalArgumentException("Prefix is null"); - } - - String ns = (String)map.get(prefix); - if (ns != null) { - return ns; - } - if (parent != null) { - return parent.getNamespaceURI(prefix); - } - return null; - } - - public String getPrefix(String nsURI) { - if (nsURI == null) - throw new IllegalArgumentException("Namespace is null"); - for (Iterator<Map.Entry<String, String>> i = map.entrySet().iterator(); i.hasNext();) { - Map.Entry<String, String> entry = i.next(); - if (entry.getValue().equals(nsURI)) { - return entry.getKey(); - } - } - if (parent != null) { - return parent.getPrefix(nsURI); - } - return null; - } - - public Iterator getPrefixes(String nsURI) { - List<String> prefixList = new ArrayList<String>(); - for (Iterator<Map.Entry<String, String>> i = map.entrySet().iterator(); i.hasNext();) { - Map.Entry<String, String> entry = i.next(); - if (entry.getValue().equals(nsURI)) { - prefixList.add(entry.getKey()); - } - } - final Iterator<String> currentIterator = prefixList.iterator(); - final Iterator parentIterator = parent != null ? null : parent.getPrefixes(nsURI); - return new Iterator() { - - public boolean hasNext() { - return currentIterator.hasNext() || (parentIterator != null && parentIterator.hasNext()); - } - - public Object next() { - if (!hasNext()) { - throw new IllegalStateException("End of iterator has reached"); - } - return currentIterator.hasNext() ? currentIterator.next() : parentIterator.next(); - } - - public void remove() { - throw new UnsupportedOperationException(); - } - - }; - - } - - public void register(String prefix, String ns) { - map.put(prefix, ns); - } - - public NamespaceContext getParent() { - return parent; - } - - @Override - public String toString() { - StringBuffer sb = new StringBuffer(map.toString()); - if (parent != null) { - sb.append("\nParent: "); - sb.append(parent); - } - return sb.toString(); - } -} diff --git a/branches/sca-java-2.0-M4/modules/common-xml/src/main/java/org/apache/tuscany/sca/common/xml/stax/reader/NilElementStreamReader.java b/branches/sca-java-2.0-M4/modules/common-xml/src/main/java/org/apache/tuscany/sca/common/xml/stax/reader/NilElementStreamReader.java deleted file mode 100644 index cee70f64df..0000000000 --- a/branches/sca-java-2.0-M4/modules/common-xml/src/main/java/org/apache/tuscany/sca/common/xml/stax/reader/NilElementStreamReader.java +++ /dev/null @@ -1,279 +0,0 @@ -/* - * Licensed to the Apache Software Foundation (ASF) under one - * or more contributor license agreements. See the NOTICE file - * distributed with this work for additional information - * regarding copyright ownership. The ASF licenses this file - * to you under the Apache License, Version 2.0 (the - * "License"); you may not use this file except in compliance - * with the License. You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, - * software distributed under the License is distributed on an - * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY - * KIND, either express or implied. See the License for the - * specific language governing permissions and limitations - * under the License. - */ -package org.apache.tuscany.sca.common.xml.stax.reader; - -import javax.xml.namespace.NamespaceContext; -import javax.xml.namespace.QName; -import javax.xml.stream.Location; -import javax.xml.stream.XMLStreamException; - -public class NilElementStreamReader implements XMLFragmentStreamReader { - - private static final int END_ELEMENT_STATE = 2; - - private static final int START_ELEMENT_STATE = 1; - private int currentState = START_ELEMENT; - - private QName elementQName; - - public NilElementStreamReader(QName elementQName) { - this.elementQName = elementQName; - } - - public void setParentNamespaceContext(NamespaceContext nsContext) { - // NOOP - } - - public void close() throws XMLStreamException { - // do nothing - } - - public int getAttributeCount() { - return 1; - } - - public String getAttributeLocalName(int i) { - return (i == 0) ? NIL_QNAME.getLocalPart() : null; - } - - public QName getAttributeName(int i) { - return (i == 0) ? NIL_QNAME : null; - } - - public String getAttributeNamespace(int i) { - return (i == 0) ? NIL_QNAME.getNamespaceURI() : null; - } - - public String getAttributePrefix(int i) { - return (i == 0) ? NIL_QNAME.getPrefix() : null; - } - - public String getAttributeType(int i) { - throw new UnsupportedOperationException(); - } - - public String getAttributeValue(int i) { - return (i == 0) ? NIL_VALUE_TRUE : null; - } - - public String getAttributeValue(String string, String string1) { - if (string == null && NIL_QNAME.getLocalPart().equals(string1)) { - return NIL_VALUE_TRUE; - } - return null; - } - - public String getCharacterEncodingScheme() { - throw new UnsupportedOperationException(); - } - - public String getElementText() throws XMLStreamException { - return null; - } - - public String getEncoding() { - return null; - } - - public int getEventType() { - int returnEvent = START_DOCUMENT; - switch (currentState) { - case START_ELEMENT_STATE: - returnEvent = START_ELEMENT; - break; - case END_ELEMENT_STATE: - returnEvent = END_ELEMENT; - break; - } - return returnEvent; - } - - public String getLocalName() { - return elementQName.getLocalPart(); - } - - public Location getLocation() { - return new Location() { - public int getCharacterOffset() { - return 0; - } - - public int getColumnNumber() { - return 0; - } - - public int getLineNumber() { - return 0; - } - - public String getPublicId() { - return null; - } - - public String getSystemId() { - return null; - } - }; - } - - public QName getName() { - return elementQName; - } - - public NamespaceContext getNamespaceContext() { - throw new UnsupportedOperationException(); - } - - public int getNamespaceCount() { - return 0; - } - - public String getNamespacePrefix(int i) { - return null; - } - - public String getNamespaceURI() { - return elementQName.getNamespaceURI(); - } - - public String getNamespaceURI(int i) { - return null; - } - - public String getNamespaceURI(String string) { - if (elementQName.getPrefix() != null && elementQName.getPrefix().equals(string)) { - return elementQName.getNamespaceURI(); - } else { - return null; - } - } - - public String getPIData() { - throw new UnsupportedOperationException(); - } - - public String getPITarget() { - throw new UnsupportedOperationException(); - } - - public String getPrefix() { - return elementQName.getPrefix(); - } - - public Object getProperty(String key) throws IllegalArgumentException { - // since optimization is a global property - // we've to implement it everywhere - return null; - } - - public String getText() { - return null; - } - - public char[] getTextCharacters() { - return new char[0]; - } - - public int getTextCharacters(int i, char[] chars, int i1, int i2) throws XMLStreamException { - return 0; - } - - public int getTextLength() { - return 0; - } - - public int getTextStart() { - return 0; - } - - public String getVersion() { - throw new UnsupportedOperationException(); - } - - public boolean hasName() { - return true; - } - - public boolean hasNext() throws XMLStreamException { - return currentState != END_ELEMENT_STATE; - - } - - public boolean hasText() { - return false; - } - - public void init() { - // NOOP - } - - public boolean isAttributeSpecified(int i) { - return i == 0; - } - - public boolean isCharacters() { - return false; - } - - public boolean isDone() { - return currentState == END_ELEMENT_STATE; - } - - public boolean isEndElement() { - return currentState == END_ELEMENT_STATE; - } - - public boolean isStandalone() { - throw new UnsupportedOperationException(); - } - - public boolean isStartElement() { - return currentState == START_ELEMENT_STATE; - } - - public boolean isWhiteSpace() { - return false; - } - - public int next() throws XMLStreamException { - int returnEvent = START_DOCUMENT; - switch (currentState) { - case START_ELEMENT_STATE: - currentState = END_ELEMENT_STATE; - returnEvent = END_ELEMENT; - break; - case END_ELEMENT_STATE: - throw new XMLStreamException("parser completed!"); - - } - return returnEvent; - } - - public int nextTag() throws XMLStreamException { - throw new UnsupportedOperationException(); - } - - public void require(int i, String string, String string1) throws XMLStreamException { - // nothing - } - - public boolean standaloneSet() { - throw new UnsupportedOperationException(); - } -} diff --git a/branches/sca-java-2.0-M4/modules/common-xml/src/main/java/org/apache/tuscany/sca/common/xml/stax/reader/SimpleXmlNodeImpl.java b/branches/sca-java-2.0-M4/modules/common-xml/src/main/java/org/apache/tuscany/sca/common/xml/stax/reader/SimpleXmlNodeImpl.java deleted file mode 100644 index 30f388543c..0000000000 --- a/branches/sca-java-2.0-M4/modules/common-xml/src/main/java/org/apache/tuscany/sca/common/xml/stax/reader/SimpleXmlNodeImpl.java +++ /dev/null @@ -1,112 +0,0 @@ -/* - * Licensed to the Apache Software Foundation (ASF) under one - * or more contributor license agreements. See the NOTICE file - * distributed with this work for additional information - * regarding copyright ownership. The ASF licenses this file - * to you under the Apache License, Version 2.0 (the - * "License"); you may not use this file except in compliance - * with the License. You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, - * software distributed under the License is distributed on an - * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY - * KIND, either express or implied. See the License for the - * specific language governing permissions and limitations - * under the License. - */ - -package org.apache.tuscany.sca.common.xml.stax.reader; - -import java.util.Arrays; -import java.util.HashMap; -import java.util.Iterator; -import java.util.List; -import java.util.Map; - -import javax.xml.namespace.QName; - -/** - * @version $Rev$ $Date$ - */ -public class SimpleXmlNodeImpl implements XmlNode { - private static final String XSI_PREFIX = "xsi"; - private static final String XSI_NS = "http://www.w3.org/2001/XMLSchema-instance"; - private static final QName XSI_NIL = new QName(XSI_NS, "nil", XSI_PREFIX); - private static final Map<String, String> NS_MAP = new HashMap<String, String>(); - static { - NS_MAP.put(XSI_PREFIX, XSI_NS); - } - - protected Type type; - protected QName name; - protected Object value; - - public SimpleXmlNodeImpl(QName name, Object value) { - this(name, value, name != null ? Type.ELEMENT : Type.CHARACTERS); - } - - public SimpleXmlNodeImpl(QName name, Object value, Type type) { - super(); - this.type = type; - this.name = name; - this.value = value; - } - - /** - * @see org.apache.tuscany.sca.common.xml.stax.reader.databinding.xml.XmlNode#attributes() - */ - public List<XmlNode> attributes() { - if (type == Type.ELEMENT && value == null) { - // Nil element - XmlNode attr = new SimpleXmlNodeImpl(XSI_NIL, "true"); - return Arrays.asList(attr); - } - return null; - } - - /** - * @see org.apache.tuscany.sca.common.xml.stax.reader.databinding.xml.XmlNode#children() - */ - public Iterator<XmlNode> children() { - if (type == Type.ELEMENT && value != null) { - // Nil element - XmlNode node = new SimpleXmlNodeImpl(null, value); - return Arrays.asList(node).iterator(); - } - return null; - } - - /** - * @see org.apache.tuscany.sca.common.xml.stax.reader.databinding.xml.XmlNode#getName() - */ - public QName getName() { - return name; - } - - /** - * @see org.apache.tuscany.sca.common.xml.stax.reader.databinding.xml.XmlNode#getValue() - */ - public String getValue() { - return value == null ? null : String.valueOf(value); - } - - /** - * @see org.apache.tuscany.sca.common.xml.stax.reader.databinding.xml.XmlNode#namespaces() - */ - public Map<String, String> namespaces() { - if (type == Type.ELEMENT && value == null) { - return NS_MAP; - } - return null; - } - - public Type getType() { - return type; - } - - public void setType(Type type) { - this.type = type; - } -} diff --git a/branches/sca-java-2.0-M4/modules/common-xml/src/main/java/org/apache/tuscany/sca/common/xml/stax/reader/WrappingXMLStreamReader.java b/branches/sca-java-2.0-M4/modules/common-xml/src/main/java/org/apache/tuscany/sca/common/xml/stax/reader/WrappingXMLStreamReader.java deleted file mode 100644 index 896f4b5b71..0000000000 --- a/branches/sca-java-2.0-M4/modules/common-xml/src/main/java/org/apache/tuscany/sca/common/xml/stax/reader/WrappingXMLStreamReader.java +++ /dev/null @@ -1,100 +0,0 @@ -/* - * Licensed to the Apache Software Foundation (ASF) under one - * or more contributor license agreements. See the NOTICE file - * distributed with this work for additional information - * regarding copyright ownership. The ASF licenses this file - * to you under the Apache License, Version 2.0 (the - * "License"); you may not use this file except in compliance - * with the License. You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, - * software distributed under the License is distributed on an - * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY - * KIND, either express or implied. See the License for the - * specific language governing permissions and limitations - * under the License. - */ -package org.apache.tuscany.sca.common.xml.stax.reader; - -import javax.xml.namespace.NamespaceContext; -import javax.xml.stream.XMLStreamException; -import javax.xml.stream.XMLStreamReader; -import javax.xml.stream.util.StreamReaderDelegate; - -public class WrappingXMLStreamReader extends StreamReaderDelegate implements XMLFragmentStreamReader { - - private boolean done; - private int level; - - public WrappingXMLStreamReader(XMLStreamReader realReader) throws XMLStreamException { - super(realReader); - if (realReader == null) { - throw new UnsupportedOperationException("Reader cannot be null"); - } - - if (realReader instanceof XMLFragmentStreamReader) { - ((XMLFragmentStreamReader)realReader).init(); - } - - if (realReader.getEventType() == START_DOCUMENT) { - // Position to the 1st element - realReader.nextTag(); - } - if (realReader.getEventType() != START_ELEMENT) { - throw new IllegalStateException("The reader is not positioned at START_DOCUMENT or START_ELEMENT"); - } - this.done = false; - this.level = 1; - } - - @Override - public boolean hasNext() throws XMLStreamException { - return !done && super.hasNext(); - } - - @Override - public int next() throws XMLStreamException { - if (!hasNext()) { - throw new IllegalStateException("No more events"); - } - int event = super.next(); - if (!super.hasNext()) { - done = true; - } - if (event == START_ELEMENT) { - level++; - } else if (event == END_ELEMENT) { - level--; - if (level == 0) { - done = true; - } - } - return event; - } - - @Override - public int nextTag() throws XMLStreamException { - int event = 0; - while (true) { - event = next(); - if (event == START_ELEMENT || event == END_ELEMENT) { - return event; - } - } - } - - public void setParentNamespaceContext(NamespaceContext nsContext) { - // nothing to do here - } - - public void init() { - // Nothing to do here - } - - public boolean isDone() { - return done; - } - -} diff --git a/branches/sca-java-2.0-M4/modules/common-xml/src/main/java/org/apache/tuscany/sca/common/xml/stax/reader/XMLDocumentStreamReader.java b/branches/sca-java-2.0-M4/modules/common-xml/src/main/java/org/apache/tuscany/sca/common/xml/stax/reader/XMLDocumentStreamReader.java deleted file mode 100644 index a020a8a61e..0000000000 --- a/branches/sca-java-2.0-M4/modules/common-xml/src/main/java/org/apache/tuscany/sca/common/xml/stax/reader/XMLDocumentStreamReader.java +++ /dev/null @@ -1,482 +0,0 @@ -/* - * Licensed to the Apache Software Foundation (ASF) under one - * or more contributor license agreements. See the NOTICE file - * distributed with this work for additional information - * regarding copyright ownership. The ASF licenses this file - * to you under the Apache License, Version 2.0 (the - * "License"); you may not use this file except in compliance - * with the License. You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, - * software distributed under the License is distributed on an - * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY - * KIND, either express or implied. See the License for the - * specific language governing permissions and limitations - * under the License. - */ - -package org.apache.tuscany.sca.common.xml.stax.reader; - -import java.util.NoSuchElementException; - -import javax.xml.namespace.NamespaceContext; -import javax.xml.namespace.QName; -import javax.xml.stream.Location; -import javax.xml.stream.XMLStreamException; -import javax.xml.stream.XMLStreamReader; - -/** - * This class is derived from Apache Axis2 class - * org.apache.axis2.util.StreamWrapper</a>. It's used wrap a XMLStreamReader to - * create a XMLStreamReader representing a document and it will produce - * START_DOCUMENT, END_DOCUMENT events. - * - * @version $Rev$ $Date$ - */ -public class XMLDocumentStreamReader implements XMLStreamReader { - private static final int STATE_COMPLETE_AT_NEXT = 2; // The wrapper - // will produce - // END_DOCUMENT - - private static final int STATE_COMPLETED = 3; // Done - - private static final int STATE_INIT = 0; // The wrapper will produce - // START_DOCUMENT - - private static final int STATE_SWITCHED = 1; // The real reader will - // produce events - - private XMLStreamReader realReader; - private boolean fragment; - private int level = 1; - - private int state = STATE_INIT; - - public XMLDocumentStreamReader(XMLStreamReader realReader) { - if (realReader == null) { - throw new UnsupportedOperationException("Reader cannot be null"); - } - - this.realReader = realReader; - - if (realReader instanceof XMLFragmentStreamReader) { - ((XMLFragmentStreamReader)realReader).init(); - } - - // If the real reader is positioned at START_DOCUMENT, always use - // the real reader - if (realReader.getEventType() == START_DOCUMENT) { - fragment = false; - state = STATE_SWITCHED; - } - } - - public void close() throws XMLStreamException { - realReader.close(); - } - - public int getAttributeCount() { - if (isDelegating()) { - return realReader.getAttributeCount(); - } else { - throw new IllegalStateException(); - } - } - - public String getAttributeLocalName(int i) { - if (isDelegating()) { - return realReader.getAttributeLocalName(i); - } else { - throw new IllegalStateException(); - } - } - - public QName getAttributeName(int i) { - if (isDelegating()) { - return realReader.getAttributeName(i); - } else { - throw new IllegalStateException(); - } - } - - public String getAttributeNamespace(int i) { - if (isDelegating()) { - return realReader.getAttributeNamespace(i); - } else { - throw new IllegalStateException(); - } - } - - public String getAttributePrefix(int i) { - if (isDelegating()) { - return realReader.getAttributePrefix(i); - } else { - throw new IllegalStateException(); - } - } - - public String getAttributeType(int i) { - if (isDelegating()) { - return realReader.getAttributeType(i); - } else { - throw new IllegalStateException(); - } - } - - public String getAttributeValue(int i) { - if (isDelegating()) { - return realReader.getAttributeValue(i); - } else { - throw new IllegalStateException(); - } - } - - public String getAttributeValue(String s, String s1) { - if (isDelegating()) { - return realReader.getAttributeValue(s, s1); - } else { - throw new IllegalStateException(); - } - } - - public String getCharacterEncodingScheme() { - return realReader.getCharacterEncodingScheme(); - } - - public String getElementText() throws XMLStreamException { - if (isDelegating()) { - return realReader.getElementText(); - } else { - throw new XMLStreamException(); - } - } - - public String getEncoding() { - return realReader.getEncoding(); - } - - public int getEventType() { - int event = -1; - switch (state) { - case STATE_SWITCHED: - case STATE_COMPLETE_AT_NEXT: - event = realReader.getEventType(); - break; - case STATE_INIT: - event = START_DOCUMENT; - break; - case STATE_COMPLETED: - event = END_DOCUMENT; - break; - } - return event; - } - - public String getLocalName() { - if (isDelegating()) { - return realReader.getLocalName(); - } else { - throw new IllegalStateException(); - } - } - - public Location getLocation() { - if (isDelegating()) { - return realReader.getLocation(); - } else { - return null; - } - } - - public QName getName() { - if (isDelegating()) { - return realReader.getName(); - } else { - throw new IllegalStateException(); - } - } - - public NamespaceContext getNamespaceContext() { - return realReader.getNamespaceContext(); - } - - public int getNamespaceCount() { - if (isDelegating()) { - return realReader.getNamespaceCount(); - } else { - throw new IllegalStateException(); - } - } - - public String getNamespacePrefix(int i) { - if (isDelegating()) { - return realReader.getNamespacePrefix(i); - } else { - throw new IllegalStateException(); - } - } - - public String getNamespaceURI() { - if (isDelegating()) { - return realReader.getNamespaceURI(); - } else { - throw new IllegalStateException(); - } - } - - public String getNamespaceURI(int i) { - if (isDelegating()) { - return realReader.getNamespaceURI(i); - } else { - throw new IllegalStateException(); - } - } - - public String getNamespaceURI(String s) { - if (isDelegating()) { - return realReader.getNamespaceURI(s); - } else { - throw new IllegalStateException(); - } - } - - public String getPIData() { - if (isDelegating()) { - return realReader.getPIData(); - } else { - throw new IllegalStateException(); - } - } - - public String getPITarget() { - if (isDelegating()) { - return realReader.getPITarget(); - } else { - throw new IllegalStateException(); - } - } - - public String getPrefix() { - if (isDelegating()) { - return realReader.getPrefix(); - } else { - throw new IllegalStateException(); - } - } - - public Object getProperty(String s) throws IllegalArgumentException { - if (isDelegating()) { - return realReader.getProperty(s); - } else { - throw new IllegalArgumentException(); - } - } - - public String getText() { - if (isDelegating()) { - return realReader.getText(); - } else { - throw new IllegalStateException(); - } - } - - public char[] getTextCharacters() { - if (isDelegating()) { - return realReader.getTextCharacters(); - } else { - throw new IllegalStateException(); - } - } - - public int getTextCharacters(int i, char[] chars, int i1, int i2) throws XMLStreamException { - if (isDelegating()) { - return realReader.getTextCharacters(i, chars, i1, i2); - } else { - throw new IllegalStateException(); - } - } - - public int getTextLength() { - if (isDelegating()) { - return realReader.getTextLength(); - } else { - throw new IllegalStateException(); - } - } - - public int getTextStart() { - if (isDelegating()) { - return realReader.getTextStart(); - } else { - throw new IllegalStateException(); - } - } - - public String getVersion() { - if (isDelegating()) { - return realReader.getVersion(); - } else { - return null; - } - } - - public boolean hasName() { - if (isDelegating()) { - return realReader.hasName(); - } else { - return false; - } - } - - public boolean hasNext() throws XMLStreamException { - if (state == STATE_COMPLETE_AT_NEXT) { - return true; - } else if (state == STATE_COMPLETED) { - return false; - } else if (state == STATE_SWITCHED) { - return realReader.hasNext(); - } else { - return true; - } - } - - public boolean hasText() { - if (isDelegating()) { - return realReader.hasText(); - } else { - return false; - } - } - - public boolean isAttributeSpecified(int i) { - if (isDelegating()) { - return realReader.isAttributeSpecified(i); - } else { - return false; - } - } - - public boolean isCharacters() { - if (isDelegating()) { - return realReader.isCharacters(); - } else { - return false; - } - } - - private boolean isDelegating() { - return state == STATE_SWITCHED || state == STATE_COMPLETE_AT_NEXT; - } - - public boolean isEndElement() { - if (isDelegating()) { - return realReader.isEndElement(); - } else { - return false; - } - } - - public boolean isStandalone() { - if (isDelegating()) { - return realReader.isStandalone(); - } else { - return false; - } - } - - public boolean isStartElement() { - if (isDelegating()) { - return realReader.isStartElement(); - } else { - return false; - } - } - - public boolean isWhiteSpace() { - if (isDelegating()) { - return realReader.isWhiteSpace(); - } else { - return false; - } - } - - public int next() throws XMLStreamException { - int returnEvent; - - switch (state) { - case STATE_SWITCHED: - returnEvent = realReader.next(); - if (returnEvent == END_DOCUMENT) { - state = STATE_COMPLETED; - } else if (!realReader.hasNext()) { - state = STATE_COMPLETE_AT_NEXT; - } - if (fragment && returnEvent == END_ELEMENT) { - level--; - if (level == 0) { - // We are now at the end of the top-level element in the fragment - state = STATE_COMPLETE_AT_NEXT; - } - } - if (fragment && returnEvent == START_ELEMENT) { - level++; - } - break; - case STATE_INIT: - state = STATE_SWITCHED; - returnEvent = realReader.getEventType(); - if (returnEvent == START_ELEMENT) { - // The real reader is positioned at the top-level element in the fragment - level = 0; - fragment = true; - } - break; - case STATE_COMPLETE_AT_NEXT: - state = STATE_COMPLETED; - returnEvent = END_DOCUMENT; - break; - case STATE_COMPLETED: - // oops - no way we can go beyond this - throw new NoSuchElementException("End of stream has reached."); - default: - throw new UnsupportedOperationException(); - } - - return returnEvent; - } - - public int nextTag() throws XMLStreamException { - if (isDelegating()) { - int returnEvent = realReader.nextTag(); - if (fragment && returnEvent == END_ELEMENT) { - level--; - if (level == 0) { - // We are now at the end of the top-level element in the fragment - state = STATE_COMPLETE_AT_NEXT; - } - } - if (fragment && returnEvent == START_ELEMENT) { - level++; - } - return returnEvent; - } else { - throw new XMLStreamException(); - } - } - - public void require(int i, String s, String s1) throws XMLStreamException { - if (isDelegating()) { - realReader.require(i, s, s1); - } - } - - public boolean standaloneSet() { - if (isDelegating()) { - return realReader.standaloneSet(); - } else { - return false; - } - } -} diff --git a/branches/sca-java-2.0-M4/modules/common-xml/src/main/java/org/apache/tuscany/sca/common/xml/stax/reader/XMLFragmentStreamReader.java b/branches/sca-java-2.0-M4/modules/common-xml/src/main/java/org/apache/tuscany/sca/common/xml/stax/reader/XMLFragmentStreamReader.java deleted file mode 100644 index 95ede0a840..0000000000 --- a/branches/sca-java-2.0-M4/modules/common-xml/src/main/java/org/apache/tuscany/sca/common/xml/stax/reader/XMLFragmentStreamReader.java +++ /dev/null @@ -1,53 +0,0 @@ -/* - * Licensed to the Apache Software Foundation (ASF) under one - * or more contributor license agreements. See the NOTICE file - * distributed with this work for additional information - * regarding copyright ownership. The ASF licenses this file - * to you under the Apache License, Version 2.0 (the - * "License"); you may not use this file except in compliance - * with the License. You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, - * software distributed under the License is distributed on an - * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY - * KIND, either express or implied. See the License for the - * specific language governing permissions and limitations - * under the License. - */ -package org.apache.tuscany.sca.common.xml.stax.reader; - -import javax.xml.namespace.NamespaceContext; -import javax.xml.namespace.QName; -import javax.xml.stream.XMLStreamReader; - -public interface XMLFragmentStreamReader extends XMLStreamReader { - QName NIL_QNAME = new QName("http://www.w3.org/2001/XMLSchema-instance", "nil", "xsi"); - String NIL_VALUE_TRUE = "true"; - - /** - * this will help to handle Text within the current element. user should - * pass the element text to the property list as this ELEMENT_TEXT as the - * key. This key deliberately has a space in it so that it is not a valid - * XML name - */ - String ELEMENT_TEXT = "Element Text"; - - /** - * Extra method to query the state of the pullparser - */ - boolean isDone(); - - /** - * add the parent namespace context to this parser - */ - void setParentNamespaceContext(NamespaceContext nsContext); - - /** - * Initiate the parser - this will do whatever the needed tasks to initiate - * the parser and must be called before attempting any specific parsing - * using this parser - */ - void init(); -} diff --git a/branches/sca-java-2.0-M4/modules/common-xml/src/main/java/org/apache/tuscany/sca/common/xml/stax/reader/XMLFragmentStreamReaderImpl.java b/branches/sca-java-2.0-M4/modules/common-xml/src/main/java/org/apache/tuscany/sca/common/xml/stax/reader/XMLFragmentStreamReaderImpl.java deleted file mode 100644 index 4fd70bea67..0000000000 --- a/branches/sca-java-2.0-M4/modules/common-xml/src/main/java/org/apache/tuscany/sca/common/xml/stax/reader/XMLFragmentStreamReaderImpl.java +++ /dev/null @@ -1,858 +0,0 @@ -/* - * Licensed to the Apache Software Foundation (ASF) under one - * or more contributor license agreements. See the NOTICE file - * distributed with this work for additional information - * regarding copyright ownership. The ASF licenses this file - * to you under the Apache License, Version 2.0 (the - * "License"); you may not use this file except in compliance - * with the License. You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, - * software distributed under the License is distributed on an - * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY - * KIND, either express or implied. See the License for the - * specific language governing permissions and limitations - * under the License. - */ -package org.apache.tuscany.sca.common.xml.stax.reader; - -import java.util.Arrays; -import java.util.HashMap; -import java.util.Map; - -import javax.xml.namespace.NamespaceContext; -import javax.xml.namespace.QName; -import javax.xml.stream.Location; -import javax.xml.stream.XMLStreamException; -import javax.xml.stream.XMLStreamReader; - - -/** - * This is the new implementation of the XMLFramentStreamReader. The approach - * here is simple When the pull parser needs to generate events for a particular - * name-value(s) pair it always hands over (delegates) the task to another pull - * parser which knows how to deal with it The common types of name value pairs - * we'll come across are - * <ul> - * <li> String name/QName name - String value - * <li> String name/QName name - String[] value - * <li> QName name/String name - XMLStreamReader value - * <li> QName name/String name - XMLStreamable value - * <li> QName name/String name - Java bean - * <li> QName name/String name - Datahandler - * - * </ul> - * <p/> As for the attributes, these are the possible combinations in the array - * <ul> - * <li> String name/QName name - String value - * </ul> - * Note that certain array methods have been deliberately removed to avoid - * complications. The generated code will take the trouble to lay the elements - * of the array in the correct order <p/> <p/> Hence there will be a parser impl - * that knows how to handle these types, and this parent parser will always - * delegate these tasks to the child pullparasers in effect this is one huge - * state machine that has only a few states and delegates things down to the - * child parsers whenever possible <p/> - * - * @version $Rev$ $Date$ - */ -public class XMLFragmentStreamReaderImpl implements XMLFragmentStreamReader { - - private static final int DELEGATED_STATE = 2; - private static final int END_ELEMENT_STATE = 1; - // states for this pullparser - it can only have four states - private static final int START_ELEMENT_STATE = 0; - private static final int TEXT_STATE = 3; - - protected NamedProperty[] attributes; - - // reference to the child reader - protected XMLFragmentStreamReader childReader; - // current property index - // initialized at zero - protected int index; - protected Map<String, String> declaredNamespaceMap = new HashMap<String, String>(); - protected QName elementQName; - - // we always create a new namespace context - protected DelegatingNamespaceContext namespaceContext = new DelegatingNamespaceContext(); - - protected NamedProperty[] elements; - - // integer field that keeps the state of this - // parser. - protected int state = START_ELEMENT_STATE; - - /* - * we need to pass in a namespace context since when delegated, we've no - * idea of the current namespace context. So it needs to be passed on here! - */ - public XMLFragmentStreamReaderImpl(QName elementQName, NamedProperty[] elements, NamedProperty[] attributes) { - // validate the lengths, since both the arrays are supposed - // to have - this.elements = elements == null ? new NamedProperty[0] : elements; - this.elementQName = elementQName; - this.attributes = attributes == null ? new NamedProperty[0] : attributes; - } - - protected XMLFragmentStreamReaderImpl(QName elementQName) { - this.elementQName = elementQName; - } - - /** - * add the namespace context - */ - - public void setParentNamespaceContext(NamespaceContext nsContext) { - // register the namespace context passed in to this - this.namespaceContext.setParentNsContext(nsContext); - - } - - protected NamedProperty[] getElements() { - return elements; - } - - protected NamedProperty[] getAttributes() { - return attributes; - } - - protected QName[] getNamespaces() { - return new QName[0]; - } - - /** - * @param prefix - * @param uri - */ - protected void addToNsMap(String prefix, String uri) { - if (!uri.equals(namespaceContext.getNamespaceURI(prefix))) { - namespaceContext.pushNamespace(prefix, uri); - declaredNamespaceMap.put(prefix, uri); - } - } - - public void close() throws XMLStreamException { - // do nothing here - we have no resources to free - } - - public int getAttributeCount() { - return (state == DELEGATED_STATE) ? childReader.getAttributeCount() : (state == START_ELEMENT_STATE - ? getAttributes().length : 0); - } - - public String getAttributeLocalName(int i) { - if (state == DELEGATED_STATE) { - return childReader.getAttributeLocalName(i); - } else if (state == START_ELEMENT_STATE) { - QName name = getAttributeName(i); - if (name == null) { - return null; - } else { - return name.getLocalPart(); - } - } else { - throw new IllegalStateException(); - } - } - - /** - * @param i - */ - public QName getAttributeName(int i) { - if (state == DELEGATED_STATE) { - return childReader.getAttributeName(i); - } else if (state == START_ELEMENT_STATE) { - if ((i >= (getAttributes().length)) || i < 0) { // out of range - return null; - } else { - // get the attribute pointer - QName attribPointer = getAttributes()[i].getKey(); - // case one - attrib name is null - // this should be the pointer to the OMAttribute then - if (attribPointer == null) { - throw new UnsupportedOperationException(); - } else if (attribPointer instanceof QName) { - return attribPointer; - } else { - return null; - } - } - } else { - throw new IllegalStateException(); // as per the API contract - } - - } - - public String getAttributeNamespace(int i) { - if (state == DELEGATED_STATE) { - return childReader.getAttributeNamespace(i); - } else if (state == START_ELEMENT_STATE) { - QName name = getAttributeName(i); - if (name == null) { - return null; - } else { - return name.getNamespaceURI(); - } - } else { - throw new IllegalStateException(); - } - } - - public String getAttributePrefix(int i) { - if (state == DELEGATED_STATE) { - return childReader.getAttributePrefix(i); - } else if (state == START_ELEMENT_STATE) { - QName name = getAttributeName(i); - if (name == null) { - return null; - } else { - return name.getPrefix(); - } - } else { - throw new IllegalStateException(); - } - } - - public String getAttributeType(int i) { - return null; // not supported - } - - public String getAttributeValue(int i) { - if (state == DELEGATED_STATE) { - return childReader.getAttributeValue(i); - } else if (state == START_ELEMENT_STATE) { - if ((i >= (getAttributes().length)) || i < 0) { // out of range - return null; - } else { - // get the attribute pointer - QName attribPointer = getAttributes()[i].getKey(); - Object omAttribObj = getAttributes()[i].getValue(); - // case one - attrib name is null - // this should be the pointer to the OMAttribute then - if (attribPointer == null) { - throw new UnsupportedOperationException(); - } else if (attribPointer instanceof QName) { - return (String)omAttribObj; - } else { - return null; - } - } - } else { - throw new IllegalStateException(); - } - - } - - public String getAttributeValue(String nsUri, String localName) { - - int attribCount = getAttributeCount(); - String returnValue = null; - QName attribQualifiedName; - for (int i = 0; i < attribCount; i++) { - attribQualifiedName = getAttributeName(i); - if (nsUri == null) { - if (localName.equals(attribQualifiedName.getLocalPart())) { - returnValue = getAttributeValue(i); - break; - } - } else { - if (localName.equals(attribQualifiedName.getLocalPart()) && nsUri.equals(attribQualifiedName - .getNamespaceURI())) { - returnValue = getAttributeValue(i); - break; - } - } - - } - - return returnValue; - } - - public String getCharacterEncodingScheme() { - return null; // TODO - should we return something for this ? - } - - /** - * TODO implement the right contract for this - * - * @throws XMLStreamException - */ - public String getElementText() throws XMLStreamException { - if (state == DELEGATED_STATE) { - return childReader.getElementText(); - } else { - return null; - } - - } - - // ///////////////////////////////////////////////////////////////////////// - // / attribute handling - // ///////////////////////////////////////////////////////////////////////// - - public String getEncoding() { - if (state == DELEGATED_STATE) { - return childReader.getEncoding(); - } else { - // we've no idea what the encoding is going to be in this case - // perhaps we ought to return some constant here, which the user - // might - // have access to change! - return null; - } - } - - public int getEventType() { - if (state == START_ELEMENT_STATE) { - return START_ELEMENT; - } else if (state == END_ELEMENT_STATE) { - return END_ELEMENT; - } else if (state == TEXT_STATE) { - return CHARACTERS; - } else { // this is the delegated state - return childReader.getEventType(); - } - } - - public String getLocalName() { - if (state == DELEGATED_STATE) { - return childReader.getLocalName(); - } else if (state != TEXT_STATE) { - return elementQName.getLocalPart(); - } else { - throw new IllegalStateException(); - } - } - - /** - */ - public Location getLocation() { - // return a default location - return new Location() { - public int getCharacterOffset() { - return 0; - } - - public int getColumnNumber() { - return 0; - } - - public int getLineNumber() { - return 0; - } - - public String getPublicId() { - return null; - } - - public String getSystemId() { - return null; - } - }; - } - - public QName getName() { - if (state == DELEGATED_STATE) { - return childReader.getName(); - } else if (state != TEXT_STATE) { - return elementQName; - } else { - throw new IllegalStateException(); - } - - } - - public NamespaceContext getNamespaceContext() { - if (state == DELEGATED_STATE) { - return childReader.getNamespaceContext(); - } else { - return namespaceContext; - } - - } - - public int getNamespaceCount() { - if (state == DELEGATED_STATE) { - return childReader.getNamespaceCount(); - } else { - return declaredNamespaceMap.size(); - } - } - - /** - * @param i - */ - public String getNamespacePrefix(int i) { - if (state == DELEGATED_STATE) { - return childReader.getNamespacePrefix(i); - } else if (state != TEXT_STATE) { - // order the prefixes - String[] prefixes = makePrefixArray(); - if ((i >= prefixes.length) || (i < 0)) { - return null; - } else { - return prefixes[i]; - } - - } else { - throw new IllegalStateException(); - } - - } - - public String getNamespaceURI() { - if (state == DELEGATED_STATE) { - return childReader.getNamespaceURI(); - } else if (state == TEXT_STATE) { - return null; - } else { - return elementQName.getNamespaceURI(); - } - } - - // ///////////////////////////////////////////////////////////////////////// - // //////////// end of attribute handling - // ///////////////////////////////////////////////////////////////////////// - - // ////////////////////////////////////////////////////////////////////////// - // //////////// namespace handling - // ////////////////////////////////////////////////////////////////////////// - - public String getNamespaceURI(int i) { - if (state == DELEGATED_STATE) { - return childReader.getNamespaceURI(i); - } else if (state != TEXT_STATE) { - String namespacePrefix = getNamespacePrefix(i); - return namespacePrefix == null ? null : (String)declaredNamespaceMap.get(namespacePrefix); - } else { - throw new IllegalStateException(); - } - - } - - public String getNamespaceURI(String prefix) { - return namespaceContext.getNamespaceURI(prefix); - } - - public String getPIData() { - throw new UnsupportedOperationException("Yet to be implemented !!"); - } - - public String getPITarget() { - throw new UnsupportedOperationException("Yet to be implemented !!"); - } - - public String getPrefix() { - if (state == DELEGATED_STATE) { - return childReader.getPrefix(); - } else if (state == TEXT_STATE) { - return null; - } else { - String prefix = elementQName.getPrefix(); - return "".equals(prefix) ? null : prefix; - } - } - - // ///////////////////////////////////////////////////////////////////////// - // /////// end of namespace handling - // ///////////////////////////////////////////////////////////////////////// - - /** - * @param key - * @throws IllegalArgumentException - */ - public Object getProperty(String key) throws IllegalArgumentException { - if (state == START_ELEMENT_STATE || state == END_ELEMENT_STATE) { - return null; - } else if (state == TEXT_STATE) { - return null; - } else if (state == DELEGATED_STATE) { - return childReader.getProperty(key); - } else { - return null; - } - - } - - public String getText() { - if (state == DELEGATED_STATE) { - return childReader.getText(); - } else if (state == TEXT_STATE) { - return (String)getElements()[index - 1].getValue(); - } else { - throw new IllegalStateException(); - } - } - - public char[] getTextCharacters() { - if (state == DELEGATED_STATE) { - return childReader.getTextCharacters(); - } else if (state == TEXT_STATE) { - return getElements()[index - 1].getValue() == null ? new char[0] : ((String)getElements()[index - 1] - .getValue()).toCharArray(); - } else { - throw new IllegalStateException(); - } - } - - private int copy(int sourceStart, char[] target, int targetStart, int length) { - char[] source = getTextCharacters(); - if (sourceStart > source.length) { - throw new IndexOutOfBoundsException("source start > source length"); - } - int sourceLen = source.length - sourceStart; - if (length > sourceLen) { - length = sourceLen; - } - System.arraycopy(source, sourceStart, target, targetStart, length); - return sourceLen; - } - - public int getTextCharacters(int i, char[] chars, int i1, int i2) throws XMLStreamException { - if (state == DELEGATED_STATE) { - return childReader.getTextCharacters(i, chars, i1, i2); - } else if (state == TEXT_STATE) { - return copy(i, chars, i1, i2); - } else { - throw new IllegalStateException(); - } - } - - public int getTextLength() { - if (state == DELEGATED_STATE) { - return childReader.getTextLength(); - } else if (state == TEXT_STATE) { - return getTextCharacters().length; - } else { - throw new IllegalStateException(); - } - } - - public int getTextStart() { - if (state == DELEGATED_STATE) { - return childReader.getTextStart(); - } else if (state == TEXT_STATE) { - return 0; // assume text always starts at 0 - } else { - throw new IllegalStateException(); - } - } - - public String getVersion() { - return null; - } - - public boolean hasName() { - // since this parser always has a name, the hasName - // has to return true if we are still navigating this element - // if not we should ask the child reader for it. - if (state == DELEGATED_STATE) { - return childReader.hasName(); - } else { - return state != TEXT_STATE; - } - } - - /** - * @throws XMLStreamException - */ - public boolean hasNext() throws XMLStreamException { - if (state == DELEGATED_STATE) { - if (childReader.isDone()) { - // the child reader is done. We shouldn't be getting the - // hasNext result from the child pullparser then - return true; - } else { - return childReader.hasNext(); - } - } else { - return state == START_ELEMENT_STATE || state == TEXT_STATE; - - } - } - - /** - * check the validity of this implementation - */ - public boolean hasText() { - if (state == DELEGATED_STATE) { - return childReader.hasText(); - } else { - return state == TEXT_STATE; - } - - } - - /** - * we need to split out the calling to the populate namespaces separately - * since this needs to be done *after* setting the parent namespace context. - * We cannot assume it will happen at construction! - */ - public void init() { - // here we have an extra issue to attend to. we need to look at the - // prefixes and URIs (the combination) and populate a HashMap of - // namespaces. The HashMap of namespaces will be used to serve the - // namespace context - - populateNamespaceContext(); - } - - public boolean isAttributeSpecified(int i) { - return false; // not supported - } - - public boolean isCharacters() { - if (state == START_ELEMENT_STATE || state == END_ELEMENT_STATE) { - return false; - } - return childReader.isCharacters(); - } - - /** - * are we done ? - */ - public boolean isDone() { - return state == END_ELEMENT_STATE; - } - - public boolean isEndElement() { - if (state == START_ELEMENT_STATE) { - return false; - } else if (state == END_ELEMENT_STATE) { - return true; - } - return childReader.isEndElement(); - } - - public boolean isStandalone() { - return true; - } - - public boolean isStartElement() { - if (state == START_ELEMENT_STATE) { - return true; - } else if (state == END_ELEMENT_STATE) { - return false; - } - return childReader.isStartElement(); - } - - public boolean isWhiteSpace() { - if (state == START_ELEMENT_STATE || state == END_ELEMENT_STATE) { - return false; - } - return childReader.isWhiteSpace(); - } - - /** - * Get the prefix list from the HashTable and take that into an array - */ - private String[] makePrefixArray() { - String[] prefixes = declaredNamespaceMap.keySet().toArray(new String[declaredNamespaceMap.size()]); - Arrays.sort(prefixes); - return prefixes; - } - - /** - * By far this should be the most important method in this class this method - * changes the state of the parser - */ - public int next() throws XMLStreamException { - int returnEvent = -1; // invalid state is the default state - switch (state) { - case START_ELEMENT_STATE: - // current element is start element. We should be looking at the - // property list and making a pullparser for the property value - if (getElements() == null || getElements().length == 0) { - // no properties - move to the end element state - // straight away - state = END_ELEMENT_STATE; - returnEvent = END_ELEMENT; - } else { - // there are properties. now we should delegate this task to - // a - // child reader depending on the property type - returnEvent = processProperties(); - - } - break; - case END_ELEMENT_STATE: - // we've reached the end element already. If the user tries to - // push - // further ahead then it is an exception - throw new XMLStreamException("Trying to go beyond the end of the pullparser"); - - case DELEGATED_STATE: - if (childReader.isDone()) { - // we've reached the end! - if (index > (getElements().length - 1)) { - state = END_ELEMENT_STATE; - returnEvent = END_ELEMENT; - } else { - returnEvent = processProperties(); - } - } else { - returnEvent = childReader.next(); - } - break; - - case TEXT_STATE: - // if there are any more event we should be delegating to - // processProperties. if not we just return an end element - if (index > (getElements().length - 1)) { - state = END_ELEMENT_STATE; - returnEvent = END_ELEMENT; - } else { - returnEvent = processProperties(); - } - break; - } - return returnEvent; - } - - // ///////////////////////////////////////////////////////////////////////// - // / Other utility methods - // //////////////////////////////////////////////////////////////////////// - - /** - * TODO implement this - * - * @throws XMLStreamException - */ - public int nextTag() throws XMLStreamException { - return 0; - } - - /** - * Populates a namespace context - */ - private void populateNamespaceContext() { - - // first add the current element namespace to the namespace context - // declare it if not found - addToNsMap(elementQName.getPrefix(), elementQName.getNamespaceURI()); - - for (QName n : getNamespaces()) { - addToNsMap(n.getPrefix(), n.getNamespaceURI()); - } - - // traverse through the attributes and populate the namespace context - // the attrib list can be of many combinations - // the valid combinations are - // String - String - // QName - QName - // null - OMAttribute - - for (int i = 0; i < getAttributes().length; i++) { // jump in two - QName attrQName = getAttributes()[i].getKey(); - if (!"".equals(attrQName.getNamespaceURI())) { - addToNsMap(attrQName.getPrefix(), attrQName.getNamespaceURI()); - } - } - } - - /** - * A convenient method to reuse the properties - * - * @return event to be thrown - * @throws XMLStreamException - */ - private int processProperties() throws XMLStreamException { - // move to the next property depending on the current property - // index - QName propertyQName = getElements()[index].getKey(); - boolean textFound = false; - if (propertyQName == null) { - throw new XMLStreamException("property key cannot be null!"); - } else if (ELEMENT_TEXT.equals(propertyQName.getLocalPart())) { - // propPointer being a String has a special case - // that is it can be a the special constant ELEMENT_TEXT that - // says this text event - textFound = true; - } - - // OK! we got the key. Now look at the value - Object propertyValue = getElements()[index].getValue(); - // cater for the special case now - if (textFound) { - // no delegation here - make the parser null and immediately - // return with the event characters - childReader = null; - state = TEXT_STATE; - ++index; - return CHARACTERS; - } else if (propertyValue == null) { - // if the value is null we delegate the work to a nullable - // parser - childReader = new NilElementStreamReader(propertyQName); - childReader.setParentNamespaceContext(this.namespaceContext); - childReader.init(); - } else if (propertyValue instanceof String) { - // strings are handled by the NameValuePairStreamReader - childReader = new NameValuePairStreamReader(propertyQName, (String)propertyValue); - childReader.setParentNamespaceContext(this.namespaceContext); - childReader.init(); - } else if (propertyValue instanceof String[]) { - // string[] are handled by the NameValueArrayStreamReader - // if the array is empty - skip it - if (((String[])propertyValue).length == 0) { - // advance the index - ++index; - return processProperties(); - } else { - childReader = new NameValueArrayStreamReader(propertyQName, (String[])propertyValue); - childReader.setParentNamespaceContext(this.namespaceContext); - childReader.init(); - } - - } else if (propertyValue instanceof XMLStreamable) { - // ADBbean has it's own method to get a reader - XMLStreamReader reader = ((XMLStreamable)propertyValue).getXMLStreamReader(propertyQName); - // we know for sure that this is an ADB XMLStreamreader. - // However we need to make sure that it is compatible - if (reader instanceof XMLFragmentStreamReader) { - childReader = (XMLFragmentStreamReader)reader; - childReader.setParentNamespaceContext(this.namespaceContext); - childReader.init(); - } else { - // wrap it to make compatible - childReader = new WrappingXMLStreamReader(reader); - } - } else if (propertyValue instanceof XMLStreamReader) { - XMLStreamReader reader = (XMLStreamReader)propertyValue; - if (reader instanceof XMLFragmentStreamReader) { - childReader = (XMLFragmentStreamReader)reader; - childReader.setParentNamespaceContext(this.namespaceContext); - childReader.init(); - } else { - // wrap it to make compatible - childReader = new WrappingXMLStreamReader(reader); - } - - } else { - // all special possibilities has been tried! Let's treat - // the thing as a bean and try generating events from it - throw new UnsupportedOperationException("Property type is not supported"); - // we cannot register the namespace context here - } - - // set the state here - state = DELEGATED_STATE; - // we are done with the delegation - // increment the property index - ++index; - return childReader.getEventType(); - } - - public void require(int i, String string, String string1) throws XMLStreamException { - throw new UnsupportedOperationException(); - } - - public boolean standaloneSet() { - return true; - } - -} diff --git a/branches/sca-java-2.0-M4/modules/common-xml/src/main/java/org/apache/tuscany/sca/common/xml/stax/reader/XMLStreamable.java b/branches/sca-java-2.0-M4/modules/common-xml/src/main/java/org/apache/tuscany/sca/common/xml/stax/reader/XMLStreamable.java deleted file mode 100644 index f433753f96..0000000000 --- a/branches/sca-java-2.0-M4/modules/common-xml/src/main/java/org/apache/tuscany/sca/common/xml/stax/reader/XMLStreamable.java +++ /dev/null @@ -1,37 +0,0 @@ -/* - * Licensed to the Apache Software Foundation (ASF) under one - * or more contributor license agreements. See the NOTICE file - * distributed with this work for additional information - * regarding copyright ownership. The ASF licenses this file - * to you under the Apache License, Version 2.0 (the - * "License"); you may not use this file except in compliance - * with the License. You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, - * software distributed under the License is distributed on an - * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY - * KIND, either express or implied. See the License for the - * specific language governing permissions and limitations - * under the License. - */ -package org.apache.tuscany.sca.common.xml.stax.reader; - -import javax.xml.namespace.QName; -import javax.xml.stream.XMLStreamReader; - -/** - * An interface represents data that can be read using StAX streaming - * - * @version $Rev$ $Date$ - */ -public interface XMLStreamable { - /** - * Get the XMLStreamReader for StAX processing - * - * @param rootElementName the name of the element to be generated - * @return Returns a pull parser. - */ - XMLStreamReader getXMLStreamReader(QName rootElementName); -} diff --git a/branches/sca-java-2.0-M4/modules/common-xml/src/main/java/org/apache/tuscany/sca/common/xml/stax/reader/XmlNode.java b/branches/sca-java-2.0-M4/modules/common-xml/src/main/java/org/apache/tuscany/sca/common/xml/stax/reader/XmlNode.java deleted file mode 100644 index 9e39f58b31..0000000000 --- a/branches/sca-java-2.0-M4/modules/common-xml/src/main/java/org/apache/tuscany/sca/common/xml/stax/reader/XmlNode.java +++ /dev/null @@ -1,69 +0,0 @@ -/* - * Licensed to the Apache Software Foundation (ASF) under one - * or more contributor license agreements. See the NOTICE file - * distributed with this work for additional information - * regarding copyright ownership. The ASF licenses this file - * to you under the Apache License, Version 2.0 (the - * "License"); you may not use this file except in compliance - * with the License. You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, - * software distributed under the License is distributed on an - * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY - * KIND, either express or implied. See the License for the - * specific language governing permissions and limitations - * under the License. - */ - -package org.apache.tuscany.sca.common.xml.stax.reader; - -import java.util.Iterator; -import java.util.List; -import java.util.Map; - -import javax.xml.namespace.QName; - -/** - * @version $Rev$ $Date$ - */ -public interface XmlNode { - enum Type {ELEMENT, ATTRIBUTE, CHARACTERS, READER}; - /** - * Returns the children of the receiver as an <code>Iterator</code>. - */ - Iterator<XmlNode> children(); - - /** - * Returns the attributes of the element as an <code>List</code>. Namespace declarations - * should be excluded. - * - * @return - */ - List<XmlNode> attributes(); - - /** - * Returns a map of prefix to namespace URI - * @return - */ - Map<String, String> namespaces(); - - /** - * Return the QName of the element. If it's for a text node, the name is null. - * @return - */ - QName getName(); - - /** - * Return the text value of the leaf element - * @return - */ - <T> T getValue(); - - /** - * Return the type of the XML node - * @return - */ - Type getType(); -} diff --git a/branches/sca-java-2.0-M4/modules/common-xml/src/main/java/org/apache/tuscany/sca/common/xml/stax/reader/XmlNodeIterator.java b/branches/sca-java-2.0-M4/modules/common-xml/src/main/java/org/apache/tuscany/sca/common/xml/stax/reader/XmlNodeIterator.java deleted file mode 100644 index e0eba9a35d..0000000000 --- a/branches/sca-java-2.0-M4/modules/common-xml/src/main/java/org/apache/tuscany/sca/common/xml/stax/reader/XmlNodeIterator.java +++ /dev/null @@ -1,258 +0,0 @@ -/* - * Licensed to the Apache Software Foundation (ASF) under one - * or more contributor license agreements. See the NOTICE file - * distributed with this work for additional information - * regarding copyright ownership. The ASF licenses this file - * to you under the Apache License, Version 2.0 (the - * "License"); you may not use this file except in compliance - * with the License. You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, - * software distributed under the License is distributed on an - * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY - * KIND, either express or implied. See the License for the - * specific language governing permissions and limitations - * under the License. - */ - -package org.apache.tuscany.sca.common.xml.stax.reader; - -import java.util.ArrayList; -import java.util.EmptyStackException; -import java.util.Iterator; -import java.util.List; -import java.util.Map; - -import javax.xml.namespace.NamespaceContext; - -/** - * @version $Rev$ $Date$ - */ -public class XmlNodeIterator implements Iterator<XmlNode> { - public static final int START = 0; - public static final int END = 1; - - protected FastStack<ElementHolder> stack; - protected int state; - protected NamespaceContextImpl nsContext; - - public XmlNodeIterator(XmlNode rootNode) { - super(); - List<XmlNode> v = new ArrayList<XmlNode>(1); - v.add(rootNode); - stack = new FastStack<ElementHolder>(); - Iterator<XmlNode> i = v.iterator(); - stack.push(new ElementHolder(null, i)); - this.state = START; - this.nsContext = new NamespaceContextImpl(null); - } - - public boolean hasNext() { - return !(stack.empty() || (state == END && stack.peek().parent == null)); - } - - public XmlNode next() { - this.state = START; - ElementHolder element = stack.peek(); - Iterator<XmlNode> it = element.children; - if (it == null || (!it.hasNext())) { - // End of the children, return END event of parent - stack.pop(); - this.state = END; - this.nsContext = (NamespaceContextImpl)nsContext.getParent(); - return element.parent; - } - XmlNode node = it.next(); - stack.push(new ElementHolder(node, node.children())); - this.nsContext = new NamespaceContextImpl(this.nsContext); - populateNamespaces(node); - return node; - } - - public void remove() { - throw new UnsupportedOperationException(); - } - - public int getState() { - return state; - } - - public NamespaceContext getNamespaceContext() { - return nsContext; - } - - private void populateNamespaces(XmlNode element) { - if (element.getName() != null) { - if (element.namespaces() != null) { - for (Map.Entry<String, String> e : element.namespaces().entrySet()) { - nsContext.register(e.getKey(), e.getValue()); - } - } - } - } - - private static class ElementHolder { - private XmlNode parent; - private Iterator<XmlNode> children; - - public ElementHolder(XmlNode parent, Iterator<XmlNode> children) { - this.parent = parent; - this.children = children; - } - } - - /** - * An implementation of the {@link java.util.Stack} API that is based on an <code>ArrayList</code> instead of a - * <code>Vector</code>, so it is not synchronized to protect against multi-threaded access. The implementation is - * therefore operates faster in environments where you do not need to worry about multiple thread contention. - * <p> - * The removal order of an <code>ArrayStack</code> is based on insertion order: The most recently added element is - * removed first. The iteration order is <i>not</i> the same as the removal order. The iterator returns elements - * from the bottom up, whereas the {@link #remove()} method removes them from the top down. - * <p> - * Unlike <code>Stack</code>, <code>ArrayStack</code> accepts null entries. - */ - public static class FastStack<T> extends ArrayList<T> { - - /** Ensure Serialization compatibility */ - private static final long serialVersionUID = 2130079159931574599L; - - /** - * Constructs a new empty <code>ArrayStack</code>. The initial size is controlled by <code>ArrayList</code> - * and is currently 10. - */ - public FastStack() { - super(); - } - - /** - * Constructs a new empty <code>ArrayStack</code> with an initial size. - * - * @param initialSize the initial size to use - * @throws IllegalArgumentException if the specified initial size is negative - */ - public FastStack(int initialSize) { - super(initialSize); - } - - /** - * Return <code>true</code> if this stack is currently empty. - * <p> - * This method exists for compatibility with <code>java.util.Stack</code>. New users of this class should use - * <code>isEmpty</code> instead. - * - * @return true if the stack is currently empty - */ - public boolean empty() { - return isEmpty(); - } - - /** - * Returns the top item off of this stack without removing it. - * - * @return the top item on the stack - * @throws EmptyStackException if the stack is empty - */ - public T peek() throws EmptyStackException { - int n = size(); - if (n <= 0) { - throw new EmptyStackException(); - } else { - return get(n - 1); - } - } - - /** - * Returns the n'th item down (zero-relative) from the top of this stack without removing it. - * - * @param n the number of items down to go - * @return the n'th item on the stack, zero relative - * @throws EmptyStackException if there are not enough items on the stack to satisfy this request - */ - public T peek(int n) throws EmptyStackException { - int m = (size() - n) - 1; - if (m < 0) { - throw new EmptyStackException(); - } else { - return get(m); - } - } - - /** - * Pops the top item off of this stack and return it. - * - * @return the top item on the stack - * @throws EmptyStackException if the stack is empty - */ - public T pop() throws EmptyStackException { - int n = size(); - if (n <= 0) { - throw new EmptyStackException(); - } else { - return remove(n - 1); - } - } - - /** - * Pushes a new item onto the top of this stack. The pushed item is also returned. This is equivalent to calling - * <code>add</code>. - * - * @param item the item to be added - * @return the item just pushed - */ - public Object push(T item) { - add(item); - return item; - } - - /** - * Returns the top-most index for the object in the stack - * - * @param object the object to be searched for - * @return top-most index, or -1 if not found - */ - public int search(T object) { - int i = size() - 1; // Current index - while (i >= 0) { - T current = get(i); - if ((object == null && current == null) || (object != null && object.equals(current))) { - return i; - } - i--; - } - return -1; - } - - /** - * Returns the element on the top of the stack. - * - * @return the element on the top of the stack - * @throws EmptyStackException if the stack is empty - */ - public T get() { - int size = size(); - if (size == 0) { - throw new EmptyStackException(); - } - return get(size - 1); - } - - /** - * Removes the element on the top of the stack. - * - * @return the removed element - * @throws EmptyStackException if the stack is empty - */ - public T remove() { - int size = size(); - if (size == 0) { - throw new EmptyStackException(); - } - return remove(size - 1); - } - - } - -} diff --git a/branches/sca-java-2.0-M4/modules/common-xml/src/main/java/org/apache/tuscany/sca/common/xml/stax/reader/XmlTreeStreamReaderImpl.java b/branches/sca-java-2.0-M4/modules/common-xml/src/main/java/org/apache/tuscany/sca/common/xml/stax/reader/XmlTreeStreamReaderImpl.java deleted file mode 100644 index 3c4c1bdb06..0000000000 --- a/branches/sca-java-2.0-M4/modules/common-xml/src/main/java/org/apache/tuscany/sca/common/xml/stax/reader/XmlTreeStreamReaderImpl.java +++ /dev/null @@ -1,531 +0,0 @@ -/* - * Licensed to the Apache Software Foundation (ASF) under one - * or more contributor license agreements. See the NOTICE file - * distributed with this work for additional information - * regarding copyright ownership. The ASF licenses this file - * to you under the Apache License, Version 2.0 (the - * "License"); you may not use this file except in compliance - * with the License. You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, - * software distributed under the License is distributed on an - * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY - * KIND, either express or implied. See the License for the - * specific language governing permissions and limitations - * under the License. - */ -package org.apache.tuscany.sca.common.xml.stax.reader; - -import java.util.ArrayList; -import java.util.Collections; -import java.util.List; -import java.util.Map; - -import javax.xml.namespace.NamespaceContext; -import javax.xml.namespace.QName; -import javax.xml.stream.Location; -import javax.xml.stream.XMLStreamException; -import javax.xml.stream.XMLStreamReader; - -/** - * - * @version $Rev$ $Date$ - */ -public class XmlTreeStreamReaderImpl implements XMLStreamReader { - - protected int state; - protected XmlNodeIterator iterator; - protected XmlNode current; - - protected XMLStreamReader reader; - - /* - * we need to pass in a namespace context since when delegated, we've no - * idea of the current namespace context. So it needs to be passed on here! - */ - public XmlTreeStreamReaderImpl(XmlNode root) { - this.iterator = new XmlNodeIterator(root); - this.current = null; - this.state = START_DOCUMENT; - this.reader = null; - } - - public void close() throws XMLStreamException { - if (reader != null) { - reader.close(); - } - } - - private void checkElementState() { - if (getEventType() != START_ELEMENT && getEventType() != END_ELEMENT) { - throw new IllegalStateException(); - } - } - - private List<XmlNode> getAttributes() { - if (current != null && current.attributes() != null) { - return current.attributes(); - } else { - return Collections.emptyList(); - } - } - - public int getAttributeCount() { - checkElementState(); - if (reader != null) { - return reader.getAttributeCount(); - } - return getAttributes().size(); - } - - public String getAttributeLocalName(int i) { - checkElementState(); - if (reader != null) { - return reader.getAttributeLocalName(i); - } - return getAttributes().get(i).getName().getLocalPart(); - } - - /** - * @param i - */ - public QName getAttributeName(int i) { - checkElementState(); - if (reader != null) { - return reader.getAttributeName(i); - } - return getAttributes().get(i).getName(); - } - - public String getAttributeNamespace(int i) { - checkElementState(); - if (reader != null) { - return reader.getAttributeNamespace(i); - } - return getAttributes().get(i).getName().getNamespaceURI(); - } - - public String getAttributePrefix(int i) { - checkElementState(); - if (reader != null) { - return reader.getAttributePrefix(i); - } - return getAttributes().get(i).getName().getPrefix(); - } - - public String getAttributeType(int i) { - if (reader != null) { - return reader.getAttributeType(i); - } - return null; // not supported - } - - public String getAttributeValue(int i) { - checkElementState(); - if (reader != null) { - return reader.getAttributeValue(i); - } - return getAttributes().get(i).getValue(); - } - - public String getAttributeValue(String nsUri, String localName) { - checkElementState(); - if (reader != null) { - return reader.getAttributeValue(nsUri, localName); - } - int count = getAttributeCount(); - String value = null; - QName attrQName; - for (int i = 0; i < count; i++) { - attrQName = getAttributeName(i); - if (nsUri == null) { - if (localName.equals(attrQName.getLocalPart())) { - value = getAttributeValue(i); - break; - } - } else { - if (localName.equals(attrQName.getLocalPart()) && nsUri.equals(attrQName.getNamespaceURI())) { - value = getAttributeValue(i); - break; - } - } - - } - - return value; - } - - public String getCharacterEncodingScheme() { - if (reader != null) { - return reader.getCharacterEncodingScheme(); - } - return "UTF-8"; - } - - public String getElementText() throws XMLStreamException { - checkElementState(); - if (reader != null) { - return reader.getElementText(); - } - return current.getValue(); - } - - public String getEncoding() { - if (reader != null) { - return reader.getEncoding(); - } - return "UTF-8"; - } - - public int getEventType() { - return state; - } - - public String getLocalName() { - checkElementState(); - if (reader != null) { - return reader.getLocalName(); - } - return current.getName().getLocalPart(); - } - - /** - */ - public Location getLocation() { - if (reader != null) { - return reader.getLocation(); - } - // return a default location - return new Location() { - public int getCharacterOffset() { - return 0; - } - - public int getColumnNumber() { - return 0; - } - - public int getLineNumber() { - return 0; - } - - public String getPublicId() { - return null; - } - - public String getSystemId() { - return null; - } - }; - } - - public QName getName() { - checkElementState(); - if (reader != null) { - return reader.getName(); - } - return current.getName(); - } - - public NamespaceContext getNamespaceContext() { - if (reader != null) { - return reader.getNamespaceContext(); - } - return iterator.getNamespaceContext(); - } - - private Map<String, String> getNamespaces() { - if (current != null && current.namespaces() != null) { - return current.namespaces(); - } else { - return Collections.emptyMap(); - } - } - - public int getNamespaceCount() { - checkElementState(); - if (reader != null) { - return reader.getNamespaceCount(); - } - return getNamespaces().size(); - } - - /** - * @param i - */ - public String getNamespacePrefix(int i) { - checkElementState(); - if (reader != null) { - return reader.getNamespacePrefix(i); - } - return new ArrayList<Map.Entry<String, String>>(getNamespaces().entrySet()).get(i).getKey(); - } - - public String getNamespaceURI() { - checkElementState(); - if (reader != null) { - return reader.getNamespaceURI(); - } - return current.getName().getNamespaceURI(); - } - - public String getNamespaceURI(int i) { - checkElementState(); - if (reader != null) { - return reader.getNamespaceURI(i); - } - return new ArrayList<Map.Entry<String, String>>(getNamespaces().entrySet()).get(i).getValue(); - } - - public String getNamespaceURI(String prefix) { - if (reader != null) { - return reader.getNamespaceURI(prefix); - } - return getNamespaceContext().getNamespaceURI(prefix); - } - - public String getPIData() { - if (reader != null) { - return reader.getPIData(); - } - throw new UnsupportedOperationException("Yet to be implemented !!"); - } - - public String getPITarget() { - if (reader != null) { - return reader.getPITarget(); - } - throw new UnsupportedOperationException("Yet to be implemented !!"); - } - - public String getPrefix() { - if (reader != null) { - return reader.getPrefix(); - } - if (state == START_ELEMENT || state == END_ELEMENT) { - String prefix = current.getName().getPrefix(); - return "".equals(prefix) ? null : prefix; - } else if (state == START_DOCUMENT) { - return null; - } else { - throw new IllegalStateException("State==" + state); - } - } - - /** - * @param key - * @throws IllegalArgumentException - */ - public Object getProperty(String key) throws IllegalArgumentException { - if (reader != null) { - return reader.getProperty(key); - } - return null; - } - - public String getText() { - if (reader != null) { - return reader.getText(); - } - return current.getValue(); - } - - public char[] getTextCharacters() { - if (reader != null) { - return reader.getTextCharacters(); - } - String value = current.getValue(); - return value == null ? new char[0] : value.toCharArray(); - } - - private int copy(int sourceStart, char[] target, int targetStart, int length) { - char[] source = getTextCharacters(); - if (sourceStart > source.length) { - throw new IndexOutOfBoundsException("source start > source length"); - } - int sourceLen = source.length - sourceStart; - if (length > sourceLen) { - length = sourceLen; - } - System.arraycopy(source, sourceStart, target, targetStart, length); - return sourceLen; - } - - public int getTextCharacters(int i, char[] chars, int i1, int i2) throws XMLStreamException { - if (reader != null) { - return reader.getTextCharacters(i, chars, i1, i2); - } - return copy(i, chars, i1, i2); - } - - public int getTextLength() { - if (reader != null) { - return reader.getTextLength(); - } - return getTextCharacters().length; - } - - public int getTextStart() { - if (reader != null) { - return reader.getTextStart(); - } - return 0; - } - - public String getVersion() { - return "1.0"; - } - - public boolean hasName() { - if (reader != null) { - return reader.hasName(); - } - return current.getName() != null; - } - - /** - * @throws XMLStreamException - */ - public boolean hasNext() throws XMLStreamException { - return iterator.hasNext() || state != END_DOCUMENT || (reader != null && reader.hasNext()); - } - - public boolean hasText() { - if (reader != null) { - return reader.hasText(); - } - return current.getType() == XmlNode.Type.CHARACTERS; - } - - public boolean isAttributeSpecified(int i) { - if (reader != null) { - return reader.isAttributeSpecified(i); - } - return false; // not supported - } - - public boolean isCharacters() { - if (reader != null) { - return reader.isCharacters(); - } - return current.getType() == XmlNode.Type.CHARACTERS; - } - - public boolean isEndElement() { - if (reader != null) { - return reader.isEndElement(); - } - return getEventType() == END_ELEMENT; - } - - public boolean isStandalone() { - return true; - } - - public boolean isStartElement() { - if (reader != null) { - return reader.isStartElement(); - } - return getEventType() == START_ELEMENT; - } - - public boolean isWhiteSpace() { - if (reader != null) { - return reader.isWhiteSpace(); - } - return false; - } - - /** - * By far this should be the most important method in this class this method - * changes the state of the parser - */ - public int next() throws XMLStreamException { - if (!hasNext()) { - throw new IllegalStateException("No more events"); - } - if (reader != null) { - if (!reader.hasNext()) { - this.reader = null; - } else { - // Go to the delegation mode - state = reader.next(); - return state; - } - } - if (!iterator.hasNext()) { - state = END_DOCUMENT; - current = null; - return state; - } - current = iterator.next(); - XmlNode.Type type = current.getType(); - - int itState = iterator.getState(); - if (itState == XmlNodeIterator.END) { - if (type == XmlNode.Type.ELEMENT) { - state = END_ELEMENT; - } else { - // Ignore the pop - state = next(); - } - } - if (itState == XmlNodeIterator.START) { - if (type == XmlNode.Type.ELEMENT) { - state = START_ELEMENT; - } else if (type == XmlNode.Type.CHARACTERS) { - state = CHARACTERS; - } else if (type == XmlNode.Type.READER) { - XMLStreamReader value = current.getValue(); - this.reader = new WrappingXMLStreamReader(value); - state = reader.getEventType(); - return state; - } - } - return state; - } - - /** - * TODO implement this - * - * @throws XMLStreamException - */ - public int nextTag() throws XMLStreamException { - while (true) { - int event = next(); - if (event == START_ELEMENT || event == END_ELEMENT) { - return event; - } - } - } - - public void require(int i, String ns, String localPart) throws XMLStreamException { - if (reader != null) { - reader.require(i, ns, localPart); - return; - } - int event = getEventType(); - if (event != i) { - throw new IllegalStateException("Event type is " + event + " (!=" + i + ")"); - } - QName name = getName(); - String ns1 = name.getNamespaceURI(); - String localName1 = name.getLocalPart(); - - if (ns != null && !ns.equals(ns1)) { - throw new IllegalStateException("Namespace URI is " + ns1 + " (!=" + ns + ")"); - } - - if (localPart != null && !localPart.equals(localName1)) { - throw new IllegalStateException("Local name is " + localName1 + " (!=" + localPart + ")"); - } - - } - - public boolean standaloneSet() { - return true; - } - -} |