diff options
author | lresende <lresende@13f79535-47bb-0310-9956-ffa450edef68> | 2009-11-13 01:25:44 +0000 |
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committer | lresende <lresende@13f79535-47bb-0310-9956-ffa450edef68> | 2009-11-13 01:25:44 +0000 |
commit | b5c0d648cf147d3709eb78d98011f38e07aee723 (patch) | |
tree | e82891caaa5b04b3551ef59d1c790fddd99d5131 /sca-java-1.x/branches/sca-java-1.5.2/modules/contribution-xml/src/main/java/org/apache/tuscany/sca/contribution/processor/xml/XMLEventsStreamReader.java | |
parent | 539451c7e13d98504e6f3368d892406494ca711d (diff) |
Moving 1.x branches
git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@835694 13f79535-47bb-0310-9956-ffa450edef68
Diffstat (limited to 'sca-java-1.x/branches/sca-java-1.5.2/modules/contribution-xml/src/main/java/org/apache/tuscany/sca/contribution/processor/xml/XMLEventsStreamReader.java')
-rw-r--r-- | sca-java-1.x/branches/sca-java-1.5.2/modules/contribution-xml/src/main/java/org/apache/tuscany/sca/contribution/processor/xml/XMLEventsStreamReader.java | 448 |
1 files changed, 448 insertions, 0 deletions
diff --git a/sca-java-1.x/branches/sca-java-1.5.2/modules/contribution-xml/src/main/java/org/apache/tuscany/sca/contribution/processor/xml/XMLEventsStreamReader.java b/sca-java-1.x/branches/sca-java-1.5.2/modules/contribution-xml/src/main/java/org/apache/tuscany/sca/contribution/processor/xml/XMLEventsStreamReader.java new file mode 100644 index 0000000000..351929d8a1 --- /dev/null +++ b/sca-java-1.x/branches/sca-java-1.5.2/modules/contribution-xml/src/main/java/org/apache/tuscany/sca/contribution/processor/xml/XMLEventsStreamReader.java @@ -0,0 +1,448 @@ +/* + * 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.contribution.processor.xml; + +import java.util.ArrayList; +import java.util.HashMap; +import java.util.List; +import java.util.Map; +import java.util.Stack; + +import java.util.Iterator; + +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; +import javax.xml.stream.events.Attribute; +import javax.xml.stream.events.Namespace; +import javax.xml.stream.events.ProcessingInstruction; +import javax.xml.stream.events.XMLEvent; + + +public class XMLEventsStreamReader implements XMLStreamReader { + + @SuppressWarnings("unused") + private ArrayList<XMLEvent> events = null; + @SuppressWarnings("unchecked") + private HashMap<String, NamespaceContext> eventContext = null; + + private int state; + private java.util.Iterator<XMLEvent> iterator; + private XMLEvent current; + + @SuppressWarnings("unchecked") + public XMLEventsStreamReader(List<XMLEvent> events,Map<String, NamespaceContext> map) { + this.events = (ArrayList<XMLEvent>) events; + this.eventContext = (HashMap<String, NamespaceContext>) map; + this.iterator = events.iterator(); + this.current = iterator.next(); + this.state = current.getEventType(); + } + + public void close() throws XMLStreamException { + this.events = null; + this.eventContext = null; + this.iterator = null; + this.current = null; + } + + private void checkElementState() { + if (getEventType() != START_ELEMENT && getEventType() != END_ELEMENT) { + throw new IllegalStateException(); + } + } + + @SuppressWarnings("unchecked") + public int getAttributeCount() { + checkElementState(); + int count = 0; + Iterator<Attribute> iterator = current.asStartElement().getAttributes(); + while (iterator.hasNext()) { + count++; + iterator.next(); + } + return count; + } + + /* + * Custom method to get attribute from the specified index + */ + @SuppressWarnings("unchecked") + private Attribute getAttribute(int index) { + checkElementState(); + int count = 0; + Attribute attribute = null; + Iterator<Attribute> iterator = current.asStartElement().getAttributes(); + while (iterator.hasNext()) { + count++; + if (count == index) { + attribute = iterator.next(); + } else { + iterator.next(); + } + } + return attribute; + } + + + public String getAttributeLocalName(int index) { + checkElementState(); + return getAttribute(index).getName().getLocalPart(); + } + + public QName getAttributeName(int index) { + checkElementState(); + return getAttribute(index).getName(); + } + + public String getAttributeNamespace(int index) { + checkElementState(); + return getAttributeName(index).getNamespaceURI(); + } + + public String getAttributePrefix(int index) { + checkElementState(); + return getAttributeName(index).getPrefix(); + } + + public String getAttributeType(int index) { + checkElementState(); + return getAttribute(index).getDTDType(); + } + + public String getAttributeValue(int index) { + checkElementState(); + return getAttribute(index).getValue(); + } + + @SuppressWarnings("unchecked") + public String getAttributeValue(String namespaceURI, String localName) { + checkElementState(); + Iterator<Attribute> iterator = current.asStartElement().getAttributes(); + Attribute attribute; + while (iterator.hasNext()) { + attribute = iterator.next(); + if (attribute.getName().getNamespaceURI().equalsIgnoreCase( + namespaceURI) + && attribute.getName().getLocalPart().equalsIgnoreCase( + localName)) { + return attribute.getValue(); + } + } + return null; + + } + + public String getCharacterEncodingScheme() { + return "UTF-8"; + } + + public String getElementText() throws XMLStreamException { + checkElementState(); + int eventType = getEventType(); + String elementText = null; + + if (eventType == START_ELEMENT) { + elementText = current.asStartElement().getName().getLocalPart(); + } else if (eventType == END_ELEMENT) { + elementText = current.asEndElement().getName().getLocalPart(); + } + return elementText; + } + + public String getEncoding() { + return "UTF-8"; + } + + public int getEventType() { + return state; + } + + public String getLocalName() { + checkElementState(); + switch (current.getEventType()) { + case START_ELEMENT: + return current.asStartElement().getName().getLocalPart(); + case END_ELEMENT: + return current.asEndElement().getName().getLocalPart(); + } + return null; + } + + public Location getLocation() { + return current.getLocation(); + } + + public QName getName() { + checkElementState(); + switch (current.getEventType()) { + case START_ELEMENT: + return current.asStartElement().getName(); + case END_ELEMENT: + return current.asEndElement().getName(); + } + return null; + } + + public NamespaceContext getNamespaceContext() { + checkElementState(); + //return new TuscanyNamespaceContext(eventContext.get(getLocalName())); + return eventContext.get(getLocalName()); + } + + @SuppressWarnings("unchecked") + public int getNamespaceCount() { + int count = 0; + Iterator<Namespace> itr = current.asStartElement().getNamespaces(); + while (itr.hasNext()) { + count++; + itr.next(); + } + return count; + } + + @SuppressWarnings("unchecked") + public String getNamespacePrefix(int index) { + Iterator<Namespace> itr = current.asStartElement().getNamespaces(); + int level = 0; + Namespace ns = null; + while (itr.hasNext()) { + ns = itr.next(); + if (level == index) { + return ns.getPrefix(); + } + level++; + } + return null; + } + + public String getNamespaceURI() { + checkElementState(); + switch (current.getEventType()) { + case START_ELEMENT: + return current.asStartElement().getName().getNamespaceURI(); + case END_ELEMENT: + return current.asEndElement().getName().getNamespaceURI(); + } + return null; + } + + public String getNamespaceURI(String prefix) { + return getNamespaceContext().getNamespaceURI(prefix); + } + + @SuppressWarnings("unchecked") + public String getNamespaceURI(int index) { + Iterator<Namespace> itr = current.asStartElement().getNamespaces(); + int level = 0; + Namespace ns = null; + while (itr.hasNext()) { + ns = itr.next(); + if (level == index) { + return ns.getNamespaceURI(); + } + level++; + } + return null; + } + + public String getPIData() { + if (current.isProcessingInstruction()) { + ProcessingInstruction pi = (ProcessingInstruction) current; + return pi.getData(); + } else { + throw new IllegalStateException(current.toString()); + } + } + + public String getPITarget() { + if (current.isProcessingInstruction()) { + ProcessingInstruction pi = (ProcessingInstruction) current; + return pi.getTarget(); + } else { + throw new IllegalStateException(current.toString()); + } + } + + public String getPrefix() { + checkElementState(); + if (current.isStartElement()) { + return current.asStartElement().getName().getPrefix(); + } + return null; + } + + /* + * FIXME: Implementation pending... + * + * @see (non-Javadoc) + * javax.xml.stream.util.StreamReaderDelegate#getProperty(java.lang.String) + */ + public Object getProperty(String name) throws IllegalArgumentException { + // TODO Auto-generated method stub + + return null; + } + + public String getText() { + if (current.isCharacters()) { + return current.asCharacters().getData(); + } else { + throw new IllegalStateException(current.toString()); + } + } + + public char[] getTextCharacters() { + if (current.isCharacters()) { + return current.asCharacters().getData().toCharArray(); + } else { + throw new IllegalStateException(current.toString()); + } + } + + /* + * FIXME: Implementation pending... (non-Javadoc) + * + * @see javax.xml.stream.util.StreamReaderDelegate#getTextCharacters(int, + * char[], int, int) + */ + public int getTextCharacters(int sourceStart, char[] target, + int targetStart, int length) throws XMLStreamException { + // TODO Auto-generated method stub + return 0; + } + + /* + * FIXME:Implementaion can be improved (non-Javadoc) + * + * @see javax.xml.stream.util.StreamReaderDelegate#getTextLength() + */ + public int getTextLength() { + if (current.isCharacters()) { + return current.asCharacters().getData().length(); + } else { + throw new IllegalStateException(current.toString()); + } + } + + /* + * FIXME: Implementation pending... (non-Javadoc) + * + * @see javax.xml.stream.util.StreamReaderDelegate#getTextStart() + */ + public int getTextStart() { + // TODO Auto-generated method stub + return 0; + } + + /* + * FIXME: Implementation pending... (non-Javadoc) + * + * @see javax.xml.stream.util.StreamReaderDelegate#getTextStart() + */ + public String getVersion() { + // TODO Auto-generated method stub + + return null; + } + + public boolean hasName() { + return false; + } + + public boolean hasNext() throws XMLStreamException { + return iterator.hasNext() || state != END_DOCUMENT; + + } + + public boolean hasText() { + // TODO Auto-generated method stub + return false; + } + + /* + * FIXME: Implementation pending... (non-Javadoc) + * + * @see javax.xml.stream.util.StreamReaderDelegate#getTextStart() + */ + public boolean isAttributeSpecified(int index) { + // TODO Auto-generated method stub + return false; + } + + public boolean isCharacters() { + return current.isCharacters(); + } + + public boolean isEndElement() { + return current.isEndElement(); + } + + public boolean isStandalone() { + // TODO Auto-generated method stub + return false; + } + + public boolean isStartElement() { + return current.isStartElement(); + } + + public boolean isWhiteSpace() { + // TODO Auto-generated method stub + return false; + } + + public int next() throws XMLStreamException { + if (!hasNext()) { + throw new IllegalStateException("No more events"); + } + if (!iterator.hasNext()) { + state = END_DOCUMENT; + current = null; + return state; + } + current = iterator.next(); + state = current.getEventType(); + return state; + } + + public int nextTag() throws XMLStreamException { + return iterator.next().getEventType(); + } + + public void require(int type, String namespaceURI, String localName) + throws XMLStreamException { + boolean require = false; + String uri = getNamespaceURI(); + String name = getLocalName(); + if (state == type && namespaceURI.equals(uri) && localName.equals(name)) { + require = true; + } + if (require != true) { + throw new XMLStreamException(); + } + } + + public boolean standaloneSet() { + return false; + } + +} |