diff options
Diffstat (limited to 'java/sca/modules/common-xml/src/main/java/org/apache/tuscany/sca/common/xml/stax/reader/XMLDocumentStreamReader.java')
| -rw-r--r-- | java/sca/modules/common-xml/src/main/java/org/apache/tuscany/sca/common/xml/stax/reader/XMLDocumentStreamReader.java | 482 |
1 files changed, 0 insertions, 482 deletions
diff --git a/java/sca/modules/common-xml/src/main/java/org/apache/tuscany/sca/common/xml/stax/reader/XMLDocumentStreamReader.java b/java/sca/modules/common-xml/src/main/java/org/apache/tuscany/sca/common/xml/stax/reader/XMLDocumentStreamReader.java deleted file mode 100644 index a020a8a61e..0000000000 --- a/java/sca/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; - } - } -} |