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Posted to commits@tuscany.apache.org by rf...@apache.org on 2008/12/10 20:37:27 UTC
svn commit: r725398 [3/4] - in /tuscany/java/sca/modules/common-xml: ./
META-INF/ src/ src/main/ src/main/java/ src/main/java/org/
src/main/java/org/apache/ src/main/java/org/apache/tuscany/
src/main/java/org/apache/tuscany/sca/ src/main/java/org/apach...
Added: tuscany/java/sca/modules/common-xml/src/main/java/org/apache/tuscany/sca/common/xml/stax/XMLFragmentStreamReaderImpl.java
URL: http://svn.apache.org/viewvc/tuscany/java/sca/modules/common-xml/src/main/java/org/apache/tuscany/sca/common/xml/stax/XMLFragmentStreamReaderImpl.java?rev=725398&view=auto
==============================================================================
--- tuscany/java/sca/modules/common-xml/src/main/java/org/apache/tuscany/sca/common/xml/stax/XMLFragmentStreamReaderImpl.java (added)
+++ tuscany/java/sca/modules/common-xml/src/main/java/org/apache/tuscany/sca/common/xml/stax/XMLFragmentStreamReaderImpl.java Wed Dec 10 11:37:25 2008
@@ -0,0 +1,858 @@
+/*
+ * 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;
+
+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;
+ }
+
+}
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svn:keywords = Rev Date
Added: tuscany/java/sca/modules/common-xml/src/main/java/org/apache/tuscany/sca/common/xml/stax/XMLStreamSerializer.java
URL: http://svn.apache.org/viewvc/tuscany/java/sca/modules/common-xml/src/main/java/org/apache/tuscany/sca/common/xml/stax/XMLStreamSerializer.java?rev=725398&view=auto
==============================================================================
--- tuscany/java/sca/modules/common-xml/src/main/java/org/apache/tuscany/sca/common/xml/stax/XMLStreamSerializer.java (added)
+++ tuscany/java/sca/modules/common-xml/src/main/java/org/apache/tuscany/sca/common/xml/stax/XMLStreamSerializer.java Wed Dec 10 11:37:25 2008
@@ -0,0 +1,287 @@
+/*
+ * 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;
+
+import javax.xml.namespace.NamespaceContext;
+import javax.xml.stream.XMLStreamConstants;
+import javax.xml.stream.XMLStreamException;
+import javax.xml.stream.XMLStreamReader;
+import javax.xml.stream.XMLStreamWriter;
+
+/**
+ * The XMLStreamSerializer pulls events from the XMLStreamReader and dumps into the XMLStreamWriter
+ *
+ * @version $Rev$ $Date$
+ */
+public class XMLStreamSerializer implements XMLStreamConstants {
+ public static final String NAMESPACE_PREFIX = "ns";
+ private static int namespaceSuffix;
+
+ /*
+ * The behavior of the Serializer is such that it returns when it encounters the starting element for the second
+ * time. The depth variable tracks the depth of the Serializer and tells it when to return. Note that it is assumed
+ * that this Serialization starts on an Element.
+ */
+
+ /**
+ * Field depth
+ */
+ private int depth;
+
+ /**
+ * Generates a unique namespace prefix that is not in the scope of the NamespaceContext
+ *
+ * @param nsCtxt
+ * @return string
+ */
+ private String generateUniquePrefix(NamespaceContext nsCtxt) {
+ String prefix = NAMESPACE_PREFIX + namespaceSuffix++;
+ // null should be returned if the prefix is not bound!
+ while (nsCtxt.getNamespaceURI(prefix) != null) {
+ prefix = NAMESPACE_PREFIX + namespaceSuffix++;
+ }
+
+ return prefix;
+ }
+
+ /**
+ * Method serialize.
+ *
+ * @param node
+ * @param writer
+ * @throws XMLStreamException
+ */
+ public void serialize(XMLStreamReader node, XMLStreamWriter writer) throws XMLStreamException {
+ serializeNode(node, writer);
+ }
+
+ /**
+ * @param reader
+ * @param writer
+ * @throws XMLStreamException
+ */
+ protected void serializeAttributes(XMLStreamReader reader, XMLStreamWriter writer) throws XMLStreamException {
+ int count = reader.getAttributeCount();
+ String prefix;
+ String namespaceName;
+ String writerPrefix;
+ for (int i = 0; i < count; i++) {
+ prefix = reader.getAttributePrefix(i);
+ namespaceName = reader.getAttributeNamespace(i);
+ /*
+ * Due to parser implementations returning null as the namespace URI (for the empty namespace) we need to
+ * make sure that we deal with a namespace name that is not null. The best way to work around this issue is
+ * to set the namespace URI to "" if it is null
+ */
+ if (namespaceName == null) {
+ namespaceName = "";
+ }
+
+ writerPrefix = writer.getPrefix(namespaceName);
+
+ if (!"".equals(namespaceName)) {
+ // prefix has already being declared but this particular
+ // attrib has a
+ // no prefix attached. So use the prefix provided by the
+ // writer
+ if (writerPrefix != null && (prefix == null || prefix.equals(""))) {
+ writer.writeAttribute(writerPrefix, namespaceName, reader.getAttributeLocalName(i), reader
+ .getAttributeValue(i));
+
+ // writer prefix is available but different from the
+ // current
+ // prefix of the attrib. We should be declaring the new
+ // prefix
+ // as a namespace declaration
+ } else if (prefix != null && !"".equals(prefix) && !prefix.equals(writerPrefix)) {
+ writer.writeNamespace(prefix, namespaceName);
+ writer.writeAttribute(prefix, namespaceName, reader.getAttributeLocalName(i), reader
+ .getAttributeValue(i));
+
+ // prefix is null (or empty), but the namespace name is
+ // valid! it has not
+ // being written previously also. So we need to generate
+ // a prefix
+ // here
+ } else if (prefix == null || prefix.equals("")) {
+ prefix = generateUniquePrefix(writer.getNamespaceContext());
+ writer.writeNamespace(prefix, namespaceName);
+ writer.writeAttribute(prefix, namespaceName, reader.getAttributeLocalName(i), reader
+ .getAttributeValue(i));
+ } else {
+ writer.writeAttribute(prefix, namespaceName, reader.getAttributeLocalName(i), reader
+ .getAttributeValue(i));
+ }
+ } else {
+ // empty namespace is equal to no namespace!
+ writer.writeAttribute(reader.getAttributeLocalName(i), reader.getAttributeValue(i));
+ }
+
+ }
+ }
+
+ /**
+ * Method serializeCData.
+ *
+ * @param reader
+ * @param writer
+ * @throws XMLStreamException
+ */
+ protected void serializeCData(XMLStreamReader reader, XMLStreamWriter writer) throws XMLStreamException {
+ writer.writeCData(reader.getText());
+ }
+
+ /**
+ * Method serializeComment.
+ *
+ * @param reader
+ * @param writer
+ * @throws XMLStreamException
+ */
+ protected void serializeComment(XMLStreamReader reader, XMLStreamWriter writer) throws XMLStreamException {
+ writer.writeComment(reader.getText());
+ }
+
+ /**
+ * @param reader
+ * @param writer
+ * @throws XMLStreamException
+ */
+ protected void serializeElement(XMLStreamReader reader, XMLStreamWriter writer) throws XMLStreamException {
+ String prefix = reader.getPrefix();
+ String nameSpaceName = reader.getNamespaceURI();
+ if (nameSpaceName != null) {
+ String writerPrefix = writer.getPrefix(nameSpaceName);
+ if (writerPrefix != null) {
+ writer.writeStartElement(nameSpaceName, reader.getLocalName());
+ } else {
+ if (prefix != null) {
+ writer.writeStartElement(prefix, reader.getLocalName(), nameSpaceName);
+ writer.writeNamespace(prefix, nameSpaceName);
+ // writer.setPrefix(prefix, nameSpaceName);
+ } else {
+ // [rfeng] We need to set default NS 1st before calling writeStateElement
+ writer.setDefaultNamespace(nameSpaceName);
+ writer.writeStartElement(nameSpaceName, reader.getLocalName());
+ writer.writeDefaultNamespace(nameSpaceName);
+ }
+ }
+ } else {
+ writer.writeStartElement(reader.getLocalName());
+ }
+
+ // add the namespaces
+ int count = reader.getNamespaceCount();
+ String namespacePrefix;
+ for (int i = 0; i < count; i++) {
+ namespacePrefix = reader.getNamespacePrefix(i);
+ // [rfeng] The following is commented out to allow to default ns
+ // if (namespacePrefix != null && namespacePrefix.length() == 0) {
+ // continue;
+ // }
+
+ serializeNamespace(namespacePrefix, reader.getNamespaceURI(i), writer);
+ }
+
+ // add attributes
+ serializeAttributes(reader, writer);
+
+ }
+
+ /**
+ * Method serializeEndElement.
+ *
+ * @param writer
+ * @throws XMLStreamException
+ */
+ protected void serializeEndElement(XMLStreamWriter writer) throws XMLStreamException {
+ writer.writeEndElement();
+ }
+
+ /**
+ * Method serializeNamespace.
+ *
+ * @param prefix
+ * @param uri
+ * @param writer
+ * @throws XMLStreamException
+ */
+ private void serializeNamespace(String prefix, String uri, XMLStreamWriter writer) throws XMLStreamException {
+ String prefix1 = writer.getPrefix(uri);
+ if (prefix1 == null) {
+ writer.writeNamespace(prefix, uri);
+ // writer.setPrefix(prefix, uri);
+ }
+ }
+
+ /**
+ * Method serializeNode.
+ *
+ * @param reader
+ * @param writer
+ * @throws XMLStreamException
+ */
+ protected void serializeNode(XMLStreamReader reader, XMLStreamWriter writer) throws XMLStreamException {
+ while (true) {
+ int event = reader.getEventType();
+ if (event == START_ELEMENT) {
+ serializeElement(reader, writer);
+ depth++;
+ } else if (event == ATTRIBUTE) {
+ serializeAttributes(reader, writer);
+ } else if (event == CHARACTERS) {
+ serializeText(reader, writer);
+ } else if (event == COMMENT) {
+ serializeComment(reader, writer);
+ } else if (event == CDATA) {
+ serializeCData(reader, writer);
+ } else if (event == END_ELEMENT) {
+ serializeEndElement(writer);
+ depth--;
+ } else if (event == START_DOCUMENT) {
+ depth++; // if a start document is found then increment
+ writer.writeStartDocument();
+ // the depth
+ } else if (event == END_DOCUMENT) {
+ if (depth != 0) {
+ depth--; // for the end document - reduce the depth
+ }
+ writer.writeEndDocument();
+ }
+ if (depth == 0) {
+ break;
+ }
+ if (reader.hasNext()) {
+ reader.next();
+ } else {
+ break;
+ }
+ }
+ }
+
+ /**
+ * @param reader
+ * @param writer
+ * @throws XMLStreamException
+ */
+ protected void serializeText(XMLStreamReader reader, XMLStreamWriter writer) throws XMLStreamException {
+ writer.writeCharacters(reader.getText());
+ }
+}
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svn:keywords = Rev Date
Added: tuscany/java/sca/modules/common-xml/src/main/java/org/apache/tuscany/sca/common/xml/stax/XMLStreamable.java
URL: http://svn.apache.org/viewvc/tuscany/java/sca/modules/common-xml/src/main/java/org/apache/tuscany/sca/common/xml/stax/XMLStreamable.java?rev=725398&view=auto
==============================================================================
--- tuscany/java/sca/modules/common-xml/src/main/java/org/apache/tuscany/sca/common/xml/stax/XMLStreamable.java (added)
+++ tuscany/java/sca/modules/common-xml/src/main/java/org/apache/tuscany/sca/common/xml/stax/XMLStreamable.java Wed Dec 10 11:37:25 2008
@@ -0,0 +1,37 @@
+/*
+ * 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;
+
+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);
+}
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Added: tuscany/java/sca/modules/common-xml/src/main/java/org/apache/tuscany/sca/common/xml/stax/XmlNode.java
URL: http://svn.apache.org/viewvc/tuscany/java/sca/modules/common-xml/src/main/java/org/apache/tuscany/sca/common/xml/stax/XmlNode.java?rev=725398&view=auto
==============================================================================
--- tuscany/java/sca/modules/common-xml/src/main/java/org/apache/tuscany/sca/common/xml/stax/XmlNode.java (added)
+++ tuscany/java/sca/modules/common-xml/src/main/java/org/apache/tuscany/sca/common/xml/stax/XmlNode.java Wed Dec 10 11:37:25 2008
@@ -0,0 +1,69 @@
+/*
+ * 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;
+
+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();
+}
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Added: tuscany/java/sca/modules/common-xml/src/main/java/org/apache/tuscany/sca/common/xml/stax/XmlNodeIterator.java
URL: http://svn.apache.org/viewvc/tuscany/java/sca/modules/common-xml/src/main/java/org/apache/tuscany/sca/common/xml/stax/XmlNodeIterator.java?rev=725398&view=auto
==============================================================================
--- tuscany/java/sca/modules/common-xml/src/main/java/org/apache/tuscany/sca/common/xml/stax/XmlNodeIterator.java (added)
+++ tuscany/java/sca/modules/common-xml/src/main/java/org/apache/tuscany/sca/common/xml/stax/XmlNodeIterator.java Wed Dec 10 11:37:25 2008
@@ -0,0 +1,355 @@
+/*
+ * 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;
+
+import java.util.ArrayList;
+import java.util.EmptyStackException;
+import java.util.HashMap;
+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;
+ }
+ }
+
+ private static 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();
+ }
+ }
+
+ /**
+ * 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);
+ }
+
+ }
+
+}
Propchange: tuscany/java/sca/modules/common-xml/src/main/java/org/apache/tuscany/sca/common/xml/stax/XmlNodeIterator.java
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svn:eol-style = native
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------------------------------------------------------------------------------
svn:keywords = Rev Date
Added: tuscany/java/sca/modules/common-xml/src/main/java/org/apache/tuscany/sca/common/xml/stax/XmlTreeStreamReaderImpl.java
URL: http://svn.apache.org/viewvc/tuscany/java/sca/modules/common-xml/src/main/java/org/apache/tuscany/sca/common/xml/stax/XmlTreeStreamReaderImpl.java?rev=725398&view=auto
==============================================================================
--- tuscany/java/sca/modules/common-xml/src/main/java/org/apache/tuscany/sca/common/xml/stax/XmlTreeStreamReaderImpl.java (added)
+++ tuscany/java/sca/modules/common-xml/src/main/java/org/apache/tuscany/sca/common/xml/stax/XmlTreeStreamReaderImpl.java Wed Dec 10 11:37:25 2008
@@ -0,0 +1,531 @@
+/*
+ * 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;
+
+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;
+ }
+
+}
Propchange: tuscany/java/sca/modules/common-xml/src/main/java/org/apache/tuscany/sca/common/xml/stax/XmlTreeStreamReaderImpl.java
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------------------------------------------------------------------------------
svn:keywords = Rev Date
Added: tuscany/java/sca/modules/common-xml/src/test/java/org/apache/tuscany/sca/common/xml/stax/StAXHelperTestCase.java
URL: http://svn.apache.org/viewvc/tuscany/java/sca/modules/common-xml/src/test/java/org/apache/tuscany/sca/common/xml/stax/StAXHelperTestCase.java?rev=725398&view=auto
==============================================================================
--- tuscany/java/sca/modules/common-xml/src/test/java/org/apache/tuscany/sca/common/xml/stax/StAXHelperTestCase.java (added)
+++ tuscany/java/sca/modules/common-xml/src/test/java/org/apache/tuscany/sca/common/xml/stax/StAXHelperTestCase.java Wed Dec 10 11:37:25 2008
@@ -0,0 +1,49 @@
+/*
+ * 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;
+
+import static org.junit.Assert.assertNotNull;
+
+import javax.xml.stream.XMLStreamReader;
+
+import org.custommonkey.xmlunit.XMLAssert;
+import org.junit.Test;
+
+/**
+ * Test Case for StAXHelper
+ *
+ * @version $Rev$ $Date$
+ */
+public class StAXHelperTestCase {
+ private static final String XML =
+ "<a:foo xmlns:a='http://a' name='foo'><bar name='bar'>"
+ + "<doo a:name='doo' xmlns:a='http://doo'/>"
+ + "</bar></a:foo>";
+
+ @Test
+ public void testHelper() throws Exception {
+ XMLStreamReader reader = StAXHelper.createXMLStreamReader(XML);
+ String xml = StAXHelper.save(reader);
+ XMLAssert.assertXMLEqual(XML, xml);
+ reader = StAXHelper.createXMLStreamReader(xml);
+ assertNotNull(reader);
+ }
+
+}
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svn:keywords = Rev Date
Added: tuscany/java/sca/modules/common-xml/src/test/java/org/apache/tuscany/sca/common/xml/stax/XmlTreeStreamReaderTestCase.java
URL: http://svn.apache.org/viewvc/tuscany/java/sca/modules/common-xml/src/test/java/org/apache/tuscany/sca/common/xml/stax/XmlTreeStreamReaderTestCase.java?rev=725398&view=auto
==============================================================================
--- tuscany/java/sca/modules/common-xml/src/test/java/org/apache/tuscany/sca/common/xml/stax/XmlTreeStreamReaderTestCase.java (added)
+++ tuscany/java/sca/modules/common-xml/src/test/java/org/apache/tuscany/sca/common/xml/stax/XmlTreeStreamReaderTestCase.java Wed Dec 10 11:37:25 2008
@@ -0,0 +1,204 @@
+/*
+ * 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;
+
+import java.io.StringReader;
+import java.io.StringWriter;
+import java.util.ArrayList;
+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;
+import javax.xml.stream.XMLInputFactory;
+import javax.xml.stream.XMLOutputFactory;
+import javax.xml.stream.XMLStreamReader;
+import javax.xml.stream.XMLStreamWriter;
+
+import org.custommonkey.xmlunit.XMLAssert;
+import org.junit.Assert;
+import org.junit.Before;
+import org.junit.Test;
+
+/**
+ * @version $Rev$ $Date$
+ */
+public class XmlTreeStreamReaderTestCase {
+ private static final String IPO_XML =
+ "<?xml version=\"1.0\"?>" + "<ipo:purchaseOrder"
+ + " xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\""
+ + " xmlns:ipo=\"http://www.example.com/IPO\""
+ + " xsi:schemaLocation=\"http://www.example.com/IPO ipo.xsd\""
+ + " orderDate=\"1999-12-01\">"
+ + " <shipTo exportCode=\"1\" xsi:type=\"ipo:UKAddress\">"
+ + " <name>Helen Zoe</name>"
+ + " <street>47 Eden Street</street>"
+ + " <city>Cambridge</city>"
+ + " <postcode>CB1 1JR</postcode>"
+ + " </shipTo>"
+ + " <billTo xsi:type=\"ipo:USAddress\">"
+ + " <name>Robert Smith</name>"
+ + " <street>8 Oak Avenue</street>"
+ + " <city>Old Town</city>"
+ + " <state>PA</state>"
+ + " <zip>95819</zip>"
+ + " </billTo>"
+ + " <items>"
+ + " <item partNum=\"833-AA\">"
+ + " <productName>Lapis necklace</productName>"
+ + " <quantity>1</quantity>"
+ + " <USPrice>99.95</USPrice>"
+ + " <ipo:comment>Want this for the holidays</ipo:comment>"
+ + " <shipDate>1999-12-05</shipDate>"
+ + " </item>"
+ + " </items>"
+ + "</ipo:purchaseOrder>";
+
+ private static final String XML_RESULT =
+ "<?xml version='1.0' encoding='UTF-8'?>" + "<p1:e1 xmlns:p1=\"http://ns\">"
+ + "<p2:e11 xmlns:p2=\"http://ns1\">MyText</p2:e11>"
+ + "<p1:e12><p1:e121 /></p1:e12>"
+ + "<ipo:purchaseOrder xmlns:ipo=\"http://www.example.com/IPO\" "
+ + "xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\" "
+ + "xsi:schemaLocation=\"http://www.example.com/IPO ipo.xsd\" orderDate=\"1999-12-01\"> "
+ + "<shipTo exportCode=\"1\" xsi:type=\"ipo:UKAddress\"> "
+ + "<name>Helen Zoe</name> <street>47 Eden Street</street> "
+ + "<city>Cambridge</city> <postcode>CB1 1JR</postcode> </shipTo> "
+ + "<billTo xsi:type=\"ipo:USAddress\"> <name>Robert Smith</name> "
+ + "<street>8 Oak Avenue</street> <city>Old Town</city> <state>PA</state> "
+ + "<zip>95819</zip> </billTo> <items> <item partNum=\"833-AA\"> "
+ + "<productName>Lapis necklace</productName> <quantity>1</quantity> "
+ + "<USPrice>99.95</USPrice> <ipo:comment>Want this for the holidays</ipo:comment> "
+ + "<shipDate>1999-12-05</shipDate> </item> </items></ipo:purchaseOrder></p1:e1>";
+ private XmlNodeImpl root;
+
+ @Before
+ public void setUp() throws Exception {
+ root = new XmlNodeImpl();
+ root.name = new QName("http://ns", "e1", "p1");
+
+ XmlNodeImpl e11 = new XmlNodeImpl();
+ e11.name = new QName("http://ns1", "e11", "p2");
+
+ XmlNodeImpl e12 = new XmlNodeImpl();
+ e12.name = new QName("http://ns", "e12");
+
+ root.children.add(e11);
+ root.children.add(e12);
+
+ XmlNodeImpl e121 = new XmlNodeImpl();
+ e121.name = new QName("http://ns", "e121");
+ e12.children.add(e121);
+
+ XmlNodeImpl e111 = new XmlNodeImpl();
+ e111.value = "MyText";
+ e11.children.add(e111);
+
+ XmlNodeImpl e13 = new XmlNodeImpl();
+ e13.value = XMLInputFactory.newInstance().createXMLStreamReader(new StringReader(IPO_XML));
+ root.children.add(e13);
+
+ }
+
+ @Test
+ public void testIterator() {
+ List<QName> elements = new ArrayList<QName>();
+ XmlNodeIterator i = new XmlNodeIterator(root);
+ for (; i.hasNext();) {
+ XmlNode e = i.next();
+ elements.add(e.getName());
+ }
+ // System.out.println(elements);
+ QName[] names =
+ {new QName("http://ns", "e1"), new QName("http://ns1", "e11"), null, null, new QName("http://ns1", "e11"),
+ new QName("http://ns", "e12"), new QName("http://ns", "e121"), new QName("http://ns", "e121"),
+ new QName("http://ns", "e12"), null, null, new QName("http://ns", "e1")};
+ Assert.assertEquals(Arrays.asList(names), elements);
+ }
+
+ @Test
+ public void testReader() throws Exception {
+ XmlTreeStreamReaderImpl reader = new XmlTreeStreamReaderImpl(root);
+ XMLStreamSerializer serializer = new XMLStreamSerializer();
+ StringWriter sw = new StringWriter();
+ XMLStreamWriter writer = XMLOutputFactory.newInstance().createXMLStreamWriter(sw);
+ serializer.serialize(reader, writer);
+ String xml = sw.toString();
+ XMLAssert.assertXMLEqual(XML_RESULT, xml);
+ }
+
+ private static class XmlNodeImpl implements XmlNode {
+ private List<XmlNode> children = new ArrayList<XmlNode>();
+ private List<XmlNode> attrs = new ArrayList<XmlNode>();
+ private Map<String, String> namespaces = new HashMap<String, String>();
+ private QName name;
+ private Object value = "123";
+
+ /**
+ * @see org.apache.tuscany.sca.databinding.xml.XmlNode#attributes()
+ */
+ public List<XmlNode> attributes() {
+ return attrs;
+ }
+
+ /**
+ * @see org.apache.tuscany.sca.databinding.xml.XmlNode#children()
+ */
+ public Iterator<XmlNode> children() {
+ return children.iterator();
+ }
+
+ /**
+ * @see org.apache.tuscany.sca.databinding.xml.XmlNode#getName()
+ */
+ public QName getName() {
+ return name;
+ }
+
+ /**
+ * @see org.apache.tuscany.sca.databinding.xml.XmlNode#getValue()
+ */
+ public <T> T getValue() {
+ return (T)value;
+ }
+
+ /**
+ * @see org.apache.tuscany.sca.databinding.xml.XmlNode#namespaces()
+ */
+ public Map<String, String> namespaces() {
+ return namespaces;
+ }
+
+ @Override
+ public String toString() {
+ return String.valueOf(name);
+ }
+
+ public Type getType() {
+ if (value instanceof XMLStreamReader) {
+ return Type.READER;
+ }
+ return name == null ? Type.CHARACTERS : Type.ELEMENT;
+ }
+
+ }
+}