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/*
* 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.
*/
/*
* $Id: ElemLiteralResult.java 476350 2006-11-17 22:53:23Z minchau $
*/
package org.apache.xalan.templates;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import javax.xml.transform.TransformerException;
import org.apache.xalan.res.XSLMessages;
import org.apache.xalan.res.XSLTErrorResources;
import org.apache.xalan.transformer.TransformerImpl;
import org.apache.xml.serializer.SerializationHandler;
import org.apache.xml.utils.StringVector;
import org.apache.xpath.XPathContext;
import org.w3c.dom.Attr;
import org.w3c.dom.DOMException;
import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.w3c.dom.NamedNodeMap;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;
import org.w3c.dom.TypeInfo;
import org.w3c.dom.UserDataHandler;
import org.xml.sax.SAXException;
/**
* Implement a Literal Result Element.
* @see literal-result-element in XSLT Specification
* @xsl.usage advanced
*/
public class ElemLiteralResult extends ElemUse
{
static final long serialVersionUID = -8703409074421657260L;
/** The return value as Empty String. */
private static final String EMPTYSTRING = "";
/**
* Tells if this element represents a root element
* that is also the stylesheet element.
* TODO: This should be a derived class.
* @serial
*/
private boolean isLiteralResultAsStylesheet = false;
/**
* Set whether this element represents a root element
* that is also the stylesheet element.
*
*
* @param b boolean flag indicating whether this element
* represents a root element that is also the stylesheet element.
*/
public void setIsLiteralResultAsStylesheet(boolean b)
{
isLiteralResultAsStylesheet = b;
}
/**
* Return whether this element represents a root element
* that is also the stylesheet element.
*
*
* @return boolean flag indicating whether this element
* represents a root element that is also the stylesheet element.
*/
public boolean getIsLiteralResultAsStylesheet()
{
return isLiteralResultAsStylesheet;
}
/**
* This function is called after everything else has been
* recomposed, and allows the template to set remaining
* values that may be based on some other property that
* depends on recomposition.
*/
public void compose(StylesheetRoot sroot) throws TransformerException
{
super.compose(sroot);
StylesheetRoot.ComposeState cstate = sroot.getComposeState();
java.util.Vector vnames = cstate.getVariableNames();
if (null != m_avts)
{
int nAttrs = m_avts.size();
for (int i = (nAttrs - 1); i >= 0; i--)
{
AVT avt = (AVT) m_avts.get(i);
avt.fixupVariables(vnames, cstate.getGlobalsSize());
}
}
}
/**
* The created element node will have the attribute nodes
* that were present on the element node in the stylesheet tree,
* other than attributes with names in the XSLT namespace.
* @serial
*/
private List m_avts = null;
/** List of attributes with the XSLT namespace.
* @serial */
private List m_xslAttr = null;
/**
* Set a literal result attribute (AVTs only).
*
* @param avt literal result attribute to add (AVT only)
*/
public void addLiteralResultAttribute(AVT avt)
{
if (null == m_avts)
m_avts = new ArrayList();
m_avts.add(avt);
}
/**
* Set a literal result attribute (used for xsl attributes).
*
* @param att literal result attribute to add
*/
public void addLiteralResultAttribute(String att)
{
if (null == m_xslAttr)
m_xslAttr = new ArrayList();
m_xslAttr.add(att);
}
/**
* Set the "xml:space" attribute.
* A text node is preserved if an ancestor element of the text node
* has an xml:space attribute with a value of preserve, and
* no closer ancestor element has xml:space with a value of default.
* @see strip in XSLT Specification
* @see section-Creating-Text in XSLT Specification
*
* @param avt Enumerated value, either Constants.ATTRVAL_PRESERVE
* or Constants.ATTRVAL_STRIP.
*/
public void setXmlSpace(AVT avt)
{
// This function is a bit-o-hack, I guess...
addLiteralResultAttribute(avt);
String val = avt.getSimpleString();
if(val.equals("default"))
{
super.setXmlSpace(Constants.ATTRVAL_STRIP);
}
else if(val.equals("preserve"))
{
super.setXmlSpace(Constants.ATTRVAL_PRESERVE);
}
// else maybe it's a real AVT, so we can't resolve it at this time.
}
/**
* Get a literal result attribute by name.
*
* @param namespaceURI Namespace URI of attribute node to get
* @param localName Local part of qualified name of attribute node to get
*
* @return literal result attribute (AVT)
*/
public AVT getLiteralResultAttributeNS(String namespaceURI, String localName)
{
if (null != m_avts)
{
int nAttrs = m_avts.size();
for (int i = (nAttrs - 1); i >= 0; i--)
{
AVT avt = (AVT) m_avts.get(i);
if (avt.getName().equals(localName) &&
avt.getURI().equals(namespaceURI))
{
return avt;
}
} // end for
}
return null;
}
/**
* Return the raw value of the attribute.
*
* @param namespaceURI Namespace URI of attribute node to get
* @param localName Local part of qualified name of attribute node to get
*
* @return The Attr value as a string, or the empty string if that attribute
* does not have a specified or default value
*/
public String getAttributeNS(String namespaceURI, String localName)
{
AVT avt = getLiteralResultAttributeNS(namespaceURI, localName);
if ((null != avt))
{
return avt.getSimpleString();
}
return EMPTYSTRING;
}
/**
* Get a literal result attribute by name. The name is namespaceURI:localname
* if namespace is not null.
*
* @param name Name of literal result attribute to get
*
* @return literal result attribute (AVT)
*/
public AVT getLiteralResultAttribute(String name)
{
if (null != m_avts)
{
int nAttrs = m_avts.size();
String namespace = null;
for (int i = (nAttrs - 1); i >= 0; i--)
{
AVT avt = (AVT) m_avts.get(i);
namespace = avt.getURI();
if ((namespace != null && (!namespace.equals("")) && (namespace
+":"+avt.getName()).equals(name))|| ((namespace == null ||
namespace.equals(""))&& avt.getRawName().equals(name)))
{
return avt;
}
} // end for
}
return null;
}
/**
* Return the raw value of the attribute.
*
* @param namespaceURI:localName or localName if the namespaceURI is null of
* the attribute to get
*
* @return The Attr value as a string, or the empty string if that attribute
* does not have a specified or default value
*/
public String getAttribute(String rawName)
{
AVT avt = getLiteralResultAttribute(rawName);
if ((null != avt))
{
return avt.getSimpleString();
}
return EMPTYSTRING;
}
/**
* Get whether or not the passed URL is flagged by
* the "extension-element-prefixes" or "exclude-result-prefixes"
* properties.
* @see extension-element in XSLT Specification
*
* @param prefix non-null reference to prefix that might be excluded.(not currently used)
* @param uri reference to namespace that prefix maps to
*
* @return true if the prefix should normally be excluded.
*/
public boolean containsExcludeResultPrefix(String prefix, String uri)
{
if (uri == null ||
(null == m_excludeResultPrefixes &&
null == m_ExtensionElementURIs)
)
return super.containsExcludeResultPrefix(prefix, uri);
if (prefix.length() == 0)
prefix = Constants.ATTRVAL_DEFAULT_PREFIX;
// This loop is ok here because this code only runs during
// stylesheet compile time.
if(m_excludeResultPrefixes!=null)
for (int i =0; i< m_excludeResultPrefixes.size(); i++)
{
if (uri.equals(getNamespaceForPrefix(m_excludeResultPrefixes.elementAt(i))))
return true;
}
// JJK Bugzilla 1133: Also check locally-scoped extensions
if(m_ExtensionElementURIs!=null && m_ExtensionElementURIs.contains(uri))
return true;
return super.containsExcludeResultPrefix(prefix, uri);
}
/**
* Augment resolvePrefixTables, resolving the namespace aliases once
* the superclass has resolved the tables.
*
* @throws TransformerException
*/
public void resolvePrefixTables() throws TransformerException
{
super.resolvePrefixTables();
StylesheetRoot stylesheet = getStylesheetRoot();
if ((null != m_namespace) && (m_namespace.length() > 0))
{
NamespaceAlias nsa = stylesheet.getNamespaceAliasComposed(m_namespace);
if (null != nsa)
{
m_namespace = nsa.getResultNamespace();
// String resultPrefix = nsa.getResultPrefix();
String resultPrefix = nsa.getStylesheetPrefix(); // As per xsl WG, Mike Kay
if ((null != resultPrefix) && (resultPrefix.length() > 0))
m_rawName = resultPrefix + ":" + m_localName;
else
m_rawName = m_localName;
}
}
if (null != m_avts)
{
int n = m_avts.size();
for (int i = 0; i < n; i++)
{
AVT avt = (AVT) m_avts.get(i);
// Should this stuff be a method on AVT?
String ns = avt.getURI();
if ((null != ns) && (ns.length() > 0))
{
NamespaceAlias nsa =
stylesheet.getNamespaceAliasComposed(m_namespace); // %REVIEW% ns?
if (null != nsa)
{
String namespace = nsa.getResultNamespace();
// String resultPrefix = nsa.getResultPrefix();
String resultPrefix = nsa.getStylesheetPrefix(); // As per XSL WG
String rawName = avt.getName();
if ((null != resultPrefix) && (resultPrefix.length() > 0))
rawName = resultPrefix + ":" + rawName;
avt.setURI(namespace);
avt.setRawName(rawName);
}
}
}
}
}
/**
* Return whether we need to check namespace prefixes
* against the exclude result prefixes or extensions lists.
* Note that this will create a new prefix table if one
* has not been created already.
*
* NEEDSDOC ($objectName$) @return
*/
boolean needToCheckExclude()
{
if (null == m_excludeResultPrefixes && null == getPrefixTable()
&& m_ExtensionElementURIs==null // JJK Bugzilla 1133
)
return false;
else
{
// Create a new prefix table if one has not already been created.
if (null == getPrefixTable())
setPrefixTable(new java.util.ArrayList());
return true;
}
}
/**
* The namespace of the element to be created.
* @serial
*/
private String m_namespace;
/**
* Set the namespace URI of the result element to be created.
* Note that after resolvePrefixTables has been called, this will
* return the aliased result namespace, not the original stylesheet
* namespace.
*
* @param ns The Namespace URI, or the empty string if the
* element has no Namespace URI.
*/
public void setNamespace(String ns)
{
if(null == ns) // defensive, shouldn't have to do this.
ns = "";
m_namespace = ns;
}
/**
* Get the original namespace of the Literal Result Element.
*
* %REVIEW% Why isn't this overriding the getNamespaceURI method
* rather than introducing a new one?
*
* @return The Namespace URI, or the empty string if the
* element has no Namespace URI.
*/
public String getNamespace()
{
return m_namespace;
}
/**
* The local name of the element to be created.
* @serial
*/
private String m_localName;
/**
* Set the local name of the LRE.
*
* @param localName The local name (without prefix) of the result element
* to be created.
*/
public void setLocalName(String localName)
{
m_localName = localName;
}
/**
* Get the local name of the Literal Result Element.
* Note that after resolvePrefixTables has been called, this will
* return the aliased name prefix, not the original stylesheet
* namespace prefix.
*
* @return The local name (without prefix) of the result element
* to be created.
*/
public String getLocalName()
{
return m_localName;
}
/**
* The raw name of the element to be created.
* @serial
*/
private String m_rawName;
/**
* Set the raw name of the LRE.
*
* @param rawName The qualified name (with prefix), or the
* empty string if qualified names are not available.
*/
public void setRawName(String rawName)
{
m_rawName = rawName;
}
/**
* Get the raw name of the Literal Result Element.
*
* @return The qualified name (with prefix), or the
* empty string if qualified names are not available.
*/
public String getRawName()
{
return m_rawName;
}
/**
* Get the prefix part of the raw name of the Literal Result Element.
*
* @return The prefix, or the empty string if noprefix was provided.
*/
public String getPrefix()
{
int len=m_rawName.length()-m_localName.length()-1;
return (len>0)
? m_rawName.substring(0,len)
: "";
}
/**
* The "extension-element-prefixes" property, actually contains URIs.
* @serial
*/
private StringVector m_ExtensionElementURIs;
/**
* Set the "extension-element-prefixes" property.
* @see extension-element in XSLT Specification
*
* @param v Vector of URIs (not prefixes) to set as the "extension-element-prefixes" property
*/
public void setExtensionElementPrefixes(StringVector v)
{
m_ExtensionElementURIs = v;
}
/**
* @see org.w3c.dom.Node
*
* @return NamedNodeMap
*/
public NamedNodeMap getAttributes()
{
return new LiteralElementAttributes();
}
public class LiteralElementAttributes implements NamedNodeMap{
private int m_count = -1;
/**
* Construct a NameNodeMap.
*
*/
public LiteralElementAttributes(){
}
/**
* Return the number of Attributes on this Element
*
* @return The number of nodes in this map. The range of valid child
* node indices is 0 to length-1 inclusive
*/
public int getLength()
{
if (m_count == -1)
{
if (null != m_avts) m_count = m_avts.size();
else m_count = 0;
}
return m_count;
}
/**
* Retrieves a node specified by name.
* @param name The nodeName of a node to retrieve.
* @return A Node (of any type) with the specified
* nodeName, or null if it does not
* identify any node in this map.
*/
public Node getNamedItem(String name)
{
if (getLength() == 0) return null;
String uri = null;
String localName = name;
int index = name.indexOf(":");
if (-1 != index){
uri = name.substring(0, index);
localName = name.substring(index+1);
}
Node retNode = null;
Iterator eum = m_avts.iterator();
while (eum.hasNext()){
AVT avt = (AVT) eum.next();
if (localName.equals(avt.getName()))
{
String nsURI = avt.getURI();
if ((uri == null && nsURI == null)
|| (uri != null && uri.equals(nsURI)))
{
retNode = new Attribute(avt, ElemLiteralResult.this);
break;
}
}
}
return retNode;
}
/**
* Retrieves a node specified by local name and namespace URI.
* @param namespaceURI Namespace URI of attribute node to get
* @param localName Local part of qualified name of attribute node to
* get
* @return A Node (of any type) with the specified
* nodeName, or null if it does not
* identify any node in this map.
*/
public Node getNamedItemNS(String namespaceURI, String localName)
{
if (getLength() == 0) return null;
Node retNode = null;
Iterator eum = m_avts.iterator();
while (eum.hasNext())
{
AVT avt = (AVT) eum.next();
if (localName.equals(avt.getName()))
{
String nsURI = avt.getURI();
if ((namespaceURI == null && nsURI == null)
|| (namespaceURI != null && namespaceURI.equals(nsURI)))
{
retNode = new Attribute(avt, ElemLiteralResult.this);
break;
}
}
}
return retNode;
}
/**
* Returns the indexth item in the map. If index
* is greater than or equal to the number of nodes in this
* map, this returns null.
* @param i The index of the requested item.
* @return The node at the indexth position in the map,
* or null if that is not a valid index.
*/
public Node item(int i)
{
if (getLength() == 0 || i >= m_avts.size()) return null;
else return
new Attribute(((AVT)m_avts.get(i)),
ElemLiteralResult.this);
}
/**
* @see org.w3c.dom.NamedNodeMap
*
* @param name of the node to remove
*
* @return The node removed from this map if a node with such
* a name exists.
*
* @throws DOMException
*/
public Node removeNamedItem(String name) throws DOMException
{
throwDOMException(DOMException.NO_MODIFICATION_ALLOWED_ERR,
XSLTErrorResources.NO_MODIFICATION_ALLOWED_ERR);
return null;
}
/**
* @see org.w3c.dom.NamedNodeMap
*
* @param namespaceURI Namespace URI of the node to remove
* @param localName Local part of qualified name of the node to remove
*
* @return The node removed from this map if a node with such a local
* name and namespace URI exists
*
* @throws DOMException
*/
public Node removeNamedItemNS(String namespaceURI, String localName)
throws DOMException
{
throwDOMException(DOMException.NO_MODIFICATION_ALLOWED_ERR,
XSLTErrorResources.NO_MODIFICATION_ALLOWED_ERR);
return null;
}
/**
* Unimplemented. See org.w3c.dom.NamedNodeMap
*
* @param A node to store in this map
*
* @return If the new Node replaces an existing node the replaced
* Node is returned, otherwise null is returned
*
* @throws DOMException
*/
public Node setNamedItem(Node arg) throws DOMException
{
throwDOMException(DOMException.NO_MODIFICATION_ALLOWED_ERR,
XSLTErrorResources.NO_MODIFICATION_ALLOWED_ERR);
return null;
}
/**
* Unimplemented. See org.w3c.dom.NamedNodeMap
*
* @param A node to store in this map
*
* @return If the new Node replaces an existing node the replaced
* Node is returned, otherwise null is returned
*
* @throws DOMException
*/
public Node setNamedItemNS(Node arg) throws DOMException
{
throwDOMException(DOMException.NO_MODIFICATION_ALLOWED_ERR,
XSLTErrorResources.NO_MODIFICATION_ALLOWED_ERR);
return null;
}
}
public class Attribute implements Attr{
private AVT m_attribute;
private Element m_owner = null;
/**
* Construct a Attr.
*
*/
public Attribute(AVT avt, Element elem){
m_attribute = avt;
m_owner = elem;
}
/**
* @see org.w3c.dom.Node
*
* @param newChild New node to append to the list of this node's
* children
*
*
* @throws DOMException
*/
public Node appendChild(Node newChild) throws DOMException
{
throwDOMException(DOMException.NO_MODIFICATION_ALLOWED_ERR,
XSLTErrorResources.NO_MODIFICATION_ALLOWED_ERR);
return null;
}
/**
* @see org.w3c.dom.Node
*
* @param deep Flag indicating whether to clone deep
* (clone member variables)
*
* @return Returns a duplicate of this node
*/
public Node cloneNode(boolean deep)
{
return new Attribute(m_attribute, m_owner);
}
/**
* @see org.w3c.dom.Node
*
* @return null
*/
public NamedNodeMap getAttributes()
{
return null;
}
/**
* @see org.w3c.dom.Node
*
* @return a NodeList containing no nodes.
*/
public NodeList getChildNodes()
{
return new NodeList(){
public int getLength(){
return 0;
}
public Node item(int index){
return null;
}
};
}
/**
* @see org.w3c.dom.Node
*
* @return null
*/
public Node getFirstChild()
{
return null;
}
/**
* @see org.w3c.dom.Node
*
* @return null
*/
public Node getLastChild()
{
return null;
}
/**
* @see org.w3c.dom.Node
*
* @return the local part of the qualified name of this node
*/
public String getLocalName()
{
return m_attribute.getName();
}
/**
* @see org.w3c.dom.Node
*
* @return The namespace URI of this node, or null if it is
* unspecified
*/
public String getNamespaceURI()
{
String uri = m_attribute.getURI();
return (uri.equals(""))?null:uri;
}
/**
* @see org.w3c.dom.Node
*
* @return null
*/
public Node getNextSibling()
{
return null;
}
/**
* @see org.w3c.dom.Node
*
* @return The name of the attribute
*/
public String getNodeName()
{
String uri = m_attribute.getURI();
String localName = getLocalName();
return (uri.equals(""))?localName:uri+":"+localName;
}
/**
* @see org.w3c.dom.Node
*
* @return The node is an Attr
*/
public short getNodeType()
{
return ATTRIBUTE_NODE;
}
/**
* @see org.w3c.dom.Node
*
* @return The value of the attribute
*
* @throws DOMException
*/
public String getNodeValue() throws DOMException
{
return m_attribute.getSimpleString();
}
/**
* @see org.w3c.dom.Node
*
* @return null
*/
public Document getOwnerDocument()
{
return m_owner.getOwnerDocument();
}
/**
* @see org.w3c.dom.Node
*
* @return the containing element node
*/
public Node getParentNode()
{
return m_owner;
}
/**
* @see org.w3c.dom.Node
*
* @return The namespace prefix of this node, or null if it is
* unspecified
*/
public String getPrefix()
{
String uri = m_attribute.getURI();
String rawName = m_attribute.getRawName();
return (uri.equals(""))?
null:rawName.substring(0, rawName.indexOf(":"));
}
/**
* @see org.w3c.dom.Node
*
* @return null
*/
public Node getPreviousSibling()
{
return null;
}
/**
* @see org.w3c.dom.Node
*
* @return false
*/
public boolean hasAttributes()
{
return false;
}
/**
* @see org.w3c.dom.Node
*
* @return false
*/
public boolean hasChildNodes()
{
return false;
}
/**
* @see org.w3c.dom.Node
*
* @param newChild New child node to insert
* @param refChild Insert in front of this child
*
* @return null
*
* @throws DOMException
*/
public Node insertBefore(Node newChild, Node refChild)
throws DOMException
{
throwDOMException(DOMException.NO_MODIFICATION_ALLOWED_ERR,
XSLTErrorResources.NO_MODIFICATION_ALLOWED_ERR);
return null;
}
/**
* @see org.w3c.dom.Node
*
* @return Returns false
* @since DOM Level 2
*/
public boolean isSupported(String feature, String version)
{
return false;
}
/** @see org.w3c.dom.Node */
public void normalize(){}
/**
* @see org.w3c.dom.Node
*
* @param oldChild Child to be removed
*
* @return null
*
* @throws DOMException
*/
public Node removeChild(Node oldChild) throws DOMException
{
throwDOMException(DOMException.NO_MODIFICATION_ALLOWED_ERR,
XSLTErrorResources.NO_MODIFICATION_ALLOWED_ERR);
return null;
}
/**
* @see org.w3c.dom.Node
*
* @param newChild Replace existing child with this one
* @param oldChild Existing child to be replaced
*
* @return null
*
* @throws DOMException
*/
public Node replaceChild(Node newChild, Node oldChild) throws DOMException
{
throwDOMException(DOMException.NO_MODIFICATION_ALLOWED_ERR,
XSLTErrorResources.NO_MODIFICATION_ALLOWED_ERR);
return null;
}
/**
* @see org.w3c.dom.Node
*
* @param nodeValue Value to set this node to
*
* @throws DOMException
*/
public void setNodeValue(String nodeValue) throws DOMException
{
throwDOMException(DOMException.NO_MODIFICATION_ALLOWED_ERR,
XSLTErrorResources.NO_MODIFICATION_ALLOWED_ERR);
}
/**
* @see org.w3c.dom.Node
*
* @param prefix Prefix to set for this node
*
* @throws DOMException
*/
public void setPrefix(String prefix) throws DOMException
{
throwDOMException(DOMException.NO_MODIFICATION_ALLOWED_ERR,
XSLTErrorResources.NO_MODIFICATION_ALLOWED_ERR);
}
/**
*
* @return The name of this attribute
*/
public String getName(){
return m_attribute.getName();
}
/**
*
* @return The value of this attribute returned as string
*/
public String getValue(){
return m_attribute.getSimpleString();
}
/**
*
* @return The Element node this attribute is attached to
* or null if this attribute is not in use
*/
public Element getOwnerElement(){
return m_owner;
}
/**
*
* @return true
*/
public boolean getSpecified(){
return true;
}
/**
* @see org.w3c.dom.Attr
*
* @param value Value to set this node to
*
* @throws DOMException
*/
public void setValue(String value) throws DOMException
{
throwDOMException(DOMException.NO_MODIFICATION_ALLOWED_ERR,
XSLTErrorResources.NO_MODIFICATION_ALLOWED_ERR);
}
public TypeInfo getSchemaTypeInfo() { return null; }
public boolean isId( ) { return false; }
public Object setUserData(String key,
Object data,
UserDataHandler handler) {
return getOwnerDocument().setUserData( key, data, handler);
}
public Object getUserData(String key) {
return getOwnerDocument().getUserData( key);
}
public Object getFeature(String feature, String version) {
return isSupported(feature, version) ? this : null;
}
public boolean isEqualNode(Node arg) {
return arg == this;
}
public String lookupNamespaceURI(String specifiedPrefix) {
return null;
}
public boolean isDefaultNamespace(String namespaceURI) {
return false;
}
public String lookupPrefix(String namespaceURI) {
return null;
}
public boolean isSameNode(Node other) {
// we do not use any wrapper so the answer is obvious
return this == other;
}
public void setTextContent(String textContent)
throws DOMException {
setNodeValue(textContent);
}
public String getTextContent() throws DOMException {
return getNodeValue(); // overriden in some subclasses
}
public short compareDocumentPosition(Node other) throws DOMException {
return 0;
}
public String getBaseURI() {
return null;
}
}
/**
* Get an "extension-element-prefix" property.
* @see extension-element in XSLT Specification
*
* @param i Index of URI ("extension-element-prefix" property) to get
*
* @return URI at given index ("extension-element-prefix" property)
*
* @throws ArrayIndexOutOfBoundsException
*/
public String getExtensionElementPrefix(int i)
throws ArrayIndexOutOfBoundsException
{
if (null == m_ExtensionElementURIs)
throw new ArrayIndexOutOfBoundsException();
return m_ExtensionElementURIs.elementAt(i);
}
/**
* Get the number of "extension-element-prefixes" Strings.
* @see extension-element in XSLT Specification
*
* @return the number of "extension-element-prefixes" Strings
*/
public int getExtensionElementPrefixCount()
{
return (null != m_ExtensionElementURIs)
? m_ExtensionElementURIs.size() : 0;
}
/**
* Find out if the given "extension-element-prefix" property is defined.
* @see extension-element in XSLT Specification
*
* @param uri The URI to find
*
* @return True if the given URI is found
*/
public boolean containsExtensionElementURI(String uri)
{
if (null == m_ExtensionElementURIs)
return false;
return m_ExtensionElementURIs.contains(uri);
}
/**
* Get an int constant identifying the type of element.
* @see org.apache.xalan.templates.Constants
*
* @return The token ID for this element
*/
public int getXSLToken()
{
return Constants.ELEMNAME_LITERALRESULT;
}
/**
* Return the node name.
*
* @return The element's name
*/
public String getNodeName()
{
// TODO: Need prefix.
return m_rawName;
}
/**
* The XSLT version as specified by this element.
* @serial
*/
private String m_version;
/**
* Set the "version" property.
* @see forwards in XSLT Specification
*
* @param v Version property value to set
*/
public void setVersion(String v)
{
m_version = v;
}
/**
* Get the "version" property.
* @see forwards in XSLT Specification
*
* @return Version property value
*/
public String getVersion()
{
return m_version;
}
/**
* The "exclude-result-prefixes" property.
* @serial
*/
private StringVector m_excludeResultPrefixes;
/**
* Set the "exclude-result-prefixes" property.
* The designation of a namespace as an excluded namespace is
* effective within the subtree of the stylesheet rooted at
* the element bearing the exclude-result-prefixes or
* xsl:exclude-result-prefixes attribute; a subtree rooted
* at an xsl:stylesheet element does not include any stylesheets
* imported or included by children of that xsl:stylesheet element.
* @see literal-result-element in XSLT Specification
*
* @param v vector of prefixes that are resolvable to strings.
*/
public void setExcludeResultPrefixes(StringVector v)
{
m_excludeResultPrefixes = v;
}
/**
* Tell if the result namespace decl should be excluded. Should be called before
* namespace aliasing (I think).
*
* @param prefix Prefix of namespace to check
* @param uri URI of namespace to check
*
* @return True if the given namespace should be excluded
*
* @throws TransformerException
*/
private boolean excludeResultNSDecl(String prefix, String uri)
throws TransformerException
{
if (null != m_excludeResultPrefixes)
{
return containsExcludeResultPrefix(prefix, uri);
}
return false;
}
/**
* Copy a Literal Result Element into the Result tree, copy the
* non-excluded namespace attributes, copy the attributes not
* of the XSLT namespace, and execute the children of the LRE.
* @see literal-result-element in XSLT Specification
*
* @param transformer non-null reference to the the current transform-time state.
*
* @throws TransformerException
*/
public void execute(TransformerImpl transformer)
throws TransformerException
{
SerializationHandler rhandler = transformer.getSerializationHandler();
try
{
// JJK Bugzilla 3464, test namespace85 -- make sure LRE's
// namespace is asserted even if default, since xsl:element
// may have changed the context.
rhandler.startPrefixMapping(getPrefix(), getNamespace());
// Add namespace declarations.
executeNSDecls(transformer);
rhandler.startElement(getNamespace(), getLocalName(), getRawName());
}
catch (SAXException se)
{
throw new TransformerException(se);
}
/*
* If we make it to here we have done a successful startElement()
* we will do an endElement() call for balance, no matter what happens
* in the middle.
*/
// tException remembers if we had an exception "in the middle"
TransformerException tException = null;
try
{
// Process any possible attributes from xsl:use-attribute-sets first
super.execute(transformer);
//xsl:version, excludeResultPrefixes???
// Process the list of avts next
if (null != m_avts)
{
int nAttrs = m_avts.size();
for (int i = (nAttrs - 1); i >= 0; i--)
{
AVT avt = (AVT) m_avts.get(i);
XPathContext xctxt = transformer.getXPathContext();
int sourceNode = xctxt.getCurrentNode();
String stringedValue =
avt.evaluate(xctxt, sourceNode, this);
if (null != stringedValue)
{
// Important Note: I'm not going to check for excluded namespace
// prefixes here. It seems like it's too expensive, and I'm not
// even sure this is right. But I could be wrong, so this needs
// to be tested against other implementations.
rhandler.addAttribute(
avt.getURI(),
avt.getName(),
avt.getRawName(),
"CDATA",
stringedValue, false);
}
} // end for
}
// Now process all the elements in this subtree
// TODO: Process m_extensionElementPrefixes && m_attributeSetsNames
transformer.executeChildTemplates(this, true);
}
catch (TransformerException te)
{
// thrown in finally to prevent original exception consumed by subsequent exceptions
tException = te;
}
catch (SAXException se)
{
tException = new TransformerException(se);
}
try
{
/* we need to do this endElement() to balance the
* successful startElement() call even if
* there was an exception in the middle.
* Otherwise an exception in the middle could cause a system to hang.
*/
rhandler.endElement(getNamespace(), getLocalName(), getRawName());
}
catch (SAXException se)
{
/* we did call endElement(). If thee was an exception
* in the middle throw that one, otherwise if there
* was an exception from endElement() throw that one.
*/
if (tException != null)
throw tException;
else
throw new TransformerException(se);
}
/* If an exception was thrown in the middle but not with startElement() or
* or endElement() then its time to let it percolate.
*/
if (tException != null)
throw tException;
unexecuteNSDecls(transformer);
// JJK Bugzilla 3464, test namespace85 -- balance explicit start.
try
{
rhandler.endPrefixMapping(getPrefix());
}
catch (SAXException se)
{
throw new TransformerException(se);
}
}
/**
* Compiling templates requires that we be able to list the AVTs
* ADDED 9/5/2000 to support compilation experiment
*
* @return an Enumeration of the literal result attributes associated
* with this element.
*/
public Iterator enumerateLiteralResultAttributes()
{
return (null == m_avts) ? null : m_avts.iterator();
}
/**
* Accept a visitor and call the appropriate method
* for this class.
*
* @param visitor The visitor whose appropriate method will be called.
* @return true if the children of the object should be visited.
*/
protected boolean accept(XSLTVisitor visitor)
{
return visitor.visitLiteralResultElement(this);
}
/**
* Call the children visitors.
* @param visitor The visitor whose appropriate method will be called.
*/
protected void callChildVisitors(XSLTVisitor visitor, boolean callAttrs)
{
if (callAttrs && null != m_avts)
{
int nAttrs = m_avts.size();
for (int i = (nAttrs - 1); i >= 0; i--)
{
AVT avt = (AVT) m_avts.get(i);
avt.callVisitors(visitor);
}
}
super.callChildVisitors(visitor, callAttrs);
}
/**
* Throw a DOMException
*
* @param msg key of the error that occured.
*/
public void throwDOMException(short code, String msg)
{
String themsg = XSLMessages.createMessage(msg, null);
throw new DOMException(code, themsg);
}
}
