| /* |
| * 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 <a href="http://www.w3.org/TR/xslt#literal-result-element">literal-result-element in XSLT Specification</a> |
| * @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 <a href="http://www.w3.org/TR/xslt#strip">strip in XSLT Specification</a> |
| * @see <a href="http://www.w3.org/TR/xslt#section-Creating-Text">section-Creating-Text in XSLT Specification</a> |
| * |
| * @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 <a href="http://www.w3.org/TR/xslt#extension-element">extension-element in XSLT Specification</a> |
| * |
| * @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 <a href="http://www.w3.org/TR/xslt#extension-element">extension-element in XSLT Specification</a> |
| * |
| * @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 <code>0</code> to <code>length-1</code> 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 <code>nodeName</code> of a node to retrieve. |
| * @return A <code>Node</code> (of any type) with the specified |
| * <code>nodeName</code>, or <code>null</code> 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 <code>Node</code> (of any type) with the specified |
| * <code>nodeName</code>, or <code>null</code> 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 <code>index</code>th item in the map. If <code>index |
| * </code> is greater than or equal to the number of nodes in this |
| * map, this returns <code>null</code>. |
| * @param i The index of the requested item. |
| * @return The node at the <code>index</code>th position in the map, |
| * or <code>null</code> 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 <code>false</code> |
| * @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 <a href="http://www.w3.org/TR/xslt#extension-element">extension-element in XSLT Specification</a> |
| * |
| * @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 <a href="http://www.w3.org/TR/xslt#extension-element">extension-element in XSLT Specification</a> |
| * |
| * @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 <a href="http://www.w3.org/TR/xslt#extension-element">extension-element in XSLT Specification</a> |
| * |
| * @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 <a href="http://www.w3.org/TR/xslt#forwards">forwards in XSLT Specification</a> |
| * |
| * @param v Version property value to set |
| */ |
| public void setVersion(String v) |
| { |
| m_version = v; |
| } |
| |
| /** |
| * Get the "version" property. |
| * @see <a href="http://www.w3.org/TR/xslt#forwards">forwards in XSLT Specification</a> |
| * |
| * @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 <a href="http://www.w3.org/TR/xslt#literal-result-element">literal-result-element in XSLT Specification</a> |
| * |
| * @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 <a href="http://www.w3.org/TR/xslt#literal-result-element">literal-result-element in XSLT Specification</a> |
| * |
| * @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); |
| } |
| |
| } |