- /*
- * The Apache Software License, Version 1.1
- *
- *
- * Copyright (c) 1999-2002 The Apache Software Foundation. All rights
- * reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
- * distribution.
- *
- * 3. The end-user documentation included with the redistribution,
- * if any, must include the following acknowledgment:
- * "This product includes software developed by the
- * Apache Software Foundation (http://www.apache.org/)."
- * Alternately, this acknowledgment may appear in the software itself,
- * if and wherever such third-party acknowledgments normally appear.
- *
- * 4. The names "Xerces" and "Apache Software Foundation" must
- * not be used to endorse or promote products derived from this
- * software without prior written permission. For written
- * permission, please contact apache@apache.org.
- *
- * 5. Products derived from this software may not be called "Apache",
- * nor may "Apache" appear in their name, without prior written
- * permission of the Apache Software Foundation.
- *
- * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
- * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
- * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
- * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
- * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
- * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
- * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- * ====================================================================
- *
- * This software consists of voluntary contributions made by many
- * individuals on behalf of the Apache Software Foundation and was
- * originally based on software copyright (c) 1999, International
- * Business Machines, Inc., http://www.apache.org. For more
- * information on the Apache Software Foundation, please see
- * <http://www.apache.org/>.
- */
-
- package com.sun.org.apache.xerces.internal.dom;
-
- import com.sun.org.apache.xerces.internal.xs.XSTypeDefinition;
- import com.sun.org.apache.xerces.internal.util.URI;
- import com.sun.org.apache.xerces.internal.xni.NamespaceContext;
- import org.w3c.dom.Attr;
- import org.w3c.dom.DOMException;
- import org.w3c.dom.TypeInfo;
-
-
-
- /**
- * ElementNSImpl inherits from ElementImpl and adds namespace support.
- * <P>
- * The qualified name is the node name, and we store localName which is also
- * used in all queries. On the other hand we recompute the prefix when
- * necessary.
- * @author Elena litani, IBM
- * @author Neeraj Bajaj, Sun Microsystems
- * @version $Id: ElementNSImpl.java,v 1.41 2004/01/29 20:59:52 elena Exp $
- */
- public class ElementNSImpl
- extends ElementImpl {
-
- //
- // Constants
- //
-
- /** Serialization version. */
- static final long serialVersionUID = -9142310625494392642L;
- static final String xmlURI = "http://www.w3.org/XML/1998/namespace";
-
- //
- // Data
- //
-
- /** DOM2: Namespace URI. */
- protected String namespaceURI;
-
- /** DOM2: localName. */
- protected String localName;
-
- protected ElementNSImpl() {
- super();
- }
- /**
- * DOM2: Constructor for Namespace implementation.
- */
- protected ElementNSImpl(CoreDocumentImpl ownerDocument,
- String namespaceURI,
- String qualifiedName)
- throws DOMException
- {
- super(ownerDocument, qualifiedName);
- setName(namespaceURI, qualifiedName);
- }
-
- private void setName(String namespaceURI, String qname) {
-
- String prefix;
- // DOM Level 3: namespace URI is never empty string.
- this.namespaceURI = namespaceURI;
- if (namespaceURI != null) {
- //convert the empty string to 'null'
- this.namespaceURI = (namespaceURI.length() == 0) ? null : namespaceURI;
- }
-
- int colon1, colon2 ;
-
- //NAMESPACE_ERR:
- //1. if the qualified name is 'null' it is malformed.
- //2. or if the qualifiedName is null and the namespaceURI is different from null,
- // We dont need to check for namespaceURI != null, if qualified name is null throw DOMException.
- if(qname == null){
- String msg =
- DOMMessageFormatter.formatMessage(
- DOMMessageFormatter.DOM_DOMAIN,
- "NAMESPACE_ERR",
- null);
- throw new DOMException(DOMException.NAMESPACE_ERR, msg);
- }
- else{
- colon1 = qname.indexOf(':');
- colon2 = qname.lastIndexOf(':');
- }
- ownerDocument().checkNamespaceWF(qname, colon1, colon2);
- if (colon1 < 0) {
- // there is no prefix
- localName = qname;
- ownerDocument().checkQName(null, localName);
- if (qname.equals("xmlns")
- && (namespaceURI == null
- || !namespaceURI.equals(NamespaceContext.XMLNS_URI))
- || (namespaceURI!=null && namespaceURI.equals(NamespaceContext.XMLNS_URI)
- && !qname.equals("xmlns"))) {
- String msg =
- DOMMessageFormatter.formatMessage(
- DOMMessageFormatter.DOM_DOMAIN,
- "NAMESPACE_ERR",
- null);
- throw new DOMException(DOMException.NAMESPACE_ERR, msg);
- }
- }//there is a prefix
- else {
- prefix = qname.substring(0, colon1);
-
- //NAMESPACE_ERR:
- //1. if the qualifiedName has a prefix and the namespaceURI is null,
-
- //2. or if the qualifiedName has a prefix that is "xml" and the namespaceURI
- //is different from " http://www.w3.org/XML/1998/namespace"
-
- if( namespaceURI == null || ( prefix.equals("xml") && !namespaceURI.equals(NamespaceContext.XML_URI) )){
- String msg =
- DOMMessageFormatter.formatMessage(
- DOMMessageFormatter.DOM_DOMAIN,
- "NAMESPACE_ERR",
- null);
- throw new DOMException(DOMException.NAMESPACE_ERR, msg);
- }
-
- localName = qname.substring(colon2 + 1);
- ownerDocument().checkQName(prefix, localName);
- ownerDocument().checkDOMNSErr(prefix, namespaceURI);
- }
- }
-
- // when local name is known
- protected ElementNSImpl(CoreDocumentImpl ownerDocument,
- String namespaceURI, String qualifiedName,
- String localName)
- throws DOMException
- {
- super(ownerDocument, qualifiedName);
-
- this.localName = localName;
- this.namespaceURI = namespaceURI;
- }
-
- // for DeferredElementImpl
- protected ElementNSImpl(CoreDocumentImpl ownerDocument,
- String value) {
- super(ownerDocument, value);
- }
-
- // Support for DOM Level 3 renameNode method.
- // Note: This only deals with part of the pb. CoreDocumentImpl
- // does all the work.
- void rename(String namespaceURI, String qualifiedName)
- {
- if (needsSyncData()) {
- synchronizeData();
- }
- this.name = qualifiedName;
- setName(namespaceURI, qualifiedName);
- reconcileDefaultAttributes();
- }
-
- /**
- * NON-DOM: resets this node and sets specified values for the node
- *
- * @param ownerDocument
- * @param namespaceURI
- * @param qualifiedName
- * @param localName
- */
- protected void setValues (CoreDocumentImpl ownerDocument,
- String namespaceURI, String qualifiedName,
- String localName){
-
- // remove children first
- firstChild = null;
- previousSibling = null;
- nextSibling = null;
- fNodeListCache = null;
-
- // set owner document
- attributes = null;
- super.flags = 0;
- setOwnerDocument(ownerDocument);
-
- // synchronizeData will initialize attributes
- needsSyncData(true);
- super.name = qualifiedName;
- this.localName = localName;
- this.namespaceURI = namespaceURI;
-
- }
-
- //
- // Node methods
- //
-
-
-
- //
- //DOM2: Namespace methods.
- //
-
- /**
- * Introduced in DOM Level 2. <p>
- *
- * The namespace URI of this node, or null if it is unspecified.<p>
- *
- * This is not a computed value that is the result of a namespace lookup based on
- * an examination of the namespace declarations in scope. It is merely the
- * namespace URI given at creation time.<p>
- *
- * For nodes created with a DOM Level 1 method, such as createElement
- * from the Document interface, this is null.
- * @since WD-DOM-Level-2-19990923
- */
- public String getNamespaceURI()
- {
- if (needsSyncData()) {
- synchronizeData();
- }
- return namespaceURI;
- }
-
- /**
- * Introduced in DOM Level 2. <p>
- *
- * The namespace prefix of this node, or null if it is unspecified. <p>
- *
- * For nodes created with a DOM Level 1 method, such as createElement
- * from the Document interface, this is null. <p>
- *
- * @since WD-DOM-Level-2-19990923
- */
- public String getPrefix()
- {
-
- if (needsSyncData()) {
- synchronizeData();
- }
- int index = name.indexOf(':');
- return index < 0 ? null : name.substring(0, index);
- }
-
- /**
- * Introduced in DOM Level 2. <p>
- *
- * Note that setting this attribute changes the nodeName attribute, which holds the
- * qualified name, as well as the tagName and name attributes of the Element
- * and Attr interfaces, when applicable.<p>
- *
- * @param prefix The namespace prefix of this node, or null(empty string) if it is unspecified.
- *
- * @exception INVALID_CHARACTER_ERR
- * Raised if the specified
- * prefix contains an invalid character.
- * @exception DOMException
- * @since WD-DOM-Level-2-19990923
- */
- public void setPrefix(String prefix)
- throws DOMException
- {
- if (needsSyncData()) {
- synchronizeData();
- }
- if (ownerDocument().errorChecking) {
- if (isReadOnly()) {
- String msg = DOMMessageFormatter.formatMessage(DOMMessageFormatter.DOM_DOMAIN, "NO_MODIFICATION_ALLOWED_ERR", null);
- throw new DOMException(
- DOMException.NO_MODIFICATION_ALLOWED_ERR,
- msg);
- }
- if (prefix != null && prefix.length() != 0) {
- if (!CoreDocumentImpl.isXMLName(prefix,ownerDocument().isXML11Version())) {
- String msg = DOMMessageFormatter.formatMessage(DOMMessageFormatter.DOM_DOMAIN, "INVALID_CHARACTER_ERR", null);
- throw new DOMException(DOMException.INVALID_CHARACTER_ERR, msg);
- }
- if (namespaceURI == null || prefix.indexOf(':') >=0) {
- String msg = DOMMessageFormatter.formatMessage(DOMMessageFormatter.DOM_DOMAIN, "NAMESPACE_ERR", null);
- throw new DOMException(DOMException.NAMESPACE_ERR, msg);
- } else if (prefix.equals("xml")) {
- if (!namespaceURI.equals(xmlURI)) {
- String msg = DOMMessageFormatter.formatMessage(DOMMessageFormatter.DOM_DOMAIN, "NAMESPACE_ERR", null);
- throw new DOMException(DOMException.NAMESPACE_ERR, msg);
- }
- }
- }
- }
- // update node name with new qualifiedName
- if (prefix !=null && prefix.length() != 0) {
- name = prefix + ":" + localName;
- }
- else {
- name = localName;
- }
- }
-
- /**
- * Introduced in DOM Level 2. <p>
- *
- * Returns the local part of the qualified name of this node.
- * @since WD-DOM-Level-2-19990923
- */
- public String getLocalName()
- {
- if (needsSyncData()) {
- synchronizeData();
- }
- return localName;
- }
-
-
- /**
- * DOM Level 3 WD - Experimental.
- * Retrieve baseURI
- */
- public String getBaseURI() {
-
- if (needsSyncData()) {
- synchronizeData();
- }
-
- //Absolute base URI is computed according to XML Base (http://www.w3.org/TR/xmlbase/#granularity)
-
- //1. the base URI specified by an xml:base attribute on the element, if one exists
-
- if (attributes != null) {
- Attr attrNode = (Attr)attributes.getNamedItemNS("http://www.w3.org/XML/1998/namespace", "base");
- if (attrNode != null) {
- String uri = attrNode.getNodeValue();
- if (uri.length() != 0 ) {// attribute value is always empty string
- try {
- uri = new URI(uri).toString();
- }
- catch (com.sun.org.apache.xerces.internal.util.URI.MalformedURIException e){
- // REVISIT: what should happen in this case?
- return null;
- }
- return uri;
- }
- }
- }
-
- //2.the base URI of the element's parent element within the document or external entity,
- //if one exists
- String parentElementBaseURI = (this.parentNode() != null) ? this.parentNode().getBaseURI() : null ;
- //base URI of parent element is not null
- if(parentElementBaseURI != null){
- try {
- //return valid absolute base URI
- return new URI(parentElementBaseURI).toString();
- }
- catch (com.sun.org.apache.xerces.internal.util.URI.MalformedURIException e){
- // REVISIT: what should happen in this case?
- return null;
- }
- }
- //3. the base URI of the document entity or external entity containing the element
-
- String baseURI = (this.ownerNode != null) ? this.ownerNode.getBaseURI() : null ;
-
- if(baseURI != null){
- try {
- //return valid absolute base URI
- return new URI(baseURI).toString();
- }
- catch (com.sun.org.apache.xerces.internal.util.URI.MalformedURIException e){
- // REVISIT: what should happen in this case?
- return null;
- }
- }
-
- return null;
- }
-
- /**
- * NON-DOM: setting type used by the DOM parser
- * @see NodeImpl#setReadOnly
- */
- public void setType(TypeInfo type) {
- this.type = type;
- }
-
-
- }