| /* $Id$ */ |
| /* |
| * The Apache Software License, Version 1.1 |
| * |
| * |
| * Copyright (c) 1999 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 org.apache.xerces.dom; |
| |
| import org.w3c.dom.DOMException; |
| |
| |
| /** |
| * 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. |
| */ |
| 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; |
| |
| |
| /** |
| * DOM2: Constructor for Namespace implementation. |
| */ |
| protected ElementNSImpl(CoreDocumentImpl ownerDocument, |
| String namespaceURI, |
| String qualifiedName) |
| throws DOMException |
| { |
| super(ownerDocument, qualifiedName); |
| |
| int index = qualifiedName.indexOf(':'); |
| String prefix; |
| if (index < 0) { |
| prefix = null; |
| localName = qualifiedName; |
| } |
| else { |
| prefix = qualifiedName.substring(0, index); |
| localName = qualifiedName.substring(index+1); |
| |
| if (ownerDocument.errorChecking) { |
| if (namespaceURI == null |
| || (localName.length() == 0) |
| || (localName.indexOf(':') >= 0)) { |
| throw new DOMException(DOMException.NAMESPACE_ERR, |
| "DOM003 Namespace error"); |
| } |
| else if (prefix.equals("xml")) { |
| if (!namespaceURI.equals(xmlURI)) { |
| throw new DOMException(DOMException.NAMESPACE_ERR, |
| "DOM003 Namespace error"); |
| } |
| } else if (index == 0) { |
| throw new DOMException(DOMException.NAMESPACE_ERR, |
| "DOM003 Namespace error"); |
| } |
| } |
| } |
| this.namespaceURI = namespaceURI; |
| } |
| |
| // for DeferredElementImpl |
| protected ElementNSImpl(CoreDocumentImpl ownerDocument, |
| String value) { |
| super(ownerDocument, value); |
| } |
| |
| // |
| // 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> |
| * |
| * @throws INVALID_CHARACTER_ERR Raised if the specified |
| * prefix contains an invalid character. |
| * |
| * @since WD-DOM-Level-2-19990923 |
| */ |
| public void setPrefix(String prefix) |
| throws DOMException |
| { |
| if (needsSyncData()) { |
| synchronizeData(); |
| } |
| if (ownerDocument().errorChecking) { |
| if (isReadOnly()) { |
| throw new DOMException( |
| DOMException.NO_MODIFICATION_ALLOWED_ERR, |
| "DOM001 Modification not allowed"); |
| } |
| if (!CoreDocumentImpl.isXMLName(prefix)) { |
| throw new DOMException(DOMException.INVALID_CHARACTER_ERR, |
| "DOM002 Illegal character"); |
| } |
| if (namespaceURI == null || prefix.indexOf(':') >=0) { |
| throw new DOMException(DOMException.NAMESPACE_ERR, |
| "DOM003 Namespace error"); |
| } else if (prefix != null) { |
| if (prefix.equals("xml")) { |
| if (!namespaceURI.equals(xmlURI)) { |
| throw new DOMException(DOMException.NAMESPACE_ERR, |
| "DOM003 Namespace error"); |
| } |
| } |
| } |
| } |
| // update node name with new qualifiedName |
| name = prefix + ":" + 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; |
| } |
| } |
