| /* DomNsNode.java -- |
| Copyright (C) 1999,2000,2001,2004 Free Software Foundation, Inc. |
| |
| This file is part of GNU Classpath. |
| |
| GNU Classpath is free software; you can redistribute it and/or modify |
| it under the terms of the GNU General Public License as published by |
| the Free Software Foundation; either version 2, or (at your option) |
| any later version. |
| |
| GNU Classpath is distributed in the hope that it will be useful, but |
| WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| General Public License for more details. |
| |
| You should have received a copy of the GNU General Public License |
| along with GNU Classpath; see the file COPYING. If not, write to the |
| Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA |
| 02110-1301 USA. |
| |
| Linking this library statically or dynamically with other modules is |
| making a combined work based on this library. Thus, the terms and |
| conditions of the GNU General Public License cover the whole |
| combination. |
| |
| As a special exception, the copyright holders of this library give you |
| permission to link this library with independent modules to produce an |
| executable, regardless of the license terms of these independent |
| modules, and to copy and distribute the resulting executable under |
| terms of your choice, provided that you also meet, for each linked |
| independent module, the terms and conditions of the license of that |
| module. An independent module is a module which is not derived from |
| or based on this library. If you modify this library, you may extend |
| this exception to your version of the library, but you are not |
| obligated to do so. If you do not wish to do so, delete this |
| exception statement from your version. */ |
| |
| package gnu.xml.dom; |
| |
| import javax.xml.XMLConstants; |
| import org.w3c.dom.DOMException; |
| |
| /** |
| * <p> Abstract implemention of namespace support. This facilitates |
| * sharing code for attribute and element nodes. |
| * |
| * @author David Brownell |
| * @author <a href='mailto:dog@gnu.org'>Chris Burdess</a> |
| */ |
| public abstract class DomNsNode |
| extends DomNode |
| { |
| |
| private String name; |
| private String namespace; |
| private String prefix; |
| String localName; |
| |
| /** |
| * Constructs a node associated with the specified document, and |
| * with the specified namespace information. |
| * |
| * @param owner The document with which this entity is associated |
| * @param namespaceURI Combined with the local part of the name, |
| * this identifies a type of element or attribute; may be null. |
| * If this is the empty string, it is reassigned as null so that |
| * applications only need to test that case. |
| * @param name Name of this node, which may include a prefix |
| */ |
| // package private |
| DomNsNode(short nodeType, DomDocument owner, String namespaceURI, String name) |
| { |
| super(nodeType, owner); |
| setNodeName(name); |
| setNamespaceURI(namespaceURI); |
| } |
| |
| /** |
| * <b>DOM L1</b> |
| * Returns the node's name, including any namespace prefix. |
| */ |
| public final String getNodeName() |
| { |
| return name; |
| } |
| |
| final void setNodeName(String name) |
| { |
| this.name = name.intern(); |
| int index = name.indexOf(':'); |
| if (index == -1) |
| { |
| prefix = null; |
| localName = this.name; |
| } |
| else |
| { |
| prefix = name.substring(0, index).intern(); |
| localName = name.substring(index + 1).intern(); |
| } |
| } |
| |
| /** |
| * <b>DOM L2</b> |
| * Returns the node's namespace URI |
| * <em>or null</em> if the node name is not namespace scoped. |
| */ |
| public final String getNamespaceURI() |
| { |
| return namespace; |
| } |
| |
| final void setNamespaceURI(String namespaceURI) |
| { |
| if ("".equals(namespaceURI)) |
| { |
| namespaceURI = null; |
| } |
| namespace = (namespaceURI == null) ? null : namespaceURI.intern(); |
| } |
| |
| /** |
| * <b>DOM L2</b> |
| * Returns any prefix part of the node's name (before any colon). |
| */ |
| public final String getPrefix() |
| { |
| return prefix; |
| } |
| |
| /** |
| * <b>DOM L2</b> |
| * Assigns the prefix part of the node's name (before any colon). |
| */ |
| public final void setPrefix(String prefix) |
| { |
| if (readonly) |
| { |
| throw new DomDOMException(DOMException.NO_MODIFICATION_ALLOWED_ERR); |
| } |
| |
| if (prefix == null) |
| { |
| name = localName; |
| return; |
| } |
| else if (namespace == null) |
| { |
| throw new DomDOMException(DOMException.NAMESPACE_ERR, |
| "can't set prefix, node has no namespace URI", |
| this, 0); |
| } |
| |
| DomDocument.checkName(prefix, "1.1".equals(owner.getXmlVersion())); |
| if (prefix.indexOf (':') != -1) |
| { |
| throw new DomDOMException(DOMException.NAMESPACE_ERR, |
| "illegal prefix " + prefix, this, 0); |
| } |
| |
| if (XMLConstants.XML_NS_PREFIX.equals(prefix) |
| && !XMLConstants.XML_NS_URI.equals(namespace)) |
| { |
| throw new DomDOMException(DOMException.NAMESPACE_ERR, |
| "xml namespace is always " + |
| XMLConstants.XML_NS_URI, this, 0); |
| } |
| |
| if (XMLConstants.XMLNS_ATTRIBUTE.equals(prefix)) |
| { |
| if (namespace != null || getNodeType() != ATTRIBUTE_NODE) |
| { |
| throw new DomDOMException(DOMException.NAMESPACE_ERR, |
| "xmlns attribute prefix is reserved", |
| this, 0); |
| } |
| } |
| else if (getNodeType () == ATTRIBUTE_NODE |
| && (XMLConstants.XMLNS_ATTRIBUTE.equals(name) || |
| name.startsWith("xmlns:"))) |
| { |
| throw new DomDOMException(DOMException.NAMESPACE_ERR, |
| "namespace declarations can't change names", |
| this, 0); |
| } |
| |
| this.prefix = prefix.intern(); |
| } |
| |
| /** |
| * <b>DOM L2</b> |
| * Returns the local part of the node's name (after any colon). |
| */ |
| public final String getLocalName() |
| { |
| return localName; |
| } |
| |
| } |
| |