| /* QName.java - An XML qualified name. |
| Copyright (C) 2004,2005,2006 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 javax.xml.namespace; |
| |
| import java.io.Serializable; |
| |
| import javax.xml.XMLConstants; |
| |
| /** |
| * An XML |
| * <a href='http://www.w3.org/TR/REC-xml-names/#ns-qualnames'>qualified name</a>. |
| * |
| * @author <a href='mailto:dog@gnu.org'>Chris Burdess</a> |
| * @since 1.3 |
| */ |
| public class QName implements Serializable |
| { |
| private static final long serialVersionUID = 4418622981026545151L; |
| |
| private final String namespaceURI; |
| private final String localPart; |
| private final String prefix; |
| private transient String qName; |
| transient int hashCode = -1; |
| |
| public QName(String namespaceURI, String localPart) |
| { |
| this(namespaceURI, localPart, null); |
| } |
| |
| public QName(String namespaceURI, String localPart, String prefix) |
| { |
| if (namespaceURI == null) |
| namespaceURI = XMLConstants.NULL_NS_URI; |
| if (localPart == null) |
| throw new IllegalArgumentException(); |
| if (prefix == null) |
| prefix = XMLConstants.DEFAULT_NS_PREFIX; |
| else |
| { |
| if (XMLConstants.XML_NS_PREFIX.equals(prefix)) |
| namespaceURI = XMLConstants.XML_NS_URI; |
| else if (XMLConstants.XMLNS_ATTRIBUTE.equals(prefix)) |
| namespaceURI = XMLConstants.XMLNS_ATTRIBUTE_NS_URI; |
| } |
| this.namespaceURI = namespaceURI; |
| this.localPart = localPart; |
| this.prefix = prefix; |
| } |
| |
| public QName(String localPart) |
| { |
| this(null, localPart, null); |
| } |
| |
| public String getNamespaceURI() |
| { |
| return namespaceURI; |
| } |
| |
| public String getLocalPart() |
| { |
| return localPart; |
| } |
| |
| public String getPrefix() |
| { |
| return prefix; |
| } |
| |
| public final boolean equals(Object obj) |
| { |
| if (obj instanceof QName) |
| { |
| QName qname = (QName) obj; |
| return qname.getLocalPart().equals(localPart) && |
| qname.getNamespaceURI().equals(namespaceURI); |
| } |
| return false; |
| } |
| |
| public final int hashCode() |
| { |
| if (hashCode == -1) |
| hashCode = localPart.hashCode() ^ namespaceURI.hashCode(); |
| return hashCode; |
| } |
| |
| public synchronized String toString() |
| { |
| if (qName == null) |
| { |
| StringBuffer buf = new StringBuffer(); |
| if (namespaceURI.length() > 0) |
| { |
| buf.append('{'); |
| buf.append(namespaceURI); |
| buf.append('}'); |
| } |
| if (prefix.length() > 0) |
| { |
| buf.append(prefix); |
| buf.append(':'); |
| } |
| buf.append(localPart); |
| qName = buf.toString(); |
| } |
| return qName; |
| } |
| |
| public static QName valueOf(String qNameAsString) |
| { |
| String namespaceUri = "", prefix = null; |
| int start = qNameAsString.indexOf('{'); |
| int end = qNameAsString.indexOf('}'); |
| if (start != -1) |
| { |
| if (end < start) |
| throw new IllegalArgumentException(qNameAsString); |
| namespaceUri = qNameAsString.substring(start + 1, end); |
| qNameAsString = qNameAsString.substring(end + 1); |
| } |
| start = qNameAsString.indexOf(':'); |
| if (start != -1) |
| { |
| prefix = qNameAsString.substring(0, start); |
| qNameAsString = qNameAsString.substring(start + 1); |
| } |
| return new QName(namespaceUri, qNameAsString, prefix); |
| } |
| |
| } |