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Diffstat (limited to 'libjava/classpath/javax/xml/namespace/QName.java')
| -rw-r--r-- | libjava/classpath/javax/xml/namespace/QName.java | 171 |
1 files changed, 171 insertions, 0 deletions
diff --git a/libjava/classpath/javax/xml/namespace/QName.java b/libjava/classpath/javax/xml/namespace/QName.java new file mode 100644 index 00000000000..c1ec4519d7a --- /dev/null +++ b/libjava/classpath/javax/xml/namespace/QName.java @@ -0,0 +1,171 @@ +/* + * QName.java + * Copyright (C) 2004 The Free Software Foundation + * + * This file is part of GNU JAXP, a library. + * + * GNU JAXP 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 of the License, or + * (at your option) any later version. + * + * GNU JAXP 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 this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 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 + * obliged to do so. If you do not wish to do so, delete this + * exception statement from your version. + */ + +package javax.xml.namespace; + +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 +{ + + private final String namespaceURI; + private final String localPart; + private final String prefix; + private final String qName; + 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; + } + this.namespaceURI = namespaceURI; + this.localPart = localPart; + this.prefix = prefix; + + StringBuffer buf = new StringBuffer(); + if (namespaceURI != null && namespaceURI.length() > 0) + { + buf.append('{'); + buf.append(namespaceURI); + buf.append('}'); + } + if (prefix != null && prefix.length() > 0) + { + buf.append(prefix); + buf.append(':'); + } + buf.append(localPart); + qName = buf.toString(); + } + + public QName(String localPart) + { + this(null, localPart, null); + } + + public String getNamespaceURI() + { + return namespaceURI; + } + + public String getLocalPart() + { + return localPart; + } + + public String getPrefix() + { + return prefix; + } + + public 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) + { + StringBuffer buf = new StringBuffer(); + buf.append('{'); + buf.append(namespaceURI); + buf.append('}'); + buf.append(localPart); + hashCode = buf.toString().hashCode(); + } + return hashCode; + } + + public String 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); + } + +} |