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* The Apache Software License, Version 1.1
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* Copyright (c) 2000-2002 The Apache Software Foundation. All rights
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* 3. The end-user documentation included with the redistribution,
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* if any, must include the following acknowledgment:
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* "This product includes software developed by the
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* Apache Software Foundation (http://www.apache.org/)."
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* Alternately, this acknowledgment may appear in the software itself,
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* if and wherever such third-party acknowledgments normally appear.
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* 4. The names "Xerces" and "Apache Software Foundation" must
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* not be used to endorse or promote products derived from this
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* software without prior written permission. For written
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* permission, please contact apache@apache.org.
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* 5. Products derived from this software may not be called "Apache",
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* nor may "Apache" appear in their name, without prior written
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* permission of the Apache Software Foundation.
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* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
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* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
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* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
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* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* ====================================================================
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* This software consists of voluntary contributions made by many
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* individuals on behalf of the Apache Software Foundation and was
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* originally based on software copyright (c) 1999, International
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* Business Machines, Inc., http://www.apache.org. For more
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* information on the Apache Software Foundation, please see
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* <http://www.apache.org/>.
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package org.apache.xerces.xni;
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* A structure that holds the components of an XML Namespaces qualified
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* To be used correctly, the strings must be identical references for
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* equal strings. Within the parser, these values are considered symbols
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* and should always be retrieved from the <code>SymbolTable</code>.
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* @see <a href="../../../../../xerces2/org/apache/xerces/util/SymbolTable.html">org.apache.xerces.util.SymbolTable</a>
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* @author Andy Clark, IBM
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* @version $Id: QName.java,v 1.5 2002/01/29 01:15:19 lehors Exp $
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implements Cloneable {
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* The qname prefix. For example, the prefix for the qname "a:foo"
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* The qname localpart. For example, the localpart for the qname "a:foo"
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public String localpart;
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* The qname rawname. For example, the rawname for the qname "a:foo"
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public String rawname;
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* The URI to which the qname prefix is bound. This binding must be
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* performed by a XML Namespaces aware processor.
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/** Default constructor. */
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/** Constructs a QName with the specified values. */
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public QName(String prefix, String localpart, String rawname, String uri) {
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setValues(prefix, localpart, rawname, uri);
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} // <init>(String,String,String,String)
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/** Constructs a copy of the specified QName. */
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public QName(QName qname) {
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* Convenience method to set the values of the qname components.
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* @param QName The qualified name to be copied.
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public void setValues(QName qname) {
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prefix = qname.prefix;
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localpart = qname.localpart;
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rawname = qname.rawname;
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} // setValues(QName)
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* Convenience method to set the values of the qname components.
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* @param prefix The qname prefix. (e.g. "a")
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* @param localpart The qname localpart. (e.g. "foo")
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* @param rawname The qname rawname. (e.g. "a:foo")
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* @param uri The URI binding. (e.g. "http://foo.com/mybinding")
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public void setValues(String prefix, String localpart, String rawname,
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this.prefix = prefix;
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this.localpart = localpart;
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this.rawname = rawname;
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} // setValues(String,String,String,String)
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/** Clears the values of the qname components. */
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public void clear() {
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/** Returns a clone of this object. */
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public Object clone() {
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return new QName(this);
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/** Returns the hashcode for this object. */
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public int hashCode() {
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return uri.hashCode() + localpart.hashCode();
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return rawname.hashCode();
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/** Returns true if the two objects are equal. */
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public boolean equals(Object object) {
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if (object instanceof QName) {
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QName qname = (QName)object;
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if (qname.uri != null) {
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return uri == qname.uri && localpart == qname.localpart;
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else if (uri == null) {
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return rawname == qname.rawname;
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// fall through and return not equal
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} // equals(Object):boolean
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/** Returns a string representation of this object. */
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public String toString() {
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StringBuffer str = new StringBuffer();
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boolean comma = false;
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if (prefix != null) {
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str.append("prefix=\""+prefix+'"');
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if (localpart != null) {
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str.append("localpart=\""+localpart+'"');
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if (rawname != null) {
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str.append("rawname=\""+rawname+'"');
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str.append("uri=\""+uri+'"');
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return str.toString();
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} // toString():String