Update of /cvsroot/monetdb/java/src/nl/cwi/monetdb/xquery/xrpc/api
In directory sc8-pr-cvs16.sourceforge.net:/tmp/cvs-serv16678/xquery/xrpc/api
Added Files:
NamespaceContextImpl.java
Log Message:
[monetdb-Bugs-1846797] Java: nl/cwi/monetdb/util/NamespaceContextImpl.java
Moved NamespaceContextImpl.java from the package nl.cwi.monetdb.util, to
nl.cwi.monetdb.xquery.xrpc.api, so that JDBC can compile again without
requiring Java 1.5. NamespaceContextImpl.java is needed for evaluating
XPath expressions on XRPC messages.
--- NEW FILE: NamespaceContextImpl.java ---
/**
* The contents of this file are subject to the MonetDB Public License
* Version 1.1 (the "License"); you may not use this file except in
* compliance with the License. You may obtain a copy of the License at
* http://monetdb.cwi.nl/Legal/MonetDBLicense-1.1.html
* Software distributed under the License is distributed on an "AS IS"
* basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
* the License for the specific language governing rights and
* limitations under the License.
* The Original Code is the MonetDB Database System.
* The Initial Developer of the Original Code is CWI.
* Portions created by CWI are Copyright (C) 1997-2007 CWI.
* All Rights Reserved.
**/
package nl.cwi.monetdb.xquery.xrpc.api;
import java.util.*;
import javax.xml.namespace.*;
/**
* This class implements <code>NamespaceContex</code>, which is needed
* to evaluate an <code>XPath</code> expression on an XML document
* containing namespaces.
* This class provides functions to store and retrieve (prefix, uri)
* mappings for Namespaces.
* See the documentation of the interface <a
*
href="http://java.sun.com/j2se/1.5.0/docs/api/javax/xml/namespace/NamespaceContext.html";>NamespaceContext</a>
* for more information.
*
* @author Ying Zhang <[EMAIL PROTECTED]>
* @version 0.1
*/
public class NamespaceContextImpl implements NamespaceContext{
private Map map;
/**
* Creates a <code>NamespaceContextImpl</code> object.
*/
public NamespaceContextImpl(){
map = new HashMap();
}
/**
* Creates a <code>NamespaceContextImpl</code> object with an initial
binding of
* the given (<code>prefix</code>, <code>uri</code>).
*
* @param prefix Prefix of the Namespace
* @param uri URI of the Namespace
*/
public NamespaceContextImpl(String prefix, String uri){
map = new HashMap();
map.put(prefix, uri);
}
/**
* Add a new binding of the given (<code>prefix</code>,
* <code>uri</code>).
*
* @param prefix Prefix of the Namespace
* @param uri URI of the Namespace
*/
public void add(String prefix, String uri){
map.put(prefix, uri);
}
/**
* Get Namespace URI bound to the given <code>prefix</code> in the
* current scope.
*
* @param prefix prefix to look up
* @return Namespace URI bound to prefix in the current scope.
*/
public String getNamespaceURI(String prefix){
return (String) map.get(prefix);
}
/**
* Get prefix bound to Namespace URI in the current scope.
* To get all prefixes bound to a Namespace URI in the current
* scope, use [EMAIL PROTECTED] #getPrefixes(String namespaceURI)}.
*
* @param namespaceURI URI of Namespace to lookup
* @return prefix bound to Namespace URI in current context
*/
public String getPrefix(String namespaceURI){
String[] prefixes = (String[]) map.keySet().toArray(new String[0]);
for (int i = 0; i < prefixes.length; i++) {
if(((String)map.get(prefixes[i])).equals(namespaceURI))
return prefixes[i];
}
return null;
}
/**
* Get all prefixes bound to a Namespace URI in the current scope.
* An <code>Iterator</code> over <code>String</code> elements is
* returned in an arbitrary, <b>implementation dependent</b>, order.
*
* @param namespaceURI URI of Namespace to lookup
* @return <code>Iterator</code> for all prefixed bound to the
* Namespace URI in the current scope
*/
public Iterator getPrefixes(String namespaceURI){
List prefixes = new ArrayList();
String[] keys = (String[]) map.keySet().toArray(new String[0]);
for (int i = 0; i < keys.length; i++) {
if(((String)map.get(keys[i])).equals(namespaceURI))
prefixes.add(keys[i]);
}
return prefixes.iterator();
}
}
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