You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
129 lines
4.0 KiB
129 lines
4.0 KiB
/*
|
|
* Copyright (c) 2007, 2018, Oracle and/or its affiliates. All rights reserved.
|
|
* ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
|
|
*/
|
|
/*
|
|
* Copyright 1999-2004 The Apache Software Foundation.
|
|
*
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
|
* you may not use this file except in compliance with the License.
|
|
* You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
* See the License for the specific language governing permissions and
|
|
* limitations under the License.
|
|
*/
|
|
// $Id: JAXPPrefixResolver.java,v 1.1.2.1 2005/08/01 01:30:18 jeffsuttor Exp $
|
|
|
|
package com.sun.org.apache.xpath.internal.jaxp;
|
|
|
|
import org.w3c.dom.Node;
|
|
import org.w3c.dom.NamedNodeMap;
|
|
import com.sun.org.apache.xml.internal.utils.PrefixResolver;
|
|
|
|
import javax.xml.namespace.NamespaceContext;
|
|
|
|
/**
|
|
* <meta name="usage" content="general"/>
|
|
* This class implements a Default PrefixResolver which
|
|
* can be used to perform prefix-to-namespace lookup
|
|
* for the XPath object.
|
|
* This class delegates the resolution to the passed NamespaceContext
|
|
*/
|
|
public class JAXPPrefixResolver implements PrefixResolver
|
|
{
|
|
|
|
private NamespaceContext namespaceContext;
|
|
|
|
|
|
public JAXPPrefixResolver ( NamespaceContext nsContext ) {
|
|
this.namespaceContext = nsContext;
|
|
}
|
|
|
|
|
|
public String getNamespaceForPrefix( String prefix ) {
|
|
return namespaceContext.getNamespaceURI( prefix );
|
|
}
|
|
|
|
/**
|
|
* Return the base identifier.
|
|
*
|
|
* @return null
|
|
*/
|
|
public String getBaseIdentifier() {
|
|
return null;
|
|
}
|
|
|
|
/**
|
|
* @see PrefixResolver#handlesNullPrefixes()
|
|
*/
|
|
public boolean handlesNullPrefixes() {
|
|
return false;
|
|
}
|
|
|
|
|
|
/**
|
|
* The URI for the XML namespace.
|
|
* (Duplicate of that found in com.sun.org.apache.xpath.internal.XPathContext).
|
|
*/
|
|
|
|
public static final String S_XMLNAMESPACEURI =
|
|
"http://www.w3.org/XML/1998/namespace";
|
|
|
|
|
|
/**
|
|
* Given a prefix and a Context Node, get the corresponding namespace.
|
|
* Warning: This will not work correctly if namespaceContext
|
|
* is an attribute node.
|
|
* @param prefix Prefix to resolve.
|
|
* @param namespaceContext Node from which to start searching for a
|
|
* xmlns attribute that binds a prefix to a namespace.
|
|
* @return Namespace that prefix resolves to, or null if prefix
|
|
* is not bound.
|
|
*/
|
|
public String getNamespaceForPrefix(String prefix,
|
|
org.w3c.dom.Node namespaceContext) {
|
|
Node parent = namespaceContext;
|
|
String namespace = null;
|
|
|
|
if (prefix.equals("xml")) {
|
|
namespace = S_XMLNAMESPACEURI;
|
|
} else {
|
|
int type;
|
|
|
|
while ((null != parent) && (null == namespace)
|
|
&& (((type = parent.getNodeType()) == Node.ELEMENT_NODE)
|
|
|| (type == Node.ENTITY_REFERENCE_NODE))) {
|
|
|
|
if (type == Node.ELEMENT_NODE) {
|
|
NamedNodeMap nnm = parent.getAttributes();
|
|
|
|
for (int i = 0; i < nnm.getLength(); i++) {
|
|
Node attr = nnm.item(i);
|
|
String aname = attr.getNodeName();
|
|
boolean isPrefix = aname.startsWith("xmlns:");
|
|
|
|
if (isPrefix || aname.equals("xmlns")) {
|
|
int index = aname.indexOf(':');
|
|
String p =isPrefix ?aname.substring(index + 1) :"";
|
|
|
|
if (p.equals(prefix)) {
|
|
namespace = attr.getNodeValue();
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
parent = parent.getParentNode();
|
|
}
|
|
}
|
|
return namespace;
|
|
}
|
|
|
|
}
|