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75 lines
2.8 KiB
75 lines
2.8 KiB
/*
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* Copyright (c) 2007, 2018, Oracle and/or its affiliates. All rights reserved.
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* ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
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*/
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/*
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* Copyright 1999-2004 The Apache Software Foundation.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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/*
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* $Id: PrefixResolver.java,v 1.2.4.1 2005/09/15 08:15:51 suresh_emailid Exp $
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*/
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package com.sun.org.apache.xml.internal.utils;
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/**
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* The class that implements this interface can resolve prefixes to
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* namespaces. Examples would include resolving the meaning of a
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* prefix at a particular point in a document, or mapping the prefixes
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* used in an XPath expression.
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* @xsl.usage advanced
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*/
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public interface PrefixResolver
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{
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/**
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* Given a namespace, get the corrisponding prefix. This assumes that
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* the PrefixResolver holds its own namespace context, or is a namespace
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* context itself.
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*
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* @param prefix The prefix to look up, which may be an empty string ("") for the default Namespace.
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*
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* @return The associated Namespace URI, or null if the prefix
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* is undeclared in this context.
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*/
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String getNamespaceForPrefix(String prefix);
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/**
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* Given a namespace, get the corresponding prefix, based on the context node.
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*
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* @param prefix The prefix to look up, which may be an empty string ("") for the default Namespace.
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* @param context The node context from which to look up the URI.
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*
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* @return The associated Namespace URI as a string, or null if the prefix
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* is undeclared in this context.
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*/
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String getNamespaceForPrefix(String prefix, org.w3c.dom.Node context);
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/**
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* Return the base identifier.
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*
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* @return The base identifier from where relative URIs should be absolutized, or null
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* if the base ID is unknown.
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* <p>
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* CAVEAT: Note that the base URI in an XML document may vary with where
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* you are in the document, if part of the doc's contents were brought in
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* via an external entity reference or if mechanisms such as xml:base have
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* been used. Unless this PrefixResolver is bound to a specific portion of
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* the document, or has been kept up to date via some other mechanism, it
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* may not accurately reflect that context information.
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*/
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public String getBaseIdentifier();
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public boolean handlesNullPrefixes();
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}
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