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67 lines
2.5 KiB
67 lines
2.5 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 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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package com.sun.org.apache.xerces.internal.impl;
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import java.io.IOException;
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import com.sun.org.apache.xerces.internal.xni.XNIException;
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import com.sun.org.apache.xerces.internal.xni.grammars.XMLDTDDescription;
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import com.sun.org.apache.xerces.internal.xni.parser.XMLEntityResolver;
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import com.sun.org.apache.xerces.internal.xni.parser.XMLInputSource;
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/**
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* <p>This interface extends <code>XMLEntityResolver</code> providing
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* a method to resolve external subsets for documents which do not
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* explicitly provide one. The application can register an object that
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* implements this interface with the parser configuration. If registered,
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* it will be queried to locate an external subset when none is provided,
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* even for documents that do not contain DOCTYPE declarations. If the
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* registered external subset resolver does not provide an external subset
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* for a given document, it should return <code>null</code>.</p>
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*
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* @xerces.internal
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*
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* @author Michael Glavassevich, IBM
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*
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*/
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public interface ExternalSubsetResolver
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extends XMLEntityResolver {
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//
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// ExternalSubsetResolver methods
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//
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/**
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* <p>Locates an external subset for documents which do not explicitly
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* provide one. If no external subset is provided, this method should
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* return <code>null</code>.</p>
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*
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* @param grammarDescription a description of the DTD
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*
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* @throws XNIException Thrown on general error.
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* @throws IOException Thrown if resolved entity stream cannot be
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* opened or some other i/o error occurs.
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*/
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public XMLInputSource getExternalSubset(XMLDTDDescription grammarDescription)
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throws XNIException, IOException;
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} // interface ExternalSubsetResolver
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