author | weijun |
Tue, 19 Jun 2018 08:06:35 +0800 | |
changeset 50614 | 3810c9a2efa1 |
parent 47216 | 71c04702a3d5 |
permissions | -rw-r--r-- |
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/* |
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* reserved comment block |
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* DO NOT REMOVE OR ALTER! |
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*/ |
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/** |
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* Licensed to the Apache Software Foundation (ASF) under one |
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* or more contributor license agreements. See the NOTICE file |
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* distributed with this work for additional information |
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* regarding copyright ownership. The ASF licenses this file |
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* to you under the Apache License, Version 2.0 (the |
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* "License"); you may not use this file except in compliance |
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* with the License. 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, |
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* software distributed under the License is distributed on an |
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* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
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* KIND, either express or implied. See the License for the |
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* specific language governing permissions and limitations |
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* under the License. |
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*/ |
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package com.sun.org.apache.xml.internal.security.transforms; |
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import java.io.IOException; |
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import java.io.OutputStream; |
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import javax.xml.parsers.ParserConfigurationException; |
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import com.sun.org.apache.xml.internal.security.c14n.CanonicalizationException; |
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import com.sun.org.apache.xml.internal.security.c14n.InvalidCanonicalizerException; |
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import com.sun.org.apache.xml.internal.security.signature.XMLSignatureInput; |
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import org.xml.sax.SAXException; |
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/** |
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* Base class which all Transform algorithms extend. The common methods that |
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* have to be overridden are the |
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* {@link #enginePerformTransform(XMLSignatureInput, Transform)} method. |
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* |
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*/ |
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public abstract class TransformSpi { |
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protected boolean secureValidation; |
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/** |
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* The mega method which MUST be implemented by the Transformation Algorithm. |
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* |
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* @param input {@link XMLSignatureInput} as the input of transformation |
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* @param os where to output this transformation. |
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* @param transformObject the Transform object |
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* @return {@link XMLSignatureInput} as the result of transformation |
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* @throws CanonicalizationException |
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* @throws IOException |
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* @throws InvalidCanonicalizerException |
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* @throws ParserConfigurationException |
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* @throws SAXException |
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* @throws TransformationException |
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*/ |
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protected XMLSignatureInput enginePerformTransform( |
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XMLSignatureInput input, OutputStream os, Transform transformObject |
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) throws IOException, CanonicalizationException, InvalidCanonicalizerException, |
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TransformationException, ParserConfigurationException, SAXException { |
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throw new UnsupportedOperationException(); |
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} |
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/** |
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* The mega method which MUST be implemented by the Transformation Algorithm. |
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* In order to be compatible with preexisting Transform implementations, |
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* by default this implementation invokes the deprecated, thread-unsafe |
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* methods. Subclasses should override this with a thread-safe |
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* implementation. |
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* |
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* @param input {@link XMLSignatureInput} as the input of transformation |
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* @param transformObject the Transform object |
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* @return {@link XMLSignatureInput} as the result of transformation |
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* @throws CanonicalizationException |
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* @throws IOException |
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* @throws InvalidCanonicalizerException |
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* @throws ParserConfigurationException |
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* @throws SAXException |
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* @throws TransformationException |
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*/ |
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protected XMLSignatureInput enginePerformTransform( |
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XMLSignatureInput input, Transform transformObject |
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) throws IOException, CanonicalizationException, InvalidCanonicalizerException, |
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TransformationException, ParserConfigurationException, SAXException { |
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return enginePerformTransform(input, null, transformObject); |
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} |
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/** |
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* The mega method which MUST be implemented by the Transformation Algorithm. |
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* @param input {@link XMLSignatureInput} as the input of transformation |
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* @return {@link XMLSignatureInput} as the result of transformation |
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* @throws CanonicalizationException |
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* @throws IOException |
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* @throws InvalidCanonicalizerException |
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* @throws ParserConfigurationException |
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* @throws SAXException |
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* @throws TransformationException |
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*/ |
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protected XMLSignatureInput enginePerformTransform( |
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XMLSignatureInput input |
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) throws IOException, CanonicalizationException, InvalidCanonicalizerException, |
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TransformationException, ParserConfigurationException, SAXException { |
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return enginePerformTransform(input, null); |
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} |
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/** |
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* Returns the URI representation of {@code Transformation algorithm} |
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* |
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* @return the URI representation of {@code Transformation algorithm} |
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*/ |
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protected abstract String engineGetURI(); |
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} |