/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.
*/
package nokogiri.internals.c14n;
import java.io.OutputStream;
import org.w3c.dom.Node;
/**
* Base class which all Canonicalization algorithms extend.
*
* @author Christian Geuer-Pollmann
*/
public abstract class CanonicalizerSpi {
/** Reset the writer after a c14n */
protected boolean reset = false;
/**
* Returns the URI of this engine.
* @return the URI
*/
public abstract String engineGetURI();
/**
* Returns true if comments are included
* @return true if comments are included
*/
public abstract boolean engineGetIncludeComments();
/**
* C14n a node tree.
*
* @param rootNode
* @return the c14n bytes
* @throws CanonicalizationException
*/
public abstract byte[] engineCanonicalizeSubTree(Node rootNode, CanonicalFilter filter)
throws CanonicalizationException;
/**
* C14n a node tree.
*
* @param rootNode
* @param inclusiveNamespaces
* @return the c14n bytes
* @throws CanonicalizationException
*/
public abstract byte[] engineCanonicalizeSubTree(Node rootNode, String inclusiveNamespaces, CanonicalFilter filter)
throws CanonicalizationException;
/**
* Sets the writer where the canonicalization ends. ByteArrayOutputStream if
* none is set.
* @param os
*/
public abstract void setWriter(OutputStream os);
}