/*
* 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 org.apache.axiom.c14n;
import org.apache.axiom.c14n.exceptions.CanonicalizationException;
import org.apache.axiom.c14n.omwrapper.factory.WrapperFactory;
import org.apache.axiom.c14n.omwrapper.interfaces.Node;
import org.apache.axiom.om.impl.builder.StAXOMBuilder;
import javax.xml.stream.XMLStreamException;
import java.io.ByteArrayInputStream;
import java.io.OutputStream;
public abstract class CanonicalizerSpi {
protected boolean reset = false;
/**
* Method engineGetURI()
*
* @return the URI of the canonicalization method
*/
public abstract String engineGetURI();
/**
* Method engineGetIncludeComments
*
* @return true if comments are included or false otherwise
*/
public abstract boolean engineGetIncludeComments();
/**
* Method setWriter
* @param os
*/
public abstract void setWriter(OutputStream os);
public byte[] engineCanonicalize(byte[] inputBytes) throws CanonicalizationException {
ByteArrayInputStream bais = new ByteArrayInputStream(inputBytes);
StAXOMBuilder builder = null;
try {
builder = new StAXOMBuilder(bais);
} catch (XMLStreamException e) {
throw new CanonicalizationException(e);
}
byte [] result = this.engineCanonicalizeSubTree(
new WrapperFactory().getNode(builder.getDocument()));
return result;
}
public abstract byte[] engineCanonicalizeSubTree(Node node)
throws CanonicalizationException;
public abstract byte[] engineCanonicalizeSubTree(Node node, String inclusiveNamespaces)
throws CanonicalizationException;
}