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Apache XML Security for Java supports XML-Signature Syntax and Processing,
W3C Recommendation 12 February 2002, and XML Encryption Syntax and
Processing, W3C Recommendation 10 December 2002. As of version 1.4,
the library supports the standard Java API JSR-105: XML Digital Signature APIs.
/**
* 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.jcp.xml.dsig.internal.dom;
import javax.xml.crypto.MarshalException;
import javax.xml.crypto.XMLCryptoContext;
import javax.xml.crypto.XMLStructure;
import org.w3c.dom.Attr;
/**
* This interface is used to construct XML via a sequence of API calls.
*
* This is written to be similar to javax.xml.stream.XMLStreamWriter, but
* has slightly different requirements. Specifically, we need to be able to create
* an "ID" type attribute, and get the current node.
*
*/
public interface XmlWriter {
/**
* Utility class that brings together the class, and the method for marshaling an
* instance of said class.
*
* @param
*/
abstract static class ToMarshal { //NOPMD
public final Class clazzToMatch;
public ToMarshal(Class clazzToMatch) {
this.clazzToMatch = clazzToMatch;
}
public abstract void marshalObject(XmlWriter xwriter, CLZ toMarshal, String dsPrefix,
XMLCryptoContext context) throws MarshalException;
}
/**
*
* @param prefix What prefix to use?
* @param localName What local name to use?
* @param namespaceURI What namespace URI?
*
* See also {@link javax.xml.stream.XMLStreamWriter#writeStartElement(String, String, String)}
*/
void writeStartElement(String prefix, String localName, String namespaceURI);
/**
* See also {@link javax.xml.stream.XMLStreamWriter#writeEndElement()}
*/
void writeEndElement();
/**
* Convenience method that writes both a start and end tag, with text contents as
* provided.
*
* @param prefix
* @param localName
* @param namespaceURI
* @param value
*/
void writeTextElement(String prefix, String localName, String namespaceURI, String value);
void writeNamespace(String prefix, String namespaceURI);
void writeCharacters(String text);
void writeComment(String text);
Attr writeAttribute(String prefix, String namespaceURI, String localName, String value);
void writeIdAttribute(String prefix, String namespaceURI, String localName, String value);
/**
* Get the local name of the current element.
* @return the local name of the current element.
*/
String getCurrentLocalName();
XMLStructure getCurrentNodeAsStructure();
/**
* This method marshals a structure, and relies on implementation specific details for how
* an instance of a particular class maps to the method that actually does the marshaling.
*
* @param toMarshal The object to be marshaled.
* @param dsPrefix The digital signature prefix.
* @param context The context for marshaling.
* @throws MarshalException Thrown if something goes wrong during the marshaling.
*/
void marshalStructure(XMLStructure toMarshal, String dsPrefix, XMLCryptoContext context) throws MarshalException;
}