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/*
* Copyright (c) 2010, 2018 Oracle and/or its affiliates. All rights reserved.
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Distribution License v. 1.0, which is available at
* http://www.eclipse.org/org/documents/edl-v10.php.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
/*
* $Id: EncryptionTarget.java,v 1.2 2010-10-21 15:37:34 snajper Exp $
*/
package com.sun.xml.wss.impl.policy.mls;
import java.security.spec.AlgorithmParameterSpec;
import java.util.Iterator;
import java.util.ArrayList;
import org.w3c.dom.Element;
/**
* Objects of this class represent an Encryption Target that can be part of
* the FeatureBinding for an EncryptionPolicy (refer EncryptionPolicy.FeatureBinding).
*/
public class EncryptionTarget extends Target implements Cloneable {
String _dataEncryptionAlgorithm = ""; // Rf. MessageConstants
ArrayList _cipherReferenceTransforms = new ArrayList();
Element drefData = null;
private boolean isOptimized = false;
/**
* Default constructor
*/
public EncryptionTarget() {}
/**
* Constructor that takes a Target
*/
public EncryptionTarget(Target target) {
this.setEnforce(target.getEnforce());
this.setType(target.getType());
this.setValue(target.getValue());
this.setContentOnly(target.getContentOnly());
}
/**
* Constructor
* @param algorithm Data Encryption Algorithm
*/
public EncryptionTarget(String algorithm) {
this._dataEncryptionAlgorithm = algorithm;
}
/**
* Constructor
* @param algorithm Data Encryption Algorithm
* @param transform Cipher Reference Transform
*/
@SuppressWarnings("unchecked")
public EncryptionTarget(String algorithm, String transform) {
this._dataEncryptionAlgorithm = algorithm;
this._cipherReferenceTransforms.add(new Transform(transform));
}
/**
* set the DataEncryptionAlgorithm
* @param algorithm Data Encryption Algorithm
*/
public void setDataEncryptionAlgorithm(String algorithm) {
this._dataEncryptionAlgorithm = algorithm;
}
/**
* @return Data Encryption Algorithm
*/
public String getDataEncryptionAlgorithm() {
return this._dataEncryptionAlgorithm;
}
/**
* add a CipherReference Transform
* @param transform Cipher Reference Transform
*/
@SuppressWarnings("unchecked")
public void addCipherReferenceTransform(String transform) {
this._cipherReferenceTransforms.add(new Transform(transform));
}
/**
* add a CipherReference Transform
* @param transform CipherReference Transform
*/
@SuppressWarnings("unchecked")
public void addCipherReferenceTransform(Transform transform) {
this._cipherReferenceTransforms.add(transform);
}
/**
* @return Collection of CipherReference Transforms
*/
public ArrayList getCipherReferenceTransforms() {
return _cipherReferenceTransforms;
}
/**
* @return a new instance of Encryption Transform
*/
public Transform newEncryptionTransform() {
return new Transform();
}
/**
* Equals operator
* @param target EncryptionTarget
* @return true if the target argument is equal to this Target
*/
public boolean equals(EncryptionTarget target) {
boolean b1 = _dataEncryptionAlgorithm.equals("") ? true :
_dataEncryptionAlgorithm.equals(target.getDataEncryptionAlgorithm());
boolean b2 = _cipherReferenceTransforms.equals(target.getCipherReferenceTransforms());
return b1 && b2;
}
/**
* clone operator
* @return a clone of this EncryptionTarget
*/
@SuppressWarnings("unchecked")
public Object clone() {
EncryptionTarget target = new EncryptionTarget();
try {
target.setDataEncryptionAlgorithm(_dataEncryptionAlgorithm);
target.setValue(this.getValue());
target.setType(this.getType());
target.setContentOnly(this.getContentOnly());
target.setEnforce(this.getEnforce());
Iterator i = getCipherReferenceTransforms().iterator();
while (i.hasNext()) {
Transform transform = (Transform) i.next();
target.getCipherReferenceTransforms().add(transform.clone());
}
} catch (Exception e) {}
return target;
}
public void setElementData(Element data){
this.drefData = data;
}
public Element getElementData(){
return this.drefData ;
}
/**
* This class represents a Transform that can appear on an EcncryptionTarget,
* Instances of this class are added as CipherReference Transforms on an EcncryptionTarget
*/
public static class Transform implements Cloneable {
String _transform = "";
AlgorithmParameterSpec _algorithmParameters = null;
/**
*Default constructor
*/
public Transform() {}
/**
* Constructor
* @param algorithm the URI for the transform alogrithm
*/
public Transform(String algorithm) {
this._transform = algorithm;
}
/**
* @return the algorithm parameters
*/
public AlgorithmParameterSpec getAlgorithmParameters() {
return this._algorithmParameters;
}
/**
* set any parameters for the Transform Algorithm
* @param params a HashMap of AlgorithmParameters
*/
public void setAlgorithmParameters(AlgorithmParameterSpec params) {
this._algorithmParameters= params;
}
/**
* set the Transform Algorithm
* @param algorithm the Algorithm for the Transform
*/
public void setTransform(String algorithm) {
this._transform = algorithm;
}
/**
* @return algorithm the transform algorithm
*/
public String getTransform() {
return this._transform;
}
/**
* equals operator
* @param transform the transform to be compared for equality
* @return true if the argument transform is equal to this transform
*/
public boolean equals(Transform transform) {
boolean b1 = _transform.equals("") ? true : _transform.equals(transform.getTransform());
if (!b1) return false;
boolean b2 = _algorithmParameters.equals(transform.getAlgorithmParameters());
if (!b2) return false;
return true;
}
/**
* clone operator
* @return a clone of this Transform
*/
public Object clone() {
Transform transform = new Transform(_transform);
transform.setAlgorithmParameters(_algorithmParameters);
return transform;
}
}
public boolean isIsOptimized () {
return isOptimized;
}
}