pmixmlpolicy.java

一个完整的XACML工程,学习XACML技术的好例子!

/*
* Copyright (c) 2006, University of Kent
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without 
* modification, are permitted provided that the following conditions are met:
*
* Redistributions of source code must retain the above copyright notice, this 
* list of conditions and the following disclaimer.
* 
* Redistributions in binary form must reproduce the above copyright notice, 
* this list of conditions and the following disclaimer in the documentation 
* and/or other materials provided with the distribution. 
*
* 1. Neither the name of the University of Kent nor the names of its 
* contributors may be used to endorse or promote products derived from this 
* software without specific prior written permission. 
*
* 2. THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS  
* IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 
* PURPOSE ARE DISCLAIMED. 
*
* 3. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
* 4. YOU AGREE THAT THE EXCLUSIONS IN PARAGRAPHS 2 AND 3 ABOVE ARE REASONABLE
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* IT IS INEVITABLE THAT THERE WILL BE BUGS AND ERRORS, AND POSSIBLY MORE
* SERIOUS FAULTS, IN THIS SOFTWARE.
*
* 5. This license is governed, except to the extent that local laws
* necessarily apply, by the laws of England and Wales.
*/

/*
* Copyright (c) 2000-2005, University of Salford
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without 
* modification, are permitted provided that the following conditions are met:
*
* Redistributions of source code must retain the above copyright notice, this 
* list of conditions and the following disclaimer.
* 
* Redistributions in binary form must reproduce the above copyright notice, 
* this list of conditions and the following disclaimer in the documentation 
* and/or other materials provided with the distribution. 
*
* Neither the name of the University of Salford nor the names of its 
* contributors may be used to endorse or promote products derived from this 
* software without specific prior written permission. 
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 
* POSSIBILITY OF SUCH DAMAGE.
*/

package issrg.ac.attributes;

import issrg.ac.*;
import iaik.asn1.*;
import iaik.asn1.structures.*;


/**
 * This is the class for the PMI XML Policy attribute.
 */

public class PMIXMLPolicy extends DistinctAttribute {
  /**
   * This is the OID of the Attribute
   */
  public final static String PMI_XML_POLICY_ATTRIBUTE_OID = "1.2.826.0.1.3344810.1.1.13";

  /**
   * This method registers this class with the Attribute class, so it will 
   * automatically pick up the
   * class for parsing PMI XML Policies.
   */
  public static void registerMe(){
    issrg.ac.Attribute.registerAttribute(PMI_XML_POLICY_ATTRIBUTE_OID, PMIXMLPolicy.class);
  }


  protected String policy = "";

  /**
   * Returns the XML of the Policy as a String.
   */
  public String getPolicy(){
    return policy;
  }

  /**
   * Sets the XML of the Policy as a String.
   */
  public void setPolicy(String policy){
    this.policy=policy;
  }

  protected PMIXMLPolicy() {}

  /**
   * This constructor builds a PMIXMLPolicy given ASN1Object of its value.
   *
   * @param ao - ASN1Object of the value of the PMIXMLPolicy attribute
   */
  public PMIXMLPolicy(ASN1Object ao)throws CodingException{
    decode(ao);
  }


  /**
   * This constructor builds a PMIXMLPolicy given a parsed AttributeValue.
   *
   * @param av - AttributeValue of the PMIXMLPolicy attribute
   */
  public PMIXMLPolicy(issrg.ac.AttributeValue av) throws CodingException{
    decode(av.getRawAttribute());
  }

  /**
   * This constructor creates a copy of a given PMIXMLPolicy.
   *
   * @param p - the PMIXMLPolicy to copy
   */
  public PMIXMLPolicy(PMIXMLPolicy p){
    policy = p.policy;
  }

  /**
   * This constructor creates a PMIXMLPolicy given a Policy XML as a String.
   *
   * @param p - the XML of the Policy
   */
  public PMIXMLPolicy(String p){
    policy = p;
  }


  /**
   * This method returns the ASN1Object of the PMIXMLPolicy attribute value.
   *
   * @return PrintableString containing the Policy XML as its value.
   */
  public ASN1Object toASN1Object(){
    return new PrintableString(policy);
  }

  /**
   * This method decodes a given ASN1Object and sets the policy XML as the 
   * value of this ASN1Object.
   *
   * @param ao - the ASN1Object; must be a PrintableString whose value is the
   *    policy XML
   */
  public void decode(ASN1Object ao) throws CodingException{
    if (!ao.isA(ASN.PrintableString)){
      throw new CodingException("PMIXMLPolicy PrintableString was expected");
    }

    policy = (String)ao.getValue();
  }

  public String toString(int indent){
    return "pMIXMLPolicy = "+policy;
  }

  public Object clone(){
    return new PMIXMLPolicy(this);
  }
}