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/*
 * PolicyWrapper.java
 *
 * @author Harpreet Singh (harpreet.singh@sun.com)
 * @author Ron Monzillo
 * @version
5B
 * Created on May 23, 2002, 1:56 PM
 */

package com.sun.enterprise.security.provider;

import java.security.Policy;

import com.sun.enterprise.security.provider.PolicyFile;

/**
 * This class is a wrapper around the default jdk policy file 
 * implementation. PolicyWrapper is installed as the JRE policy object
 * It multiplexes policy decisions to the context specific instance of
 * com.sun.enterprise.security.provider.PolicyFile.
 * Although this Policy provider is implemented using another Policy class,
 * this class is not a "delegating Policy provider" as defined by JACC, and
 * as such it SHOULD not be configured using the JACC system property
 * javax.security.jacc.policy.provider.
 * @author Harpreet Singh (harpreet.singh@sun.com)  
 * @author Jean-Francois Arcand
 * @author Ron Monzillo
 *
 */
public class PolicyWrapper extends BasePolicyWrapper {

    // this is the jdk policy file instance
    private java.security.Policy policy = null;
   
    /** Creates a new instance of PolicyWrapper */
    public PolicyWrapper() {
        // the jdk policy file implementation
        policy = getNewPolicy();
	// recompute the refreshTime that was computed by the superclass
	defaultContextChanged();
    }
    
    // override to change the implementation of PolicyFile
    protected Policy getNewPolicy() {
	return new com.sun.enterprise.security.provider.PolicyFile();
    }
}