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/*
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 *
 * Copyright (c) 2013 Oracle and/or its affiliates. All rights reserved.
 *
 * The contents of this file are subject to the terms of either the GNU
 * General Public License Version 2 only ("GPL") or the Common Development
 * and Distribution License("CDDL") (collectively, the "License").  You
 * may not use this file except in compliance with the License.  You can
 * obtain a copy of the License at
 * https://glassfish.dev.java.net/public/CDDL+GPL_1_1.html
 * or packager/legal/LICENSE.txt.  See the License for the specific
 * language governing permissions and limitations under the License.
 *
 * When distributing the software, include this License Header Notice in each
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 * GPL Classpath Exception:
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package org.glassfish.appclient.common;

import java.io.IOException;
import java.security.CodeSource;
import java.security.PermissionCollection;
import java.net.URLClassLoader;

import com.sun.enterprise.security.perms.SMGlobalPolicyUtil;
import com.sun.enterprise.security.integration.PermsHolder;

public class ClientClassLoaderDelegate {

    protected static final String PERMISSIONS_XML = "META-INF/permissions.xml";

    private URLClassLoader cl;
    
    private PermsHolder permHolder;

    public ClientClassLoaderDelegate(URLClassLoader cl) {
        this.cl = cl;
        loadPemissions();
    }
    
    
    private void loadPemissions() {
        try {
            processDeclaredPermissions();
        } catch (IOException e) {
            throw new RuntimeException(e);
        }
    }
    
    private void processDeclaredPermissions() throws IOException  {

        if (System.getSecurityManager() == null)
            return;
        
        PermissionCollection declaredPermissionCollection = 
            PermissionsUtil.getClientDeclaredPermissions(cl);
        
        PermissionCollection eePc = PermissionsUtil.getClientEEPolicy(cl);
        PermissionCollection eeRestriction = PermissionsUtil.getClientRestrictPolicy(cl); 

        SMGlobalPolicyUtil.checkRestriction(eePc, eeRestriction);
        SMGlobalPolicyUtil.checkRestriction(declaredPermissionCollection, eeRestriction);
        
        permHolder = new PermsHolder(eePc, declaredPermissionCollection, eeRestriction);
        
    }    

    public PermissionCollection getCachedPerms(CodeSource codesource) {
        
        return permHolder.getCachedPerms(codesource);
    }
    
    public PermissionCollection getPermissions(CodeSource codesource, 
            PermissionCollection parentPC ) {

        return permHolder.getPermissions(codesource, parentPC);
    }

}