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package org.glassfish.appclient.client.acc;

import java.net.URL;
import java.net.URLClassLoader;
import java.security.CodeSource;
import java.security.PermissionCollection;

import org.glassfish.appclient.common.ClientClassLoaderDelegate;

public class JWSACCClassLoader extends URLClassLoader {

    private ClientClassLoaderDelegate clientCLDelegate;

    public JWSACCClassLoader(URL[] urls, ClassLoader parent) {
        super(urls, parent);

        clientCLDelegate = new ClientClassLoaderDelegate(this);
    }

    
    @Override
    protected PermissionCollection getPermissions(CodeSource codesource) {

        if (System.getSecurityManager() == null)
            return super.getPermissions(codesource);
        
        //when security manager is enabled, find the declared permissions        
        if (clientCLDelegate.getCachedPerms(codesource) != null)
            return clientCLDelegate.getCachedPerms(codesource);
        
        return clientCLDelegate.getPermissions(codesource, 
                super.getPermissions(codesource));
    }

}




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