/*
* JBoss, Home of Professional Open Source
* Copyright 2007, JBoss Inc., and individual contributors as indicated
* by the @authors tag. See the copyright.txt in the distribution for a
* full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.jboss.security.xacml.core;
import java.io.InputStream;
import java.net.URL;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import org.jboss.security.xacml.bridge.JBossPolicyFinder;
import org.jboss.security.xacml.interfaces.ContextMapOp;
import org.jboss.security.xacml.interfaces.XACMLConstants;
import org.jboss.security.xacml.interfaces.XACMLPolicy;
import org.jboss.security.xacml.sunxacml.AbstractPolicy;
import org.jboss.security.xacml.util.XACMLPolicyUtil;
/**
* JBossXACML Policy
* @author Anil.Saldhana@redhat.com
* @since Jul 6, 2007
* @version $Revision$
*/
public class JBossXACMLPolicy implements XACMLPolicy, ContextMapOp
{
private JBossPolicyFinder finder = new JBossPolicyFinder();
private List<XACMLPolicy> enclosingPolicies = new ArrayList<XACMLPolicy>();
private int policyType = XACMLPolicy.POLICY;
private Map<String, Object> map = new HashMap<String, Object>();
/**
* Construct a JBossXACMLPolicy
* @param url url to the policy file
* @param type type (Policy or PolicySet)
* @throws Exception
* @see XACMLConstants
*/
public JBossXACMLPolicy(URL url, int type) throws Exception
{
this(url.openStream(), type);
}
/**
* Construct a JBossXACMLPolicy
* @param is Inputstream to the policy file
* @param type type (Policy or PolicySet)
* @throws Exception
* @see XACMLConstants
*/
public JBossXACMLPolicy(InputStream is, int type) throws Exception
{
AbstractPolicy policy = null;
XACMLPolicyUtil xpu = new XACMLPolicyUtil();
this.policyType = type;
if(type == XACMLPolicy.POLICYSET)
{
policy = xpu.createPolicySet(is, finder);
map.put(XACMLConstants.POLICY_FINDER, finder);
}
else
if(type == XACMLPolicy.POLICY)
{
policy = xpu.createPolicy(is);
}
else
throw new RuntimeException("Unknown type");
map.put(XACMLConstants.UNDERLYING_POLICY, policy);
}
/**
* Construct a JBossXACMLPolicy instance
* @param is Inputstream to the policy/policyset file
* @param type policy or policyset
* @param theFinder PolicySet processing needs this
* @throws Exception
* @see XACMLConstants
*/
public JBossXACMLPolicy(InputStream is, int type, JBossPolicyFinder theFinder) throws Exception
{
AbstractPolicy policy = null;
XACMLPolicyUtil xpu = new XACMLPolicyUtil();
this.policyType = type;
if(type == XACMLPolicy.POLICYSET)
{
if(theFinder == null)
throw new IllegalArgumentException("policy finder is null");
policy = xpu.createPolicySet(is, theFinder);
map.put(XACMLConstants.POLICY_FINDER, theFinder);
}
else
if(type == XACMLPolicy.POLICY)
{
policy = xpu.createPolicy(is);
}
else
throw new RuntimeException("Unknown type");
map.put(XACMLConstants.UNDERLYING_POLICY, policy);
}
/**
* @see XACMLPolicy#getType()
* @see XACMLConstants
*/
public int getType()
{
return this.policyType;
}
/**
* @see XACMLPolicy#setEnclosingPolicies(List)
*/
public void setEnclosingPolicies(List<XACMLPolicy> policies)
{
enclosingPolicies.addAll(policies);
}
/**
* @see XACMLPolicy#getEnclosingPolicies()
*/
public List<XACMLPolicy> getEnclosingPolicies()
{
return enclosingPolicies;
}
/**
* @see ContextMapOp#get(String)
*/
@SuppressWarnings("unchecked")
public <T> T get(String key)
{
return (T) map.get(key);
}
/**
* @see ContextMapOp#set(String, Object)
*/
public <T> void set(String key, T obj)
{
map.put(key, obj);
}
}