/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements. See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership. The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License. You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied. See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */
package org.apache.rampart.samples.policy.sample09;

import org.apache.axiom.om.OMAbstractFactory;
import org.apache.axiom.om.OMElement;
import org.apache.axiom.om.OMFactory;
import org.apache.axiom.om.OMNamespace;
import org.apache.axiom.om.OMXMLBuilderFactory;
import org.apache.axiom.om.OMXMLParserWrapper;
import org.apache.axis2.addressing.EndpointReference;
import org.apache.axis2.client.Options;
import org.apache.axis2.client.ServiceClient;
import org.apache.axis2.context.ConfigurationContext;
import org.apache.axis2.context.ConfigurationContextFactory;
import org.apache.neethi.Policy;
import org.apache.neethi.PolicyEngine;
import org.apache.rampart.RampartMessageData;

import java.io.File;
import java.io.FileInputStream;

public class Client {

    public static void main(String[] args) throws Exception {
        
        if(args.length != 3) {
            System.out.println("Usage: $java Client endpoint_address client_repo_path policy_xml_path");
        }
        
        ConfigurationContext ctx = ConfigurationContextFactory.createConfigurationContextFromFileSystem(args[1], null);
        
        ServiceClient client = new ServiceClient(ctx, null);
        Options options = new Options();
        options.setAction("urn:echo");
        options.setTo(new EndpointReference(args[0]));
        //load and attach in/out sec policies
        File policyPath= new File(args[2]).getParentFile();
        options.setProperty(RampartMessageData.KEY_RAMPART_IN_POLICY, loadPolicy(new File(policyPath, "client_in_policy.xml")));
        options.setProperty(RampartMessageData.KEY_RAMPART_OUT_POLICY, loadPolicy(new File(policyPath, "/client_out_policy.xml")));
        client.setOptions(options);
        
        client.engageModule("addressing");
        client.engageModule("rampart");

        OMElement response = client.sendReceive(getPayload("Hello world"));
        
        System.out.println(response);
        
    }
    
    private static Policy loadPolicy(File xmlPath) throws Exception {
        OMXMLParserWrapper builder = OMXMLBuilderFactory.createOMBuilder(new FileInputStream(xmlPath));
        return PolicyEngine.getPolicy(builder.getDocumentElement());
    }
    
    private static OMElement getPayload(String value) {
        OMFactory factory = OMAbstractFactory.getOMFactory();
        OMNamespace ns = factory.createOMNamespace("http://sample09.policy.samples.rampart.apache.org","ns1");
        OMElement elem = factory.createOMElement("echo", ns);
        OMElement childElem = factory.createOMElement("param0", ns);
        childElem.setText(value);
        elem.addChild(childElem);
        
        return elem;
    }
    
}