/*
 * Copyright 2013 EMC Corporation. All Rights Reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License").
 * You may not use this file except in compliance with the License.
 * A copy of the License is located at
 *
 * http://www.apache.org/licenses/LICENSE-2.0.txt
 *
 * or in the "license" file accompanying this file. This file 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 com.emc.atmos.mgmt.api.jersey;

import com.emc.acdp.AcdpException;
import com.emc.atmos.api.jersey.ErrorFilter;
import com.emc.atmos.mgmt.AtmosMgmtConfig;
import com.emc.util.SslUtil;
import com.sun.jersey.api.client.Client;
import com.sun.jersey.api.client.config.ClientConfig;
import com.sun.jersey.api.client.config.DefaultClientConfig;
import com.sun.jersey.client.urlconnection.HTTPSProperties;

public class JerseyUtil {
    public static Client createClient( AtmosMgmtConfig config ) {
        try {
            ClientConfig clientConfig = new DefaultClientConfig();

            // register an open trust manager to allow SSL connections to servers with self-signed certificates
            if ( config.isDisableSslValidation() ) {
                clientConfig.getProperties().put( HTTPSProperties.PROPERTY_HTTPS_PROPERTIES,
                                                  new HTTPSProperties( SslUtil.gullibleVerifier,
                                                                       SslUtil.createGullibleSslContext() ) );
            }

            Client client = Client.create( clientConfig );
            configureClient( client, config );
            return client;

        } catch ( Exception e ) {
            throw new AcdpException( "Error configuring REST client", e );
        }
    }

    /**
     * Note that this method cannot disable SSL validation, so that configuration option is ignored here. You are
     * responsible for configuring the client with any proxy, ssl or other options prior to calling this constructor.
     */
    public static void configureClient( Client client, AtmosMgmtConfig config ) {
        client.addFilter( new ErrorFilter() );
        client.addFilter( new AuthFilter( config ) );
    }

    private JerseyUtil() {
    }
}