/*******************************************************************************
 * Software Name : RCS IMS Stack
 *
 * Copyright (C) 2010 France Telecom S.A.
 *
 * Licensed 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 com.orangelabs.rcs.provisioning.https;


import java.security.KeyStore;
import java.security.KeyStoreException;
import java.security.NoSuchAlgorithmException;
import java.security.cert.CertificateException;
import java.security.cert.X509Certificate;

import javax.net.ssl.TrustManager;
import javax.net.ssl.TrustManagerFactory;
import javax.net.ssl.X509TrustManager;

/**
 * @author olamy
 * @version $Id: EasyX509TrustManager.java 765355 2009-04-15 20:59:07Z evenisse $
 * @since 1.2.3
 */
public class EasyX509TrustManager
    implements X509TrustManager
{

    private X509TrustManager standardTrustManager = null;

    /**
     * Constructor for EasyX509TrustManager.
     */
    public EasyX509TrustManager( KeyStore keystore )
        throws NoSuchAlgorithmException, KeyStoreException
    {
        super();
        TrustManagerFactory factory = TrustManagerFactory.getInstance( TrustManagerFactory.getDefaultAlgorithm() );
        factory.init( keystore );
        TrustManager[] trustmanagers = factory.getTrustManagers();
        if ( trustmanagers.length == 0 )
        {
            throw new NoSuchAlgorithmException( "no trust manager found" );
        }
        this.standardTrustManager = (X509TrustManager) trustmanagers[0];
    }

    /**
     * @see javax2.net.ssl.X509TrustManager#checkClientTrusted(X509Certificate[],String authType)
     */
    public void checkClientTrusted( X509Certificate[] certificates, String authType )
        throws CertificateException
    {
        standardTrustManager.checkClientTrusted( certificates, authType );
    }

    /**
     * @see javax2.net.ssl.X509TrustManager#checkServerTrusted(X509Certificate[],String authType)
     */
    public void checkServerTrusted( X509Certificate[] certificates, String authType )
        throws CertificateException
    {
        if ( ( certificates != null ) && ( certificates.length == 1 ) )
        {
            certificates[0].checkValidity();
        }
        else
        {
            //standardTrustManager.checkServerTrusted( certificates, authType );
        }
    }

    /**
     * @see javax2.net.ssl.X509TrustManager#getAcceptedIssuers()
     */
    public X509Certificate[] getAcceptedIssuers()
    {
        return this.standardTrustManager.getAcceptedIssuers();
    }

}