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feilong is a suite of core and expanded libraries that include utility classes, http, excel,cvs, io classes, and much much more.
/*
* Copyright (C) 2008 feilong
*
* 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.feilong.net;
import static com.feilong.core.lang.ObjectUtil.defaultIfNullOrEmpty;
import javax.net.ssl.KeyManager;
import javax.net.ssl.SSLContext;
import javax.net.ssl.TrustManager;
import com.feilong.lib.net.util.SSLContextUtils;
import com.feilong.lib.net.util.TrustManagerUtils;
/**
* 用来构造 {@link SSLContext}, SSL全称是Secure Sockets Layer安全套接层协议层.
*
*
* 它是网景(Netscape)公司提出的基于 WEB 应用的安全协议
*
*
* @author feilong
* @see com.feilong.lib.net.util.SSLContextUtils
* @see javax.net.ssl.X509TrustManager
* @since 1.10.6
*/
public class SSLContextBuilder{
/** Don't let anyone instantiate this class. */
private SSLContextBuilder(){
//AssertionError不是必须的. 但它可以避免不小心在类的内部调用构造器. 保证该类在任何情况下都不会被实例化.
//see 《Effective Java》 2nd
throw new AssertionError("No " + getClass().getName() + " instances for you!");
}
//---------------------------------------------------------------
/**
* 构造 {@link SSLContext}.
*
* @param protocol
* 协议,参见 {@link SSLProtocol} ,如果 protocol
是null或者empty,那么默认使用 {@link SSLProtocol#TLS}
* @return 如果 protocol
是null或者empty,那么默认使用 {@link SSLProtocol#TLS}
* @see SSLProtocol
* @see com.feilong.lib.net.util.SSLContextUtils#createSSLContext(String, KeyManager[], TrustManager[])
* @see com.feilong.lib.net.util.TrustManagerUtils#getAcceptAllTrustManager()
*/
public static SSLContext build(String protocol){
try{
return SSLContextUtils.createSSLContext(
defaultIfNullOrEmpty(protocol, SSLProtocol.TLS),
null,
TrustManagerUtils.getAcceptAllTrustManager());
}catch (Exception e){
throw new UncheckedHttpException(e);
}
}
}