Java tutorial
/* * Copyright (C) 2012 www.amsoft.cn * * 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 cn.org.eshow.framwork.global; import org.apache.http.client.ClientProtocolException; import org.apache.http.conn.ConnectTimeoutException; import org.apache.http.conn.HttpHostConnectException; import java.net.ConnectException; import java.net.SocketException; import java.net.SocketTimeoutException; import java.net.UnknownHostException; import cn.org.eshow.framwork.util.AbStrUtil; /** * . */ public class AbAppException extends Exception { /** The Constant serialVersionUID. */ private static final long serialVersionUID = 1; /** ?. */ private String msg = null; /** * . * * @param e */ public AbAppException(Exception e) { super(); try { if (e instanceof HttpHostConnectException) { msg = AbAppConfig.UNKNOWN_HOST_EXCEPTION; } else if (e instanceof ConnectException) { msg = AbAppConfig.CONNECT_EXCEPTION; } else if (e instanceof ConnectTimeoutException) { msg = AbAppConfig.CONNECT_EXCEPTION; } else if (e instanceof UnknownHostException) { msg = AbAppConfig.UNKNOWN_HOST_EXCEPTION; } else if (e instanceof SocketException) { msg = AbAppConfig.SOCKET_EXCEPTION; } else if (e instanceof SocketTimeoutException) { msg = AbAppConfig.SOCKET_TIMEOUT_EXCEPTION; } else if (e instanceof NullPointerException) { msg = AbAppConfig.NULL_POINTER_EXCEPTION; } else if (e instanceof ClientProtocolException) { msg = AbAppConfig.CLIENT_PROTOCOL_EXCEPTION; } else { if (e == null || AbStrUtil.isEmpty(e.getMessage())) { msg = AbAppConfig.NULL_MESSAGE_EXCEPTION; } else { msg = e.getMessage(); } } } catch (Exception e1) { } } /** * ?. * * @param message ? */ public AbAppException(String message) { super(message); msg = message; } /** * ????. * * @return the message */ @Override public String getMessage() { return msg; } }