SaAppException.java

package com.martin.simpledevelop.utils.global;

import java.net.ConnectException;
import java.net.SocketException;
import java.net.SocketTimeoutException;
import java.net.UnknownHostException;

import org.apache.http.client.ClientProtocolException;
import org.apache.http.conn.ConnectTimeoutException;
import org.apache.http.conn.HttpHostConnectException;

import com.martin.simpledevelop.utils.string.SaStrUtils;

/**
 * @Description  公共异常类.
 * @File SaAppException.java
 * @Package com.martin.simpledevelop.utils.global
 * @Date 2015年6月26日上午1:10:04
 * @Author Donghongyu 1358506549@qq.com
 * @Version v1.0.0
 */
public class SaAppException extends Exception {

	/** The Constant serialVersionUID. */
	private static final long serialVersionUID = 1;

	/** 异常消息. */
	private String msg = null;

	/**
	 * 构造异常类.
	 *
	 * @param e
	 *            异常
	 */
	public SaAppException(Exception e) {
		super();

		try {
			if (e instanceof HttpHostConnectException) {
				msg = SaAppConfig.UNKNOWN_HOST_EXCEPTION;
			} else if (e instanceof ConnectException) {
				msg = SaAppConfig.CONNECT_EXCEPTION;
			} else if (e instanceof ConnectTimeoutException) {
				msg = SaAppConfig.CONNECT_EXCEPTION;
			} else if (e instanceof UnknownHostException) {
				msg = SaAppConfig.UNKNOWN_HOST_EXCEPTION;
			} else if (e instanceof SocketException) {
				msg = SaAppConfig.SOCKET_EXCEPTION;
			} else if (e instanceof SocketTimeoutException) {
				msg = SaAppConfig.SOCKET_TIMEOUT_EXCEPTION;
			} else if (e instanceof NullPointerException) {
				msg = SaAppConfig.NULL_POINTER_EXCEPTION;
			} else if (e instanceof ClientProtocolException) {
				msg = SaAppConfig.CLIENT_PROTOCOL_EXCEPTION;
			} else {
				if (e == null || SaStrUtils.isEmpty(e.getMessage())) {
					msg = SaAppConfig.NULL_MESSAGE_EXCEPTION;
				} else {
					msg = e.getMessage();
				}
			}
		} catch (Exception e1) {
		}

	}

	/**
	 * 用一个消息构造异常类.
	 *
	 * @param message
	 *            异常的消息
	 */
	public SaAppException(String message) {
		super(message);
		msg = message;
	}

	/**
	 * 描述：获取异常信息.
	 *
	 * @return the message
	 */
	@Override
	public String getMessage() {
		return msg;
	}

}