com.gcrm.util.ExceptionInterceptor.java Source code

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Here is the source code for com.gcrm.util.ExceptionInterceptor.java

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/**
 * Copyright (C) 2012 - 2013, Grass CRM Studio
 *
 * 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.gcrm.util;

import java.util.ResourceBundle;

import org.apache.log4j.Logger;
import org.springframework.dao.DataIntegrityViolationException;
import org.springframework.security.access.AccessDeniedException;

import com.opensymphony.xwork2.Action;
import com.opensymphony.xwork2.ActionInvocation;
import com.opensymphony.xwork2.ActionSupport;
import com.opensymphony.xwork2.interceptor.Interceptor;

/**
 * Exception interceptor
 */
public class ExceptionInterceptor implements Interceptor {

    private static final long serialVersionUID = -8471937545040722947L;

    private final Logger logger = Logger.getLogger(this.getClass());

    public void destroy() {
        // no logic
    }

    public void init() {
        // no logic
    }

    /**
     * Intercepts exception
     * 
     * @param action
     *            target action
     * @return Action result
     */
    public String intercept(ActionInvocation action) throws Exception {
        String result = Action.SUCCESS;

        try {
            result = action.invoke();
        } catch (Exception e) {
            result = Action.INPUT;
            logger.error(e.getMessage(), e);
            ActionSupport actionSupport = (ActionSupport) action.getAction();
            String errorMessage = e.getMessage();
            ResourceBundle rb = CommonUtil.getResourceBundle();
            if (e instanceof DataIntegrityViolationException) {
                errorMessage = rb.getString("error.message.head") + ":"
                        + rb.getString("error.message.violationException");
            } else if (e instanceof AccessDeniedException) {
                result = "accessDenied";
            }
            actionSupport.addActionError(errorMessage);
        }

        return result;
    }
}