csvviewresolver.java

ecside jsp前途分页的标签 实现ajax 增删改查等

/*
 * Copyright 2004 original author or authors.
 *
 * 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 org.ecside.view;

import java.io.ByteArrayOutputStream;

import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;

import org.ecside.core.Preferences;

/**
 * @author Jeff Johnston
 */
public class CsvViewResolver implements ViewResolver {
    public void resolveView(ServletRequest request, ServletResponse response, Preferences preferences, Object viewData) throws Exception {
    	
    	if (viewData!=null){
    		ByteArrayOutputStream out = (ByteArrayOutputStream)viewData;
    		byte[] contents = out.toByteArray();
        	response.setContentLength(contents.length);
	    	response.getOutputStream().write(contents);
    	}
    }
}