📄 httpviewhandler.java

📁 Sequoia ERP是一个真正的企业级开源ERP解决方案。它提供的模块包括：电子商务应用(e-commerce), POS系统(point of sales),知识管理,存货与仓库管理

💻 JAVA

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/* * $Id: HttpViewHandler.java 5462 2005-08-05 18:35:48Z jonesde $ * * Copyright (c) 2001-2003 The Open For Business Project - www.ofbiz.org * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), * to deal in the Software without restriction, including without limitation * the rights to use, copy, modify, merge, publish, distribute, sublicense, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included * in all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT * OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR * THE USE OR OTHER DEALINGS IN THE SOFTWARE. * */package org.ofbiz.webapp.view;import java.io.IOException;import javax.servlet.ServletContext;import javax.servlet.http.HttpServletRequest;import javax.servlet.http.HttpServletResponse;import org.ofbiz.base.util.Debug;import org.ofbiz.base.util.HttpClient;import org.ofbiz.base.util.HttpClientException;/** * ViewHandlerException - View Handler Exception * * @author     <a href="mailto:jonesde@ofbiz.org">David E. Jones</a> * @version    $Rev: 5462 $ * @since      2.0 */public class HttpViewHandler implements ViewHandler {        public static final String module = HttpViewHandler.class.getName();    protected ServletContext context;    public void init(ServletContext context) throws ViewHandlerException {        this.context = context;    }    public void render(String name, String page, String info, String contentType, String encoding, HttpServletRequest request, HttpServletResponse response) throws ViewHandlerException {        // some containers call filters on EVERY request, even forwarded ones,        // so let it know that it came from the control servlet        if (request == null)            throw new ViewHandlerException("Null HttpServletRequest object");        if (page == null || page.length() == 0)            throw new ViewHandlerException("Null or empty source");        if (Debug.infoOn()) Debug.logInfo("Retreiving HTTP resource at: " + page, module);        try {            HttpClient httpClient = new HttpClient(page);            String pageText = httpClient.get();            // TODO: parse page and remove harmful tags like <HTML>, <HEAD>, <BASE>, etc - look into the OpenSymphony piece for an example            response.getWriter().print(pageText);        } catch (IOException e) {            throw new ViewHandlerException("IO Error in view", e);        } catch (HttpClientException e) {            throw new ViewHandlerException(e.getNonNestedMessage(), e.getNested());        }    }}

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