com.bstek.urule.console.servlet.decisiontree.DecisionTreeEditorServletHandler Maven / Gradle / Ivy

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/*******************************************************************************
 * Copyright 2017 Bstek
 * 
 * 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.bstek.urule.console.servlet.decisiontree;

import java.io.IOException;
import java.io.PrintWriter;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.apache.velocity.Template;
import org.apache.velocity.VelocityContext;

import com.bstek.urule.console.servlet.RenderPageServletHandler;

/**
 * @author Jacky.gao
 * @since 2016年8月1日
 */
public class DecisionTreeEditorServletHandler extends RenderPageServletHandler{
	@Override
	public void execute(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
		String method=retriveMethod(req);
		if(method!=null){
			invokeMethod(method, req, resp);
		}else{
			VelocityContext context = new VelocityContext();
			context.put("contextPath", req.getContextPath());
			String file=req.getParameter("file");
			String project = buildProjectNameFromFile(file);
			if(project!=null){
				context.put("project", project);
			}
			resp.setContentType("text/html");
			resp.setCharacterEncoding("utf-8");
			Template template=ve.getTemplate("html/decisiontree-editor.html","utf-8");
			PrintWriter writer=resp.getWriter();
			template.merge(context, writer);
			writer.close();
		}
	}
	@Override
	public String url() {
		return "/decisiontreeeditor";
	}
}