ActionReporter.java

/**
 * Copyright (c) 2011-2012, James Zhan 詹波 (jfinal@126.com).
 *
 * 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.jfinal.core;

import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.Enumeration;
import javax.servlet.http.HttpServletRequest;
import com.jfinal.aop.Interceptor;

/**
 * ActionReporter
 */
final class ActionReporter {
	
	private static final SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
	
	/**
	 * Report action before action invoking when the common request coming
	 */
	static final boolean reportCommonRequest(Controller controller, Action action) {
		String content_type = controller.getRequest().getContentType();
		if (content_type == null || content_type.toLowerCase().indexOf("multipart") == -1) {	// if (content_type == null || content_type.indexOf("multipart/form-data") == -1) {
			doReport(controller, action);
			return false;
		}
		return true;
	}
	
	/**
	 * Report action after action invoking when the multipart request coming
	 */
	static final void reportMultipartRequest(Controller controller, Action action) {
		doReport(controller, action);
	}
	
	private static final void doReport(Controller controller, Action action) {
		StringBuilder sb = new StringBuilder("\nJFinal action report -------- ").append(sdf.format(new Date())).append(" ------------------------------\n");
		Class<? extends Controller> cc = action.getControllerClass();
		sb.append("Controller  : ").append(cc.getName()).append(".(").append(cc.getSimpleName()).append(".java:1)");
		sb.append("\nMethod      : ").append(action.getMethodName()).append("\n");
		
		String urlParas = controller.getPara();
		if (urlParas != null) {
			sb.append("UrlPara     : ").append(urlParas).append("\n");
		}
		
		Interceptor[] inters = action.getInterceptors();
		if (inters.length > 0) {
			sb.append("Interceptor : ");
			for (int i=0; i<inters.length; i++) {
				if (i > 0)
					sb.append("\n              ");
				Interceptor inter = inters[i];
				Class<? extends Interceptor> ic = inter.getClass();
				sb.append(ic.getName()).append(".(").append(ic.getSimpleName()).append(".java:1)");
			}
			sb.append("\n");
		}
		
		// print all parameters
		HttpServletRequest request = controller.getRequest();
		@SuppressWarnings("unchecked")
		Enumeration<String> e = request.getParameterNames();
		if (e.hasMoreElements()) {
			sb.append("Parameter   : ");
			while (e.hasMoreElements()) {
				String name = e.nextElement();
				String[] values = request.getParameterValues(name);
				if (values.length == 1) {
					sb.append(name).append("=").append(values[0]);
				}
				else {
					sb.append(name).append("[]={");
					for (int i=0; i<values.length; i++) {
						if (i > 0)
							sb.append(",");
						sb.append(values[i]);
					}
					sb.append("}");
				}
				sb.append("  ");
			}
			sb.append("\n");
		}
		sb.append("--------------------------------------------------------------------------------\n");
		System.out.print(sb.toString());
	}
}