/**
* Copyright (c) 2011-2013, kidzhou 周磊 (zhouleib1412@gmail.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.ext.render;
import java.io.IOException;
import java.io.PrintWriter;
import java.text.MessageFormat;
import com.jfinal.render.Render;
import com.jfinal.render.RenderException;
@SuppressWarnings("serial")
public class DwzRender extends Render {
private static final String CONTENT_TYPE = "text/html;charset=" + getEncoding();
public static DwzRender closeCurrentAndRefresh(String refreshNavTabId) {
DwzRender dwzRender = new DwzRender();
dwzRender.navTabId = refreshNavTabId;
dwzRender.callbackType = "closeCurrent";
return dwzRender;
}
public static DwzRender error() {
DwzRender dwzRender = new DwzRender();
dwzRender.statusCode = "300";
dwzRender.message = "操作失败";
return dwzRender;
}
public static DwzRender error(String errorMsg) {
DwzRender dwzRender = new DwzRender();
dwzRender.statusCode = "300";
dwzRender.message = errorMsg;
return dwzRender;
}
public static Render refresh(String refreshNavTabId) {
DwzRender dwzRender = new DwzRender();
dwzRender.navTabId = refreshNavTabId;
return dwzRender;
}
public static DwzRender success() {
DwzRender dwzRender = new DwzRender();
dwzRender.message("操作成功");
return dwzRender;
}
public static DwzRender success(String successMsg) {
DwzRender dwzRender = new DwzRender();
dwzRender.message(successMsg);
return dwzRender;
}
private String callbackType = "";
private String confirmMsg = "";
private String forwardUrl = "";
private String message = "";
private String navTabId = "";
private String rel = "";
private String statusCode = "200";
public DwzRender() {
}
public DwzRender(String message, String navTabId, String callbackType) {
this.message = message;
this.navTabId = navTabId;
this.callbackType = callbackType;
}
public DwzRender callbackType(String callbackType) {
this.callbackType = callbackType;
return this;
}
public DwzRender confirmMsg(String confirmMsg) {
this.confirmMsg = confirmMsg;
return this;
}
public DwzRender forwardUrl(String forwardUrl) {
this.forwardUrl = forwardUrl;
return this;
}
public DwzRender message(String message) {
this.message = message;
return this;
}
public DwzRender navTabId(String navTabId) {
this.navTabId = navTabId;
return this;
}
public DwzRender rel(String rel) {
this.rel = rel;
return this;
}
@Override
public void render() {
PrintWriter writer = null;
String dwz = "\"statusCode\":\"{0}\",\"message\":\"{1}\",\"navTabId\":\"{2}\",\"rel\":\"{3}\","
+ "\"callbackType\":\"{4}\",\"forwardUrl\":\"{5}\",\"confirmMsg\":\"{6}\"";
dwz = "{\n"
+ MessageFormat.format(dwz, statusCode, message, navTabId, rel, callbackType, forwardUrl, confirmMsg)
+ "\n}";
try {
response.setHeader("Pragma", "no-cache"); // HTTP/1.0 caches might not implement Cache-Control and might
// only implement Pragma:
// no-cache
response.setHeader("Cache-Control", "no-cache");
response.setDateHeader("Expires", 0);
response.setContentType(CONTENT_TYPE);
writer = response.getWriter();
writer.write(dwz);
writer.flush();
} catch (IOException e) {
throw new RenderException(e);
} finally {
if (writer != null) {
writer.close();
}
}
}
public DwzRender statusCode(String statusCode) {
this.statusCode = statusCode;
return this;
}
}