/*
* Aipo is a groupware program developed by TOWN, Inc.
* Copyright (C) 2004-2015 TOWN, Inc.
* http://www.aipo.com
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package com.aimluck.eip.modules.screens;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.ArrayList;
import java.util.List;
import javax.servlet.ServletInputStream;
import javax.servlet.ServletOutputStream;
import javax.servlet.http.HttpServletResponse;
import org.apache.jetspeed.services.logging.JetspeedLogFactoryService;
import org.apache.jetspeed.services.logging.JetspeedLogger;
import org.apache.turbine.modules.screens.RawScreen;
import org.apache.turbine.util.RunData;
import org.apache.velocity.VelocityContext;
import org.apache.velocity.context.Context;
import com.aimluck.eip.common.ALEipConstants;
import com.aimluck.eip.modules.actions.common.ALAction;
import com.aimluck.eip.util.ALEipUtils;
/**
* ブラウザにJSONデータを返すクラスです。 <br />
*
*/
public abstract class ALJSONScreen extends RawScreen implements ALAction {
/** <code>logger</code> loger */
private static final JetspeedLogger logger = JetspeedLogFactoryService
.getLogger(ALJSONScreen.class.getName());
/** コンテントタイプ */
private static final String CONTENT_TYPE = "text/json;charset="
+ ALEipConstants.DEF_CONTENT_ENCODING;
/** 表示モード */
private String mode = "";
/** result */
private Object result;
/** 検索結果を格納するリスト */
private List<Object> resultList;
/** 正常系のメッセージを格納するリスト */
private List<String> msgList;
/** 異常系のメッセージを格納するリスト */
private List<String> errmsgList;
/**
*
* @param rundata
* @throws Exception
*/
@Override
protected void doOutput(RunData rundata) throws Exception {
ServletOutputStream out = null;
// Todo: ログイン確認処理
VelocityContext context = new VelocityContext();
if (rundata.getParameters().containsKey("mode")) {
mode = rundata.getParameters().getString("mode");
} else {
mode = "";
}
try {
ALEipUtils.setupContext(rundata, context);
StringBuffer result =
new StringBuffer().append(getPrefix()).append(
getJSONString(rundata, context)).append(getSuffix());
byte[] byteResult =
result.toString().getBytes(ALEipConstants.DEF_CONTENT_ENCODING);
HttpServletResponse response = rundata.getResponse();
out = response.getOutputStream();
out.write(byteResult);
out.flush();
out.close();
} catch (Exception e) {
logger.error("ALJSONScreen.doOutput", e);
}
}
/**
*
* @param rundata
* @return
*/
@Override
protected String getContentType(RunData rundata) {
return CONTENT_TYPE;
}
protected abstract String getJSONString(RunData rundata, Context context)
throws Exception;
/**
*
* @param obj
*/
@Override
public void setResultData(Object obj) {
result = obj;
}
/**
*
* @param obj
*/
@Override
public void addResultData(Object obj) {
if (resultList == null) {
resultList = new ArrayList<Object>();
}
resultList.add(obj);
}
/**
*
* @param objList
*/
@Override
public void setResultDataList(List<Object> objList) {
resultList = objList;
}
/**
*
* @param msg
*/
@Override
public void addErrorMessage(String msg) {
if (errmsgList == null) {
errmsgList = new ArrayList<String>();
}
errmsgList.add(msg);
}
/**
*
* @param msg
*/
@Override
public void addErrorMessages(List<String> msgs) {
if (errmsgList == null) {
errmsgList = new ArrayList<String>();
}
errmsgList.addAll(msgs);
}
/**
*
* @param msgs
*/
@Override
public void setErrorMessages(List<String> msgs) {
errmsgList = msgs;
}
/**
*
* @param mode
*/
@Override
public void setMode(String mode) {
this.mode = mode;
}
/**
*
* @return
*/
@Override
public String getMode() {
return mode;
}
/**
*
* @param context
*/
@Override
public void putData(RunData rundata, Context context) {
context.put(ALEipConstants.MODE, mode);
context.put(ALEipConstants.RESULT, result);
context.put(ALEipConstants.RESULT_LIST, resultList);
context.put(ALEipConstants.MESSAGE_LIST, msgList);
context.put(ALEipConstants.ERROR_MESSAGE_LIST, errmsgList);
context.put(ALEipConstants.ENTITY_ID, ALEipUtils.getTemp(
rundata,
context,
ALEipConstants.ENTITY_ID));
}
protected String getPrefix() {
return "/*";
}
protected String getSuffix() {
return "*/";
}
protected String getPayload(RunData rundata) {
StringBuilder str = new StringBuilder();
ServletInputStream in = null;
BufferedReader r = null;
try {
in = rundata.getRequest().getInputStream();
r = new BufferedReader(new InputStreamReader(in));
String sLine;
while ((sLine = r.readLine()) != null) {
str.append(sLine);
}
} catch (IOException e) {
logger.warn("[ALJSONScreen]", e);
} finally {
if (r != null) {
try {
r.close();
} catch (IOException e) {
// ignore
}
}
if (in != null) {
try {
in.close();
} catch (IOException e) {
// ignore
}
}
}
return str.toString();
}
}