/*
* 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 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 com.aimluck.eip.common.ALEipConstants;
/**
* ブラウザにCSVファイルを返すクラスです。 <br />
*
*/
public abstract class ALCSVScreen extends RawScreen {
/** <code>logger</code> loger */
private static final JetspeedLogger logger = JetspeedLogFactoryService
.getLogger(ALCSVScreen.class.getName());
/** コンテントタイプ */
private static final String CONTENT_TYPE = "text/json;charset="
+ ALEipConstants.DEF_CONTENT_ENCODING;
/** CSV ファイルのエンコーディング名 */
public static final String DEF_CSV_FILE_ENCODING = "Shift_JIS";
private String csvFileEncoding = DEF_CSV_FILE_ENCODING;
/**
*
* @param rundata
* @throws Exception
*/
@Override
protected void doOutput(RunData rundata) throws Exception {
ServletOutputStream out = null;
try {
String result = getCSVString(rundata);
String fileName = getFileName();
HttpServletResponse response = rundata.getResponse();
// ファイル名の送信
response.setHeader("Content-disposition", "attachment; filename=\""
+ fileName
+ "\"");
response.setHeader("Cache-Control", "aipo");
response.setHeader("Pragma", "aipo");
// ファイル内容の出力
out = response.getOutputStream();
out.write(result.getBytes(csvFileEncoding));
out.flush();
out.close();
} catch (Exception e) {
logger.error("ALCSVScreen.doOutput", e);
}
}
/**
* ファイルに'\"'を正しく出力するためのエスケープを加えます。 <br />
*
* @param str
* @return
*/
protected String makeOutputItem(String str) {
StringBuffer buf = new StringBuffer();
char ch;
for (int i = 0; i < str.length(); i++) {
ch = str.charAt(i);
if (ch == '\"') {
buf.append(ch);
}
buf.append(ch);
}
return buf.toString();
}
/**
*
* @param rundata
* @return
*/
@Override
protected String getContentType(RunData rundata) {
return CONTENT_TYPE;
}
protected void setCsvEncoding(String encoding) {
csvFileEncoding = encoding;
}
/** ファイルに書き出す内容を取得します */
protected abstract String getCSVString(RunData rundata) throws Exception;
/** ファイル名を取得します */
protected abstract String getFileName();
}