/*
* 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.FileNotFoundException;
import java.io.IOException;
import java.util.Calendar;
import java.util.Date;
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.services.TurbineServices;
import org.apache.turbine.util.RunData;
import com.aimluck.eip.common.ALPermissionException;
import com.aimluck.eip.services.accessctl.ALAccessControlFactoryService;
import com.aimluck.eip.services.accessctl.ALAccessControlHandler;
import com.aimluck.eip.util.ALEipUtils;
/**
* サムネイル画像を画像データとして出力するクラスです。 <br />
*
*/
public class FileuploadThumbnailScreen extends RawScreen {
/** logger */
private static final JetspeedLogger logger = JetspeedLogFactoryService
.getLogger(FileuploadThumbnailScreen.class.getName());
/** ファイル名 */
private String fileName = null;
/** サムネイル画像 */
private byte[] file = null;
private Date lastModified = null;
/**
*
* @param rundata
* @return
*/
@Override
protected String getContentType(RunData rundata) {
return "image/jpeg";
}
/**
* ファイル名
*
* @return
*/
protected String getFileName() {
return fileName;
}
/**
* ファイル名
*
* @return
*/
protected byte[] getFile() {
return file;
}
protected void setFileName(String fileName) {
this.fileName = fileName;
}
protected void setFile(byte[] file) {
this.file = file;
}
protected void setLastModified(Date date) {
this.lastModified = date;
}
protected Date getLastModified() {
return this.lastModified;
}
/**
*
* @param rundata
* @throws Exception
*/
@Override
protected void doOutput(RunData rundata) throws Exception {
ServletOutputStream out = null;
try {
HttpServletResponse response = rundata.getResponse();
long sec = 60 * 60 * 24 * 30;
response.setHeader("Cache-Control", "private, max-age=" + sec);
Calendar calendar = Calendar.getInstance();
calendar.add(Calendar.DATE, 30);
Date expired = calendar.getTime();
response.setDateHeader("Expires ", expired.getTime());
if (this.lastModified != null) {
response.setDateHeader("Last-Modified", this.lastModified.getTime());
}
// ファイル内容の出力
out = response.getOutputStream();
byte[] file = getFile();
if (file == null) {
// サムネイル画像がデータベースに保存されていない場合
throw new FileNotFoundException();
}
out.write(file);
out.flush();
} catch (Exception e) {
logger.error("FileuploadThumbnailScreen.doOutput", e);
} finally {
try {
if (out != null) {
out.close();
}
} catch (IOException ex) {
logger.error("FileuploadThumbnailScreen.doOutput", ex);
}
}
}
protected boolean doCheckAclPermission(RunData rundata, String pfeature,
int defineAclType) throws ALPermissionException {
ALAccessControlFactoryService aclservice =
(ALAccessControlFactoryService) ((TurbineServices) TurbineServices
.getInstance()).getService(ALAccessControlFactoryService.SERVICE_NAME);
ALAccessControlHandler aclhandler = aclservice.getAccessControlHandler();
if (!aclhandler.hasAuthority(
ALEipUtils.getUserId(rundata),
pfeature,
defineAclType)) {
throw new ALPermissionException();
}
return true;
}
}