You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
70 lines
2.8 KiB
70 lines
2.8 KiB
18 years ago
|
//Thumbnail.java
|
||
|
|
//------------
|
||
|
|
// part of YACY
|
||
|
|
//
|
||
|
|
// (C) 2007 Alexander Schier
|
||
|
|
//
|
||
|
|
// last change: $LastChangedDate: $ by $LastChangedBy: $
|
||
|
|
// $LastChangedRevision: $
|
||
|
|
//
|
||
|
|
// This program is free software; you can redistribute it and/or modify
|
||
|
|
// it under the terms of the GNU General Public License as published by
|
||
|
|
// the Free Software Foundation; either version 2 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 General Public License for more details.
|
||
|
|
//
|
||
|
|
// You should have received a copy of the GNU General Public License
|
||
|
|
// along with this program; if not, write to the Free Software
|
||
|
|
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
||
|
|
|
||
|
|
import java.io.BufferedReader;
|
||
|
|
import java.io.File;
|
||
|
|
import java.io.FileInputStream;
|
||
|
|
import java.io.IOException;
|
||
|
|
import java.io.InputStreamReader;
|
||
|
|
|
||
|
|
import de.anomic.http.httpHeader;
|
||
|
|
import de.anomic.plasma.plasmaSwitchboard;
|
||
|
|
import de.anomic.plasma.plasmaURL;
|
||
|
|
import de.anomic.server.serverObjects;
|
||
|
|
import de.anomic.server.serverSwitch;
|
||
|
|
import de.anomic.server.servletProperties;
|
||
|
|
|
||
|
|
public class Thumbnail{
|
||
|
|
public static serverObjects respond(httpHeader header, serverObjects post, serverSwitch env) {
|
||
|
|
servletProperties prop = new servletProperties();
|
||
|
|
String command=env.getConfig("thumbnailProgram", "");
|
||
|
|
if(command.equals("")||post==null||!post.containsKey("url")){
|
||
|
|
prop.put("image", "thumbnail cannot be generated"); //TODO: put a "thumbnail not possible" image.
|
||
|
|
return prop;
|
||
|
|
}
|
||
|
|
String[] cmdline=new String[3];
|
||
|
|
cmdline[0]=env.getConfig("thumbnailProgram", "");
|
||
|
|
cmdline[1]=post.get("url", "");
|
||
|
|
plasmaSwitchboard sb=plasmaSwitchboard.getSwitchboard();
|
||
|
|
File path=new File(sb.workPath, plasmaURL.urlHash(cmdline[1])+".png");
|
||
|
|
cmdline[2]=path.getAbsolutePath();//does not contain an extension!
|
||
|
|
try {
|
||
|
|
Runtime.getRuntime().exec(cmdline);
|
||
|
|
BufferedReader br = new BufferedReader(new InputStreamReader(new FileInputStream(path)));
|
||
|
|
String line;
|
||
|
|
StringBuffer image=new StringBuffer();
|
||
|
|
while((line=br.readLine())!=null){
|
||
|
|
image.append(line);
|
||
|
|
}
|
||
|
|
//path.delete(); //we do not cache, yet.
|
||
|
|
prop.put("image", image.toString());
|
||
|
|
} catch (IOException e) {
|
||
|
|
prop.put("image", "error creating thumbnail");//TODO: put a "thumbnail error" image.
|
||
|
|
}
|
||
|
|
httpHeader out_header=new httpHeader();
|
||
|
|
out_header.put(httpHeader.CONTENT_TYPE, "image/png");
|
||
|
|
prop.setOutgoingHeader(out_header);
|
||
|
|
return prop;
|
||
|
|
}
|
||
|
|
}
|