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comparison flys-client/src/main/java/de/intevation/flys/client/server/MapPrintServiceImpl.java @ 2519:427df4e81af0

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Call MapFish Printer via servlet to evade viral GPLv3. flys-client/trunk@4398 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Sascha L. Teichmann <sascha.teichmann@intevation.de>
date Mon, 14 May 2012 09:52:04 +0000
parents 532c590beb3e
children 51ed89b754ae
comparison
equal deleted inserted replaced
2518:b3bf9e5ce9e6 2519:427df4e81af0
15 import de.intevation.artifacts.httpclient.http.response.DocumentResponseHandler; 15 import de.intevation.artifacts.httpclient.http.response.DocumentResponseHandler;
16 16
17 import de.intevation.flys.client.shared.model.MapConfig; 17 import de.intevation.flys.client.shared.model.MapConfig;
18 import de.intevation.flys.client.shared.MapUtils; 18 import de.intevation.flys.client.shared.MapUtils;
19 19
20 /*
20 import java.io.BufferedInputStream; 21 import java.io.BufferedInputStream;
21 import java.io.BufferedOutputStream; 22 import java.io.BufferedOutputStream;
22 import java.io.File; 23 import java.io.File;
23 import java.io.FileInputStream; 24 import java.io.FileInputStream;
24 import java.io.FileOutputStream; 25 import java.io.FileOutputStream;
26 */
25 import java.io.IOException; 27 import java.io.IOException;
26 import java.io.InputStream; 28 import java.io.InputStream;
27 import java.io.OutputStream; 29 import java.io.OutputStream;
30 import java.io.UnsupportedEncodingException;
31
32 import java.net.URLEncoder;
28 33
29 import java.util.ArrayList; 34 import java.util.ArrayList;
30 import java.util.Collections; 35 import java.util.Collections;
31 import java.util.LinkedHashMap; 36 import java.util.LinkedHashMap;
32 import java.util.List; 37 import java.util.List;
36 41
37 import javax.servlet.http.HttpServlet; 42 import javax.servlet.http.HttpServlet;
38 import javax.servlet.http.HttpServletRequest; 43 import javax.servlet.http.HttpServletRequest;
39 import javax.servlet.http.HttpServletResponse; 44 import javax.servlet.http.HttpServletResponse;
40 45
46 import org.apache.commons.httpclient.MultiThreadedHttpConnectionManager;
47
48 import org.apache.commons.httpclient.methods.GetMethod;
49
41 import org.apache.log4j.Logger; 50 import org.apache.log4j.Logger;
42 51
52 /* Used by direct API call. -> Enforce GPLv3
43 import org.mapfish.print.MapPrinter; 53 import org.mapfish.print.MapPrinter;
44
45 import org.mapfish.print.output.OutputFactory; 54 import org.mapfish.print.output.OutputFactory;
46 import org.mapfish.print.output.OutputFormat; 55 import org.mapfish.print.output.OutputFormat;
47 56
48 import org.mapfish.print.utils.PJsonObject; 57 import org.mapfish.print.utils.PJsonObject;
58 */
49 59
50 import org.w3c.dom.Document; 60 import org.w3c.dom.Document;
51 import org.w3c.dom.Element; 61 import org.w3c.dom.Element;
52 import org.w3c.dom.NodeList; 62 import org.w3c.dom.NodeList;
53 63
334 throw new ServletException("Missing server-url"); 344 throw new ServletException("Missing server-url");
335 } 345 }
336 return url; 346 return url;
337 } 347 }
338 348
349 private static final String encode(String s) {
350 try {
351 return URLEncoder.encode(s, "UTF-8");
352 }
353 catch (UnsupportedEncodingException usee) {
354 // Should not happen.
355 return s;
356 }
357 }
358
359 protected void producePDF(String json, HttpServletResponse resp)
360 throws ServletException, IOException
361 {
362 String printUrl = getInitParameter("print-url");
363
364 if (printUrl == null) {
365 throw new ServletException("Missing 'print-url' in web.xml");
366 }
367
368 String url = printUrl + "/print.pdf?spec=" + encode(json);
369
370 org.apache.commons.httpclient.HttpClient client =
371 new org.apache.commons.httpclient.HttpClient(
372 new MultiThreadedHttpConnectionManager());
373
374 GetMethod get = new GetMethod(url);
375 int result = client.executeMethod(get);
376 InputStream in = get.getResponseBodyAsStream();
377
378 if (in != null) {
379 try {
380 OutputStream out = resp.getOutputStream();
381 try {
382 byte [] buf = new byte[4096];
383 int r;
384 while ((r = in.read(buf)) >= 0) {
385 out.write(buf, 0, r);
386 }
387 out.flush();
388 }
389 finally {
390 out.close();
391 }
392 }
393 finally {
394 in.close();
395 }
396 }
397 }
398
399 /* Use this if you want directly call the MapPrinter. Enforces GPLv3!
400
339 protected MapPrinter getMapPrinter() throws ServletException, IOException { 401 protected MapPrinter getMapPrinter() throws ServletException, IOException {
340 String configPath = getInitParameter("config"); 402 String configPath = getInitParameter("config");
341 if (configPath == null) { 403 if (configPath == null) {
342 throw new ServletException("Missing configuration in web.xml"); 404 throw new ServletException("Missing configuration in web.xml");
343 } 405 }
351 throw new ServletException("Cannot read '" + configFile + "'"); 413 throw new ServletException("Cannot read '" + configFile + "'");
352 } 414 }
353 415
354 return new MapPrinter(configFile); 416 return new MapPrinter(configFile);
355 } 417 }
356
357 418
358 protected void producePDF(String json, HttpServletResponse resp) 419 protected void producePDF(String json, HttpServletResponse resp)
359 throws ServletException, IOException 420 throws ServletException, IOException
360 { 421 {
361 PJsonObject jsonSpec = MapPrinter.parseSpec(json); 422 PJsonObject jsonSpec = MapPrinter.parseSpec(json);
409 if (tmpFile.exists()) { 470 if (tmpFile.exists()) {
410 tmpFile.delete(); 471 tmpFile.delete();
411 } 472 }
412 } 473 }
413 } 474 }
475 */
414 } 476 }
415 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 : 477 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
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