mpdl-group: software/mpdl-services/mpiwg-mpdl-cms/src/de/mpg/mpiwg/berlin/mpdl/cms/document/PdfHandlerUserAgent.java annotate

author	Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
date	Tue, 27 Nov 2012 12:35:19 +0100
parents
children

rev	line source
23 e845310098ba diverse Korrekturen Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de> parents: diff changeset	1 package de.mpg.mpiwg.berlin.mpdl.cms.document;
e845310098ba diverse Korrekturen Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de> parents: diff changeset	2
e845310098ba diverse Korrekturen Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de> parents: diff changeset	3 import java.io.IOException;
e845310098ba diverse Korrekturen Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de> parents: diff changeset	4 import java.io.InputStream;
e845310098ba diverse Korrekturen Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de> parents: diff changeset	5 import java.net.URL;
e845310098ba diverse Korrekturen Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de> parents: diff changeset	6 import java.util.logging.Logger;
e845310098ba diverse Korrekturen Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de> parents: diff changeset	7
e845310098ba diverse Korrekturen Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de> parents: diff changeset	8 import org.xhtmlrenderer.layout.SharedContext;
e845310098ba diverse Korrekturen Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de> parents: diff changeset	9 import org.xhtmlrenderer.pdf.ITextFSImage;
e845310098ba diverse Korrekturen Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de> parents: diff changeset	10 import org.xhtmlrenderer.pdf.ITextOutputDevice;
e845310098ba diverse Korrekturen Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de> parents: diff changeset	11 import org.xhtmlrenderer.pdf.PDFAsImage;
e845310098ba diverse Korrekturen Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de> parents: diff changeset	12 import org.xhtmlrenderer.resource.ImageResource;
e845310098ba diverse Korrekturen Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de> parents: diff changeset	13 import org.xhtmlrenderer.swing.NaiveUserAgent;
e845310098ba diverse Korrekturen Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de> parents: diff changeset	14
e845310098ba diverse Korrekturen Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de> parents: diff changeset	15 import com.lowagie.text.Image;
e845310098ba diverse Korrekturen Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de> parents: diff changeset	16 import com.lowagie.text.Rectangle;
e845310098ba diverse Korrekturen Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de> parents: diff changeset	17 import com.lowagie.text.pdf.PdfReader;
e845310098ba diverse Korrekturen Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de> parents: diff changeset	18
e845310098ba diverse Korrekturen Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de> parents: diff changeset	19 public class PdfHandlerUserAgent extends NaiveUserAgent {
e845310098ba diverse Korrekturen Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de> parents: diff changeset	20 private static final int IMAGE_CACHE_CAPACITY = 32;
e845310098ba diverse Korrekturen Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de> parents: diff changeset	21 private static final float DEFAULT_DOTS_PER_POINT = 20f * 4f / 3f;
e845310098ba diverse Korrekturen Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de> parents: diff changeset	22 private static Logger LOGGER = Logger.getLogger(PdfHandlerUserAgent.class.getName());
e845310098ba diverse Korrekturen Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de> parents: diff changeset	23 private SharedContext sharedContext;
e845310098ba diverse Korrekturen Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de> parents: diff changeset	24 private ITextOutputDevice outputDevice;
e845310098ba diverse Korrekturen Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de> parents: diff changeset	25
e845310098ba diverse Korrekturen Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de> parents: diff changeset	26 public PdfHandlerUserAgent() {
e845310098ba diverse Korrekturen Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de> parents: diff changeset	27 super(IMAGE_CACHE_CAPACITY);
e845310098ba diverse Korrekturen Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de> parents: diff changeset	28 outputDevice = new ITextOutputDevice(DEFAULT_DOTS_PER_POINT);
e845310098ba diverse Korrekturen Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de> parents: diff changeset	29 }
e845310098ba diverse Korrekturen Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de> parents: diff changeset	30
e845310098ba diverse Korrekturen Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de> parents: diff changeset	31 @SuppressWarnings("unchecked")
e845310098ba diverse Korrekturen Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de> parents: diff changeset	32 public ImageResource getImageResource(String inputUri) {
e845310098ba diverse Korrekturen Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de> parents: diff changeset	33 ImageResource resource = null;
e845310098ba diverse Korrekturen Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de> parents: diff changeset	34 String uri = resolveURI(inputUri);
e845310098ba diverse Korrekturen Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de> parents: diff changeset	35 resource = (ImageResource) _imageCache.get(uri);
e845310098ba diverse Korrekturen Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de> parents: diff changeset	36 if (resource == null) {
e845310098ba diverse Korrekturen Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de> parents: diff changeset	37 InputStream is = resolveAndOpenStream(uri);
e845310098ba diverse Korrekturen Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de> parents: diff changeset	38 if (is != null) {
e845310098ba diverse Korrekturen Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de> parents: diff changeset	39 try {
e845310098ba diverse Korrekturen Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de> parents: diff changeset	40 URL url = new URL(uri);
e845310098ba diverse Korrekturen Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de> parents: diff changeset	41 if (url.getPath() != null && url.getPath().toLowerCase().endsWith(".pdf")) {
e845310098ba diverse Korrekturen Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de> parents: diff changeset	42 PdfReader reader = outputDevice.getReader(url);
e845310098ba diverse Korrekturen Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de> parents: diff changeset	43 PDFAsImage image = new PDFAsImage(url);
e845310098ba diverse Korrekturen Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de> parents: diff changeset	44 Rectangle rect = reader.getPageSizeWithRotation(1);
e845310098ba diverse Korrekturen Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de> parents: diff changeset	45 image.setInitialWidth(rect.getWidth()*outputDevice.getDotsPerPoint());
e845310098ba diverse Korrekturen Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de> parents: diff changeset	46 image.setInitialHeight(rect.getHeight()*outputDevice.getDotsPerPoint());
e845310098ba diverse Korrekturen Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de> parents: diff changeset	47 resource = new ImageResource(image);
e845310098ba diverse Korrekturen Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de> parents: diff changeset	48 } else {
e845310098ba diverse Korrekturen Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de> parents: diff changeset	49 Image image = getImage(url);
e845310098ba diverse Korrekturen Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de> parents: diff changeset	50 if (image == null)
e845310098ba diverse Korrekturen Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de> parents: diff changeset	51 return null;
e845310098ba diverse Korrekturen Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de> parents: diff changeset	52 scaleToOutputResolution(image);
e845310098ba diverse Korrekturen Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de> parents: diff changeset	53 resource = new ImageResource(new ITextFSImage(image));
e845310098ba diverse Korrekturen Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de> parents: diff changeset	54 }
e845310098ba diverse Korrekturen Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de> parents: diff changeset	55 _imageCache.put(uri, resource);
e845310098ba diverse Korrekturen Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de> parents: diff changeset	56 } catch (IOException e) {
e845310098ba diverse Korrekturen Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de> parents: diff changeset	57 LOGGER.severe("Can't get image file: unexpected problem for URI: '" + uri + "': " + e.getMessage());
e845310098ba diverse Korrekturen Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de> parents: diff changeset	58 } finally {
e845310098ba diverse Korrekturen Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de> parents: diff changeset	59 try {
e845310098ba diverse Korrekturen Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de> parents: diff changeset	60 if (is != null)
e845310098ba diverse Korrekturen Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de> parents: diff changeset	61 is.close();
e845310098ba diverse Korrekturen Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de> parents: diff changeset	62 } catch (IOException e) {
e845310098ba diverse Korrekturen Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de> parents: diff changeset	63 // ignore
e845310098ba diverse Korrekturen Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de> parents: diff changeset	64 }
e845310098ba diverse Korrekturen Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de> parents: diff changeset	65 }
e845310098ba diverse Korrekturen Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de> parents: diff changeset	66 }
e845310098ba diverse Korrekturen Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de> parents: diff changeset	67 }
e845310098ba diverse Korrekturen Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de> parents: diff changeset	68 if (resource == null) {
e845310098ba diverse Korrekturen Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de> parents: diff changeset	69 resource = new ImageResource(null);
e845310098ba diverse Korrekturen Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de> parents: diff changeset	70 }
e845310098ba diverse Korrekturen Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de> parents: diff changeset	71 return resource;
e845310098ba diverse Korrekturen Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de> parents: diff changeset	72 }
e845310098ba diverse Korrekturen Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de> parents: diff changeset	73
e845310098ba diverse Korrekturen Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de> parents: diff changeset	74 private void scaleToOutputResolution(Image image) {
e845310098ba diverse Korrekturen Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de> parents: diff changeset	75 float factor = sharedContext.getDotsPerPixel();
e845310098ba diverse Korrekturen Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de> parents: diff changeset	76 image.scaleAbsolute(image.getPlainWidth() * factor, image.getPlainHeight() * factor);
e845310098ba diverse Korrekturen Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de> parents: diff changeset	77 }
e845310098ba diverse Korrekturen Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de> parents: diff changeset	78
e845310098ba diverse Korrekturen Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de> parents: diff changeset	79 public SharedContext getSharedContext() {
e845310098ba diverse Korrekturen Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de> parents: diff changeset	80 return sharedContext;
e845310098ba diverse Korrekturen Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de> parents: diff changeset	81 }
e845310098ba diverse Korrekturen Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de> parents: diff changeset	82
e845310098ba diverse Korrekturen Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de> parents: diff changeset	83 public void setSharedContext(SharedContext sharedContext) {
e845310098ba diverse Korrekturen Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de> parents: diff changeset	84 this.sharedContext = sharedContext;
e845310098ba diverse Korrekturen Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de> parents: diff changeset	85 }
e845310098ba diverse Korrekturen Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de> parents: diff changeset	86
e845310098ba diverse Korrekturen Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de> parents: diff changeset	87 private Image getImage(URL url) {
e845310098ba diverse Korrekturen Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de> parents: diff changeset	88 Image image = null;
e845310098ba diverse Korrekturen Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de> parents: diff changeset	89 try {
e845310098ba diverse Korrekturen Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de> parents: diff changeset	90 image = Image.getInstance(url);
e845310098ba diverse Korrekturen Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de> parents: diff changeset	91 } catch (Exception e) {
e845310098ba diverse Korrekturen Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de> parents: diff changeset	92 try {
e845310098ba diverse Korrekturen Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de> parents: diff changeset	93 Thread.sleep(1000);
e845310098ba diverse Korrekturen Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de> parents: diff changeset	94 } catch (InterruptedException ee) {
e845310098ba diverse Korrekturen Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de> parents: diff changeset	95 // nothing
e845310098ba diverse Korrekturen Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de> parents: diff changeset	96 }
e845310098ba diverse Korrekturen Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de> parents: diff changeset	97 LOGGER.severe("first retry to get image for URL '" + url.toString() + "': " + e.getMessage());
e845310098ba diverse Korrekturen Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de> parents: diff changeset	98 try {
e845310098ba diverse Korrekturen Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de> parents: diff changeset	99 image = Image.getInstance(url);
e845310098ba diverse Korrekturen Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de> parents: diff changeset	100 } catch (Exception e2) {
e845310098ba diverse Korrekturen Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de> parents: diff changeset	101 try {
e845310098ba diverse Korrekturen Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de> parents: diff changeset	102 Thread.sleep(1000);
e845310098ba diverse Korrekturen Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de> parents: diff changeset	103 } catch (InterruptedException ee) {
e845310098ba diverse Korrekturen Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de> parents: diff changeset	104 // nothing
e845310098ba diverse Korrekturen Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de> parents: diff changeset	105 }
e845310098ba diverse Korrekturen Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de> parents: diff changeset	106 LOGGER.severe("second retry to get image for URL '" + url.toString() + "': " + e.getMessage());
e845310098ba diverse Korrekturen Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de> parents: diff changeset	107 try {
e845310098ba diverse Korrekturen Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de> parents: diff changeset	108 image = Image.getInstance(url);
e845310098ba diverse Korrekturen Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de> parents: diff changeset	109 } catch (Exception e3) {
e845310098ba diverse Korrekturen Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de> parents: diff changeset	110 LOGGER.severe("third retry to get image for URL '" + url.toString() + "': " + e.getMessage());
e845310098ba diverse Korrekturen Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de> parents: diff changeset	111 return null;
e845310098ba diverse Korrekturen Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de> parents: diff changeset	112 }
e845310098ba diverse Korrekturen Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de> parents: diff changeset	113 }
e845310098ba diverse Korrekturen Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de> parents: diff changeset	114 }
e845310098ba diverse Korrekturen Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de> parents: diff changeset	115 return image;
e845310098ba diverse Korrekturen Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de> parents: diff changeset	116 }
e845310098ba diverse Korrekturen Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de> parents: diff changeset	117
e845310098ba diverse Korrekturen Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de> parents: diff changeset	118 protected InputStream resolveAndOpenStream(String inputUri) {
e845310098ba diverse Korrekturen Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de> parents: diff changeset	119 InputStream is = null;
e845310098ba diverse Korrekturen Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de> parents: diff changeset	120 String uri = resolveURI(inputUri);
e845310098ba diverse Korrekturen Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de> parents: diff changeset	121 try {
e845310098ba diverse Korrekturen Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de> parents: diff changeset	122 is = new URL(uri).openStream();
e845310098ba diverse Korrekturen Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de> parents: diff changeset	123 } catch (Exception e) {
e845310098ba diverse Korrekturen Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de> parents: diff changeset	124 try {
e845310098ba diverse Korrekturen Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de> parents: diff changeset	125 Thread.sleep(1000);
e845310098ba diverse Korrekturen Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de> parents: diff changeset	126 } catch (InterruptedException ee) {
e845310098ba diverse Korrekturen Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de> parents: diff changeset	127 // nothing
e845310098ba diverse Korrekturen Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de> parents: diff changeset	128 }
e845310098ba diverse Korrekturen Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de> parents: diff changeset	129 LOGGER.severe("first retry to open stream for URL '" + uri + "': " + e.getMessage());
e845310098ba diverse Korrekturen Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de> parents: diff changeset	130 try {
e845310098ba diverse Korrekturen Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de> parents: diff changeset	131 is = new URL(uri).openStream();
e845310098ba diverse Korrekturen Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de> parents: diff changeset	132 } catch (Exception e2) {
e845310098ba diverse Korrekturen Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de> parents: diff changeset	133 try {
e845310098ba diverse Korrekturen Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de> parents: diff changeset	134 Thread.sleep(1000);
e845310098ba diverse Korrekturen Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de> parents: diff changeset	135 } catch (InterruptedException ee) {
e845310098ba diverse Korrekturen Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de> parents: diff changeset	136 // nothing
e845310098ba diverse Korrekturen Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de> parents: diff changeset	137 }
e845310098ba diverse Korrekturen Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de> parents: diff changeset	138 LOGGER.severe("second retry to open stream for URL '" + uri + "': " + e.getMessage());
e845310098ba diverse Korrekturen Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de> parents: diff changeset	139 try {
e845310098ba diverse Korrekturen Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de> parents: diff changeset	140 is = new URL(uri).openStream();
e845310098ba diverse Korrekturen Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de> parents: diff changeset	141 } catch (Exception e3) {
e845310098ba diverse Korrekturen Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de> parents: diff changeset	142 LOGGER.severe("third retry to open stream for URL '" + uri + "': " + e.getMessage());
e845310098ba diverse Korrekturen Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de> parents: diff changeset	143 return null;
e845310098ba diverse Korrekturen Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de> parents: diff changeset	144 }
e845310098ba diverse Korrekturen Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de> parents: diff changeset	145 }
e845310098ba diverse Korrekturen Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de> parents: diff changeset	146 }
e845310098ba diverse Korrekturen Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de> parents: diff changeset	147 return is;
e845310098ba diverse Korrekturen Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de> parents: diff changeset	148 }
e845310098ba diverse Korrekturen Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de> parents: diff changeset	149 }

23

e845310098ba diverse Korrekturen