-/*\r
- * Jalview - A Sequence Alignment Editor and Viewer\r
- * Copyright (C) 2007 AM Waterhouse, J Procter, G Barton, M Clamp, S Searle\r
- *\r
- * This program is free software; you can redistribute it and/or\r
- * modify it under the terms of the GNU General Public License\r
- * as published by the Free Software Foundation; either version 2\r
- * of the License, or (at your option) any later version.\r
- *\r
- * This program is distributed in the hope that it will be useful,\r
- * but WITHOUT ANY WARRANTY; without even the implied warranty of\r
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\r
- * GNU General Public License for more details.\r
- *\r
- * You should have received a copy of the GNU General Public License\r
- * along with this program; if not, write to the Free Software\r
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA\r
- */\r
-package jalview.io;\r
-\r
-import java.io.*;\r
-\r
-import java.awt.*;\r
-\r
-import jalview.datamodel.*;\r
-import jalview.gui.*;\r
-\r
-public class HTMLOutput\r
-{\r
- AlignViewport av;\r
- SequenceRenderer sr;\r
- FeatureRenderer fr;\r
- Color color;\r
-\r
- public HTMLOutput(AlignViewport av, SequenceRenderer sr, FeatureRenderer fr1)\r
- {\r
- this.av = av;\r
- this.sr = sr;\r
-\r
- fr = new FeatureRenderer(av);\r
- fr.transferSettings(fr1);\r
-\r
- JalviewFileChooser chooser = new JalviewFileChooser(jalview.bin.Cache.\r
- getProperty(\r
- "LAST_DIRECTORY"), new String[]\r
- {"html"},\r
- new String[]\r
- {"HTML files"}, "HTML files");\r
-\r
- chooser.setFileView(new JalviewFileView());\r
- chooser.setDialogTitle("Save as HTML");\r
- chooser.setToolTipText("Save");\r
-\r
- int value = chooser.showSaveDialog(null);\r
-\r
- if (value == JalviewFileChooser.APPROVE_OPTION)\r
- {\r
- String choice = chooser.getSelectedFile().getPath();\r
- jalview.bin.Cache.setProperty("LAST_DIRECTORY",\r
- chooser.getSelectedFile().getParent());\r
-\r
- try\r
- {\r
- PrintWriter out = new java.io.PrintWriter(new java.io.FileWriter(\r
- choice));\r
- out.println("<HTML>");\r
- out.println("<style type=\"text/css\">");\r
- out.println("<!--");\r
- out.print("td {font-family: \"" + av.getFont().getFamily() +\r
- "\", \"" + av.getFont().getName() + "\", mono; " +\r
- "font-size: " + av.getFont().getSize() + "px; ");\r
-\r
- if (av.getFont().getStyle() == Font.BOLD)\r
- {\r
- out.print("font-weight: BOLD; ");\r
- }\r
-\r
- if (av.getFont().getStyle() == Font.ITALIC)\r
- {\r
- out.print("font-style: italic; ");\r
- }\r
-\r
- out.println("text-align: center; }");\r
-\r
- out.println("-->");\r
- out.println("</style>");\r
- out.println("<BODY>");\r
-\r
- if (av.getWrapAlignment())\r
- {\r
- drawWrappedAlignment(out);\r
- }\r
- else\r
- {\r
- drawUnwrappedAlignment(out);\r
- }\r
-\r
- out.println("\n</body>\n</html>");\r
- out.close();\r
- jalview.util.BrowserLauncher.openURL("file:///" + choice);\r
- }\r
- catch (Exception ex)\r
- {\r
- ex.printStackTrace();\r
- }\r
- }\r
- }\r
-\r
- void drawUnwrappedAlignment(PrintWriter out)\r
- {\r
- out.println("<table border=\"1\"><tr><td>\n");\r
- out.println(\r
- "<table border=\"0\" cellpadding=\"0\" cellspacing=\"0\">\n");\r
-\r
- //////////////\r
- SequenceI seq;\r
- AlignmentI alignment = av.getAlignment();\r
-\r
- // draws the top row, the measure rule\r
- out.println("<tr><td colspan=\"6\"></td>");\r
-\r
- int i = 0;\r
-\r
- for (i = 10; i < (alignment.getWidth() - 10); i += 10)\r
- {\r
- out.println("<td colspan=\"9\">" + i + "<br>|</td><td></td>");\r
- }\r
-\r
- out.println("<td colspan=\"3\"></td><td colspan=\"3\">" + i +\r
- "<br>|</td>");\r
- out.println("</tr>");\r
-\r
- for (i = 0; i < alignment.getHeight(); i++)\r
- {\r
- seq = alignment.getSequenceAt(i);\r
-\r
- String id = seq.getDisplayId(av.getShowJVSuffix());\r
-\r
- out.println("<tr><td nowrap>" + id +\r
- " </td>");\r
-\r
- for (int res = 0; res < seq.getLength(); res++)\r
- {\r
- if (!jalview.util.Comparison.isGap(seq.getCharAt(res)))\r
- {\r
- color = sr.getResidueBoxColour(seq, res);\r
-\r
- color = fr.findFeatureColour(color, seq, res);\r
- }\r
- else\r
- {\r
- color = Color.white;\r
- }\r
-\r
- if (color.getRGB() < -1)\r
- {\r
- out.println("<td bgcolor=\"#" +\r
- jalview.util.Format.getHexString(color) + "\">" +\r
- seq.getCharAt(res) + "</td>");\r
- }\r
- else\r
- {\r
- out.println("<td>" + seq.getCharAt(res) + "</td>");\r
- }\r
- }\r
-\r
- out.println("</tr>");\r
- }\r
-\r
- //////////////\r
- out.println("</table>");\r
- out.println("</td></tr></table>");\r
- }\r
-\r
- void drawWrappedAlignment(PrintWriter out)\r
- {\r
- ////////////////////////////////////\r
- /// How many sequences and residues can we fit on a printable page?\r
- AlignmentI al = av.getAlignment();\r
- SequenceI seq;\r
- String r;\r
- String g;\r
- String b;\r
-\r
- out.println("<table border=\"1\"><tr><td>\n");\r
- out.println(\r
- "<table border=\"0\" cellpadding=\"0\" cellspacing=\"0\">\n");\r
-\r
- for (int startRes = 0; startRes < al.getWidth();\r
- startRes += av.getWrappedWidth())\r
- {\r
- int endRes = startRes + av.getWrappedWidth();\r
-\r
- if (endRes > al.getWidth())\r
- {\r
- endRes = al.getWidth();\r
- }\r
-\r
- if (av.getScaleAboveWrapped())\r
- {\r
- out.println("<tr>");\r
-\r
- if (av.getScaleLeftWrapped())\r
- {\r
- out.println("<td colspan=\"7\"> </td>");\r
- }\r
- else\r
- {\r
- out.println("<td colspan=\"6\"> </td>");\r
- }\r
-\r
- for (int i = startRes + 10; i < endRes; i += 10)\r
- {\r
- out.println("<td colspan=\"9\">" + i + "<br>|</td><td></td>");\r
- }\r
-\r
- out.println("</tr>");\r
- }\r
-\r
- int startPos, endPos;\r
- for (int s = 0; s < al.getHeight(); s++)\r
- {\r
- out.println("<tr>");\r
- seq = al.getSequenceAt(s);\r
-\r
- startPos = seq.findPosition(startRes);\r
- endPos = seq.findPosition(endRes) - 1;\r
-\r
- String id = seq.getDisplayId(av.getShowJVSuffix());\r
-\r
- out.println("<td nowrap>" + id +\r
- " </td>");\r
-\r
- if (av.getScaleLeftWrapped())\r
- {\r
- if (startPos > seq.getEnd() || endPos == 0)\r
- {\r
- out.println("<td nowrap> </td>");\r
- }\r
- else\r
- {\r
- out.println("<td nowrap>" + startPos +\r
- " </td>");\r
- }\r
- }\r
-\r
- for (int res = startRes; res < endRes; res++)\r
- {\r
- if (!jalview.util.Comparison.isGap(seq.getCharAt(res)))\r
- {\r
- color = sr.getResidueBoxColour(seq, res);\r
-\r
- color = fr.findFeatureColour(color, seq, res);\r
- }\r
- else\r
- {\r
- color = Color.white;\r
- }\r
-\r
- if (color.getRGB() < -1)\r
- {\r
- out.println("<td bgcolor=\"#" +\r
- jalview.util.Format.getHexString(color) + "\">" +\r
- seq.getCharAt(res) + "</td>");\r
- }\r
- else\r
- {\r
- out.println("<td>" + seq.getCharAt(res) + "</td>");\r
- }\r
-\r
- }\r
-\r
- if (av.getScaleRightWrapped() &&\r
- endRes < startRes + av.getWrappedWidth())\r
- {\r
- out.println("<td colspan=\"" +\r
- (startRes + av.getWrappedWidth() - endRes) + "\">"\r
- + " </td>");\r
- }\r
-\r
- if (av.getScaleRightWrapped() && startPos < endPos)\r
- {\r
- out.println("<td nowrap> " + endPos +\r
- " </td>");\r
- }\r
-\r
- out.println("</tr>");\r
- }\r
-\r
- if (endRes < al.getWidth())\r
- {\r
- out.println("<tr><td height=\"5\"></td></tr>");\r
- }\r
- }\r
-\r
- out.println("</table>");\r
- out.println("</table>");\r
- }\r
-\r
- public static String getImageMapHTML()\r
- {\r
- return new String(\r
- "<html>\n"\r
- + "<head>\n"\r
- + "<script language=\"JavaScript\">\n"\r
- + "var ns4 = document.layers;\n"\r
- + "var ns6 = document.getElementById && !document.all;\n"\r
- + "var ie4 = document.all;\n"\r
- + "offsetX = 0;\n"\r
- + "offsetY = 20;\n"\r
- + "var toolTipSTYLE=\"\";\n"\r
- + "function initToolTips()\n"\r
- + "{\n"\r
- + " if(ns4||ns6||ie4)\n"\r
- + " {\n"\r
- + " if(ns4) toolTipSTYLE = document.toolTipLayer;\n"\r
- + " else if(ns6) toolTipSTYLE = document.getElementById(\"toolTipLayer\").style;\n"\r
- + " else if(ie4) toolTipSTYLE = document.all.toolTipLayer.style;\n"\r
- + " if(ns4) document.captureEvents(Event.MOUSEMOVE);\n"\r
- + " else\n"\r
- + " {\n"\r
- + " toolTipSTYLE.visibility = \"visible\";\n"\r
- + " toolTipSTYLE.display = \"none\";\n"\r
- + " }\n"\r
- + " document.onmousemove = moveToMouseLoc;\n"\r
- + " }\n"\r
- + "}\n"\r
- + "function toolTip(msg, fg, bg)\n"\r
- + "{\n"\r
- + " if(toolTip.arguments.length < 1) // hide\n"\r
- + " {\n"\r
- + " if(ns4) toolTipSTYLE.visibility = \"hidden\";\n"\r
- + " else toolTipSTYLE.display = \"none\";\n"\r
- + " }\n"\r
- + " else // show\n"\r
- + " {\n"\r
- + " if(!fg) fg = \"#555555\";\n"\r
- + " if(!bg) bg = \"#FFFFFF\";\n"\r
- + " var content =\n"\r
- + " '<table border=\"0\" cellspacing=\"0\" cellpadding=\"1\" bgcolor=\"' + fg + '\"><td>' +\n"\r
- + " '<table border=\"0\" cellspacing=\"0\" cellpadding=\"1\" bgcolor=\"' + bg + \n"\r
- +\r
- " '\"><td align=\"center\"><font face=\"sans-serif\" color=\"' + fg +\n"\r
- + " '\" size=\"-2\"> ' + msg +\n"\r
- + " ' </font></td></table></td></table>';\n"\r
- + " if(ns4)\n"\r
- + " {\n"\r
- + " toolTipSTYLE.document.write(content);\n"\r
- + " toolTipSTYLE.document.close();\n"\r
- + " toolTipSTYLE.visibility = \"visible\";\n"\r
- + " }\n"\r
- + " if(ns6)\n"\r
- + " {\n"\r
- +\r
- " document.getElementById(\"toolTipLayer\").innerHTML = content;\n"\r
- + " toolTipSTYLE.display='block'\n"\r
- + " }\n"\r
- + " if(ie4)\n"\r
- + " {\n"\r
- + " document.all(\"toolTipLayer\").innerHTML=content;\n"\r
- + " toolTipSTYLE.display='block'\n"\r
- + " }\n"\r
- + " }\n"\r
- + "}\n"\r
- + "function moveToMouseLoc(e)\n"\r
- + "{\n"\r
- + " if(ns4||ns6)\n"\r
- + " {\n"\r
- + " x = e.pageX;\n"\r
- + " y = e.pageY;\n"\r
- + " }\n"\r
- + " else\n"\r
- + " {\n"\r
- + " x = event.x + document.body.scrollLeft;\n"\r
- + " y = event.y + document.body.scrollTop;\n"\r
- + " }\n"\r
- + " toolTipSTYLE.left = x + offsetX;\n"\r
- + " toolTipSTYLE.top = y + offsetY;\n"\r
- + " return true;\n"\r
- + "}\n"\r
- + "</script>\n"\r
- + "</head>\n"\r
- + "<body>\n"\r
- + "<div id=\"toolTipLayer\" style=\"position:absolute; visibility: hidden\"></div>\n"\r
- + "<script language=\"JavaScript\"><!--\n"\r
- + "initToolTips(); //--></script>\n");\r
-\r
- }\r
-}\r
+/*
+ * Jalview - A Sequence Alignment Editor and Viewer ($$Version-Rel$$)
+ * Copyright (C) $$Year-Rel$$ The Jalview Authors
+ *
+ * This file is part of Jalview.
+ *
+ * Jalview 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 3
+ * of the License, or (at your option) any later version.
+ *
+ * Jalview 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 Jalview. If not, see <http://www.gnu.org/licenses/>.
+ * The Jalview Authors are detailed in the 'AUTHORS' file.
+ */
+package jalview.io;
+
+import java.io.BufferedReader;
+import java.io.File;
+import java.io.IOException;
+import java.io.InputStreamReader;
+import java.net.URL;
+import java.util.Objects;
+
+import jalview.api.AlignExportSettingsI;
+import jalview.bin.Cache;
+import jalview.datamodel.AlignExportSettingsAdapter;
+import jalview.datamodel.AlignmentExportData;
+import jalview.gui.AlignmentPanel;
+import jalview.gui.IProgressIndicator;
+import jalview.util.MessageManager;
+
+public abstract class HTMLOutput implements Runnable
+{
+ protected AlignmentPanel ap;
+
+ /*
+ * key for progress or status messages
+ */
+ protected long pSessionId;
+
+ /*
+ * (optional) place to write progress messages to
+ */
+ protected IProgressIndicator pIndicator;
+
+ protected File generatedFile;
+
+ String _bioJson = null;
+
+ private String description;
+
+ /**
+ * Constructor given an alignment panel (which should not be null)
+ *
+ * @param ap
+ * @param desc
+ */
+ public HTMLOutput(AlignmentPanel ap, String desc)
+ {
+ this.ap = ap;
+ this.pIndicator = ap.alignFrame;
+ this.description = desc;
+ this.pSessionId = System.currentTimeMillis();
+ }
+
+ /**
+ * Gets the BioJSON data as a string, with lazy evaluation (first time called
+ * only). If the output format is configured not to embed BioJSON, returns
+ * null.
+ *
+ * @return
+ */
+ public String getBioJSONData()
+ {
+ if (!isEmbedData())
+ {
+ return null;
+ }
+ if (_bioJson == null)
+ {
+ AlignExportSettingsI options = new AlignExportSettingsAdapter(true);
+ AlignmentExportData exportData = ap.getAlignViewport()
+ .getAlignExportData(options);
+ _bioJson = new FormatAdapter(ap, options).formatSequences(
+ FileFormat.Json, exportData.getAlignment(),
+ exportData.getOmitHidden(), exportData.getStartEndPostions(),
+ ap.getAlignViewport().getAlignment().getHiddenColumns());
+ }
+
+ return _bioJson;
+ }
+
+ /**
+ * Read a template file content as string
+ *
+ * @param file
+ * - the file to be read
+ * @return File content as String
+ * @throws IOException
+ */
+ public static String readFileAsString(File file) throws IOException
+ {
+ InputStreamReader isReader = null;
+ BufferedReader buffReader = null;
+ StringBuilder sb = new StringBuilder();
+ Objects.requireNonNull(file, "File must not be null!");
+ @SuppressWarnings("deprecation")
+ URL url = file.toURL();
+ if (url != null)
+ {
+ try
+ {
+ isReader = new InputStreamReader(url.openStream());
+ buffReader = new BufferedReader(isReader);
+ String line;
+ String lineSeparator = System.getProperty("line.separator");
+ while ((line = buffReader.readLine()) != null)
+ {
+ sb.append(line).append(lineSeparator);
+ }
+
+ } catch (Exception ex)
+ {
+ ex.printStackTrace();
+ } finally
+ {
+ if (isReader != null)
+ {
+ isReader.close();
+ }
+
+ if (buffReader != null)
+ {
+ buffReader.close();
+ }
+ }
+ }
+ return sb.toString();
+ }
+
+ public static String getImageMapHTML()
+ {
+ return new String("<html>\n" + "<head>\n"
+ + "<script language=\"JavaScript\">\n"
+ + "var ns4 = document.layers;\n"
+ + "var ns6 = document.getElementById && !document.all;\n"
+ + "var ie4 = document.all;\n" + "offsetX = 0;\n"
+ + "offsetY = 20;\n" + "var toolTipSTYLE=\"\";\n"
+ + "function initToolTips()\n" + "{\n" + " if(ns4||ns6||ie4)\n"
+ + " {\n"
+ + " if(ns4) toolTipSTYLE = document.toolTipLayer;\n"
+ + " else if(ns6) toolTipSTYLE = document.getElementById(\"toolTipLayer\").style;\n"
+ + " else if(ie4) toolTipSTYLE = document.all.toolTipLayer.style;\n"
+ + " if(ns4) document.captureEvents(Event.MOUSEMOVE);\n"
+ + " else\n" + " {\n"
+ + " toolTipSTYLE.visibility = \"visible\";\n"
+ + " toolTipSTYLE.display = \"none\";\n" + " }\n"
+ + " document.onmousemove = moveToMouseLoc;\n" + " }\n"
+ + "}\n" + "function toolTip(msg, fg, bg)\n" + "{\n"
+ + " if(toolTip.arguments.length < 1) // hide\n" + " {\n"
+ + " if(ns4) toolTipSTYLE.visibility = \"hidden\";\n"
+ + " else toolTipSTYLE.display = \"none\";\n" + " }\n"
+ + " else // show\n" + " {\n"
+ + " if(!fg) fg = \"#555555\";\n"
+ + " if(!bg) bg = \"#FFFFFF\";\n" + " var content =\n"
+ + " '<table border=\"0\" cellspacing=\"0\" cellpadding=\"1\" bgcolor=\"' + fg + '\"><td>' +\n"
+ + " '<table border=\"0\" cellspacing=\"0\" cellpadding=\"1\" bgcolor=\"' + bg + \n"
+ + " '\"><td align=\"center\"><font face=\"sans-serif\" color=\"' + fg +\n"
+ + " '\" size=\"-2\"> ' + msg +\n"
+ + " ' </font></td></table></td></table>';\n"
+ + " if(ns4)\n" + " {\n"
+ + " toolTipSTYLE.document.write(content);\n"
+ + " toolTipSTYLE.document.close();\n"
+ + " toolTipSTYLE.visibility = \"visible\";\n" + " }\n"
+ + " if(ns6)\n" + " {\n"
+ + " document.getElementById(\"toolTipLayer\").innerHTML = content;\n"
+ + " toolTipSTYLE.display='block'\n" + " }\n"
+ + " if(ie4)\n" + " {\n"
+ + " document.all(\"toolTipLayer\").innerHTML=content;\n"
+ + " toolTipSTYLE.display='block'\n" + " }\n" + " }\n"
+ + "}\n" + "function moveToMouseLoc(e)\n" + "{\n"
+ + " if(ns4||ns6)\n" + " {\n" + " x = e.pageX;\n"
+ + " y = e.pageY;\n" + " }\n" + " else\n" + " {\n"
+ + " x = event.x + document.body.scrollLeft;\n"
+ + " y = event.y + document.body.scrollTop;\n" + " }\n"
+ + " toolTipSTYLE.left = x + offsetX;\n"
+ + " toolTipSTYLE.top = y + offsetY;\n" + " return true;\n"
+ + "}\n" + "</script>\n" + "</head>\n" + "<body>\n"
+ + "<div id=\"toolTipLayer\" style=\"position:absolute; visibility: hidden\"></div>\n"
+ + "<script language=\"JavaScript\"><!--\n"
+ + "initToolTips(); //--></script>\n");
+
+ }
+
+ /**
+ * Prompts the user to choose an output file and returns the file path, or
+ * null on Cancel
+ *
+ * @return
+ */
+ public String getOutputFile()
+ {
+ String selectedFile = null;
+
+ // TODO: JAL-3048 generate html rendered view (requires SvgGraphics and/or
+ // Jalview HTML rendering system- probably not required for Jalview-JS)
+ JalviewFileChooser jvFileChooser = new JalviewFileChooser("html",
+ "HTML files");
+ jvFileChooser.setFileView(new JalviewFileView());
+
+ jvFileChooser
+ .setDialogTitle(MessageManager.getString("label.save_as_html"));
+ jvFileChooser.setToolTipText(MessageManager.getString("action.save"));
+
+ int fileChooserOpt = jvFileChooser.showSaveDialog(null);
+ if (fileChooserOpt == JalviewFileChooser.APPROVE_OPTION)
+ {
+ Cache.setProperty("LAST_DIRECTORY",
+ jvFileChooser.getSelectedFile().getParent());
+ selectedFile = jvFileChooser.getSelectedFile().getPath();
+ }
+
+ return selectedFile;
+ }
+
+ protected void setProgressMessage(String message)
+ {
+ if (pIndicator != null && !isHeadless())
+ {
+ pIndicator.setProgressBar(message, pSessionId);
+ }
+ else
+ {
+ System.out.println(message);
+ }
+ }
+
+ /**
+ * Answers true if HTML export is invoke in headless mode or false otherwise
+ *
+ * @return
+ */
+ protected boolean isHeadless()
+ {
+ return System.getProperty("java.awt.headless") != null
+ && System.getProperty("java.awt.headless").equals("true");
+ }
+
+ /**
+ * This method provides implementation of consistent behaviour which should
+ * occur after a HTML file export. It MUST be called at the end of the
+ * exportHTML() method implementation.
+ */
+ protected void exportCompleted()
+ {
+ if (isLaunchInBrowserAfterExport() && !isHeadless())
+ {
+ /*
+ try
+ {
+ */
+ jalview.util.BrowserLauncher.openURL("file:///" + getExportedFile());
+ /*
+ } catch (IOException e)
+ {
+ e.printStackTrace();
+ }
+ */
+ }
+ }
+
+ /**
+ * if this answers true then BioJSON data will be embedded to the exported
+ * HTML file otherwise it won't be embedded.
+ *
+ * @return
+ */
+ public abstract boolean isEmbedData();
+
+ /**
+ * if this answers true then the generated HTML file is opened for viewing in
+ * a browser after its generation otherwise it won't be opened in a browser
+ *
+ * @return
+ */
+ public abstract boolean isLaunchInBrowserAfterExport();
+
+ /**
+ * handle to the generated HTML file
+ *
+ * @return
+ */
+ public File getExportedFile()
+ {
+ return generatedFile;
+ }
+
+ public void exportHTML(String outputFile)
+ {
+ setProgressMessage(MessageManager.formatMessage(
+ "status.exporting_alignment_as_x_file", getDescription()));
+ try
+ {
+ if (outputFile == null)
+ {
+ /*
+ * prompt for output file
+ */
+ outputFile = getOutputFile();
+ if (outputFile == null)
+ {
+ setProgressMessage(MessageManager.formatMessage(
+ "status.cancelled_image_export_operation",
+ getDescription()));
+ return;
+ }
+ }
+ generatedFile = new File(outputFile);
+ } catch (Exception e)
+ {
+ setProgressMessage(MessageManager
+ .formatMessage("info.error_creating_file", getDescription()));
+ e.printStackTrace();
+ return;
+ }
+ new Thread(this).start();
+
+ }
+
+ /**
+ * Answers a short description of the image format suitable for display in
+ * messages
+ *
+ * @return
+ */
+ protected final String getDescription()
+ {
+ return description;
+ }
+}
\ No newline at end of file
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