merged svn revision 33114 and added desktop and help plugins

[simantics/platform.git] / bundles / org.simantics.help.base / src / org / simantics / help / base / internal / PDFSearchParticipant.java

diff --git a/bundles/org.simantics.help.base/src/org/simantics/help/base/internal/PDFSearchParticipant.java b/bundles/org.simantics.help.base/src/org/simantics/help/base/internal/PDFSearchParticipant.java
new file mode 100644 (file)
index 0000000..d630e11
--- /dev/null
+++ b/bundles/org.simantics.help.base/src/org/simantics/help/base/internal/PDFSearchParticipant.java
@@ -0,0 +1,54 @@
+package org.simantics.help.base.internal;\r
+\r
+import java.io.File;\r
+import java.io.IOException;\r
+import java.net.URL;\r
+import java.net.URLDecoder;\r
+\r
+import org.eclipse.core.runtime.FileLocator;\r
+import org.eclipse.core.runtime.IPath;\r
+import org.eclipse.core.runtime.IStatus;\r
+import org.eclipse.core.runtime.Path;\r
+import org.eclipse.core.runtime.Platform;\r
+import org.eclipse.core.runtime.Status;\r
+import org.eclipse.help.search.IHelpSearchIndex;\r
+import org.eclipse.help.search.ISearchDocument;\r
+import org.eclipse.help.search.SearchParticipant;\r
+import org.osgi.framework.Bundle;\r
+\r
+/**\r
+ * An abstract search participants for adding XML documents to the search index. Subclass it\r
+ * and implement or override protected methods to handle parsing of the document.\r
+ *\r
+ * @since 1.20.0\r
+ */\r
+public class PDFSearchParticipant extends SearchParticipant {\r
+\r
+    @Override\r
+    public IStatus addDocument(IHelpSearchIndex index, String pluginId, String name, URL url, String id, ISearchDocument doc) {\r
+        try {\r
+            //System.out.println("PDFSearchParticipant.addDocument(" + index + ", " + pluginId + ", " + name + ", " + url + ", " + id + ", " + doc + ")");\r
+            Bundle bundle = Platform.getBundle(pluginId);\r
+            if (bundle == null)\r
+                return new Status(IStatus.ERROR, pluginId, "Failed to find bundle " + bundle + " from the platform.");\r
+\r
+            // Need to decode path because it will fail to resolve if it contains %20 (=' ').\r
+            IPath path = new Path(URLDecoder.decode(name, "UTF-8"));\r
+            path = path.removeFirstSegments(1);\r
+            URL bundleUrl = FileLocator.find(bundle, path, null);\r
+            if (bundleUrl == null)\r
+                return new Status(IStatus.ERROR, pluginId, "Failed to find file " + name + " from bundle " + pluginId + ".");\r
+\r
+            URL fileUrl = FileLocator.toFileURL(bundleUrl);\r
+            if (!fileUrl.getProtocol().equals("file"))\r
+                return new Status(IStatus.ERROR, pluginId, "Failed to make " + url + " available as a file");\r
+\r
+            File f = new File(URLDecoder.decode(fileUrl.getPath(), "UTF-8")).getCanonicalFile();\r
+            PDFUtil.stripText(f, doc);\r
+            return Status.OK_STATUS;\r
+        } catch (IOException e) {\r
+            return new Status(IStatus.ERROR, pluginId, "Failed to strip text from PDF document " + url + ".", e);\r
+        }\r
+    }\r
+\r
+}\r