X-Git-Url: https://gerrit.simantics.org/r/gitweb?a=blobdiff_plain;f=bundles%2Forg.simantics.help.base%2Fsrc%2Forg%2Fsimantics%2Fhelp%2Fbase%2Finternal%2FPDFSearchParticipant.java;fp=bundles%2Forg.simantics.help.base%2Fsrc%2Forg%2Fsimantics%2Fhelp%2Fbase%2Finternal%2FPDFSearchParticipant.java;h=d630e113eec31d0f8603c7fd7ede074c94bedb3e;hb=6a4a43b278d6819c660182eb4954524d1757e077;hp=0000000000000000000000000000000000000000;hpb=4e40f9793cc18f08f1fa6c96d9bb4f42408997b4;p=simantics%2Fplatform.git

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
index 000000000..d630e113e
--- /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;
+
+import java.io.File;
+import java.io.IOException;
+import java.net.URL;
+import java.net.URLDecoder;
+
+import org.eclipse.core.runtime.FileLocator;
+import org.eclipse.core.runtime.IPath;
+import org.eclipse.core.runtime.IStatus;
+import org.eclipse.core.runtime.Path;
+import org.eclipse.core.runtime.Platform;
+import org.eclipse.core.runtime.Status;
+import org.eclipse.help.search.IHelpSearchIndex;
+import org.eclipse.help.search.ISearchDocument;
+import org.eclipse.help.search.SearchParticipant;
+import org.osgi.framework.Bundle;
+
+/**
+ * An abstract search participants for adding XML documents to the search index. Subclass it
+ * and implement or override protected methods to handle parsing of the document.
+ *
+ * @since 1.20.0
+ */
+public class PDFSearchParticipant extends SearchParticipant {
+
+    @Override
+    public IStatus addDocument(IHelpSearchIndex index, String pluginId, String name, URL url, String id, ISearchDocument doc) {
+        try {
+            //System.out.println("PDFSearchParticipant.addDocument(" + index + ", " + pluginId + ", " + name + ", " + url + ", " + id + ", " + doc + ")");
+            Bundle bundle = Platform.getBundle(pluginId);
+            if (bundle == null)
+                return new Status(IStatus.ERROR, pluginId, "Failed to find bundle " + bundle + " from the platform.");
+
+            // Need to decode path because it will fail to resolve if it contains %20 (=' ').
+            IPath path = new Path(URLDecoder.decode(name, "UTF-8"));
+            path = path.removeFirstSegments(1);
+            URL bundleUrl = FileLocator.find(bundle, path, null);
+            if (bundleUrl == null)
+                return new Status(IStatus.ERROR, pluginId, "Failed to find file " + name + " from bundle " + pluginId + ".");
+
+            URL fileUrl = FileLocator.toFileURL(bundleUrl);
+            if (!fileUrl.getProtocol().equals("file"))
+                return new Status(IStatus.ERROR, pluginId, "Failed to make " + url + " available as a file");
+
+            File f = new File(URLDecoder.decode(fileUrl.getPath(), "UTF-8")).getCanonicalFile();
+            PDFUtil.stripText(f, doc);
+            return Status.OK_STATUS;
+        } catch (IOException e) {
+            return new Status(IStatus.ERROR, pluginId, "Failed to strip text from PDF document " + url + ".", e);
+        }
+    }
+
+}