1 files changed, 87 insertions, 0 deletions
diff --git a/bundles/org.eclipse.e4.tools.event.spy/src/org/eclipse/e4/tools/event/spy/util/PDEUtils.java b/bundles/org.eclipse.e4.tools.event.spy/src/org/eclipse/e4/tools/event/spy/util/PDEUtils.java
new file mode 100644
index 00000000..274aadf5
--- /dev/null
+++ b/bundles/org.eclipse.e4.tools.event.spy/src/org/eclipse/e4/tools/event/spy/util/PDEUtils.java
@@ -0,0 +1,87 @@
+/*******************************************************************************
+ * Copyright (c) 2013 IBM Corporation and others.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ *     IBM Corporation - initial API and implementation
+ *******************************************************************************/
+package org.eclipse.e4.tools.event.spy.util;
+
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+
+import org.eclipse.core.resources.IResource;
+import org.eclipse.core.runtime.CoreException;
+import org.eclipse.core.runtime.NullProgressMonitor;
+import org.eclipse.jdt.core.IJavaProject;
+import org.eclipse.jdt.core.IType;
+import org.eclipse.jdt.core.JavaCore;
+import org.eclipse.jdt.core.JavaModelException;
+import org.eclipse.jdt.ui.JavaUI;
+import org.eclipse.jface.dialogs.MessageDialog;
+import org.eclipse.osgi.util.NLS;
+import org.eclipse.pde.core.plugin.IPluginModelBase;
+import org.eclipse.pde.core.plugin.PluginRegistry;
+import org.eclipse.pde.internal.core.PDECore;
+import org.eclipse.pde.internal.core.SearchablePluginsManager;
+import org.eclipse.pde.internal.runtime.PDERuntimeMessages;
+import org.eclipse.pde.internal.runtime.PDERuntimePlugin;
+import org.eclipse.swt.widgets.Display;
+import org.eclipse.ui.PartInitException;
+
+public class PDEUtils {
+	private final static Pattern CLASS_NAME_PATTERN = Pattern.compile("(([a-zA-Z_]+[0-9]*\\.)+[a-zA-Z_]+[a-z0-9]*)");
+
+	public static void openClass(String clsName) throws ClassNotFoundException {
+		Matcher matcher = CLASS_NAME_PATTERN.matcher(clsName);
+		if (matcher.find()) {
+			try {
+				clsName = matcher.group(1).trim();
+				openClass(Class.forName(clsName));
+			} catch(ClassNotFoundException exc) {
+				throw new ClassNotFoundException("Class not found in the bundle classpath: " + clsName);
+			}
+		}
+	}
+
+	public static void openClass(Class<?> cls) {
+		IPluginModelBase model = PluginRegistry.findModel(PluginUtils.getBundleId(cls));
+		IResource resource = model != null ? model.getUnderlyingResource() : null;
+		IJavaProject project = null;
+
+		// if we don't find a model
+		if (model == null) {
+			MessageDialog.openError(Display.getCurrent().getActiveShell(), PDERuntimeMessages.SpyIDEUtil_noSourceFound_title,
+					NLS.bind(PDERuntimeMessages.SpyIDEUtil_noSourceFound_message, new Object[] {cls.getName()}));
+			return;
+		}
+
+		if (resource != null) { // project is open in workspace
+			project = JavaCore.create(resource.getProject());
+		} else {
+			SearchablePluginsManager manager = PDECore.getDefault().getSearchablePluginsManager();
+			try {
+				manager.createProxyProject(new NullProgressMonitor());
+				manager.addToJavaSearch(new IPluginModelBase[] {model});
+				project = manager.getProxyProject();
+			} catch (CoreException e) {
+			}
+		}
+		if (project != null)
+			openInEditor(project, cls.getName());
+	}
+
+	private static void openInEditor(IJavaProject project, String clazz) {
+		try {
+			IType type = project.findType(clazz);
+			JavaUI.openInEditor(type, false, true);
+		} catch (JavaModelException e) {
+			PDERuntimePlugin.log(e);
+		} catch (PartInitException e) {
+			PDERuntimePlugin.log(e);
+		}
+	}
+}