Support 'break on exception' feature

plugins/org.chromium.debug.ui/src/org/chromium/debug/ui/actions/SynchronizeBreakpoints.java

+// Copyright (c) 2010 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
 package org.chromium.debug.ui.actions;
 
 import java.text.MessageFormat;
 import java.util.HashSet;
 import java.util.Iterator;
 import java.util.Set;
 
 import org.chromium.debug.core.ChromiumDebugPlugin;
 import org.chromium.debug.core.model.BreakpointSynchronizer;
 import org.chromium.debug.core.model.DebugTargetImpl;
@@ skipping 57 matching lines @@
   }
 
   private Runnable createRunnable(ISelection selection) {
     if (selection instanceof IStructuredSelection == false) {
       return null;
     }
     IStructuredSelection structuredSelection = (IStructuredSelection) selection;
     final Set<DebugTargetImpl> targets = new HashSet<DebugTargetImpl>(3);
     for (Iterator<?> it = structuredSelection.iterator(); it.hasNext(); ) {
       Object element = it.next();
-      IDebugTarget debugTarget;
-      if (element instanceof ILaunch) {
-        ILaunch launch = (ILaunch) element;
-        debugTarget = launch.getDebugTarget();
-      } else if (element instanceof IDebugElement) {
-        IDebugElement debugElement = (IDebugElement) element;
-        debugTarget = debugElement.getDebugTarget();
-      } else {
+      DebugTargetImpl debugTargetImpl = getDebugTargetImpl(element);
+      if (debugTargetImpl == null) {
         continue;
       }
-      if (debugTarget instanceof DebugTargetImpl == false) {
-        continue;
-      }
-      DebugTargetImpl debugTargetImpl = (DebugTargetImpl) debugTarget;
       targets.add(debugTargetImpl);
     }
     if (targets.isEmpty()) {
       return null;
     }
     if (direction != BreakpointSynchronizer.Direction.RESET_REMOTE && targets.size() > 1) {
       // Only "reset remote" mode is implemented for a multiple selection.
       return null;
     }
 
@@ skipping 15 matching lines @@
               target.synchronizeBreakpoints(direction, callback);
             }
             return Status.OK_STATUS;
           }
         }.schedule();
       }
     };
   }
 
   private Runnable currentRunnable;
+
+  public static DebugTargetImpl getDebugTargetImpl(Object element) {
+    IDebugTarget debugTarget;
+    if (element instanceof ILaunch) {
+      ILaunch launch = (ILaunch) element;
+      debugTarget = launch.getDebugTarget();
+    } else if (element instanceof IDebugElement) {
+      IDebugElement debugElement = (IDebugElement) element;
+      debugTarget = debugElement.getDebugTarget();
+    } else {
+      return null;
+    }
+    if (debugTarget instanceof DebugTargetImpl == false) {
+      return null;
+    }
+    return (DebugTargetImpl) debugTarget;
+  }
 }