Add ExceptionHandler.getExceptionTypeReference method

dexlib2/src/main/java/org/jf/dexlib2/base/BaseExceptionHandler.java

@@ -33,13 +33,28 @@ package org.jf.dexlib2.base;
 
 import com.google.common.base.Objects;
 import com.google.common.primitives.Ints;
+import org.jf.dexlib2.base.reference.BaseTypeReference;
 import org.jf.dexlib2.iface.ExceptionHandler;
+import org.jf.dexlib2.iface.reference.TypeReference;
 
 import javax.annotation.Nonnull;
 import javax.annotation.Nullable;
 import java.util.Comparator;
 
 public abstract class BaseExceptionHandler implements ExceptionHandler {
+    @Nullable @Override public TypeReference getExceptionTypeReference() {
+        final String exceptionType = getExceptionType();
+        if (exceptionType == null) {
+            return null;
+        }
+
+        return new BaseTypeReference() {
+            @Nonnull @Override public String getType() {
+                return exceptionType;
+            }
+        };
+    }
+
     @Override
     public int hashCode() {
         String exceptionType = getExceptionType();
@@ -76,6 +91,8 @@ public abstract class BaseExceptionHandler implements ExceptionHandler {
         return Ints.compare(getHandlerCodeAddress(), o.getHandlerCodeAddress());
     }
 
+
+
     public static final Comparator<ExceptionHandler> BY_EXCEPTION = new Comparator<ExceptionHandler>() {
         @Override public int compare(ExceptionHandler o1, ExceptionHandler o2) {
             String exceptionType1 = o1.getExceptionType();

dexlib2/src/main/java/org/jf/dexlib2/iface/ExceptionHandler.java

@@ -31,6 +31,8 @@
 
 package org.jf.dexlib2.iface;
 
+import org.jf.dexlib2.iface.reference.TypeReference;
+
 import javax.annotation.Nonnull;
 import javax.annotation.Nullable;
 
@@ -45,6 +47,14 @@ public interface ExceptionHandler extends Comparable<ExceptionHandler> {
      */
     @Nullable String getExceptionType();
 
+    /**
+     * Gets the type of exception that is handled by this handler.
+     *
+     * @return A TypeReference to the type of exception that is handled by this handler, or null if this is a
+     * catch-all handler.
+     */
+    @Nullable TypeReference getExceptionTypeReference();
+
     /**
      * Gets the code offset of the handler.
      *