fixed JASSIST-244

Readme.html

@@ -281,6 +281,12 @@ see javassist.Dump.
 
 <h2>Changes</h2>
 
+<p>-version 3.21
+<ul>
+<li>JIRA JASSIST-244
+</ul>
+</p>
+
 <p>-version 3.20 on June 25, 2015
 <ul>
 <li>JIRA JASSIST-241, 242, 246.

src/main/javassist/util/proxy/ProxyFactory.java

@@ -1146,17 +1146,24 @@ public class ProxyFactory {
         for (int i = 0; i < methods.length; i++)
             if (!Modifier.isPrivate(methods[i].getModifiers())) {
                 Method m = methods[i];
-                String key = m.getName() + ':' + RuntimeSupport.makeDescriptor(m);	// see keyToDesc().
+                String key = m.getName() + ':' + RuntimeSupport.makeDescriptor(m);  // see keyToDesc().
                 if (key.startsWith(HANDLER_GETTER_KEY))
                     hasGetHandler = true;
 
                 // JIRA JASSIST-85
                 // put the method to the cache, retrieve previous definition (if any) 
-                Method oldMethod = (Method)hash.put(key, methods[i]); 
+                Method oldMethod = (Method)hash.put(key, m);
+
+                // JIRA JASSIST-244
+                // ignore a bridge method with the same signature that the overridden one has.
+                if (null != oldMethod && isBridge(m)
+                    && !Modifier.isPublic(oldMethod.getDeclaringClass().getModifiers())
+                    && !Modifier.isAbstract(oldMethod.getModifiers()) && !isOverloaded(i, methods))
+                    hash.put(key, oldMethod);
 
                 // check if visibility has been reduced 
                 if (null != oldMethod && Modifier.isPublic(oldMethod.getModifiers())
-                                      && !Modifier.isPublic(methods[i].getModifiers()) ) { 
+                                      && !Modifier.isPublic(m.getModifiers()) ) { 
                     // we tried to overwrite a public definition with a non-public definition,
                     // use the old definition instead. 
                     hash.put(key, oldMethod); 
@@ -1164,6 +1171,16 @@ public class ProxyFactory {
             }
     }
 
+    private static boolean isOverloaded(int index, Method[] methods) {
+        String name = methods[index].getName();
+        for (int i = 0; i < methods.length; i++)
+            if (i != index)
+                if (name.equals(methods[i].getName()))
+                    return true;
+
+        return false;
+    }
+
     private static final String HANDLER_GETTER_KEY
     	= HANDLER_GETTER + ":()";
 

src/test/test/javassist/proxy/ProxySimpleTest.java

@@ -99,4 +99,45 @@ public class ProxySimpleTest extends TestCase {
     public static class WriteReplace2 implements Serializable {
         public Object writeReplace(int i) { return new Integer(i); }
     }
+
+    String value244;
+
+    public void testJIRA244() throws Exception {
+        ProxyFactory factory = new ProxyFactory();
+        factory.setSuperclass(Extended244.class);
+        Extended244 e = (Extended244)factory.create(null, null, new MethodHandler() {
+            @Override
+            public Object invoke(Object self, Method thisMethod,
+                    Method proceed, Object[] args) throws Throwable {
+                value244 += thisMethod.getDeclaringClass().getName();
+                return proceed.invoke(self);
+            }
+        });
+
+        value244 = "";
+        assertEquals("base", e.base());
+        System.out.println(value244);
+        assertEquals(Extended244.class.getName(), value244);
+
+        value244 = "";
+        assertEquals("ext", e.extended());
+        System.out.println(value244);
+        assertEquals(Extended244.class.getName(), value244);
+
+        value244 = "";
+        assertEquals("base2ext2", e.base2());
+        System.out.println(value244);
+        assertEquals(Extended244.class.getName(), value244);
+    }
+
+    // if Base244 is private, then Extended244 has a bridge method for base().
+    private static abstract class Base244 {
+        public String base() { return "base"; }
+        public String base2() { return "base2"; }
+    }
+
+    public static class Extended244 extends Base244 {
+        public String extended() { return "ext"; }
+        public String base2() { return super.base2() + "ext2"; }
+    }
 }

src/test/testproxy/ProxyTester.java

@@ -399,7 +399,7 @@ public class ProxyTester extends TestCase {
     public static void testJIRA189() throws Exception {
     	Class persistentClass = Target189.PublishedArticle.class;
         ProxyFactory factory = new ProxyFactory();
-        factory.writeDirectory = ".";
+        // factory.writeDirectory = ".";
         factory.setUseCache(false);
         factory.setSuperclass(persistentClass);
         factory.setInterfaces(new Class[] { Target189.TestProxy.class });
@@ -417,7 +417,7 @@ public class ProxyTester extends TestCase {
 
     public void testJIRA127() throws Exception {
         ProxyFactory proxyFactory = new ProxyFactory();
-        proxyFactory.writeDirectory = ".";
+        // proxyFactory.writeDirectory = ".";
         proxyFactory.setInterfaces(new Class[]{ Target127.Sub.class });
         Target127.Sub proxy = (Target127.Sub)proxyFactory.create(new Class[0], new Object[0], new MethodHandler() {
             public Object invoke(Object self, Method thisMethod, Method proceed, Object[] args) throws Throwable {