fixed for JDK 8

.travis.yml

@@ -0,0 +1,7 @@
+language: java
+jdk:
+  - oraclejdk8
+  - oraclejdk7
+  - openjdk6
+script:
+  - "./gradlew test"

build.gradle

@@ -3,6 +3,8 @@ apply plugin: 'java'
 group = 'org.duckapter'
 version = '0.8.0'
 
+sourceCompatibility=1.6
+targetCompatibility=1.6
 
 repositories {
     mavenCentral()

src/main/java/org/duckapter/adapted/AdaptedClassImpl.java

@@ -41,7 +41,7 @@ final class AdaptedClassImpl<O, D> extends AbstractAdaptedClass<O, D> implements
 	}
 
 	private AdaptedClass<O, D> getDetailedClass() {
-		if (detailed == true) {
+		if (detailed) {
 			return this;
 		}
 		if (detailedClass == null) {
@@ -168,33 +168,27 @@ private D createProxyFor(InvocationHandler handler) {
 		try {
 			return (D) proxyClassConstructor.newInstance(handler);
 		} catch (IllegalArgumentException e) {
-			// TODO Auto-generated catch block
-			e.printStackTrace();
+            throw new IllegalStateException("Cannot create proxy!", e);
 		} catch (InstantiationException e) {
-			// TODO Auto-generated catch block
-			e.printStackTrace();
+            throw new IllegalStateException("Cannot create proxy!", e);
 		} catch (IllegalAccessException e) {
-			// TODO Auto-generated catch block
-			e.printStackTrace();
+            throw new IllegalStateException("Cannot create proxy!", e);
 		} catch (InvocationTargetException e) {
-			// TODO Auto-generated catch block
-			e.printStackTrace();
+            throw new IllegalStateException("Cannot create proxy!", e);
 		}
-		throw new IllegalStateException("Cannot create proxy!");
+
 	}
 
 	private void initProxyConstructor() {
 		Class<?> proxyClass = Proxy.getProxyClass(AdaptedClassImpl.class
 				.getClassLoader(), getDuckInterface());
 		try {
-			proxyClassConstructor = proxyClass
-					.getConstructor(InvocationHandler.class);
+			proxyClassConstructor = proxyClass.getConstructor(InvocationHandler.class);
+            proxyClassConstructor.setAccessible(true);
 		} catch (SecurityException e) {
-			// TODO Auto-generated catch block
-			e.printStackTrace();
+            throw new IllegalStateException("Cannot init proxy constructor!", e);
 		} catch (NoSuchMethodException e) {
-			// TODO Auto-generated catch block
-			e.printStackTrace();
+            throw new IllegalStateException("Cannot init proxy constructor!", e);
 		}
 	}