1 package org.robolectric.internal.bytecode; 2 3 import java.lang.invoke.MethodHandle; 4 import java.lang.invoke.MethodType; 5 import javax.annotation.Nonnull; 6 import org.robolectric.util.Function; 7 import org.robolectric.util.ReflectionHelpers; 8 9 public abstract class Interceptor { 10 private MethodRef[] methodRefs; 11 Interceptor(MethodRef... methodRefs)12 public Interceptor(MethodRef... methodRefs) { 13 this.methodRefs = methodRefs; 14 } 15 getMethodRefs()16 public MethodRef[] getMethodRefs() { 17 return methodRefs; 18 } 19 handle(MethodSignature methodSignature)20 abstract public Function<Object, Object> handle(MethodSignature methodSignature); 21 getMethodHandle(String methodName, MethodType type)22 abstract public MethodHandle getMethodHandle(String methodName, MethodType type) throws NoSuchMethodException, IllegalAccessException; 23 24 @Nonnull returnDefaultValue(final MethodSignature methodSignature)25 protected static Function<Object, Object> returnDefaultValue(final MethodSignature methodSignature) { 26 return new Function<Object, Object>() { 27 @Override 28 public Object call(Class<?> theClass, Object value, Object[] params) { 29 return ReflectionHelpers.defaultValueForType(methodSignature.returnType); 30 } 31 }; 32 } 33 } 34