/*******************************************************************************
* Copyright (c) 2007 IBM Corporation.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package com.ibm.wala.types.annotations;
import java.util.Collection;
import com.ibm.wala.classLoader.FieldImpl;
import com.ibm.wala.classLoader.IClass;
import com.ibm.wala.classLoader.IField;
import com.ibm.wala.classLoader.IMethod;
import com.ibm.wala.classLoader.ShrikeCTMethod;
import com.ibm.wala.classLoader.ShrikeClass;
import com.ibm.wala.shrikeCT.InvalidClassFileException;
import com.ibm.wala.types.TypeName;
import com.ibm.wala.util.debug.Assertions;
public class Annotations {
public static final TypeName INTERNAL = TypeName.findOrCreateClassName("com/ibm/wala/annotations", "Internal");
public static final TypeName NONNULL = TypeName.findOrCreateClassName("com/ibm/wala/annotations", "NonNull");
/**
* Does a particular method have a particular annotation?
*/
public static boolean hasAnnotation(IMethod m, TypeName type) {
if (m instanceof ShrikeCTMethod) {
Collection<Annotation> annotations = null;
try {
annotations = ((ShrikeCTMethod) m).getRuntimeInvisibleAnnotations();
} catch (InvalidClassFileException e) {
e.printStackTrace();
Assertions.UNREACHABLE();
}
for (Annotation a : annotations) {
if (a.getType().getName().equals(type)) {
return true;
}
}
}
return false;
}
/**
* Does a particular class have a particular annotation?
*/
public static boolean hasAnnotation(IClass c, TypeName type) {
if (c instanceof ShrikeClass) {
Collection<Annotation> annotations = null;
try {
annotations = ((ShrikeClass) c).getRuntimeInvisibleAnnotations();
} catch (InvalidClassFileException e) {
e.printStackTrace();
Assertions.UNREACHABLE();
}
for (Annotation a : annotations) {
if (a.getType().getName().equals(type)) {
return true;
}
}
}
return false;
}
public static boolean hasAnnotation(IField field, TypeName type) {
if (field instanceof FieldImpl) {
FieldImpl f = (FieldImpl) field;
Collection<Annotation> annotations = f.getAnnotations();
if (annotations != null) {
for (Annotation a : annotations) {
if (a.getType().getName().equals(type)) {
return true;
}
}
}
}
return false;
}
}