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/* *******************************************************************
* Copyright (c) 2004 IBM
* 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:
* Andy Clement - initial implementation
* ******************************************************************/
package org.aspectj.apache.bcel.classfile.tests;
import java.io.File;
import java.io.IOException;
import java.util.Iterator;
import org.aspectj.apache.bcel.classfile.Attribute;
import org.aspectj.apache.bcel.classfile.JavaClass;
import org.aspectj.apache.bcel.classfile.Method;
import org.aspectj.apache.bcel.classfile.annotation.AnnotationGen;
import org.aspectj.apache.bcel.classfile.annotation.ElementNameValuePairGen;
import org.aspectj.apache.bcel.classfile.annotation.RuntimeVisibleParameterAnnotations;
import org.aspectj.apache.bcel.util.SyntheticRepository;
public class RuntimeVisibleParameterAnnotationAttributeTest extends BcelTestCase {
protected void setUp() throws Exception {
super.setUp();
}
public void testAccessingRuntimeVisibleParameterAnnotations() throws ClassNotFoundException {
JavaClass clazz = getClassFromJar("AnnotatedParameters");
Attribute[] rvaAttr = findAttribute("RuntimeVisibleParameterAnnotations",clazz);
Method[] methods = clazz.getMethods();
for (int i = 0; i < methods.length; i++) {
Method m = methods[i];
if (m.getName().equals("foo")) {
RuntimeVisibleParameterAnnotations paramAnns =
(RuntimeVisibleParameterAnnotations) findAttribute("RuntimeVisibleParameterAnnotations",m.getAttributes());
assertTrue("foo takes two parameters, not "+paramAnns.getParameterAnnotations().size(),
paramAnns.getParameterAnnotations().size()==2);
AnnotationGen[] firstParamAnnotations = paramAnns.getAnnotationsOnParameter(0);
checkAnnotation(firstParamAnnotations[0],"SimpleAnnotation","id","2");
AnnotationGen[] secondParamAnnotations = paramAnns.getAnnotationsOnParameter(1);
checkAnnotation(secondParamAnnotations[0],"SimpleAnnotation","id","3");
checkAnnotation(secondParamAnnotations[1],"AnnotationEnumElement","enumval","LSimpleEnum;Red");
}
if (m.getName().equals("main")) {
RuntimeVisibleParameterAnnotations paramAnns =
(RuntimeVisibleParameterAnnotations) findAttribute("RuntimeVisibleParameterAnnotations",m.getAttributes());
assertTrue("main takes one parameter, not "+paramAnns.getParameterAnnotations().size(),
paramAnns.getParameterAnnotations().size()==1);
AnnotationGen[] firstParamAnnotations = paramAnns.getAnnotationsOnParameter(0);
checkAnnotation(firstParamAnnotations[0],"SimpleAnnotation","id","1");
}
}
}
public void testAccessingParameterAnnotationsThroughGetAnnotations() throws ClassNotFoundException {
JavaClass clazz = getClassFromJar("AnnotatedParameters");
Attribute[] rvaAttr = findAttribute("RuntimeVisibleParameterAnnotations",clazz);
checkFooMethod(clazz);
}
public void testParameterAnnotationsReadWrite() throws ClassNotFoundException,IOException {
JavaClass clazz = getClassFromJar("AnnotatedParameters");
checkFooMethod(clazz);
// Write it out
File tfile = createTestdataFile("AnnotatedParameters.class");
clazz.dump(tfile);
SyntheticRepository repos2 = createRepos(".");
JavaClass clazz2 = repos2.loadClass("AnnotatedParameters");
checkFooMethod(clazz);
assertTrue(tfile.delete());
}
public void checkFooMethod(JavaClass clazz) {
Method[] methods = clazz.getMethods();
for (int i = 0; i < methods.length; i++) {
Method m = methods[i];
if (m.getName().equals("foo")) {
AnnotationGen[] firstParamAnnotations = m.getAnnotationsOnParameter(0);
checkAnnotation(firstParamAnnotations[0],"SimpleAnnotation","id","2");
AnnotationGen[] secondParamAnnotations = m.getAnnotationsOnParameter(1);
checkAnnotation(secondParamAnnotations[0],"SimpleAnnotation","id","3");
checkAnnotation(secondParamAnnotations[1],"AnnotationEnumElement","enumval","LSimpleEnum;Red");
}
}
}
private void checkAnnotation(AnnotationGen a,String name,String elementname,String elementvalue) {
assertTrue("Expected annotation to have name "+name+" but it had name "+a.getTypeName(),
a.getTypeName().equals(name));
assertTrue("Expected annotation to have one element but it had "+a.getValues().size(),a.getValues().size()==1);
ElementNameValuePairGen envp = (ElementNameValuePairGen)a.getValues().get(0);
assertTrue("Expected element name "+elementname+" but was "+envp.getNameString(),
elementname.equals(envp.getNameString()));
assertTrue("Expected element value "+elementvalue+" but was "+envp.getValue().stringifyValue(),
elementvalue.equals(envp.getValue().stringifyValue()));
}
// helper methods
public void checkValue(AnnotationGen a,String name,String tostring) {
for (Iterator i = a.getValues().iterator(); i.hasNext();) {
ElementNameValuePairGen element = (ElementNameValuePairGen) i.next();
if (element.getNameString().equals(name)) {
if (!element.getValue().stringifyValue().equals(tostring)) {
fail("Expected element "+name+" to have value "+tostring+" but it had value "+element.getValue().stringifyValue());
}
return;
}
}
fail("Didnt find named element "+name);
}
protected void tearDown() throws Exception {
super.tearDown();
}
}
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