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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.ByteArrayInputStream;
- import java.io.ByteArrayOutputStream;
- import java.io.DataInputStream;
- import java.io.DataOutputStream;
- import java.io.IOException;
- import java.util.ArrayList;
- import java.util.List;
- import java.util.Vector;
-
- import org.aspectj.apache.bcel.Constants;
- import org.aspectj.apache.bcel.classfile.Utility;
- import org.aspectj.apache.bcel.classfile.Attribute;
- import org.aspectj.apache.bcel.classfile.annotation.RuntimeVisibleAnnotations;
- import org.aspectj.apache.bcel.classfile.annotation.RuntimeInvisibleAnnotations;
- import org.aspectj.apache.bcel.classfile.annotation.RuntimeAnnotations;
- import org.aspectj.apache.bcel.generic.ClassGen;
- import org.aspectj.apache.bcel.generic.ConstantPoolGen;
- import org.aspectj.apache.bcel.generic.ObjectType;
- import org.aspectj.apache.bcel.generic.annotation.AnnotationGen;
- import org.aspectj.apache.bcel.generic.annotation.ElementNameValuePairGen;
- import org.aspectj.apache.bcel.generic.annotation.ElementValueGen;
- import org.aspectj.apache.bcel.generic.annotation.SimpleElementValueGen;
-
- public class AnnotationGenTest extends BcelTestCase {
-
- protected void setUp() throws Exception {
- super.setUp();
- }
-
- private ClassGen createClassGen(String classname) {
- return new ClassGen(classname, "java.lang.Object",
- "<generated>", Constants.ACC_PUBLIC | Constants.ACC_SUPER, null);
- }
-
- /**
- * Programmatically construct an mutable annotation (AnnotationGen) object.
- */
- public void testConstructMutableAnnotation() {
-
- // Create the containing class
- ClassGen cg = createClassGen("HelloWorld");
- ConstantPoolGen cp = cg.getConstantPool();
-
- // Create the simple primitive value '4' of type 'int'
- SimpleElementValueGen evg =
- new SimpleElementValueGen(ElementValueGen.PRIMITIVE_INT,cp,4);
-
- // Give it a name, call it 'id'
- ElementNameValuePairGen nvGen = new ElementNameValuePairGen("id",evg,cp);
-
- // Check it looks right
- assertTrue("Should include string 'id=4' but says: "+nvGen.toString(),
- nvGen.toString().indexOf("id=4")!=-1);
-
-
- ObjectType t = new ObjectType("SimpleAnnotation");
-
- List elements = new ArrayList();
- elements.add(nvGen);
-
- // Build an annotation of type 'SimpleAnnotation' with 'id=4' as the only value :)
- AnnotationGen a = new AnnotationGen(t,elements,true,cp);
-
- // Check we can save and load it ok
- checkSerialize(a,cp);
- }
-
-
- public void testVisibleInvisibleAnnotationGen() {
-
- // Create the containing class
- ClassGen cg = createClassGen("HelloWorld");
- ConstantPoolGen cp = cg.getConstantPool();
-
- // Create the simple primitive value '4' of type 'int'
- SimpleElementValueGen evg =
- new SimpleElementValueGen(ElementValueGen.PRIMITIVE_INT,cp,4);
-
- // Give it a name, call it 'id'
- ElementNameValuePairGen nvGen = new ElementNameValuePairGen("id",evg,cp);
-
- // Check it looks right
- assertTrue("Should include string 'id=4' but says: "+nvGen.toString(),
- nvGen.toString().indexOf("id=4")!=-1);
-
-
- ObjectType t = new ObjectType("SimpleAnnotation");
-
- List elements = new ArrayList();
- elements.add(nvGen);
-
- // Build a RV annotation of type 'SimpleAnnotation' with 'id=4' as the only value :)
- AnnotationGen a = new AnnotationGen(t,elements,true,cp);
-
- Vector v = new Vector();
- v.add(a);
- Attribute[] attributes = Utility.getAnnotationAttributes(cp, v);
- boolean foundRV = false;
- for (int i = 0; i < attributes.length; i++) {
- Attribute attribute = attributes[i];
- if (attribute instanceof RuntimeVisibleAnnotations) {
- assertTrue(((RuntimeAnnotations)attribute).areVisible());
- foundRV = true;
-
- }
- }
- assertTrue("Should have seen a RuntimeVisibleAnnotation", foundRV);
-
-
- // Build a RIV annotation of type 'SimpleAnnotation' with 'id=4' as the only value :)
- AnnotationGen a2 = new AnnotationGen(t,elements,false,cp);
-
- Vector v2 = new Vector();
- v2.add(a2);
- Attribute[] attributes2 = Utility.getAnnotationAttributes(cp, v2);
- boolean foundRIV = false;
- for (int i = 0; i < attributes2.length; i++) {
- Attribute attribute = attributes2[i];
- if (attribute instanceof RuntimeInvisibleAnnotations) {
- assertFalse(((RuntimeAnnotations)attribute).areVisible());
- foundRIV = true;
- }
- }
- assertTrue("Should have seen a RuntimeInvisibleAnnotation", foundRIV);
- }
-
- ////
- // Helper methods
-
- private void checkSerialize(AnnotationGen a,ConstantPoolGen cpg) {
- try {
- String beforeName = a.getTypeName();
- List beforeValues = a.getValues();
- ByteArrayOutputStream baos = new ByteArrayOutputStream();
- DataOutputStream dos = new DataOutputStream(baos);
- a.dump(dos);
- dos.flush();
- dos.close();
-
- byte[] bs = baos.toByteArray();
-
- ByteArrayInputStream bais = new ByteArrayInputStream(bs);
- DataInputStream dis = new DataInputStream(bais);
- AnnotationGen annAfter = AnnotationGen.read(dis,cpg,a.isRuntimeVisible());
-
- dis.close();
-
- String afterName = annAfter.getTypeName();
- List afterValues = annAfter.getValues();
-
- if (!beforeName.equals(afterName)) {
- fail("Deserialization failed: before type='"+beforeName+"' after type='"+afterName+"'");
- }
- if (a.getValues().size()!=annAfter.getValues().size()) {
- fail("Different numbers of element name value pairs?? "+a.getValues().size()+"!="+annAfter.getValues().size());
- }
- for (int i=0;i<a.getValues().size();i++) {
- ElementNameValuePairGen beforeElement = (ElementNameValuePairGen) a.getValues().get(i);
- ElementNameValuePairGen afterElement = (ElementNameValuePairGen) annAfter.getValues().get(i);
- if (!beforeElement.getNameString().equals(afterElement.getNameString())) {
- fail("Different names?? "+beforeElement.getNameString()+"!="+afterElement.getNameString());
- }
- }
-
-
- } catch (IOException ioe) {
- fail("Unexpected exception whilst checking serialization: "+ioe);
- }
- }
-
-
- protected void tearDown() throws Exception {
- super.tearDown();
- }
-
- }
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