org.aspectj.apache.bcel.classfile.annotation.RuntimeTypeAnnos Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of aspectjweaver Show documentation
Show all versions of aspectjweaver Show documentation
The AspectJ weaver applies aspects to Java classes. It can be used as a Java agent in order to apply load-time
weaving (LTW) during class-loading and also contains the AspectJ runtime classes.
/* *******************************************************************
* Copyright (c) 2013 VMware
* All rights reserved.
* This program and the accompanying materials are made available
* under the terms of the Eclipse Public License v 2.0
* which accompanies this distribution and is available at
* https://www.eclipse.org/org/documents/epl-2.0/EPL-2.0.txt
*
* Contributors:
* Andy Clement - initial implementation {date}
* ******************************************************************/
package org.aspectj.apache.bcel.classfile.annotation;
import java.io.ByteArrayInputStream;
import java.io.DataInputStream;
import java.io.DataOutputStream;
import java.io.IOException;
import org.aspectj.apache.bcel.classfile.Attribute;
import org.aspectj.apache.bcel.classfile.ConstantPool;
public abstract class RuntimeTypeAnnos extends Attribute {
private boolean visible;
private TypeAnnotationGen[] typeAnnotations; // null until inflated
// Keep just a byte stream of the data until someone actually asks for the information within
private byte[] annotation_data;
public RuntimeTypeAnnos(byte attrid, boolean visible, int nameIdx, int len, ConstantPool cpool) {
super(attrid,nameIdx,len,cpool);
this.visible = visible;
}
protected void readTypeAnnotations(DataInputStream dis,ConstantPool cpool) throws IOException {
annotation_data = new byte[length];
dis.readFully(annotation_data,0,length);
}
public final void dump(DataOutputStream dos) throws IOException {
super.dump(dos);
writeTypeAnnotations(dos);
}
protected void writeTypeAnnotations(DataOutputStream dos) throws IOException {
if (typeAnnotations == null) {
dos.write(annotation_data,0,length);
} else {
dos.writeShort(typeAnnotations.length);
for (TypeAnnotationGen typeAnnotation : typeAnnotations) {
typeAnnotation.dump(dos);
}
}
}
// public RuntimeTypeAnnos(byte attrid,boolean visible,int nameIdx,int len,byte[] data,ConstantPool cpool) {
// super(attrid,nameIdx,len,cpool);
// this.visible = visible;
// parameterAnnotations = new ArrayList();
// annotation_data = data;
// }
public Attribute copy(ConstantPool constant_pool) {
throw new RuntimeException("Not implemented yet!");
}
public TypeAnnotationGen[] getTypeAnnotations() {
ensureInflated();
return typeAnnotations;
}
public boolean areVisible() {
return visible;
}
private void ensureInflated() {
if (typeAnnotations !=null) {
return;
}
try {
DataInputStream dis = new DataInputStream(new ByteArrayInputStream(annotation_data));
int numTypeAnnotations = dis.readUnsignedShort();
if (numTypeAnnotations == 0) {
typeAnnotations = TypeAnnotationGen.NO_TYPE_ANNOTATIONS;
} else {
typeAnnotations = new TypeAnnotationGen[numTypeAnnotations];
for (int i=0; i