123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105 |
- /* *******************************************************************
- * Copyright (c) 2013 VMware
- * 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 {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 (int i=0; i<typeAnnotations.length; i++) {
- typeAnnotations[i].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<AnnotationGen[]>();
- // 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<numTypeAnnotations; i++) {
- typeAnnotations[i] = TypeAnnotationGen.read(dis,getConstantPool(),visible);
- }
- }
- } catch (IOException ioe) {
- throw new RuntimeException("Unabled to inflate type annotation data, badly formed?");
- }
- }
-
- public String toString() {
- return "Runtime"+(visible?"Visible":"Invisible")+"TypeAnnotations ["+(isInflated()?"inflated":"not yet inflated")+"]";
- }
-
- public boolean isInflated() {
- return typeAnnotations != null;
- }
-
- }
|