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- /* *******************************************************************
- * Copyright (c) 2004, 2013 IBM, 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 java.util.ArrayList;
- import java.util.Iterator;
- import java.util.List;
-
- import org.aspectj.apache.bcel.classfile.Attribute;
- import org.aspectj.apache.bcel.classfile.ConstantPool;
-
- public abstract class RuntimeAnnos extends Attribute {
-
- private List<AnnotationGen> annotations;
- private boolean visible;
-
- // Keep just a byte stream of the data until someone actually asks for it
- private boolean inflated = false;
- private byte[] annotation_data;
-
- public RuntimeAnnos(byte attrid, boolean visible, int nameIdx, int len, ConstantPool cpool) {
- super(attrid, nameIdx, len, cpool);
- this.visible = visible;
- annotations = new ArrayList<AnnotationGen>();
- }
-
- public RuntimeAnnos(byte attrid, boolean visible, int nameIdx, int len, byte[] data, ConstantPool cpool) {
- super(attrid, nameIdx, len, cpool);
- this.visible = visible;
- annotations = new ArrayList<AnnotationGen>();
- annotation_data = data;
- }
-
- public List<AnnotationGen> getAnnotations() {
- if (!inflated)
- inflate();
- return annotations;
- }
-
- public boolean areVisible() {
- return visible;
- }
-
- protected void readAnnotations(DataInputStream dis, ConstantPool cpool) throws IOException {
- annotation_data = new byte[length];
- dis.readFully(annotation_data, 0, length);
- }
-
- protected void writeAnnotations(DataOutputStream dos) throws IOException {
- if (!inflated) {
- dos.write(annotation_data, 0, length);
- } else {
- dos.writeShort(annotations.size());
- for (AnnotationGen ann : annotations) {
- ann.dump(dos);
- }
- }
- }
-
-
- private void inflate() {
- try {
- DataInputStream dis = new DataInputStream(new ByteArrayInputStream(annotation_data));
- int numberOfAnnotations = dis.readUnsignedShort();
- if (numberOfAnnotations > 0) {
- List<AnnotationGen> inflatedAnnotations = new ArrayList<AnnotationGen>();
- for (int i = 0; i < numberOfAnnotations; i++) {
- inflatedAnnotations.add(AnnotationGen.read(dis, getConstantPool(), visible));
- }
- annotations = inflatedAnnotations;
- }
- dis.close();
- inflated = true;
- } catch (IOException ioe) {
- throw new RuntimeException("Unabled to inflate annotation data, badly formed? ");
- }
- }
-
- /** FOR TESTING ONLY: Tells you if the annotations have been inflated to an object graph */
- public boolean isInflated() {
- return inflated;
- }
-
- }
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