org.aspectj.apache.bcel.classfile.annotation.RuntimeParamAnnos Maven / Gradle / Ivy
/* *******************************************************************
* Copyright (c) 2004 IBM
* 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 java.util.ArrayList;
import java.util.List;
import org.aspectj.apache.bcel.classfile.Attribute;
import org.aspectj.apache.bcel.classfile.ConstantPool;
public abstract class RuntimeParamAnnos extends Attribute {
private List parameterAnnotations;
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 RuntimeParamAnnos(byte attrid, boolean visible,
int nameIdx, int len, ConstantPool cpool) {
super(attrid,nameIdx,len,cpool);
this.visible = visible;
parameterAnnotations = new ArrayList<>();
}
public RuntimeParamAnnos(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 final void dump(DataOutputStream dos) throws IOException {
super.dump(dos);
writeAnnotations(dos);
}
public Attribute copy(ConstantPool constant_pool) {
throw new RuntimeException("Not implemented yet!");
}
/** Return a list of Annotation[] - each list entry contains the annotations for one parameter */
public List /*Annotation[]*/ getParameterAnnotations() {
if (!inflated) inflate();
return parameterAnnotations;
}
public AnnotationGen[] getAnnotationsOnParameter(int parameterIndex) {
if (!inflated) inflate();
// This may happen. In a ctor for a non static inner type the compiler
// may have added an extra parameter to the generated ctor (the parameter
// contains the instance of the outer class) - in this case
// it may appear that there are more parameters than there are entries
// in the parameter annotations array
if (parameterIndex>=parameterAnnotations.size()) {
return AnnotationGen.NO_ANNOTATIONS;
}
return parameterAnnotations.get(parameterIndex);
}
public boolean areVisible() {
return visible;
}
protected void readParameterAnnotations(DataInputStream dis,ConstantPool cpool) throws IOException {
annotation_data = new byte[length];
dis.readFully(annotation_data,0,length);
}
private void inflate() {
try {
DataInputStream dis = new DataInputStream(new ByteArrayInputStream(annotation_data));
int numParameters = dis.readUnsignedByte();
if (numParameters > 0) {
List inflatedParameterAnnotations = new ArrayList<>();
for (int i=0; i