/*
* JBoss, Home of Professional Open Source.
*
* Copyright 2012 Red Hat, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.jboss.classfilewriter;
import org.jboss.classfilewriter.annotations.AnnotationsAttribute;
import org.jboss.classfilewriter.attributes.Attribute;
import org.jboss.classfilewriter.attributes.SignatureAttribute;
import org.jboss.classfilewriter.constpool.ConstPool;
import org.jboss.classfilewriter.util.ByteArrayDataOutputStream;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
/**
* A field in a class
*
* @author Stuart Douglas
*
*/
public class ClassField implements WritableEntry {
private final short accessFlags;
private final String name;
private final short nameIndex;
private final String descriptor;
private final short descriptorIndex;
private final List<Attribute> attributes = new ArrayList<Attribute>();
private final ClassFile classFile;
private final AnnotationsAttribute runtimeVisibleAnnotationsAttribute;
private SignatureAttribute signatureAttribute;
private String signature;
ClassField(short accessFlags, String name, String descriptor, ClassFile classFile,
ConstPool constPool) {
this.accessFlags = accessFlags;
this.name = name;
this.descriptor = descriptor;
this.classFile = classFile;
this.nameIndex = constPool.addUtf8Entry(name);
this.descriptorIndex = constPool.addUtf8Entry(descriptor);
runtimeVisibleAnnotationsAttribute = new AnnotationsAttribute(AnnotationsAttribute.Type.RUNTIME_VISIBLE, constPool);
this.attributes.add(runtimeVisibleAnnotationsAttribute);
}
public void write(ByteArrayDataOutputStream stream) throws IOException {
if(signatureAttribute != null) {
attributes.add(signatureAttribute);
}
stream.writeShort(accessFlags);
stream.writeShort(nameIndex);
stream.writeShort(descriptorIndex);
stream.writeShort(attributes.size());
for (Attribute attribute : attributes) {
attribute.write(stream);
}
}
public short getAccessFlags() {
return accessFlags;
}
public String getName() {
return name;
}
public String getDescriptor() {
return descriptor;
}
public ClassFile getClassFile() {
return classFile;
}
public String getSignature() {
return signature;
}
public void setSignature(String signature) {
if(signature == null) {
signatureAttribute = null;
} else {
signatureAttribute = new SignatureAttribute(classFile.getConstPool(), signature);
}
this.signature = signature;
}
@Override
public int hashCode() {
final int prime = 31;
int result = 1;
result = prime * result + ((descriptor == null) ? 0 : descriptor.hashCode());
result = prime * result + ((name == null) ? 0 : name.hashCode());
return result;
}
@Override
public boolean equals(Object obj) {
if (this == obj)
return true;
if (obj == null)
return false;
if (getClass() != obj.getClass())
return false;
ClassField other = (ClassField) obj;
if (descriptor == null) {
if (other.descriptor != null)
return false;
} else if (!descriptor.equals(other.descriptor))
return false;
if (name == null) {
if (other.name != null)
return false;
} else if (!name.equals(other.name))
return false;
return true;
}
public AnnotationsAttribute getRuntimeVisibleAnnotationsAttribute() {
return runtimeVisibleAnnotationsAttribute;
}
}