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/*
* Javassist, a Java-bytecode translator toolkit.
* Copyright (C) 1999- Shigeru Chiba. All Rights Reserved.
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. Alternatively, the contents of this file may be used under
* the terms of the GNU Lesser General Public License Version 2.1 or later,
* or the Apache License Version 2.0.
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*/
package javassist.bytecode.analysis;
import javassist.ClassPool;
import javassist.CtClass;
import javassist.NotFoundException;
/**
* Represents an array of {@link MultiType} instances.
*
* @author Jason T. Greene
*/
public class MultiArrayType extends Type {
private MultiType component;
private int dims;
public MultiArrayType(MultiType component, int dims) {
super(null);
this.component = component;
this.dims = dims;
}
@Override
public CtClass getCtClass() {
CtClass clazz = component.getCtClass();
if (clazz == null)
return null;
ClassPool pool = clazz.getClassPool();
if (pool == null)
pool = ClassPool.getDefault();
String name = arrayName(clazz.getName(), dims);
try {
return pool.get(name);
} catch (NotFoundException e) {
throw new RuntimeException(e);
}
}
@Override
boolean popChanged() {
return component.popChanged();
}
@Override
public int getDimensions() {
return dims;
}
@Override
public Type getComponent() {
return dims == 1 ? (Type)component : new MultiArrayType(component, dims - 1);
}
@Override
public int getSize() {
return 1;
}
@Override
public boolean isArray() {
return true;
}
@Override
public boolean isAssignableFrom(Type type) {
throw new UnsupportedOperationException("Not implemented");
}
@Override
public boolean isReference() {
return true;
}
public boolean isAssignableTo(Type type) {
if (eq(type.getCtClass(), Type.OBJECT.getCtClass()))
return true;
if (eq(type.getCtClass(), Type.CLONEABLE.getCtClass()))
return true;
if (eq(type.getCtClass(), Type.SERIALIZABLE.getCtClass()))
return true;
if (! type.isArray())
return false;
Type typeRoot = getRootComponent(type);
int typeDims = type.getDimensions();
if (typeDims > dims)
return false;
if (typeDims < dims) {
if (eq(typeRoot.getCtClass(), Type.OBJECT.getCtClass()))
return true;
if (eq(typeRoot.getCtClass(), Type.CLONEABLE.getCtClass()))
return true;
if (eq(typeRoot.getCtClass(), Type.SERIALIZABLE.getCtClass()))
return true;
return false;
}
return component.isAssignableTo(typeRoot);
}
@Override
public int hashCode() {
return component.hashCode() + dims;
}
@Override
public boolean equals(Object o) {
if (! (o instanceof MultiArrayType))
return false;
MultiArrayType multi = (MultiArrayType)o;
return component.equals(multi.component) && dims == multi.dims;
}
@Override
public String toString() {
// follows the same detailed formating scheme as component
return arrayName(component.toString(), dims);
}
}
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