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A PHP engine implemented in 100% Java
/*
* Copyright (c) 1998-2012 Caucho Technology -- all rights reserved
*
* This file is part of Resin(R) Open Source
*
* Each copy or derived work must preserve the copyright notice and this
* notice unmodified.
*
* Resin Open Source is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* Resin Open Source is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, or any warranty
* of NON-INFRINGEMENT. See the GNU General Public License for more
* details.
*
* You should have received a copy of the GNU General Public License
* along with Resin Open Source; if not, write to the
*
* Free Software Foundation, Inc.
* 59 Temple Place, Suite 330
* Boston, MA 02111-1307 USA
*
* @author Scott Ferguson
*/
package com.caucho.config.reflect;
import java.io.Serializable;
import java.lang.reflect.Type;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Set;
import com.caucho.config.inject.InjectManager;
import com.caucho.inject.Module;
/**
* class type matching
*/
@Module
public class ClassType extends BaseType
{
public static final ObjectType OBJECT_TYPE;
private static final HashMap,ClassType> _classTypeMap
= new HashMap,ClassType>();
private static final HashSet> _classTypeIgnoreSet
= new HashSet>();
private Class _type;
protected ClassType(Class type)
{
// ioc/0706
/*
Class boxType = _boxTypeMap.get(type);
if (boxType != null)
type = boxType;
*/
_type = type;
}
public static ClassType create(Class type)
{
ClassType classType = _classTypeMap.get(type);
if (classType != null)
return classType;
else
return new ClassType(type);
}
@Override
public Class getRawClass()
{
return _type;
}
@Override
public Type toType()
{
return _type;
}
@Override
public boolean isAssignableFrom(BaseType type)
{
if (type.isWildcard() || type.isVariable()) {
for (BaseType bound : type.getWildcardBounds()) {
if (! isAssignableFrom(bound))
return false;
}
return true;
}
else if (! _type.isAssignableFrom(type.getRawClass()))
return false;
else if (type.getParameters().length > 0) {
for (BaseType param : type.getParameters()) {
if (! OBJECT_TYPE.isParamAssignableFrom(param))
return false;
}
return true;
}
else
return true;
}
@Override
public boolean isParamAssignableFrom(BaseType type)
{
// ioc/024d
if (type.isWildcard() || type.isVariable()) {
// ioc/0i3q
boolean isMatchBound = true; // false;
for (BaseType bound : type.getWildcardBounds()) {
// ioc/024d
if (bound.isObject())
continue;
// if (! isAssignableFrom(bound))
// return false;
// ioc/2601
if (! bound.isAssignableFrom(this))
return false;
// ioc/024n
isMatchBound = true;
}
return isMatchBound;
}
else if (_type.equals(type.getRawClass()))
return true;
else
return false;
}
/**
* Fills in a parameter with a given name.
*/
@Override
public BaseType fill(BaseType ... baseType)
{
// ioc/1238
return this;
}
@Override
public void fillTypeClosure(InjectManager manager, Set typeSet)
{
Type ownType = toType();
if (_classTypeIgnoreSet.contains(ownType))
return;
typeSet.add(ownType);
for (Type type : _type.getGenericInterfaces()) {
BaseType ifaceType = manager.createSourceBaseType(type);
ifaceType.fillTypeClosure(manager, typeSet);
}
Type superclass = _type.getGenericSuperclass();
if (superclass != null) {
BaseType superType = manager.createSourceBaseType(superclass);
superType.fillTypeClosure(manager, typeSet);
}
else if (_type.isInterface()) {
typeSet.add(Object.class);
}
}
@Override
public int hashCode()
{
return _type.hashCode();
}
@Override
public boolean equals(Object o)
{
if (o == this)
return true;
else if (! (o instanceof ClassType))
return false;
ClassType type = (ClassType) o;
return _type.equals(type._type);
}
@Override
public String toString()
{
return getRawClass().toString();
}
static {
_classTypeMap.put(boolean.class, new BoxType(boolean.class, Boolean.class));
_classTypeMap.put(Boolean.class, new ClassType(Boolean.class));
_classTypeMap.put(char.class, new BoxType(char.class, Character.class));
_classTypeMap.put(Character.class, new ClassType(Character.class));
_classTypeMap.put(byte.class, new BoxType(byte.class, Byte.class));
_classTypeMap.put(Byte.class, new ClassType(Byte.class));
_classTypeMap.put(short.class, new BoxType(short.class, Short.class));
_classTypeMap.put(Short.class, new ClassType(Short.class));
_classTypeMap.put(int.class, new BoxType(int.class, Integer.class));
_classTypeMap.put(Integer.class, new ClassType(Integer.class));
_classTypeMap.put(long.class, new BoxType(long.class, Long.class));
_classTypeMap.put(Long.class, new ClassType(Long.class));
_classTypeMap.put(float.class, new BoxType(float.class, Float.class));
_classTypeMap.put(Float.class, new ClassType(Float.class));
_classTypeMap.put(double.class, new BoxType(double.class, Double.class));
_classTypeMap.put(Double.class, new ClassType(Double.class));
_classTypeMap.put(String.class, new ClassType(String.class));
OBJECT_TYPE = ObjectType.OBJECT_TYPE;
_classTypeMap.put(Object.class, OBJECT_TYPE);
_classTypeIgnoreSet.add(Serializable.class);
_classTypeIgnoreSet.add(Cloneable.class);
}
}