/*
* Copyright (c) 1998-2011 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.quercus.env;
import com.caucho.quercus.program.JavaClassDef;
import com.caucho.vfs.WriteStream;
import java.io.IOException;
import java.io.Serializable;
import java.util.IdentityHashMap;
/**
* Represents a PHP object which extends a Java value.
*/
public class ObjectExtJavaValue extends ObjectExtValue
implements Serializable
{
private Object _object;
private final JavaClassDef _javaClassDef;
public ObjectExtJavaValue(QuercusClass cl, Object object,
JavaClassDef javaClassDef)
{
super(cl);
_object = object;
_javaClassDef = javaClassDef;
}
public ObjectExtJavaValue(QuercusClass cl,
JavaClassDef javaClassDef)
{
super(cl);
_javaClassDef = javaClassDef;
}
//
// field
//
/**
* Returns fields not explicitly specified by this value.
*/
@Override
protected Value getFieldExt(Env env, StringValue name)
{
if (_object == null) {
_object = createJavaObject(env);
}
Value parentValue = super.getFieldExt(env, name);
if(parentValue != NullValue.NULL && parentValue != UnsetValue.UNSET)
return parentValue;
Value value = _javaClassDef.getField(env, this, name);
Value quercusValue = _quercusClass.getField(env,this, name);
if(quercusValue != null && quercusValue != UnsetValue.UNSET && quercusValue != NullValue.NULL)
{
return quercusValue;
}
if (value != null)
return value;
else
return super.getFieldExt(env, name);
}
/**
* Sets fields not specified by the value.
*/
protected Value putFieldExt(Env env, StringValue name, Value value)
{
if (_object == null) {
createJavaObject(env);
}
return _javaClassDef.putField(env, this, name, value);
}
/**
* Returns the java object.
*/
@Override
public Object toJavaObject()
{
if (_object == null) {
_object = createJavaObject(Env.getInstance());
}
return _object;
}
/**
* Binds a Java object to this object.
*/
@Override
public void setJavaObject(Value value)
{
if (_object == null)
_object = value.toJavaObject();
}
/**
* Creats a backing Java object for this php object.
*/
private Object createJavaObject(Env env)
{
Value javaWrapper = _javaClassDef.callNew(env, Value.NULL_ARGS);
return javaWrapper.toJavaObject();
}
public void varDumpImpl(Env env,
WriteStream out,
int depth,
IdentityHashMap<Value, String> valueSet)
throws IOException
{
if (_object == null) {
_object = createJavaObject(Env.getInstance());
}
if (! _javaClassDef.varDumpImpl(env, this, _object, out, depth, valueSet))
super.varDumpImpl(env, out, depth, valueSet);
}
@Override
protected void printRImpl(Env env,
WriteStream out,
int depth,
IdentityHashMap<Value, String> valueSet)
throws IOException
{
if (_object == null) {
_object = createJavaObject(Env.getInstance());
}
_javaClassDef.printRImpl(env, _object, out, depth, valueSet);
}
}