com.caucho.config.type.ArrayType Maven / Gradle / Ivy
/*
* 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.type;
import java.lang.reflect.*;
import java.util.*;
import java.util.logging.*;
import com.caucho.config.*;
import com.caucho.config.attribute.*;
import com.caucho.util.*;
import com.caucho.xml.QName;
/**
* Represents an array of values for configuration.
*/
public class ArrayType extends ConfigType
{
private static final L10N L = new L10N(ArrayType.class);
private static final Logger log
= Logger.getLogger(ListType.class.getName());
private final ConfigType _componentType;
private final Class _componentClass;
private final Class _type;
public ArrayType(ConfigType componentType, Class componentClass)
{
_componentType = componentType;
_componentClass = componentClass;
Class type = null;
try {
type = Array.newInstance(componentClass, 0).getClass();
} catch (Exception e) {
}
_type = (Class) type;
}
@Override
public boolean isArray()
{
return true;
}
@Override
public ConfigType getComponentType()
{
return _componentType;
}
/**
* Returns the given type.
*/
@Override
public Class getType()
{
return _type;
}
@Override
public boolean isInlineType(ConfigType type)
{
return _componentType.getType().isAssignableFrom(type.getType());
}
/**
* Creates a new instance
*/
@Override
public Object create(Object parent, QName name)
{
// ioc/2184, ioc/2160
// return new ArrayList();
// return new ArrayList();
Object value = getComponentType().create(parent, name);
if (value != null) {
return value;
}
else
return new ArrayList();
}
/**
* Returns the config type of the child bean.
*/
/*
public ConfigType getType(Object childBean)
{
// ioc/2184, ioc/2160, ioc/04f7
return this;
}
*/
/**
* Returns the attribute based on the given name.
*/
@Override
public Attribute getAttribute(QName name)
{
// XXX: type
return TypeFactory.getFactory().getListAttribute(name);
}
/**
* Replaces the object.
*/
@Override
public Object replaceObject(Object value)
{
if (value == null)
return null;
if (value instanceof List) {
List list = (List) value;
Object []array
= (Object []) Array.newInstance(_componentClass, list.size());
list.toArray(array);
return array;
}
else {
// ioc/2184
value = _componentType.replaceObject(value);
Object []array
= (Object []) Array.newInstance(_componentClass, 1);
Array.set(array, 0, value);
return array;
}
}
/**
* Converts the string to the given value.
*/
public Object valueOf(String text)
{
Object value = _componentType.valueOf(text);
Object []valueArray
= (Object []) Array.newInstance(_componentClass, 1);
Array.set(valueArray, 0, value);
return valueArray;
}
public String toString()
{
return getClass().getSimpleName() + "[" + _componentClass.getName() + "]";
}
}