/*
* 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.config.attribute;
import java.lang.annotation.Annotation;
import java.lang.reflect.Method;
import javax.enterprise.context.spi.CreationalContext;
import com.caucho.config.ConfigException;
import com.caucho.config.program.ConfigProgram;
import com.caucho.config.type.ConfigType;
import com.caucho.config.type.TypeFactory;
import com.caucho.config.types.AnnotationConfig;
import com.caucho.config.xml.XmlBeanConfig;
import com.caucho.util.L10N;
import com.caucho.xml.QName;
public class AddAttribute<T> extends Attribute {
private static final L10N L = new L10N(AddAttribute.class);
public static final AddAttribute<XmlBeanConfig> ATTR
= new AddAttribute<XmlBeanConfig>(XmlBeanConfig.class);
private final ConfigType<T> _configType;
private final Method _setMethod;
private AddAttribute(Class<T> cl)
{
this(null, (ConfigType<T>) TypeFactory.getType(cl));
}
public AddAttribute(Method setMethod, ConfigType<T> configType)
{
_configType = configType;
_setMethod = setMethod;
}
@Override
public ConfigType<T> getConfigType()
{
return _configType;
}
public Method getMethod()
{
return _setMethod;
}
/**
* Creates the child bean.
*/
@Override
public Object create(Object parent, QName qName)
throws ConfigException
{
Class<?> cl = TypeFactory.loadClass(qName);
if (cl == null) {
ConfigType<?> type = TypeFactory.getFactory().getEnvironmentType(qName);
if (type != null)
return type.create(parent, qName);
throw new ConfigException(L.l("'{0}.{1}' is an unknown class for element '{2}'",
qName.getNamespaceURI(), qName.getLocalName(), qName));
}
if (Annotation.class.isAssignableFrom(cl)) {
return new AnnotationConfig(cl);
}
else {
XmlBeanConfig<?> config = new XmlBeanConfig(qName, cl, parent);
config.setInlineBean(true);
// config.setScope("singleton");
return config;
}
}
/**
* Sets the value of the attribute as text
*/
@Override
public void setText(Object bean, QName name, String value)
throws ConfigException
{
Object objValue = create(bean, name);
if (objValue instanceof XmlBeanConfig<?>) {
XmlBeanConfig<?> config = (XmlBeanConfig<?>) objValue;
if (! value.trim().equals("")) {
config.addArg(new TextArgProgram(value));
}
config.init();
}
setValue(bean, name, objValue);
}
/**
* Sets the value of the attribute
*/
public void setValue(Object bean, QName name, Object value)
throws ConfigException
{
try {
if (value instanceof XmlBeanConfig<?>) {
XmlBeanConfig<?> config = (XmlBeanConfig<?>) value;
value = config.toObject();
}
else if (value instanceof AnnotationConfig) {
AnnotationConfig config = (AnnotationConfig) value;
value = config.replace();
}
if (_setMethod != null && value != null) {
if (! _setMethod.getParameterTypes()[0].isAssignableFrom(value.getClass()))
throw new ConfigException(L.l("'{0}.{1}' is not assignable from {2}",
_setMethod.getDeclaringClass().getSimpleName(),
_setMethod.getName(),
value));
_setMethod.invoke(bean, value);
}
} catch (Exception e) {
throw ConfigException.create(e);
}
}
static class TextArgProgram extends ConfigProgram {
private String _arg;
TextArgProgram(String arg)
{
_arg = arg;
}
@Override
public <T> void inject(T bean, CreationalContext<T> env)
{
throw new UnsupportedOperationException(getClass().getName());
}
public Object configure(ConfigType<?> type, CreationalContext<?> env)
throws ConfigException
{
return type.valueOf(_arg);
}
}
}