/*
* 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.type;
import java.lang.annotation.Annotation;
import java.lang.reflect.Method;
import java.util.HashMap;
import java.util.Map;
import javax.inject.Qualifier;
import com.caucho.config.ConfigException;
import com.caucho.config.annotation.NonEL;
import com.caucho.config.attribute.AnnotationAttribute;
import com.caucho.config.attribute.Attribute;
import com.caucho.config.types.AnnotationConfig;
import com.caucho.util.L10N;
import com.caucho.xml.QName;
/**
* Represents an introspected bean type for configuration.
*/
public class AnnotationInterfaceType<T> extends ConfigType<T>
{
private static final L10N L = new L10N(AnnotationInterfaceType.class);
private static final QName TEXT = new QName("#text");
private final Class<T> _annClass;
private HashMap<String,Attribute> _attributeMap
= new HashMap<String,Attribute>();
public AnnotationInterfaceType(Class<T> annClass)
{
_annClass = annClass;
for (Method method : annClass.getMethods()) {
if (method.getParameterTypes().length != 0)
continue;
else if (method.getName().equals("annotationType"))
continue;
boolean isEL = ! isAnnotationPresent(method.getAnnotations(),
NonEL.class);
_attributeMap.put(method.getName(),
new AnnotationAttribute(method.getName(),
method.getReturnType(),
isEL));
}
// createProxy(annClass);
}
private boolean isAnnotationPresent(Annotation []annList, Class<?> annType)
{
for (int i = 0; i < annList.length; i++) {
if (annList[i].annotationType().equals(annType))
return true;
}
return false;
}
/**
* Returns the given type.
*/
@Override
public Class<T> getType()
{
return _annClass;
}
@Override
public boolean isQualifier()
{
return _annClass.isAnnotationPresent(Qualifier.class);
}
/**
* Creates a new instance of the type.
*/
@Override
public Object create(Object parent, QName name)
{
return new AnnotationConfig(this, _annClass);
}
/**
* Returns the annotation
*/
@Override
public Object replaceObject(Object bean)
{
return ((AnnotationConfig) bean).replace();
}
/**
* Converts the string to a value of the type.
*/
public Object valueOf(String text)
{
AnnotationConfig ann = new AnnotationConfig(this, _annClass);
if (! "".equals(text)) {
// ioc/04e2
Attribute attr = getAttribute(TEXT);
if (attr == null)
throw new ConfigException(L.l("'{0}' does not support value",
this));
attr.setText(ann, TEXT, text);
}
// ioc/2183
return ann.replace();
}
/**
* Returns the attribute with the given name.
*/
public Attribute getAttribute(QName qName)
{
String name = qName.getLocalName();
if ("#text".equals(name))
name = "value";
Attribute attr = _attributeMap.get(name);
return attr;
}
public String toString(HashMap<String,Object> valueMap)
{
StringBuilder sb = new StringBuilder();
sb.append("@");
sb.append(_annClass.getName());
sb.append("(");
boolean isFirst = true;
for (Map.Entry<String,Object> entry : valueMap.entrySet()) {
if (! isFirst)
sb.append(",");
isFirst = false;
sb.append(entry.getKey());
sb.append('=');
Object value = entry.getValue();
if (value == null)
sb.append(value);
else if (value.getClass().isArray()) {
Object []values = (Object []) value;
sb.append("[");
for (int i = 0; i < values.length; i++) {
if (i != 0)
sb.append(", ");
sb.append(values[i]);
}
sb.append("]");
}
else
sb.append(value);
}
sb.append(")");
return sb.toString();
}
@Override
public String toString()
{
return getClass().getSimpleName() + "[" + _annClass.getName() + "]";
}
}