/*
* JBoss, Home of Professional Open Source.
* Copyright 2011, Red Hat, Inc., and individual contributors
* as indicated by the @author tags. See the copyright.txt file in the
* distribution for a full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software 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. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.jboss.as.pojo.descriptor;
import org.jboss.as.pojo.BeanState;
import org.jboss.as.pojo.PojoMessages;
import org.jboss.as.pojo.service.BeanInfo;
import org.jboss.msc.service.ServiceName;
import org.jboss.msc.value.InjectedValue;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import java.util.Set;
/**
* Injected value.
*
* @author <a href="mailto:ales.justin@jboss.org">Ales Justin</a>
*/
public class InjectedValueConfig extends ValueConfig {
private static final long serialVersionUID = 1L;
private String bean;
private BeanState state;
private String service;
private String property;
private final transient InjectedValue<BeanInfo> beanInfo = new InjectedValue<BeanInfo>();
private final transient InjectedValue<Object> value = new InjectedValue<Object>();
protected Object getClassValue(Class<?> type) {
Object result = value.getValue();
if (result instanceof Set) {
Set set = (Set) result;
if (set.size() != 1)
throw PojoMessages.MESSAGES.invalidMatchSize(set, type);
result = set.iterator().next();
}
if (property != null) {
Method getter = getBeanInfo(result).getGetter(property, type);
try {
return getter.invoke(result);
} catch (IllegalAccessException e) {
throw new IllegalArgumentException(e);
} catch (InvocationTargetException e) {
throw new IllegalArgumentException(e);
}
} else {
return result;
}
}
@SuppressWarnings({"unchecked"})
protected BeanInfo getBeanInfo(Object bean) {
BeanInfo bi = beanInfo.getOptionalValue();
if (bi == null) {
bi = getTempBeanInfo(bean.getClass());
}
return bi;
}
@Override
public void visit(ConfigVisitor visitor) {
if (bean != null) {
visitor.addDependency(bean, BeanState.DESCRIBED, beanInfo);
ServiceName name = BeanMetaDataConfig.toBeanName(bean, state);
visitor.addDependency(name, value); // direct name, since we have describe already
} else if (service != null) {
visitor.addDependency(ServiceName.parse(service), value);
} else {
Class<?> type = getType(visitor, getType());
if (type == null)
type = getType(visitor, this);
if (type == null)
throw PojoMessages.MESSAGES.cannotDetermineInjectedType(toString());
ServiceName instancesName = BeanMetaDataConfig.toInstancesName(type, state);
visitor.addDependency(instancesName, value);
}
}
public void setBean(String dependency) {
this.bean = dependency;
}
public void setState(BeanState state) {
this.state = state;
}
public void setService(String service) {
this.service = service;
}
public void setProperty(String property) {
this.property = property;
}
}