/*
* JBoss, Home of Professional Open Source
* Copyright 2005, JBoss Inc., and individual contributors as indicated
* by the @authors tag. See the copyright.txt 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.beans.metadata.plugins;
import java.io.Serializable;
import java.util.List;
import java.util.Set;
import java.util.ArrayList;
import javax.xml.bind.annotation.XmlType;
import javax.xml.bind.annotation.XmlElement;
import javax.xml.bind.annotation.XmlElements;
import javax.xml.bind.annotation.XmlAnyElement;
import javax.xml.bind.annotation.XmlAttribute;
import org.jboss.beans.info.spi.BeanInfo;
import org.jboss.beans.metadata.plugins.builder.MutableParameterizedMetaData;
import org.jboss.beans.metadata.spi.ConstructorMetaData;
import org.jboss.beans.metadata.spi.MetaDataVisitor;
import org.jboss.beans.metadata.spi.MetaDataVisitorNode;
import org.jboss.beans.metadata.spi.ParameterMetaData;
import org.jboss.beans.metadata.spi.ValueMetaData;
import org.jboss.kernel.plugins.config.Configurator;
import org.jboss.kernel.spi.config.KernelConfigurator;
import org.jboss.kernel.spi.dependency.KernelControllerContext;
import org.jboss.reflect.spi.ClassInfo;
import org.jboss.reflect.spi.ConstructorInfo;
import org.jboss.reflect.spi.MethodInfo;
import org.jboss.reflect.spi.TypeInfo;
import org.jboss.util.JBossObject;
import org.jboss.util.JBossStringBuilder;
import org.jboss.managed.api.annotation.ManagementProperty;
/**
* Metadata for construction.
*
* @author <a href="ales.justin@jboss.com">Ales Justin</a>
* @author <a href="adrian@jboss.com">Adrian Brock</a>
* @version $Revision: 84514 $
*/
@XmlType(name="constructorType", propOrder={"annotations", "factory", "parameters", "value"})
public class AbstractConstructorMetaData extends AbstractFeatureMetaData
implements ConstructorMetaData, MutableParameterizedMetaData, ValueMetaDataAware, Serializable
{
private static final long serialVersionUID = 2L;
/**
* The paramaters List<ParameterMetaData>
*/
protected List<ParameterMetaData> parameters;
/**
* The value
*/
protected ValueMetaData value;
/**
* The factory
*/
protected ValueMetaData factory;
/**
* The factory class name
*/
protected String factoryClassName;
/**
* The factory method
*/
protected String factoryMethod;
/**
* Create a new constructor meta data
*/
public AbstractConstructorMetaData()
{
}
/**
* Set the parameters
*
* @param parameters List<ParameterMetaData>
*/
@XmlElement(name="parameter", type=AbstractParameterMetaData.class)
public void setParameters(List<ParameterMetaData> parameters)
{
this.parameters = parameters;
flushJBossObjectCache();
}
/**
* Set the value
*
* @param value the value
*/
@XmlElements
({
@XmlElement(name="bean", type=AbstractBeanMetaData.class),
@XmlElement(name="lazy", type=AbstractLazyMetaData.class),
@XmlElement(name="array", type=AbstractArrayMetaData.class),
@XmlElement(name="collection", type=AbstractCollectionMetaData.class),
@XmlElement(name="list", type=AbstractListMetaData.class),
@XmlElement(name="map", type=AbstractMapMetaData.class),
@XmlElement(name="set", type=AbstractSetMetaData.class),
@XmlElement(name="value", type=StringValueMetaData.class),
@XmlElement(name="inject", type=AbstractInjectionValueMetaData.class),
@XmlElement(name="search", type= AbstractSearchValueMetaData.class),
@XmlElement(name="value-factory", type=AbstractValueFactoryMetaData.class)
})
public void setValue(ValueMetaData value)
{
this.value = value;
flushJBossObjectCache();
}
@XmlAnyElement
@ManagementProperty(ignored = true)
public void setValueObject(Object value)
{
if (value == null)
setValue(null);
else if (value instanceof ValueMetaData)
setValue((ValueMetaData) value);
else
setValue(new AbstractValueMetaData(value));
}
/**
* Set the factory
*
* @param factory the factory
*/
@XmlElement(name="factory", type=AbstractDependencyValueMetaData.class)
public void setFactory(ValueMetaData factory)
{
// HACK to have wildcard factories
if (factory != null && factory instanceof AbstractDependencyValueMetaData)
{
Object underlying = factory.getUnderlyingValue();
if (underlying != null && underlying instanceof ValueMetaData)
factory = (ValueMetaData) underlying;
}
this.factory = factory;
flushJBossObjectCache();
}
/**
* Set the factory class name
*
* @param name the factory class name
*/
@XmlAttribute(name="factoryClass")
public void setFactoryClass(String name)
{
this.factoryClassName = name;
flushJBossObjectCache();
}
/**
* Set the factory method
*
* @param name the factory method
*/
@XmlAttribute(name="factoryMethod")
public void setFactoryMethod(String name)
{
this.factoryMethod = name;
flushJBossObjectCache();
}
public List<ParameterMetaData> getParameters()
{
return parameters;
}
public ValueMetaData getValue()
{
return value;
}
public ValueMetaData getFactory()
{
return factory;
}
public String getFactoryClass()
{
return factoryClassName;
}
public String getFactoryMethod()
{
return factoryMethod;
}
@Override
public void initialVisit(MetaDataVisitor visitor)
{
ValueMetaData factory = getFactory();
if (factory != null || getFactoryClass() != null)
{
if (getFactoryMethod() == null)
throw new IllegalArgumentException("Constructor needs a factoryMethod attribute when there is a factoryClass attribute or factory element.");
}
if (factory != null)
{
if (factory.getUnderlyingValue() == null)
throw new IllegalArgumentException("Factory should have a bean attribute or nested element.");
}
if (parameters != null)
{
for (int i = 0; i < parameters.size(); ++i)
parameters.get(i).setIndex(i);
}
super.initialVisit(visitor);
}
protected void addChildren(Set<MetaDataVisitorNode> children)
{
super.addChildren(children);
if (parameters != null)
children.addAll(parameters);
if (value != null)
children.add(value);
if (factory != null)
children.add(factory);
}
public TypeInfo getType(MetaDataVisitor visitor, MetaDataVisitorNode previous) throws Throwable
{
if (factory != null || factoryClassName != null)
{
KernelControllerContext context = visitor.getControllerContext();
ClassLoader cl = Configurator.getClassLoader(context.getBeanMetaData());
KernelConfigurator configurator = context.getKernel().getConfigurator();
ClassInfo classInfo;
if (factory != null)
{
Object target = factory.getValue(null, cl);
classInfo = configurator.getClassInfo(target.getClass());
}
else
{
classInfo = configurator.getClassInfo(factoryClassName, cl);
}
// should be parameter
if (previous instanceof ParameterMetaData == false)
throw new IllegalArgumentException("Previous node is not ParameterMetaData as expected: " + previous);
ParameterMetaData parameter = (ParameterMetaData) previous;
String[] parameterTypes = Configurator.getParameterTypes(false, parameters);
MethodInfo methodInfo = Configurator.findMethodInfo(classInfo, factoryMethod, parameterTypes, factoryClassName != null, true);
return applyCollectionOrMapCheck(methodInfo.getParameterTypes()[parameter.getIndex()]);
}
else
{
KernelControllerContext context = visitor.getControllerContext();
BeanInfo beanInfo = context.getBeanInfo();
// find matching parameter
if (previous instanceof ParameterMetaData)
{
ParameterMetaData parameter = (ParameterMetaData) previous;
String[] paramTypes = Configurator.getParameterTypes(false, parameters);
ConstructorInfo ci = Configurator.findConstructorInfo(beanInfo.getClassInfo(), paramTypes);
return applyCollectionOrMapCheck(ci.getParameterTypes()[parameter.getIndex()]);
}
else
{
// currently value constructor supports only values that are instances of class itself
// this will add another instance with the same class to context
ClassInfo type = beanInfo.getClassInfo();
log.debug("Constructing bean from injection value: results in multiple beans with same class type - " + type);
return type;
}
}
}
public void toString(JBossStringBuilder buffer)
{
buffer.append("parameters=");
JBossObject.list(buffer, parameters);
if (value != null)
buffer.append(" value=").append(value);
if (factory != null)
buffer.append(" factory=").append(factory);
if (factoryClassName != null)
buffer.append(" factoryClass=").append(factoryClassName);
if (factoryMethod != null)
buffer.append(" factoryMethod=").append(factoryMethod);
super.toString(buffer);
}
public AbstractConstructorMetaData clone()
{
AbstractConstructorMetaData clone = (AbstractConstructorMetaData)super.clone();
doClone(clone);
return clone;
}
@SuppressWarnings("unchecked")
protected void doClone(AbstractConstructorMetaData clone)
{
super.doClone(clone);
clone.setFactory(CloneUtil.cloneObject(factory, ValueMetaData.class));
clone.setValue(CloneUtil.cloneObject(value, ValueMetaData.class));
clone.setParameters(CloneUtil.cloneCollection(parameters, ArrayList.class, ParameterMetaData.class));
}
}