/*
* JBoss, Home of Professional Open Source
* Copyright 2007, 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.spi.factory;
import java.io.Serializable;
import java.util.Collections;
import java.util.HashMap;
import java.util.Iterator;
import java.util.Set;
import java.util.Stack;
import org.jboss.beans.info.spi.BeanInfo;
import org.jboss.beans.info.spi.PropertyInfo;
import org.jboss.beans.metadata.plugins.TypeProvider;
import org.jboss.beans.metadata.spi.BeanMetaData;
import org.jboss.beans.metadata.spi.MetaDataVisitor;
import org.jboss.beans.metadata.spi.MetaDataVisitorNode;
import org.jboss.beans.metadata.spi.RelatedClassMetaData;
import org.jboss.beans.metadata.spi.ValueMetaData;
import org.jboss.kernel.spi.config.KernelConfigurator;
import org.jboss.kernel.spi.dependency.KernelControllerContext;
import org.jboss.reflect.spi.TypeInfo;
import org.jboss.util.JBossObject;
import org.jboss.util.JBossStringBuilder;
/**
* PropertyMap.
*
* @author <a href="adrian@jboss.com">Adrian Brock</a>
* @author <a href="ales.justin@jboss.com">Ales Justin</a>
*/
class PropertyMap extends HashMap<String, ValueMetaData> implements MetaDataVisitorNode, TypeProvider
{
/** The serialVersionUID */
private static final long serialVersionUID = -4295725682462294630L;
public void initialVisit(MetaDataVisitor visitor)
{
visitor.initialVisit(this);
}
public void describeVisit(MetaDataVisitor vistor)
{
vistor.describeVisit(this);
}
public Iterator<? extends MetaDataVisitorNode> getChildren()
{
return values().iterator();
}
public ValueMetaData put(String name, ValueMetaData value)
{
ValueInfo info = new ValueInfo(name, value);
return super.put(name, info);
}
public TypeInfo getType(MetaDataVisitor visitor, MetaDataVisitorNode previous) throws Throwable
{
ValueInfo valueInfo = null;
for (ValueMetaData value : values())
{
ValueInfo vi = ValueInfo.class.cast(value);
if (vi == previous)
{
valueInfo = vi;
break;
}
}
if (valueInfo == null)
throw new IllegalArgumentException("No matching value (" + previous + ") found: " + values());
KernelControllerContext context = visitor.getControllerContext();
BeanMetaData bmd = context.getBeanMetaData();
Set<RelatedClassMetaData> related = bmd.getRelated();
if (related == null || related.size() != 1)
throw new IllegalArgumentException("Invalid information for contextual injection: " + bmd);
// TODO - perhaps match which related metadata is the right one
RelatedClassMetaData beanClassMetaData = related.iterator().next();
KernelConfigurator configurator = context.getKernel().getConfigurator();
BeanInfo beanInfo = configurator.getBeanInfo(beanClassMetaData.getClassName(), context.getClassLoader());
PropertyInfo pi = beanInfo.getProperty(valueInfo.name);
TypeInfo typeInfo = pi.getType();
if (typeInfo.isCollection() || typeInfo.isMap())
{
throw new IllegalArgumentException("Cannot handle collection or map: " + valueInfo);
}
return typeInfo;
}
private static class ValueInfo extends JBossObject implements ValueMetaData, Serializable, TypeProvider
{
private static final long serialVersionUID = 1L;
private String name;
private ValueMetaData value;
private ValueInfo(String name, ValueMetaData value)
{
this.name = name;
this.value = value;
}
public TypeInfo getType(MetaDataVisitor visitor, MetaDataVisitorNode previous) throws Throwable
{
Stack<MetaDataVisitorNode> visitorNodeStack = visitor.visitorNodeStack();
// see AbstractInjectionValueMetaData.describeVisit
MetaDataVisitorNode node = visitorNodeStack.pop();
try
{
if (node instanceof TypeProvider)
{
TypeProvider typeProvider = (TypeProvider) node;
return typeProvider.getType(visitor, this);
}
else
{
throw new IllegalArgumentException(TypeProvider.ERROR_MSG);
}
}
finally
{
visitorNodeStack.push(node);
}
}
public Object getUnderlyingValue()
{
return value.getUnderlyingValue();
}
public Object getValue(TypeInfo info, ClassLoader cl) throws Throwable
{
return value.getValue(info, cl);
}
public void initialVisit(MetaDataVisitor vistor)
{
vistor.initialVisit(this);
}
public void describeVisit(MetaDataVisitor vistor)
{
vistor.describeVisit(this);
}
public Iterator<? extends MetaDataVisitorNode> getChildren()
{
return Collections.singleton(value).iterator();
}
public void toShortString(JBossStringBuilder buffer)
{
value.toShortString(buffer);
}
@Override
public int hashCode()
{
return value.hashCode();
}
@Override
public boolean equals(Object obj)
{
return value.equals(obj);
}
public String toShortString()
{
return value.toShortString();
}
}
}