/*
* 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.ArrayList;
import java.util.Collection;
import java.util.Iterator;
import javax.xml.bind.annotation.XmlAttribute;
import javax.xml.bind.annotation.XmlType;
import org.jboss.beans.metadata.spi.MetaDataVisitor;
import org.jboss.beans.metadata.spi.MetaDataVisitorNode;
import org.jboss.beans.metadata.spi.ValueMetaData;
import org.jboss.reflect.spi.ClassInfo;
import org.jboss.reflect.spi.TypeInfo;
import org.jboss.util.JBossObject;
import org.jboss.util.JBossStringBuilder;
import org.jboss.xb.annotations.JBossXmlChild;
import org.jboss.xb.annotations.JBossXmlChildWildcard;
import org.jboss.xb.annotations.JBossXmlChildren;
import org.jboss.xb.annotations.JBossXmlNoElements;
/**
* Collection metadata.
*
* @author <a href="ales.justin@jboss.com">Ales Justin</a>
* @author <a href="adrian@jboss.com">Adrian Brock</a>
* @version $Revision: 68731 $
*/
@XmlType
@JBossXmlNoElements
@JBossXmlChildren
({
@JBossXmlChild(name="bean", type=AbstractBeanMetaData.class),
@JBossXmlChild(name="array", type=AbstractArrayMetaData.class),
@JBossXmlChild(name="collection", type=AbstractCollectionMetaData.class),
@JBossXmlChild(name="inject", type=AbstractInjectionValueMetaData.class),
@JBossXmlChild(name="list", type=AbstractListMetaData.class),
@JBossXmlChild(name="map", type=AbstractMapMetaData.class),
@JBossXmlChild(name="null", type=AbstractValueMetaData.class),
@JBossXmlChild(name="set", type=AbstractSetMetaData.class),
@JBossXmlChild(name="this", type=ThisValueMetaData.class),
@JBossXmlChild(name="value", type=StringValueMetaData.class),
@JBossXmlChild(name="value-factory", type=AbstractValueFactoryMetaData.class)
})
@JBossXmlChildWildcard(wrapper=AbstractValueMetaData.class, property="value")
public class AbstractCollectionMetaData extends AbstractTypeMetaData
implements Collection<MetaDataVisitorNode>, Serializable
{
private static final long serialVersionUID = 2L;
/** The collection */
protected ArrayList<MetaDataVisitorNode> collection = new ArrayList<MetaDataVisitorNode>();
/** The element type */
protected String elementType;
/**
* Create a new collection value
*/
public AbstractCollectionMetaData()
{
}
/**
* Get the element type
*
* @return the element type
*/
public String getElementType()
{
return elementType;
}
/**
* Set the element type
*
* @param elementType the element type
*/
@XmlAttribute(name="elementClass")
public void setElementType(String elementType)
{
this.elementType = elementType;
}
@SuppressWarnings("unchecked")
public Object getValue(TypeInfo info, ClassLoader cl) throws Throwable
{
Collection result = getTypeInstance(info, cl, Collection.class);
TypeInfo elementTypeInfo = getElementClassInfo(cl, info);
for (int i = 0; i < collection.size(); ++i)
{
ValueMetaData vmd = (ValueMetaData) collection.get(i);
result.add(vmd.getValue(elementTypeInfo, cl));
}
return result;
}
public TypeInfo getType(MetaDataVisitor visitor, MetaDataVisitorNode previous) throws Throwable
{
if (elementType != null)
{
return getClass(visitor, elementType);
}
return super.getType(visitor, previous);
}
public boolean add(MetaDataVisitorNode o)
{
return collection.add(o);
}
public boolean addAll(Collection<? extends MetaDataVisitorNode> c)
{
return collection.addAll(c);
}
public void clear()
{
collection.clear();
}
public boolean contains(Object o)
{
return collection.contains(o);
}
public boolean containsAll(Collection c)
{
return collection.containsAll(c);
}
public boolean isEmpty()
{
return collection.isEmpty();
}
public Iterator<MetaDataVisitorNode> iterator()
{
return collection.iterator();
}
public boolean remove(Object o)
{
return collection.remove(o);
}
public boolean removeAll(Collection c)
{
return collection.removeAll(c);
}
public boolean retainAll(Collection c)
{
return collection.retainAll(c);
}
public int size()
{
return collection.size();
}
public Object[] toArray()
{
return collection.toArray();
}
public <T> T[] toArray(T[] a)
{
return collection.toArray(a);
}
public Iterator<? extends MetaDataVisitorNode> getChildren()
{
return collection.iterator();
}
public void toString(JBossStringBuilder buffer)
{
super.toString(buffer);
buffer.append(" collection=");
JBossObject.list(buffer, collection);
}
/**
* Create the default collection instance
*
* @return the class instance
*/
protected Object getDefaultInstance()
{
return new ArrayList<Object>();
}
/**
* Get the class info for the element type
*
* @param cl the classloader
* @param info the type info
* @return the class info
* @throws Throwable for any error
*/
protected TypeInfo getElementClassInfo(ClassLoader cl, TypeInfo info) throws Throwable
{
if (elementType != null)
return configurator.getClassInfo(elementType, cl);
// null is excluded
if (info instanceof ClassInfo)
{
ClassInfo classInfo = (ClassInfo)info;
return classInfo.getComponentType();
}
return null;
}
}