/*
* 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.HashMap;
import java.util.Iterator;
import java.util.Map;
import java.util.Set;
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.xb.annotations.JBossXmlChild;
import org.jboss.xb.annotations.JBossXmlChildren;
import org.jboss.xb.annotations.JBossXmlNoElements;
/**
* Map metadata.
*
* @author <a href="ales.justin@jboss.com">Ales Justin</a>
* @author <a href="adrian@jboss.com">Adrian Brock</a>
* @version $Revision: 68640 $
*/
@XmlType
@JBossXmlNoElements
@JBossXmlChildren
({
@JBossXmlChild(name="entry", type=MapEntry.class)
})
public class AbstractMapMetaData extends AbstractTypeMetaData
implements Map<MetaDataVisitorNode, MetaDataVisitorNode>, Serializable
{
private static final long serialVersionUID = 2L;
/** The map */
private Map<MetaDataVisitorNode, MetaDataVisitorNode> map = new HashMap<MetaDataVisitorNode, MetaDataVisitorNode>();
/** The key type */
protected String keyType;
/** The value type */
protected String valueType;
/**
* Create a new map value
*/
public AbstractMapMetaData()
{
}
/**
* Get the key type
*
* @return the key type
*/
public String getKeyType()
{
return keyType;
}
/**
* Set the key type
*
* @param keyType the key type
*/
@XmlAttribute(name="keyClass")
public void setKeyType(String keyType)
{
this.keyType = keyType;
}
/**
* Get the value type
*
* @return the value type
*/
public String getValueType()
{
return valueType;
}
/**
* Set the value type
*
* @param valueType the value type
*/
@XmlAttribute(name="valueClass")
public void setValueType(String valueType)
{
this.valueType = valueType;
}
@SuppressWarnings("unchecked")
public Object getValue(TypeInfo info, ClassLoader cl) throws Throwable
{
Map result = getTypeInstance(info, cl, getExpectedClass());
TypeInfo keyTypeInfo = getKeyClassInfo(cl);
TypeInfo valueTypeInfo = getValueClassInfo(cl);
if (map.size() > 0)
{
for (Iterator i = map.entrySet().iterator(); i.hasNext();)
{
Map.Entry entry = (Map.Entry) i.next();
ValueMetaData key = (ValueMetaData) entry.getKey();
ValueMetaData value = (ValueMetaData) entry.getValue();
Object keyValue = key.getValue(keyTypeInfo, cl);
Object valueValue = value.getValue(valueTypeInfo, cl);
result.put(keyValue, valueValue);
}
}
return result;
}
public void clear()
{
map.clear();
}
public boolean containsKey(Object key)
{
return map.containsKey(key);
}
public boolean containsValue(Object value)
{
return map.containsValue(value);
}
public Set<Entry<MetaDataVisitorNode, MetaDataVisitorNode>> entrySet()
{
return map.entrySet();
}
public MetaDataVisitorNode get(Object key)
{
return map.get(key);
}
public boolean isEmpty()
{
return map.isEmpty();
}
public Set<MetaDataVisitorNode> keySet()
{
return map.keySet();
}
public MetaDataVisitorNode put(MetaDataVisitorNode key, MetaDataVisitorNode value)
{
return map.put(key, value);
}
public void putAll(Map<? extends MetaDataVisitorNode, ? extends MetaDataVisitorNode> t)
{
map.putAll(t);
}
public MetaDataVisitorNode remove(Object key)
{
return map.remove(key);
}
public int size()
{
return map.size();
}
public Collection<MetaDataVisitorNode> values()
{
return map.values();
}
public Iterator<? extends MetaDataVisitorNode> getChildren()
{
ArrayList<MetaDataVisitorNode> children = new ArrayList<MetaDataVisitorNode>(keySet());
children.addAll(values());
return children.iterator();
}
public TypeInfo getType(MetaDataVisitor visitor, MetaDataVisitorNode previous) throws Throwable
{
if (keyType != null)
{
for(MetaDataVisitorNode key : keySet())
{
if (previous.equals(key))
{
return getClass(visitor, keyType);
}
}
}
if (valueType != null)
{
for(MetaDataVisitorNode v : values())
{
if (previous.equals(v))
{
return getClass(visitor, valueType);
}
}
}
return super.getType(visitor, previous);
}
/**
* Create the default map instance
*
* @return the class instance
*/
protected Object getDefaultInstance()
{
return new HashMap<Object, Object>();
}
protected Class<? extends Map> getExpectedClass()
{
return Map.class;
}
/**
* Get the class info for the key type
*
* @param cl the classloader
* @return the class info
* @throws Throwable for any error
*/
protected ClassInfo getKeyClassInfo(ClassLoader cl) throws Throwable
{
if (keyType == null)
return null;
return configurator.getClassInfo(keyType, cl);
}
/**
* Get the class info for the value type
*
* @param cl the classloader
* @return the class info
* @throws Throwable for any error
*/
protected ClassInfo getValueClassInfo(ClassLoader cl) throws Throwable
{
if (valueType == null)
return null;
return configurator.getClassInfo(valueType, cl);
}
}