MetadataImpl.java

/*
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package org.glassfish.admin.amx.impl.j2ee;

import java.util.Collections;
import java.util.Map;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.ConcurrentMap;
import javax.management.ObjectName;

public final class MetadataImpl implements Metadata {
    private final ConcurrentMap<String,Object>  mData;
    
    public MetadataImpl(final Map<String,Object> data )
    {
        mData = new ConcurrentHashMap<String,Object>(data);
    }

    public MetadataImpl( final Metadata meta)
    {
        this( meta.getAll() );
    }

    public MetadataImpl()
    {
        mData = new ConcurrentHashMap<String,Object>();
    }

    public Map<String,Object> getAll()
    {
        return Collections.unmodifiableMap(mData);
    }

    public void add( final String key, final Object value)
    {
        mData.put( key, value);
    }
    
    public void remove( final String key)
    {
        mData.remove( key );
    }
    

    public void setCorrespondingConfig( final ObjectName config)
    {
        add( CORRESPONDING_CONFIG, config);
    }
    
    public ObjectName getCorrespondingConfig()
    {
        return getMetadata( CORRESPONDING_CONFIG, ObjectName.class);
    }

    public ObjectName getCorrespondingRef()
    {
        return getMetadata( CORRESPONDING_REF, ObjectName.class);
    }

    public void setCorrespondingRef( final ObjectName config)
    {
        add( CORRESPONDING_REF, config);
    }
    
    public String getDeploymentDescriptor()
    {
        return getMetadata( DEPLOYMENT_DESCRIPTOR, String.class);
    }
    public void setDeploymentDescriptor(final String desc)
    {
        if ( desc == null )
        {
            throw new IllegalArgumentException( "setDeploymentDescriptor: null descriptor" );
        }
        add( DEPLOYMENT_DESCRIPTOR, desc);
    }
    
    public <T> T getMetadata(final String name, final Class<T> clazz)
    {
        final Object value = mData.get(name);
        
        return clazz.cast(value);
    }
}