// This Source Code is in the Public Domain per: http://litesoft.org/License.txt
package org.litesoft.GWT.client.view;

import org.litesoft.GWT.client.*;
import org.litesoft.core.typeutils.*;

public class Property<T>
{
    private final Properties mProperties;
    private final String mName;
    private final T mDefault;

    public Property( Properties pProperties, String pName )
    {
        this( pProperties, pName, null );
    }

    /**
     * @param pProperties non-null
     * @param pName       non-null
     * @param pDefault    optional
     */
    public Property( Properties pProperties, String pName, T pDefault )
    {
        Objects.assertNotNull( "pProperties", pProperties );
        UtilsGwt.assertNotNullNotEmpty( "pName", pName );
        mProperties = pProperties;
        mName = pName;
        mDefault = pDefault;
    }

    public String getName()
    {
        return mName;
    }

    @SuppressWarnings("unchecked")
    public T get()
    {
        T value = (T) mProperties.get( getName() );
        return (value != null) ? value : mDefault;
    }

    public T getDefault()
    {
        return mDefault;
    }

    public void set( T pValue )
    {
        mProperties.set( mName, pValue );
    }
}