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package com.sun.enterprise.naming.util;

import com.sun.enterprise.naming.spi.NamingObjectFactory;
import com.sun.enterprise.naming.spi.NamingUtils;

import org.jvnet.hk2.annotations.Service;

import javax.naming.Context;
import javax.naming.NamingException;

/**
 * Factory that will create copies of the given object.
 * This class is not cacheable
 */
@Service
public class CloningNamingObjectFactory
        implements NamingObjectFactory {

    private static NamingUtils namingUtils = new NamingUtilsImpl();

    private String name;

    private Object value;

    private NamingObjectFactory delegate;

    /**
     * Creates a factory that will create copies of the given value
     * @param name name of object. Ignored
     * @param value object that will be cloned when create is called
     */
    public CloningNamingObjectFactory(String name, Object value) {
        this.name = name;
        this.value = value;
    }

    /**
     * Creates a factory that will create copies of whatever the delegate us to hold
     * @param name name of object. Ignored
     * @param delegate Factory to hold the object which will be copied.
     */
    public CloningNamingObjectFactory(String name, NamingObjectFactory delegate) {
        this.name = name;
        this.delegate = delegate;
    }

    @Override
    public boolean isCreateResultCacheable() {
        return false;
    }

    @Override
    public Object create(Context ic)
            throws NamingException {
        return (delegate != null)
                ? namingUtils.makeCopyOfObject(delegate.create(ic)) //ternary is true
                : namingUtils.makeCopyOfObject(value); //ternary is false
    }
}