/*
 * @(#)IORTemplateImpl.java	1.14 03/12/19
 *
 * Copyright 2004 Sun Microsystems, Inc. All rights reserved.
 * SUN PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
 */

package com.sun.corba.se.impl.ior;

import java.util.Iterator ;

import org.omg.CORBA.INTERNAL ;

import org.omg.CORBA_2_3.portable.OutputStream ;
import org.omg.CORBA_2_3.portable.InputStream ;

import org.omg.IOP.TAG_INTERNET_IOP ;

import com.sun.corba.se.spi.ior.IdentifiableContainerBase ;
import com.sun.corba.se.spi.ior.IdentifiableFactoryFinder ;
import com.sun.corba.se.spi.ior.IORTemplate ;
import com.sun.corba.se.spi.ior.ObjectKeyTemplate ;
import com.sun.corba.se.spi.ior.TaggedProfileTemplate ;
import com.sun.corba.se.spi.ior.ObjectId ;
import com.sun.corba.se.spi.ior.IOR ;
import com.sun.corba.se.spi.ior.IORFactory ;

import com.sun.corba.se.spi.orb.ORB ;

/**
 * This class is a container of TaggedProfileTemplates.
 * @author 
 */
public class IORTemplateImpl extends IdentifiableContainerBase implements IORTemplate
{
    private ObjectKeyTemplate oktemp ;

    public boolean equals( Object obj )
    {
	if (obj == null)
	    return false ;

	if (!(obj instanceof IORTemplateImpl))
	    return false ;

	IORTemplateImpl other = (IORTemplateImpl)obj ;

	return super.equals( obj ) && oktemp.equals( other.getObjectKeyTemplate() ) ;
    }

    public int hashCode()
    {
	return super.hashCode() ^ oktemp.hashCode() ;
    }

    public ObjectKeyTemplate getObjectKeyTemplate()
    {
	return oktemp ;
    }

    public IORTemplateImpl( ObjectKeyTemplate oktemp )
    {
	this.oktemp = oktemp ;
    }

    public IOR makeIOR( ORB orb, String typeid, ObjectId oid ) 
    {
	return new IORImpl( orb, typeid, this, oid ) ;
    }

    public boolean isEquivalent( IORFactory other ) 
    {
	if (!(other instanceof IORTemplate))
	    return false ;

	IORTemplate list = (IORTemplate)other ;

	Iterator thisIterator = iterator() ;
	Iterator listIterator = list.iterator() ;
	while (thisIterator.hasNext() && listIterator.hasNext()) {
	    TaggedProfileTemplate thisTemplate = 
		(TaggedProfileTemplate)thisIterator.next() ;
	    TaggedProfileTemplate listTemplate = 
		(TaggedProfileTemplate)listIterator.next() ;
	    if (!thisTemplate.isEquivalent( listTemplate ))
		return false ;
	}

	return (thisIterator.hasNext() == listIterator.hasNext()) &&
	    getObjectKeyTemplate().equals( list.getObjectKeyTemplate() ) ;
    }

    /** Ensure that this IORTemplate and all of its profiles can not be
    * modified.  This overrides the method inherited from 
    * FreezableList through IdentifiableContainerBase.
    */
    public void makeImmutable()
    {
	makeElementsImmutable() ;
	super.makeImmutable() ;
    }

    public void write( OutputStream os ) 
    {
	oktemp.write( os ) ;
	EncapsulationUtility.writeIdentifiableSequence( this, os ) ;
    }

    public IORTemplateImpl( InputStream is ) 
    {
	ORB orb = (ORB)(is.orb()) ;
    	IdentifiableFactoryFinder finder = 
	    orb.getTaggedProfileTemplateFactoryFinder() ;

	oktemp = orb.getObjectKeyFactory().createTemplate( is ) ;
	EncapsulationUtility.readIdentifiableSequence( this, finder, is ) ;

	makeImmutable() ;
    }
}