// This Source Code is in the Public Domain per: http://unlicense.org
package org.litesoft.GWT.forms.server.support;

import org.litesoft.GWT.forms.server.*;
import org.litesoft.ui.def.nonpublic.support.*;

import java.util.*;

public class TypeHelperManager {
    private TypeHelper mRootTypeHelper = null;
    private Map<Integer, TypeHelper> mTypeHelpersByFormUniqueIDs = new HashMap<Integer, TypeHelper>();

    public synchronized void dispose() {
        if ( mTypeHelpersByFormUniqueIDs != null ) {
            for ( TypeHelper helper : mTypeHelpersByFormUniqueIDs.values() ) {
                try {
                    helper.dispose();
                }
                catch ( RuntimeException e ) {
                    FormServicePeer.LOGGER.error.log( e );
                }
            }
            mTypeHelpersByFormUniqueIDs.clear();
            mTypeHelpersByFormUniqueIDs = null;
            mRootTypeHelper = null;
        }
    }

    public synchronized TypeHelper getRootTypeHelper() {
        return mRootTypeHelper;
    }

    public synchronized void setRootTypeHelper( TypeHelper pRootTypeHelper ) {
        add( mRootTypeHelper = pRootTypeHelper );
    }

    public synchronized void add( TypeHelper pTypeHelper ) {
        mTypeHelpersByFormUniqueIDs.put( pTypeHelper.getFormUniqueID(), pTypeHelper );
    }

    public synchronized TypeHelper getTypeHelper( FormDataRowKey pFormDataRowKey ) {
        return (pFormDataRowKey == null) ? // null == root
               getRootTypeHelper() : //
               mTypeHelpersByFormUniqueIDs.get( pFormDataRowKey.getFormUniqueID() );
    }
}