package org.litesoft.testplan;

import java.util.*;

import org.litesoft.xml.*;
import org.litesoft.GWT.client.dev.ui.inspection.*;
import org.litesoft.GWT.client.dev.ui.actions.*;
import org.litesoft.GWT.client.dev.ui.testplan.*;

public class TestPlanParserActionFactoryAction implements TestPlanActionFactory
{
    private static final String TAG_NAME = "Action";

    private static final SelectionParserJQuery sSelectorParser = new SelectionParserJQuery();
    private static final Map<String, ActionParserBase> sActionParsers = new HashMap<String, ActionParserBase>();
    {
        addAction(new ActionParserClick());
        addAction(new ActionParserKeystrokes());
        addAction(new ActionParserSetAttribute());
    }
    
    private static void addAction(ActionParserBase pAction)
    {
        sActionParsers.put(pAction.getTagName(), pAction);
    }
    
    public TestPlanAction parse( PullParserProxy pParser )
    {
        pParser.validateIsStartTag( TAG_NAME );
        
        SelectionSpec selector;
        pParser.getNextStartTag();
        selector = sSelectorParser.parse(pParser);
        
        ActionSpec action;
        ActionParserBase actionParser = sActionParsers.get(pParser.getNextStartTag());
        assert0(ActionParserBase.class.getSimpleName() + " parser not found for ", actionParser != null);
        action = actionParser.parse(pParser);
        
        pParser.validateNextIsEndTag( TAG_NAME );
        return new GeneralizedTestPlanAction( selector, action );
    }
    
    private static void assert0(String pMessage, boolean pExpression)
    {
        if (! pExpression)
        {
            throw new XML_RuntimeException(pMessage);
        }
    }
}