/* DefaultCollectorFactory.java

	Purpose:
		
	Description:
		
	History:
		2013/1/7 Created by Dennis Chen

Copyright (C) 2013 Potix Corporation. All Rights Reserved.
*/
package org.zkoss.bind.sys.debugger.impl;

import org.zkoss.bind.sys.debugger.BindingAnnotationInfoChecker;
import org.zkoss.bind.sys.debugger.BindingExecutionInfoCollector;
import org.zkoss.bind.sys.debugger.DebuggerFactory;
import org.zkoss.zk.ui.Execution;
import org.zkoss.zk.ui.Executions;

/**
 * The default implementation of {@link DebuggerFactory}
 * it is execution scope implementation and provides client-log and system-out implementation
 * @author dennis
 * @since 6.5.2
 */
public class DefaultDebuggerFactory extends DebuggerFactory {

	private static final String COLLECTOR_KEY = DefaultDebuggerFactory.class.getName() + ".collector";
	private static final String CHECKER_KEY = DefaultDebuggerFactory.class.getName() + ".checker";
	//	private static final Log _log = Log.lookup(DefaultDebuggerFactory.class);

	String _type;

	public BindingExecutionInfoCollector getExecutionInfoCollector() {

		Execution exec = Executions.getCurrent();
		if (exec == null)
			return null;

		BindingExecutionInfoCollector collector = (BindingExecutionInfoCollector) exec.getAttribute(COLLECTOR_KEY);
		if (collector == null) {
			collector = createBindingExecutionInfoCollector();
			exec.setAttribute(COLLECTOR_KEY, collector);
		}
		return collector;
	}

	protected BindingExecutionInfoCollector createBindingExecutionInfoCollector() {
		return new DefaultExecutionInfoCollector();
	}

	public BindingAnnotationInfoChecker getAnnotationInfoChecker() {
		Execution exec = Executions.getCurrent();
		if (exec == null)
			return null;

		BindingAnnotationInfoChecker checker = (BindingAnnotationInfoChecker) exec.getAttribute(CHECKER_KEY);
		if (checker == null) {
			checker = createDefaultAnnotationInfoChecker();
			exec.setAttribute(CHECKER_KEY, checker);
		}
		return checker;
	}

	protected BindingAnnotationInfoChecker createDefaultAnnotationInfoChecker() {
		return new DefaultAnnotationInfoChecker(getExecutionInfoCollector());
	}

}