/*******************************************************************************
 * Copyright (c) 2004 IBM Corporation and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 * 
 * Contributors:
 *     IBM Corporation - initial API and implementation
 *******************************************************************************/
package org.eclipse.wst.common.internal.environment.eclipse;

import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Platform;
import org.eclipse.wst.common.environment.ILog;

public class EclipseLog implements org.eclipse.wst.common.environment.ILog 
{
//	private Logger logger;
	public EclipseLog() {
		/*
		logger = Logger.getLogger("org.eclipse.wst.command.env");
		// logger.setLogFileName("env.log");
		logger.setLevel(Level.INFO); // log all levels for now
		*/
	}
	
	/**
	 * @see org.eclipse.wst.common.environment.ILog#isEnabled()
	 */
	public boolean isEnabled() 
  {
		return Platform.inDebugMode();
	}
	
	/**
	 * @see org.eclipse.wst.common.Environment.ILog#isEnabled(java.lang.String)
	 */
	public boolean isEnabled(String option) {
		return "true".equals(Platform.getDebugOption("org.eclipse.wst.common.environment/trace/"
				+ option));
	}
	
	/**
	 * @see org.eclipse.wst.common.environment.ILog#log(int, int, java.lang.Object, java.lang.String, java.lang.Object)
	 */
	public void log(int severity, int messageNum, Object caller,
			String method, Object object) {
		
		if (isEnabled()) {
			switch (severity) {
				case ILog.ERROR :
					if (isEnabled("error"))
						System.out.println(getMessageNumString(messageNum) + "E "
							+ caller + "::" + method + ": object="
							+ object);
					break;
				case ILog.WARNING :
					if (isEnabled("warning"))
						System.out.println(getMessageNumString(messageNum)
								+ "W " + caller + "::" + method
								+ ": object=" + object);
					break;
				case ILog.INFO :
					if (isEnabled("info"))
						System.out.println(getMessageNumString(messageNum) + "I "
								+ caller + "::" + method + ": object="
								+ object);
					break;
			}
		}
		
	}
	
	/**
	 * @see org.eclipse.wst.common.environment.ILog#log(int, int, java.lang.Object, java.lang.String, org.eclipse.core.runtime.IStatus)
	 */
	public void log(int severity, int messageNum, Object caller,
			String method, IStatus status) {
		log(severity, messageNum, caller, method, (Object)status);
	}
	
	/**
	 * @see org.eclipse.wst.common.environment.ILog#log(int, int, java.lang.Object, java.lang.String, java.lang.Throwable)
	 */
	public void log(int severity, int messageNum, Object caller,
			String method, Throwable throwable) {
		log( severity, messageNum, caller, method, (Object)null );
    
		if( throwable != null ) throwable.printStackTrace(); 
	}
	
	/**
	 * @see org.eclipse.wst.common.environment.ILog#log(int, java.lang.String, int, java.lang.Object, java.lang.String, java.lang.Object)
	 */
	public void log(int severity, String option, int messageNum,
			Object caller, String method, Object object) {
		if (isEnabled(option))
			System.out.println(getMessageNumString(messageNum) + "I " + caller
					+ "::" + method + ": object=" + object);
	}
	
	/**
	 * @see org.eclipse.wst.common.environment.ILog#log(int, java.lang.String, int, java.lang.Object, java.lang.String, java.lang.Throwable)
	 */
	public void log(int severity, String option, int messageNum,
			Object caller, String method, Throwable throwable) {
		if (isEnabled(option)) {
			System.out.println(getMessageNumString(messageNum) + "I " + caller
					+ "::" + method);
			throwable.printStackTrace();
		}
	}
	
	/**
	 * @see org.eclipse.wst.common.environment.ILog#log(int, java.lang.String, int, java.lang.Object, java.lang.String, org.eclipse.core.runtime.IStatus)
	 */
	public void log(int severity, String option, int messageNum,
			Object caller, String method, IStatus status) {
		log(severity, option, messageNum, caller, method, (Object)status);
	}
	
	private String getMessageNumString(int messageNum) {
		String messageNumString = "IWAB";
		if (messageNum > 9999 || messageNum < 0)
			messageNum = 9999; //default message number
		messageNumString += (new Integer(messageNum)).toString();
		return messageNumString;
	}
}