/*

* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of the License "Eclipse Public License v1.0"

* which accompanies this distribution, and is available

* at the URL "http://www.eclipse.org/legal/epl-v10.html".

*

* Initial Contributors:

* Nokia Corporation - initial contribution.

*

* Contributors:

*

* Description: 

*

*/

package com.nokia.cdt.internal.debug.launch.ui;

import org.eclipse.core.runtime.IStatus;

import org.eclipse.core.runtime.Assert;

import com.nokia.cdt.internal.debug.launch.LaunchPlugin;

/**

 * A settable IStatus. 

 * Can be an error, warning, info or ok. For error, info and warning states,

 * a message describes the problem.

 */

public class StatusInfo implements IStatus {

	public static final IStatus OK_STATUS= new StatusInfo();

	private String fStatusMessage;

	private int fSeverity;

	/**

	 * Creates a status set to OK (no message)

	 */

	public StatusInfo() {

		this(OK, null);

	}

	/**

	 * Creates a status .

	 * @param severity The status severity: ERROR, WARNING, INFO and OK.

	 * @param message The message of the status. Applies only for ERROR,

	 * WARNING and INFO.

	 */	

	public StatusInfo(int severity, String message) {

		fStatusMessage= message;

		fSeverity= severity;

	}		

	/**

	 *  Returns if the status' severity is OK.

	 */

	public boolean isOK() {

		return fSeverity == IStatus.OK;

	}

	/**

	 *  Returns if the status' severity is WARNING.

	 */	

	public boolean isWarning() {

		return fSeverity == IStatus.WARNING;

	}

	/**

	 *  Returns if the status' severity is INFO.

	 */	

	public boolean isInfo() {

		return fSeverity == IStatus.INFO;

	}	

	/**

	 *  Returns if the status' severity is ERROR.

	 */	

	public boolean isError() {

		return fSeverity == IStatus.ERROR;

	}

	/**

	 * @see IStatus#getMessage

	 */

	public String getMessage() {

		return fStatusMessage;

	}

	/**

	 * Sets the status to ERROR.

	 * @param errorMessage The error message (can be empty, but not null)

	 */	

	public void setError(String errorMessage) {

		Assert.isNotNull(errorMessage);

		fStatusMessage= errorMessage;

		fSeverity= IStatus.ERROR;

	}

	/**

	 * Sets the status to WARNING.

	 * @param warningMessage The warning message (can be empty, but not null)

	 */		

	public void setWarning(String warningMessage) {

		Assert.isNotNull(warningMessage);

		fStatusMessage= warningMessage;

		fSeverity= IStatus.WARNING;

	}

	/**

	 * Sets the status to INFO.

	 * @param infoMessage The info message (can be empty, but not null)

	 */		

	public void setInfo(String infoMessage) {

		Assert.isNotNull(infoMessage);

		fStatusMessage= infoMessage;

		fSeverity= IStatus.INFO;

	}	

	/**

	 * Sets the status to OK.

	 */		

	public void setOK() {

		fStatusMessage= null;

		fSeverity= IStatus.OK;

	}

	/*

	 * @see IStatus#matches(int)

	 */

	public boolean matches(int severityMask) {

		return (fSeverity & severityMask) != 0;

	}

	/**

	 * Returns always <code>false</code>.

	 * @see IStatus#isMultiStatus()

	 */

	public boolean isMultiStatus() {

		return false;

	}

	/*

	 * @see IStatus#getSeverity()

	 */

	public int getSeverity() {

		return fSeverity;

	}

	/*

	 * @see IStatus#getPlugin()

	 */

	public String getPlugin() {

		return LaunchPlugin.PLUGIN_ID;

	}

	/**

	 * Returns always <code>null</code>.

	 * @see IStatus#getException()

	 */

	public Throwable getException() {

		return null;

	}

	/**

	 * Returns always the error severity.

	 * @see IStatus#getCode()

	 */

	public int getCode() {

		return fSeverity;

	}

	/**

	 * Returns always <code>null</code>.

	 * @see IStatus#getChildren()

	 */

	public IStatus[] getChildren() {

		return new IStatus[0];

	}	

}