org.eclipse.viatra2.core2/src/org/eclipse/viatra2/errors/reporting/internal/MarkerManager.java

/*******************************************************************************
 * Copyright (c) 2004-2008 Istvan Rath and Daniel Varro
 * 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:
 *    Istvan Rath - initial API and implementation
 *******************************************************************************/

package org.eclipse.viatra2.errors.reporting.internal;

import org.eclipse.core.resources.IMarker;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.runtime.Assert;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.viatra2.errors.info.ErrorInformation;
import org.eclipse.viatra2.errors.info.Location;
import org.eclipse.viatra2.errors.reporting.IErrorReporter;

public class MarkerManager implements IErrorReporter {
	
	protected IResource resource;	
	

	public MarkerManager(IResource resource) {
		this.resource = resource;
	}
	
	/* (non-Javadoc)
	 * @see org.eclipse.viatra2.editor.text.light.vtcl.IVTCLErrorReporter#reportError(org.eclipse.viatra2.errors.info.ErrorInformation)
	 */
	public void reportError(ErrorInformation info)
	{
		try
		{
			Location location = info.getLocation();
			int offset = location.getBeginOffset();
			int endOffset = location.getEndOffset();
			Assert.isTrue(endOffset >= 0 && offset >= 0, "Error location must be set");
			int length =  endOffset - offset + 1;
			if (length <= 0) length = 1;
			int severity;
			switch (info.getErrorSeverity()) {
			case INFO:
				severity = IMarker.SEVERITY_INFO;
				break;
			case WARNING:
				severity = IMarker.SEVERITY_WARNING;
				break;
			case ERROR:
				severity = IMarker.SEVERITY_ERROR;
				break;

			default:
				severity = IMarker.SEVERITY_ERROR;
				break;
			}
			createErrorMarker(info.getMessage(), info.getMarkerId(), severity, offset,length, location.getBeginLine());
		}
		catch (Exception e)
		{
			System.out.println("Editor::reportError exception occured!!!!");
		}
	}

	boolean createErrorMarker(String message, String markerId, int severity, int offset, int length, int line) 
	{
		
		if (resource != null) {
			try 
			{				
				IMarker marker = resource.createMarker(markerId);
				marker.setAttribute(IMarker.SEVERITY, severity);
				marker.setAttribute(IMarker.MESSAGE, message);
				marker.setAttribute(IMarker.LINE_NUMBER, line);
				if (offset != 0)
				{
					marker.setAttribute(IMarker.CHAR_START,offset);
					marker.setAttribute(IMarker.CHAR_END,offset+length);
				}				
				return true;
			} 
			catch (Exception exc) 
			{
				//System.err.println("exc");
				exc.printStackTrace(System.err);
			}
		}		
		return false;
	}

	/* (non-Javadoc)
	 * @see org.eclipse.viatra2.editor.text.light.vtcl.IVTCLErrorReporter#deleteMarkers(org.eclipse.core.resources.IResource, java.lang.String)
	 */
	public void deleteMarkers(String type) 
	{
		if (resource == null)
			return;
		try 
		{
			resource.deleteMarkers(type, true, IResource.DEPTH_INFINITE);
		} 
		catch (CoreException e) 
		{				
		}
	}

}