FileMarker.java example

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Reuseware-master
package org.reuseware.air.ui.eclipse.resource;

import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.PrintWriter;

import org.eclipse.core.resources.IFile;
import org.eclipse.core.resources.IMarker;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.NullProgressMonitor;
import org.reuseware.air.util.FileProcessingException;
import org.reuseware.air.util.FileProcessingProblem;


/**
 * Utility class to add markers to files based on FileProcessingProblems.
 * 
 * @author Jendrik Johannes
 */
@Deprecated
public class FileMarker {
    
    public static final String MARKER_TYPE = "de.tudresden.reuseware.coconut.ui.eclipse.problem";
    
    /**
     * Marks a file with markers.
     * 
     * @param file The file to mark.
     * @param e The FileProcessingException containing the FileProcessingProblems.
     * @throws CoreException
     */
    public static void mark(FileProcessingException e, IProject project) throws CoreException {
        IMarker marker;
        IFile file;
        
        for(FileProcessingProblem p : e.getProblems()) {
            if (p.getFile() == null) {
            	
                file = project.getFile("/ecomogen.error");
        
                if (!file.exists()) 
                	file.create(new ByteArrayInputStream(new byte[0]), true, new NullProgressMonitor());
               
                ByteArrayOutputStream stream = new ByteArrayOutputStream();
                PrintWriter out = new PrintWriter(stream);
                out.println("error (source unknown):"+p.getMessage());
                out.flush();
                file.appendContents(new ByteArrayInputStream(stream.toByteArray()), true, false, new NullProgressMonitor());
                out.close();
                
            }
            else {
                file = project.getFile(p.getFile().substring(p.getFile().substring(2).indexOf("/") + 2));
            }
            marker = file.createMarker(MARKER_TYPE);

            if (p.getSeverity() == FileProcessingProblem.SEVERITY_WARNING) {
                marker.setAttribute(IMarker.SEVERITY, IMarker.SEVERITY_WARNING);
            }
            else {
                marker.setAttribute(IMarker.SEVERITY, IMarker.SEVERITY_ERROR);
            }
            
            marker.setAttribute(IMarker.MESSAGE, p.getMessage());
            
            marker.setAttribute(IMarker.CHAR_START, p.getStart());
            marker.setAttribute(IMarker.CHAR_END, p.getStop() + 1);

        }
        
        

    }
    
    public static void unmark(IFile file) throws CoreException {
        file.deleteMarkers(FileMarker.MARKER_TYPE, false, IResource.DEPTH_ZERO);    
    }

}