Examples of org.eclipse.core.resources.IMarker

org.eclipse.core.resources.IMarker
Markers are a general mechanism for associating notes and meta-data with resources.
Markers themselves are handles in the same way as IResources are handles. Instances of IMarker do not hold the attributes themselves but rather uniquely refer to the attribute container. As such, their state may change underneath the handle with no warning to the holder of the handle.
The Resources plug-in provides a general framework for defining and manipulating markers and provides several standard marker types.

Each marker has:
- a type string, specifying its type (e.g. "org.eclipse.core.resources.taskmarker"),
- an identifier which is unique (relative to a particular resource)
Specific types of markers may carry additional information.

The resources plug-in defines five standard types:
- org.eclipse.core.resources.marker
- org.eclipse.core.resources.taskmarker
- org.eclipse.core.resources.problemmarker
- org.eclipse.core.resources.bookmark
- org.eclipse.core.resources.textmarker
The plug-in also provides an extension point ( org.eclipse.core.resources.markers) into which other plug-ins can install marker type declaration extensions.

Marker types are declared within a multiple inheritance type system. New markers are defined in the plugin.xml file of the declaring plug-in. A valid declaration contains elements as defined by the extension point DTD:
- type - the unique name of the marker type
- super - the list of marker types of which this marker is to be considered a sub-type
- attributes - the list of standard attributes which may be present on this type of marker
- persistent - whether markers of this type should be persisted by the platform

        return target;
    }


    @Override
    public String getMessage() {
        final IMarker marker = getMarker();
        return "Line Breakpoint: " + marker.getResource().getName() + " [line: "
                + marker.getAttribute(IMarker.LINE_NUMBER, -1) + "]";
    }

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public class DebugMarkerUtils {


    public static IMarker createErlangLineBreakpointMarker(final IResource resource,
            final int lineNumber, final String modelIdentifier) throws CoreException {
        final IMarker marker = resource
                .createMarker(ErlangLineBreakpoint.ERLANG_LINE_BREAKPOINT_MARKER_TYPE);
        marker.setAttribute(IBreakpoint.ENABLED, Boolean.TRUE);
        marker.setAttribute(IMarker.LINE_NUMBER, lineNumber);
        marker.setAttribute(IBreakpoint.ID, modelIdentifier);
        marker.setAttribute(IMarker.MESSAGE, "Line Breakpoint: " + resource.getName()
                + " [line: " + lineNumber + "]");
        return marker;
    }

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            final Collection<IProject> projects, final List<String> interpretedModules) {
        final IBreakpointManager bpm = DebugPlugin.getDefault().getBreakpointManager();
        final Set<String> result = new HashSet<String>(interpretedModules);
        for (final IBreakpoint bp : bpm
                .getBreakpoints(ErlDebugConstants.ID_ERLANG_DEBUG_MODEL)) {
            final IMarker m = bp.getMarker();
            final IResource r = m.getResource();
            final String name = r.getName();
            if (SourceKind.hasErlExtension(name)) {
                final IProject p = r.getProject();
                if (projects == null || projects.contains(p)) {
                    final String s = p.getName() + ":" + name;

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        for (int i = 0; i < breakpoints.length; i++) {
            if (!(breakpoints[i] instanceof IErlangBreakpoint)) {
                continue;
            }
            final IErlangBreakpoint breakpoint = (IErlangBreakpoint) breakpoints[i];
            final IMarker marker = breakpoint.getMarker();
            if (marker != null && marker.exists() && marker.getType().equals(markerType)
                    && currentmarker.getId() != marker.getId()) {
                if (marker instanceof ErlangLineBreakpoint) {
                    final ErlangLineBreakpoint erlangLineBreakpoint = (ErlangLineBreakpoint) marker;
                    if (erlangLineBreakpoint.getLineNumber() == lineNumber) {
                        return erlangLineBreakpoint;
                    }

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        return result;
    }


    private static void addAnnotationForMessage(final String fileName,
            final IResource res, final OtpErlangTuple data) {
        final IMarker marker = AnnotationBuilder.get(res, fileName, data);
        if (marker != null) {
            try {
                marker.setAttribute(IMarker.SOURCE_ID, res.getLocation().toString());
            } catch (final CoreException e) {
            }
        }
    }

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    public void createProblemMarkerFor(final IResource resource,
            final IErlFunction erlElement, final String message, final int problemSeverity)
            throws CoreException {
        final ISourceRange range = erlElement == null ? null : erlElement.getNameRange();


        final IMarker marker = createProblemMarker(resource, null, message, 0,
                problemSeverity);


        final int start = range == null ? 0 : range.getOffset();
        final int end = range == null ? 1 : start + range.getLength();
        marker.setAttribute(IMarker.CHAR_START, Integer.valueOf(start));
        marker.setAttribute(IMarker.CHAR_END, Integer.valueOf(end));
    }

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        IResource resource = module.getCorrespondingResource();
        if (resource == null) {
            resource = ResourcesPlugin.getWorkspace().getRoot();
            setPath = true;
        }
        final IMarker marker = resource.createMarker(type);
        marker.setAttribute(IMarker.CHAR_START, offset);
        marker.setAttribute(IMarker.CHAR_END, offset + length);
        if (setPath) {
            marker.setAttribute(PATH_ATTRIBUTE, module.getFilePath());
        }
        return marker;
    }

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            if (file != null) {
                resource = file;
            } else {
                resource = ResourcesPlugin.getWorkspace().getRoot();
            }
            final IMarker marker = resource.createMarker(markerKind);
            marker.setAttribute(IMarker.MESSAGE, message);
            marker.setAttribute(IMarker.SEVERITY, severity);
            marker.setAttribute(IMarker.LINE_NUMBER, lineNumber >= 0 ? lineNumber : 1);
            String myPath = path;
            if (path == null) {
                myPath = "/" + resource.getProject().getName() + "/"
                        + resource.getParent().getProjectRelativePath().toString();
            }
            marker.setAttribute(PATH_ATTRIBUTE, myPath);
            marker.setAttribute(IMarker.SOURCE_ID, myPath);
            final ProblemData problem = ErlProblems.parse(message);
            if (problem != null) {
                marker.setAttribute(ProblemData.TAG, problem.getTag());
                marker.setAttribute(ProblemData.ARGS,
                        Joiner.on('\0').join(problem.getMessageArgs(message)));
            }
            return marker;
        } catch (final CoreException e) {
        }

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  /**
   * @generated
   */
  public static IMarker addMarker(IFile file, String elementId,
      String location, String message, int statusSeverity) {
    IMarker marker = null;
    try {
      marker = file.createMarker(MARKER_TYPE);
      marker.setAttribute(IMarker.MESSAGE, message);
      marker.setAttribute(IMarker.LOCATION, location);
      marker
          .setAttribute(
              org.eclipse.gmf.runtime.common.ui.resources.IMarker.ELEMENT_ID,
              elementId);
      int markerSeverity = IMarker.SEVERITY_INFO;
      if (statusSeverity == IStatus.WARNING) {
        markerSeverity = IMarker.SEVERITY_WARNING;
      } else if (statusSeverity == IStatus.ERROR
          || statusSeverity == IStatus.CANCEL) {
        markerSeverity = IMarker.SEVERITY_ERROR;
      }
      marker.setAttribute(IMarker.SEVERITY, markerSeverity);
    } catch (CoreException e) {
      OntoUML.diagram.part.OntoUMLDiagramEditorPlugin.getInstance()
          .logError("Failed to create validation marker", e); //$NON-NLS-1$
    }
    return marker;

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   * @param resource
   * @param errorMessage
   * @throws CoreException
   */
  public static void createMarker(IResource resource, String errorMessage) throws CoreException {
    IMarker marker = resource.createMarker(PROBLEM_MARKER);


    marker.setAttribute(IMarker.SEVERITY, IMarker.SEVERITY_ERROR);
    marker.setAttribute(IMarker.MARKER, IMarker.PROBLEM);


    marker.setAttribute(IMarker.MESSAGE, errorMessage);
    marker.setAttribute(IMarker.LINE_NUMBER, 1);
  }

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