Examples of org.eclipse.core.runtime.IStatus

org.eclipse.core.runtime.IStatus
A status object represents the outcome of an operation. All CoreExceptions carry a status object to indicate what went wrong. Status objects are also returned by methods needing to provide details of failures (e.g., validation methods).
A status carries the following information:
- plug-in identifier (required)
- severity (required)
- status code (required)
- message (required) - localized to current locale
- exception (optional) - for problems stemming from a failure at a lower level
Some status objects, known as multi-statuses, have other status objects as children.

The class Status is the standard public implementation of status objects; the subclass MultiStatus is the implements multi-status objects.
This interface can be used without OSGi running.
@see MultiStatus @see Status

import org.eclipse.jface.viewers.Viewer;


public class StatusTreeContentProvider implements ITreeContentProvider {


    public Object[] getElements(Object inputElement) {
        IStatus rootStatus = (IStatus) inputElement;
        if (rootStatus.isMultiStatus()) {
            return rootStatus.getChildren();
        }
        return new Object[] {
            rootStatus
        };
    }

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    public void dispose() {}


    public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {}


    public Object[] getChildren(Object parentElement) {
        IStatus status = (IStatus) parentElement;
        return status.getChildren();
    }

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            return new Status(IStatus.ERROR, Plugin.PLUGIN_ID, 0, "Project location invalid or not specified.", null);
        if (useBndWorkspace && (projectName == null || projectName.length() == 0))
            return new Status(IStatus.ERROR, Plugin.PLUGIN_ID, 0, "Project name must be specified", null);


        // Check valid name
        IStatus nameStatus = JavaPlugin.getWorkspace().validateName(projectName != null ? projectName : "", IResource.PROJECT);
        if (!nameStatus.isOK())
            return nameStatus;


        // Check if project name already exists
        IProject existingProject = JavaPlugin.getWorkspace().getRoot().getProject(projectName);
        if (existingProject.exists())

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        return Status.OK_STATUS;
    }


    private void validate() {
        IStatus oldStatus = status;
        status = checkStatus();
        propSupport.firePropertyChange(PROP_STATUS, oldStatus, status);
    }

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                return;
            }


            // Create resolver job and pre-validate
            final ResolveJob job = new ResolveJob(model);
            IStatus validation = job.validateBeforeRun();
            if (!validation.isOK()) {
                String message = "Unable to run the resolver. NB.: the file will still be saved.";
                ErrorDialog.openError(shell, "Resolution Validation Problem", message, validation, IStatus.ERROR | IStatus.WARNING);
                reallySave(monitor);
                return;
            }

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            }
        });


        locationGroup.addPropertyChangeListener(new PropertyChangeListener() {
            public void propertyChange(PropertyChangeEvent event) {
                IStatus status = locationGroup.getStatus();
                setPageComplete(status.isOK());
                if (status.isOK()) {
                    setErrorMessage(null);
                } else {
                    setErrorMessage(status.getMessage());
                }
            }
        });
    }

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                setPageComplete(false);
                return;
            }


            // check whether the project name is valid
            @SuppressWarnings("unused")
            final IStatus nameStatus = workspace.validateName(name, IResource.PROJECT);
            if (!nameStatus.isOK()) {
                setErrorMessage(nameStatus.getMessage());
                setPageComplete(false);
                return;
            }


            // check whether project already exists

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        return validators;
    }


    void validate(Builder builder, List<IValidator> validators) {
        for (IValidator validator : validators) {
            IStatus status = validator.validate(builder);
            if (!status.isOK())
                validationResults.add(status);
        }
    }

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        return validators;
    }


    void validate(Builder builder, List<IValidator> validators) {
        for (IValidator validator : validators) {
            IStatus status = validator.validate(builder);
            if (!status.isOK())
                validationResults.add(status);
        }
    }

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import aQute.bnd.osgi.Builder;


public class BsnValidator implements IValidator {


    public IStatus validate(Builder builder) {
        IStatus status = Status.OK_STATUS;


        // Get actual BSN
        String actual = builder.getBsn();


        // Get expected BSN from file name

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