EDIT

package eu.etaxonomy.taxeditor.handler.update;

import java.net.URI;

import org.eclipse.core.runtime.IProgressMonitor;

import org.eclipse.core.runtime.IStatus;

import org.eclipse.core.runtime.Status;

import org.eclipse.jface.dialogs.MessageDialog;

import org.eclipse.swt.widgets.Shell;

import eu.etaxonomy.taxeditor.l10n.Messages;

import eu.etaxonomy.taxeditor.model.MessagingUtils;

    private Logger logger = Logger.getLogger(getClass());

    private UpdateOperation operation;

    @Execute

    public void execute(final IProvisioningAgent agent, final Shell shell, final UISynchronize sync,

            final IWorkbench workbench) {

        Job checkUpdateJob = new Job(Messages.UpdateHandler_CHECK_UPDATE_JOB) {

            @Override

            protected IStatus run(final IProgressMonitor monitor) {

                return checkForUpdates(agent, shell, sync, monitor);

            }

        };

        checkUpdateJob.schedule();

        checkUpdateJob.addJobChangeListener(new JobChangeAdapter() {

            @Override

            public void done(IJobChangeEvent event) {

        });

    }

	private IStatus checkForUpdates(final IProvisioningAgent agent, final Shell shell, final UISynchronize sync,

            IProgressMonitor monitor) {

        final ProvisioningSession session = new ProvisioningSession(agent);

        logger.info("Try to get updates" + System.currentTimeMillis());

        try{

	        // check for updates, this causes I/O

	        final IStatus status = operation.resolveModal(monitor);

	        // failed to find updates (inform user and exit)

        	logger.warn( e.getStackTrace().toString());

        	return Status.CANCEL_STATUS;

        }

        return Status.OK_STATUS;

    }

    private void configureProvisioningJob(ProvisioningJob provisioningJob, final Shell shell, final UISynchronize sync,

            final IWorkbench workbench) {

        // set location of artifact and metadata repo

        operation.getProvisioningContext().setArtifactRepositories(new URI[] { uri });

        operation.getProvisioningContext().setMetadataRepositories(new URI[] { uri });

        //if local plugin is installed, then check for updates

        //operation.getProvisioningContext().setExtraInstallableUnits(extraIUs);

        return operation;

    }

}

import eu.etaxonomy.cdm.model.agent.AgentBase;

import eu.etaxonomy.cdm.model.agent.Person;

import eu.etaxonomy.cdm.model.agent.TeamOrPersonBase;

import eu.etaxonomy.cdm.model.metadata.PreferencePredicate;

import eu.etaxonomy.cdm.persistence.dto.TeamOrPersonUuidAndTitleCache;

import eu.etaxonomy.cdm.persistence.dto.UuidAndTitleCache;

        model = CdmStore.getService(IAgentService.class).getUuidAndTitleCacheWithCollectorTitleCache(clazz, limitOfInitialElements, pattern);

    }

		if(cdmObject == null){

			return "";

		}

		if (cdmObject instanceof TeamOrPersonBase) {

		}

		throw new IllegalArgumentException("Generic method only" +

				" supports cdmObject of type TeamOrPersonBase." +

				" Please implement specific method in subclass.");

	}

}

 * The contents of this file are subject to the Mozilla Public License Version 1.1

 * See LICENSE.TXT at the top of this package for the full license terms.

 */

package eu.etaxonomy.taxeditor.ui.section.description;

import org.eclipse.swt.SWT;

import eu.etaxonomy.taxeditor.ui.element.AbstractFormSection;

import eu.etaxonomy.taxeditor.ui.element.CdmFormFactory;

import eu.etaxonomy.taxeditor.ui.element.ICdmFormElement;

import eu.etaxonomy.taxeditor.ui.element.IEntityElement;

import eu.etaxonomy.taxeditor.ui.element.LayoutConstants;

import eu.etaxonomy.taxeditor.ui.section.common.ExternalLinksSection;

import eu.etaxonomy.taxeditor.ui.selection.EntitySelectionElement;

/**

 * @author n.hoffmann

 * @created Nov 16, 2009

 */

public class DescriptionElementSourceElement extends

		AbstractOriginalSourceElement<DescriptionElementSource> implements

		cdmFormFactory.createSelectionArbitrator(this);

	}

	@Override

	public void createControls(ICdmFormElement formElement, int style) {

		super.createControls(formElement, style);

        if (getEntity() != null){

        	setEntity(entity);

        }

	}

	@Override

	public void setEntity(DescriptionElementSource entity) {

		super.setEntity(entity);

			if (PreferencesUtil.getBooleanValue(PreferencePredicate.ShowNamespaceInSource.getKey())){

			    text_idNamespace.setText(entity.getIdNamespace());

			}

			selection_reference.setEntity(entity.getCitation());

			text_referenceDetail.setText(entity.getCitationMicroReference());

			text_originaleNameString.setText(entity.getOriginalNameString());

			combo_origsourcetype.setSelection(entity.getType());

			externalLinks.setEntity(entity);

		}

	}

	@Override

	@Override

	public void handleEvent(Object eventSource) {

		if (eventSource == text_idInSource) {

		else if(eventSource == combo_origsourcetype){

		    getEntity().setType(combo_origsourcetype.getSelection());

		}

	}

	@Override

	public void setEnabled(boolean enabled) {

		super.setEnabled(enabled);

		externalLinks.setEnabled(isEnabled);

	}