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/**
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* Copyright (C) 2007 EDIT
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* European Distributed Institute of Taxonomy
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* http://www.e-taxonomy.eu
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*
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* The contents of this file are subject to the Mozilla Public License Version 1.1
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* See LICENSE.TXT at the top of this package for the full license terms.
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*/
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package eu.etaxonomy.taxeditor.editor;
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import java.util.HashSet;
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import java.util.Set;
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import java.util.UUID;
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import org.eclipse.core.runtime.IProgressMonitor;
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import org.eclipse.ui.IEditorInput;
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import org.eclipse.ui.IEditorPart;
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import org.eclipse.ui.IMemento;
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import org.eclipse.ui.IPersistable;
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import org.eclipse.ui.PartInitException;
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import eu.etaxonomy.taxeditor.editor.l10n.Messages;
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import eu.etaxonomy.taxeditor.editor.view.concept.ConceptViewPart;
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import eu.etaxonomy.taxeditor.editor.view.descriptive.DescriptiveViewPart;
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import eu.etaxonomy.taxeditor.editor.view.media.MediaViewPart;
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import eu.etaxonomy.taxeditor.model.ContextListenerAdapter;
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import eu.etaxonomy.taxeditor.model.MessagingUtils;
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import eu.etaxonomy.taxeditor.view.AbstractCdmEditorViewPart;
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/**
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* <p>EditorStateManager class.</p>
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*
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* @author n.hoffmann
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* @created Sep 30, 2010
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* @version 1.0
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*/
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public class EditorStateManager extends ContextListenerAdapter {
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private static final String EDITORS = "editors"; //$NON-NLS-1$
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private static final String EDITOR = "editor"; //$NON-NLS-1$
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private TaxonEditorInputFactory inputFactory;
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/**
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* <p>Constructor for EditorStateManager.</p>
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*/
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public EditorStateManager() {
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inputFactory = new TaxonEditorInputFactory();
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}
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/* (non-Javadoc)
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* @see eu.etaxonomy.taxeditor.model.IContextListener#contextAboutToStop(org.eclipse.ui.IMemento, org.eclipse.core.runtime.IProgressMonitor)
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*/
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/** {@inheritDoc} */
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@Override
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public void contextAboutToStop(IMemento memento, IProgressMonitor monitor) {
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saveEditorState(memento);
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}
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/* (non-Javadoc)
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* @see eu.etaxonomy.taxeditor.model.ContextListenerAdapter#contextStop(org.eclipse.ui.IMemento, org.eclipse.core.runtime.IProgressMonitor)
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*/
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/** {@inheritDoc} */
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@Override
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public void contextStop(IMemento memento, IProgressMonitor monitor) {
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EditorUtil.closeAll();
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resetConstantViews();
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}
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/**
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*
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*/
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private void resetConstantViews() {
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AbstractCdmEditorViewPart descriptiveView = (AbstractCdmEditorViewPart) EditorUtil.getView(DescriptiveViewPart.ID, false);
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AbstractCdmEditorViewPart mediaView = (AbstractCdmEditorViewPart) EditorUtil.getView(MediaViewPart.ID, false);
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AbstractCdmEditorViewPart conceptView = (AbstractCdmEditorViewPart) EditorUtil.getView(ConceptViewPart.ID, false);
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if(descriptiveView != null){
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descriptiveView.showEmptyPage();
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}
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if(mediaView != null){
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mediaView.showEmptyPage();
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}
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if(conceptView != null){
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conceptView.showEmptyPage();
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}
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}
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/* (non-Javadoc)
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* @see eu.etaxonomy.taxeditor.model.IContextListener#contextStart(org.eclipse.ui.IMemento, org.eclipse.core.runtime.IProgressMonitor)
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*/
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/** {@inheritDoc} */
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@Override
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public void contextStart(IMemento memento, IProgressMonitor monitor) {
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restoreEditors(memento, monitor);
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}
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/* (non-Javadoc)
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* @see eu.etaxonomy.taxeditor.model.ContextListenerAdapter#contextRefresh(org.eclipse.core.runtime.IProgressMonitor)
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*/
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@Override
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public void contextRefresh(IProgressMonitor monitor) {
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refreshEditors(monitor);
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}
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/* (non-Javadoc)
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* @see eu.etaxonomy.taxeditor.model.ContextListenerAdapter#workbenchShutdown(org.eclipse.ui.IMemento, org.eclipse.core.runtime.IProgressMonitor)
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*/
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/** {@inheritDoc} */
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@Override
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public void workbenchShutdown(IMemento memento, IProgressMonitor monitor) {
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saveEditorState(memento);
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}
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/**
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* Reads taxon node UUIDs from the given memento and tries to open an editor
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* for each of the found UUIDs.
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*
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* @param memento
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*/
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private void restoreEditors(final IMemento memento, IProgressMonitor monitor){
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if(memento == null){
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return;
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}
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IProgressMonitor subProgressMonitor = EditorUtil.getSubProgressMonitor(monitor, 1);
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IMemento editorMementos = memento.getChild(EDITORS);
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IMemento[] editorInputs = editorMementos.getChildren(EDITOR);
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String taskName = Messages.EditorStateManager_RESTORE_EDITORS;
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subProgressMonitor.beginTask(taskName, 1 + editorInputs.length * 2);
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subProgressMonitor.subTask(taskName);
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subProgressMonitor.worked(1);
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for(IMemento editorInput : editorInputs){
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TaxonEditorInput input = (TaxonEditorInput) inputFactory.createElement(editorInput);
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subProgressMonitor.worked(1);
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if(!subProgressMonitor.isCanceled() && input != null){
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try {
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EditorUtil.open(input);
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} catch (PartInitException e) {
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MessagingUtils.error(getClass(), Messages.EditorStateManager_ERROR_OPEN_WINDOW, e);
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}
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}
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subProgressMonitor.worked(1);
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}
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subProgressMonitor.done();
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}
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/**
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* @param monitor
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*/
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private void refreshEditors(IProgressMonitor monitor) {
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IProgressMonitor subProgressMonitor = EditorUtil.getSubProgressMonitor(monitor, 1);
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Set<IEditorPart> openEditors = EditorUtil.getOpenEditors();
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subProgressMonitor.beginTask(Messages.EditorStateManager_REFRESH_EDITOR, openEditors.size() * 2);
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Set<UUID> uuids = new HashSet<UUID>();
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for(IEditorPart editor : openEditors){
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if(editor instanceof MultiPageTaxonEditor){
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try {
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uuids.add(((TaxonEditorInput) editor.getEditorInput()).getTaxonNode().getUuid());
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// ((MultiPageTaxonEditor) editor).close(false);
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EditorUtil.close((MultiPageTaxonEditor)editor);
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subProgressMonitor.worked(1);
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} catch (Exception e) {
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// TODO Auto-generated catch block
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e.printStackTrace();
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}
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}
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}
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for(UUID uuid : uuids){
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try {
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EditorUtil.openTaxonNodeE4(uuid);
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} catch (Exception e) {
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// TODO Auto-generated catch block
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e.printStackTrace();
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}
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subProgressMonitor.worked(1);
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}
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subProgressMonitor.done();
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}
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/**
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* Saves the UUIDs
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*
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* @param memento
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*/
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private void saveEditorState(IMemento memento){
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if(memento == null){
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return;
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}
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Set<IEditorPart> editors = EditorUtil.getOpenEditors();
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IMemento editorMementos = memento.createChild(EDITORS);
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for(IEditorPart editor : editors){
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IEditorInput input = editor.getEditorInput();
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if(input instanceof IPersistable){
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IMemento editorMemento = editorMementos.createChild(EDITOR);
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((IPersistable) input).saveState(editorMemento);
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}
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}
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}
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}
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