bundles/org.eclipse.core.tools.resources/src/org/eclipse/core/tools/resources/ResourceContentProvider.java - platform/eclipse.platform.resources - Git at Google

 /*******************************************************************************
  * Copyright (c) 2000, 2015 IBM Corporation and others.
  *
  * This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License 2.0
  * which accompanies this distribution, and is available at
  * https://www.eclipse.org/legal/epl-2.0/
  *
  * SPDX-License-Identifier: EPL-2.0
  *
  * Contributors:
  *     IBM - Initial API and implementation
  *******************************************************************************/
 package org.eclipse.core.tools.resources;

 import java.util.*;
 import org.eclipse.core.internal.resources.*;
 import org.eclipse.core.resources.*;
 import org.eclipse.core.runtime.*;
 import org.eclipse.core.tools.*;
 import org.eclipse.jface.util.SafeRunnable;
 import org.eclipse.jface.viewers.Viewer;
 import org.eclipse.osgi.util.NLS;

 /**
  * Constructs a tree made of <code>TreeContentProviderNode</code>, representing
  * several details about resources.
  * Details include:
  * <ul>
  *   <li>resource's full path;</li>
  *   <li>content ID;</li>
  *   <li>node ID;</li>
  *   <li>resource type;</li>
  *   <li>local sync info;</li>
  *   <li>resource info flags;</li>
  *   <li>markers' type and attributes;</li>
  *   <li>sync info;</li>
  *   <li>session properties;</li>
  *   <li>persistent properties.</li>
  * </ul>
  *
  * @see org.eclipse.core.tools.TreeContentProviderNode
  */
 public class ResourceContentProvider extends AbstractTreeContentProvider {

 	/**
 	 * The maximum number of bytes to be shown for sync info
 	 */
 	private final static int MAX_SYNC_INFO_BYTES = 8;

 	/**
 	 * Collects resource info. Calls all other <code>extract...</code> methods.
 	 *
 	 * @param selectedResource the resource object from where to extract information
 	 */
 	protected void extractInfo(IResource selectedResource) {

 		if (!(selectedResource instanceof Resource)) {
 			String message = NLS.bind(Messages.resource_error_unknown_resource_impl, selectedResource.getClass().getName());
 			getRootNode().addChild(message);
 			return;
 		}

 		Resource resource = (Resource) selectedResource;

 		ResourceInfo info = resource.getResourceInfo(true, false);
 		// Resource#getResourceInfo may return null when the resource
 		// does not exist anymore. In this case, we just ignore it.
 		if (info == null)
 			return;

 		extractBasicInfo(resource, info);
 		extractFlags(info);
 		extractContentDescription(resource);
 		extractMarkersInfo(resource, info);
 		extractSyncInfo(info);
 		extractPersistentProperties(resource);
 		extractSessionProperties(resource);

 	}

 	/**
 	 * Collects persistent properties information.
 	 *
 	 * @param resource the resource object from where to extract information
 	 */
 	protected void extractPersistentProperties(IResource resource) {
 		try {
 			Map<QualifiedName, String> properties = ((Workspace) ResourcesPlugin.getWorkspace()).getPropertyManager().getProperties(resource);
 			if (properties.isEmpty())
 				return;
 			// creates a node for persistent properties and populates it
 			TreeContentProviderNode propertiesRootNode = createNode(Messages.resource_persistent_properties);
 			getRootNode().addChild(propertiesRootNode);
 			for (Map.Entry<QualifiedName, String> entry : properties.entrySet()) {
 				propertiesRootNode.addChild(createNode(entry.getKey().toString(), entry.getValue()));
 			}
 		} catch (CoreException ce) {
 			getRootNode().addChild(createNode(NLS.bind(Messages.resource_error_stored_properties, ce.toString())));
 		}
 	}

 	/**
 	 * Collects session properties information.
 	 *
 	 * @param resource the resource object from where to extract information
 	 */
 	protected void extractSessionProperties(IResource resource) {

 		// retrieves all session properties for the selected resource
 		Map<QualifiedName, Object> properties = org.eclipse.core.internal.resources.SpySupport.getSessionProperties(resource);
 		if (properties == null || properties.size() == 0)
 			return;

 		// creates a node for session properties and populates it
 		TreeContentProviderNode propertiesRootNode = createNode(Messages.resource_session_properties);
 		getRootNode().addChild(propertiesRootNode);

 		for (Map.Entry<QualifiedName, Object> entry : properties.entrySet()) {
 			propertiesRootNode.addChild(createNode(entry.getKey().toString(), entry.getValue()));
 		}

 	}

 	/**
 	 * Extracts basic resource info.
 	 *
 	 * @param resource the resource object from where to extract information
 	 * @param info the resource info object from where to extract information
 	 */
 	protected void extractBasicInfo(IResource resource, ResourceInfo info) {

 		// extracts information from IResource
 		IPath resourcePath = resource.getFullPath();
 		long id = info.getContentId();

 		String type = null;
 		switch (resource.getType()) {
 			case IResource.FILE :
 				type = Messages.resource_file;
 				break;
 			case IResource.FOLDER :
 				type = Messages.resource_folder;
 				break;
 			case IResource.PROJECT :
 				type = Messages.resource_project;
 				break;
 			case IResource.ROOT :
 				type = Messages.resource_root;
 				break;
 		}

 		// extracts information from ResourceInfo
 		long localSyncInfo = info.getLocalSyncInfo();
 		long nodeId = info.getNodeId();

 		// creates a root node for each basic information
 		getRootNode().addChild(createNode(Messages.resource_full_path, resourcePath));
 		getRootNode().addChild(createNode(Messages.resource_content_id, Long.toString(id)));
 		getRootNode().addChild(createNode(Messages.resource_type, type));
 		getRootNode().addChild(createNode(Messages.resource_node_id, Long.toString(nodeId)));
 		getRootNode().addChild(createNode(Messages.resource_local_sync_info, Long.toString(localSyncInfo)));
 	}

 	/**
 	 * Extracts flags from the resource info object, building a 'Flags'
 	 * subtree in the resource details' tree.
 	 *
 	 * @param info the resource info object from where to extract information
 	 */

 	protected void extractFlags(ResourceInfo info) {
 		// extract flags'values for the resource info object
 		boolean isOpen = info.isSet(ICoreConstants.M_OPEN);
 		boolean localExists = info.isSet(ICoreConstants.M_LOCAL_EXISTS);
 		boolean isPhantom = info.isSet(ICoreConstants.M_PHANTOM);
 		boolean isUsed = info.isSet(ICoreConstants.M_USED);
 		boolean isDerived = info.isSet(ICoreConstants.M_DERIVED);
 		boolean isTeamPrivateMember = info.isSet(ICoreConstants.M_TEAM_PRIVATE_MEMBER);
 		boolean isMarkersSnapDirty = info.isSet(ICoreConstants.M_MARKERS_SNAP_DIRTY);
 		boolean isSyncInfoSnapDirty = info.isSet(ICoreConstants.M_SYNCINFO_SNAP_DIRTY);
 		boolean noContentDescription = info.isSet(ICoreConstants.M_NO_CONTENT_DESCRIPTION);
 		boolean defaultContentDescription = info.isSet(ICoreConstants.M_DEFAULT_CONTENT_DESCRIPTION);
 		boolean isHidden = info.isSet(ICoreConstants.M_HIDDEN);

 		// creates a node for flags
 		TreeContentProviderNode flagsParentNode = createNode(Messages.resource_flags);
 		getRootNode().addChild(flagsParentNode);

 		// creates a child node in "Flags" node for each basic information
 		flagsParentNode.addChild(createNode(Messages.resource_open, Boolean.valueOf(isOpen)));
 		flagsParentNode.addChild(createNode(Messages.resource_local_exists, Boolean.valueOf(localExists)));
 		flagsParentNode.addChild(createNode(Messages.resource_phantom, Boolean.valueOf(isPhantom)));
 		flagsParentNode.addChild(createNode(Messages.resource_used, Boolean.valueOf(isUsed)));
 		flagsParentNode.addChild(createNode(Messages.resource_derived, Boolean.valueOf(isDerived)));
 		flagsParentNode.addChild(createNode(Messages.resource_team_private, Boolean.valueOf(isTeamPrivateMember)));
 		flagsParentNode.addChild(createNode(Messages.resource_markers_snap_dirty, Boolean.valueOf(isMarkersSnapDirty)));
 		flagsParentNode.addChild(createNode(Messages.resource_sync_info_snap_dirty, Boolean.valueOf(isSyncInfoSnapDirty)));
 		flagsParentNode.addChild(createNode(Messages.resource_no_content_description, Boolean.valueOf(noContentDescription)));
 		flagsParentNode.addChild(createNode(Messages.resource_default_content_description, Boolean.valueOf(defaultContentDescription)));
 		flagsParentNode.addChild(createNode(Messages.resource_hidden, Boolean.valueOf(isHidden)));

 	}

 	protected void extractContentDescription(Resource resource) {
 		if (resource.getType() != IResource.FILE)
 			return;
 		File file = (File) resource;
 		// creates a node for flags
 		try {
 			boolean cached = org.eclipse.core.internal.resources.SpySupport.isContentDescriptionCached(file);
 			String description = file.getContentDescription() + " (" + NLS.bind(Messages.resource_content_description_from_cache, Boolean.toString(cached)) + ")"; //$NON-NLS-1$//$NON-NLS-2$
 			TreeContentProviderNode contentDescriptionNode = createNode(Messages.resource_content_description, description);
 			getRootNode().addChild(contentDescriptionNode);
 		} catch (CoreException ce) {
 			// in the case of a CoreException, just present it as node
 			getRootNode().addChild(createNode(NLS.bind(Messages.resource_error_content_description, ce.toString())));
 		}

 	}

 	/**
 	 * Extracts from resource info object all information regarding markers,
 	 * building a 'Markers' subtree in the resource details tree.
 	 *
 	 * @param resource the resource object from where to extract information
 	 * @param info the resource info object from where to extract information
 	 */
 	protected void extractMarkersInfo(IResource resource, ResourceInfo info) {
 		MarkerSet markerSet = info.getMarkers();
 		if (markerSet == null)
 			return;

 		IMarkerSetElement[] markerSetElements = markerSet.elements();
 		if (markerSetElements.length == 0)
 			return;

 		// creates a root node for all markers
 		TreeContentProviderNode markersParentNode = createNode(Messages.resource_markers);
 		getRootNode().addChild(markersParentNode);

 		int markerSetSize = markerSetElements.length;
 		for (int i = 0; i < markerSetSize; i++) {
 			try {
 				long markerID = markerSetElements[i].getId();
 				IMarker marker = resource.getMarker(markerID);

 				// creates a marker node
 				String id = " [id = " + marker.getId() + "]"; //$NON-NLS-1$//$NON-NLS-2$
 				TreeContentProviderNode markerNode = createNode(marker.getType() + id);
 				markersParentNode.addChild(markerNode);
 				extractMarkerAttributes(markerNode, marker);

 			} catch (CoreException ce) {
 				// in the case of a CoreException, just present it as node
 				markersParentNode.addChild(createNode(NLS.bind(Messages.resource_error_marker, ce.toString())));
 			}
 		}
 	}

 	/**
 	 * Retrieves all attributes from a marker, adding them as sub-nodes in the
 	 * marker's node.
 	 *
 	 * @param markerNode the marker's node
 	 * @param marker the marker object
 	 * @throws CoreException if this method fails. Reasons include:
 	 * <ul>
 	 * <li>This marker does not exist.</li>
 	 * </ul>
 	 */
 	protected void extractMarkerAttributes(TreeContentProviderNode markerNode, IMarker marker) throws CoreException {

 		Map<String, Object> attributes = marker.getAttributes();
 		if (attributes == null || attributes.size() == 0)
 			return;

 		// create a node (under markerNode) for each attribute found
 		for (Map.Entry<String, Object> mapEntry : attributes.entrySet()) {
 			String attributeName = mapEntry.getKey();
 			Object attributeValue = mapEntry.getValue();
 			// adds each attribute as a subnode under
 			// this marker's node
 			markerNode.addChild(createNode(attributeName, attributeValue));
 		}
 		// attributes will be ordered by attribute name
 		markerNode.sort();
 	}

 	/**
 	 * Extracts from the resource info object all information related to VCM,
 	 * building a 'Sync Info' subtree in the resource details tree.
 	 *
 	 * @param info the resource info object from where to extract information
 	 */
 	protected void extractSyncInfo(ResourceInfo info) {
 		Map<QualifiedName, Object> syncInfo = info.getSyncInfo(true);
 		if (syncInfo == null || syncInfo.isEmpty())
 			return;

 		// creates a root node for all sync info
 		TreeContentProviderNode syncInfoParentNode = createNode(Messages.resource_sync_info);
 		getRootNode().addChild(syncInfoParentNode);

 		for (Map.Entry<QualifiedName, Object> entry : syncInfo.entrySet()) {
 			// creates a sync info node
 			String name = entry.getKey().toString();
 			String value = ByteUtil.byteArrayToString((byte[]) entry.getValue(), MAX_SYNC_INFO_BYTES);
 			syncInfoParentNode.addChild(createNode(name, value));
 		}

 	}

 	/**
 	 * Reconstructs this content provider data model upon the provided input object.
 	 *
 	 * @param input the new input object - must not be null
 	 */
 	@Override
 	protected void rebuild(Viewer viewer, final Object input) {
 		SafeRunner.run(new SafeRunnable() {
 			@Override
 			public void run() throws Exception {
 				extractInfo((IResource) input);
 			}
 		});
 	}

 	/**
 	 * Returns true if the input is a resource.
 	 *
 	 * @param input an input object
 	 * @see org.eclipse.core.tools.AbstractTreeContentProvider#acceptInput(java.lang.Object)
 	 */
 	@Override
 	protected boolean acceptInput(Object input) {
 		return input instanceof IResource;
 	}

 }
	/*******************************************************************************
	* Copyright (c) 2000, 2015 IBM Corporation and others.
	*
	* This program and the accompanying materials
	* are made available under the terms of the Eclipse Public License 2.0
	* which accompanies this distribution, and is available at
	* https://www.eclipse.org/legal/epl-2.0/
	*
	* SPDX-License-Identifier: EPL-2.0
	*
	* Contributors:
	* IBM - Initial API and implementation
	*******************************************************************************/
	package org.eclipse.core.tools.resources;

	import java.util.*;
	import org.eclipse.core.internal.resources.*;
	import org.eclipse.core.resources.*;
	import org.eclipse.core.runtime.*;
	import org.eclipse.core.tools.*;
	import org.eclipse.jface.util.SafeRunnable;
	import org.eclipse.jface.viewers.Viewer;
	import org.eclipse.osgi.util.NLS;

	/**
	* Constructs a tree made of <code>TreeContentProviderNode</code>, representing
	* several details about resources.
	* Details include:
	* <ul>
	* <li>resource's full path;</li>
	* <li>content ID;</li>
	* <li>node ID;</li>
	* <li>resource type;</li>
	* <li>local sync info;</li>
	* <li>resource info flags;</li>
	* <li>markers' type and attributes;</li>
	* <li>sync info;</li>
	* <li>session properties;</li>
	* <li>persistent properties.</li>
	* </ul>
	*
	* @see org.eclipse.core.tools.TreeContentProviderNode
	*/
	public class ResourceContentProvider extends AbstractTreeContentProvider {

	/**
	* The maximum number of bytes to be shown for sync info
	*/
	private final static int MAX_SYNC_INFO_BYTES = 8;

	/**
	* Collects resource info. Calls all other <code>extract...</code> methods.
	*
	* @param selectedResource the resource object from where to extract information
	*/
	protected void extractInfo(IResource selectedResource) {

	if (!(selectedResource instanceof Resource)) {
	String message = NLS.bind(Messages.resource_error_unknown_resource_impl, selectedResource.getClass().getName());
	getRootNode().addChild(message);
	return;
	}

	Resource resource = (Resource) selectedResource;

	ResourceInfo info = resource.getResourceInfo(true, false);
	// Resource#getResourceInfo may return null when the resource
	// does not exist anymore. In this case, we just ignore it.
	if (info == null)
	return;

	extractBasicInfo(resource, info);
	extractFlags(info);
	extractContentDescription(resource);
	extractMarkersInfo(resource, info);
	extractSyncInfo(info);
	extractPersistentProperties(resource);
	extractSessionProperties(resource);

	}

	/**
	* Collects persistent properties information.
	*
	* @param resource the resource object from where to extract information
	*/
	protected void extractPersistentProperties(IResource resource) {
	try {
	Map<QualifiedName, String> properties = ((Workspace) ResourcesPlugin.getWorkspace()).getPropertyManager().getProperties(resource);
	if (properties.isEmpty())
	return;
	// creates a node for persistent properties and populates it
	TreeContentProviderNode propertiesRootNode = createNode(Messages.resource_persistent_properties);
	getRootNode().addChild(propertiesRootNode);
	for (Map.Entry<QualifiedName, String> entry : properties.entrySet()) {
	propertiesRootNode.addChild(createNode(entry.getKey().toString(), entry.getValue()));
	}
	} catch (CoreException ce) {
	getRootNode().addChild(createNode(NLS.bind(Messages.resource_error_stored_properties, ce.toString())));
	}
	}

	/**
	* Collects session properties information.
	*
	* @param resource the resource object from where to extract information
	*/
	protected void extractSessionProperties(IResource resource) {

	// retrieves all session properties for the selected resource
	Map<QualifiedName, Object> properties = org.eclipse.core.internal.resources.SpySupport.getSessionProperties(resource);
	if (properties == null \|\| properties.size() == 0)
	return;

	// creates a node for session properties and populates it
	TreeContentProviderNode propertiesRootNode = createNode(Messages.resource_session_properties);
	getRootNode().addChild(propertiesRootNode);

	for (Map.Entry<QualifiedName, Object> entry : properties.entrySet()) {
	propertiesRootNode.addChild(createNode(entry.getKey().toString(), entry.getValue()));
	}

	}

	/**
	* Extracts basic resource info.
	*
	* @param resource the resource object from where to extract information
	* @param info the resource info object from where to extract information
	*/
	protected void extractBasicInfo(IResource resource, ResourceInfo info) {

	// extracts information from IResource
	IPath resourcePath = resource.getFullPath();
	long id = info.getContentId();

	String type = null;
	switch (resource.getType()) {
	case IResource.FILE :
	type = Messages.resource_file;
	break;
	case IResource.FOLDER :
	type = Messages.resource_folder;
	break;
	case IResource.PROJECT :
	type = Messages.resource_project;
	break;
	case IResource.ROOT :
	type = Messages.resource_root;
	break;
	}

	// extracts information from ResourceInfo
	long localSyncInfo = info.getLocalSyncInfo();
	long nodeId = info.getNodeId();

	// creates a root node for each basic information
	getRootNode().addChild(createNode(Messages.resource_full_path, resourcePath));
	getRootNode().addChild(createNode(Messages.resource_content_id, Long.toString(id)));
	getRootNode().addChild(createNode(Messages.resource_type, type));
	getRootNode().addChild(createNode(Messages.resource_node_id, Long.toString(nodeId)));
	getRootNode().addChild(createNode(Messages.resource_local_sync_info, Long.toString(localSyncInfo)));
	}

	/**
	* Extracts flags from the resource info object, building a 'Flags'
	* subtree in the resource details' tree.
	*
	* @param info the resource info object from where to extract information
	*/

	protected void extractFlags(ResourceInfo info) {
	// extract flags'values for the resource info object
	boolean isOpen = info.isSet(ICoreConstants.M_OPEN);
	boolean localExists = info.isSet(ICoreConstants.M_LOCAL_EXISTS);
	boolean isPhantom = info.isSet(ICoreConstants.M_PHANTOM);
	boolean isUsed = info.isSet(ICoreConstants.M_USED);
	boolean isDerived = info.isSet(ICoreConstants.M_DERIVED);
	boolean isTeamPrivateMember = info.isSet(ICoreConstants.M_TEAM_PRIVATE_MEMBER);
	boolean isMarkersSnapDirty = info.isSet(ICoreConstants.M_MARKERS_SNAP_DIRTY);
	boolean isSyncInfoSnapDirty = info.isSet(ICoreConstants.M_SYNCINFO_SNAP_DIRTY);
	boolean noContentDescription = info.isSet(ICoreConstants.M_NO_CONTENT_DESCRIPTION);
	boolean defaultContentDescription = info.isSet(ICoreConstants.M_DEFAULT_CONTENT_DESCRIPTION);
	boolean isHidden = info.isSet(ICoreConstants.M_HIDDEN);

	// creates a node for flags
	TreeContentProviderNode flagsParentNode = createNode(Messages.resource_flags);
	getRootNode().addChild(flagsParentNode);

	// creates a child node in "Flags" node for each basic information
	flagsParentNode.addChild(createNode(Messages.resource_open, Boolean.valueOf(isOpen)));
	flagsParentNode.addChild(createNode(Messages.resource_local_exists, Boolean.valueOf(localExists)));
	flagsParentNode.addChild(createNode(Messages.resource_phantom, Boolean.valueOf(isPhantom)));
	flagsParentNode.addChild(createNode(Messages.resource_used, Boolean.valueOf(isUsed)));
	flagsParentNode.addChild(createNode(Messages.resource_derived, Boolean.valueOf(isDerived)));
	flagsParentNode.addChild(createNode(Messages.resource_team_private, Boolean.valueOf(isTeamPrivateMember)));
	flagsParentNode.addChild(createNode(Messages.resource_markers_snap_dirty, Boolean.valueOf(isMarkersSnapDirty)));
	flagsParentNode.addChild(createNode(Messages.resource_sync_info_snap_dirty, Boolean.valueOf(isSyncInfoSnapDirty)));
	flagsParentNode.addChild(createNode(Messages.resource_no_content_description, Boolean.valueOf(noContentDescription)));
	flagsParentNode.addChild(createNode(Messages.resource_default_content_description, Boolean.valueOf(defaultContentDescription)));
	flagsParentNode.addChild(createNode(Messages.resource_hidden, Boolean.valueOf(isHidden)));

	}

	protected void extractContentDescription(Resource resource) {
	if (resource.getType() != IResource.FILE)
	return;
	File file = (File) resource;
	// creates a node for flags
	try {
	boolean cached = org.eclipse.core.internal.resources.SpySupport.isContentDescriptionCached(file);
	String description = file.getContentDescription() + " (" + NLS.bind(Messages.resource_content_description_from_cache, Boolean.toString(cached)) + ")"; //$NON-NLS-1$//$NON-NLS-2$
	TreeContentProviderNode contentDescriptionNode = createNode(Messages.resource_content_description, description);
	getRootNode().addChild(contentDescriptionNode);
	} catch (CoreException ce) {
	// in the case of a CoreException, just present it as node
	getRootNode().addChild(createNode(NLS.bind(Messages.resource_error_content_description, ce.toString())));
	}

	}

	/**
	* Extracts from resource info object all information regarding markers,
	* building a 'Markers' subtree in the resource details tree.
	*
	* @param resource the resource object from where to extract information
	* @param info the resource info object from where to extract information
	*/
	protected void extractMarkersInfo(IResource resource, ResourceInfo info) {
	MarkerSet markerSet = info.getMarkers();
	if (markerSet == null)
	return;

	IMarkerSetElement[] markerSetElements = markerSet.elements();
	if (markerSetElements.length == 0)
	return;

	// creates a root node for all markers
	TreeContentProviderNode markersParentNode = createNode(Messages.resource_markers);
	getRootNode().addChild(markersParentNode);

	int markerSetSize = markerSetElements.length;
	for (int i = 0; i < markerSetSize; i++) {
	try {
	long markerID = markerSetElements[i].getId();
	IMarker marker = resource.getMarker(markerID);

	// creates a marker node
	String id = " [id = " + marker.getId() + "]"; //$NON-NLS-1$//$NON-NLS-2$
	TreeContentProviderNode markerNode = createNode(marker.getType() + id);
	markersParentNode.addChild(markerNode);
	extractMarkerAttributes(markerNode, marker);

	} catch (CoreException ce) {
	// in the case of a CoreException, just present it as node
	markersParentNode.addChild(createNode(NLS.bind(Messages.resource_error_marker, ce.toString())));
	}
	}
	}

	/**
	* Retrieves all attributes from a marker, adding them as sub-nodes in the
	* marker's node.
	*
	* @param markerNode the marker's node
	* @param marker the marker object
	* @throws CoreException if this method fails. Reasons include:
	* <ul>
	* <li>This marker does not exist.</li>
	* </ul>
	*/
	protected void extractMarkerAttributes(TreeContentProviderNode markerNode, IMarker marker) throws CoreException {

	Map<String, Object> attributes = marker.getAttributes();
	if (attributes == null \|\| attributes.size() == 0)
	return;

	// create a node (under markerNode) for each attribute found
	for (Map.Entry<String, Object> mapEntry : attributes.entrySet()) {
	String attributeName = mapEntry.getKey();
	Object attributeValue = mapEntry.getValue();
	// adds each attribute as a subnode under
	// this marker's node
	markerNode.addChild(createNode(attributeName, attributeValue));
	}
	// attributes will be ordered by attribute name
	markerNode.sort();
	}

	/**
	* Extracts from the resource info object all information related to VCM,
	* building a 'Sync Info' subtree in the resource details tree.
	*
	* @param info the resource info object from where to extract information
	*/
	protected void extractSyncInfo(ResourceInfo info) {
	Map<QualifiedName, Object> syncInfo = info.getSyncInfo(true);
	if (syncInfo == null \|\| syncInfo.isEmpty())
	return;

	// creates a root node for all sync info
	TreeContentProviderNode syncInfoParentNode = createNode(Messages.resource_sync_info);
	getRootNode().addChild(syncInfoParentNode);

	for (Map.Entry<QualifiedName, Object> entry : syncInfo.entrySet()) {
	// creates a sync info node
	String name = entry.getKey().toString();
	String value = ByteUtil.byteArrayToString((byte[]) entry.getValue(), MAX_SYNC_INFO_BYTES);
	syncInfoParentNode.addChild(createNode(name, value));
	}

	}

	/**
	* Reconstructs this content provider data model upon the provided input object.
	*
	* @param input the new input object - must not be null
	*/
	@Override
	protected void rebuild(Viewer viewer, final Object input) {
	SafeRunner.run(new SafeRunnable() {
	@Override
	public void run() throws Exception {
	extractInfo((IResource) input);
	}
	});
	}

	/**
	* Returns true if the input is a resource.
	*
	* @param input an input object
	* @see org.eclipse.core.tools.AbstractTreeContentProvider#acceptInput(java.lang.Object)
	*/
	@Override
	protected boolean acceptInput(Object input) {
	return input instanceof IResource;
	}

	}