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Diffstat (limited to 'rse/plugins/org.eclipse.rse.files.ui/src/org/eclipse/rse/files/ui/resources/SystemRemoteMarkerManager.java')
| -rw-r--r-- | rse/plugins/org.eclipse.rse.files.ui/src/org/eclipse/rse/files/ui/resources/SystemRemoteMarkerManager.java | 400 |
1 files changed, 0 insertions, 400 deletions
diff --git a/rse/plugins/org.eclipse.rse.files.ui/src/org/eclipse/rse/files/ui/resources/SystemRemoteMarkerManager.java b/rse/plugins/org.eclipse.rse.files.ui/src/org/eclipse/rse/files/ui/resources/SystemRemoteMarkerManager.java deleted file mode 100644 index a1c4a3ad5..000000000 --- a/rse/plugins/org.eclipse.rse.files.ui/src/org/eclipse/rse/files/ui/resources/SystemRemoteMarkerManager.java +++ /dev/null @@ -1,400 +0,0 @@ -/******************************************************************************** - * Copyright (c) 2002, 2006 IBM Corporation. All rights reserved. - * This program and the accompanying materials are made available under the terms - * of the Eclipse Public License v1.0 which accompanies this distribution, and is - * available at http://www.eclipse.org/legal/epl-v10.html - * - * Initial Contributors: - * The following IBM employees contributed to the Remote System Explorer - * component that contains this file: David McKnight, Kushal Munir, - * Michael Berger, David Dykstal, Phil Coulthard, Don Yantzi, Eric Simpson, - * Emily Bruner, Mazen Faraj, Adrian Storisteanu, Li Ding, and Kent Hawley. - * - * Contributors: - * {Name} (company) - description of contribution. - ********************************************************************************/ - -package org.eclipse.rse.files.ui.resources; - -import java.util.ArrayList; -import java.util.List; - -import org.eclipse.core.runtime.IProgressMonitor; - -/** - * This singleton class manages all remote markers. - */ -public class SystemRemoteMarkerManager implements ISystemRemoteManager { - - - - private static SystemRemoteMarkerManager instance; - - // cache of marker type definitions - private SystemRemoteMarkerTypeDefinitionCache cache; - - // the next marker id - private long nextMarkerId = 0; - - // constant to indicate no marker infos - private static final SystemRemoteMarkerInfo[] NO_MARKER_INFO = new SystemRemoteMarkerInfo[0]; - - // constant to indicate no markers - private static final ISystemRemoteMarker[] NO_MARKER = new ISystemRemoteMarker[0]; - - /** - * Constructor for SystemRemoteMarkerManager. - */ - private SystemRemoteMarkerManager() { - super(); - cache = new SystemRemoteMarkerTypeDefinitionCache(); - } - - /** - * Get the singleton instance. - * @return the manager object - */ - public static SystemRemoteMarkerManager getInstance() { - - if (instance == null) { - instance = new SystemRemoteMarkerManager(); - } - - return instance; - } - - /** - * Get the cache. - * @return the cache - */ - public SystemRemoteMarkerTypeDefinitionCache getCache() { - return cache; - } - - /** - * Get the next marker id. - * @return the next marker id - */ - public long getNextMarkerId() { - return nextMarkerId++; - } - - /** - * Adds the given markers to the given resource. - * @param resource the resource - * @param newMarkers the marker infos - */ - public void add(ISystemRemoteResource resource, SystemRemoteMarkerInfo[] newMarkers) { - - if (newMarkers.length == 0) - return; - - SystemRemoteResource target = (SystemRemoteResource) resource; - SystemRemoteResourceInfo info = target.getResourceInfo(); - - if (info == null) { - return; - } - - // set the flag to indicate that the resource's markers have changed - if (isPersistent(newMarkers)) - info.set(ISystemRemoteCoreConstants.M_MARKERS_DIRTY); - - SystemRemoteMarkerSet markers = info.getMarkers(); - - if (markers == null) { - markers = new SystemRemoteMarkerSet(newMarkers.length); - } - - basicAdd(resource, markers, newMarkers); - - if (!markers.isEmpty()) { - info.setMarkers(markers); - } - } - - /** - * Adds the new markers to the given set of markers for the given resource. - * @param the resource - * @param the set of markers for the resource - * @param the new marker infos - */ - private void basicAdd(ISystemRemoteResource resource, SystemRemoteMarkerSet markers, SystemRemoteMarkerInfo[] newMarkers) { - - for (int i = 0; i < newMarkers.length; i++) { - - SystemRemoteMarkerInfo newMarker = newMarkers[i]; - newMarker.setId(getNextMarkerId()); - markers.add(newMarker); - } - } - - /** - * Removes a marker. - * @param resource the resource. - * @param id the marker id - */ - public void removeMarker(ISystemRemoteResource resource, long id) { - SystemRemoteMarkerInfo markerInfo = findMarkerInfo(resource, id); - - if (markerInfo == null) - return; - - SystemRemoteResourceInfo info = ((SystemRemoteResource)(resource)).getResourceInfo(); - - if (info == null) { - return; - } - - SystemRemoteMarkerSet markers = info.getMarkers(); - int size = markers.size(); - markers.remove(markerInfo); - - // if that was the last marker remove the set to save space. - if (markers.size() == 0) { - info.setMarkers(null); - } - - // if we actually did remove a marker, post a delta for the change. - if (markers.size() != size) { - - if (isPersistent(markerInfo)) { - info.set(ISystemRemoteCoreConstants.M_MARKERS_DIRTY); - } - } - } - - /** - * Finds a marker info given a resource, and the marker id. - * @param resource the resource. - * @param id the marker id - * @return the marker info - */ - public SystemRemoteMarkerInfo findMarkerInfo(ISystemRemoteResource resource, long id) { - SystemRemoteResourceInfo info = ((SystemRemoteResource)(resource)).getResourceInfo(); - - if (info == null) { - return null; - } - - SystemRemoteMarkerSet markers = info.getMarkers(); - - if (markers == null) { - return null; - } - - return (SystemRemoteMarkerInfo)(markers.get(id)); - } - - /** - * Removes markers of the given type, and optionally all the subtypes, from - * the given resource. - * @param resource the resource - * @param type the type - * @param includeSubtypes flag indicating whether to include subtypes - */ - public void removeMarkers(ISystemRemoteResource resource, String type, boolean includeSubtypes) { - SystemRemoteResourceInfo info = ((SystemRemoteResource)(resource)).getResourceInfo(); - - if (info == null) { - return; - } - - SystemRemoteMarkerSet markers = info.getMarkers(); - - if (markers == null) { - return; - } - - ISystemRemoteMarkerSetElement[] matching; - - // if type is null, then we want all the markers - // otherwise we need a subset - if (type == null) { - matching = markers.elements(); - info.setMarkers(null); - } - else { - matching = basicFindMatching(markers, type, includeSubtypes); - - // if nothing matches, simply return - if (matching.length == 0) { - return; - } - else { - markers.removeAll(matching); - - // if the marker set is empty, then make it null to save memory - if (markers.size() == 0) { - info.setMarkers(null); - } - } - } - } - - /** - * Returns the markers in the given set of markers which match the given type, - * and optionally including subtypes. - * @param the marker set - * @param the type - * @param flag indicating whether to include subtypes - */ - private SystemRemoteMarkerInfo[] basicFindMatching(SystemRemoteMarkerSet markers, String type, boolean includeSubtypes) { - int size = markers.size(); - - if (size <= 0) { - return NO_MARKER_INFO; - } - - List result = new ArrayList(size); - - ISystemRemoteMarkerSetElement[] elements = markers.elements(); - - for (int i = 0; i < elements.length; i++) { - SystemRemoteMarkerInfo marker = (SystemRemoteMarkerInfo)(elements[i]); - - // if the type is null, then we are looking for all types of markers - if (type == null) { - result.add(marker); - } - else { - if (includeSubtypes) { - - if (cache.isSubtype(marker.getType(), type)) { - result.add(marker); - } - } - else { - - if (marker.getType().equals(type)) { - result.add(marker); - } - } - } - } - - size = result.size(); - - if (size <= 0) { - return NO_MARKER_INFO; - } - - return (SystemRemoteMarkerInfo[])(result.toArray(new SystemRemoteMarkerInfo[size])); - } - - /** - * Returns the marker with the given id or <code>null</code> if none is found. - * @param resource the resource - * @param id the id of the marker to find - * @return the marker, or <code>null</code> if none s found. - */ - public ISystemRemoteMarker findMarker(ISystemRemoteResource resource, long id) { - SystemRemoteMarkerInfo info = findMarkerInfo(resource, id); - return info == null ? null : new SystemRemoteMarker(resource, info.getId()); - } - - /** - * Returns all markers of the specified type on the given target, and optionally the subtypes as well. - * Passing <code>null</code> for the type specifies a matching target for all types. - * @param resource the resource - * @param type the type - * @param includeSubtypes flag indicating whether to include subtypes - */ - public ISystemRemoteMarker[] findMarkers(ISystemRemoteResource resource, String type, boolean includeSubtypes) { - SystemRemoteResourceInfo info = ((SystemRemoteResource)resource).getResourceInfo(); - - if (info == null) { - return NO_MARKER; - } - - ArrayList result = new ArrayList(); - - SystemRemoteMarkerSet markers = info.getMarkers(); - - // add the matching markers for this resource - if (markers != null) { - - ISystemRemoteMarkerSetElement[] matching; - - if (type == null) { - matching = markers.elements(); - } - else { - matching = basicFindMatching(markers, type, includeSubtypes); - } - - buildMarkers(resource, matching, result); - } - - return (ISystemRemoteMarker[])(result.toArray(new ISystemRemoteMarker[result.size()])); - } - - /** - * Adds the markers on the given target which match the specified type to the list. - * @param the target resource - * @param the marker elements - * @param the list to add to - */ - private void buildMarkers(ISystemRemoteResource resource, ISystemRemoteMarkerSetElement[] markers, ArrayList list) { - - if (markers.length == 0) { - return; - } - - list.ensureCapacity(list.size() + markers.length); - - for (int i = 0; i < markers.length; i++) { - list.add(new SystemRemoteMarker(resource, ((SystemRemoteMarkerInfo)markers[i]).getId())); - } - } - - /** - * Returns whether marker info is persistent. - * @param info the marker info - * @return true if the given marker represented by this info is persistent, - * and false otherwise. - */ - public boolean isPersistent(SystemRemoteMarkerInfo info) { - return cache.isPersistent(info.getType()); - } - - /** - * Returns whether given marker is persistent. - * @param marker the marker - * @return true if the given marker is persistent, and false - * otherwise. - */ - public boolean isPersistent(ISystemRemoteMarker marker) { - return cache.isPersistent(marker.getType()); - } - - /** - * Returns whether any of the marker infos are persistent. - * @param infos the marker infos - * @return true if the a marker represented by any of the infos is persistent, - * and false otherwise. - */ - public boolean isPersistent(SystemRemoteMarkerInfo[] infos) { - - for (int i = 0; i < infos.length; i++) { - - if (cache.isPersistent(infos[i].getType())) { - return true; - } - } - - return false; - } - - /** - * @see org.eclipse.rse.files.ui.resources.ISystemRemoteManager#startup(IProgressMonitor) - */ - public void startup(IProgressMonitor monitor) { - } - - /** - * @see org.eclipse.rse.files.ui.resources.ISystemRemoteManager#shutdown(IProgressMonitor) - */ - public void shutdown(IProgressMonitor monitor) { - } -}
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