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/*******************************************************************************
* Copyright (c) 2000, 2006 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 Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.team.internal.ccvs.ui.operations;
import java.util.ArrayList;
import java.util.List;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.resources.mapping.ResourceMapping;
import org.eclipse.core.runtime.*;
import org.eclipse.osgi.util.NLS;
import org.eclipse.team.core.TeamException;
import org.eclipse.team.core.diff.IDiff;
import org.eclipse.team.core.diff.IThreeWayDiff;
import org.eclipse.team.core.history.IFileRevision;
import org.eclipse.team.core.mapping.IResourceDiffTree;
import org.eclipse.team.core.variants.IResourceVariant;
import org.eclipse.team.internal.ccvs.core.*;
import org.eclipse.team.internal.ccvs.core.client.*;
import org.eclipse.team.internal.ccvs.core.client.Command.LocalOption;
import org.eclipse.team.internal.ccvs.core.client.listeners.IUpdateMessageListener;
import org.eclipse.team.internal.ccvs.core.client.listeners.UpdateListener;
import org.eclipse.team.internal.ccvs.core.resources.RemoteFile;
import org.eclipse.team.internal.ccvs.ui.CVSUIMessages;
import org.eclipse.team.internal.ccvs.ui.CVSUIPlugin;
import org.eclipse.ui.IWorkbenchPart;
/**
* Abstract operation for caching the contents for any files
* in a particular remote tree that differ from the local contents.*
*/
public abstract class CacheTreeContentsOperation extends SingleCommandOperation {
private final IResourceDiffTree tree;
public CacheTreeContentsOperation(IWorkbenchPart part, ResourceMapping[] mappings, IResourceDiffTree tree) {
super(part, mappings, Command.NO_LOCAL_OPTIONS);
this.tree = tree;
}
/* (non-Javadoc)
* @see org.eclipse.team.internal.ccvs.ui.operations.SingleCommandOperation#execute(org.eclipse.team.internal.ccvs.core.CVSTeamProvider, org.eclipse.core.resources.IResource[], boolean, org.eclipse.core.runtime.IProgressMonitor)
*/
protected void execute(CVSTeamProvider provider, IResource[] resources, boolean recurse, IProgressMonitor monitor) throws CVSException, InterruptedException {
IResource[] files = getFilesWithUncachedContents(resources, recurse);
if (files.length > 0)
super.execute(provider, files, recurse, monitor);
}
private IResource[] getFilesWithUncachedContents(IResource[] resources, boolean recurse) {
ArrayList result = new ArrayList();
for (int i = 0; i < resources.length; i++) {
IResource resource = resources[i];
IDiff[] nodes = tree.getDiffs(resource, recurse ? IResource.DEPTH_INFINITE: IResource.DEPTH_ONE);
for (int j = 0; j < nodes.length; j++) {
IDiff node = nodes[j];
if (needsContents(node)) {
result.add(tree.getResource(node));
}
}
}
return (IResource[]) result.toArray(new IResource[result.size()]);
}
protected boolean needsContents(IDiff node) {
if (node instanceof IThreeWayDiff) {
IThreeWayDiff twd = (IThreeWayDiff) node;
IResource local = getTree().getResource(node);
IFileRevision remote = getRemoteFileState(twd);
if (remote != null) {
IResourceVariant variant = (IResourceVariant)Adapters.adapt(remote, IResourceVariant.class);
if (local.getType() == IResource.FILE
&& isEnabledForDirection(twd.getDirection())
&& variant instanceof RemoteFile) {
RemoteFile rf = (RemoteFile) variant;
if (!rf.isContentsCached()) {
return true;
}
}
}
}
return false;
}
/**
* Get the remote file state that is of interest.
* @param twd a three way diff
* @return the remote file state that is of interest
*/
protected abstract IFileRevision getRemoteFileState(IThreeWayDiff twd);
/**
* Return whether the direction is of interest.
* @param direction the direction of a diff
* @return whether the direction is of interest
*/
protected abstract boolean isEnabledForDirection(int direction);
/* (non-Javadoc)
*
* Use a local root that is really the base tree so we can cache
* the base contents without affecting the local contents.
*
* @see org.eclipse.team.internal.ccvs.ui.operations.RepositoryProviderOperation#getLocalRoot(org.eclipse.team.internal.ccvs.core.CVSTeamProvider)
*/
protected ICVSFolder getLocalRoot(CVSTeamProvider provider)
throws CVSException {
try {
ICVSRemoteResource tree = buildTree(provider);
return (ICVSFolder)tree;
} catch (TeamException e) {
throw CVSException.wrapException(e);
}
}
protected abstract ICVSRemoteResource buildTree(CVSTeamProvider provider) throws TeamException;
/* (non-Javadoc)
* @see org.eclipse.team.internal.ccvs.ui.operations.RepositoryProviderOperation#getCVSArguments(org.eclipse.core.resources.IResource[])
*/
protected ICVSResource[] getCVSArguments(Session session, IResource[] resources) {
List result = new ArrayList();
for (int i = 0; i < resources.length; i++) {
IResource resource = resources[i];
try {
ICVSResource file = session.getLocalRoot().getChild(resource.getProjectRelativePath().toString());
result.add(file);
} catch (CVSException e) {
// Log and continue
CVSUIPlugin.log(e);
}
}
return (ICVSResource[]) result.toArray(new ICVSResource[result.size()]);
}
/* (non-Javadoc)
* @see org.eclipse.team.internal.ccvs.ui.operations.SingleCommandOperation#executeCommand(org.eclipse.team.internal.ccvs.core.client.Session, org.eclipse.team.internal.ccvs.core.CVSTeamProvider, org.eclipse.team.internal.ccvs.core.ICVSResource[], boolean, org.eclipse.core.runtime.IProgressMonitor)
*/
protected IStatus executeCommand(Session session, CVSTeamProvider provider, ICVSResource[] resources, boolean recurse, IProgressMonitor monitor) throws CVSException, InterruptedException {
return Command.UPDATE.execute(
session,
Command.NO_GLOBAL_OPTIONS,
getLocalOptions(true),
resources,
new UpdateListener(new IUpdateMessageListener() {
public void fileInformation(int type, ICVSFolder parent, String filename) {
// Do nothing
}
public void fileDoesNotExist(ICVSFolder parent, String filename) {
// Do nothing
}
public void directoryInformation(ICVSFolder commandRoot, String path,
boolean newDirectory) {
// Do nothing
}
public void directoryDoesNotExist(ICVSFolder commandRoot, String path) {
// Do nothing
}
}),
monitor);
}
/* (non-Javadoc)
* @see org.eclipse.team.internal.ccvs.ui.operations.SingleCommandOperation#getLocalOptions(boolean)
*/
protected LocalOption[] getLocalOptions(boolean recurse) {
return Update.IGNORE_LOCAL_CHANGES.addTo(super.getLocalOptions(recurse));
}
/* (non-Javadoc)
* @see org.eclipse.team.internal.ccvs.ui.operations.RepositoryProviderOperation#getTaskName(org.eclipse.team.internal.ccvs.core.CVSTeamProvider)
*/
protected String getTaskName(CVSTeamProvider provider) {
return NLS.bind(CVSUIMessages.CacheTreeContentsOperation_0, new String[] {provider.getProject().getName()});
}
/* (non-Javadoc)
* @see org.eclipse.team.internal.ccvs.ui.operations.CVSOperation#getTaskName()
*/
protected String getTaskName() {
return CVSUIMessages.CacheTreeContentsOperation_1;
}
/**
* Return the diff tree whose contents are being cached
* @return
*/
protected IResourceDiffTree getTree() {
return tree;
}
/* (non-Javadoc)
* @see org.eclipse.team.internal.ccvs.ui.operations.RepositoryProviderOperation#consultModelsForMappings()
*/
public boolean consultModelsForMappings() {
return false;
}
/* (non-Javadoc)
* @see org.eclipse.team.internal.ccvs.ui.operations.CVSOperation#isReportableError(org.eclipse.core.runtime.IStatus)
*/
protected boolean isReportableError(IStatus status) {
return super.isReportableError(status) && status.getSeverity() == IStatus.ERROR;
}
}
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