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/*******************************************************************************
* Copyright (C) 2011, Mathias Kinzler <mathias.kinzler@sap.com>
* Copyright (C) 2012, Markus Duft <markus.duft@salomon.at>
*
* All rights reserved. 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
*******************************************************************************/
package org.eclipse.egit.ui.internal.components;
import java.lang.reflect.InvocationTargetException;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.egit.core.op.ListRemoteOperation;
import org.eclipse.egit.ui.Activator;
import org.eclipse.egit.ui.UIPreferences;
import org.eclipse.egit.ui.internal.CommonUtils;
import org.eclipse.egit.ui.internal.UIText;
import org.eclipse.jface.dialogs.ProgressMonitorDialog;
import org.eclipse.jface.operation.IRunnableWithProgress;
import org.eclipse.jface.wizard.IWizardContainer;
import org.eclipse.jgit.lib.Constants;
import org.eclipse.jgit.lib.Ref;
import org.eclipse.jgit.lib.RefDatabase;
import org.eclipse.jgit.lib.Repository;
import org.eclipse.jgit.transport.URIish;
import org.eclipse.swt.widgets.Shell;
/**
* Contains functionality required to calculate content assist data for {@link Ref}s
*/
public class RefContentAssistProvider {
private List<Ref> destinationRefs;
private List<Ref> sourceRefs;
private final Shell shell;
private final IWizardContainer container;
private final Repository repo;
private URIish uri;
/**
* @param repo the repository
* @param uri the uri to fetch branches from
* @param shell the shell used to attach progress dialogs to.
*/
public RefContentAssistProvider(Repository repo, URIish uri, Shell shell) {
this.repo = repo;
this.uri = uri;
this.shell = shell;
this.container = null;
}
/**
* @param repo
* the repository
* @param uri
* the uri to fetch branches from
* @param container
* used to attach progress dialogs to.
*/
public RefContentAssistProvider(Repository repo, URIish uri,
IWizardContainer container) {
this.repo = repo;
this.uri = uri;
this.shell = null;
this.container = container;
}
/**
* @param source whether we want proposals for the source or the destination of the operation
* @param pushMode whether the operation is a push or a fetch
* @return a list of all refs for the given mode.
*/
public List<Ref> getRefsForContentAssist(boolean source, boolean pushMode) {
if (source) {
if (sourceRefs != null)
return sourceRefs;
} else if (destinationRefs != null)
return destinationRefs;
List<Ref> result = new ArrayList<>();
try {
boolean local = pushMode == source;
if (!local) {
final ListRemoteOperation lop = new ListRemoteOperation(repo,
uri,
Activator.getDefault().getPreferenceStore().getInt(
UIPreferences.REMOTE_CONNECTION_TIMEOUT));
IRunnableWithProgress runnable = new IRunnableWithProgress() {
@Override
public void run(IProgressMonitor monitor)
throws InvocationTargetException,
InterruptedException {
monitor.beginTask(
UIText.RefSpecDialog_GettingRemoteRefsMonitorMessage,
IProgressMonitor.UNKNOWN);
lop.run(monitor);
monitor.done();
}
};
if (shell != null) {
new ProgressMonitorDialog(shell).run(true, true, runnable);
} else {
container.run(true, true, runnable);
}
for (Ref ref : lop.getRemoteRefs())
if (ref.getName().startsWith(Constants.R_HEADS)
|| (!pushMode && ref.getName().startsWith(
Constants.R_TAGS)))
result.add(ref);
} else if (pushMode)
for (Ref ref : repo.getRefDatabase()
.getRefsByPrefix(RefDatabase.ALL)) {
if (ref.getName().startsWith(Constants.R_REMOTES))
continue;
result.add(ref);
}
else
for (Ref ref : repo.getRefDatabase()
.getRefsByPrefix(Constants.R_REMOTES))
result.add(ref);
} catch (RuntimeException e) {
throw e;
} catch (InvocationTargetException e) {
Throwable cause = e.getCause();
Activator.handleError(cause.getMessage(), cause, true);
return result;
} catch (Exception e) {
Activator.handleError(e.getMessage(), e, true);
return result;
}
Collections.sort(result, CommonUtils.REF_ASCENDING_COMPARATOR);
if (source)
sourceRefs = result;
else
destinationRefs = result;
return result;
}
/**
* @return the associated current repository.
*/
public Repository getRepository() {
return repo;
}
/**
* @return the associated remote config to fetch branches from.
*/
public URIish getRemoteURI() {
return uri;
}
}
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