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/*******************************************************************************
* Copyright (c) 2000, 2003 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Common Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/cpl-v10.html
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.team.internal.ccvs.core.client;
import java.util.ArrayList;
import java.util.List;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.team.internal.ccvs.core.CVSException;
import org.eclipse.team.internal.ccvs.core.CVSStatus;
import org.eclipse.team.internal.ccvs.core.CVSTag;
import org.eclipse.team.internal.ccvs.core.ICVSFolder;
import org.eclipse.team.internal.ccvs.core.ICVSResource;
import org.eclipse.team.internal.ccvs.core.Policy;
import org.eclipse.team.internal.ccvs.core.client.listeners.ICommandOutputListener;
import org.eclipse.team.internal.ccvs.core.client.listeners.ModuleDefinitionsListener;
import org.eclipse.team.internal.ccvs.core.client.listeners.UpdateListener;
import org.eclipse.team.internal.ccvs.core.connection.CVSServerException;
import org.eclipse.team.internal.ccvs.core.resources.RemoteModule;
import org.eclipse.team.internal.ccvs.core.util.Assert;
public class Checkout extends Command {
/*** Local options: specific to checkout ***/
public static final LocalOption DO_NOT_SHORTEN = new LocalOption("-N"); //$NON-NLS-1$
public static final LocalOption FETCH_MODULE_ALIASES = new LocalOption("-c"); //$NON-NLS-1$
public static LocalOption makeDirectoryNameOption(String moduleName) {
return new LocalOption("-d", moduleName); //$NON-NLS-1$
}
/*** Default command output listener ***/
private static final ICommandOutputListener DEFAULT_OUTPUT_LISTENER = new UpdateListener(null);
/** Command options found in the CVSROOT/modules file */
public static LocalOption ALIAS = new LocalOption("-a"); //$NON-NLS-1$
public static LocalOption makeStatusOption(String status) {
return new LocalOption("-s", status); //$NON-NLS-1$
}
protected Checkout() { }
protected String getRequestId() {
return "co"; //$NON-NLS-1$
}
protected ICommandOutputListener getDefaultCommandOutputListener() {
return DEFAULT_OUTPUT_LISTENER;
}
protected ICVSResource[] computeWorkResources(Session session, LocalOption[] localOptions,
String[] arguments) throws CVSException {
// We shouldn't have any arguments if we're fetching the module definitions
if (arguments.length < 1 && ! FETCH_MODULE_ALIASES.isElementOf(localOptions)) throw new IllegalArgumentException();
// We can determine the local directories using either the -d option or the module expansions
Option dOption = findOption(localOptions, "-d"); //$NON-NLS-1$
if (dOption != null) {
// Should we append the expansions to the -d argument?
return new ICVSResource[] {session.getLocalRoot().getFolder(dOption.argument)};
}
String[] modules = session.getModuleExpansions();
ICVSResource[] resources = new ICVSResource[modules.length];
for (int i = 0; i < resources.length; i++) {
resources[i] = session.getLocalRoot().getFolder(modules[i]);
}
return resources;
}
/**
* Start the Checkout command:
* Send the module that is going to be checked-out to the server
* by reading the name of the resource given
* (This has to change to we give it the name of the modul and the
* Checkout creates everything for us)
*/
protected ICVSResource[] sendLocalResourceState(Session session, GlobalOption[] globalOptions,
LocalOption[] localOptions, ICVSResource[] resources, IProgressMonitor monitor)
throws CVSException {
// We need a folder to put the project(s) we checkout into
Assert.isTrue(session.getLocalRoot().isFolder());
// Send the information about the local workspace resources to the server
List resourcesToSend = new ArrayList(resources.length);
for (int i = 0; i < resources.length; i++) {
ICVSResource resource = resources[i];
if (resource.exists() && resource.isFolder() && ((ICVSFolder)resource).isCVSFolder()) {
resourcesToSend.add(resource);
}
}
if ( ! resourcesToSend.isEmpty()) {
resources = (ICVSResource[]) resourcesToSend.toArray(new ICVSResource[resourcesToSend.size()]);
new FileStructureVisitor(session, true, true).visit(session, resources, monitor);
} else {
monitor.beginTask(null, 100);
monitor.done();
}
return resources;
}
protected void sendLocalWorkingDirectory(Session session) throws CVSException {
session.sendConstructedRootDirectory();
}
/**
* On sucessful finish, prune empty directories if
* the -P option was specified (or is implied by -D or -r)
*/
protected IStatus commandFinished(Session session, GlobalOption[] globalOptions,
LocalOption[] localOptions, ICVSResource[] resources, IProgressMonitor monitor,
IStatus status) throws CVSException {
// If we didn't succeed, don't do any post processing
if (status.getCode() == CVSStatus.SERVER_ERROR) {
return status;
}
// If we are retrieving the modules file, ignore other options
if (FETCH_MODULE_ALIASES.isElementOf(localOptions)) return status;
// If we are pruning (-P) or getting a sticky copy (-D or -r), then prune empty directories
if (PRUNE_EMPTY_DIRECTORIES.isElementOf(localOptions) ||
(findOption(localOptions, "-D") != null) || //$NON-NLS-1$
(findOption(localOptions, "-r") != null)) { //$NON-NLS-1$
// Prune empty directories
new PruneFolderVisitor().visit(session, resources);
}
return status;
}
/**
* Override execute to perform a expand-modules before the checkout
*/
protected IStatus doExecute(Session session, GlobalOption[] globalOptions,
LocalOption[] localOptions, String[] arguments, ICommandOutputListener listener,
IProgressMonitor monitor) throws CVSException {
monitor.beginTask(null, 100);
if ( ! FETCH_MODULE_ALIASES.isElementOf(localOptions)) {
// Execute the expand-modules command.
// This will put the expansions in the session for later retrieval
IStatus status = Request.EXPAND_MODULES.execute(session, arguments, Policy.subMonitorFor(monitor, 10));
if (status.getCode() == CVSStatus.SERVER_ERROR)
return status;
// If -d is not included in the local options, then send -N (do not shorten directory paths)
// to the server (as is done by other cvs clients)
if (findOption(localOptions, "-d") == null) { //$NON-NLS-1$
if ( ! DO_NOT_SHORTEN.isElementOf(localOptions)) {
LocalOption[] newLocalOptions = new LocalOption[localOptions.length + 1];
newLocalOptions[0] = DO_NOT_SHORTEN;
System.arraycopy(localOptions, 0, newLocalOptions, 1, localOptions.length);
localOptions = newLocalOptions;
}
}
}
return super.doExecute(session, globalOptions, localOptions, arguments, listener, Policy.subMonitorFor(monitor, 90));
}
/**
* Perform a checkout to get the module expansions defined in the CVSROOT/modules file
*/
public RemoteModule[] getRemoteModules(Session session, CVSTag tag, IProgressMonitor monitor)
throws CVSException {
ModuleDefinitionsListener moduleDefinitionListener = new ModuleDefinitionsListener();
IStatus status = super.execute(session, NO_GLOBAL_OPTIONS, new LocalOption[] {FETCH_MODULE_ALIASES}, NO_ARGUMENTS,
moduleDefinitionListener, monitor);
if (status.getCode() == CVSStatus.SERVER_ERROR) {
throw new CVSServerException(status);
}
return RemoteModule.createRemoteModules(moduleDefinitionListener.getModuleExpansions(), session.getCVSRepositoryLocation(), tag);
}
}
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