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/*******************************************************************************
* Copyright (c) 2016, Matthias Sohn and others.
* 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.core.internal.util;
import java.io.File;
import java.net.URISyntaxException;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.resources.ResourcesPlugin;
import org.eclipse.core.runtime.IPath;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Path;
import org.eclipse.egit.core.internal.CoreText;
import org.eclipse.jgit.annotations.Nullable;
import org.eclipse.jgit.transport.URIish;
import org.eclipse.osgi.util.NLS;
/**
* Checker for path suitable for storing a git repository
*/
public class RepositoryPathChecker {
private boolean hasContent;
private String errorMessage;
/**
* Check if the given directory path is a valid local absolute repository
* path
*
* @param dir
* the directory path to check
* @return {@code true} if the repository path is valid
*/
public boolean check(String dir) {
hasContent = false;
errorMessage = null;
if (dir.length() == 0) {
errorMessage = CoreText.RepositoryPathChecker_errAbsoluteRepoPath;
return false;
}
if (dir.startsWith("git clone")) { //$NON-NLS-1$
errorMessage = CoreText.RepositoryPathChecker_errNoCloneCommand;
return false;
}
if (isURL(dir)) {
errorMessage = CoreText.RepositoryPathChecker_errNoURL;
return false;
}
File testFile = new File(dir);
IPath path = Path.fromOSString(dir);
for (String segment : path.segments()) {
IStatus status = ResourcesPlugin.getWorkspace()
.validateName(segment, IResource.FOLDER);
if (!status.isOK()) {
errorMessage = status.getMessage();
return false;
}
}
if (!path.isAbsolute()) {
errorMessage = NLS.bind(CoreText.RepositoryPathChecker_errNotAbsoluteRepoPath,
dir);
return false;
}
if (testFile.exists() && !testFile.isDirectory()) {
errorMessage = NLS.bind(CoreText.RepositoryPathChecker_errNoDirectory, dir);
return false;
}
hasContent = testFile.exists() && testFile.list().length > 0;
return true;
}
private boolean isURL(String dir) {
try {
URIish u = new URIish(dir);
return u.isRemote() || u.getScheme() != null;
} catch (URISyntaxException e) {
// skip
}
return false;
}
/**
* @return {@code true} if the directory exists and already has content
*/
public boolean hasContent() {
return hasContent;
}
/**
* @return the error message if the path is invalid
*/
public @Nullable String getErrorMessage() {
return errorMessage;
}
}
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