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/*******************************************************************************
* Copyright (C) 2011, Jens Baumgart <jens.baumgart@sap.com>
*
* 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;
import java.io.File;
import java.util.Collection;
import java.util.HashMap;
import java.util.Map;
import org.eclipse.core.resources.IFile;
import org.eclipse.core.resources.IWorkspaceRoot;
import org.eclipse.core.resources.ResourcesPlugin;
import org.eclipse.egit.core.project.RepositoryMapping;
import org.eclipse.jgit.lib.Repository;
/**
* FileChecker is used to check a set of files. It is checked whether resources
* exist for the files and if the resources are located in projects shared with
* Git
*
*/
public class FileChecker {
/**
* CheckResult provides the result of a file check. It contains a
* CheckResultEntry for each problematic file.
*/
public static class CheckResult {
private boolean isOk = true;
private boolean containsNonWorkspaceFiles = false;
private boolean containsNotSharedResources = false;
private Map<String, CheckResultEntry> problems = new HashMap<>();
/**
* @return true if there are no problems
*/
public boolean isOk() {
return isOk;
}
/**
* @return true if at least one checked file does not exist in the
* workspace
*/
public boolean containsNonWorkspaceFiles() {
return containsNonWorkspaceFiles;
}
/**
* @return true if at least one checked file has the following problem:
* a resource exists for the given file but all resources
* existing for the given file are not shared with Git
*/
public boolean containsNotSharedResources() {
return containsNotSharedResources;
}
/**
* @return map containing a problem description for each problematic
* file
*/
public Map<String, CheckResultEntry> getProblems() {
return problems;
}
void addEntry(String path, CheckResultEntry entry) {
isOk = false;
if (!entry.inWorkspace)
containsNonWorkspaceFiles = true;
if (entry.inWorkspace && !entry.shared)
containsNotSharedResources = true;
problems.put(path, entry);
}
/**
* @param path
* @return a {@link CheckResultEntry} if a problem occurred for the
* given file, null otherwise.
*/
public CheckResultEntry getEntry(String path) {
return problems.get(path);
}
}
/**
* CheckResultEntry describes the problem of a single file
*
*/
public static class CheckResultEntry {
/**
* True if the related object exists in the workspace
*/
final public boolean inWorkspace;
/**
* True if the related object exists in the workspace and is shared with
* Git (shared => inWorkspace)
*/
final public boolean shared;
/**
* @param inWorkspace
* @param shared
*/
public CheckResultEntry(boolean inWorkspace, boolean shared) {
this.inWorkspace = inWorkspace;
this.shared = shared;
}
}
/**
* The method checks a collection of files. Problems are reported for a
* file if no resource exists for the file or if the related resource is
* located in a project not shared with Git.
*
* @param repository
* @param files
* @return a {@link CheckResult} containing result of the check
*/
public static CheckResult checkFiles(Repository repository,
Collection<String> files) {
CheckResult result = new CheckResult();
IWorkspaceRoot root = ResourcesPlugin.getWorkspace().getRoot();
String workTreePath = repository.getWorkTree().getAbsolutePath();
for (String filePath : files) {
IFile[] filesForLocation = root.findFilesForLocationURI(new File(
workTreePath, filePath).toURI());
if (filesForLocation.length == 0) {
result.addEntry(filePath, new CheckResultEntry(false, false));
continue;
}
boolean mappedResourceFound = false;
for (IFile file : filesForLocation) {
if (RepositoryMapping.getMapping(file) != null) {
mappedResourceFound = true;
break;
}
}
if (!mappedResourceFound)
result.addEntry(filePath, new CheckResultEntry(true, false));
}
return result;
}
}
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