| /******************************************************************************* |
| * Copyright (c) 2018-2020 Aston University. |
| * |
| * This program and the accompanying materials are made available under the |
| * terms of the Eclipse Public License 2.0 which is available at |
| * http://www.eclipse.org/legal/epl-2.0. |
| * |
| * This Source Code may also be made available under the following Secondary |
| * Licenses when the conditions for such availability set forth in the Eclipse |
| * Public License, v. 2.0 are satisfied: GNU General Public License, version 3. |
| * |
| * SPDX-License-Identifier: EPL-2.0 OR GPL-3.0 |
| * |
| * Contributors: |
| * Antonio Garcia-Dominguez - initial API and implementation |
| ******************************************************************************/ |
| package org.eclipse.hawk.localfolder; |
| |
| import java.io.ByteArrayOutputStream; |
| import java.io.File; |
| import java.io.FileInputStream; |
| import java.io.IOException; |
| import java.security.DigestInputStream; |
| import java.security.MessageDigest; |
| import java.security.NoSuchAlgorithmException; |
| import java.util.List; |
| |
| import org.apache.commons.io.IOUtils; |
| import org.eclipse.hawk.core.IConsole; |
| import org.eclipse.hawk.core.ICredentialsStore; |
| import org.eclipse.hawk.core.IVcsManager; |
| import org.eclipse.hawk.core.VcsCommitItem; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| public abstract class FileBasedLocation implements IVcsManager { |
| |
| private static final Logger LOGGER = LoggerFactory.getLogger(LocalFolder.class); |
| |
| protected static final String FIRST_REV = "0"; |
| |
| protected IConsole console; |
| protected String repositoryURL; |
| private boolean isFrozen = false; |
| |
| @Override |
| public String getLocation() { |
| return repositoryURL; |
| } |
| |
| @Override |
| public void setCredentials(String username, String password, ICredentialsStore credStore) { |
| // ignore |
| } |
| |
| protected String makeRelative(String base, String extension) { |
| if (!extension.startsWith(base)) { |
| return extension; |
| } |
| return extension.substring(base.length()); |
| } |
| |
| @Override |
| public boolean isAuthSupported() { |
| return false; |
| } |
| |
| @Override |
| public boolean isPathLocationAccepted() { |
| return true; |
| } |
| |
| @Override |
| public boolean isURLLocationAccepted() { |
| return true; |
| } |
| |
| @Override |
| public String getRepositoryPath(String rawPath) { |
| final String emfUriPrefix = getLocation().replaceFirst("file:///", "file:/"); |
| if (rawPath.startsWith(emfUriPrefix)) { |
| return rawPath.substring(emfUriPrefix.length()); |
| } |
| return rawPath; |
| } |
| |
| @Override |
| public String getUsername() { |
| return null; |
| } |
| |
| @Override |
| public String getPassword() { |
| return null; |
| } |
| |
| @Override |
| public boolean isFrozen() { |
| return isFrozen; |
| } |
| |
| @Override |
| public void setFrozen(boolean f) { |
| isFrozen = f; |
| } |
| |
| @Override |
| public String getFirstRevision() throws Exception { |
| return FIRST_REV; |
| } |
| |
| @Override |
| public String getCurrentRevision() { |
| return getCurrentRevision(false); |
| } |
| |
| protected abstract String getCurrentRevision(boolean alter); |
| |
| @Override |
| public void run() { |
| /* nothing */ |
| } |
| |
| @Override |
| public List<VcsCommitItem> getDelta(String startRevision) throws Exception { |
| return getDelta(startRevision, "HEAD").getCompactedCommitItems(); |
| } |
| |
| protected byte[] digestFile(File f) throws IOException { |
| try { |
| final MessageDigest md = MessageDigest.getInstance("SHA"); |
| final ByteArrayOutputStream bos = new ByteArrayOutputStream(); |
| try (FileInputStream is = new FileInputStream(f); |
| DigestInputStream dis = new DigestInputStream(is, md)) { |
| IOUtils.copy(dis, bos); |
| } |
| return md.digest(); |
| } catch (NoSuchAlgorithmException ex) { |
| LOGGER.error(ex.getMessage(), ex); |
| return new byte[0]; |
| } |
| } |
| |
| } |