Java tutorial
package org.apache.maven.scm.provider.git.jgit.command.changelog; /* * Licensed to the Apache Software Foundation (ASF) under one * or more contributor license agreements. See the NOTICE file * distributed with this work for additional information * regarding copyright ownership. The ASF licenses this file * to you under the Apache License, Version 2.0 (the * "License"); you may not use this file except in compliance * with the License. You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, * software distributed under the License is distributed on an * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY * KIND, either express or implied. See the License for the * specific language governing permissions and limitations * under the License. */ import org.apache.maven.scm.ChangeSet; import org.apache.maven.scm.ScmBranch; import org.apache.maven.scm.ScmException; import org.apache.maven.scm.ScmFileSet; import org.apache.maven.scm.ScmVersion; import org.apache.maven.scm.command.changelog.AbstractChangeLogCommand; import org.apache.maven.scm.command.changelog.ChangeLogScmResult; import org.apache.maven.scm.command.changelog.ChangeLogSet; import org.apache.maven.scm.provider.ScmProviderRepository; import org.apache.maven.scm.provider.git.command.GitCommand; import org.apache.maven.scm.provider.git.jgit.command.JGitUtils; import org.eclipse.jgit.api.Git; import org.eclipse.jgit.errors.IncorrectObjectTypeException; import org.eclipse.jgit.errors.MissingObjectException; import org.eclipse.jgit.lib.Repository; import org.eclipse.jgit.revwalk.RevCommit; import org.eclipse.jgit.revwalk.RevSort; import java.io.File; import java.io.IOException; import java.util.ArrayList; import java.util.Date; import java.util.List; /** * @author <a href="mailto:struberg@yahoo.de">Mark Struberg</a> * @author Dominik Bartholdi (imod) * @since 1.9 */ public class JGitChangeLogCommand extends AbstractChangeLogCommand implements GitCommand { /** * {@inheritDoc} */ protected ChangeLogScmResult executeChangeLogCommand(ScmProviderRepository repo, ScmFileSet fileSet, ScmVersion startVersion, ScmVersion endVersion, String datePattern) throws ScmException { return executeChangeLogCommand(repo, fileSet, null, null, null, datePattern, startVersion, endVersion); } /** * {@inheritDoc} */ protected ChangeLogScmResult executeChangeLogCommand(ScmProviderRepository repo, ScmFileSet fileSet, Date startDate, Date endDate, ScmBranch branch, String datePattern) throws ScmException { return executeChangeLogCommand(repo, fileSet, startDate, endDate, branch, datePattern, null, null); } protected ChangeLogScmResult executeChangeLogCommand(ScmProviderRepository repo, ScmFileSet fileSet, Date startDate, Date endDate, ScmBranch branch, String datePattern, ScmVersion startVersion, ScmVersion endVersion) throws ScmException { Git git = null; try { git = Git.open(fileSet.getBasedir()); String startRev = startVersion != null ? startVersion.getName() : null; String endRev = endVersion != null ? endVersion.getName() : null; List<ChangeEntry> gitChanges = this.whatchanged(git.getRepository(), null, startRev, endRev, startDate, endDate, -1); List<ChangeSet> modifications = new ArrayList<ChangeSet>(gitChanges.size()); for (ChangeEntry change : gitChanges) { ChangeSet scmChange = new ChangeSet(); scmChange.setAuthor(change.getAuthorName()); scmChange.setComment(change.getBody()); scmChange.setDate(change.getAuthorDate()); scmChange.setRevision(change.getCommitHash()); // X TODO scmChange.setFiles( change.get ) modifications.add(scmChange); } ChangeLogSet changeLogSet = new ChangeLogSet(modifications, startDate, endDate); changeLogSet.setStartVersion(startVersion); changeLogSet.setEndVersion(endVersion); return new ChangeLogScmResult("JGit changelog", changeLogSet); } catch (Exception e) { throw new ScmException("JGit changelog failure!", e); } finally { JGitUtils.closeRepo(git); } } public List<ChangeEntry> whatchanged(Repository repo, RevSort[] sortings, String fromRev, String toRev, Date fromDate, Date toDate, int maxLines) throws MissingObjectException, IncorrectObjectTypeException, IOException { List<RevCommit> revs = JGitUtils.getRevCommits(repo, sortings, fromRev, toRev, fromDate, toDate, maxLines); List<ChangeEntry> changes = new ArrayList<ChangeEntry>(revs.size()); for (RevCommit c : revs) { ChangeEntry ce = new ChangeEntry(); ce.setAuthorDate(c.getAuthorIdent().getWhen()); ce.setAuthorEmail(c.getAuthorIdent().getEmailAddress()); ce.setAuthorName(c.getAuthorIdent().getName()); ce.setCommitterDate(c.getCommitterIdent().getWhen()); ce.setCommitterEmail(c.getCommitterIdent().getEmailAddress()); ce.setCommitterName(c.getCommitterIdent().getName()); ce.setSubject(c.getShortMessage()); ce.setBody(c.getFullMessage()); ce.setCommitHash(c.getId().name()); ce.setTreeHash(c.getTree().getId().name()); // X TODO missing: file list changes.add(ce); } return changes; } /** * */ public static final class ChangeEntry { private String commitHash; private String treeHash; private String authorName; private String authorEmail; private Date authorDate; private String committerName; private String committerEmail; private Date committerDate; private String subject; private String body; private List<File> files; public String getCommitHash() { return commitHash; } public void setCommitHash(String commitHash) { this.commitHash = commitHash; } public String getTreeHash() { return treeHash; } public void setTreeHash(String treeHash) { this.treeHash = treeHash; } public String getAuthorName() { return authorName; } public void setAuthorName(String authorName) { this.authorName = authorName; } public String getAuthorEmail() { return authorEmail; } public void setAuthorEmail(String authorEmail) { this.authorEmail = authorEmail; } public Date getAuthorDate() { return authorDate; } public void setAuthorDate(Date authorDate) { this.authorDate = authorDate; } public String getCommitterName() { return committerName; } public void setCommitterName(String committerName) { this.committerName = committerName; } public String getCommitterEmail() { return committerEmail; } public void setCommitterEmail(String committerEmail) { this.committerEmail = committerEmail; } public Date getCommitterDate() { return committerDate; } public void setCommitterDate(Date committerDate) { this.committerDate = committerDate; } public String getSubject() { return subject; } public void setSubject(String subject) { this.subject = subject; } public String getBody() { return body; } public void setBody(String body) { this.body = body; } public List<File> getFiles() { return files; } public void setFiles(List<File> files) { this.files = files; } } }