implement blame command for subversion

scm-plugins/scm-svn-plugin/src/main/java/sonia/scm/repository/spi/SvnBlameCommand.java

@@ -0,0 +1,139 @@
+/**
+ * Copyright (c) 2010, Sebastian Sdorra All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer. 2. Redistributions in
+ * binary form must reproduce the above copyright notice, this list of
+ * conditions and the following disclaimer in the documentation and/or other
+ * materials provided with the distribution. 3. Neither the name of SCM-Manager;
+ * nor the names of its contributors may be used to endorse or promote products
+ * derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR
+ * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * http://bitbucket.org/sdorra/scm-manager
+ *
+ */
+
+
+
+package sonia.scm.repository.spi;
+
+//~--- non-JDK imports --------------------------------------------------------
+
+import com.google.common.collect.Lists;
+
+import org.tmatesoft.svn.core.SVNException;
+import org.tmatesoft.svn.core.SVNURL;
+import org.tmatesoft.svn.core.auth.ISVNAuthenticationManager;
+import org.tmatesoft.svn.core.io.SVNRepository;
+import org.tmatesoft.svn.core.io.SVNRepositoryFactory;
+import org.tmatesoft.svn.core.wc.SVNLogClient;
+import org.tmatesoft.svn.core.wc.SVNRevision;
+
+import sonia.scm.repository.BlameLine;
+import sonia.scm.repository.BlameResult;
+import sonia.scm.repository.Repository;
+import sonia.scm.repository.RepositoryException;
+import sonia.scm.repository.SvnBlameHandler;
+import sonia.scm.repository.SvnUtil;
+import sonia.scm.util.Util;
+
+//~--- JDK imports ------------------------------------------------------------
+
+import java.io.File;
+import java.io.IOException;
+
+import java.util.List;
+
+/**
+ *
+ * @author Sebastian Sdorra
+ */
+public class SvnBlameCommand extends AbstractSvnCommand implements BlameCommand
+{
+
+  /**
+   * Constructs ...
+   *
+   *
+   * @param repository
+   * @param repositoryDirectory
+   */
+  public SvnBlameCommand(Repository repository, File repositoryDirectory)
+  {
+    super(repository, repositoryDirectory);
+  }
+
+  //~--- get methods ----------------------------------------------------------
+
+  /**
+   * Method description
+   *
+   *
+   * @param request
+   *
+   * @return
+   *
+   * @throws IOException
+   * @throws RepositoryException
+   */
+  @Override
+  public BlameResult getBlameResult(BlameCommandRequest request)
+          throws IOException, RepositoryException
+  {
+    String path = request.getPath();
+    String revision = request.getRevision();
+    List<BlameLine> blameLines = Lists.newArrayList();
+    SVNRepository svnRepository = null;
+    SVNURL svnurl = null;
+    SVNRevision endRevision = null;
+
+    if (Util.isNotEmpty(revision))
+    {
+      endRevision = SVNRevision.create(Long.parseLong(revision));
+    }
+    else
+    {
+      endRevision = SVNRevision.HEAD;
+    }
+
+    try
+    {
+      svnurl = SVNURL.fromFile(new File(repositoryDirectory, path));
+      svnRepository =
+        SVNRepositoryFactory.create(SVNURL.fromFile(repositoryDirectory));
+
+      ISVNAuthenticationManager svnManager =
+        svnRepository.getAuthenticationManager();
+      SVNLogClient svnLogClient = new SVNLogClient(svnManager, null);
+
+      svnLogClient.doAnnotate(svnurl, SVNRevision.UNDEFINED,
+                              SVNRevision.create(1l), endRevision,
+                              new SvnBlameHandler(svnRepository, path,
+                                blameLines));
+    }
+    catch (SVNException ex)
+    {
+      throw new RepositoryException("could not create blame result", ex);
+    }
+    finally
+    {
+      SvnUtil.closeSession(svnRepository);
+    }
+
+    return new BlameResult(blameLines.size(), blameLines);
+  }
+}

scm-plugins/scm-svn-plugin/src/main/java/sonia/scm/repository/spi/SvnRepositoryServiceProvider.java

@@ -53,8 +53,9 @@ public class SvnRepositoryServiceProvider extends RepositoryServiceProvider
 {
 
   /** Field description */
-  private static final Set<Command> COMMANDS = ImmutableSet.of(Command.BROWSE,
-                                                 Command.CAT, Command.DIFF);
+  private static final Set<Command> COMMANDS = ImmutableSet.of(Command.BLAME,
+                                                 Command.BROWSE, Command.CAT,
+                                                 Command.DIFF);
 
   //~--- constructors ---------------------------------------------------------
 
@@ -74,6 +75,18 @@ public class SvnRepositoryServiceProvider extends RepositoryServiceProvider
 
   //~--- get methods ----------------------------------------------------------
 
+  /**
+   * Method description
+   *
+   *
+   * @return
+   */
+  @Override
+  public SvnBlameCommand getBlameCommand()
+  {
+    return new SvnBlameCommand(repository, repositoryDirectory);
+  }
+
   /**
    * Method description
    *