start implementation of log command for subversion

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

@@ -0,0 +1,161 @@
+/**
+ * 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 org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import org.tmatesoft.svn.core.SVNException;
+import org.tmatesoft.svn.core.SVNLogEntry;
+import org.tmatesoft.svn.core.io.SVNRepository;
+
+import sonia.scm.repository.Changeset;
+import sonia.scm.repository.ChangesetPagingResult;
+import sonia.scm.repository.Repository;
+import sonia.scm.repository.RepositoryException;
+import sonia.scm.repository.SvnUtil;
+import sonia.scm.util.Util;
+
+//~--- JDK imports ------------------------------------------------------------
+
+import java.io.File;
+import java.io.IOException;
+
+import java.util.Collection;
+
+/**
+ *
+ * @author Sebastian Sdorra
+ */
+public class SvnLogCommand extends AbstractSvnCommand implements LogCommand
+{
+
+  /**
+   * the logger for SvnLogCommand
+   */
+  private static final Logger logger =
+    LoggerFactory.getLogger(SvnLogCommand.class);
+
+  //~--- constructors ---------------------------------------------------------
+
+  /**
+   * Constructs ...
+   *
+   *
+   * @param repository
+   * @param repositoryDirectory
+   */
+  SvnLogCommand(Repository repository, File repositoryDirectory)
+  {
+    super(repository, repositoryDirectory);
+  }
+
+  //~--- get methods ----------------------------------------------------------
+
+  /**
+   * Method description
+   *
+   *
+   * @param revision
+   *
+   * @return
+   *
+   * @throws IOException
+   * @throws RepositoryException
+   */
+  @Override
+  public Changeset getChangeset(String revision)
+          throws IOException, RepositoryException
+  {
+    Changeset changeset = null;
+
+    if (logger.isDebugEnabled())
+    {
+      logger.debug("fetch changeset {}", revision);
+    }
+
+    SVNRepository repository = null;
+
+    try
+    {
+      long revisioNumber = Long.parseLong(revision);
+
+      repository = open();
+
+      Collection<SVNLogEntry> entries = repository.log(null, null,
+                                          revisioNumber, revisioNumber, true,
+                                          true);
+
+      if (Util.isNotEmpty(entries))
+      {
+        changeset = SvnUtil.createChangeset(entries.iterator().next());
+      }
+    }
+    catch (NumberFormatException ex)
+    {
+      if (logger.isWarnEnabled())
+      {
+        logger.warn("could not convert revision", ex);
+      }
+    }
+    catch (SVNException ex)
+    {
+      logger.error("could not open repository", ex);
+    }
+    finally
+    {
+      SvnUtil.closeSession(repository);
+    }
+
+    return changeset;
+  }
+
+  /**
+   * Method description
+   *
+   *
+   * @param request
+   *
+   * @return
+   *
+   * @throws IOException
+   * @throws RepositoryException
+   */
+  @Override
+  public ChangesetPagingResult getChangesets(LogCommandRequest request)
+          throws IOException, RepositoryException
+  {
+    throw new UnsupportedOperationException("Not supported yet.");
+  }
+}

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

@@ -55,7 +55,7 @@ public class SvnRepositoryServiceProvider extends RepositoryServiceProvider
   /** Field description */
   private static final Set<Command> COMMANDS = ImmutableSet.of(Command.BLAME,
                                                  Command.BROWSE, Command.CAT,
-                                                 Command.DIFF);
+                                                 Command.DIFF, Command.LOG);
 
   //~--- constructors ---------------------------------------------------------
 
@@ -123,6 +123,18 @@ public class SvnRepositoryServiceProvider extends RepositoryServiceProvider
     return new SvnDiffCommand(repository, repositoryDirectory);
   }
 
+  /**
+   * Method description
+   *
+   *
+   * @return
+   */
+  @Override
+  public SvnLogCommand getLogCommand()
+  {
+    return new SvnLogCommand(repository, repositoryDirectory);
+  }
+
   /**
    * Method description
    *