implement blame command for mercurial

scm-plugins/scm-hg-plugin/src/main/java/sonia/scm/repository/spi/HgBlameCommand.java

@@ -0,0 +1,109 @@
+/**
+ * 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 sonia.scm.repository.BlameResult;
+import sonia.scm.repository.HgContext;
+import sonia.scm.repository.HgPythonScript;
+import sonia.scm.repository.HgRepositoryHandler;
+import sonia.scm.repository.Repository;
+import sonia.scm.repository.RepositoryException;
+
+//~--- JDK imports ------------------------------------------------------------
+
+import java.io.File;
+import java.io.IOException;
+
+import java.util.Map;
+
+/**
+ *
+ * @author Sebastian Sdorra
+ */
+public class HgBlameCommand extends AbstractHgCommand implements BlameCommand
+{
+
+  /**
+   * the logger for HgBlameCommand
+   */
+  private static final Logger logger =
+    LoggerFactory.getLogger(HgBlameCommand.class);
+
+  //~--- constructors ---------------------------------------------------------
+
+  /**
+   * Constructs ...
+   *
+   *
+   * @param handler
+   * @param context
+   * @param repository
+   * @param repositoryDirectory
+   */
+  public HgBlameCommand(HgRepositoryHandler handler, HgContext context,
+                        Repository repository, File repositoryDirectory)
+  {
+    super(handler, context, repository, repositoryDirectory);
+  }
+
+  //~--- get methods ----------------------------------------------------------
+
+  /**
+   * Method description
+   *
+   *
+   * @param request
+   *
+   * @return
+   *
+   * @throws IOException
+   * @throws RepositoryException
+   */
+  @Override
+  public BlameResult getBlameResult(BlameCommandRequest request)
+          throws IOException, RepositoryException
+  {
+    if (logger.isDebugEnabled())
+    {
+      logger.debug("get blame result for {}", request);
+    }
+
+    Map<String, String> env = createEnvironment(request);
+
+    return getResultFromScript(BlameResult.class, HgPythonScript.BLAME, env);
+  }
+}

scm-plugins/scm-hg-plugin/src/main/java/sonia/scm/repository/spi/HgRepositoryServiceProvider.java

@@ -55,8 +55,9 @@ public class HgRepositoryServiceProvider extends RepositoryServiceProvider
 {
 
   /** Field description */
-  private static final Set<Command> COMMANDS = ImmutableSet.of(Command.BROWSE,
+  private static final Set<Command> COMMANDS = ImmutableSet.of(Command.BLAME,
-                                                 Command.CAT, Command.DIFF);
+                                                 Command.BROWSE, Command.CAT,
+                                                 Command.DIFF);
 
   //~--- constructors ---------------------------------------------------------
 
@@ -81,6 +82,19 @@ public class HgRepositoryServiceProvider extends RepositoryServiceProvider
 
   //~--- get methods ----------------------------------------------------------
 
+  /**
+   * Method description
+   *
+   *
+   * @return
+   */
+  @Override
+  public HgBlameCommand getBlameCommand()
+  {
+    return new HgBlameCommand(handler, hgContextProvider.get(), repository,
+                              repositoryDirectory);
+  }
+
   /**
    * Method description
    *