apply patch for blame support from naver.com

scm-core/src/main/java/sonia/scm/repository/AbstractRepositoryHandler.java

@@ -186,6 +186,20 @@ public abstract class AbstractRepositoryHandler<C extends SimpleRepositoryConfig
 
   //~--- get methods ----------------------------------------------------------
 
+  /**
+   * Method description
+   *
+   *
+   * @param repository
+   *
+   * @return
+   */
+  @Override
+  public BlameViewer getBlameViewer(Repository repository)
+  {
+    return null;
+  }
+
   /**
    * Method description
    *

scm-core/src/main/java/sonia/scm/repository/BlameLine.java

@@ -0,0 +1,206 @@
+/**
+ * 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;
+
+//~--- JDK imports ------------------------------------------------------------
+
+import java.util.Date;
+
+/**
+ * Class description
+ *
+ *
+ * @version        Enter version here..., 11/09/14
+ * @author         Enter your name here...
+ */
+public class BlameLine
+{
+
+  /**
+   * Constructs ...
+   *
+   */
+  public BlameLine() {}
+
+  /**
+   * Constructs ...
+   *
+   *
+   * @param emailAddress
+   * @param name
+   * @param when
+   * @param code
+   * @param lineNumber
+   */
+  public BlameLine(String emailAddress, String name, Date when, String code,
+                   int lineNumber)
+  {
+    this.emailAddress = emailAddress;
+    this.name = name;
+    this.when = when;
+    this.code = code;
+    this.lineNumber = lineNumber;
+  }
+
+  //~--- get methods ----------------------------------------------------------
+
+  /**
+   * Method description
+   *
+   *
+   * @return
+   */
+  public String getCode()
+  {
+    return code;
+  }
+
+  /**
+   * Method description
+   *
+   *
+   * @return
+   */
+  public String getEmailAddress()
+  {
+    return emailAddress;
+  }
+
+  /**
+   * Method description
+   *
+   *
+   * @return
+   */
+  public int getLineNumber()
+  {
+    return lineNumber;
+  }
+
+  /**
+   * Method description
+   *
+   *
+   * @return
+   */
+  public String getName()
+  {
+    return name;
+  }
+
+  /**
+   * Method description
+   *
+   *
+   * @return
+   */
+  public Date getWhen()
+  {
+    return when;
+  }
+
+  //~--- set methods ----------------------------------------------------------
+
+  /**
+   * Method description
+   *
+   *
+   * @param code
+   */
+  public void setCode(String code)
+  {
+    this.code = code;
+  }
+
+  /**
+   * Method description
+   *
+   *
+   * @param emailAddress
+   */
+  public void setEmailAddress(String emailAddress)
+  {
+    this.emailAddress = emailAddress;
+  }
+
+  /**
+   * Method description
+   *
+   *
+   * @param lineNumber
+   */
+  public void setLineNumber(int lineNumber)
+  {
+    this.lineNumber = lineNumber;
+  }
+
+  /**
+   * Method description
+   *
+   *
+   * @param name
+   */
+  public void setName(String name)
+  {
+    this.name = name;
+  }
+
+  /**
+   * Method description
+   *
+   *
+   * @param when
+   */
+  public void setWhen(Date when)
+  {
+    this.when = when;
+  }
+
+  //~--- fields ---------------------------------------------------------------
+
+  /** Field description */
+  private String code;
+
+  /** Field description */
+  private String emailAddress;
+
+  /** Field description */
+  private int lineNumber;
+
+  /** Field description */
+  private String name;
+
+  /** Field description */
+  private Date when;
+}

scm-core/src/main/java/sonia/scm/repository/BlamePagingResult.java

@@ -0,0 +1,134 @@
+/**
+ * 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;
+
+//~--- JDK imports ------------------------------------------------------------
+
+import java.util.List;
+
+import javax.xml.bind.annotation.XmlAccessType;
+import javax.xml.bind.annotation.XmlAccessorType;
+import javax.xml.bind.annotation.XmlElement;
+import javax.xml.bind.annotation.XmlElementWrapper;
+import javax.xml.bind.annotation.XmlRootElement;
+
+/**
+ * Class description
+ *
+ *
+ * @version        Enter version here..., 11/09/14
+ * @author         Enter your name here...    
+ */
+@XmlRootElement(name = "blame-paging")
+@XmlAccessorType(XmlAccessType.FIELD)
+public class BlamePagingResult
+{
+
+  /**
+   * Constructs ...
+   *
+   */
+  public BlamePagingResult() {}
+
+  /**
+   * Constructs ...
+   *
+   *
+   * @param total
+   * @param blameLines
+   */
+  public BlamePagingResult(int total, List<BlameLine> blameLines)
+  {
+    this.total = total;
+    this.blameLines = blameLines;
+  }
+
+  //~--- get methods ----------------------------------------------------------
+
+  /**
+   * Method description
+   *
+   *
+   * @return
+   */
+  public List<BlameLine> getBlameLines()
+  {
+    return blameLines;
+  }
+
+  /**
+   * Method description
+   *
+   *
+   * @return
+   */
+  public int getTotal()
+  {
+    return total;
+  }
+
+  //~--- set methods ----------------------------------------------------------
+
+  /**
+   * Method description
+   *
+   *
+   * @param blameLines
+   */
+  public void setBlameLines(List<BlameLine> blameLines)
+  {
+    this.blameLines = blameLines;
+  }
+
+  /**
+   * Method description
+   *
+   *
+   * @param total
+   */
+  public void setTotal(int total)
+  {
+    this.total = total;
+  }
+
+  //~--- fields ---------------------------------------------------------------
+
+  /** Field description */
+  @XmlElement(name = "blameline")
+  @XmlElementWrapper(name = "blamelines")
+  private List<BlameLine> blameLines;
+
+  /** Field description */
+  private int total;
+}

scm-core/src/main/java/sonia/scm/repository/BlameViewer.java

@@ -0,0 +1,56 @@
+/**
+ * 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;
+
+/**
+ * Interface description
+ *
+ *
+ * @version        Enter version here..., 11/09/14
+ * @author         Enter your name here...
+ */
+public interface BlameViewer
+{
+
+  /**
+   * Method description
+   *
+   *
+   * @param revision
+   * @param path
+   *
+   * @return
+   */
+  public BlamePagingResult getBlame(String revision, String path);
+}

scm-core/src/main/java/sonia/scm/repository/BlameViewerUtil.java

@@ -0,0 +1,285 @@
+/**
+ * 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;
+
+//~--- non-JDK imports --------------------------------------------------------
+
+import com.google.inject.Inject;
+import com.google.inject.Singleton;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import sonia.scm.NotSupportedFeatuerException;
+import sonia.scm.cache.Cache;
+import sonia.scm.cache.CacheManager;
+import sonia.scm.util.AssertUtil;
+
+/**
+ * Class description
+ *
+ *
+ * @version        Enter version here..., 11/09/14
+ * @author         Enter your name here...    
+ */
+@Singleton
+public class BlameViewerUtil extends CacheClearHook
+{
+
+  /** Field description */
+  public static final String CACHE_NAME = "sonia.cache.repository.blame";
+
+  /** the logger for BlameViewerUtil */
+  private static final Logger logger =
+    LoggerFactory.getLogger(BlameViewerUtil.class);
+
+  //~--- constructors ---------------------------------------------------------
+
+  /**
+   * Constructs ...
+   *
+   *
+   * @param repositoryManager
+   * @param cacheManager
+   * @return
+   */
+  @Inject
+  public BlameViewerUtil(RepositoryManager repositoryManager,
+                         CacheManager cacheManager)
+  {
+    this.repositoryManager = repositoryManager;
+    this.cache = cacheManager.getCache(BlameViewerCacheKey.class,
+                                       BlamePagingResult.class, CACHE_NAME);
+    init(repositoryManager, cache);
+  }
+
+  //~--- get methods ----------------------------------------------------------
+
+  /**
+   * Method description
+   *
+   *
+   * @param repositoryId
+   * @param revision
+   * @param path
+   *
+   * @return
+   *
+   * @throws NotSupportedFeatuerException
+   * @throws RepositoryException
+   */
+  public BlamePagingResult getBlame(String repositoryId, String revision,
+                                    String path)
+          throws RepositoryException, NotSupportedFeatuerException
+  {
+    AssertUtil.assertIsNotEmpty(repositoryId);
+
+    Repository repository = repositoryManager.get(repositoryId);
+
+    if (repository == null)
+    {
+      throw new RepositoryNotFoundException(
+          "could not find repository with id ".concat(repositoryId));
+    }
+
+    return getBlame(repository, revision, path);
+  }
+
+  /**
+   * Method description
+   *
+   *
+   * @param repository
+   * @param revision
+   * @param path
+   *
+   * @return
+   *
+   * @throws NotSupportedFeatuerException
+   * @throws RepositoryException
+   */
+  public BlamePagingResult getBlame(Repository repository, String revision,
+                                    String path)
+          throws RepositoryException, NotSupportedFeatuerException
+  {
+    AssertUtil.assertIsNotNull(repository);
+
+    BlameViewer viewer = repositoryManager.getBlameViewer(repository);
+
+    if (viewer == null)
+    {
+      throw new NotSupportedFeatuerException(
+          "BlameViewer is not supported for type ".concat(
+            repository.getType()));
+    }
+
+    BlameViewerCacheKey key = new BlameViewerCacheKey(repository.getId(),
+                                revision, path);
+    BlamePagingResult result = cache.get(key);
+
+    if (result == null)
+    {
+      result = viewer.getBlame(revision, path);
+      cache.put(key, result);
+    }
+    else if (logger.isDebugEnabled())
+    {
+      logger.debug("fetch blameviewer results from cache");
+    }
+
+    return result;
+  }
+
+  //~--- inner classes --------------------------------------------------------
+
+  /**
+   * Class description
+   *
+   *
+   * @version        Enter version here...
+   * @author         Enter your name here...
+   */
+  private static class BlameViewerCacheKey
+  {
+
+    /**
+     * Constructs ...
+     *
+     *
+     * @param repositoryId
+     * @param revision
+     * @param path
+     */
+    public BlameViewerCacheKey(String repositoryId, String revision,
+                               String path)
+    {
+      this.repositoryId = repositoryId;
+      this.revision = revision;
+      this.path = path;
+    }
+
+    //~--- methods ------------------------------------------------------------
+
+    /**
+     * Method description
+     *
+     *
+     * @param obj
+     *
+     * @return
+     */
+    @Override
+    public boolean equals(Object obj)
+    {
+      if (obj == null)
+      {
+        return false;
+      }
+
+      if (getClass() != obj.getClass())
+      {
+        return false;
+      }
+
+      final BlameViewerCacheKey other = (BlameViewerCacheKey) obj;
+
+      if ((this.repositoryId == null)
+          ? (other.repositoryId != null)
+          : !this.repositoryId.equals(other.repositoryId))
+      {
+        return false;
+      }
+
+      if ((this.revision == null)
+          ? (other.revision != null)
+          : !this.revision.equals(other.revision))
+      {
+        return false;
+      }
+
+      if ((this.path == null)
+          ? (other.path != null)
+          : !this.path.equals(other.path))
+      {
+        return false;
+      }
+
+      return true;
+    }
+
+    /**
+     * Method description
+     *
+     *
+     * @return
+     */
+    @Override
+    public int hashCode()
+    {
+      int hash = 3;
+
+      hash = 53 * hash + ((this.repositoryId != null)
+                          ? this.repositoryId.hashCode()
+                          : 0);
+      hash = 53 * hash + ((this.revision != null)
+                          ? this.revision.hashCode()
+                          : 0);
+      hash = 53 * hash + ((this.path != null)
+                          ? this.path.hashCode()
+                          : 0);
+
+      return hash;
+    }
+
+    //~--- fields -------------------------------------------------------------
+
+    /** Field description */
+    private String path;
+
+    /** Field description */
+    private String repositoryId;
+
+    /** Field description */
+    private String revision;
+  }
+
+
+  //~--- fields ---------------------------------------------------------------
+
+  /** Field description */
+  private Cache<BlameViewerCacheKey, BlamePagingResult> cache;
+
+  /** Field description */
+  private RepositoryManager repositoryManager;
+}

scm-core/src/main/java/sonia/scm/repository/RepositoryHandler.java

@@ -63,6 +63,19 @@ public interface RepositoryHandler
 
   //~--- get methods ----------------------------------------------------------
 
+  /**
+   * Method description
+   *
+   *
+   * @param repository
+   *
+   * @return
+   *
+   * @throws RepositoryException
+   */
+  public BlameViewer getBlameViewer(Repository repository)
+          throws RepositoryException;
+
   /**
    * Method description
    *

scm-core/src/main/java/sonia/scm/repository/RepositoryManager.java

@@ -64,6 +64,19 @@ public interface RepositoryManager
    */
   public Repository get(String type, String name);
 
+  /**
+   * Method description
+   *
+   *
+   *
+   * @param repository
+   * @return null if BlameViewer is not supported
+   *
+   * @throws RepositoryException
+   */
+  public BlameViewer getBlameViewer(Repository repository)
+          throws RepositoryException;
+
   /**
    * Method description
    *

scm-plugins/scm-git-plugin/src/main/java/sonia/scm/repository/GitBlameViewer.java

@@ -0,0 +1,156 @@
+/**
+ * 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;
+
+//~--- non-JDK imports --------------------------------------------------------
+
+import org.eclipse.jgit.api.BlameCommand;
+import org.eclipse.jgit.api.Git;
+import org.eclipse.jgit.blame.BlameResult;
+import org.eclipse.jgit.lib.PersonIdent;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import sonia.scm.util.AssertUtil;
+
+//~--- JDK imports ------------------------------------------------------------
+
+import java.io.File;
+import java.io.IOException;
+
+import java.util.ArrayList;
+import java.util.List;
+
+/**
+ * Class description
+ *
+ *
+ * @version        Enter version here..., 11/09/14
+ * @author         Enter your name here...
+ */
+public class GitBlameViewer implements BlameViewer
+{
+
+  /** the logger for GitChangesetViewer */
+  private static final Logger logger =
+    LoggerFactory.getLogger(GitChangesetViewer.class);
+
+  //~--- constructors ---------------------------------------------------------
+
+  /**
+   * Constructs ...
+   *
+   *
+   * @param handler
+   * @param repository
+   */
+  public GitBlameViewer(GitRepositoryHandler handler, Repository repository)
+  {
+    this.handler = handler;
+    this.repository = repository;
+  }
+
+  //~--- get methods ----------------------------------------------------------
+
+  /**
+   * Method description
+   *
+   *
+   * @param revision
+   * @param path
+   *
+   * @return
+   */
+  @Override
+  public BlamePagingResult getBlame(String revision, String path)
+  {
+    BlameResult blameResult = null;
+    BlamePagingResult blamePagingResult = null;
+    org.eclipse.jgit.lib.Repository gr = null;
+    File directory = handler.getDirectory(repository);
+    Git git = null;
+
+    try
+    {
+      gr = GitUtil.open(directory);
+      git = new Git(gr);
+
+      BlameCommand blame = git.blame();
+
+      if (path != null)
+      {
+        blame.setFilePath(path);
+      }
+
+      blameResult = blame.call();
+      AssertUtil.assertIsNotNull(blameResult);
+
+      List<BlameLine> blameLines = new ArrayList<BlameLine>();
+      int total = blameResult.getResultContents().size();
+
+      for (int i = 0; i < total; i++)
+      {
+        PersonIdent author = blameResult.getSourceAuthor(i);
+        BlameLine blameLine = new BlameLine();
+
+        blameLine.setLineNumber(i);
+        blameLine.setName(author.getName());
+        blameLine.setEmailAddress(author.getEmailAddress());
+        blameLine.setWhen(author.getWhen());
+
+        String content = blameResult.getResultContents().getString(i);
+
+        blameLine.setCode(content);
+        blameLines.add(blameLine);
+      }
+
+      blamePagingResult = new BlamePagingResult(total, blameLines);
+    }
+    catch (IOException ex)
+    {
+      logger.error("could not open repository", ex);
+    }
+
+    return blamePagingResult;
+  }
+
+  //~--- fields ---------------------------------------------------------------
+
+  /** Field description */
+  private GitRepositoryHandler handler;
+
+  /** Field description */
+  private Repository repository;
+}

scm-plugins/scm-git-plugin/src/main/java/sonia/scm/repository/GitRepositoryHandler.java

@@ -88,6 +88,37 @@ public class GitRepositoryHandler
 
   //~--- get methods ----------------------------------------------------------
 
+  /**
+   * Method description
+   *
+   *
+   * @param repository
+   *
+   * @return
+   */
+  @Override
+  public BlameViewer getBlameViewer(Repository repository)
+  {
+    GitBlameViewer blameViewer = null;
+
+    AssertUtil.assertIsNotNull(repository);
+
+    String type = repository.getType();
+
+    AssertUtil.assertIsNotEmpty(type);
+
+    if (TYPE_NAME.equals(type))
+    {
+      blameViewer = new GitBlameViewer(this, repository);
+    }
+    else
+    {
+      throw new IllegalArgumentException("git repository is required");
+    }
+
+    return blameViewer;
+  }
+
   /**
    * Method description
    *

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

@@ -187,6 +187,20 @@ public class HgRepositoryHandler
 
   //~--- get methods ----------------------------------------------------------
 
+  /**
+   * Method description
+   *
+   *
+   * @param repository
+   *
+   * @return
+   */
+  @Override
+  public BlameViewer getBlameViewer(Repository repository)
+  {
+    return null;
+  }
+
   /**
    * Method description
    *

scm-plugins/scm-svn-plugin/src/main/java/sonia/scm/repository/SvnBlameViewer.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;
+
+//~--- non-JDK imports --------------------------------------------------------
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+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.ISVNAnnotateHandler;
+import org.tmatesoft.svn.core.wc.SVNLogClient;
+import org.tmatesoft.svn.core.wc.SVNRevision;
+
+//~--- JDK imports ------------------------------------------------------------
+
+import java.io.File;
+
+import java.util.ArrayList;
+import java.util.Date;
+import java.util.List;
+
+/**
+ * Class description
+ *
+ *
+ * @version        Enter version here..., 11/09/14
+ * @author         Enter your name here...
+ */
+public class SvnBlameViewer implements BlameViewer
+{
+
+  /** the logger for SvnChangesetViewer */
+  private static final Logger logger =
+    LoggerFactory.getLogger(SvnChangesetViewer.class);
+
+  //~--- constructors ---------------------------------------------------------
+
+  /**
+   * Constructs ...
+   *
+   *
+   * @param handler
+   * @param repository
+   */
+  public SvnBlameViewer(SvnRepositoryHandler handler, Repository repository)
+  {
+    this.handler = handler;
+    this.repository = repository;
+  }
+
+  //~--- get methods ----------------------------------------------------------
+
+  /**
+   * Method description
+   *
+   *
+   * @param revision
+   * @param path
+   *
+   * @return
+   */
+  @Override
+  public BlamePagingResult getBlame(String revision, String path)
+  {
+    final List<BlameLine> blameLines = new ArrayList<BlameLine>();
+    File directory = handler.getDirectory(repository);
+    SVNRepository repository = null;
+    SVNURL svnurl = null;
+    int total = 0;
+
+    try
+    {
+      svnurl = SVNURL.fromFile(new File(directory, path));
+      repository = SVNRepositoryFactory.create(SVNURL.fromFile(directory));
+
+      ISVNAuthenticationManager svnManager =
+        repository.getAuthenticationManager();
+      SVNLogClient svnLogClient = new SVNLogClient(svnManager, null);
+
+      svnLogClient.doAnnotate(svnurl, SVNRevision.HEAD, SVNRevision.HEAD,
+                              SVNRevision.HEAD, new ISVNAnnotateHandler()
+      {
+        @Override
+        public void handleLine(Date date, long revision, String author,
+                               String line)
+                throws SVNException
+        {
+
+          // Not Used
+        }
+        @Override
+        public void handleLine(Date date, long revision, String author,
+                               String line, Date mergedDate,
+                               long mergedRevision, String mergedAuthor,
+                               String mergedPath, int lineNumber)
+                throws SVNException
+        {
+          blameLines.add(new BlameLine(null, author, date, line, lineNumber));
+        }
+        @Override
+        public boolean handleRevision(Date date, long revision, String author,
+                                      File contents)
+                throws SVNException
+        {
+          return false;
+        }
+        @Override
+        public void handleEOF() {}
+      });
+    }
+    catch (Exception ex) {}
+
+    total = blameLines.get(blameLines.size() - 1).getLineNumber();
+
+    return new BlamePagingResult(total, blameLines);
+  }
+
+  //~--- fields ---------------------------------------------------------------
+
+  /** Field description */
+  private SvnRepositoryHandler handler;
+
+  /** Field description */
+  private Repository repository;
+}

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

@@ -144,7 +144,29 @@ public class SvnRepositoryHandler
     return changesetViewer;
   }
 
-  /**
+  @Override
+  public BlameViewer getBlameViewer(Repository repository) {
+  	SvnBlameViewer blameViewer = null;
+
+  	AssertUtil.assertIsNotNull(repository);
+
+  	String type = repository.getType();
+
+  	AssertUtil.assertIsNotEmpty(type);
+
+  	if (TYPE_NAME.equals(type))
+  	{
+  		blameViewer = new SvnBlameViewer(this, repository);
+  	}
+  	else
+  	{
+  		throw new IllegalArgumentException("svn repository is required");
+  	}
+
+  	return blameViewer;
+  }
+
+	/**
    * Method description
    *
    *

scm-webapp/src/main/java/sonia/scm/api/rest/resources/RepositoryResource.java

@@ -44,6 +44,8 @@ import org.slf4j.LoggerFactory;
 
 import sonia.scm.NotSupportedFeatuerException;
 import sonia.scm.config.ScmConfiguration;
+import sonia.scm.repository.BlamePagingResult;
+import sonia.scm.repository.BlameViewerUtil;
 import sonia.scm.repository.BrowserResult;
 import sonia.scm.repository.ChangesetPagingResult;
 import sonia.scm.repository.ChangesetViewerUtil;
@@ -59,6 +61,7 @@ import sonia.scm.repository.RepositoryHandler;
 import sonia.scm.repository.RepositoryManager;
 import sonia.scm.repository.RepositoryNotFoundException;
 import sonia.scm.repository.RevisionNotFoundException;
+import sonia.scm.util.AssertUtil;
 import sonia.scm.util.HttpUtil;
 import sonia.scm.web.security.WebSecurityContext;
 
@@ -116,7 +119,8 @@ public class RepositoryResource
           ScmConfiguration configuration, RepositoryManager repositoryManager,
           Provider<WebSecurityContext> securityContextProvider,
           ChangesetViewerUtil changesetViewerUtil,
-          RepositoryBrowserUtil repositoryBrowserUtil)
+          RepositoryBrowserUtil repositoryBrowserUtil,
+          BlameViewerUtil blameViewerUtil)
   {
     super(repositoryManager);
     this.configuration = configuration;
@@ -124,6 +128,7 @@ public class RepositoryResource
     this.securityContextProvider = securityContextProvider;
     this.changesetViewerUtil = changesetViewerUtil;
     this.repositoryBrowserUtil = repositoryBrowserUtil;
+    this.blameViewerUtil = blameViewerUtil;
     setDisableCache(false);
   }
 
@@ -224,6 +229,37 @@ public class RepositoryResource
 
     return response;
   }
+  
+  @GET
+  @Path("{id}/blame")
+  public Response blame(@PathParam("id") String id,
+  			@QueryParam("revision") String revision,
+  			@QueryParam("path") String path)
+  {
+  	Response response = null;
+  	
+    try {
+    	AssertUtil.assertIsNotNull(path);
+	  	BlamePagingResult blamePagingResult = blameViewerUtil.getBlame(id, revision, path);
+	  	
+	  	if (blamePagingResult != null) {
+	  		response = Response.ok(blamePagingResult).build();
+	  	}
+	  	else 
+	  	{
+	  		response = Response.ok().build();
+	  	}
+    } catch (IllegalStateException ex) {
+    	response = Response.status(Response.Status.NOT_FOUND).build();
+    } catch (RepositoryException ex) {
+      response = Response.status(Response.Status.NOT_FOUND).build();
+    } catch (NotSupportedFeatuerException ex) {
+      response = Response.status(Response.Status.BAD_REQUEST).build();
+    }
+    
+    return response;
+  }
+
 
   /**
    * Method description
@@ -512,10 +548,13 @@ public class RepositoryResource
 
   /** Field description */
   private RepositoryBrowserUtil repositoryBrowserUtil;
+  
+  /** Field description */
+  private BlameViewerUtil blameViewerUtil;
 
   /** Field description */
   private RepositoryManager repositoryManager;
-
+  
   /** Field description */
   private Provider<WebSecurityContext> securityContextProvider;
 }

scm-webapp/src/main/java/sonia/scm/repository/xml/XmlRepositoryManager.java

@@ -47,6 +47,7 @@ import sonia.scm.HandlerEvent;
 import sonia.scm.SCMContextProvider;
 import sonia.scm.Type;
 import sonia.scm.repository.AbstractRepositoryManager;
+import sonia.scm.repository.BlameViewer;
 import sonia.scm.repository.ChangesetViewer;
 import sonia.scm.repository.PermissionType;
 import sonia.scm.repository.PermissionUtil;
@@ -549,7 +550,16 @@ public class XmlRepositoryManager extends AbstractRepositoryManager
     return getHandler(repository).getChangesetViewer(repository);
   }
 
-  /**
+  @Override
+  public BlameViewer getBlameViewer(Repository repository)
+		  		throws RepositoryException 
+	{
+  	AssertUtil.assertIsNotNull(repository);
+  	isReader(repository);
+  	return getHandler(repository).getBlameViewer(repository);
+	}
+
+	/**
    * Method description
    *
    *