Merge with 2.0.0-m3

scm-core/src/main/java/sonia/scm/api/v2/resources/BaseMapper.java

@@ -3,14 +3,8 @@ package sonia.scm.api.v2.resources;
 import de.otto.edison.hal.HalRepresentation;
 import org.mapstruct.Mapping;
 
-import java.time.Instant;
-
-public abstract class BaseMapper<T, D extends HalRepresentation> {
+public abstract class BaseMapper<T, D extends HalRepresentation> implements InstantAttributeMapper {
 
   @Mapping(target = "attributes", ignore = true) // We do not map HAL attributes
   public abstract D map(T modelObject);
-
-  protected Instant mapTime(Long epochMilli) {
-    return epochMilli == null? null: Instant.ofEpochMilli(epochMilli);
-  }
 }

scm-core/src/main/java/sonia/scm/api/v2/resources/InstantAttributeMapper.java

@@ -0,0 +1,9 @@
+package sonia.scm.api.v2.resources;
+
+import java.time.Instant;
+
+public interface InstantAttributeMapper {
+  default Instant mapTime(Long epochMilli) {
+    return epochMilli == null? null: Instant.ofEpochMilli(epochMilli);
+  }
+}

scm-core/src/main/java/sonia/scm/plugin/WebResourceLoader.java

@@ -33,9 +33,8 @@ package sonia.scm.plugin;
 
 //~--- JDK imports ------------------------------------------------------------
 
-import java.net.URL;
-
 import javax.servlet.ServletContext;
+import java.net.URL;
 
 /**
  * The WebResourceLoader is able to load web resources. The resources are loaded

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

@@ -41,7 +41,6 @@ import sonia.scm.util.ValidationUtil;
 
 import javax.xml.bind.annotation.XmlAccessType;
 import javax.xml.bind.annotation.XmlAccessorType;
-import javax.xml.bind.annotation.XmlElement;
 import javax.xml.bind.annotation.XmlRootElement;
 import java.util.ArrayList;
 import java.util.Date;
@@ -84,12 +83,6 @@ public class Changeset extends BasicPropertiesAware implements ModelObject {
    */
   private String id;
 
-  /**
-   * List of files changed by this changeset
-   */
-  @XmlElement(name = "modifications")
-  private Modifications modifications;
-
   /**
    * parent changeset ids
    */
@@ -137,7 +130,6 @@ public class Changeset extends BasicPropertiesAware implements ModelObject {
            && Objects.equal(parents, other.parents)
            && Objects.equal(tags, other.tags)
            && Objects.equal(branches, other.branches)
-           && Objects.equal(modifications, other.modifications)
            && Objects.equal(properties, other.properties);
     //J+
   }
@@ -152,7 +144,7 @@ public class Changeset extends BasicPropertiesAware implements ModelObject {
   public int hashCode()
   {
     return Objects.hashCode(id, date, author, description, parents, tags,
-                            branches, modifications, properties);
+                            branches,  properties);
   }
 
   /**
@@ -184,11 +176,6 @@ public class Changeset extends BasicPropertiesAware implements ModelObject {
     out.append("branches: ").append(Util.toString(branches)).append("\n");
     out.append("tags: ").append(Util.toString(tags)).append("\n");
 
-    if (modifications != null)
-    {
-      out.append("modifications: \n").append(modifications);
-    }
-
     return out.toString();
   }
 
@@ -285,21 +272,6 @@ public class Changeset extends BasicPropertiesAware implements ModelObject {
   }
 
 
-  /**
-   * Returns the file modifications, which was done with this changeset.
-   *
-   *
-   * @return file modifications
-   */
-  public Modifications getModifications()
-  {
-    if (modifications == null)
-    {
-      modifications = new Modifications();
-    }
-
-    return modifications;
-  }
 
   /**
    * Return the ids of the parent changesets.
@@ -402,17 +374,6 @@ public class Changeset extends BasicPropertiesAware implements ModelObject {
     this.id = id;
   }
 
-  /**
-   * Sets the file modification of the changeset.
-   *
-   *
-   * @param modifications file modifications
-   */
-  public void setModifications(Modifications modifications)
-  {
-    this.modifications = modifications;
-  }
-
   /**
    * Sets the parents of the changeset.
    *

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

@@ -36,15 +36,13 @@ package sonia.scm.repository;
 //~--- non-JDK imports --------------------------------------------------------
 
 import com.google.common.collect.Lists;
-
 import org.apache.commons.lang.StringEscapeUtils;
-
 import sonia.scm.util.Util;
 
-//~--- JDK imports ------------------------------------------------------------
-
 import java.util.List;
 
+//~--- JDK imports ------------------------------------------------------------
+
 /**
  *
  * @author Sebastian Sdorra
@@ -200,4 +198,10 @@ public final class EscapeUtil
 
     return values;
   }
+
+  public static void escape(Modifications modifications) {
+    modifications.setAdded(escapeList(modifications.getAdded()));
+    modifications.setModified(escapeList(modifications.getModified()));
+    modifications.setRemoved(escapeList(modifications.getRemoved()));
+  }
 }

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

@@ -67,7 +67,8 @@ public class Modifications implements Serializable
    * Constructs ...
    *
    */
-  public Modifications() {}
+  public Modifications() {
+  }
 
   /**
    * Constructs ...
@@ -218,6 +219,10 @@ public class Modifications implements Serializable
     return removed;
   }
 
+  public String getRevision() {
+    return revision;
+  }
+
   //~--- set methods ----------------------------------------------------------
 
   /**
@@ -253,8 +258,14 @@ public class Modifications implements Serializable
     this.removed = removed;
   }
 
+  public void setRevision(String revision) {
+    this.revision = revision;
+  }
+
   //~--- fields ---------------------------------------------------------------
 
+  private String revision;
+
   /** list of added files */
   @XmlElement(name = "added")
   @XmlElementWrapper(name = "added")

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

@@ -0,0 +1,23 @@
+package sonia.scm.repository;
+
+import sonia.scm.plugin.ExtensionPoint;
+
+
+/**
+ * A pre processor for {@link Modifications} objects. A pre processor is able to
+ * modify the object before it is delivered to the user interface.
+ *
+ * @author Mohamed Karray
+ * @since 2.0
+ */
+@ExtensionPoint
+public interface ModificationsPreProcessor extends PreProcessor<Modifications> {
+
+  /**
+   * Process the given modifications.
+   *
+   * @param modifications modifications to process
+   */
+  @Override
+  void process(Modifications modifications);
+}

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

@@ -0,0 +1,26 @@
+package sonia.scm.repository;
+
+import sonia.scm.plugin.ExtensionPoint;
+
+
+/**
+ * This factory create a {@link ModificationsPreProcessor}
+ *
+ * @author Mohamed Karray
+ * @since 2.0
+ */
+@ExtensionPoint
+public interface ModificationsPreProcessorFactory extends PreProcessorFactory<Modifications> {
+
+  /**
+   * Create a new {@link ModificationsPreProcessor} for the given repository.
+   *
+   *
+   * @param repository repository
+   *
+   * @return {@link ModificationsPreProcessor} for the given repository
+   */
+  @Override
+  ModificationsPreProcessor createPreProcessor(Repository repository);
+
+}

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

@@ -36,17 +36,15 @@ package sonia.scm.repository;
 //~--- non-JDK imports --------------------------------------------------------
 
 import com.google.inject.Inject;
-
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
-
 import sonia.scm.util.Util;
 
-//~--- JDK imports ------------------------------------------------------------
-
 import java.util.Collection;
 import java.util.Set;
 
+//~--- JDK imports ------------------------------------------------------------
+
 /**
  *
  * @author Sebastian Sdorra
@@ -73,14 +71,18 @@ public class PreProcessorUtil
    * @param fileObjectPreProcessorFactorySet
    * @param blameLinePreProcessorSet
    * @param blameLinePreProcessorFactorySet
+   * @param modificationsPreProcessorFactorySet
+   * @param modificationsPreProcessorSet
    */
   @Inject
   public PreProcessorUtil(Set<ChangesetPreProcessor> changesetPreProcessorSet,
-    Set<ChangesetPreProcessorFactory> changesetPreProcessorFactorySet,
-    Set<FileObjectPreProcessor> fileObjectPreProcessorSet,
-    Set<FileObjectPreProcessorFactory> fileObjectPreProcessorFactorySet,
-    Set<BlameLinePreProcessor> blameLinePreProcessorSet,
-    Set<BlameLinePreProcessorFactory> blameLinePreProcessorFactorySet)
+                          Set<ChangesetPreProcessorFactory> changesetPreProcessorFactorySet,
+                          Set<FileObjectPreProcessor> fileObjectPreProcessorSet,
+                          Set<FileObjectPreProcessorFactory> fileObjectPreProcessorFactorySet,
+                          Set<BlameLinePreProcessor> blameLinePreProcessorSet,
+                          Set<BlameLinePreProcessorFactory> blameLinePreProcessorFactorySet,
+                          Set<ModificationsPreProcessorFactory> modificationsPreProcessorFactorySet,
+                          Set<ModificationsPreProcessor> modificationsPreProcessorSet)
   {
     this.changesetPreProcessorSet = changesetPreProcessorSet;
     this.changesetPreProcessorFactorySet = changesetPreProcessorFactorySet;
@@ -88,6 +90,8 @@ public class PreProcessorUtil
     this.fileObjectPreProcessorFactorySet = fileObjectPreProcessorFactorySet;
     this.blameLinePreProcessorSet = blameLinePreProcessorSet;
     this.blameLinePreProcessorFactorySet = blameLinePreProcessorFactorySet;
+    this.modificationsPreProcessorFactorySet = modificationsPreProcessorFactorySet;
+    this.modificationsPreProcessorSet = modificationsPreProcessorSet;
   }
 
   //~--- methods --------------------------------------------------------------
@@ -108,13 +112,7 @@ public class PreProcessorUtil
     }
 
     EscapeUtil.escape(blameLine);
-
-    PreProcessorHandler<BlameLine> handler =
-      new PreProcessorHandler<BlameLine>(blameLinePreProcessorFactorySet,
-        blameLinePreProcessorSet, repository);
-
-    handler.callPreProcessors(blameLine);
-    handler.callPreProcessorFactories(blameLine);
+    handlePreProcess(repository,blameLine,blameLinePreProcessorFactorySet, blameLinePreProcessorSet);
   }
 
   /**
@@ -152,13 +150,7 @@ public class PreProcessorUtil
     {
       EscapeUtil.escape(blameResult);
     }
-
-    PreProcessorHandler<BlameLine> handler =
-      new PreProcessorHandler<BlameLine>(blameLinePreProcessorFactorySet,
-        blameLinePreProcessorSet, repository);
-
-    handler.callPreProcessors(blameResult.getBlameLines());
-    handler.callPreProcessorFactories(blameResult.getBlameLines());
+    handlePreProcessForIterable(repository, blameResult.getBlameLines(),blameLinePreProcessorFactorySet, blameLinePreProcessorSet);
   }
 
   /**
@@ -183,26 +175,20 @@ public class PreProcessorUtil
    *
    * @since 1.35
    */
-  public void prepareForReturn(Repository repository, Changeset changeset,
-    boolean escape)
-  {
-    if (logger.isTraceEnabled())
-    {
-      logger.trace("prepare changeset {} of repository {} for return",
-        changeset.getId(), repository.getName());
-    }
-
-    if (escape)
-    {
+  public void prepareForReturn(Repository repository, Changeset changeset, boolean escape){
+    logger.trace("prepare changeset {} of repository {} for return", changeset.getId(), repository.getName());
+    if (escape) {
       EscapeUtil.escape(changeset);
     }
+    handlePreProcess(repository, changeset, changesetPreProcessorFactorySet, changesetPreProcessorSet);
+  }
 
-    PreProcessorHandler<Changeset> handler =
-      new PreProcessorHandler<Changeset>(changesetPreProcessorFactorySet,
-        changesetPreProcessorSet, repository);
-
-    handler.callPreProcessors(changeset);
-    handler.callPreProcessorFactories(changeset);
+  public void prepareForReturn(Repository repository, Modifications modifications, boolean escape) {
+    logger.trace("prepare modifications {} of repository {} for return", modifications, repository.getName());
+    if (escape) {
+      EscapeUtil.escape(modifications);
+    }
+    handlePreProcess(repository, modifications, modificationsPreProcessorFactorySet, modificationsPreProcessorSet);
   }
 
   /**
@@ -240,13 +226,7 @@ public class PreProcessorUtil
     {
       EscapeUtil.escape(result);
     }
-
-    PreProcessorHandler<FileObject> handler =
-      new PreProcessorHandler<FileObject>(fileObjectPreProcessorFactorySet,
-        fileObjectPreProcessorSet, repository);
-
-    handler.callPreProcessors(result);
-    handler.callPreProcessorFactories(result);
+    handlePreProcessForIterable(repository, result,fileObjectPreProcessorFactorySet, fileObjectPreProcessorSet);
   }
 
   /**
@@ -272,13 +252,7 @@ public class PreProcessorUtil
     {
       EscapeUtil.escape(result);
     }
-
-    PreProcessorHandler<Changeset> handler =
-      new PreProcessorHandler<Changeset>(changesetPreProcessorFactorySet,
-        changesetPreProcessorSet, repository);
-
-    handler.callPreProcessors(result);
-    handler.callPreProcessorFactories(result);
+    handlePreProcessForIterable(repository,result,changesetPreProcessorFactorySet, changesetPreProcessorSet);
   }
 
   /**
@@ -294,6 +268,23 @@ public class PreProcessorUtil
     prepareForReturn(repository, result, true);
   }
 
+
+  private <T, F extends PreProcessorFactory<T>, P extends PreProcessor<T>> void handlePreProcess(Repository repository, T processedObject,
+                                                                                                 Collection<F> factories,
+                                                                                                 Collection<P> preProcessors) {
+    PreProcessorHandler<T> handler = new PreProcessorHandler<T>(factories, preProcessors, repository);
+    handler.callPreProcessors(processedObject);
+    handler.callPreProcessorFactories(processedObject);
+  }
+
+  private <T, I extends Iterable<T>, F extends PreProcessorFactory<T>, P extends PreProcessor<T>> void handlePreProcessForIterable(Repository repository, I processedObjects,
+                                                                                                 Collection<F> factories,
+                                                                                                 Collection<P> preProcessors) {
+    PreProcessorHandler<T> handler = new PreProcessorHandler<T>(factories, preProcessors, repository);
+    handler.callPreProcessors(processedObjects);
+    handler.callPreProcessorFactories(processedObjects);
+  }
+
   //~--- inner classes --------------------------------------------------------
 
   /**
@@ -454,6 +445,10 @@ public class PreProcessorUtil
   /** Field description */
   private final Collection<ChangesetPreProcessor> changesetPreProcessorSet;
 
+  private final Collection<ModificationsPreProcessorFactory> modificationsPreProcessorFactorySet;
+
+  private final Collection<ModificationsPreProcessor> modificationsPreProcessorSet;
+
   /** Field description */
   private final Collection<FileObjectPreProcessorFactory> fileObjectPreProcessorFactorySet;
 

scm-core/src/main/java/sonia/scm/repository/api/Command.java

@@ -61,5 +61,11 @@ public enum Command
   /**
    * @since 1.43
    */
-  BUNDLE, UNBUNDLE;
+  BUNDLE, UNBUNDLE,
+
+  /**
+   * @since 2.0
+   */
+  MODIFICATIONS
+
 }

scm-core/src/main/java/sonia/scm/repository/api/ModificationsCommandBuilder.java

@@ -0,0 +1,113 @@
+package sonia.scm.repository.api;
+
+import lombok.AllArgsConstructor;
+import lombok.EqualsAndHashCode;
+import lombok.Getter;
+import lombok.RequiredArgsConstructor;
+import lombok.Setter;
+import lombok.ToString;
+import lombok.experimental.Accessors;
+import lombok.extern.slf4j.Slf4j;
+import sonia.scm.cache.Cache;
+import sonia.scm.repository.Modifications;
+import sonia.scm.repository.PreProcessorUtil;
+import sonia.scm.repository.Repository;
+import sonia.scm.repository.RepositoryCacheKey;
+import sonia.scm.repository.RevisionNotFoundException;
+import sonia.scm.repository.spi.ModificationsCommand;
+import sonia.scm.repository.spi.ModificationsCommandRequest;
+
+import java.io.IOException;
+
+/**
+ * Get the modifications applied to files in a revision.
+ * <p>
+ * Modifications are for example: Add, Update and Delete
+ *
+ * @author Mohamed Karray
+ * @since 2.0
+ */
+@Slf4j
+@RequiredArgsConstructor
+@Accessors(fluent = true)
+public final class ModificationsCommandBuilder {
+  static final String CACHE_NAME = "sonia.cache.cmd.modifications";
+
+  private final ModificationsCommand modificationsCommand;
+
+  private final ModificationsCommandRequest request = new ModificationsCommandRequest();
+
+  private final Repository repository;
+
+  private final Cache<ModificationsCommandBuilder.CacheKey, Modifications> cache;
+
+  private final PreProcessorUtil preProcessorUtil;
+
+  @Setter
+  private boolean disableEscaping = false;
+
+  @Setter
+  private boolean disableCache = false;
+
+  @Setter
+  private boolean disablePreProcessors = false;
+
+  public ModificationsCommandBuilder revision(String revision){
+    request.setRevision(revision);
+    return this;
+  }
+
+  /**
+   * Reset each parameter to its default value.
+   *
+   *
+   * @return {@code this}
+   */
+  public ModificationsCommandBuilder reset() {
+    request.reset();
+    this.disableCache = false;
+    this.disablePreProcessors = false;
+    return this;
+  }
+
+  public Modifications getModifications() throws IOException, RevisionNotFoundException {
+    Modifications modifications;
+    if (disableCache) {
+      log.info("Get modifications for {} with disabled cache", request);
+      modifications = modificationsCommand.getModifications(request);
+    } else {
+      ModificationsCommandBuilder.CacheKey key = new ModificationsCommandBuilder.CacheKey(repository.getId(), request);
+      if (cache.contains(key)) {
+        modifications = cache.get(key);
+        log.debug("Get modifications for {} from the cache", request);
+      } else {
+        log.info("Get modifications for {} with enabled cache", request);
+        modifications = modificationsCommand.getModifications(request);
+        if (modifications != null) {
+          cache.put(key, modifications);
+          log.debug("Modifications for {} added to the cache with key {}", request, key);
+        }
+      }
+    }
+    if (!disablePreProcessors && (modifications != null)) {
+      preProcessorUtil.prepareForReturn(repository, modifications, !disableEscaping);
+    }
+    return modifications;
+  }
+
+  @AllArgsConstructor
+  @Getter
+  @Setter
+  @EqualsAndHashCode
+  @ToString
+  class CacheKey implements RepositoryCacheKey {
+    private final String repositoryId;
+    private final ModificationsCommandRequest request;
+
+    @Override
+    public String getRepositoryId() {
+      return repositoryId;
+    }
+  }
+
+}

scm-core/src/main/java/sonia/scm/repository/api/RepositoryService.java

@@ -253,6 +253,18 @@ public final class RepositoryService implements Closeable {
       repository, preProcessorUtil);
   }
 
+  /**
+   * The modification command shows file modifications in a revision.
+   *
+   * @return instance of {@link ModificationsCommandBuilder}
+   * @throws CommandNotSupportedException if the command is not supported
+   *                                      by the implementation of the repository service provider.
+   */
+  public ModificationsCommandBuilder getModificationsCommand() {
+    logger.debug("create modifications command for repository {}",repository.getNamespaceAndName());
+    return new ModificationsCommandBuilder(provider.getModificationsCommand(),repository, cacheManager.getCache(ModificationsCommandBuilder.CACHE_NAME), preProcessorUtil);
+  }
+
   /**
    * The outgoing command show {@link Changeset}s not found in a remote repository.
    *

scm-core/src/main/java/sonia/scm/repository/spi/ModificationsCommand.java

@@ -0,0 +1,53 @@
+/*
+ * 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;
+
+import sonia.scm.repository.Modifications;
+import sonia.scm.repository.RevisionNotFoundException;
+
+import java.io.IOException;
+
+/**
+ * Command to get the modifications applied to files in a revision.
+ *
+ * Modifications are for example: Add, Update, Delete
+ *
+ * @author Mohamed Karray
+ * @since 2.0
+ */
+public interface ModificationsCommand {
+
+  Modifications getModifications(String revision) throws IOException, RevisionNotFoundException;
+
+  Modifications getModifications(ModificationsCommandRequest request) throws IOException, RevisionNotFoundException;
+
+}

scm-core/src/main/java/sonia/scm/repository/spi/ModificationsCommandRequest.java

@@ -0,0 +1,24 @@
+package sonia.scm.repository.spi;
+
+
+import lombok.AllArgsConstructor;
+import lombok.EqualsAndHashCode;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+import lombok.Setter;
+import lombok.ToString;
+
+@ToString
+@EqualsAndHashCode
+@Getter
+@Setter
+@AllArgsConstructor
+@NoArgsConstructor
+public class ModificationsCommandRequest implements Resetable {
+  private String revision;
+
+  @Override
+  public void reset() {
+    revision = null;
+  }
+}

scm-core/src/main/java/sonia/scm/repository/spi/RepositoryServiceProvider.java

@@ -42,6 +42,8 @@ import java.io.IOException;
 import java.util.Collections;
 import java.util.Set;
 
+//~--- JDK imports ------------------------------------------------------------
+
 /**
  *
  * @author Sebastian Sdorra
@@ -168,6 +170,16 @@ public abstract class RepositoryServiceProvider implements Closeable
     throw new CommandNotSupportedException(Command.LOG);
   }
 
+  /**
+   * Get the corresponding {@link ModificationsCommand} implemented from the Plugins
+   *
+   * @return the corresponding {@link ModificationsCommand} implemented from the Plugins
+   * @throws CommandNotSupportedException if there is no Implementation
+   */
+  public ModificationsCommand getModificationsCommand() {
+    throw new CommandNotSupportedException(Command.MODIFICATIONS);
+  }
+
   /**
    * Method description
    *

scm-core/src/main/java/sonia/scm/web/VndMediaType.java

@@ -21,6 +21,7 @@ public class VndMediaType {
   public static final String PERMISSION = PREFIX + "permission" + SUFFIX;
   public static final String CHANGESET = PREFIX + "changeset" + SUFFIX;
   public static final String CHANGESET_COLLECTION = PREFIX + "changesetCollection" + SUFFIX;
+  public static final String MODIFICATIONS = PREFIX + "modifications" + SUFFIX;;
   public static final String TAG = PREFIX + "tag" + SUFFIX;
   public static final String TAG_COLLECTION = PREFIX + "tagCollection" + SUFFIX;
   public static final String BRANCH = PREFIX + "branch" + SUFFIX;