implemented new HookTagProvider api for git

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

@@ -633,6 +633,26 @@ public final class GitUtil
     return String.format(REMOTE_REF, repository.getId(), branch);
   }
 
+  /**
+   * Returns the name of the tag or {@code null} if the the ref is not a tag.
+   * 
+   * @param refName ref name
+   * 
+   * @return name of tag or {@link null}
+   * 
+   * @since 1.50
+   */
+  public static String getTagName(String refName)
+  {
+    String tagName = null;
+    if (refName.startsWith(PREFIX_TAG))
+    {
+      tagName = refName.substring(PREFIX_TAG.length());
+    }
+
+    return tagName;
+  }
+  
   /**
    * Method description
    *

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

@@ -0,0 +1,92 @@
+/***
+ * Copyright (c) 2015, 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.
+ * 
+ * https://bitbucket.org/sdorra/scm-manager
+ * 
+ */
+
+package sonia.scm.repository.api;
+
+import com.google.common.base.Strings;
+import com.google.common.collect.ImmutableList;
+import java.util.List;
+import org.eclipse.jgit.transport.ReceiveCommand;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import sonia.scm.repository.GitUtil;
+import sonia.scm.repository.Tag;
+
+/**
+ * Git provider implementation of {@link HookTagProvider}.
+ * 
+ * @since 1.50
+ * @author Sebastian Sdorra
+ */
+public class GitHookTagProvider implements HookTagProvider {
+
+  private static final Logger logger = LoggerFactory.getLogger(GitHookTagProvider.class);
+  
+  private final List<Tag> createdTags;
+  private final List<Tag> deletedTags;
+
+  /**
+   * Constructs new instance.
+   * 
+   * @param commands received commands
+   */
+  public GitHookTagProvider(List<ReceiveCommand> commands) {
+    ImmutableList.Builder<Tag> createdTagBuilder = ImmutableList.builder();
+    ImmutableList.Builder<Tag> deletedTagBuilder = ImmutableList.builder();
+    
+    for ( ReceiveCommand rc : commands ){
+      String refName = rc.getRefName();
+      String tag = GitUtil.getTagName(refName);
+      
+      if (Strings.isNullOrEmpty(tag)){
+        logger.debug("received ref name {} is not a tag", refName);
+      } else if (rc.getType() == ReceiveCommand.Type.CREATE) {
+        createdTagBuilder.add(new Tag(tag, GitUtil.getId(rc.getNewId())));
+      } else if (rc.getType() == ReceiveCommand.Type.DELETE){
+        deletedTagBuilder.add(new Tag(tag, GitUtil.getId(rc.getOldId())));
+      }
+    }
+    
+    createdTags = createdTagBuilder.build();
+    deletedTags = deletedTagBuilder.build();
+  }
+  
+  @Override
+  public List<Tag> getCreatedTags() {
+    return createdTags;
+  }
+
+  @Override
+  public List<Tag> getDeletedTags() {
+    return deletedTags;
+  }
+
+}

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

@@ -47,6 +47,8 @@ import sonia.scm.repository.api.HookMessageProvider;
 import java.util.EnumSet;
 import java.util.List;
 import java.util.Set;
+import sonia.scm.repository.api.GitHookTagProvider;
+import sonia.scm.repository.api.HookTagProvider;
 
 /**
  *
@@ -58,16 +60,15 @@ public class GitHookContextProvider extends HookContextProvider
   /** Field description */
   private static final Set<HookFeature> SUPPORTED_FEATURES =
     EnumSet.of(HookFeature.MESSAGE_PROVIDER, HookFeature.CHANGESET_PROVIDER,
-      HookFeature.BRANCH_PROVIDER);
+      HookFeature.BRANCH_PROVIDER, HookFeature.TAG_PROVIDER);
 
   //~--- constructors ---------------------------------------------------------
 
   /**
-   * Constructs ...
+   * Constructs a new instance
    *
-   *
-   * @param receivePack
-   * @param receiveCommands
+   * @param receivePack git receive pack
+   * @param receiveCommands received commands
    */
   public GitHookContextProvider(ReceivePack receivePack,
     List<ReceiveCommand> receiveCommands)
@@ -80,12 +81,6 @@ public class GitHookContextProvider extends HookContextProvider
 
   //~--- methods --------------------------------------------------------------
 
-  /**
-   * Method description
-   *
-   *
-   * @return
-   */
   @Override
   public HookMessageProvider createMessageProvider()
   {
@@ -94,36 +89,23 @@ public class GitHookContextProvider extends HookContextProvider
 
   //~--- get methods ----------------------------------------------------------
 
-  /**
-   * Method description
-   *
-   *
-   * @return
-   */
   @Override
   public HookBranchProvider getBranchProvider()
   {
     return new GitHookBranchProvider(receiveCommands);
   }
 
-  /**
-   * Method description
-   *
-   *
-   * @return
-   */
+  @Override
+  public HookTagProvider getTagProvider() {
+    return new GitHookTagProvider(receiveCommands);
+  }
+
   @Override
   public HookChangesetProvider getChangesetProvider()
   {
     return changesetProvider;
   }
 
-  /**
-   * Method description
-   *
-   *
-   * @return
-   */
   @Override
   public Set<HookFeature> getSupportedFeatures()
   {