implement pre receive hook for svn repositories

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

@@ -58,12 +58,12 @@ import java.util.List;
  *
  * @author Sebastian Sdorra
  */
-public class SvnRepositoryHookEvent extends AbstractRepositoryHookEvent
+public class SvnPostReceiveHookEvent extends AbstractRepositoryHookEvent
 {
 
-  /** the logger for SvnRepositoryHookEvent */
+  /** the logger for SvnPostReceiveHookEvent */
   private static final Logger logger =
-    LoggerFactory.getLogger(SvnRepositoryHookEvent.class);
+    LoggerFactory.getLogger(SvnPostReceiveHookEvent.class);
 
   //~--- constructors ---------------------------------------------------------
 
@@ -74,7 +74,7 @@ public class SvnRepositoryHookEvent extends AbstractRepositoryHookEvent
    * @param repositoryDirectory
    * @param revision
    */
-  public SvnRepositoryHookEvent(File repositoryDirectory, long revision)
+  public SvnPostReceiveHookEvent(File repositoryDirectory, long revision)
   {
     this.repositoryDirectory = repositoryDirectory;
     this.revision = revision;

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

@@ -0,0 +1,157 @@
+/**
+ * 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.SVNLogEntry;
+import org.tmatesoft.svn.core.wc.ISVNOptions;
+import org.tmatesoft.svn.core.wc.SVNClientManager;
+import org.tmatesoft.svn.core.wc.SVNWCUtil;
+import org.tmatesoft.svn.core.wc.admin.SVNLookClient;
+
+//~--- JDK imports ------------------------------------------------------------
+
+import java.io.File;
+
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.List;
+
+/**
+ *
+ * @author Sebastian Sdorra
+ */
+public class SvnPreReceiveHookEvent extends AbstractRepositoryHookEvent
+{
+
+  /** the logger for SvnPreReceiveHookEvent */
+  private static final Logger logger =
+    LoggerFactory.getLogger(SvnPreReceiveHookEvent.class);
+
+  //~--- constructors ---------------------------------------------------------
+
+  /**
+   * Constructs ...
+   *
+   *
+   * @param repositoryDirectory
+   * @param transaction
+   */
+  public SvnPreReceiveHookEvent(File repositoryDirectory, String transaction)
+  {
+    this.repositoryDirectory = repositoryDirectory;
+    this.transaction = transaction;
+  }
+
+  //~--- get methods ----------------------------------------------------------
+
+  /**
+   * Method description
+   *
+   *
+   * @return
+   */
+  @Override
+  public Collection<Changeset> getChangesets()
+  {
+    if (changesets == null)
+    {
+      changesets = fetchChangesets();
+    }
+
+    return changesets;
+  }
+
+  /**
+   * Method description
+   *
+   *
+   * @return
+   */
+  @Override
+  public RepositoryHookType getType()
+  {
+    return RepositoryHookType.PRE_RECEIVE;
+  }
+
+  //~--- methods --------------------------------------------------------------
+
+  /**
+   * Method description
+   *
+   *
+   * @return
+   */
+  private Collection<Changeset> fetchChangesets()
+  {
+    List<Changeset> csets = new ArrayList<Changeset>();
+
+    try
+    {
+      ISVNOptions options = SVNWCUtil.createDefaultOptions(true);
+      SVNClientManager cm = SVNClientManager.newInstance(options);
+      SVNLookClient clientManager = cm.getLookClient();
+      SVNLogEntry entry = clientManager.doGetInfo(repositoryDirectory,
+                            transaction);
+
+      if (entry != null)
+      {
+        csets.add(SvnUtil.createChangeset(entry));
+      }
+    }
+    catch (Exception ex)
+    {
+      logger.error(
+          "could not fetch changesets for transaction ".concat(transaction),
+          ex);
+    }
+
+    return csets;
+  }
+
+  //~--- fields ---------------------------------------------------------------
+
+  /** Field description */
+  private Collection<Changeset> changesets;
+
+  /** Field description */
+  private File repositoryDirectory;
+
+  /** Field description */
+  private String transaction;
+}

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

@@ -95,18 +95,11 @@ public class SvnRepositoryHook implements FSHook
         {
           long revision = Long.parseLong(args[0]);
 
-          repositoryManager.fireHookEvent(SvnRepositoryHandler.TYPE_NAME,
-                                          directory.getName(),
-                                          new SvnRepositoryHookEvent(directory,
-                                            revision));
+          fireHook(directory, new SvnPostReceiveHookEvent(directory, revision));
         }
         catch (NumberFormatException ex)
         {
-          logger.error("could not parse revision of post commit hook");
-        }
-        catch (RepositoryNotFoundException ex)
-        {
-          logger.error("could not find repository {}", directory.getName());
+          logger.error("could not parse revision of post commit hook", ex);
         }
       }
       else if (logger.isWarnEnabled())
@@ -114,6 +107,48 @@ public class SvnRepositoryHook implements FSHook
         logger.warn("no arguments found on post commit hook");
       }
     }
+    else if (FSHooks.SVN_REPOS_HOOK_PRE_COMMIT.equals(event.getType()))
+    {
+      String[] args = event.getArgs();
+
+      if (Util.isNotEmpty(args))
+      {
+        String tx = args[0];
+
+        if (Util.isNotEmpty(tx))
+        {
+          fireHook(directory, new SvnPreReceiveHookEvent(directory, tx));
+        }
+        else if (logger.isWarnEnabled())
+        {
+          logger.warn("transaction of pre commit hook is empty");
+        }
+      }
+      else if (logger.isWarnEnabled())
+      {
+        logger.warn("no arguments found on pre commit hook");
+      }
+    }
+  }
+
+  /**
+   * Method description
+   *
+   *
+   * @param directory
+   * @param hookEvent
+   */
+  private void fireHook(File directory, RepositoryHookEvent hookEvent)
+  {
+    try
+    {
+      repositoryManager.fireHookEvent(SvnRepositoryHandler.TYPE_NAME,
+                                      directory.getName(), hookEvent);
+    }
+    catch (RepositoryNotFoundException ex)
+    {
+      logger.error("could not find repository {}", directory.getName());
+    }
   }
 
   //~--- fields ---------------------------------------------------------------