From 909fe3257432ed50b996e43bec72766c83e26dce Mon Sep 17 00:00:00 2001
From: Sebastian Sdorra <sebastian.sdorra@cloudogu.com>
Date: Thu, 12 Jan 2012 14:21:04 +0100
Subject: [PATCH] added api for repository imports

---
 .../repository/AbstractRepositoryHandler.java |  16 ++
 .../sonia/scm/repository/ImportHandler.java   |  58 ++++++++
 .../scm/repository/RepositoryHandler.java     |  14 ++
 .../scm/repository/RepositoryManager.java     |  17 +++
 .../sonia/scm/repository/RepositoryUtil.java  | 137 ++++++++++++++++++
 .../repository/xml/XmlRepositoryManager.java  |  42 +++++-
 6 files changed, 281 insertions(+), 3 deletions(-)
 create mode 100644 scm-core/src/main/java/sonia/scm/repository/ImportHandler.java

diff --git a/scm-core/src/main/java/sonia/scm/repository/AbstractRepositoryHandler.java b/scm-core/src/main/java/sonia/scm/repository/AbstractRepositoryHandler.java
index fa835e2803..2a459b66d6 100644
--- a/scm-core/src/main/java/sonia/scm/repository/AbstractRepositoryHandler.java
+++ b/scm-core/src/main/java/sonia/scm/repository/AbstractRepositoryHandler.java
@@ -39,6 +39,7 @@ import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
 import sonia.scm.ConfigChangedListener;
+import sonia.scm.NotSupportedFeatuerException;
 import sonia.scm.SCMContextProvider;
 import sonia.scm.store.Store;
 import sonia.scm.store.StoreFactory;
@@ -243,6 +244,21 @@ public abstract class AbstractRepositoryHandler<C extends SimpleRepositoryConfig
     return null;
   }
 
+  /**
+   * Method description
+   *
+   *
+   * @return
+   *
+   * @throws NotSupportedFeatuerException
+   */
+  @Override
+  public ImportHandler getImportHandler() throws NotSupportedFeatuerException
+  {
+    throw new NotSupportedFeatuerException(
+        "import handler is not supported by this repository handler");
+  }
+
   /**
    * Method description
    *
diff --git a/scm-core/src/main/java/sonia/scm/repository/ImportHandler.java b/scm-core/src/main/java/sonia/scm/repository/ImportHandler.java
new file mode 100644
index 0000000000..aba490ca11
--- /dev/null
+++ b/scm-core/src/main/java/sonia/scm/repository/ImportHandler.java
@@ -0,0 +1,58 @@
+/**
+ * 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.io.IOException;
+
+/**
+ * Searches and import existing repositories.
+ *
+ * @author Sebastian Sdorra
+ * @since 1.12
+ */
+public interface ImportHandler
+{
+
+  /**
+   * Import existing and non managed repositories.
+   *
+   *
+   * @param manager The global {@link RepositoryManager}
+   *
+   * @throws IOException
+   * @throws RepositoryException
+   */
+  public void importRepositories(RepositoryManager manager)
+          throws IOException, RepositoryException;
+}
diff --git a/scm-core/src/main/java/sonia/scm/repository/RepositoryHandler.java b/scm-core/src/main/java/sonia/scm/repository/RepositoryHandler.java
index 326d9907a7..5c3c0c13d5 100644
--- a/scm-core/src/main/java/sonia/scm/repository/RepositoryHandler.java
+++ b/scm-core/src/main/java/sonia/scm/repository/RepositoryHandler.java
@@ -38,6 +38,7 @@ package sonia.scm.repository;
 import sonia.scm.ConfigChangedListener;
 import sonia.scm.Handler;
 import sonia.scm.ListenerSupport;
+import sonia.scm.NotSupportedFeatuerException;
 import sonia.scm.plugin.ExtensionPoint;
 
 /**
@@ -64,4 +65,17 @@ public interface RepositoryHandler
    * @return resource path of the {@link Repository}
    */
   public String createResourcePath(Repository repository);
+
+  //~--- get methods ----------------------------------------------------------
+
+  /**
+   * Returns the {@link ImportHandler} for the repository type of this handler.
+   *
+   *
+   * @return {@link ImportHandler} for the repository type of this handler
+   * @since 1.12
+   *
+   * @throws NotSupportedFeatuerException
+   */
+  public ImportHandler getImportHandler() throws NotSupportedFeatuerException;
 }
diff --git a/scm-core/src/main/java/sonia/scm/repository/RepositoryManager.java b/scm-core/src/main/java/sonia/scm/repository/RepositoryManager.java
index 1e90c57d2f..16b908deec 100644
--- a/scm-core/src/main/java/sonia/scm/repository/RepositoryManager.java
+++ b/scm-core/src/main/java/sonia/scm/repository/RepositoryManager.java
@@ -41,6 +41,8 @@ import sonia.scm.TypeManager;
 
 //~--- JDK imports ------------------------------------------------------------
 
+import java.io.IOException;
+
 import java.util.Collection;
 
 import javax.servlet.http.HttpServletRequest;
@@ -60,6 +62,21 @@ public interface RepositoryManager
                 BlameViewerProvider, DiffViewerProvider
 {
 
+  /**
+   * Imports an existing {@link Repository}.
+   * Note: This method should only be called from a {@link RepositoryHandler}.
+   *
+   *
+   * @param repository {@link Repository} to import
+   *
+   * @throws IOException
+   * @throws RepositoryException
+   */
+  public void importRepository(Repository repository)
+          throws IOException, RepositoryException;
+
+  //~--- get methods ----------------------------------------------------------
+
   /**
    * Returns a {@link Repository} by its type and name or
    * null if the {@link Repository} could not be found.
diff --git a/scm-core/src/main/java/sonia/scm/repository/RepositoryUtil.java b/scm-core/src/main/java/sonia/scm/repository/RepositoryUtil.java
index f4ef899b46..639fc55e25 100644
--- a/scm-core/src/main/java/sonia/scm/repository/RepositoryUtil.java
+++ b/scm-core/src/main/java/sonia/scm/repository/RepositoryUtil.java
@@ -38,6 +38,7 @@ package sonia.scm.repository;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
+import sonia.scm.io.DirectoryFileFilter;
 import sonia.scm.util.IOUtil;
 
 //~--- JDK imports ------------------------------------------------------------
@@ -45,6 +46,10 @@ import sonia.scm.util.IOUtil;
 import java.io.File;
 import java.io.IOException;
 
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.List;
+
 /**
  *
  * @author Sebastian Sdorra
@@ -57,6 +62,27 @@ public class RepositoryUtil
   private static final Logger logger =
     LoggerFactory.getLogger(RepositoryUtil.class);
 
+  //~--- methods --------------------------------------------------------------
+
+  /**
+   * Method description
+   *
+   *
+   * @param directory
+   * @param names
+   *
+   * @return
+   */
+  public static List<File> searchRepositoryDirectories(File directory,
+          String... names)
+  {
+    List<File> repositories = new ArrayList<File>();
+
+    searchRepositoryDirectories(repositories, directory, Arrays.asList(names));
+
+    return repositories;
+  }
+
   //~--- get methods ----------------------------------------------------------
 
   /**
@@ -166,4 +192,115 @@ public class RepositoryUtil
 
     return name;
   }
+
+  /**
+   * Method description
+   *
+   *
+   * @param handler
+   * @param directoryNames
+   *
+   * @return
+   *
+   * @throws IOException
+   */
+  public static List<String> getRepositoryNames(
+          AbstractRepositoryHandler handler, String... directoryNames)
+          throws IOException
+  {
+    return getRepositoryNames(handler.getConfig(), directoryNames);
+  }
+
+  /**
+   * Method description
+   *
+   *
+   * @param config
+   * @param directoryNames
+   *
+   * @return
+   *
+   * @throws IOException
+   */
+  public static List<String> getRepositoryNames(SimpleRepositoryConfig config,
+          String... directoryNames)
+          throws IOException
+  {
+    return getRepositoryNames(config.getRepositoryDirectory(), directoryNames);
+  }
+
+  /**
+   * Method description
+   *
+   *
+   * @param baseDirectory
+   * @param directoryNames
+   *
+   * @return
+   *
+   * @throws IOException
+   */
+  public static List<String> getRepositoryNames(File baseDirectory,
+          String... directoryNames)
+          throws IOException
+  {
+    List<String> repositories = new ArrayList<String>();
+    List<File> repositoryFiles = searchRepositoryDirectories(baseDirectory,
+                                   directoryNames);
+
+    for (File file : repositoryFiles)
+    {
+      String name = getRepositoryName(baseDirectory, file);
+
+      if (name != null)
+      {
+        repositories.add(name);
+      }
+    }
+
+    return repositories;
+  }
+
+  //~--- methods --------------------------------------------------------------
+
+  /**
+   * Method description
+   *
+   *
+   * @param repositories
+   * @param directory
+   * @param names
+   */
+  private static void searchRepositoryDirectories(List<File> repositories,
+          File directory, List<String> names)
+  {
+    boolean found = false;
+
+    for (String name : names)
+    {
+      if (new File(directory, name).exists())
+      {
+        found = true;
+
+        break;
+      }
+    }
+
+    if (found)
+    {
+      repositories.add(directory);
+    }
+    else
+    {
+      File[] directories = directory.listFiles(DirectoryFileFilter.instance);
+
+      if (directories != null)
+      {
+        for (File d : directories)
+        {
+          searchRepositoryDirectories(repositories, d, names);
+        }
+      }
+    }
+  }
 }
diff --git a/scm-webapp/src/main/java/sonia/scm/repository/xml/XmlRepositoryManager.java b/scm-webapp/src/main/java/sonia/scm/repository/xml/XmlRepositoryManager.java
index 1134ee7e48..79a42a53a4 100644
--- a/scm-webapp/src/main/java/sonia/scm/repository/xml/XmlRepositoryManager.java
+++ b/scm-webapp/src/main/java/sonia/scm/repository/xml/XmlRepositoryManager.java
@@ -163,12 +163,12 @@ public class XmlRepositoryManager extends AbstractRepositoryManager
    *
    *
    * @param repository
+   * @param createRepository
    *
    * @throws IOException
    * @throws RepositoryException
    */
-  @Override
-  public void create(Repository repository)
+  public void create(Repository repository, boolean createRepository)
           throws RepositoryException, IOException
   {
     if (logger.isInfoEnabled())
@@ -187,7 +187,11 @@ public class XmlRepositoryManager extends AbstractRepositoryManager
 
     repository.setId(UUID.randomUUID().toString());
     repository.setCreationDate(System.currentTimeMillis());
-    getHandler(repository).create(repository);
+
+    if (createRepository)
+    {
+      getHandler(repository).create(repository);
+    }
 
     synchronized (XmlRepositoryDatabase.class)
     {
@@ -198,6 +202,22 @@ public class XmlRepositoryManager extends AbstractRepositoryManager
     fireEvent(repository, HandlerEvent.CREATE);
   }
 
+  /**
+   * Method description
+   *
+   *
+   * @param repository
+   *
+   * @throws IOException
+   * @throws RepositoryException
+   */
+  @Override
+  public void create(Repository repository)
+          throws RepositoryException, IOException
+  {
+    create(repository, true);
+  }
+
   /**
    * Method description
    *
@@ -285,6 +305,22 @@ public class XmlRepositoryManager extends AbstractRepositoryManager
     fireHookEvent(repository, event);
   }
 
+  /**
+   * Method description
+   *
+   *
+   * @param repository
+   *
+   * @throws IOException
+   * @throws RepositoryException
+   */
+  @Override
+  public void importRepository(Repository repository)
+          throws RepositoryException, IOException
+  {
+    create(repository, false);
+  }
+
   /**
    * Method description
    *