start implementing SvnRepositoryBrowser

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

@@ -0,0 +1,224 @@
+/**
+ * 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.SVNDirEntry;
+import org.tmatesoft.svn.core.SVNException;
+import org.tmatesoft.svn.core.SVNNodeKind;
+import org.tmatesoft.svn.core.SVNURL;
+import org.tmatesoft.svn.core.io.SVNRepository;
+import org.tmatesoft.svn.core.io.SVNRepositoryFactory;
+
+import sonia.scm.util.Util;
+
+//~--- JDK imports ------------------------------------------------------------
+
+import java.io.File;
+import java.io.IOException;
+import java.io.InputStream;
+
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.List;
+
+/**
+ *
+ * @author Sebastian Sdorra
+ */
+public class SvnRepositoryBrowser implements RepositoryBrowser
+{
+
+  /** the logger for SvnRepositoryBrowser */
+  private static final Logger logger =
+    LoggerFactory.getLogger(SvnRepositoryBrowser.class);
+
+  //~--- constructors ---------------------------------------------------------
+
+  /**
+   * Constructs ...
+   *
+   *
+   * @param handler
+   * @param repository
+   */
+  public SvnRepositoryBrowser(SvnRepositoryHandler handler,
+                              Repository repository)
+  {
+    this.handler = handler;
+    this.repository = repository;
+  }
+
+  //~--- get methods ----------------------------------------------------------
+
+  /**
+   * Method description
+   *
+   *
+   * @param revision
+   * @param path
+   *
+   * @return
+   *
+   * @throws IOException
+   * @throws RepositoryException
+   */
+  @Override
+  public InputStream getContent(String revision, String path)
+          throws IOException, RepositoryException
+  {
+
+    // http://wiki.svnkit.com/Printing_Out_File_Contents
+    throw new UnsupportedOperationException("Not supported yet.");
+  }
+
+  /**
+   * Method description
+   *
+   *
+   * @param revision
+   * @param path
+   *
+   * @return
+   *
+   * @throws IOException
+   * @throws RepositoryException
+   */
+  @Override
+  public BrowserResult getResult(String revision, String path)
+          throws IOException, RepositoryException
+  {
+    long revisionNumber = -1;
+
+    if (Util.isNotEmpty(revision))
+    {
+      try
+      {
+        revisionNumber = Long.parseLong(revision);
+      }
+      catch (NumberFormatException ex)
+      {
+        throw new RepositoryException("given revision is not a svnrevision");
+      }
+    }
+
+    if (logger.isDebugEnabled())
+    {
+      logger.debug("browser repository {} in path {} at revision {}",
+                   new Object[] { repository.getName(),
+                                  path, revision });
+    }
+
+    File directory = handler.getDirectory(repository);
+    BrowserResult result = null;
+    SVNRepository svnRepository = null;
+
+    try
+    {
+      svnRepository = SVNRepositoryFactory.create(SVNURL.fromFile(directory));
+
+      Collection<SVNDirEntry> entries =
+        svnRepository.getDir(Util.nonNull(path), revisionNumber, null,
+                             (Collection) null);
+      List<FileObject> children = new ArrayList<FileObject>();
+
+      for (SVNDirEntry entry : entries)
+      {
+        children.add(createFileObject(entry));
+      }
+
+      result = new BrowserResult();
+      result.setRevision(revision);
+
+      // TODO create full root file
+      FileObject dir = new FileObject();
+
+      dir.setDirectory(true);
+      dir.setChildren(children);
+      dir.setPath(path);
+      result.setFile(dir);
+    }
+    catch (SVNException ex)
+    {
+      logger.error("could not open repository", ex);
+    }
+    finally
+    {
+      svnRepository.closeSession();
+    }
+
+    return result;
+  }
+
+  //~--- methods --------------------------------------------------------------
+
+  /**
+   * Method description
+   *
+   *
+   * @param entry
+   *
+   * @return
+   */
+  private FileObject createFileObject(SVNDirEntry entry)
+  {
+    FileObject fileObject = new FileObject();
+
+    fileObject.setName(entry.getName());
+    fileObject.setPath(entry.getRelativePath());
+    fileObject.setDirectory(entry.getKind() == SVNNodeKind.DIR);
+
+    if (entry.getDate() != null)
+    {
+      fileObject.setLastModified(entry.getDate().getTime());
+    }
+
+    fileObject.setLength(entry.getSize());
+    fileObject.setDescription(entry.getCommitMessage());
+
+    return fileObject;
+  }
+
+  //~--- fields ---------------------------------------------------------------
+
+  /** Field description */
+  private SvnRepositoryHandler handler;
+
+  /** Field description */
+  private Repository repository;
+}

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

@@ -42,6 +42,7 @@ import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
 import org.tmatesoft.svn.core.SVNException;
+import org.tmatesoft.svn.core.internal.io.fs.FSRepositoryFactory;
 import org.tmatesoft.svn.core.io.SVNRepositoryFactory;
 
 import sonia.scm.Type;
@@ -91,6 +92,9 @@ public class SvnRepositoryHandler
   public SvnRepositoryHandler(StoreFactory storeFactory, FileSystem fileSystem)
   {
     super(storeFactory, fileSystem);
+
+    // setup FSRepositoryFactory for SvnRepositoryBrowser
+    FSRepositoryFactory.setup();
   }
 
   //~--- get methods ----------------------------------------------------------
@@ -126,6 +130,22 @@ public class SvnRepositoryHandler
     return changesetViewer;
   }
 
+  /**
+   * Method description
+   *
+   *
+   * @param repository
+   *
+   * @return
+   */
+  @Override
+  public RepositoryBrowser getRepositoryBrowser(Repository repository)
+  {
+    AssertUtil.assertIsNotNull(repository);
+
+    return new SvnRepositoryBrowser(this, repository);
+  }
+
   /**
    * Method description
    *