Update license header

[gpl/argeo-slc.git] / runtime / org.argeo.slc.support.simple / src / main / java / org / argeo / slc / lib / svn / SvnKitDriver.java

diff --git a/runtime/org.argeo.slc.support.simple/src/main/java/org/argeo/slc/lib/svn/SvnKitDriver.java b/runtime/org.argeo.slc.support.simple/src/main/java/org/argeo/slc/lib/svn/SvnKitDriver.java
index 365f7ba73ceec2901fa52321e5f70d9206250138..e6ef52c49961ce6ebf0da7149032b8f5945a35fb 100644 (file)
--- a/runtime/org.argeo.slc.support.simple/src/main/java/org/argeo/slc/lib/svn/SvnKitDriver.java
+++ b/runtime/org.argeo.slc.support.simple/src/main/java/org/argeo/slc/lib/svn/SvnKitDriver.java
@@ -1,3 +1,19 @@
+/*\r
+ * Copyright (C) 2010 Mathieu Baudier <mbaudier@argeo.org>\r
+ *\r
+ * Licensed under the Apache License, Version 2.0 (the "License");\r
+ * you may not use this file except in compliance with the License.\r
+ * You may obtain a copy of the License at\r
+ *\r
+ *         http://www.apache.org/licenses/LICENSE-2.0\r
+ *\r
+ * Unless required by applicable law or agreed to in writing, software\r
+ * distributed under the License is distributed on an "AS IS" BASIS,\r
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r
+ * See the License for the specific language governing permissions and\r
+ * limitations under the License.\r
+ */\r
+\r
 package org.argeo.slc.lib.svn;\r
 \r
 import java.io.File;\r
@@ -5,8 +21,11 @@ import java.io.OutputStream;
 import java.util.List;\r
 import java.util.Vector;\r
 \r
+import org.apache.commons.logging.Log;\r
+import org.apache.commons.logging.LogFactory;\r
 import org.argeo.slc.SlcException;\r
 import org.argeo.slc.deploy.VersioningDriver;\r
+import org.tmatesoft.svn.core.SVNDepth;\r
 import org.tmatesoft.svn.core.SVNException;\r
 import org.tmatesoft.svn.core.SVNURL;\r
 import org.tmatesoft.svn.core.internal.io.dav.DAVRepositoryFactory;\r
@@ -14,15 +33,19 @@ import org.tmatesoft.svn.core.internal.io.fs.FSRepositoryFactory;
 import org.tmatesoft.svn.core.io.SVNRepository;\r
 import org.tmatesoft.svn.core.wc.SVNClientManager;\r
 import org.tmatesoft.svn.core.wc.SVNRevision;\r
+import org.tmatesoft.svn.core.wc.SVNWCUtil;\r
 import org.tmatesoft.svn.core.wc.admin.ISVNChangeEntryHandler;\r
 import org.tmatesoft.svn.core.wc.admin.SVNChangeEntry;\r
 \r
+/** Versioning driver with a Subversion backen, based on SVNKit */\r
 public class SvnKitDriver implements VersioningDriver {\r
+       private final static Log log = LogFactory.getLog(SvnKitDriver.class);\r
+\r
        private final SVNClientManager manager;\r
 \r
        public SvnKitDriver() {\r
-                DAVRepositoryFactory.setup();\r
-                FSRepositoryFactory.setup();\r
+               DAVRepositoryFactory.setup();\r
+               FSRepositoryFactory.setup();\r
                manager = SVNClientManager.newInstance();\r
        }\r
 \r
@@ -48,12 +71,37 @@ public class SvnKitDriver implements VersioningDriver {
                }\r
        }\r
 \r
-       @SuppressWarnings("deprecation")\r
-       public void checkout(String repositoryUrl, File destDir, Boolean recursive) {\r
+       public Boolean checkout(String repositoryUrl, File destDir,\r
+                       Boolean recursive) {\r
                try {\r
-                       manager.getUpdateClient().doCheckout(\r
+                       SVNRevision previousRevision = null;\r
+                       if (destDir.exists() && SVNWCUtil.isVersionedDirectory(destDir)) {\r
+                               previousRevision = manager.getWCClient().doInfo(destDir, null)\r
+                                               .getRevision();\r
+                       }\r
+                       if (previousRevision == null && log.isDebugEnabled())\r
+                               log.debug("Checking out " + repositoryUrl + " to " + destDir\r
+                                               + "...");\r
+                       long revision = manager.getUpdateClient().doCheckout(\r
                                        SVNURL.parseURIDecoded(repositoryUrl), destDir,\r
-                                       SVNRevision.UNDEFINED, SVNRevision.HEAD, recursive);\r
+                                       SVNRevision.UNDEFINED, SVNRevision.HEAD, SVNDepth.INFINITY,\r
+                                       recursive);\r
+                       if (previousRevision != null\r
+                                       && previousRevision.getNumber() == revision) {\r
+                               if (log.isTraceEnabled())\r
+                                       log.trace(destDir + " already at revision " + revision);\r
+                               return false;\r
+\r
+                       } else {\r
+                               if (log.isDebugEnabled())\r
+                                       if (previousRevision != null)\r
+                                               log.debug(destDir + " updated to revision " + revision\r
+                                                               + " from " + previousRevision.getNumber());\r
+                                       else\r
+                                               log.debug(destDir + " checked out to revision "\r
+                                                               + revision);\r
+                               return true;\r
+                       }\r
                } catch (Exception e) {\r
                        throw new SlcException("Cannot checkout " + repositoryUrl + " to "\r
                                        + destDir, e);\r