runtime/org.argeo.slc.core/src/main/java/org/argeo/slc/core/deploy/VersionedDirSync.java

   1 /*
   2  * Copyright (C) 2010 Mathieu Baudier <mbaudier@argeo.org>
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  *         http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16
  17 package org.argeo.slc.core.deploy;
  18
  19 import java.io.File;
  20 import java.io.IOException;
  21
  22 import org.apache.commons.io.FileUtils;
  23 import org.apache.commons.logging.Log;
  24 import org.apache.commons.logging.LogFactory;
  25 import org.argeo.slc.SlcException;
  26 import org.argeo.slc.deploy.VersioningDriver;
  27
  28 /**
  29  * Synchronizes an URL to a local directory, taking into account versioning
  30  * information if possible.
  31  */
  32 public class VersionedDirSync implements Runnable {
  33         private final static Log log = LogFactory.getLog(VersionedDirSync.class);
  34
  35         private VersioningDriver versioningDriver;
  36         private File dir;
  37         private String url;
  38         private Boolean clean = false;
  39
  40         private Boolean changed = null;
  41
  42         public void run() {
  43                 changed = null;
  44                 if (clean) {
  45                         try {
  46                                 FileUtils.deleteDirectory(dir);
  47                         } catch (IOException e) {
  48                                 throw new SlcException("Cannot delete checkout directory "
  49                                                 + dir, e);
  50                         }
  51                         dir.mkdirs();
  52                 }
  53                 changed = versioningDriver.checkout(url, dir, true);
  54                 if (log.isDebugEnabled())
  55                         log.debug("Synchronized " + url + " to " + dir);
  56         }
  57
  58         public void setVersioningDriver(VersioningDriver versioningDriver) {
  59                 this.versioningDriver = versioningDriver;
  60         }
  61
  62         public void setDir(File dir) {
  63                 this.dir = dir;
  64         }
  65
  66         public void setUrl(String url) {
  67                 this.url = url;
  68         }
  69
  70         /** Delete before checkout */
  71         public void setClean(Boolean clean) {
  72                 this.clean = clean;
  73         }
  74
  75         /** Whether last call has changed the directory */
  76         public Boolean getChanged() {
  77                 if (changed == null)
  78                         throw new SlcException("Sync has not run");
  79                 return changed;
  80         }
  81
  82 }