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

   1 /*
   2  * Copyright (C) 2007-2012 Argeo GmbH
   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 package org.argeo.slc.core.deploy;
  17
  18 import java.io.File;
  19 import java.io.IOException;
  20
  21 import org.apache.commons.io.FileUtils;
  22 import org.apache.commons.logging.Log;
  23 import org.apache.commons.logging.LogFactory;
  24 import org.argeo.slc.SlcException;
  25 import org.argeo.slc.deploy.VersioningDriver;
  26
  27 /**
  28  * Synchronizes an URL to a local directory, taking into account versioning
  29  * information if possible.
  30  */
  31 public class VersionedDirSync implements Runnable {
  32         private final static Log log = LogFactory.getLog(VersionedDirSync.class);
  33
  34         private VersioningDriver versioningDriver;
  35         private File dir;
  36         private String url;
  37         private Boolean clean = false;
  38
  39         private Boolean changed = null;
  40
  41         public void run() {
  42                 changed = null;
  43                 if (clean) {
  44                         try {
  45                                 log.info("Clean " + dir);
  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                 log.info("Checkout " + url + " to " + dir);
  54                 changed = versioningDriver.checkout(url, dir, true);
  55                 if (log.isDebugEnabled())
  56                         log.debug("Synchronized " + url + " to " + dir);
  57         }
  58
  59         public void setVersioningDriver(VersioningDriver versioningDriver) {
  60                 this.versioningDriver = versioningDriver;
  61         }
  62
  63         public void setDir(File dir) {
  64                 this.dir = dir;
  65         }
  66
  67         public void setUrl(String url) {
  68                 this.url = url;
  69         }
  70
  71         /** Delete before checkout */
  72         public void setClean(Boolean clean) {
  73                 this.clean = clean;
  74         }
  75
  76         /** Whether last call has changed the directory */
  77         public Boolean getChanged() {
  78                 if (changed == null)
  79                         throw new SlcException("Sync has not run");
  80                 return changed;
  81         }
  82
  83 }