runtime/org.argeo.slc.support.simple/src/main/java/org/argeo/slc/vfs/VfsResourceSet.java

   1 package org.argeo.slc.vfs;
   2
   3 import java.util.HashMap;
   4 import java.util.Map;
   5
   6 import org.apache.commons.vfs.FileObject;
   7 import org.apache.commons.vfs.FileSystemException;
   8 import org.apache.commons.vfs.FileSystemManager;
   9 import org.apache.commons.vfs.VFS;
  10 import org.argeo.slc.SlcException;
  11 import org.argeo.slc.core.deploy.ResourceSet;
  12 import org.springframework.core.io.Resource;
  13
  14 public class VfsResourceSet implements ResourceSet {
  15         private String base;
  16
  17         public Map<String, Resource> listResources() {
  18                 try {
  19                         FileSystemManager fileSystemManager = VFS.getManager();
  20                         FileObject fileObject = fileSystemManager.resolveFile(base);
  21                         Map<String, Resource> map = new HashMap<String, Resource>();
  22                         addToMap(map, "", fileObject);
  23
  24                         // TODO: add filters
  25                         return map;
  26                 } catch (FileSystemException e) {
  27                         throw new SlcException("Cannot list VFS resources from " + base, e);
  28                 }
  29         }
  30
  31         /** recursive */
  32         protected void addToMap(Map<String, Resource> map, String parentPath,
  33                         FileObject fileObject) {
  34                 try {
  35                         String newParentPath = parentPath
  36                                         + fileObject.getName().getBaseName() + '/';
  37                         if (fileObject.getType().hasChildren()) {
  38                                 for (FileObject child : fileObject.getChildren()) {
  39                                         addToMap(map, newParentPath, child);
  40                                 }
  41                         } else {
  42                                 map.put(parentPath + fileObject.getName().getBaseName(),
  43                                                 new VfsResource(fileObject));
  44                         }
  45                 } catch (FileSystemException e) {
  46                         throw new SlcException("Cannot add children from " + parentPath, e);
  47                 }
  48         }
  49
  50         public void setBase(String base) {
  51                 this.base = base;
  52         }
  53
  54 }