Move SLC Support

[gpl/argeo-slc.git] / org.argeo.slc.support / src / org / argeo / slc / vfs / VfsResourceSet.java

diff --git a/org.argeo.slc.support/src/org/argeo/slc/vfs/VfsResourceSet.java b/org.argeo.slc.support/src/org/argeo/slc/vfs/VfsResourceSet.java
new file mode 100644 (file)
index 0000000..8adb276
--- /dev/null
+++ b/org.argeo.slc.support/src/org/argeo/slc/vfs/VfsResourceSet.java
@@ -0,0 +1,69 @@
+/*
+ * Copyright (C) 2007-2012 Argeo GmbH
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *         http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.argeo.slc.vfs;
+
+import java.util.HashMap;
+import java.util.Map;
+
+import org.apache.commons.vfs2.FileObject;
+import org.apache.commons.vfs2.FileSystemException;
+import org.apache.commons.vfs2.FileSystemManager;
+import org.apache.commons.vfs2.VFS;
+import org.argeo.slc.SlcException;
+import org.argeo.slc.core.deploy.ResourceSet;
+import org.springframework.core.io.Resource;
+
+public class VfsResourceSet implements ResourceSet {
+       private String base;
+
+       public Map<String, Resource> listResources() {
+               try {
+                       FileSystemManager fileSystemManager = VFS.getManager();
+                       FileObject fileObject = fileSystemManager.resolveFile(base);
+                       Map<String, Resource> map = new HashMap<String, Resource>();
+                       addToMap(map, "", fileObject);
+
+                       // TODO: add filters
+                       return map;
+               } catch (FileSystemException e) {
+                       throw new SlcException("Cannot list VFS resources from " + base, e);
+               }
+       }
+
+       /** recursive */
+       protected void addToMap(Map<String, Resource> map, String parentPath,
+                       FileObject fileObject) {
+               try {
+                       String newParentPath = parentPath
+                                       + fileObject.getName().getBaseName() + '/';
+                       if (fileObject.getType().hasChildren()) {
+                               for (FileObject child : fileObject.getChildren()) {
+                                       addToMap(map, newParentPath, child);
+                               }
+                       } else {
+                               map.put(parentPath + fileObject.getName().getBaseName(),
+                                               new VfsResource(fileObject));
+                       }
+               } catch (FileSystemException e) {
+                       throw new SlcException("Cannot add children from " + parentPath, e);
+               }
+       }
+
+       public void setBase(String base) {
+               this.base = base;
+       }
+
+}