/*
- * Copyright (c) 2011 Greek Research and Technology Network
+ * Copyright 2011-2012 GRNET S.A. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or
+ * without modification, are permitted provided that the following
+ * conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer in the documentation and/or other materials
+ * provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY GRNET S.A. ``AS IS'' AND ANY EXPRESS
+ * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GRNET S.A OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
+ * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+ * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ * The views and conclusions contained in the software and
+ * documentation are those of the authors and should not be
+ * interpreted as representing official policies, either expressed
+ * or implied, of GRNET S.A.
*/
package gr.grnet.pithos.web.client.foldertree;
+import gr.grnet.pithos.web.client.Pithos;
+
+import java.util.Date;
+import java.util.HashMap;
+import java.util.LinkedHashSet;
+import java.util.Map;
+import java.util.Set;
+
+import com.google.gwt.core.client.GWT;
import com.google.gwt.http.client.Response;
+import com.google.gwt.http.client.URL;
import com.google.gwt.i18n.client.DateTimeFormat;
import com.google.gwt.i18n.client.DateTimeFormat.PredefinedFormat;
import com.google.gwt.json.client.JSONArray;
import com.google.gwt.json.client.JSONObject;
import com.google.gwt.json.client.JSONParser;
import com.google.gwt.json.client.JSONValue;
-import java.util.Date;
-import java.util.LinkedHashSet;
-import java.util.Set;
public class Folder extends Resource {
/*
private long bytesUsed = 0;
+ private Folder parent = null;
+
private Set<Folder> subfolders = new LinkedHashSet<Folder>();
/*
* The name of the container that this folder belongs to. If this folder is container, this field equals name
*/
private String prefix = "";
+ private Set<File> files = new LinkedHashSet<File>();
+
+ private String owner;
+
+ private Map<String, Boolean[]> permissions = new HashMap<String, Boolean[]>();
+
+ private String inheritedPermissionsFrom;
+
public Folder() {};
public Folder(String name) {
return name;
}
- public Date getLastModified() {
+ @Override
+ public Date getLastModified() {
return lastModified;
}
return bytesUsed;
}
- public void setLastModified(Date lastModified) {
- this.lastModified = lastModified;
- }
-
public Set<Folder> getSubfolders() {
return subfolders;
}
return prefix;
}
- public void setPrefix(String prefix) {
- this.prefix = prefix;
+ private void parsePermissions(String rawPermissions) {
+ String[] readwrite = rawPermissions.split(";");
+ for (String s : readwrite) {
+ String[] part = s.split("=");
+ String perm = part[0].trim();
+ String[] users = part[1].split(",");
+ for (String u : users) {
+ String user = u.trim();
+ Boolean[] userPerm = permissions.get(u);
+ if (userPerm == null) {
+ userPerm = new Boolean[2];
+ permissions.put(user, userPerm);
+ }
+ if (perm.equals("read")) {
+ userPerm[0] = Boolean.TRUE;
+ }
+ else if (perm.equals("write")) {
+ userPerm[1] = Boolean.TRUE;
+ }
+ }
+ }
}
- public void populate(Response response) {
+ public void populate(String _owner, Response response) {
+ this.owner = _owner;
String header = response.getHeader("Last-Modified");
if (header != null)
- lastModified = DateTimeFormat.getFormat(PredefinedFormat.RFC_2822).parse(header);
+ try {
+ lastModified = DateTimeFormat.getFormat(PredefinedFormat.RFC_2822).parse(header);
+ } catch (IllegalArgumentException e) {
+ GWT.log("Last-Modified will be set to null", e);
+ lastModified = null;
+ }
header = response.getHeader("X-Container-Bytes-Used");
- if (header != null)
+ if (header != null && header.length() > 0)
bytesUsed = Long.valueOf(header);
+ String rawPermissions = response.getHeader("X-Object-Sharing");
+ if (rawPermissions != null && rawPermissions.length() > 0) {
+ parsePermissions(URL.decodePathSegment(rawPermissions));
+ }
+
+ if (response.getText() == null || response.getText().isEmpty())
+ return;
JSONValue json = JSONParser.parseStrict(response.getText());
JSONArray array = json.isArray();
if (array != null) {
+ subfolders.clear(); //This is necessary in case we update a pre-existing Folder so that stale subfolders won't show up
+ files.clear();
for (int i=0; i<array.size(); i++) {
JSONObject o = array.get(i).isObject();
if (o != null) {
String contentType = unmarshallString(o, "content_type");
- if (o.containsKey("subdir") || (contentType != null && contentType.startsWith("application/directory"))) {
+ if (o.containsKey("subdir") || (contentType != null && (contentType.startsWith("application/directory") || contentType.startsWith("application/folder")))) {
Folder f = new Folder();
- f.populate(o, container);
- subfolders.add(f);
+ f.populate(this, o, _owner, container);
+ if (f.getName().length() > 0)
+ subfolders.add(f);
}
else {
- // add file
+ File file = new File();
+ file.populate(this, o, _owner, container);
+ if (file.getName().length() > 0)
+ files.add(file);
}
}
}
}
}
- public void populate(JSONObject o, String aContainer) {
+ public void populate(Folder _parent, JSONObject o, String _owner, String aContainer) {
+ this.parent = _parent;
String path = null;
if (o.containsKey("subdir")) {
path = unmarshallString(o, "subdir");
+ if (path.endsWith("/")) { //Always true for "subdir"
+ path = path.substring(0, path.length() - 1);
+ }
+ if (parent != null && parent.getPrefix().length() > 0)
+ name = path.substring(parent.getPrefix().length() + 1);
+ else
+ name = path;
+ if (name.equals("/"))
+ name = "";
}
else {
path = unmarshallString(o, "name");
lastModified = unmarshallDate(o, "last_modified");
+ if (parent != null && parent.getPrefix().length() > 0)
+ name = path.substring(parent.getPrefix().length() + 1);
+ else
+ name = path;
}
- if (path.endsWith("/"))
- path = path.substring(0, path.length() - 1);
- if (path.contains("/"))
- name = path.substring(path.lastIndexOf("/") + 1, path.length()); //strip the prefix
- else
- name = path;
if (aContainer != null) {
container = aContainer;
prefix = path;
container = name;
prefix = "";
}
- }
+ this.owner = _owner;
- @Override
- public String getLastModifiedSince() {
- return null; //To change body of implemented methods use File | Settings | File Templates.
+ inheritedPermissionsFrom = unmarshallString(o, "x_object_shared_by");
+ String rawPermissions = unmarshallString(o, "x_object_sharing");
+ if (rawPermissions != null)
+ parsePermissions(rawPermissions);
}
- public static Folder createFromResponse(Response response, Folder result) {
+ public static Folder createFromResponse(String owner, Response response, Folder result) {
Folder f = null;
if (result == null)
f = new Folder();
else
f = result;
- f.populate(response);
+ f.populate(owner, response);
return f;
}
public boolean equals(Object other) {
if (other instanceof Folder) {
Folder o = (Folder) other;
- if (container != null)
- return prefix.equals(o.getPrefix()) && container.equals(o.getContainer());
- else
- return o.getContainer() == null && name.equals(o.getName());
+ return getUri().equals(o.getUri());
}
return false;
}
@Override
public int hashCode() {
- return prefix.hashCode() + name.hashCode();
+ return getUri().hashCode();
+ }
+
+ public Set<File> getFiles() {
+ return files;
+ }
+
+ public Folder getParent() {
+ return parent;
}
+
+ public String getUri() {
+ return "/" + container + (prefix.length() == 0 ? "" : "/" + prefix);
+ }
+
+ public boolean isContainer() {
+ return parent == null;
+ }
+
+ public void setContainer(String container) {
+ this.container = container;
+ }
+
+ public String getInheritedPermissionsFrom() {
+ return inheritedPermissionsFrom;
+ }
+
+ public Map<String, Boolean[]> getPermissions() {
+ return permissions;
+ }
+
+ public String getOwner() {
+ return owner;
+ }
+
+ public boolean existChildrenPermissions() {
+ for (File f : files)
+ if (!f.getPermissions().isEmpty() && f.getInheritedPermissionsFrom() == null)
+ return true;
+
+ for (Folder fo : subfolders)
+ if ((!fo.getPermissions().isEmpty() && fo.getInheritedPermissionsFrom() == null) || fo.existChildrenPermissions())
+ return true;
+ return false;
+ }
+
+ public boolean isShared() {
+ return !permissions.isEmpty();
+ }
+
+ /**
+ * I am THE trash
+ *
+ * @return
+ */
+ public boolean isTrash() {
+ return isContainer() && name.equals(Pithos.TRASH_CONTAINER);
+ }
+
+ /**
+ * I am IN THE trash
+ *
+ * @return
+ */
+ public boolean isInTrash() {
+ return container.equals(Pithos.TRASH_CONTAINER);
+ }
+
+ public boolean isHome() {
+ return isContainer() && name.equals(Pithos.HOME_CONTAINER);
+ }
+
+ public boolean contains(Folder folder) {
+ for (Folder f : subfolders)
+ if (f.equals(folder) || f.contains(folder))
+ return true;
+ return false;
+ }
}