/*
- * 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 java.util.ArrayList;
-import java.util.List;
+import gr.grnet.pithos.web.client.Pithos;
-public class Folder {
- private String uri;
+import java.util.Date;
+import java.util.HashMap;
+import java.util.LinkedHashSet;
+import java.util.Map;
+import java.util.Set;
- private String name;
+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;
- private List<Folder> subfolders = new ArrayList<Folder>();
+public class Folder extends Resource {
+ /*
+ * The name of the folder. If the folder is a container this is its name. If it is a virtual folder this is the
+ * last part of its path
+ */
+ private String name = null;
+
+ private Date lastModified = null;
+
+ 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 container = null;
+
+ /*
+ * This is the full path of the folder (prefix is a misnomer but it was named so because this is used as a prefix=
+ * parameter in the request that fetches its children). If the folder is a cointainer this is empty string
+ */
+ 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) {
this.name = name;
}
+
+ public String getName() {
+ return name;
+ }
- public String getUri() {
- return uri;
+ @Override
+ public Date getLastModified() {
+ return lastModified;
}
- public String getName() {
- return name;
+ public long getBytesUsed() {
+ return bytesUsed;
}
- public List<Folder> getSubfolders() {
+ public Set<Folder> getSubfolders() {
return subfolders;
}
- public void setSubfolders(List<Folder> subfolders) {
+ public void setSubfolders(Set<Folder> subfolders) {
this.subfolders = subfolders;
}
+
+ public String getContainer() {
+ return container;
+ }
+
+ public String getPrefix() {
+ return 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(String _owner, Response response) {
+ this.owner = _owner;
+ String header = response.getHeader("Last-Modified");
+ if (header != null)
+ 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 && 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") || contentType.startsWith("application/folder")))) {
+ Folder f = new Folder();
+ f.populate(this, o, _owner, container);
+ if (f.getName().length() > 0)
+ subfolders.add(f);
+ }
+ else {
+ File file = new File();
+ file.populate(this, o, _owner, container);
+ if (file.getName().length() > 0)
+ files.add(file);
+ }
+ }
+ }
+ }
+ }
+
+ 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 (aContainer != null) {
+ container = aContainer;
+ prefix = path;
+ }
+ else {
+ container = name;
+ prefix = "";
+ }
+ this.owner = _owner;
+
+ inheritedPermissionsFrom = unmarshallString(o, "x_object_shared_by");
+ String rawPermissions = unmarshallString(o, "x_object_sharing");
+ if (rawPermissions != null)
+ parsePermissions(rawPermissions);
+ }
+
+ public static Folder createFromResponse(String owner, Response response, Folder result) {
+ Folder f = null;
+ if (result == null)
+ f = new Folder();
+ else
+ f = result;
+
+ f.populate(owner, response);
+ return f;
+ }
+
+ @Override
+ public boolean equals(Object other) {
+ if (other instanceof Folder) {
+ Folder o = (Folder) other;
+ return getUri().equals(o.getUri());
+ }
+ return false;
+ }
+
+ @Override
+ public int 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;
+ }
}
projects / pithos-web-client / blobdiff