Synnefo » Pithos

/*

 * Copyright 2011 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.rest.resource;

import gr.grnet.pithos.web.client.rest.MultipleGetCommand;

import gr.grnet.pithos.web.client.rest.MultipleGetCommand.Cached;

import java.util.ArrayList;

import java.util.Date;

import java.util.LinkedList;

import java.util.List;

import com.google.gwt.core.client.GWT;

import com.google.gwt.http.client.URL;

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.user.client.ui.TreeItem;

public class SharedResource extends RestResource{

        public SharedResource(String aUri) {

                super(aUri);

        }

        List<String> filePaths = new LinkedList<String>();

        List<String> subfolderPaths = new LinkedList<String>();

        List<FolderResource> folders = new ArrayList<FolderResource>();

        List<FileResource> files = new ArrayList<FileResource>();

        private boolean filesExpanded=false;

        /**

         * Retrieve the files.

         *

         * @return the files

         */

        public List<String> getFilePaths() {

                return filePaths;

        }

        /**

         * Modify the files.

         *

         * @param newFilePaths the files to set

         */

        public void setFilePaths(List<String> newFilePaths) {

                filePaths = newFilePaths;

        }

        /**

         * Retrieve the subfolders.

         *

         * @return the subfolders

         */

        public List<String> getSubfolderPaths() {

                return subfolderPaths;

        }

        /**

         * Modify the subfolder paths.

         *

         * @param newSubfolderPaths the subfolder paths to set

         */

        public void setSubfolderPaths(List<String> newSubfolderPaths) {

                subfolderPaths = newSubfolderPaths;

        }

        /**

         * Retrieve the folders.

         *

         * @return the folders

         */

        public List<FolderResource> getFolders() {

                return folders;

        }

        /**

         * Modify the folders.

         *

         * @param newFolders the folders to set

         */

        public void setFolders(List<FolderResource> newFolders) {

                folders = newFolders;

        }

        /**

         * Retrieve the files.

         *

         * @return the files

         */

        public List<FileResource> getFiles() {

                return files;

        }

        /**

         * Modify the files.

         *

         * @param newFiles the files to set

         */

        public void setFiles(List<FileResource> newFiles) {

                files = newFiles;

        }

        @Override

        public void createFromJSON(String text) {

                JSONObject json = (JSONObject) JSONParser.parse(text);

                if (json.get("folders") != null) {

                        JSONArray subs = json.get("folders").isArray();

                        if (subs != null)

                                for (int i = 0; i < subs.size(); i++) {

                                        JSONObject so = subs.get(i).isObject();

                                        if (so != null) {

                                                String subUri = unmarshallString(so, "uri");

                                                String subName = unmarshallString(so, "name");

                                                if (subUri != null && subName != null) {

                                                        if (!subUri.endsWith("/"))

                                                                subUri = subUri + "/";

                                                        FolderResource sub = new FolderResource(subUri);

                                                        sub.setName(subName);

                                                        sub.setNeedsExpanding(true);

                                                        folders.add(sub);

                                                        subfolderPaths.add(subUri);

                                                }

                                        }

                                }

                }

                if (json.get("files") != null) {

                        JSONArray subs = json.get("files").isArray();

                        if (subs != null)

                                for (int i = 0; i < subs.size(); i++) {

                                        JSONObject fo = subs.get(i).isObject();

                                        if (fo != null) {

                                                String fname = unmarshallString(fo, "name");

                                                String fowner = unmarshallString(fo, "owner");

                                                String fcontent = unmarshallString(fo, "content");

                                                boolean fversioned = unmarshallBoolean(fo, "versioned");

                                                Integer fversion = null;

                                                if (fo.get("version") != null)

                                                        fversion = new Integer(fo.get("version").toString());

                                                boolean fdeleted = unmarshallBoolean(fo, "deleted");

                                                Date fcreationDate = null;

                                                if (fo.get("creationDate") != null)

                                                        fcreationDate = new Date(new Long(fo.get("creationDate").toString()));

                                                Date fmodificationDate = null;

                                                if (fo.get("modificationDate") != null)

                                                        fmodificationDate = new Date(new Long(fo.get("modificationDate").toString()));

                                                String furi = unmarshallString(fo,"uri");

                                                Long fsize = 0L;

                                                if(fo.get("size") != null)

                                                        fsize = new Long(fo.get("size").toString());

                                                filePaths.add(furi);

                                                String fpath = unmarshallString(fo, "path");

                                                fpath = URL.decodeComponent(fpath);

                                                FileResource fs = new FileResource(furi);

                                                fs.setPath(fpath);

                                                fs.setName(fname);

                                                fs.setOwner(fowner);

                                                fs.setVersion(fversion);

                                                fs.setVersioned(unmarshallBoolean(fo, "versioned"));

                                                fs.setContentLength(fsize);

                                                fs.setDeleted(fdeleted);

                                                fs.setShared(unmarshallBoolean(fo,"shared"));

                                                fs.setVersioned(fversioned);

                                                fs.setCreationDate(fcreationDate);

                                                fs.setModificationDate(fmodificationDate);

                                                fs.setContentType(fcontent);

                                                files.add(fs);

                                        }

                                }

                }

        }

        public List<String> getRootSharedFiles(){

                List<String> res = new ArrayList<String>();

                for(String f : getFilePaths()){

                        boolean contained = false;

                        for(String fo : getSubfolderPaths())

                                if(f.startsWith(fo))

                                        contained = true;

                        if(!contained)

                                res.add(f);

                }

                return res;

        }

        @Override

        public String getLastModifiedSince() {

                return null;

        }

        public MultipleGetCommand.Cached[] getFileCache(){

                if(getFilePaths().size() != getFiles().size()){

                        GWT.log("MISMATCH IN PATH AND FILES SIZE", null);

                        return null;

                }

                if(!filesExpanded)

                        return null;

                MultipleGetCommand.Cached[] result = new MultipleGetCommand.Cached[getFilePaths().size()];

                for(int i=0; i<getFiles().size();i++){

                        FileResource r = getFiles().get(i);

                        Cached c = new Cached();

                        c.cache=r;

                        c.uri=r.uri;

                        result[i] = c;

                }

                return result;

        }

        public void setFilesExpanded(boolean newFilesExpanded) {

                filesExpanded = newFilesExpanded;

        }

        @Override

        public String constructUri(TreeItem treeItem, String path){

                String constructedUri = "Files/"+ getUri().substring(path.lastIndexOf("/")+1);

                return constructedUri;

        }

}