Synnefo

/*

 * Copyright 2009 Electronic Business Systems Ltd.

 *

 * This file is part of GSS.

 *

 * GSS is free software: you can redistribute it and/or modify

 * it under the terms of the GNU General Public License as published by

 * the Free Software Foundation, either version 3 of the License, or

 * (at your option) any later version.

 *

 * GSS is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 * GNU General Public License for more details.

 *

 * You should have received a copy of the GNU General Public License

 * along with GSS.  If not, see <http://www.gnu.org/licenses/>.

 */

package gr.ebs.gss.client.rest.resource;

import java.util.ArrayList;

import java.util.Date;

import java.util.HashSet;

import java.util.List;

import java.util.Set;

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

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

import com.google.gwt.i18n.client.NumberFormat;

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.JSONString;

/**

 * @author kman

 */

public class FileResource extends RestResource {

        /**

         * @param path

         */

        public FileResource(String path) {

                super(path);

                // TODO Auto-generated constructor stub

        }

        String name;

        String owner;

        String createdBy;

        String modifiedBy;

        Date creationDate;

        Date modificationDate;

        String contentType;

        Long contentLength;

        boolean readForAll;

        boolean versioned;

        Integer version;

        String etag;

        boolean deleted = false;

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

        Set<PermissionHolder> permissions = new HashSet<PermissionHolder>();

        String folderURI;

        /**

         * Retrieve the name.

         *

         * @return the name

         */

        public String getName() {

                return name;

        }

        /**

         * Modify the name.

         *

         * @param name the name to set

         */

        public void setName(String name) {

                this.name = name;

        }

        /**

         * Retrieve the owner.

         *

         * @return the owner

         */

        public String getOwner() {

                return owner;

        }

        /**

         * Modify the owner.

         *

         * @param owner the owner to set

         */

        public void setOwner(String owner) {

                this.owner = owner;

        }

        /**

         * Retrieve the createdBy.

         *

         * @return the createdBy

         */

        public String getCreatedBy() {

                return createdBy;

        }

        /**

         * Modify the createdBy.

         *

         * @param createdBy the createdBy to set

         */

        public void setCreatedBy(String createdBy) {

                this.createdBy = createdBy;

        }

        /**

         * Retrieve the modifiedBy.

         *

         * @return the modifiedBy

         */

        public String getModifiedBy() {

                return modifiedBy;

        }

        /**

         * Modify the modifiedBy.

         *

         * @param modifiedBy the modifiedBy to set

         */

        public void setModifiedBy(String modifiedBy) {

                this.modifiedBy = modifiedBy;

        }

        /**

         * Retrieve the creationDate.

         *

         * @return the creationDate

         */

        public Date getCreationDate() {

                return creationDate;

        }

        /**

         * Modify the creationDate.

         *

         * @param creationDate the creationDate to set

         */

        public void setCreationDate(Date creationDate) {

                this.creationDate = creationDate;

        }

        /**

         * Retrieve the modificationDate.

         *

         * @return the modificationDate

         */

        public Date getModificationDate() {

                return modificationDate;

        }

        /**

         * Modify the modificationDate.

         *

         * @param modificationDate the modificationDate to set

         */

        public void setModificationDate(Date modificationDate) {

                this.modificationDate = modificationDate;

        }

        /**

         * Retrieve the contentType.

         *

         * @return the contentType

         */

        public String getContentType() {

                return contentType;

        }

        /**

         * Modify the contentType.

         *

         * @param contentType the contentType to set

         */

        public void setContentType(String contentType) {

                this.contentType = contentType;

        }

        /**

         * Retrieve the contentLength.

         *

         * @return the contentLength

         */

        public Long getContentLength() {

                return contentLength;

        }

        /**

         * Modify the contentLength.

         *

         * @param contentLength the contentLength to set

         */

        public void setContentLength(Long contentLength) {

                this.contentLength = contentLength;

        }

        /**

         * Retrieve the readForAll.

         *

         * @return the readForAll

         */

        public boolean isReadForAll() {

                return readForAll;

        }

        /**

         * Modify the readForAll.

         *

         * @param readForAll the readForAll to set

         */

        public void setReadForAll(boolean readForAll) {

                this.readForAll = readForAll;

        }

        /**

         * Retrieve the versioned.

         *

         * @return the versioned

         */

        public boolean isVersioned() {

                return versioned;

        }

        /**

         * Modify the versioned.

         *

         * @param versioned the versioned to set

         */

        public void setVersioned(boolean versioned) {

                this.versioned = versioned;

        }

        /**

         * Retrieve the version.

         *

         * @return the version

         */

        public Integer getVersion() {

                return version;

        }

        /**

         * Modify the version.

         *

         * @param version the version to set

         */

        public void setVersion(Integer version) {

                this.version = version;

        }

        /**

         * Retrieve the etag.

         *

         * @return the etag

         */

        public String getEtag() {

                return etag;

        }

        /**

         * Modify the etag.

         *

         * @param etag the etag to set

         */

        public void setEtag(String etag) {

                this.etag = etag;

        }

        /**

         * Retrieve the tags.

         *

         * @return the tags

         */

        public List<String> getTags() {

                return tags;

        }

        /**

         * Modify the tags.

         *

         * @param tags the tags to set

         */

        public void setTags(List<String> tags) {

                this.tags = tags;

        }

        /**

         * Retrieve the permissions.

         *

         * @return the permissions

         */

        public Set<PermissionHolder> getPermissions() {

                return permissions;

        }

        /**

         * Modify the permissions.

         *

         * @param permissions the permissions to set

         */

        public void setPermissions(Set<PermissionHolder> permissions) {

                this.permissions = permissions;

        }

        /**

         * Retrieve the deleted.

         *

         * @return the deleted

         */

        public boolean isDeleted() {

                return deleted;

        }

        /**

         * Modify the deleted.

         *

         * @param deleted the deleted to set

         */

        public void setDeleted(boolean deleted) {

                this.deleted = deleted;

        }

        /**

         * Retrieve the folderURI.

         *

         * @return the folderURI

         */

        public String getFolderURI() {

                return folderURI;

        }

        /**

         * Modify the folderURI.

         *

         * @param folderURI the folderURI to set

         */

        public void setFolderURI(String folderURI) {

                this.folderURI = folderURI;

        }

        public void createFromJSON(String text) {

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

                name = unmarshallString(metadata, "name");

                name = URL.decodeComponent(name);

                owner = unmarshallString(metadata, "owner");

                readForAll = unmarshallBoolean(metadata, "readForAll");

                versioned = unmarshallBoolean(metadata, "versioned");

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

                        version = new Integer(metadata.get("version").toString());

                folderURI = unmarshallString(metadata, "folder");

                deleted = unmarshallBoolean(metadata, "deleted");

                if (deleted)

                        GWT.log("FOUND A DELETED FILE:" + name, null);

                if (metadata.get("permissions") != null) {

                        JSONArray perm = metadata.get("permissions").isArray();

                        if (perm != null)

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

                                        JSONObject obj = perm.get(i).isObject();

                                        if (obj != null) {

                                                PermissionHolder permission = new PermissionHolder();

                                                if (obj.get("user") != null)

                                                        permission.setUser(unmarshallString(obj, "user"));

                                                if (obj.get("group") != null)

                                                        permission.setGroup(unmarshallString(obj, "group"));

                                                permission.setRead(unmarshallBoolean(obj, "read"));

                                                permission.setWrite(unmarshallBoolean(obj, "write"));

                                                permission.setModifyACL(unmarshallBoolean(obj, "modifyACL"));

                                                permissions.add(permission);

                                        }

                                }

                }

                if (metadata.get("tags") != null) {

                        JSONArray perm = metadata.get("tags").isArray();

                        if (perm != null)

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

                                        JSONString obj = perm.get(i).isString();

                                        if(obj != null)

                                                tags.add(obj.stringValue());

                                }

                }

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

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

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

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

        }

        /**

         * Return the file size in a humanly readable form, using SI units to denote

         * size information, e.g. 1 KB = 1000 B (bytes).

         *

         * @return the fileSize

         */

        public String getFileSizeAsString() {

                return getFileSizeAsString(contentLength);

        }

        /**

         * Return the given size in a humanly readable form, using SI units to denote

         * size information, e.g. 1 KB = 1000 B (bytes).

         *

         * @param size in bytes

         * @return the size in human readable string

         */

        public static String getFileSizeAsString(long size) {

                if (size < 1024)

                        return String.valueOf(size) + " B";

                else if (size <= 1024 * 1024)

                        return getSize(size, 1024D) + " KB";

                else if (size <= 1024 * 1024 * 1024)

                        return getSize(size, (1024D * 1024D)) + " MB";

                return getSize(size, (1024D * 1024D * 1024D)) + " GB";

        }

        private static String getSize(Long size, Double division) {

                Double res = Double.valueOf(size.toString()) / division;

                NumberFormat nf = NumberFormat.getFormat("######.###");

                return nf.format(res);

        }

}