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426 lines
15 KiB
Java
426 lines
15 KiB
Java
package org.gcube.data.access.storagehub.services;
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import java.util.Collections;
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import java.util.List;
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import javax.enterprise.context.RequestScoped;
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import javax.inject.Inject;
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import javax.jcr.Node;
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import javax.jcr.RepositoryException;
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import javax.jcr.Session;
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import javax.servlet.ServletContext;
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import javax.ws.rs.Consumes;
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import javax.ws.rs.DELETE;
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import javax.ws.rs.FormParam;
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import javax.ws.rs.GET;
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import javax.ws.rs.PUT;
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import javax.ws.rs.Path;
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import javax.ws.rs.Produces;
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import javax.ws.rs.QueryParam;
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import javax.ws.rs.core.Context;
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import javax.ws.rs.core.MediaType;
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import javax.ws.rs.core.Response;
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import org.apache.jackrabbit.api.JackrabbitSession;
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import org.gcube.common.gxrest.response.outbound.GXOutboundErrorResponse;
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import org.gcube.common.storagehub.model.Excludes;
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import org.gcube.common.storagehub.model.Paths;
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import org.gcube.common.storagehub.model.exceptions.BackendGenericError;
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import org.gcube.common.storagehub.model.exceptions.InvalidCallParameters;
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import org.gcube.common.storagehub.model.exceptions.InvalidItemException;
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import org.gcube.common.storagehub.model.exceptions.StorageHubException;
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import org.gcube.common.storagehub.model.exceptions.UserNotAuthorizedException;
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import org.gcube.common.storagehub.model.items.FolderItem;
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import org.gcube.common.storagehub.model.items.Item;
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import org.gcube.common.storagehub.model.items.TrashItem;
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import org.gcube.common.storagehub.model.service.ItemList;
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import org.gcube.common.storagehub.model.service.ItemWrapper;
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import org.gcube.data.access.storagehub.AuthorizationChecker;
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import org.gcube.data.access.storagehub.Constants;
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import org.gcube.data.access.storagehub.PathUtil;
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import org.gcube.data.access.storagehub.Range;
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import org.gcube.data.access.storagehub.StorageHubAppllicationManager;
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import org.gcube.data.access.storagehub.Utils;
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import org.gcube.data.access.storagehub.handlers.CredentialHandler;
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import org.gcube.data.access.storagehub.handlers.TrashHandler;
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import org.gcube.data.access.storagehub.handlers.items.Item2NodeConverter;
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import org.gcube.data.access.storagehub.handlers.items.Node2ItemConverter;
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import org.gcube.data.access.storagehub.handlers.items.builders.FolderCreationParameters;
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import org.gcube.data.access.storagehub.handlers.plugins.FolderPluginHandler;
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import org.gcube.data.access.storagehub.handlers.vres.VRE;
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import org.gcube.data.access.storagehub.handlers.vres.VREManager;
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import org.gcube.data.access.storagehub.query.sql2.evaluators.Evaluators;
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import org.gcube.smartgears.annotations.ManagedBy;
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import org.gcube.smartgears.utils.InnerMethodName;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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@Path("/")
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@ManagedBy(StorageHubAppllicationManager.class)
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public class WorkspaceManager extends Impersonable{
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private static final Logger log = LoggerFactory.getLogger(WorkspaceManager.class);
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RepositoryInitializer repository = StorageHubAppllicationManager.repository;
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@Inject
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Evaluators evaluator;
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@Inject
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PathUtil pathUtil;
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@Inject
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VREManager vreManager;
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@Context
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ServletContext context;
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@Inject
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AuthorizationChecker authChecker;
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@Inject
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TrashHandler trashHandler;
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@RequestScoped
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@QueryParam("exclude")
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private List<String> excludes = Collections.emptyList();
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@Inject Node2ItemConverter node2Item;
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@Inject Item2NodeConverter item2Node;
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@Inject
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FolderPluginHandler folderHandler;
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@Path("/")
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@GET
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@Produces(MediaType.APPLICATION_JSON)
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public ItemWrapper<Item> getWorkspace(@QueryParam("relPath") String relPath){
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InnerMethodName.instance.set("getWorkspace");
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Session ses = null;
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org.gcube.common.storagehub.model.Path absolutePath;
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if (relPath==null)
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absolutePath = pathUtil.getWorkspacePath(currentUser);
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else absolutePath = Paths.append(pathUtil.getWorkspacePath(currentUser), relPath);
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Item toReturn = null;
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try{
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ses = repository.getRepository().login(CredentialHandler.getAdminCredentials(context));
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//TODO: remove when all user will have TRASH
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org.gcube.common.storagehub.model.Path trashPath = pathUtil.getTrashPath(currentUser, ses);
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if (!ses.nodeExists(trashPath.toPath())) {
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Node wsNode = ses.getNode(pathUtil.getWorkspacePath(currentUser).toPath());
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FolderCreationParameters trashFolderParameters = FolderCreationParameters.builder().name(Constants.TRASH_ROOT_FOLDER_NAME)
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.description("trash of "+currentUser)
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.author(currentUser).on(wsNode.getIdentifier()).with(ses).build();
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Utils.createFolderInternally(trashFolderParameters, null);
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ses.save();
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}
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Node node = ses.getNode(absolutePath.toPath());
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authChecker.checkReadAuthorizationControl(ses, currentUser, node.getIdentifier());
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toReturn = node2Item.getItem(node, excludes);
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}catch(RepositoryException re ){
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log.error("jcr error getting workspace item", re);
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GXOutboundErrorResponse.throwException(new BackendGenericError(re));
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}catch(StorageHubException she ){
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log.error(she.getErrorMessage(), she);
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GXOutboundErrorResponse.throwException(she, Response.Status.fromStatusCode(she.getStatus()));
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}finally{
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if (ses!=null)
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ses.logout();
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}
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return new ItemWrapper<Item>(toReturn);
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}
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@Path("vrefolder")
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@GET
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@Produces(MediaType.APPLICATION_JSON)
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public ItemWrapper<Item> getVreRootFolder(){
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InnerMethodName.instance.set("getVreRootFolder");
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JackrabbitSession ses = null;
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Item vreItem = null;
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try {
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ses = (JackrabbitSession) repository.getRepository().login(CredentialHandler.getAdminCredentials(context));
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vreItem = vreManager.getVreFolderItem(ses, currentUser, excludes).getVreFolder();
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}catch(RepositoryException re ){
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log.error("jcr error getting vrefolder", re);
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GXOutboundErrorResponse.throwException(new BackendGenericError(re));
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}catch(StorageHubException she ){
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log.error(she.getErrorMessage(), she);
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GXOutboundErrorResponse.throwException(she, Response.Status.fromStatusCode(she.getStatus()));
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}finally{
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if (ses!=null)
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ses.logout();
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}
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return new ItemWrapper<Item>(vreItem);
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}
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@Path("vrefolder/recents")
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@GET
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@Produces(MediaType.APPLICATION_JSON)
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public ItemList getVreFolderRecentsDocument(){
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InnerMethodName.instance.set("getVreFolderRecents");
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JackrabbitSession ses = null;
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List<Item> recentItems = Collections.emptyList();
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try{
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ses = (JackrabbitSession) repository.getRepository().login(CredentialHandler.getAdminCredentials(context));
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VRE vre = vreManager.getVreFolderItem(ses, currentUser, excludes);
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log.trace("VRE retrieved {}",vre.getVreFolder().getTitle());
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recentItems = vre.getRecents();
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log.trace("recents retrieved {}",vre.getVreFolder().getTitle());
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return new ItemList(recentItems);
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}catch(RepositoryException re ){
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log.error("jcr error getting recents", re);
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GXOutboundErrorResponse.throwException(new BackendGenericError(re));
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}catch(StorageHubException she ){
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log.error(she.getErrorMessage(), she);
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GXOutboundErrorResponse.throwException(she, Response.Status.fromStatusCode(she.getStatus()));
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}finally{
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if (ses!=null)
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ses.logout();
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}
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return new ItemList(recentItems);
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}
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@Path("trash")
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@GET
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@Produces(MediaType.APPLICATION_JSON)
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public ItemWrapper<Item> getTrashRootFolder(){
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InnerMethodName.instance.set("getTrashRootFolder");
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Session ses = null;
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Item item = null;
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try{
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long start = System.currentTimeMillis();
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ses = repository.getRepository().login(CredentialHandler.getAdminCredentials(context));
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org.gcube.common.storagehub.model.Path trashPath = pathUtil.getTrashPath(currentUser, ses);
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log.info("time to connect to repo {}",(System.currentTimeMillis()-start));
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Node folder = ses.getNode(trashPath.toPath());
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item = node2Item.getItem(folder, excludes);
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}catch(RepositoryException re ){
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log.error("jcr error getting trash", re);
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GXOutboundErrorResponse.throwException(new BackendGenericError(re));
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}catch(StorageHubException she ){
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log.error(she.getErrorMessage(), she);
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GXOutboundErrorResponse.throwException(she, Response.Status.fromStatusCode(she.getStatus()));
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}finally{
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if (ses!=null)
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ses.logout();
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}
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return new ItemWrapper<Item>(item);
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}
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@Path("trash/empty")
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@DELETE
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public String emptyTrash(){
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InnerMethodName.instance.set("emptyTrash");
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Session ses = null;
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String toReturn = null;
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try{
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ses = repository.getRepository().login(CredentialHandler.getAdminCredentials(context));
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org.gcube.common.storagehub.model.Path trashPath = pathUtil.getTrashPath(currentUser, ses);
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Node trashNode = ses.getNode(trashPath.toPath());
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List<Item> itemsToDelete = Utils.getItemList(trashNode, Excludes.ALL, null, true, null);
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trashHandler.removeNodes(ses, itemsToDelete);
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toReturn = trashNode.getIdentifier();
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}catch(RepositoryException re ){
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log.error("jcr error emptying trash", re);
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GXOutboundErrorResponse.throwException(new BackendGenericError(re));
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}catch(StorageHubException she ){
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log.error(she.getErrorMessage(), she);
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GXOutboundErrorResponse.throwException(she, Response.Status.fromStatusCode(she.getStatus()));
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}finally{
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if (ses!=null)
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ses.logout();
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}
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return toReturn;
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}
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@PUT
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@Consumes(MediaType.APPLICATION_FORM_URLENCODED)
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@Path("trash/restore")
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public String restoreItem(@FormParam("trashedItemId") String trashedItemId,@FormParam("destinationId") String destinationFolderId){
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InnerMethodName.instance.set("restoreItem");
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Session ses = null;
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String toReturn = null;
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try{
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log.info("restoring node with id {}", trashedItemId);
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ses = repository.getRepository().login(CredentialHandler.getAdminCredentials(context));
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final Node nodeToRestore = ses.getNodeByIdentifier(trashedItemId);
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Item itemToRestore = node2Item.getItem(nodeToRestore, Excludes.ALL);
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if (!(itemToRestore instanceof TrashItem))
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throw new InvalidItemException("Only trash items can be restored");
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org.gcube.common.storagehub.model.Path trashPath = pathUtil.getTrashPath(currentUser, ses);
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if (!itemToRestore.getPath().startsWith(trashPath.toPath()))
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throw new UserNotAuthorizedException("this item is not in the user "+currentUser+" trash");
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Item destinationItem = null;
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if (destinationFolderId!=null ) {
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destinationItem = node2Item.getItem(ses.getNodeByIdentifier(destinationFolderId), Excludes.ALL);
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if (!(destinationItem instanceof FolderItem))
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throw new InvalidCallParameters("destintation item is not a folder");
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toReturn = trashHandler.restoreItem(ses, (TrashItem)itemToRestore, (FolderItem) destinationItem, currentUser);
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} else
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toReturn = trashHandler.restoreItem(ses, (TrashItem)itemToRestore, null, currentUser);
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}catch(RepositoryException re ){
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log.error("error restoring item with id {}",trashedItemId, re);
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GXOutboundErrorResponse.throwException(new BackendGenericError(re));
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}catch(StorageHubException she ){
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log.error(she.getErrorMessage(), she);
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GXOutboundErrorResponse.throwException(she, Response.Status.fromStatusCode(she.getStatus()));
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}finally{
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if (ses!=null) {
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ses.logout();
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}
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}
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return toReturn;
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}
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@Path("vrefolders")
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@GET
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@Produces(MediaType.APPLICATION_JSON)
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public ItemList getVreFolders(){
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InnerMethodName.instance.set("getVreFolders");
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Session ses = null;
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List<? extends Item> toReturn = null;
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org.gcube.common.storagehub.model.Path vrePath = null;
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try{
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ses = repository.getRepository().login(CredentialHandler.getAdminCredentials(context));
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vrePath = pathUtil.getVREsPath(currentUser, ses);
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log.info("vres folder path is {}",vrePath.toPath());
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toReturn = Utils.getItemList(ses.getNode(vrePath.toPath()) , excludes, null, false, null);
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}catch(RepositoryException re ){
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log.error("error reading the node children of {}",vrePath, re);
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GXOutboundErrorResponse.throwException(new BackendGenericError(re));
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}catch(StorageHubException she ){
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log.error(she.getErrorMessage(), she);
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GXOutboundErrorResponse.throwException(she, Response.Status.fromStatusCode(she.getStatus()));
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}finally{
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if (ses!=null)
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ses.logout();
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}
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return new ItemList(toReturn);
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}
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@Path("vrefolders/paged")
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@GET
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@Produces(MediaType.APPLICATION_JSON)
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public ItemList getVreFoldersPaged(@QueryParam("start") Integer start, @QueryParam("limit") Integer limit){
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InnerMethodName.instance.set("getVreFoldersPaged");
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Session ses = null;
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org.gcube.common.storagehub.model.Path vrePath = null;
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List<? extends Item> toReturn = null;
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try{
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ses = repository.getRepository().login(CredentialHandler.getAdminCredentials(context));
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vrePath = pathUtil.getVREsPath(currentUser, ses);
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toReturn = Utils.getItemList(ses.getNode(vrePath.toPath()) , excludes, new Range(start, limit), false, null);
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}catch(RepositoryException re ){
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log.error("(paged) error reading the node children of {}",vrePath, re);
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GXOutboundErrorResponse.throwException(new BackendGenericError(re));
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}catch(StorageHubException she ){
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log.error(she.getErrorMessage(), she);
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GXOutboundErrorResponse.throwException(she, Response.Status.fromStatusCode(she.getStatus()));
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}finally{
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if (ses!=null)
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ses.logout();
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}
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return new ItemList(toReturn);
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}
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/*
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@Path("query")
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@GET
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@Produces(MediaType.APPLICATION_JSON)
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public ItemList searchItems(@QueryParam("n") String node, @QueryParam("e") String jsonExpr, @QueryParam("o") List<String> orderField, @QueryParam("l") Integer limit, @QueryParam("f") Integer offset){
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InnerMethodName.instance.set("searchItems");
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Session ses = null;
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List<? extends Item> toReturn = new ArrayList<>();
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try{
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ObjectMapper mapper = new ObjectMapper();
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Expression<Boolean> expression = mapper.readValue(jsonExpr, Expression.class);
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String stringExpression = evaluator.evaluate(new And(new ISDescendant(pathUtil.getWorkspacePath(currentUser)), expression));
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String orderBy = "";
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if (orderField!=null && orderField.size()>0)
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orderBy= String.format("ORDER BY %s", orderField.stream().collect(Collectors.joining(",")).toString());
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String sql2Query = String.format("SELECT * FROM [%s] AS node WHERE %s %s ",node, stringExpression,orderBy);
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log.info("query sent is {}",sql2Query);
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ses = repository.getRepository().login(CredentialHandler.getAdminCredentials(context));
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Query jcrQuery = ses.getWorkspace().getQueryManager().createQuery(sql2Query, Constants.QUERY_LANGUAGE);
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if (limit!=null && limit!=-1 )
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jcrQuery.setLimit(limit);
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if (offset!=null && offset!=-1 )
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jcrQuery.setOffset(offset);
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QueryResult result = jcrQuery.execute();
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NodeIterator it = result.getNodes();
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while (it.hasNext())
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toReturn.add(node2Item.getItem(it.nextNode(), null));
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}catch(RepositoryException | IOException re ){
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log.error("error executing the query", re);
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GXOutboundErrorResponse.throwException(new BackendGenericError(re));
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}catch(StorageHubException she ){
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log.error(she.getErrorMessage(), she);
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GXOutboundErrorResponse.throwException(she, Response.Status.fromStatusCode(she.getStatus()));
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}finally{
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if (ses!=null)
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ses.logout();
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}
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return new ItemList(toReturn);
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}
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*/
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@Path("count")
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@GET
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public String getTotalItemsCount(){
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InnerMethodName.instance.set("getTotalItemsCount");
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return folderHandler.getDefault().getStorageBackend().getTotalItemsCount();
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}
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@Path("size")
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@GET
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public String getTotalVolume(){
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InnerMethodName.instance.set("getTotalSize");
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return folderHandler.getDefault().getStorageBackend().getTotalSizeStored();
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}
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}
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