263 lines
7.8 KiB
Java
263 lines
7.8 KiB
Java
package org.gcube.portlets.user.dataminermanager.server.storage;
|
|
|
|
import java.io.InputStream;
|
|
import java.net.URL;
|
|
import java.util.HashMap;
|
|
import java.util.List;
|
|
import java.util.Map;
|
|
|
|
import org.gcube.common.storagehub.client.StreamDescriptor;
|
|
import org.gcube.common.storagehub.client.dsl.FileContainer;
|
|
import org.gcube.common.storagehub.client.dsl.ItemContainer;
|
|
import org.gcube.common.storagehub.client.dsl.ListResolver;
|
|
import org.gcube.common.storagehub.client.dsl.OpenResolver;
|
|
import org.gcube.common.storagehub.client.dsl.StorageHubClient;
|
|
import org.gcube.common.storagehub.model.Metadata;
|
|
import org.gcube.common.storagehub.model.items.AbstractFileItem;
|
|
import org.gcube.common.storagehub.model.items.FolderItem;
|
|
import org.gcube.common.storagehub.model.items.Item;
|
|
import org.gcube.data.analysis.dataminermanagercl.shared.workspace.ItemDescription;
|
|
import org.gcube.portlets.user.dataminermanager.shared.exception.ServiceException;
|
|
import org.slf4j.Logger;
|
|
import org.slf4j.LoggerFactory;
|
|
|
|
/**
|
|
*
|
|
* @author Giancarlo Panichi
|
|
*
|
|
*
|
|
*/
|
|
public class StorageUtil {
|
|
|
|
private static Logger logger = LoggerFactory.getLogger(StorageUtil.class);
|
|
|
|
/**
|
|
*
|
|
* @param user
|
|
* user
|
|
* @param itemId
|
|
* item id
|
|
* @return map properties
|
|
* @throws ServiceException
|
|
* service exception
|
|
*/
|
|
public Map<String, String> getProperties(String user, String itemId) throws ServiceException {
|
|
try {
|
|
StorageHubClient shc = new StorageHubClient();
|
|
Item item = shc.open(itemId).asItem().get();
|
|
Metadata metadata = item.getPropertyMap();
|
|
Map<String, String> itemMap = new HashMap<String, String>();
|
|
Map<String, Object> metadataMap = metadata.getValues();
|
|
for (String key : metadataMap.keySet()) {
|
|
String s = String.valueOf(metadataMap.get(key));
|
|
itemMap.put(key, s);
|
|
}
|
|
return itemMap;
|
|
|
|
} catch (Throwable e) {
|
|
logger.error("Error retrieving properties: " + e.getLocalizedMessage(), e);
|
|
throw new ServiceException(e.getLocalizedMessage(), e);
|
|
}
|
|
|
|
}
|
|
|
|
/**
|
|
*
|
|
* @param user
|
|
* user
|
|
* @param itemId
|
|
* item id
|
|
* @return input stream
|
|
* @throws ServiceException
|
|
* service exception
|
|
*/
|
|
public InputStream getFileOnWorkspace(String user, String itemId) throws ServiceException {
|
|
try {
|
|
logger.debug("getInputStreamForItemOnWorkspace: [user=" + user + ", itemId=" + itemId + "]");
|
|
StorageHubClient shc = new StorageHubClient();
|
|
FileContainer fileContainer = shc.open(itemId).asFile();
|
|
StreamDescriptor streamDescriptor = fileContainer.download();
|
|
return streamDescriptor.getStream();
|
|
|
|
} catch (Throwable e) {
|
|
logger.error("Error retrieving InputStream for File: " + e.getLocalizedMessage(), e);
|
|
throw new ServiceException(e.getLocalizedMessage(), e);
|
|
}
|
|
}
|
|
|
|
/**
|
|
*
|
|
* @param user
|
|
* User
|
|
* @param itemId
|
|
* Item id
|
|
* @return Item description
|
|
* @throws ServiceException
|
|
* Exception
|
|
*/
|
|
public ItemDescription getFileInfoOnWorkspace(String user, String itemId)
|
|
throws ServiceException {
|
|
try {
|
|
logger.info("Retrieve file info on workspace: [user=" + user + ", itemId=" + itemId + "]");
|
|
StorageHubClient shc = new StorageHubClient();
|
|
OpenResolver openResolver = shc.open(itemId);
|
|
|
|
FileContainer fileContainer = openResolver.asFile();
|
|
AbstractFileItem item = fileContainer.get();
|
|
ItemDescription itemDescription = new ItemDescription(item.getId(), item.getName(), item.getOwner(),
|
|
item.getPath(), item.getClass().getSimpleName());
|
|
itemDescription.setMimeType(item.getContent().getMimeType());
|
|
itemDescription.setLenght(String.valueOf(item.getContent().getSize()));
|
|
return itemDescription;
|
|
|
|
} catch (Throwable e) {
|
|
logger.error("Retrieve file info on workspace: " + e.getLocalizedMessage(), e);
|
|
throw new ServiceException(e.getLocalizedMessage());
|
|
}
|
|
}
|
|
|
|
/**
|
|
*
|
|
* @param user
|
|
* user
|
|
* @param itemId
|
|
* item id
|
|
* @return public link
|
|
* @throws ServiceException
|
|
* service exception
|
|
*/
|
|
public String getPublicLink(String user, String itemId) throws ServiceException {
|
|
try {
|
|
logger.debug("getPublicLink: [user=" + user + ", itemId=" + itemId + "]");
|
|
StorageHubClient shc = new StorageHubClient();
|
|
URL url = shc.open(itemId).asFile().getPublicLink();
|
|
return url.toString();
|
|
|
|
} catch (Throwable e) {
|
|
logger.error("Error retrieving public link: " + e.getLocalizedMessage(), e);
|
|
throw new ServiceException(e.getLocalizedMessage(), e);
|
|
}
|
|
}
|
|
|
|
/**
|
|
*
|
|
* @param user
|
|
* user
|
|
* @param folderId
|
|
* folder id
|
|
* @return input stream
|
|
* @throws ServiceException
|
|
* service exception
|
|
*/
|
|
public InputStream zipFolder(String user, String folderId) throws ServiceException {
|
|
try {
|
|
logger.debug("zipFolder: [user=" + user + ", folderId=" + folderId + "]");
|
|
StorageHubClient shc = new StorageHubClient();
|
|
OpenResolver openResolver = shc.open(folderId);
|
|
|
|
ItemContainer<Item> itemContainer = openResolver.asItem();
|
|
Item item = itemContainer.get();
|
|
if (item instanceof FolderItem) {
|
|
StreamDescriptor streamDescriptor = openResolver.asFolder().download();
|
|
InputStream is = streamDescriptor.getStream();
|
|
return is;
|
|
} else {
|
|
throw new ServiceException("Is not a valid folder!");
|
|
}
|
|
|
|
} catch (Throwable e) {
|
|
logger.error("Error in zip Folder: " + e.getLocalizedMessage(), e);
|
|
throw new ServiceException(e.getLocalizedMessage(), e);
|
|
}
|
|
|
|
}
|
|
|
|
/**
|
|
*
|
|
* @param user
|
|
* user
|
|
* @param itemName
|
|
* item name
|
|
* @return workspace item
|
|
* @throws ServiceException
|
|
* service exception
|
|
*/
|
|
public Item getItemInRootFolderOnWorkspace(String user, String itemName) throws ServiceException {
|
|
try {
|
|
logger.debug("GetItemInRootFolder: [user=" + user + ", itemName=" + itemName + "]");
|
|
StorageHubClient shc = new StorageHubClient();
|
|
ListResolver listResolver = shc.getWSRoot().findByName(itemName);
|
|
List<? extends Item> items = listResolver.getItems();
|
|
|
|
if (items != null && !items.isEmpty()) {
|
|
return items.get(0);
|
|
} else {
|
|
return null;
|
|
}
|
|
|
|
} catch (Throwable e) {
|
|
logger.error("Error in get Item in RootFolder: " + e.getLocalizedMessage(), e);
|
|
throw new ServiceException(e.getLocalizedMessage());
|
|
}
|
|
}
|
|
|
|
/**
|
|
*
|
|
* @param user
|
|
* user
|
|
* @param folderId
|
|
* folder id
|
|
* @param itemName
|
|
* item name
|
|
* @return workspace item
|
|
* @throws ServiceException
|
|
* service exception
|
|
*/
|
|
public Item getItemInFolderOnWorkspace(String user, String folderId, String itemName) throws ServiceException {
|
|
try {
|
|
logger.debug("GetItemInFolder: [user=" + user + ", folderId=" + folderId + ", itemName=" + itemName + "]");
|
|
StorageHubClient shc = new StorageHubClient();
|
|
ListResolver listResolver = shc.open(folderId).asFolder().findByName(itemName);
|
|
List<? extends Item> items = listResolver.getItems();
|
|
|
|
if (items != null && !items.isEmpty()) {
|
|
return items.get(0);
|
|
} else {
|
|
return null;
|
|
}
|
|
|
|
} catch (Throwable e) {
|
|
logger.error("Error in get Item in Folder: " + e.getLocalizedMessage(), e);
|
|
throw new ServiceException(e.getLocalizedMessage());
|
|
}
|
|
}
|
|
|
|
/**
|
|
*
|
|
* @param user
|
|
* user
|
|
* @param itemId
|
|
* item id
|
|
* @throws ServiceException
|
|
* service exception
|
|
*/
|
|
public void deleteItem(String user, String itemId) throws ServiceException {
|
|
try {
|
|
logger.debug("Delete Item: [User=" + user + ", ItemId=" + itemId+"]");
|
|
StorageHubClient shc = new StorageHubClient();
|
|
OpenResolver openResolver = shc.open(itemId);
|
|
|
|
ItemContainer<Item> itemContainer = openResolver.asItem();
|
|
itemContainer.delete();
|
|
|
|
return;
|
|
} catch (Throwable e) {
|
|
logger.error("Error deleting Item: " + e.getLocalizedMessage(), e);
|
|
throw new ServiceException(e.getLocalizedMessage());
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|