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92 lines
3.3 KiB
Java
92 lines
3.3 KiB
Java
package org.gcube.data.access.storagehub.storage.backend.impl;
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import java.io.InputStream;
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import java.util.UUID;
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import org.gcube.common.authorization.library.provider.AuthorizationProvider;
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import org.gcube.common.storagehub.model.items.AbstractFileItem;
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import org.gcube.common.storagehub.model.items.nodes.Content;
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import org.gcube.common.storagehub.model.storages.MetaInfo;
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import org.gcube.common.storagehub.model.storages.StorageBackend;
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import org.gcube.contentmanagement.blobstorage.service.IClient;
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import org.gcube.contentmanager.storageclient.wrapper.AccessType;
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import org.gcube.contentmanager.storageclient.wrapper.MemoryType;
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import org.gcube.contentmanager.storageclient.wrapper.StorageClient;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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public class GCubeStorageBackend implements StorageBackend {
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private static final Logger log = LoggerFactory.getLogger(GCubeStorageBackend.class);
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private final static String SERVICE_NAME = "home-library";
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private final static String SERVICE_CLASS = "org.gcube.portlets.user";
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protected GCubeStorageBackend() {}
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@Override
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public InputStream download(Content content) {
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return getStorageClient(AuthorizationProvider.instance.get().getClient().getId()).getClient().get().RFileAsInputStream(content.getStorageId());
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}
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@Override
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public String getName() {
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return GCubeStorageBackend.class.getName();
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}
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@Override
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public String onCopy(AbstractFileItem item) {
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String newStorageID = getStorageClient(AuthorizationProvider.instance.get().getClient().getId()).getClient().copyFile(true).from(item.getContent().getStorageId()).to(item.getPath());
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log.info("copying storage Id {} to newPath {} and the id returned by storage is {}", item.getContent().getStorageId(), item.getPath(), newStorageID);
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return newStorageID;
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}
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@Override
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public String onMove(AbstractFileItem item) {
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return item.getContent().getStorageId();
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}
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@Override
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public MetaInfo upload(InputStream stream, String relPath, String name) {
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log.debug("uploading file");
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IClient storageClient = getStorageClient(AuthorizationProvider.instance.get().getClient().getId()).getClient();
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String uid = UUID.randomUUID().toString();
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String remotePath= String.format("%s/%s-%s",relPath,uid,name);
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String storageId =storageClient.put(true).LFile(stream).RFile(remotePath);
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long size = storageClient.getSize().RFileById(storageId);
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MetaInfo info = new MetaInfo();
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info.setSize(size);
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info.setStorageId(storageId);
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info.setRemotePath(remotePath);
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return info;
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}
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@Override
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public void onDelete(Content content) {
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log.debug("deleting");
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IClient storageClient = getStorageClient(AuthorizationProvider.instance.get().getClient().getId()).getClient();
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storageClient.remove().RFileById(content.getStorageId());
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}
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private static StorageClient getStorageClient(String login){
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return new StorageClient(SERVICE_CLASS, SERVICE_NAME, login, AccessType.SHARED, MemoryType.PERSISTENT);
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}
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@Override
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public String getTotalSizeStored() {
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IClient storageClient = getStorageClient(AuthorizationProvider.instance.get().getClient().getId()).getClient();
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return storageClient.getTotalUserVolume();
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}
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@Override
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public String getTotalItemsCount() {
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IClient storageClient = getStorageClient(AuthorizationProvider.instance.get().getClient().getId()).getClient();
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return storageClient.getUserTotalItems();
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}
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}
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