storage-manager-core/src/main/java/org/gcube/contentmanagement/blobstorage/service/operation/GetMetaFile.java

85 lines
2.7 KiB
Java

package org.gcube.contentmanagement.blobstorage.service.operation;
import org.bson.types.ObjectId;
import org.gcube.contentmanagement.blobstorage.resource.RequestObject;
import org.gcube.contentmanagement.blobstorage.service.directoryOperation.BucketCoding;
import org.gcube.contentmanagement.blobstorage.transport.TransportManager;
import org.gcube.contentmanagement.blobstorage.transport.backend.RemoteBackendException;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class GetMetaFile extends Operation{
/**
* Logger for this class
*/
final Logger logger=LoggerFactory.getLogger(GetSize.class);
public GetMetaFile(String[] server, String user, String pwd, String bucket, Monitor monitor, boolean isChunk, String backendType, String[] dbs) {
super(server, user, pwd, bucket, monitor, isChunk, backendType, dbs);
}
/**
* Only the following values will be returned:
* mimeType,
* owner,
* id,
* name,
* remotePath,
* size.
*
*/
public RequestObject doIt(RequestObject requestObject) throws RemoteBackendException{
TransportManager tm=getTransport(requestObject);
long dim=0;
String id=null;
String mime=null;
try {
dim = tm.getSize(bucket, requestObject);
id=tm.getId(bucket, false);
mime=tm.getFileProperty(bucket, "mimetype");
requestObject.setOwner(tm.getFileProperty(bucket, "owner"));
if(tm.isValidId(bucket)){
requestObject.setRemotePath(tm.getFileProperty(bucket, "filename"));
requestObject.setAbsoluteRemotePath(tm.getFileProperty(bucket, "filename"));
requestObject.setName(tm.getFileProperty(bucket, "name"));
}
} catch (Exception e) {
tm.close();
throw new RemoteBackendException(" Error in GetMetaFile operation ", e.getCause()); }
if (logger.isDebugEnabled()) {
logger.debug(" PATH " + bucket);
}
requestObject.setSize(dim);
requestObject.setId(id);
requestObject.setMimeType(mime);
return requestObject;
}
@Override
public String initOperation(RequestObject file, String remotePath,
String author, String[] server, String rootArea, boolean replaceOption) {
// String[] dirs= remotePath.split(file_separator);
if(logger.isDebugEnabled())
logger.debug("remotePath: "+remotePath);
String buck=null;
boolean isId=ObjectId.isValid(remotePath);
if(!isId){
buck = new BucketCoding().bucketFileCoding(remotePath, rootArea);
return bucket=buck;
}else{
return bucket=remotePath;
}
}
@Override
public String initOperation(RequestObject resource, String RemotePath,
String author, String[] server, String rootArea) {
throw new IllegalArgumentException("Input/Output stream is not compatible with getSize operation");
}
}