121 lines
4.8 KiB
Java
121 lines
4.8 KiB
Java
package org.gcube.application.geoportal.common.utils;
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import org.bson.Document;
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import org.gcube.application.geoportal.common.model.document.access.Access;
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import org.gcube.application.geoportal.common.model.legacy.InputStreamDescriptor;
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import org.gcube.application.geoportal.common.model.rest.RegisterFileSetRequest;
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import org.gcube.application.geoportal.common.model.rest.TempFile;
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import org.gcube.contentmanagement.blobstorage.transport.backend.RemoteBackendException;
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import java.io.File;
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import java.io.FileInputStream;
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import java.io.FileNotFoundException;
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import java.util.ArrayList;
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import java.util.Collection;
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import java.util.Collections;
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public class FileSets {
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public static class RequestBuilder {
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RegisterFileSetRequest theRequest=new RegisterFileSetRequest();
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public RequestBuilder addAll(Collection<? extends TempFile> toAdd){
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if(theRequest.getStreams()==null)
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theRequest.setStreams(new ArrayList<TempFile>());
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theRequest.getStreams().addAll(toAdd);
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return this;
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}
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public RequestBuilder add(TempFile... f){
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if(theRequest.getStreams()==null)
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theRequest.setStreams(new ArrayList<TempFile>());
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for(TempFile temp: f )
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theRequest.getStreams().add(temp);
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return this;
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}
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public RequestBuilder add(TempFile f){
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if(theRequest.getStreams()==null)
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theRequest.setStreams(new ArrayList<TempFile>());
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theRequest.getStreams().add(f);
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return this;
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}
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public RequestBuilder setFieldDefinitionPath(String path){
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theRequest.setFieldDefinitionPath(path);
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return this;
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}
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public RequestBuilder setParentPath(String path){
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theRequest.setParentPath(path);
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return this;
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}
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public RequestBuilder setFieldName(String fieldName){
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theRequest.setFieldName(fieldName);
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return this;
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}
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public RequestBuilder setClashPolicy(RegisterFileSetRequest.ClashOptions path){
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theRequest.setClashOption(path);
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return this;
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}
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public RequestBuilder setAttributes(Document attributes){
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theRequest.setAttributes(attributes);
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return this;
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}
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public RegisterFileSetRequest getTheRequest(){
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if(theRequest.getClashOption()==null)
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// default Clash Policy
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setClashPolicy(RegisterFileSetRequest.ClashOptions.REPLACE_EXISTING);
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return theRequest;}
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public RequestBuilder setAccess(Access access){
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theRequest.setToSetAccess(access);
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return this;
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}
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}
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public static RequestBuilder build(String parent,String fieldName, String fieldDefinition) {
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return new RequestBuilder().setParentPath(parent).setFieldDefinitionPath(fieldDefinition).setFieldName(fieldName);
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}
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public static RequestBuilder build(String parent,String fieldName, String fieldDefinition, TempFile...files) {
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return build(parent,fieldName,fieldDefinition).add(files);
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}
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public static TempFile asTemp(StorageUtils storage,InputStreamDescriptor descriptor) throws RemoteBackendException, FileNotFoundException {
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return storage.putOntoStorage(descriptor.getStream(), descriptor.getFilename());
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}
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public static TempFile[] asTemp(StorageUtils storage,InputStreamDescriptor... descriptors) throws RemoteBackendException, FileNotFoundException {
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ArrayList<TempFile> toReturn=new ArrayList<TempFile>();
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for(InputStreamDescriptor desc:descriptors)
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toReturn.add(storage.putOntoStorage(desc.getStream(), desc.getFilename()));
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return toReturn.toArray(new TempFile[toReturn.size()]);
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}
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public static RegisterFileSetRequest prepareRequestFromFolder(StorageUtils storage,
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String parentPath,String fieldName,String fieldDefinition, File directory) throws FileNotFoundException {
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File[] children =directory.listFiles();
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InputStreamDescriptor[] iss=new InputStreamDescriptor[children.length];
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return prepareRequest(storage,parentPath,fieldName,fieldDefinition,children);
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}
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public static RegisterFileSetRequest prepareRequest(StorageUtils storage,
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String parentPath,String fieldName,String fieldDefinition, File... toUpload) throws FileNotFoundException {
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FileSets.RequestBuilder builder = FileSets.build(parentPath,fieldName,fieldDefinition);
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for (File f : toUpload) {
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if(!f.isDirectory())
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builder.add(FileSets.asTemp(storage, new InputStreamDescriptor(new FileInputStream(f), f.getName())));
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}
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return builder.getTheRequest();
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}
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}
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