Stubs for multipart upload support in swift.

apis/cloudfiles/src/main/java/org/jclouds/cloudfiles/blobstore/CloudFilesBlobStore.java

@@ -42,6 +42,7 @@ import org.jclouds.openstack.swift.blobstore.functions.ObjectToBlob;
 import org.jclouds.openstack.swift.blobstore.functions.ObjectToBlobMetadata;
 
 import com.google.common.base.Supplier;
+import org.jclouds.openstack.swift.blobstore.strategy.internal.MultipartUploadStrategy;
 
 /**
  * 
@@ -62,7 +63,7 @@ public class CloudFilesBlobStore extends SwiftBlobStore {
             Provider<FetchBlobMetadata> fetchBlobMetadataProvider, EnableCDNAndCache enableCDNAndCache) {
       super(context, blobUtils, defaultLocation, locations, sync, container2ResourceMd, container2ContainerListOptions,
                container2ResourceList, object2Blob, blob2Object, object2BlobMd, blob2ObjectGetOptions,
-               fetchBlobMetadataProvider);
+               fetchBlobMetadataProvider, null);
       this.enableCDNAndCache = enableCDNAndCache;
 
    }

apis/swift/src/main/java/org/jclouds/openstack/swift/blobstore/SwiftBlobStore.java

@@ -50,6 +50,7 @@ import org.jclouds.openstack.swift.blobstore.functions.ContainerToResourceList;
 import org.jclouds.openstack.swift.blobstore.functions.ContainerToResourceMetadata;
 import org.jclouds.openstack.swift.blobstore.functions.ObjectToBlob;
 import org.jclouds.openstack.swift.blobstore.functions.ObjectToBlobMetadata;
+import org.jclouds.openstack.swift.blobstore.strategy.internal.MultipartUploadStrategy;
 import org.jclouds.openstack.swift.domain.ContainerMetadata;
 
 import com.google.common.base.Function;
@@ -71,6 +72,7 @@ public class SwiftBlobStore extends BaseBlobStore {
    private final ObjectToBlobMetadata object2BlobMd;
    private final BlobToHttpGetOptions blob2ObjectGetOptions;
    private final Provider<FetchBlobMetadata> fetchBlobMetadataProvider;
+   private final Provider<MultipartUploadStrategy> multipartUploadStrategy;
 
    @Inject
    protected SwiftBlobStore(BlobStoreContext context, BlobUtils blobUtils, Supplier<Location> defaultLocation,
@@ -79,7 +81,8 @@ public class SwiftBlobStore extends BaseBlobStore {
             BlobStoreListContainerOptionsToListContainerOptions container2ContainerListOptions,
             ContainerToResourceList container2ResourceList, ObjectToBlob object2Blob, BlobToObject blob2Object,
             ObjectToBlobMetadata object2BlobMd, BlobToHttpGetOptions blob2ObjectGetOptions,
-            Provider<FetchBlobMetadata> fetchBlobMetadataProvider) {
+            Provider<FetchBlobMetadata> fetchBlobMetadataProvider,
+            Provider<MultipartUploadStrategy> multipartUploadStrategy) {
       super(context, blobUtils, defaultLocation, locations);
       this.sync = sync;
       this.container2ResourceMd = container2ResourceMd;
@@ -90,6 +93,7 @@ public class SwiftBlobStore extends BaseBlobStore {
       this.object2BlobMd = object2BlobMd;
       this.blob2ObjectGetOptions = blob2ObjectGetOptions;
       this.fetchBlobMetadataProvider = checkNotNull(fetchBlobMetadataProvider, "fetchBlobMetadataProvider");
+      this.multipartUploadStrategy = multipartUploadStrategy;
    }
 
    /**
@@ -207,8 +211,12 @@ public class SwiftBlobStore extends BaseBlobStore {
    @Override
    public String putBlob(String container, Blob blob, PutOptions options) {
       // TODO implement options
+      if (options.isMultipart()) {
+        return multipartUploadStrategy.get().execute(container, blob, options);
+      } else {
         return putBlob(container, blob);
       }
+   }
 
    /**
     * This implementation invokes {@link CommonSwiftClient#removeObject}

apis/swift/src/main/java/org/jclouds/openstack/swift/blobstore/strategy/MultipartUpload.java

@@ -0,0 +1,21 @@
+package org.jclouds.openstack.swift.blobstore.strategy;
+
+/*
+@author Roman Bogorodskiy
+ */
+
+public interface MultipartUpload {
+
+    /* Maximum number of parts per upload */
+    public static final int MAX_NUMBER_OF_PARTS = 10000;
+    /* Maximum number of parts returned for a list parts request */
+    public static final int MAX_LIST_PARTS_RETURNED = 1000;
+    /* Maximum number of multipart uploads returned in a list multipart uploads request */
+    public static final int MAX_LIST_MPU_RETURNED = 1000;
+
+    /*
+    * part size 5 MB to 5 GB, last part can be < 5 MB
+    */
+    public static final long MIN_PART_SIZE = 5242880L;
+    public static final long MAX_PART_SIZE = 5368709120L;
+}

apis/swift/src/main/java/org/jclouds/openstack/swift/blobstore/strategy/internal/MultipartUploadStrategy.java

@@ -0,0 +1,12 @@
+package org.jclouds.openstack.swift.blobstore.strategy.internal;
+
+import com.google.inject.ImplementedBy;
+import org.jclouds.blobstore.domain.Blob;
+import org.jclouds.blobstore.options.PutOptions;
+import org.jclouds.openstack.swift.blobstore.strategy.MultipartUpload;
+
+@ImplementedBy(SequentialMultipartUploadStrategy.class)
+public interface MultipartUploadStrategy extends MultipartUpload {
+
+    String execute(String container, Blob blob, PutOptions options);
+}

apis/swift/src/main/java/org/jclouds/openstack/swift/blobstore/strategy/internal/SequentialMultipartUploadStrategy.java

@@ -0,0 +1,46 @@
+package org.jclouds.openstack.swift.blobstore.strategy.internal;
+
+import javax.annotation.Resource;
+import javax.inject.Named;
+
+import org.jclouds.blobstore.domain.Blob;
+import org.jclouds.blobstore.options.PutOptions;
+import org.jclouds.blobstore.reference.BlobStoreConstants;
+import org.jclouds.io.Payload;
+import org.jclouds.io.PayloadSlicer;
+import org.jclouds.logging.Logger;
+import org.jclouds.openstack.swift.blobstore.SwiftBlobStore;
+
+import static com.google.common.base.Preconditions.checkNotNull;
+
+
+public class SequentialMultipartUploadStrategy implements MultipartUploadStrategy {
+   @Resource
+   @Named(BlobStoreConstants.BLOBSTORE_LOGGER)
+   protected Logger logger = Logger.NULL;
+
+   protected final SwiftBlobStore ablobstore;
+   protected final PayloadSlicer slicer;
+
+    public SequentialMultipartUploadStrategy(SwiftBlobStore ablobstore, PayloadSlicer slicer) {
+        this.ablobstore = checkNotNull(ablobstore, "ablobstore");
+        this.slicer = checkNotNull(slicer, "slicer");
+    }
+
+    @Override
+    public String execute(String container, Blob blob, PutOptions options) {
+        String key = blob.getMetadata().getName();
+        Payload payload = blob.getPayload();
+        /*MultipartUploadSlicingAlgorithm algorithm = new MultipartUploadSlicingAlgorithm();
+        algorithm
+                .calculateChunkSize(checkNotNull(
+                        payload.getContentMetadata().getContentLength(),
+                        "contentLength required on all uploads to amazon s3; please invoke payload.getContentMetadata().setContentLength(length) first"));
+        int parts = algorithm.getParts();
+        long chunkSize = algorithm.getChunkSize();
+        if (parts > 0) {
+
+        } */
+        return "NOT IMPLEMENTED";
+    }
+}

providers/hpcloud-objectstorage/src/main/java/org/jclouds/hpcloud/objectstorage/blobstore/HPCloudObjectStorageBlobStore.java

@@ -62,7 +62,7 @@ public class HPCloudObjectStorageBlobStore extends SwiftBlobStore {
             Provider<FetchBlobMetadata> fetchBlobMetadataProvider, EnableCDNAndCache enableCDNAndCache) {
       super(context, blobUtils, defaultLocation, locations, sync, container2ResourceMd, container2ContainerListOptions,
                container2ResourceList, object2Blob, blob2Object, object2BlobMd, blob2ObjectGetOptions,
-               fetchBlobMetadataProvider);
+               fetchBlobMetadataProvider, null);
       this.enableCDNAndCache = enableCDNAndCache;
 
    }