/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.jclouds.azureblob.binders;
import static com.google.common.base.Preconditions.checkArgument;
import static com.google.common.base.Preconditions.checkNotNull;
import javax.inject.Inject;
import javax.inject.Singleton;
import org.jclouds.azureblob.blobstore.functions.AzureBlobToBlob;
import org.jclouds.azureblob.domain.AzureBlob;
import org.jclouds.blobstore.binders.BindUserMetadataToHeadersWithPrefix;
import org.jclouds.http.HttpRequest;
import org.jclouds.rest.Binder;
import com.google.common.collect.ImmutableMap;
import com.google.common.collect.ImmutableMap.Builder;
import com.google.common.collect.Multimaps;
import com.google.common.net.HttpHeaders;
@Singleton
public class BindAzureBlobMetadataToRequest implements Binder {
private final AzureBlobToBlob azureBlob2Blob;
private final BindUserMetadataToHeadersWithPrefix blobBinder;
@Inject
public BindAzureBlobMetadataToRequest(AzureBlobToBlob azureBlob2Blob, BindUserMetadataToHeadersWithPrefix blobBinder) {
this.azureBlob2Blob = checkNotNull(azureBlob2Blob, "azureBlob2Blob");
this.blobBinder = checkNotNull(blobBinder, "blobBinder");
}
@SuppressWarnings("unchecked")
@Override
public <R extends HttpRequest> R bindToRequest(R request, Object input) {
checkArgument(checkNotNull(input, "input") instanceof AzureBlob, "this binder is only valid for AzureBlobs!");
checkNotNull(request, "request");
AzureBlob blob = AzureBlob.class.cast(input);
checkArgument(blob.getPayload().getContentMetadata().getContentLength() != null
&& blob.getPayload().getContentMetadata().getContentLength() >= 0, "size must be set");
Builder<String, String> headers = ImmutableMap.builder();
headers.put("x-ms-blob-type", blob.getProperties().getType().toString());
switch (blob.getProperties().getType()) {
case PAGE_BLOB:
headers.put(HttpHeaders.CONTENT_LENGTH, "0");
headers.put("x-ms-blob-content-length", blob.getPayload().getContentMetadata().getContentLength().toString());
break;
case BLOCK_BLOB:
checkArgument(
checkNotNull(blob.getPayload().getContentMetadata().getContentLength(), "blob.getContentLength()") <= 64l * 1024 * 1024,
"maximum size for put Blob is 64MB");
break;
}
request = (R) request.toBuilder().replaceHeaders(Multimaps.forMap(headers.build())).build();
return blobBinder.bindToRequest(request, azureBlob2Blob.apply(blob));
}
}