Java Payloads.newByteSourcePayload方法代码示例

import org.jclouds.io.Payloads; //导入方法依赖的package包/类
/**
 * Upload an object from a File using the Swift API.
 */
private void uploadObjectFromFile() throws IOException {
   System.out.format("Upload Object From File%n");

   String filename = "uploadObjectFromFile";
   String suffix = ".txt";

   File tempFile = File.createTempFile(filename, suffix);

   try {
      Files.write("uploadObjectFromFile", tempFile, Charsets.UTF_8);

      ByteSource byteSource = Files.asByteSource(tempFile);
      Payload payload = Payloads.newByteSourcePayload(byteSource);

      cloudFiles.getObjectApi(REGION, CONTAINER)
         .put(filename + suffix, payload);

      System.out.format("  %s%s%n", filename, suffix);
   } finally {
      tempFile.delete();
   }
}
 

import org.jclouds.io.Payloads; //导入方法依赖的package包/类
/**
 * Upload a large object from a File using the BlobStore API.
 *
 * @throws ExecutionException
 * @throws InterruptedException
 */
private void uploadLargeObjectFromFile(File largeFile) throws InterruptedException, ExecutionException {
   System.out.format("Upload Large Object From File%n");

   ByteSource source = Files.asByteSource(largeFile);
   // create the payload and set the content length
   Payload payload = Payloads.newByteSourcePayload(source);
   payload.getContentMetadata().setContentLength(largeFile.length());

   Blob blob = blobStore.blobBuilder(largeFile.getName())
         .payload(payload)
         .build();

   // configure the blobstore to use multipart uploading of the file
   String eTag = blobStore.putBlob(CONTAINER, blob, multipart());

   System.out.format("  Uploaded %s eTag=%s", largeFile.getName(), eTag);
}
 

import org.jclouds.io.Payloads; //导入方法依赖的package包/类
/**
 * This method will put a plain text object into the container.
 */
private void createObjectFromFile() throws IOException {
   System.out.format("Create Object From File%n");

   File tempFile = File.createTempFile(FILENAME, SUFFIX);

   try {
      Files.write("Hello Cloud Files", tempFile, Charsets.UTF_8);

      ObjectApi objectApi = cloudFiles.getObjectApi(REGION, CONTAINER_PUBLISH);

      ByteSource byteSource = Files.asByteSource(tempFile);
      Payload payload = Payloads.newByteSourcePayload(byteSource);

      objectApi.put(FILENAME + SUFFIX, payload);
   } finally {
      tempFile.delete();
   }
}
 

import org.jclouds.io.Payloads; //导入方法依赖的package包/类
private void generatePutTempURL() throws IOException {
   System.out.format("Generate PUT Temp URL%n");

   // Create the Payload
   String data = "This object will be public for 10 minutes.";
   ByteSource source = ByteSource.wrap(data.getBytes());
   Payload payload = Payloads.newByteSourcePayload(source);

   // Create the Blob
   Blob blob = blobStore.blobBuilder(FILENAME).payload(payload).contentType("text/plain").build();
   HttpRequest request = blobStoreContext.getSigner(REGION).signPutBlob(CONTAINER, blob, TEN_MINUTES);

   System.out.format("  %s %s%n", request.getMethod(), request.getEndpoint());

   // PUT the file using jclouds
   HttpResponse response = blobStoreContext.utils().http().invoke(request);
   int statusCode = response.getStatusCode();

   if (statusCode >= 200 && statusCode < 299) {
      System.out.format("  PUT Success (%s)%n", statusCode);
   }
   else {
      throw new HttpResponseException(null, response);
   }
}
 

import org.jclouds.io.Payloads; //导入方法依赖的package包/类
private void uploadFile( byte[] object, String filename, String container )
{
    log.info( "Uploading file {} on {}", filename, container );
    Payload payload = Payloads.newByteSourcePayload( ByteSource.wrap( object ) );
    api.getBlobStore().putBlob( container, api.getBlobStore().blobBuilder( filename ).payload( payload ).build() );
}
 

import org.jclouds.io.Payloads; //导入方法依赖的package包/类
@Test
public void testCreateMultipartBlobGetBlob() throws Exception {
    String blobName = "multipart-upload";
    BlobMetadata blobMetadata = makeBlob(nullBlobStore, blobName)
            .getMetadata();
    MultipartUpload mpu = nullBlobStore.initiateMultipartUpload(
            containerName, blobMetadata, new PutOptions());

    ByteSource byteSource = TestUtils.randomByteSource().slice(
            0, nullBlobStore.getMinimumMultipartPartSize() + 1);
    ByteSource byteSource1 = byteSource.slice(
            0, nullBlobStore.getMinimumMultipartPartSize());
    ByteSource byteSource2 = byteSource.slice(
            nullBlobStore.getMinimumMultipartPartSize(), 1);
    Payload payload1 = Payloads.newByteSourcePayload(byteSource1);
    Payload payload2 = Payloads.newByteSourcePayload(byteSource2);
    payload1.getContentMetadata().setContentLength(byteSource1.size());
    payload2.getContentMetadata().setContentLength(byteSource2.size());
    MultipartPart part1 = nullBlobStore.uploadMultipartPart(mpu, 1,
            payload1);
    MultipartPart part2 = nullBlobStore.uploadMultipartPart(mpu, 2,
            payload2);

    List<MultipartPart> parts = nullBlobStore.listMultipartUpload(mpu);
    assertThat(parts.get(0).partNumber()).isEqualTo(1);
    assertThat(parts.get(0).partSize()).isZero();
    assertThat(parts.get(0).partETag()).isEqualTo(part1.partETag());
    assertThat(parts.get(1).partNumber()).isEqualTo(2);
    assertThat(parts.get(1).partSize()).isZero();
    assertThat(parts.get(1).partETag()).isEqualTo(part2.partETag());

    nullBlobStore.completeMultipartUpload(mpu, ImmutableList.of(part1,
            part2));

    Blob newBlob = nullBlobStore.getBlob(containerName, blobName);
    validateBlobMetadata(newBlob.getMetadata(), byteSource);

    // content differs, only compare length
    try (InputStream actual = newBlob.getPayload().openStream();
            InputStream expected = byteSource.openStream()) {
        long actualLength = ByteStreams.copy(actual,
                ByteStreams.nullOutputStream());
        long expectedLength = ByteStreams.copy(expected,
                ByteStreams.nullOutputStream());
        assertThat(actualLength).isEqualTo(expectedLength);
    }
}
 

import org.jclouds.io.Payloads; //导入方法依赖的package包/类
/**
 * Upload an object from a String using the Swift API.
 */
private void uploadObjectFromString() {
   System.out.format("Upload Object From String%n");

   String filename = "uploadObjectFromString.txt";

   ByteSource source = ByteSource.wrap("uploadObjectFromString".getBytes());
   Payload payload = Payloads.newByteSourcePayload(source);

   cloudFiles.getObjectApi(REGION, CONTAINER).put(filename, payload);

   System.out.format("  %s%n", filename);
}