Java GetObjectRequest.setResponseHeaders方法代码示例

import com.amazonaws.services.s3.model.GetObjectRequest; //导入方法依赖的package包/类
/**
 * Resumes an download operation. This download operation uses the same
 * configuration as the original download. Any data already fetched will be
 * skipped, and only the remaining data is retrieved from Amazon S3.
 *
 * @param persistableDownload
 *            the download to resume.
 * @return A new <code>Download</code> object to use to check the state of
 *         the download, listen for progress notifications, and otherwise
 *         manage the download.
 *
 * @throws AmazonClientException
 *             If any errors are encountered in the client while making the
 *             request or handling the response.
 * @throws AmazonServiceException
 *             If any errors occurred in Amazon S3 while processing the
 *             request.
 */
public Download resumeDownload(PersistableDownload persistableDownload) {
    assertParameterNotNull(persistableDownload,
            "PausedDownload is mandatory to resume a download.");
    GetObjectRequest request = new GetObjectRequest(
            persistableDownload.getBucketName(), persistableDownload.getKey(),
            persistableDownload.getVersionId());
    if (persistableDownload.getRange() != null
            && persistableDownload.getRange().length == 2) {
        long[] range = persistableDownload.getRange();
        request.setRange(range[0], range[1]);
    }
    request.setRequesterPays(persistableDownload.isRequesterPays());
    request.setResponseHeaders(persistableDownload.getResponseHeaders());

    return doDownload(request, new File(persistableDownload.getFile()), null, null,
            APPEND_MODE, 0,
            persistableDownload.getLastFullyDownloadedPartNumber(),
            persistableDownload.getlastModifiedTime());
}
 

import com.amazonaws.services.s3.model.GetObjectRequest; //导入方法依赖的package包/类
@Test
public void testAwsV2SignatureWithOverrideParameters() throws Exception {
    client = AmazonS3ClientBuilder.standard()
            .withClientConfiguration(V2_SIGNER_CONFIG)
            .withCredentials(new AWSStaticCredentialsProvider(awsCreds))
            .withEndpointConfiguration(s3EndpointConfig).build();

    ObjectMetadata metadata = new ObjectMetadata();
    metadata.setContentLength(BYTE_SOURCE.size());
    client.putObject(containerName, "foo", BYTE_SOURCE.openStream(),
            metadata);

    String blobName = "foo";

    ResponseHeaderOverrides headerOverride = new ResponseHeaderOverrides();

    String expectedContentDisposition = "attachment; " + blobName;
    headerOverride.setContentDisposition(expectedContentDisposition);

    String expectedContentType = "text/plain";
    headerOverride.setContentType(expectedContentType);

    GetObjectRequest request = new GetObjectRequest(containerName,
            blobName);
    request.setResponseHeaders(headerOverride);

    S3Object object = client.getObject(request);
    assertThat(object.getObjectMetadata().getContentLength()).isEqualTo(
            BYTE_SOURCE.size());
    assertThat(object.getObjectMetadata().getContentDisposition())
            .isEqualTo(expectedContentDisposition);
    assertThat(object.getObjectMetadata().getContentType()).isEqualTo(
            expectedContentType);
    try (InputStream actual = object.getObjectContent();
         InputStream expected = BYTE_SOURCE.openStream()) {
        assertThat(actual).hasContentEqualTo(expected);
    }
}
 

import com.amazonaws.services.s3.model.GetObjectRequest; //导入方法依赖的package包/类
@Test
public void testOverrideResponseHeader() throws Exception {
    String blobName = "foo";
    ObjectMetadata metadata = new ObjectMetadata();
    metadata.setContentLength(BYTE_SOURCE.size());
    client.putObject(containerName, blobName, BYTE_SOURCE.openStream(),
            metadata);

    String cacheControl = "no-cache";
    String contentDisposition = "attachment; filename=foo.html";
    String contentEncoding = "gzip";
    String contentLanguage = "en";
    String contentType = "text/html; charset=UTF-8";
    String expires = "Wed, 13 Jul 2016 21:23:51 GMT";
    long expiresTime = 1468445031000L;

    GetObjectRequest getObjectRequest = new GetObjectRequest(containerName,
            blobName);
    getObjectRequest.setResponseHeaders(
            new ResponseHeaderOverrides()
                .withCacheControl(cacheControl)
                .withContentDisposition(contentDisposition)
                .withContentEncoding(contentEncoding)
                .withContentLanguage(contentLanguage)
                .withContentType(contentType)
                .withExpires(expires));
    S3Object object = client.getObject(getObjectRequest);
    try (InputStream is = object.getObjectContent()) {
        assertThat(is).isNotNull();
        ByteStreams.copy(is, ByteStreams.nullOutputStream());
    }

    ObjectMetadata reponseMetadata = object.getObjectMetadata();
    assertThat(reponseMetadata.getCacheControl()).isEqualTo(
            cacheControl);
    assertThat(reponseMetadata.getContentDisposition()).isEqualTo(
            contentDisposition);
    assertThat(reponseMetadata.getContentEncoding()).isEqualTo(
            contentEncoding);
    assertThat(reponseMetadata.getContentLanguage()).isEqualTo(
            contentLanguage);
    assertThat(reponseMetadata.getContentType()).isEqualTo(
            contentType);
    assertThat(reponseMetadata.getHttpExpiresDate().getTime())
        .isEqualTo(expiresTime);
}