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authorQiaowei Ren <qiaowei.ren@intel.com>2018-03-01 14:38:11 +0800
committerQiaowei Ren <qiaowei.ren@intel.com>2018-03-01 14:38:11 +0800
commit7da45d65be36d36b880cc55c5036e96c24b53f00 (patch)
treed4f944eb4f8f8de50a9a7584ffa408dc3a3185b2 /src/ceph/doc/radosgw/s3/java.rst
parent691462d09d0987b47e112d6ee8740375df3c51b2 (diff)
remove ceph code
This patch removes initial ceph code, due to license issue. Change-Id: I092d44f601cdf34aed92300fe13214925563081c Signed-off-by: Qiaowei Ren <qiaowei.ren@intel.com>
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-.. _java:
-
-Java S3 Examples
-================
-
-Setup
------
-
-The following examples may require some or all of the following java
-classes to be imported:
-
-.. code-block:: java
-
- import java.io.ByteArrayInputStream;
- import java.io.File;
- import java.util.List;
- import com.amazonaws.auth.AWSCredentials;
- import com.amazonaws.auth.BasicAWSCredentials;
- import com.amazonaws.util.StringUtils;
- import com.amazonaws.services.s3.AmazonS3;
- import com.amazonaws.services.s3.AmazonS3Client;
- import com.amazonaws.services.s3.model.Bucket;
- import com.amazonaws.services.s3.model.CannedAccessControlList;
- import com.amazonaws.services.s3.model.GeneratePresignedUrlRequest;
- import com.amazonaws.services.s3.model.GetObjectRequest;
- import com.amazonaws.services.s3.model.ObjectListing;
- import com.amazonaws.services.s3.model.ObjectMetadata;
- import com.amazonaws.services.s3.model.S3ObjectSummary;
-
-
-If you are just testing the Ceph Object Storage services, consider
-using HTTP protocol instead of HTTPS protocol.
-
-First, import the ``ClientConfiguration`` and ``Protocol`` classes.
-
-.. code-block:: java
-
- import com.amazonaws.ClientConfiguration;
- import com.amazonaws.Protocol;
-
-
-Then, define the client configuration, and add the client configuration
-as an argument for the S3 client.
-
-.. code-block:: java
-
- AWSCredentials credentials = new BasicAWSCredentials(accessKey, secretKey);
-
- ClientConfiguration clientConfig = new ClientConfiguration();
- clientConfig.setProtocol(Protocol.HTTP);
-
- AmazonS3 conn = new AmazonS3Client(credentials, clientConfig);
- conn.setEndpoint("endpoint.com");
-
-
-Creating a Connection
----------------------
-
-This creates a connection so that you can interact with the server.
-
-.. code-block:: java
-
- String accessKey = "insert your access key here!";
- String secretKey = "insert your secret key here!";
-
- AWSCredentials credentials = new BasicAWSCredentials(accessKey, secretKey);
- AmazonS3 conn = new AmazonS3Client(credentials);
- conn.setEndpoint("objects.dreamhost.com");
-
-
-Listing Owned Buckets
----------------------
-
-This gets a list of Buckets that you own.
-This also prints out the bucket name and creation date of each bucket.
-
-.. code-block:: java
-
- List<Bucket> buckets = conn.listBuckets();
- for (Bucket bucket : buckets) {
- System.out.println(bucket.getName() + "\t" +
- StringUtils.fromDate(bucket.getCreationDate()));
- }
-
-The output will look something like this::
-
- mahbuckat1 2011-04-21T18:05:39.000Z
- mahbuckat2 2011-04-21T18:05:48.000Z
- mahbuckat3 2011-04-21T18:07:18.000Z
-
-
-Creating a Bucket
------------------
-
-This creates a new bucket called ``my-new-bucket``
-
-.. code-block:: java
-
- Bucket bucket = conn.createBucket("my-new-bucket");
-
-
-Listing a Bucket's Content
---------------------------
-This gets a list of objects in the bucket.
-This also prints out each object's name, the file size, and last
-modified date.
-
-.. code-block:: java
-
- ObjectListing objects = conn.listObjects(bucket.getName());
- do {
- for (S3ObjectSummary objectSummary : objects.getObjectSummaries()) {
- System.out.println(objectSummary.getKey() + "\t" +
- objectSummary.getSize() + "\t" +
- StringUtils.fromDate(objectSummary.getLastModified()));
- }
- objects = conn.listNextBatchOfObjects(objects);
- } while (objects.isTruncated());
-
-The output will look something like this::
-
- myphoto1.jpg 251262 2011-08-08T21:35:48.000Z
- myphoto2.jpg 262518 2011-08-08T21:38:01.000Z
-
-
-Deleting a Bucket
------------------
-
-.. note::
- The Bucket must be empty! Otherwise it won't work!
-
-.. code-block:: java
-
- conn.deleteBucket(bucket.getName());
-
-
-Forced Delete for Non-empty Buckets
------------------------------------
-.. attention::
- not available
-
-
-Creating an Object
-------------------
-
-This creates a file ``hello.txt`` with the string ``"Hello World!"``
-
-.. code-block:: java
-
- ByteArrayInputStream input = new ByteArrayInputStream("Hello World!".getBytes());
- conn.putObject(bucket.getName(), "hello.txt", input, new ObjectMetadata());
-
-
-Change an Object's ACL
-----------------------
-
-This makes the object ``hello.txt`` to be publicly readable, and
-``secret_plans.txt`` to be private.
-
-.. code-block:: java
-
- conn.setObjectAcl(bucket.getName(), "hello.txt", CannedAccessControlList.PublicRead);
- conn.setObjectAcl(bucket.getName(), "secret_plans.txt", CannedAccessControlList.Private);
-
-
-Download an Object (to a file)
-------------------------------
-
-This downloads the object ``perl_poetry.pdf`` and saves it in
-``/home/larry/documents``
-
-.. code-block:: java
-
- conn.getObject(
- new GetObjectRequest(bucket.getName(), "perl_poetry.pdf"),
- new File("/home/larry/documents/perl_poetry.pdf")
- );
-
-
-Delete an Object
-----------------
-
-This deletes the object ``goodbye.txt``
-
-.. code-block:: java
-
- conn.deleteObject(bucket.getName(), "goodbye.txt");
-
-
-Generate Object Download URLs (signed and unsigned)
----------------------------------------------------
-
-This generates an unsigned download URL for ``hello.txt``. This works
-because we made ``hello.txt`` public by setting the ACL above.
-This then generates a signed download URL for ``secret_plans.txt`` that
-will work for 1 hour. Signed download URLs will work for the time
-period even if the object is private (when the time period is up, the
-URL will stop working).
-
-.. note::
- The java library does not have a method for generating unsigned
- URLs, so the example below just generates a signed URL.
-
-.. code-block:: java
-
- GeneratePresignedUrlRequest request = new GeneratePresignedUrlRequest(bucket.getName(), "secret_plans.txt");
- System.out.println(conn.generatePresignedUrl(request));
-
-The output will look something like this::
-
- https://my-bucket-name.objects.dreamhost.com/secret_plans.txt?Signature=XXXXXXXXXXXXXXXXXXXXXXXXXXX&Expires=1316027075&AWSAccessKeyId=XXXXXXXXXXXXXXXXXXX
-