From e6918187568dbd01842d8d1d2c808ce16a894239 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 21 Apr 2024 13:54:28 +0200 Subject: Adding upstream version 18.2.2. Signed-off-by: Daniel Baumann --- doc/radosgw/swift/java.rst | 175 +++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 175 insertions(+) create mode 100644 doc/radosgw/swift/java.rst (limited to 'doc/radosgw/swift/java.rst') diff --git a/doc/radosgw/swift/java.rst b/doc/radosgw/swift/java.rst new file mode 100644 index 000000000..8977a3b16 --- /dev/null +++ b/doc/radosgw/swift/java.rst @@ -0,0 +1,175 @@ +.. _java_swift: + +===================== + Java Swift Examples +===================== + +Setup +===== + +The following examples may require some or all of the following Java +classes to be imported: + +.. code-block:: java + + import org.javaswift.joss.client.factory.AccountConfig; + import org.javaswift.joss.client.factory.AccountFactory; + import org.javaswift.joss.client.factory.AuthenticationMethod; + import org.javaswift.joss.model.Account; + import org.javaswift.joss.model.Container; + import org.javaswift.joss.model.StoredObject; + import java.io.File; + import java.io.IOException; + import java.util.*; + + +Create a Connection +=================== + +This creates a connection so that you can interact with the server: + +.. code-block:: java + + String username = "USERNAME"; + String password = "PASSWORD"; + String authUrl = "https://radosgw.endpoint/auth/1.0"; + + AccountConfig config = new AccountConfig(); + config.setUsername(username); + config.setPassword(password); + config.setAuthUrl(authUrl); + config.setAuthenticationMethod(AuthenticationMethod.BASIC); + Account account = new AccountFactory(config).createAccount(); + + +Create a Container +================== + +This creates a new container called ``my-new-container``: + +.. code-block:: java + + Container container = account.getContainer("my-new-container"); + container.create(); + + +Create an Object +================ + +This creates an object ``foo.txt`` from the file named ``foo.txt`` in +the container ``my-new-container``: + +.. code-block:: java + + Container container = account.getContainer("my-new-container"); + StoredObject object = container.getObject("foo.txt"); + object.uploadObject(new File("foo.txt")); + + +Add/Update Object Metadata +========================== + +This adds the metadata key-value pair ``key``:``value`` to the object named +``foo.txt`` in the container ``my-new-container``: + +.. code-block:: java + + Container container = account.getContainer("my-new-container"); + StoredObject object = container.getObject("foo.txt"); + Map metadata = new TreeMap(); + metadata.put("key", "value"); + object.setMetadata(metadata); + + +List Owned Containers +===================== + +This gets a list of Containers that you own. +This also prints out the container name. + +.. code-block:: java + + Collection containers = account.list(); + for (Container currentContainer : containers) { + System.out.println(currentContainer.getName()); + } + +The output will look something like this:: + + mahbuckat1 + mahbuckat2 + mahbuckat3 + + +List a Container's Content +========================== + +This gets a list of objects in the container ``my-new-container``; and, it also +prints out each object's name, the file size, and last modified date: + +.. code-block:: java + + Container container = account.getContainer("my-new-container"); + Collection objects = container.list(); + for (StoredObject currentObject : objects) { + System.out.println(currentObject.getName()); + } + +The output will look something like this:: + + myphoto1.jpg + myphoto2.jpg + + +Retrieve an Object's Metadata +============================= + +This retrieves metadata and gets the MIME type for an object named ``foo.txt`` +in a container named ``my-new-container``: + +.. code-block:: java + + Container container = account.getContainer("my-new-container"); + StoredObject object = container.getObject("foo.txt"); + Map returnedMetadata = object.getMetadata(); + for (String name : returnedMetadata.keySet()) { + System.out.println("META / "+name+": "+returnedMetadata.get(name)); + } + + +Retrieve an Object +================== + +This downloads the object ``foo.txt`` in the container ``my-new-container`` +and saves it in ``./outfile.txt``: + +.. code-block:: java + + Container container = account.getContainer("my-new-container"); + StoredObject object = container.getObject("foo.txt"); + object.downloadObject(new File("outfile.txt")); + + +Delete an Object +================ + +This deletes the object ``goodbye.txt`` in the container "my-new-container": + +.. code-block:: java + + Container container = account.getContainer("my-new-container"); + StoredObject object = container.getObject("foo.txt"); + object.delete(); + + +Delete a Container +================== + +This deletes a container named "my-new-container": + +.. code-block:: java + + Container container = account.getContainer("my-new-container"); + container.delete(); + +.. note:: The container must be empty! Otherwise it won't work! -- cgit v1.2.3