/*
* 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.examples.rackspace.cloudfiles;
import static org.jclouds.examples.rackspace.cloudfiles.Constants.CONTAINER;
import static org.jclouds.examples.rackspace.cloudfiles.Constants.PROVIDER;
import static org.jclouds.examples.rackspace.cloudfiles.Constants.REGION;
import java.io.Closeable;
import java.io.IOException;
import java.util.Map;
import org.jclouds.ContextBuilder;
import org.jclouds.openstack.swift.v1.domain.Container;
import org.jclouds.openstack.swift.v1.features.ContainerApi;
import org.jclouds.openstack.swift.v1.options.CreateContainerOptions;
import org.jclouds.rackspace.cloudfiles.v1.CloudFilesApi;
import com.google.common.collect.ImmutableMap;
import com.google.common.collect.ImmutableMultimap;
import com.google.common.collect.Multimap;
import com.google.common.io.Closeables;
/**
* Create a Cloud Files container with Cross Origin Resource Sharing (CORS) allowed. CORS container headers allow
* users to upload files from one website--or origin--to your Cloud Files account. When you set the CORS headers on
* your container, you tell Cloud Files which sites may post to your account, how often your container checks its
* allowed sites list, and whether or not metadata headers can be passed with the objects.
*
*/
public class CrossOriginResourceSharingContainer implements Closeable {
private final CloudFilesApi cloudFiles;
private final ContainerApi containerApi;
/**
* To get a username and API key see http://jclouds.apache.org/guides/rackspace/
*
* The first argument (args[0]) must be your username
* The second argument (args[1]) must be your API key
*/
public static void main(String[] args) throws IOException {
CrossOriginResourceSharingContainer corsContainer = new CrossOriginResourceSharingContainer(args[0], args[1]);
try {
corsContainer.createCorsContainer();
corsContainer.updateCorsContainer();
}
catch (Exception e) {
e.printStackTrace();
}
finally {
corsContainer.close();
}
}
public CrossOriginResourceSharingContainer(String username, String apiKey) {
cloudFiles = ContextBuilder.newBuilder(PROVIDER)
.credentials(username, apiKey)
.buildApi(CloudFilesApi.class);
containerApi = cloudFiles.getContainerApiForRegion(REGION);
}
/**
* Create a Cross Origin Resource Sharing container.
*
* Access-Control-Allow-Origin: Which URLs can make Cross Origin Requests. Format is http://www.example.com.
* Separate URLs with a space. An asterisk (*) allows all.
* Access-Control-Max-Age: The maximum age for the browser to cache the options request, in seconds.
* Access-Control-Allow-Headers: Which custom metadata headers you allow to be assigned to objects in this container.
*/
private void createCorsContainer() {
System.out.format("Create Cross Origin Resource Sharing Container%n");
Multimap<String, String> headers = ImmutableMultimap.of(
"Access-Control-Allow-Origin", "*",
"Access-Control-Max-Age", "600",
"Access-Control-Allow-Headers", "X-My-Header");
CreateContainerOptions options = CreateContainerOptions.Builder.headers(headers);
containerApi.create(CONTAINER, options);
System.out.format(" %s%n", CONTAINER);
Container container = containerApi.get(CONTAINER);
System.out.format(" %s%n", container.getMetadata());
}
/**
* Update a Cross Origin Resource Sharing container.
*/
private void updateCorsContainer() {
System.out.format("Update Cross Origin Resource Sharing Container%n");
Map<String, String> corsMetadata = ImmutableMap.of(
"Access-Control-Allow-Origin", "http://www.example.com",
"Access-Control-Max-Age", "60",
"Access-Control-Allow-Headers", "X-My-Other-Header");
containerApi.updateMetadata(CONTAINER, corsMetadata);
System.out.format(" %s%n", CONTAINER);
Container container = containerApi.get(CONTAINER);
System.out.format(" %s%n", container.getMetadata());
}
/**
* Always close your service when you're done with it.
*/
public void close() throws IOException {
Closeables.close(cloudFiles, true);
}
}