/*
* 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.blobstore.basics;
import static com.google.common.base.Preconditions.checkArgument;
import static com.google.common.collect.Iterables.contains;
import java.io.IOException;
import java.util.Map;
import java.util.Set;
import org.jclouds.ContextBuilder;
import org.jclouds.apis.ApiMetadata;
import org.jclouds.apis.Apis;
import org.jclouds.atmos.AtmosApiMetadata;
import org.jclouds.atmos.AtmosClient;
import org.jclouds.azureblob.AzureBlobApiMetadata;
import org.jclouds.azureblob.AzureBlobClient;
import org.jclouds.blobstore.BlobStore;
import org.jclouds.blobstore.BlobStoreContext;
import org.jclouds.blobstore.domain.Blob;
import org.jclouds.blobstore.domain.StorageMetadata;
import org.jclouds.openstack.swift.SwiftApiMetadata;
import org.jclouds.openstack.swift.SwiftClient;
import org.jclouds.providers.ProviderMetadata;
import org.jclouds.providers.Providers;
import org.jclouds.rest.RestContext;
import org.jclouds.s3.S3ApiMetadata;
import org.jclouds.s3.S3Client;
import com.google.common.base.Charsets;
import com.google.common.collect.ImmutableSet;
import com.google.common.collect.Iterables;
import com.google.common.collect.Maps;
import com.google.common.io.ByteSource;
/**
* Demonstrates the use of {@link BlobStore}.
*
* Usage is: java MainApp \"provider\" \"identity\" \"credential\" \"containerName\"
*/
public class MainApp {
public static final Map<String, ApiMetadata> allApis = Maps.uniqueIndex(Apis.viewableAs(BlobStoreContext.class),
Apis.idFunction());
public static final Map<String, ProviderMetadata> appProviders = Maps.uniqueIndex(Providers.viewableAs(BlobStoreContext.class),
Providers.idFunction());
public static final Set<String> allKeys = ImmutableSet.copyOf(Iterables.concat(appProviders.keySet(), allApis.keySet()));
public static int PARAMETERS = 4;
public static String INVALID_SYNTAX = "Invalid number of parameters. Syntax is: \"provider\" \"identity\" \"credential\" \"containerName\" ";
public static void main(String[] args) throws IOException {
if (args.length < PARAMETERS)
throw new IllegalArgumentException(INVALID_SYNTAX);
// Args
String provider = args[0];
// note that you can check if a provider is present ahead of time
checkArgument(contains(allKeys, provider), "provider %s not in supported list: %s", provider, allKeys);
String identity = args[1];
String credential = args[2];
String containerName = args[3];
// Init
BlobStoreContext context = ContextBuilder.newBuilder(provider)
.credentials(identity, credential)
.buildView(BlobStoreContext.class);
try {
// Create Container
BlobStore blobStore = context.getBlobStore();
blobStore.createContainerInLocation(null, containerName);
String blobName = "test";
ByteSource payload = ByteSource.wrap("testdata".getBytes(Charsets.UTF_8));
// List Container Metadata
for (StorageMetadata resourceMd : blobStore.list()) {
if (containerName.equals(resourceMd.getName())) {
System.out.println(resourceMd);
}
}
// Add Blob
Blob blob = blobStore.blobBuilder(blobName)
.payload(payload)
.contentLength(payload.size())
.build();
blobStore.putBlob(containerName, blob);
// Use Provider API
ApiMetadata apiMetadata = context.unwrap().getProviderMetadata().getApiMetadata();
Object object = null;
if (apiMetadata instanceof S3ApiMetadata) {
S3Client api = context.unwrapApi(S3Client.class);
object = api.headObject(containerName, blobName);
} else if (apiMetadata instanceof SwiftApiMetadata) {
SwiftClient api = context.unwrapApi(SwiftClient.class);
object = api.getObjectInfo(containerName, blobName);
} else if (apiMetadata instanceof AzureBlobApiMetadata) {
RestContext<AzureBlobClient, ?> providerContext = context.unwrap();
object = providerContext.getApi().getBlobProperties(containerName, blobName);
} else if (apiMetadata instanceof AtmosApiMetadata) {
AtmosClient api = context.unwrapApi(AtmosClient.class);
object = api.headFile(containerName + "/" + blobName);
}
if (object != null) {
System.out.println(object);
}
} finally {
// Close connecton
context.close();
System.exit(0);
}
}
}