/*
* 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.karaf.commands.blobstore;
import java.io.PrintStream;
import java.util.Collection;
import java.util.Collections;
import java.util.List;
import com.google.common.collect.Lists;
import org.apache.felix.gogo.commands.Argument;
import org.apache.felix.gogo.commands.Command;
import org.apache.felix.gogo.commands.CommandException;
import org.apache.felix.gogo.commands.Option;
import org.jclouds.blobstore.BlobStore;
import org.jclouds.blobstore.domain.PageSet;
import org.jclouds.blobstore.domain.StorageMetadata;
import org.jclouds.blobstore.options.ListContainerOptions;
/**
* List blobs in a container.
*
* @author: iocanel
*/
@Command(scope = "jclouds", name = "blobstore-list", description = "Lists blobs in a container")
public class BlobListCommand extends BlobStoreCommandWithOptions {
@Argument(index = 0, name = "containerNames", description = "The name of the container", required = false, multiValued = true)
final Collection<String> containerNames = Lists.newArrayList();
@Option(name = "-a", aliases = "--all", description = "List all containers", required = false)
boolean listAllContainers = false;
private static final PrintStream out = System.out;
@Override
protected Object doExecute() throws Exception {
BlobStore blobStore = getBlobStore();
if (listAllContainers) {
containerNames.clear();
for (StorageMetadata containerMetadata : blobStore.list()) {
String containerName = containerMetadata.getName();
containerNames.add(containerName);
cacheProvider.getProviderCacheForType("container").put(containerMetadata.getProviderId(), containerName);
}
} else if (containerNames.isEmpty()) {
throw new CommandException("Must specify container names or --all");
}
for (String containerName : containerNames) {
out.println(containerName + ":");
out.println();
ListContainerOptions options = ListContainerOptions.Builder.recursive();
while (true) {
PageSet<? extends StorageMetadata> blobStoreMetadatas = blobStore.list(containerName, options);
List<String> blobNames = Lists.newArrayList();
for (StorageMetadata blobMetadata : blobStoreMetadatas) {
String blobName = blobMetadata.getName();
cacheProvider.getProviderCacheForType("blob").put(blobMetadata.getProviderId(), blobName);
blobNames.add(blobName);
}
Collections.sort(blobNames);
for (String blobName : blobNames) {
out.println(" " + blobName);
}
String marker = blobStoreMetadatas.getNextMarker();
if (marker == null) {
break;
}
options = options.afterMarker(marker);
}
out.println();
}
return null;
}
}