org.jclouds.atmos.blobstore.AtmosBlobRequestSigner Maven / Gradle / Ivy

Go to download
Show more of this group Show more artifacts with this name
Show all versions of atmos Show documentation
The newest version!
/*
 * 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.atmos.blobstore;

import static com.google.common.base.Preconditions.checkNotNull;
import static org.jclouds.blobstore.util.BlobStoreUtils.cleanRequest;
import static org.jclouds.reflect.Reflection2.method;

import javax.inject.Inject;
import javax.inject.Singleton;

import org.jclouds.atmos.AtmosClient;
import org.jclouds.atmos.blobstore.functions.BlobToObject;
import org.jclouds.atmos.domain.AtmosObject;
import org.jclouds.atmos.options.PutOptions;
import org.jclouds.blobstore.BlobRequestSigner;
import org.jclouds.blobstore.domain.Blob;
import org.jclouds.blobstore.functions.BlobToHttpGetOptions;
import org.jclouds.http.HttpRequest;
import org.jclouds.http.options.GetOptions;
import org.jclouds.reflect.Invocation;

import com.google.common.base.Function;
import com.google.common.collect.ImmutableList;
import com.google.common.reflect.Invokable;

@Singleton
public class AtmosBlobRequestSigner implements BlobRequestSigner {
   private final Function processor;
   private final BlobToObject blobToObject;
   private final BlobToHttpGetOptions blob2ObjectGetOptions;

   private final Invokable getMethod;
   private final Invokable deleteMethod;
   private final Invokable createMethod;

   @Inject
   public AtmosBlobRequestSigner(Function processor, BlobToObject blobToObject,
         BlobToHttpGetOptions blob2ObjectGetOptions) throws SecurityException, NoSuchMethodException {
      this.processor = checkNotNull(processor, "processor");
      this.blobToObject = checkNotNull(blobToObject, "blobToObject");
      this.blob2ObjectGetOptions = checkNotNull(blob2ObjectGetOptions, "blob2ObjectGetOptions");
      this.getMethod = method(AtmosClient.class, "readFile", String.class, GetOptions[].class);
      this.deleteMethod = method(AtmosClient.class, "deletePath", String.class);
      this.createMethod = method(AtmosClient.class, "createFile", String.class, AtmosObject.class, PutOptions[].class);
   }

   @Override
   public HttpRequest signGetBlob(String container, String name) {
      checkNotNull(container, "container");
      checkNotNull(name, "name");
      return cleanRequest(processor.apply(Invocation.create(getMethod,
            ImmutableList.