/*
* 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.openstack.swift.v1.functions;
import java.net.URI;
import java.util.Date;
import java.util.List;
import javax.inject.Inject;
import org.jclouds.http.HttpRequest;
import org.jclouds.http.HttpResponse;
import org.jclouds.http.functions.ParseJson;
import org.jclouds.io.Payload;
import org.jclouds.io.Payloads;
import org.jclouds.openstack.swift.v1.domain.Container;
import org.jclouds.openstack.swift.v1.domain.ObjectList;
import org.jclouds.openstack.swift.v1.domain.SwiftObject;
import org.jclouds.rest.InvocationContext;
import org.jclouds.rest.internal.GeneratedHttpRequest;
import com.google.common.base.Function;
import com.google.common.collect.Lists;
public class ParseObjectListFromResponse implements Function<HttpResponse, ObjectList>,
InvocationContext<ParseObjectListFromResponse> {
private static final class InternalObject {
String name;
String hash;
long bytes;
String content_type;
Date last_modified;
}
private final ParseJson<List<InternalObject>> json;
private final ParseContainerFromHeaders parseContainer;
@Inject
ParseObjectListFromResponse(ParseJson<List<InternalObject>> json, ParseContainerFromHeaders parseContainer) {
this.json = json;
this.parseContainer = parseContainer;
}
private ToSwiftObject toSwiftObject;
@Override
public ObjectList apply(HttpResponse from) {
List<SwiftObject> objects = Lists.transform(json.apply(from), toSwiftObject);
Container container = parseContainer.apply(from);
return ObjectList.create(objects, container);
}
static class ToSwiftObject implements Function<InternalObject, SwiftObject> {
private final String containerUri;
ToSwiftObject(String containerUri) {
this.containerUri = containerUri;
}
@Override
public SwiftObject apply(InternalObject input) {
return SwiftObject.builder() //
.uri(URI.create(String.format("%s%s", containerUri, input.name))) //
.name(input.name) //
.etag(input.hash) //
.payload(payload(input.bytes, input.content_type)) //
.lastModified(input.last_modified).build();
}
}
@Override
public ParseObjectListFromResponse setContext(HttpRequest request) {
parseContainer.name = GeneratedHttpRequest.class.cast(request).getCaller().get().getArgs().get(1).toString();
String containerUri = request.getEndpoint().toString();
int queryIndex = containerUri.indexOf('?');
if (queryIndex != -1) {
containerUri = containerUri.substring(0, queryIndex);
}
toSwiftObject = new ToSwiftObject(containerUri);
return this;
}
private static final byte[] NO_CONTENT = new byte[] {};
private static Payload payload(long bytes, String contentType) {
Payload payload = Payloads.newByteArrayPayload(NO_CONTENT);
payload.getContentMetadata().setContentLength(bytes);
payload.getContentMetadata().setContentType(contentType);
return payload;
}
}