/*
* Copyright 2016 The Simple File Server Authors
*
* Licensed 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.sfs.integration.java.func;
import com.google.common.collect.ListMultimap;
import com.google.common.escape.Escaper;
import com.google.common.net.MediaType;
import io.vertx.core.http.HttpClient;
import io.vertx.core.http.HttpClientRequest;
import io.vertx.core.http.HttpClientResponse;
import io.vertx.core.logging.Logger;
import org.sfs.rx.ObservableFuture;
import org.sfs.rx.RxHelper;
import rx.Observable;
import rx.functions.Func1;
import java.util.ArrayList;
import java.util.List;
import static com.google.common.base.Joiner.on;
import static com.google.common.collect.ArrayListMultimap.create;
import static com.google.common.collect.FluentIterable.from;
import static com.google.common.net.HttpHeaders.ACCEPT;
import static com.google.common.net.HttpHeaders.AUTHORIZATION;
import static com.google.common.net.UrlEscapers.urlFormParameterEscaper;
import static io.vertx.core.logging.LoggerFactory.getLogger;
import static java.util.Collections.addAll;
import static org.sfs.integration.java.help.AuthorizationFactory.Producer;
public class GetAccount implements Func1<Void, Observable<HttpClientResponse>> {
private static final Logger LOGGER = getLogger(GetAccount.class);
private final HttpClient httpClient;
private final String accountName;
private final Producer auth;
private ListMultimap<String, String> queryParams = create();
private ListMultimap<String, String> headerParams = create();
public GetAccount(HttpClient httpClient, String accountName, Producer auth) {
this.httpClient = httpClient;
this.accountName = accountName;
this.auth = auth;
}
public GetAccount setMediaTypes(List<MediaType> mediaTypes) {
headerParams.removeAll(ACCEPT);
headerParams.putAll(ACCEPT,
from(mediaTypes)
.transform(input -> input.toString()));
return this;
}
public GetAccount setMediaTypes(MediaType mediaType, MediaType... mediaTypes) {
List<MediaType> types = new ArrayList<>(1 + mediaTypes.length);
types.add(mediaType);
addAll(types, mediaTypes);
return setMediaTypes(types);
}
public GetAccount setHeader(String name, String value) {
headerParams.removeAll(name);
headerParams.put(name, value);
return this;
}
public GetAccount setHeader(String name, String value, String... values) {
headerParams.removeAll(name);
headerParams.put(name, value);
for (String v : values) {
headerParams.put(name, v);
}
return this;
}
public GetAccount setQueryParam(String name, String value) {
queryParams.removeAll(name);
queryParams.put(name, value);
return this;
}
public GetAccount setQueryParam(String name, String value, String... values) {
queryParams.removeAll(name);
queryParams.put(name, value);
for (String v : values) {
queryParams.put(name, v);
}
return this;
}
@Override
public Observable<HttpClientResponse> call(Void aVoid) {
return auth.toHttpAuthorization()
.flatMap(new Func1<String, Observable<HttpClientResponse>>() {
@Override
public Observable<HttpClientResponse> call(String s) {
final Escaper escaper = urlFormParameterEscaper();
Iterable<String> keyValues = from(queryParams.entries())
.transform(input -> escaper.escape(input.getKey()) + '=' + escaper.escape(input.getValue()));
String query = on('&').join(keyValues);
ObservableFuture<HttpClientResponse> handler = RxHelper.observableFuture();
HttpClientRequest httpClientRequest = httpClient.get("/openstackswift001/" + accountName + (query.length() > 0 ? "?" + query : ""), handler::complete)
.exceptionHandler(handler::fail)
.setTimeout(10000)
.putHeader(AUTHORIZATION, s);
for (String entry : headerParams.keySet()) {
httpClientRequest = httpClientRequest.putHeader(entry, headerParams.get(entry));
}
httpClientRequest.end();
return handler
.single();
}
});
}
}