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/*
* Copyright 2013 Netflix, Inc.
*
* 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 feign.examples;
import dagger.Module;
import dagger.Provides;
import feign.Feign;
import feign.Request;
import feign.RequestLine;
import feign.RequestTemplate;
import feign.Target;
import feign.codec.Decoder;
import feign.codec.Decoders;
import static dagger.Provides.Type.SET;
public class IAMExample {
interface IAM {
@RequestLine("GET /?Action=GetUser&Version=2010-05-08") String arn();
}
public static void main(String... args) {
IAM iam = Feign.create(new IAMTarget(args[0], args[1]), new IAMModule());
System.out.println(iam.arn());
}
static class IAMTarget extends AWSSignatureVersion4 implements Target<IAM> {
@Override public Class<IAM> type() {
return IAM.class;
}
@Override public String name() {
return "iam";
}
@Override public String url() {
return "https://iam.amazonaws.com";
}
private IAMTarget(String accessKey, String secretKey) {
super(accessKey, secretKey);
}
@Override public Request apply(RequestTemplate in) {
in.insert(0, url());
return super.apply(in);
}
}
@Module(overrides = true, library = true)
static class IAMModule {
@Provides(type = SET) Decoder decoder() {
return Decoders.firstGroup("<Arn>([\\S&&[^<]]+)</Arn>");
}
}
}