com.github.triceo.robozonky.common.remote.Api Maven / Gradle / Ivy
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/*
* Copyright 2017 The RoboZonky Project
*
* 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 com.github.triceo.robozonky.common.remote;
import java.util.concurrent.atomic.AtomicReference;
import java.util.function.Function;
import org.jboss.resteasy.client.jaxrs.ResteasyClient;
/**
* Represents a close-able RESTEasy client proxy. Users should preferably call {@link #close()} after they're
* done with the API.
* @param Type of the API to be handled.
*/
class Api implements ApiBlueprint,
AutoCloseable {
private final AtomicReference client;
private final T api;
public Api(final T api) {
this(api, null);
}
public Api(final T api, final ResteasyClient client) {
this.client = new AtomicReference<>(client);
this.api = api;
}
@Override
public S execute(final Function function) {
return function.apply(api);
}
boolean isClosed() {
return client.get() == null;
}
@Override
public void close() {
if (this.isClosed()) {
return;
}
client.getAndSet(null).close();
}
}