001package ca.uhn.fhir.okhttp.client;
002
003import java.net.InetSocketAddress;
004import java.net.Proxy;
005import java.util.List;
006import java.util.Map;
007
008/*
009 * #%L
010 * HAPI FHIR OkHttp Client
011 * %%
012 * Copyright (C) 2014 - 2018 University Health Network
013 * %%
014 * Licensed under the Apache License, Version 2.0 (the "License");
015 * you may not use this file except in compliance with the License.
016 * You may obtain a copy of the License at
017 * 
018 *      http://www.apache.org/licenses/LICENSE-2.0
019 * 
020 * Unless required by applicable law or agreed to in writing, software
021 * distributed under the License is distributed on an "AS IS" BASIS,
022 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
023 * See the License for the specific language governing permissions and
024 * limitations under the License.
025 * #L%
026 */
027
028import ca.uhn.fhir.context.FhirContext;
029import ca.uhn.fhir.rest.api.RequestTypeEnum;
030import ca.uhn.fhir.rest.client.api.Header;
031import ca.uhn.fhir.rest.client.api.IHttpClient;
032import ca.uhn.fhir.rest.client.impl.RestfulClientFactory;
033import okhttp3.Call;
034import okhttp3.OkHttpClient;
035
036/**
037 * A Restful client factory based on OkHttp.
038 *
039 * @author Matthew Clarke | matthew.clarke@orionhealth.com | Orion Health
040 */
041public class OkHttpRestfulClientFactory extends RestfulClientFactory {
042
043    private Call.Factory myNativeClient;
044
045    public OkHttpRestfulClientFactory() {
046        super();
047    }
048
049    public OkHttpRestfulClientFactory(FhirContext theFhirContext) {
050        super(theFhirContext);
051    }
052
053    @Override
054    protected IHttpClient getHttpClient(String theServerBase) {
055        return new OkHttpRestfulClient(getNativeClient(), new StringBuilder(theServerBase), null, null, null, null);
056    }
057
058    @Override
059    protected void resetHttpClient() {
060        myNativeClient = null;
061    }
062
063    public synchronized Call.Factory getNativeClient() {
064        if (myNativeClient == null) {
065            myNativeClient = new OkHttpClient();
066        }
067
068        return myNativeClient;
069    }
070
071    @Override
072    public IHttpClient getHttpClient(StringBuilder theUrl,
073                                     Map<String, List<String>> theIfNoneExistParams,
074                                     String theIfNoneExistString,
075                                     RequestTypeEnum theRequestType,
076                                     List<Header> theHeaders) {
077        return new OkHttpRestfulClient(getNativeClient(), theUrl, theIfNoneExistParams, theIfNoneExistString, theRequestType, theHeaders);
078    }
079
080    /**
081     * Only accepts clients of type {@link OkHttpClient}
082     *
083     * @param okHttpClient
084     */
085    @Override
086    public void setHttpClient(Object okHttpClient) {
087        myNativeClient = (Call.Factory) okHttpClient;
088    }
089
090    @Override
091    public void setProxy(String theHost, Integer thePort) {
092        Proxy proxy = new Proxy(Proxy.Type.HTTP, new InetSocketAddress(theHost, thePort));
093        OkHttpClient.Builder builder = ((OkHttpClient)getNativeClient()).newBuilder().proxy(proxy);
094        setHttpClient(builder.build());
095    }
096
097}