com.holonplatform.jaxrs.client.internal.JaxrsRestClientOperations Maven / Gradle / Ivy
/*
* Copyright 2016-2018 Axioma srl.
*
* 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.holonplatform.jaxrs.client.internal;
import java.util.List;
import java.util.Map;
import java.util.Map.Entry;
import java.util.Optional;
import javax.ws.rs.client.Client;
import javax.ws.rs.client.Entity;
import javax.ws.rs.client.WebTarget;
import javax.ws.rs.core.MultivaluedHashMap;
import javax.ws.rs.core.MultivaluedMap;
import com.holonplatform.http.MediaType;
import com.holonplatform.http.internal.HttpUtils;
import com.holonplatform.http.rest.RequestEntity;
import com.holonplatform.http.rest.RestClientOperations.RequestConfiguration;
/**
* JAX-RS RestClient operations support.
*
* @since 5.2.0
*/
public final class JaxrsRestClientOperations {
private static final String APPLICATION_FORM_URLENCODED_MEDIA_TYPE = MediaType.APPLICATION_FORM_URLENCODED
.toString();
private JaxrsRestClientOperations() {
}
/**
* Configure a JAX-RS {@link WebTarget} using given request configuration.
* @param client JAX-RS client
* @param request Request configuration
* @return Configured WebTarget
*/
public static WebTarget configure(Client client, RequestConfiguration request) {
WebTarget target = client.target(request.getRequestURI());
// template parameters
target = target.resolveTemplates(request.getTemplateParameters());
// query parameters
for (Entry qp : request.getQueryParameters().entrySet()) {
target = target.queryParam(qp.getKey(), qp.getValue());
}
// property set
final WebTarget configuredTarget = target;
request.getPropertySet().ifPresent(ps -> configuredTarget.register(new PropertyBoxReaderInterceptor(ps)));
// done
return configuredTarget;
}
/**
* Build a jax-rs {@link Entity} from given request entity
* @param requestEntity Request entity
* @return jax-rs Entity
*/
public static Optional> buildRequestEntity(RequestEntity requestEntity) {
if (requestEntity != null) {
boolean form = requestEntity.getMediaType().map(m -> APPLICATION_FORM_URLENCODED_MEDIA_TYPE.equals(m))
.orElse(Boolean.FALSE);
return requestEntity.getPayload().map(p -> form ? Entity.form(convert(HttpUtils.getAsMultiMap(p)))
: Entity.entity(p, requestEntity.getMediaType().orElse(null)));
}
return Optional.empty();
}
/**
* Convert the given map into {@link MultivaluedMap}.
* @param data Map to convert
* @return Converted map
*/
private static MultivaluedMap convert(Map> data) {
if (data != null) {
MultivaluedMap mvm = new MultivaluedHashMap<>();
for (Entry> entry : data.entrySet()) {
mvm.put(entry.getKey(), entry.getValue());
}
return mvm;
}
return null;
}
}