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/**
* ============LICENSE_START===================================================
* Copyright (c) 2018-2019 European Software Marketing Ltd.
* ============================================================================
* 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.
* ============LICENSE_END=====================================================
*/
package org.onap.aai.validation.data.client;
import java.util.Arrays;
import java.util.UUID;
import javax.inject.Inject;
import javax.ws.rs.core.MediaType;
import javax.ws.rs.core.MultivaluedHashMap;
import javax.ws.rs.core.MultivaluedMap;
import org.onap.aai.restclient.client.OperationResult;
import org.onap.aai.validation.config.RestConfig;
import org.onap.aai.validation.exception.ValidationServiceError;
import org.onap.aai.validation.exception.ValidationServiceException;
/**
* REST client capable of establishing secured requests.
*/
public class RestClient {
private RestConfig restConfig;
private org.onap.aai.restclient.client.RestClient aaiRestClient;
private MultivaluedMap<String, String> headers;
private static final String ACCEPT = "application/json";
private static final String HEADER_X_FROM_APP_ID = "validation-service";
private static final String APP_CONFIG_HOME = System.getProperty("CONFIG_HOME");
/**
* Constructs a new rest client with the injected parameters.
*
* @param restConfig
*/
@Inject
public RestClient(RestConfig restConfig) {
this.restConfig = restConfig;
initialiseRestClient();
}
/** Initialises the REST client */
private void initialiseRestClient() {
// @formatter:off
aaiRestClient = new org.onap.aai.restclient.client.RestClient()
.validateServerHostname(false)
.validateServerCertChain(true)
.clientCertFile(APP_CONFIG_HOME + restConfig.getKeyStorePath())
.clientCertPassword(restConfig.getKeyStorePassword())
.trustStore(APP_CONFIG_HOME + restConfig.getTrustStorePath())
.connectTimeoutMs(restConfig.getConnectionTimeout())
.readTimeoutMs(restConfig.getReadTimeout());
// @formatter:on
headers = new MultivaluedHashMap<>();
headers.put("Accept", Arrays.asList(ACCEPT));
headers.put("X-FromAppId", Arrays.asList(HEADER_X_FROM_APP_ID));
headers.put("X-TransactionId", Arrays.asList(UUID.randomUUID().toString()));
}
/**
* Invokes the REST URL and returns the payload string.
*
* @param uriPath
* @param mediaType
* @return The payload of the REST URL call as a string.
* @throws ValidationServiceException
*/
public String get(String uriPath, String mediaType) throws ValidationServiceException {
// Construct URI
String uri = restConfig.getProtocol() + "://" + restConfig.getHost() + ":" + restConfig.getPort() + uriPath;
OperationResult result = aaiRestClient.get(uri, headers, MediaType.valueOf(mediaType));
if (result.getResultCode() == 200) {
return result.getResult();
} else if (result.getResultCode() == 404) {
throw new ValidationServiceException(ValidationServiceError.REST_CLIENT_RESPONSE_NOT_FOUND,
result.getResultCode(), result.getFailureCause());
} else {
throw new ValidationServiceException(ValidationServiceError.REST_CLIENT_RESPONSE_ERROR,
result.getResultCode(), result.getFailureCause());
}
}
/**
* POSTs a request.
*
* @param url
* @param payload
* @return The payload of the REST URL call as a string.
* @throws GapServiceException
*/
public String post(String url, String payload) throws ValidationServiceException {
OperationResult result = aaiRestClient.post(url, payload, headers, MediaType.APPLICATION_JSON_TYPE,
MediaType.APPLICATION_JSON_TYPE);
if (result.getResultCode() == 200) {
return result.getResult();
} else {
throw new ValidationServiceException(ValidationServiceError.REST_CLIENT_RESPONSE_ERROR,
result.getResultCode(), result.getFailureCause());
}
}
}
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