diff options
author | 2018-04-21 16:51:20 +0200 | |
---|---|---|
committer | 2018-04-23 15:07:22 +0200 | |
commit | a274374b520aad75c99cdce7f4f9ebc31ce74343 (patch) | |
tree | d537e1747184cf7688c7db48bcc91fdc84482817 /prh-dmaap-client/src/main/java | |
parent | 1fb9130cd488228574b49e078148e4bcf1a7a5a8 (diff) |
DmaaP http clients added
Change-Id: I1acc7e2a46b81b0af9a3b23982582c9e0053ffa1
Issue-ID: DCAEGEN2-451
Signed-off-by: pwielebs <piotr.wielebski@nokia.com>
Diffstat (limited to 'prh-dmaap-client/src/main/java')
8 files changed, 488 insertions, 18 deletions
diff --git a/prh-dmaap-client/src/main/java/org/onap/dcaegen2/services/config/DmaapConsumerConfiguration.java b/prh-dmaap-client/src/main/java/org/onap/dcaegen2/services/config/DmaapConsumerConfiguration.java index de24caec..382dfcad 100644 --- a/prh-dmaap-client/src/main/java/org/onap/dcaegen2/services/config/DmaapConsumerConfiguration.java +++ b/prh-dmaap-client/src/main/java/org/onap/dcaegen2/services/config/DmaapConsumerConfiguration.java @@ -35,16 +35,16 @@ public abstract class DmaapConsumerConfiguration implements DmaapCustomConfig { private static final long serialVersionUID = 1L; @Value.Parameter - abstract String consumerId(); + public abstract String consumerId(); @Value.Parameter - abstract String consumerGroup(); + public abstract String consumerGroup(); @Value.Parameter - abstract Integer timeoutMS(); + public abstract Integer timeoutMS(); @Value.Parameter - abstract Integer messageLimit(); + public abstract Integer messageLimit(); public interface Builder extends diff --git a/prh-dmaap-client/src/main/java/org/onap/dcaegen2/services/config/DmaapCustomConfig.java b/prh-dmaap-client/src/main/java/org/onap/dcaegen2/services/config/DmaapCustomConfig.java index 60df5b05..0c20989a 100644 --- a/prh-dmaap-client/src/main/java/org/onap/dcaegen2/services/config/DmaapCustomConfig.java +++ b/prh-dmaap-client/src/main/java/org/onap/dcaegen2/services/config/DmaapCustomConfig.java @@ -28,42 +28,42 @@ import org.immutables.value.Value; public interface DmaapCustomConfig extends Serializable { @Value.Parameter - String dmmapHostName(); + String dmaapHostName(); @Value.Parameter - Integer dmmapPortNumber(); + Integer dmaapPortNumber(); @Value.Parameter - String dmmapTopicName(); + String dmaapTopicName(); @Value.Parameter - String dmmapProtocol(); + String dmaapProtocol(); @Value.Parameter - String dmmapUserName(); + String dmaapUserName(); @Value.Parameter - String dmmapUserPassword(); + String dmaapUserPassword(); @Value.Parameter - String dmmapContentType(); + String dmaapContentType(); interface Builder<T extends DmaapCustomConfig, B extends Builder<T, B>> { - B dmmapHostName(String dmmapHostName); + B dmaapHostName(String dmaapHostName); - B dmmapPortNumber(Integer dmmapPortNumber); + B dmaapPortNumber(Integer dmaapPortNumber); - B dmmapTopicName(String dmmapTopicName); + B dmaapTopicName(String dmaapTopicName); - B dmmapProtocol(String dmmapProtocol); + B dmaapProtocol(String dmaapProtocol); - B dmmapUserName(String dmmapUserName); + B dmaapUserName(String dmaapUserName); - B dmmapUserPassword(String dmmapUserPassword); + B dmaapUserPassword(String dmaapUserPassword); - B dmmapContentType(String dmmapContentType); + B dmaapContentType(String dmaapContentType); T build(); } diff --git a/prh-dmaap-client/src/main/java/org/onap/dcaegen2/services/service/CommonMethods.java b/prh-dmaap-client/src/main/java/org/onap/dcaegen2/services/service/CommonMethods.java new file mode 100644 index 00000000..fe792809 --- /dev/null +++ b/prh-dmaap-client/src/main/java/org/onap/dcaegen2/services/service/CommonMethods.java @@ -0,0 +1,52 @@ +/*- + * ============LICENSE_START======================================================= + * PNF-REGISTRATION-HANDLER + * ================================================================================ + * Copyright (C) 2018 NOKIA Intellectual Property. All rights reserved. + * ================================================================================ + * 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.dcaegen2.services.service; + +import org.apache.http.HttpEntity; +import org.apache.http.client.ResponseHandler; +import org.apache.http.util.EntityUtils; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +import java.util.Optional; + +public class CommonMethods { + + private static Logger logger = LoggerFactory.getLogger(CommonMethods.class); + + private CommonMethods() {} + + public static ResponseHandler<Optional<String>> dmaapResponseHandler() { + return httpResponse -> { + final int responseCode = httpResponse.getStatusLine().getStatusCode(); + final HttpEntity responseEntity = httpResponse.getEntity(); + + if (HttpUtils.isSuccessfulResponseCode(responseCode) && responseEntity != null) { + logger.info("HTTP response successful."); + final String response = EntityUtils.toString(responseEntity); + return Optional.of(response); + } else { + String response = responseEntity != null ? EntityUtils.toString(responseEntity) : ""; + logger.error("HTTP response not successful : {}", response); + return Optional.empty(); + } + }; + } +} diff --git a/prh-dmaap-client/src/main/java/org/onap/dcaegen2/services/service/DmaapHttpClientImpl.java b/prh-dmaap-client/src/main/java/org/onap/dcaegen2/services/service/DmaapHttpClientImpl.java new file mode 100644 index 00000000..be4442d7 --- /dev/null +++ b/prh-dmaap-client/src/main/java/org/onap/dcaegen2/services/service/DmaapHttpClientImpl.java @@ -0,0 +1,71 @@ +/*- + * ============LICENSE_START======================================================= + * PNF-REGISTRATION-HANDLER + * ================================================================================ + * Copyright (C) 2018 NOKIA Intellectual Property. All rights reserved. + * ================================================================================ + * 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.dcaegen2.services.service; + +import org.apache.http.auth.AuthScope; +import org.apache.http.auth.Credentials; +import org.apache.http.auth.UsernamePasswordCredentials; +import org.apache.http.client.CredentialsProvider; +import org.apache.http.impl.client.BasicCredentialsProvider; +import org.apache.http.impl.client.CloseableHttpClient; +import org.apache.http.impl.client.HttpClientBuilder; +import org.apache.http.impl.client.HttpClients; +import org.onap.dcaegen2.services.config.DmaapCustomConfig; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +public class DmaapHttpClientImpl { + + private static Logger logger = LoggerFactory.getLogger(DmaapHttpClientImpl.class); + + private final String dmaapHostName; + private final Integer dmaapPortNumber; + private final String dmaapUserName; + private final String dmaapUserPassword; + + + public DmaapHttpClientImpl(DmaapCustomConfig configuration) { + this.dmaapHostName = configuration.dmaapHostName(); + this.dmaapPortNumber = configuration.dmaapPortNumber(); + this.dmaapUserName = configuration.dmaapUserName(); + this.dmaapUserPassword = configuration.dmaapUserPassword(); + } + + public CloseableHttpClient getHttpClient() { + + logger.info("Preparing closeable http client"); + + HttpClientBuilder httpClientBuilder = HttpClients.custom().useSystemProperties(); + + final CredentialsProvider credentialsProvider = new BasicCredentialsProvider(); + + if (dmaapUserName != null) { + final AuthScope dmaapHostPortAuthScope = new AuthScope(dmaapHostName, dmaapPortNumber); + final Credentials dmaapCredentials = new UsernamePasswordCredentials(dmaapUserName, dmaapUserPassword); + credentialsProvider.setCredentials(dmaapHostPortAuthScope, dmaapCredentials); + } + + httpClientBuilder.setDefaultCredentialsProvider(credentialsProvider); + + return httpClientBuilder.build(); + } + +} diff --git a/prh-dmaap-client/src/main/java/org/onap/dcaegen2/services/service/HttpUtils.java b/prh-dmaap-client/src/main/java/org/onap/dcaegen2/services/service/HttpUtils.java new file mode 100644 index 00000000..fb615bbf --- /dev/null +++ b/prh-dmaap-client/src/main/java/org/onap/dcaegen2/services/service/HttpUtils.java @@ -0,0 +1,31 @@ +/*- + * ============LICENSE_START======================================================= + * PNF-REGISTRATION-HANDLER + * ================================================================================ + * Copyright (C) 2018 NOKIA Intellectual Property. All rights reserved. + * ================================================================================ + * 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.dcaegen2.services.service; + +import org.apache.http.HttpStatus; + +public final class HttpUtils implements HttpStatus { + + private HttpUtils() {} + + public static boolean isSuccessfulResponseCode(Integer statusCode) { + return statusCode >= 200 && statusCode < 300; + } +} diff --git a/prh-dmaap-client/src/main/java/org/onap/dcaegen2/services/service/consumer/ExtendedDmaapConsumerHttpClientImpl.java b/prh-dmaap-client/src/main/java/org/onap/dcaegen2/services/service/consumer/ExtendedDmaapConsumerHttpClientImpl.java new file mode 100644 index 00000000..30d7ad86 --- /dev/null +++ b/prh-dmaap-client/src/main/java/org/onap/dcaegen2/services/service/consumer/ExtendedDmaapConsumerHttpClientImpl.java @@ -0,0 +1,131 @@ +/*- + * ============LICENSE_START======================================================= + * PNF-REGISTRATION-HANDLER + * ================================================================================ + * Copyright (C) 2018 NOKIA Intellectual Property. All rights reserved. + * ================================================================================ + * 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.dcaegen2.services.service.consumer; + +import org.apache.http.client.methods.HttpGet; +import org.apache.http.client.methods.HttpRequestBase; +import org.apache.http.client.utils.URIBuilder; +import org.apache.http.impl.client.CloseableHttpClient; +import org.onap.dcaegen2.services.config.DmaapConsumerConfiguration; +import org.onap.dcaegen2.services.service.CommonMethods; +import org.onap.dcaegen2.services.service.DmaapHttpClientImpl; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +import java.io.IOException; +import java.net.URI; +import java.net.URISyntaxException; +import java.util.Optional; + + +public class ExtendedDmaapConsumerHttpClientImpl { + + private static Logger logger = LoggerFactory.getLogger(ExtendedDmaapConsumerHttpClientImpl.class); + + private final CloseableHttpClient closeableHttpClient; + private final String dmaapHostName; + private final String dmaapProtocol; + private final Integer dmaapPortNumber; + private final String dmaapTopicName; + private final String consumerGroup; + private final String consumerId; + private final String dmaapContentType; + + + public ExtendedDmaapConsumerHttpClientImpl(DmaapConsumerConfiguration configuration) { + this.closeableHttpClient = new DmaapHttpClientImpl(configuration).getHttpClient(); + this.dmaapHostName = configuration.dmaapHostName(); + this.dmaapProtocol = configuration.dmaapProtocol(); + this.dmaapPortNumber = configuration.dmaapPortNumber(); + this.dmaapTopicName = configuration.dmaapTopicName(); + this.consumerGroup = configuration.consumerGroup(); + this.consumerId = configuration.consumerId(); + this.dmaapContentType = configuration.dmaapContentType(); + } + + public Optional<String> getHttpConsumerResponse() { + + Optional<String> extendedDetails = Optional.empty(); + Optional<HttpRequestBase> request = createRequest(); + + try { + extendedDetails = closeableHttpClient.execute(request.get(), CommonMethods.dmaapResponseHandler()); + } catch (IOException | NullPointerException e) { + logger.error("Exception while executing HTTP request: {}", e); + } + + if (extendedDetails.isPresent()) { + return extendedDetails; + } else { + return Optional.empty(); + } + } + + private static HttpRequestBase createHttpRequest(URI extendedURI) { + if (isExtendedURINotNull(extendedURI)) { + return new HttpGet(extendedURI); + } + + return null; + } + + private static Boolean isExtendedURINotNull(URI extendedURI) { + return extendedURI != null; + } + + private Optional<HttpRequestBase> createRequest() { + + Optional<HttpRequestBase> request = Optional.empty(); + final URI extendedURI = createDmaapConsumerExtendedURI(); + + if ("application/json".equals(dmaapContentType)) { + request = Optional.of(createHttpRequest(extendedURI)); + request.get().addHeader("Content-type", dmaapContentType); + } + + return request; + } + + private String createRequestPath() { + return dmaapTopicName + "/" + consumerGroup + "/" + consumerId; + } + + private URI createDmaapConsumerExtendedURI() { + URI extendedURI = null; + + final URIBuilder uriBuilder = new URIBuilder() + .setScheme(dmaapProtocol) + .setHost(dmaapHostName) + .setPort(dmaapPortNumber) + .setPath(createRequestPath()); + + try { + logger.info("Building extended URI"); + extendedURI = uriBuilder.build(); + } catch (URISyntaxException e) { + logger.error("Exception while building extended URI: {}", e); + } + + return extendedURI; + } +} + + diff --git a/prh-dmaap-client/src/main/java/org/onap/dcaegen2/services/service/producer/DmaapPublisherRequestDetails.java b/prh-dmaap-client/src/main/java/org/onap/dcaegen2/services/service/producer/DmaapPublisherRequestDetails.java new file mode 100644 index 00000000..6541fe96 --- /dev/null +++ b/prh-dmaap-client/src/main/java/org/onap/dcaegen2/services/service/producer/DmaapPublisherRequestDetails.java @@ -0,0 +1,38 @@ +/*- + * ============LICENSE_START======================================================= + * PNF-REGISTRATION-HANDLER + * ================================================================================ + * Copyright (C) 2018 NOKIA Intellectual Property. All rights reserved. + * ================================================================================ + * 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.dcaegen2.services.service.producer; + +import org.immutables.value.Value; + +import java.util.Optional; + +@Value.Immutable(prehash = true) +@Value.Style(builder = "new") +public abstract class DmaapPublisherRequestDetails { + + private static final long serialVersionUID = 1L; + + @Value.Parameter + public abstract String dmaapAPIPath(); + + @Value.Parameter + public abstract Optional<String> jsonBody(); +} diff --git a/prh-dmaap-client/src/main/java/org/onap/dcaegen2/services/service/producer/ExtendedDmaapProducerHttpClientImpl.java b/prh-dmaap-client/src/main/java/org/onap/dcaegen2/services/service/producer/ExtendedDmaapProducerHttpClientImpl.java new file mode 100644 index 00000000..32972273 --- /dev/null +++ b/prh-dmaap-client/src/main/java/org/onap/dcaegen2/services/service/producer/ExtendedDmaapProducerHttpClientImpl.java @@ -0,0 +1,147 @@ +/*- + * ============LICENSE_START======================================================= + * PNF-REGISTRATION-HANDLER + * ================================================================================ + * Copyright (C) 2018 NOKIA Intellectual Property. All rights reserved. + * ================================================================================ + * 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.dcaegen2.services.service.producer; + +import org.apache.http.client.methods.HttpPost; +import org.apache.http.client.methods.HttpRequestBase; +import org.apache.http.client.utils.URIBuilder; +import org.apache.http.entity.StringEntity; +import org.apache.http.impl.client.CloseableHttpClient; +import org.onap.dcaegen2.services.config.DmaapPublisherConfiguration; +import org.onap.dcaegen2.services.service.CommonMethods; +import org.onap.dcaegen2.services.service.DmaapHttpClientImpl; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +import java.io.IOException; +import java.io.UnsupportedEncodingException; +import java.net.URI; +import java.net.URISyntaxException; +import java.util.Optional; + +public class ExtendedDmaapProducerHttpClientImpl { + + private static Logger logger = LoggerFactory.getLogger(ExtendedDmaapProducerHttpClientImpl.class); + + private final CloseableHttpClient closeableHttpClient; + private final String dmaapHostName; + private final String dmaapProtocol; + private final Integer dmaapPortNumber; + private final String dmaapTopicName; + private final String dmaapContentType; + + + ExtendedDmaapProducerHttpClientImpl(DmaapPublisherConfiguration configuration) { + this.closeableHttpClient = new DmaapHttpClientImpl(configuration).getHttpClient(); + this.dmaapHostName = configuration.dmaapHostName(); + this.dmaapProtocol = configuration.dmaapProtocol(); + this.dmaapPortNumber = configuration.dmaapPortNumber(); + this.dmaapTopicName = configuration.dmaapTopicName(); + this.dmaapContentType = configuration.dmaapContentType(); + } + + public Optional<String> getHttpProducerResponse(DmaapPublisherRequestDetails requestDetails) { + + Optional<String> extendedDetails = Optional.empty(); + Optional<HttpRequestBase> request = createRequest(requestDetails); + + try { + extendedDetails = closeableHttpClient.execute(request.get(), CommonMethods.dmaapResponseHandler()); + } catch (IOException | NullPointerException e) { + logger.error("Exception while executing HTTP request: {}", e); + } + + if (extendedDetails.isPresent()) { + return extendedDetails; + } else { + return Optional.empty(); + } + } + + private Boolean isExtendedURINotNull(URI extendedURI) { + return extendedURI != null; + } + + private Optional<StringEntity> createStringEntity(Optional<String> jsonBody) { + return Optional.of(parseJson(jsonBody).get()); + } + + private Optional<StringEntity> parseJson(Optional<String> jsonBody) { + Optional<StringEntity> stringEntity = Optional.empty(); + + try { + stringEntity = Optional.of(new StringEntity(jsonBody.get())); + } catch (UnsupportedEncodingException e) { + logger.error("Exception while parsing JSON: {}", e); + } + + return stringEntity; + } + + private Optional<HttpRequestBase> createRequest (DmaapPublisherRequestDetails requestDetails) { + + Optional<HttpRequestBase> request = Optional.empty(); + final URI extendedURI = createDmaapPublisherExtendedURI(requestDetails); + + if ("application/json".equals(dmaapContentType)) { + request = Optional.of(createRequest(extendedURI, requestDetails)); + request.get().addHeader("Content-type", dmaapContentType); + } + + return request; + } + + private URI createDmaapPublisherExtendedURI(DmaapPublisherRequestDetails requestDetails) { + URI extendedURI = null; + + final URIBuilder uriBuilder = new URIBuilder() + .setScheme(dmaapProtocol) + .setHost(dmaapHostName) + .setPort(dmaapPortNumber) + .setPath(requestDetails.dmaapAPIPath() + "/" + dmaapTopicName); + + try { + logger.info("Building extended URI"); + extendedURI = uriBuilder.build(); + } catch (URISyntaxException e) { + logger.error("Exception while building extended URI: {}", e); + } + + return extendedURI; + } + + private HttpRequestBase createRequest(URI extendedURI, DmaapPublisherRequestDetails requestDetails) { + if (isExtendedURINotNull(extendedURI) && requestDetails.jsonBody().isPresent()) { + return createHttpPost(extendedURI, requestDetails.jsonBody()); + } else { + return null; + } + } + + private HttpPost createHttpPost(URI extendedURI, Optional<String> jsonBody) { + HttpPost post = new HttpPost(extendedURI); + Optional<StringEntity> stringEntity = createStringEntity(jsonBody); + post.setEntity(stringEntity.get()); + return post; + } + + +} |