diff options
Diffstat (limited to 'src/main/java/org/openecomp/dcae/inventory/clients/DatabusControllerClient.java')
-rw-r--r-- | src/main/java/org/openecomp/dcae/inventory/clients/DatabusControllerClient.java | 91 |
1 files changed, 91 insertions, 0 deletions
diff --git a/src/main/java/org/openecomp/dcae/inventory/clients/DatabusControllerClient.java b/src/main/java/org/openecomp/dcae/inventory/clients/DatabusControllerClient.java new file mode 100644 index 0000000..9df11d5 --- /dev/null +++ b/src/main/java/org/openecomp/dcae/inventory/clients/DatabusControllerClient.java @@ -0,0 +1,91 @@ +/*- + * ============LICENSE_START======================================================= + * dcae-inventory + * ================================================================================ + * Copyright (C) 2017 AT&T 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.openecomp.dcae.inventory.clients; + +import org.openecomp.dcae.inventory.InventoryConfiguration; +import org.openecomp.dcae.inventory.exceptions.DatabusControllerClientException; +import com.fasterxml.jackson.core.type.TypeReference; +import com.fasterxml.jackson.databind.ObjectMapper; + +import javax.ws.rs.client.Client; +import javax.ws.rs.core.MediaType; +import javax.ws.rs.core.Response; +import javax.ws.rs.core.UriBuilder; +import java.io.IOException; +import java.io.InputStream; +import java.net.URI; +import java.util.Map; + +/** + * Created by mhwang on 5/25/16. + */ +public class DatabusControllerClient { + + private final Client client; + private final InventoryConfiguration.DatabusControllerConnectionConfiguration connectionConfiguration; + + public URI constructResourceURI(String resourcePath) { + // Make sure that the resource path has a "/" because the UriBuilder sucks and doesn't do it for us. + if (resourcePath.charAt(0) != '/') { + resourcePath = (new StringBuilder("/")).append(resourcePath).toString(); + } + + return UriBuilder.fromPath(resourcePath.toString()).scheme("https").host(this.connectionConfiguration.getHost()) + .port(this.connectionConfiguration.getPort()).build(); + } + + // TODO: Actually model the JSON objects so that they can be returned to be used for providing useful information + // and thus change this to a "get". + public boolean isExists(String componentId) throws DatabusControllerClientException { + URI uri = constructResourceURI(componentId); + + Response response = client.target(uri).request(MediaType.APPLICATION_JSON_TYPE) + .header("Content-Type", "application/json").get(); + + if (response.getStatus() == 200) { + ObjectMapper om = new ObjectMapper(); + + try { + Map<String, Object> entity = om.readValue((InputStream) response.getEntity(), + new TypeReference<Map<String, Object>>() {}); + + return (entity != null && entity.size() > 0) ? true : false; + } catch (IOException e) { + throw new DatabusControllerClientException(e); + } + } else if (response.getStatus() == 401) { + // You probably got this because your mech id/password is not authorized + throw new DatabusControllerClientException(String.format("Check the mech id/password: %d", response.getStatus())); + } else if (response.getStatus() == 403) { + throw new DatabusControllerClientException(String.format("Credentials not authorized: %d", response.getStatus())); + } + + throw new DatabusControllerClientException(String.format("Unexpected error from databus controller: %d", + response.getStatus())); + } + + public DatabusControllerClient(Client client, + InventoryConfiguration.DatabusControllerConnectionConfiguration connectionConfiguration) { + this.client = client; + this.connectionConfiguration = connectionConfiguration; + } + +} |