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/**
* Copyright 2016 2015-2016 ZTE, Inc. and others. 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.
*/
/**
* Copyright (C) 2016 ZTE, Inc. and others. All rights reserved. (ZTE)
*
* 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 org.openo.msb.wrapper.consul;
import static org.openo.msb.wrapper.consul.util.ClientUtil.response;
import java.util.List;
import java.util.Map;
import javax.ws.rs.client.WebTarget;
import javax.ws.rs.core.GenericType;
import javax.ws.rs.core.MediaType;
import org.openo.msb.wrapper.consul.async.ConsulResponseCallback;
import org.openo.msb.wrapper.consul.model.ConsulResponse;
import org.openo.msb.wrapper.consul.model.catalog.CatalogNode;
import org.openo.msb.wrapper.consul.model.catalog.CatalogService;
import org.openo.msb.wrapper.consul.model.health.Node;
import org.openo.msb.wrapper.consul.option.CatalogOptions;
import org.openo.msb.wrapper.consul.option.QueryOptions;
/**
* HTTP Client for /v1/catalog/ endpoints or api/catalog/v1 by openresty
*/
public class CatalogClient {
private static final GenericType<List<String>> TYPE_STRING_LIST = new GenericType<List<String>>() {};
private static final GenericType<List<Node>> TYPE_NODE_LIST = new GenericType<List<Node>>() {};
private static final GenericType<Map<String, List<String>>> TYPE_SERVICES_MAP = new GenericType<Map<String, List<String>>>() {};
private static final GenericType<List<CatalogService>> TYPE_CATALOG_SERVICE_LIST = new GenericType<List<CatalogService>>() {};
private static final GenericType<CatalogNode> TYPE_CATALOG_NODE = new GenericType<CatalogNode>() {};
private final WebTarget webTarget;
/**
* Constructs an instance of this class.
*
* @param webTarget The {@link javax.ws.rs.client.WebTarget} to base requests from.
*/
CatalogClient(WebTarget webTarget) {
this.webTarget = webTarget;
}
/**
* Retrieves all datacenters.
*
* GET /v1/catalog/datacenters
*
* @return A list of datacenter names.
*/
public List<String> getDatacenters() {
return webTarget.path("datacenters").request()
.accept(MediaType.APPLICATION_JSON_TYPE).get(TYPE_STRING_LIST);
}
/**
* Retrieves all nodes.
*
* GET /v1/catalog/nodes
*
* @return A {@link org.openo.msb.wrapper.consul.model.ConsulResponse} containing a list of
* {@link org.openo.msb.wrapper.consul.model.health.Node} objects.
*/
public ConsulResponse<List<Node>> getNodes() {
return getNodes(null, QueryOptions.BLANK);
}
/**
* Retrieves all nodes for a given datacenter.
*
* GET /v1/catalog/nodes?dc={datacenter}
*
* @param catalogOptions Catalog specific options to use.
* @return A {@link org.openo.msb.wrapper.consul.model.ConsulResponse} containing a list of
* {@link org.openo.msb.wrapper.consul.model.health.Node} objects.
*/
public ConsulResponse<List<Node>> getNodes(CatalogOptions catalogOptions) {
return getNodes(catalogOptions, QueryOptions.BLANK);
}
/**
* Retrieves all nodes with {@link org.openo.msb.wrapper.consul.option.QueryOptions}.
*
* GET /v1/catalog/nodes
*
* @param queryOptions The Query Options to use.
* @return A {@link org.openo.msb.wrapper.consul.model.ConsulResponse} containing a list of
* {@link org.openo.msb.wrapper.consul.model.health.Node} objects.
*/
public ConsulResponse<List<Node>> getNodes(QueryOptions queryOptions) {
return getNodes(null, queryOptions);
}
/**
* Retrieves all nodes for a given datacenter with {@link org.openo.msb.wrapper.consul.option.QueryOptions}.
*
* GET /v1/catalog/nodes?dc={datacenter}
*
* @param catalogOptions Catalog specific options to use.
* @param queryOptions The Query Options to use.
* @return A {@link org.openo.msb.wrapper.consul.model.ConsulResponse} containing a list of
* {@link org.openo.msb.wrapper.consul.model.health.Node} objects.
*/
public ConsulResponse<List<Node>> getNodes(CatalogOptions catalogOptions, QueryOptions queryOptions) {
return response(webTarget.path("nodes"), catalogOptions, queryOptions, TYPE_NODE_LIST);
}
/**
* Retrieves all services for a given datacenter.
*
* GET /v1/catalog/services?dc={datacenter}
*
* @return A {@link org.openo.msb.wrapper.consul.model.ConsulResponse} containing a map of service name to list of tags.
*/
public ConsulResponse<Map<String, List<String>>> getServices() {
return getServices(null, QueryOptions.BLANK);
}
/**
* Retrieves all services for a given datacenter.
*
* GET /v1/catalog/services?dc={datacenter}
*
* @param catalogOptions Catalog specific options to use.
* @return A {@link org.openo.msb.wrapper.consul.model.ConsulResponse} containing a map of service name to list of tags.
*/
public ConsulResponse<Map<String, List<String>>> getServices(CatalogOptions catalogOptions) {
return getServices(catalogOptions, QueryOptions.BLANK);
}
/**
* Retrieves all services for a given datacenter with {@link org.openo.msb.wrapper.consul.option.QueryOptions}.
*
* GET /v1/catalog/services?dc={datacenter}
*
* @param queryOptions The Query Options to use.
* @return A {@link org.openo.msb.wrapper.consul.model.ConsulResponse} containing a map of service name to list of tags.
*/
public ConsulResponse<Map<String, List<String>>> getServices(QueryOptions queryOptions) {
return getServices(null, queryOptions);
}
/**
* Retrieves all services for a given datacenter with {@link org.openo.msb.wrapper.consul.option.QueryOptions}.
*
* GET /v1/catalog/services?dc={datacenter}
*
* @param catalogOptions Catalog specific options to use.
* @param queryOptions The Query Options to use.
* @return A {@link org.openo.msb.wrapper.consul.model.ConsulResponse} containing a map of service name to list of tags.
*/
public ConsulResponse<Map<String, List<String>>> getServices(CatalogOptions catalogOptions, QueryOptions queryOptions) {
return response(webTarget.path("services"), catalogOptions, queryOptions, TYPE_SERVICES_MAP);
}
public void getService(QueryOptions queryOptions, ConsulResponseCallback<Map<String, List<String>>> callback) {
response(webTarget.path("services"), CatalogOptions.BLANK,
queryOptions, TYPE_SERVICES_MAP, callback);
}
/**
* Retrieves a single service.
*
* GET /v1/catalog/service/{service}
*
* @return A {@link org.openo.msb.wrapper.consul.model.ConsulResponse} containing
* {@link org.openo.msb.wrapper.consul.model.catalog.CatalogService} objects.
*/
public ConsulResponse<List<CatalogService>> getService(String service) {
return getService(service, null, QueryOptions.BLANK);
}
/**
* Retrieves a single service for a given datacenter.
*
* GET /v1/catalog/service/{service}?dc={datacenter}
*
* @param catalogOptions Catalog specific options to use.
* @return A {@link org.openo.msb.wrapper.consul.model.ConsulResponse} containing
* {@link org.openo.msb.wrapper.consul.model.catalog.CatalogService} objects.
*/
public ConsulResponse<List<CatalogService>> getService(String service, CatalogOptions catalogOptions) {
return getService(service, catalogOptions, QueryOptions.BLANK);
}
/**
* Retrieves a single service with {@link org.openo.msb.wrapper.consul.option.QueryOptions}.
*
* GET /v1/catalog/service/{service}
*
* @param queryOptions The Query Options to use.
* @return A {@link org.openo.msb.wrapper.consul.model.ConsulResponse} containing
* {@link org.openo.msb.wrapper.consul.model.catalog.CatalogService} objects.
*/
public ConsulResponse<List<CatalogService>> getService(String service, QueryOptions queryOptions) {
return getService(service, null, queryOptions);
}
public void getService(String service, QueryOptions queryOptions, ConsulResponseCallback<List<CatalogService>> callback) {
response(webTarget.path("service").path(service), CatalogOptions.BLANK,
queryOptions, TYPE_CATALOG_SERVICE_LIST, callback);
}
/**
* Retrieves a single service for a given datacenter with {@link org.openo.msb.wrapper.consul.option.QueryOptions}.
*
* GET /v1/catalog/service/{service}?dc={datacenter}
*
* @param catalogOptions Catalog specific options to use.
* @param queryOptions The Query Options to use.
* @return A {@link org.openo.msb.wrapper.consul.model.ConsulResponse} containing
* {@link org.openo.msb.wrapper.consul.model.catalog.CatalogService} objects.
*/
public ConsulResponse<List<CatalogService>> getService(String service, CatalogOptions catalogOptions,
QueryOptions queryOptions) {
return response(webTarget.path("service").path(service), catalogOptions, queryOptions,
TYPE_CATALOG_SERVICE_LIST);
}
/**
* Retrieves a single node.
*
* GET /v1/catalog/node/{node}
*
* @return A list of matching {@link org.openo.msb.wrapper.consul.model.catalog.CatalogService} objects.
*/
public ConsulResponse<CatalogNode> getNode(String node) {
return getNode(node, null, QueryOptions.BLANK);
}
/**
* Retrieves a single node for a given datacenter.
*
* GET /v1/catalog/node/{node}?dc={datacenter}
*
* @param catalogOptions Catalog specific options to use.
* @return A list of matching {@link org.openo.msb.wrapper.consul.model.catalog.CatalogService} objects.
*/
public ConsulResponse<CatalogNode> getNode(String node, CatalogOptions catalogOptions) {
return getNode(node, catalogOptions, QueryOptions.BLANK);
}
/**
* Retrieves a single node with {@link org.openo.msb.wrapper.consul.option.QueryOptions}.
*
* GET /v1/catalog/node/{node}
*
* @param queryOptions The Query Options to use.
* @return A list of matching {@link org.openo.msb.wrapper.consul.model.catalog.CatalogService} objects.
*/
public ConsulResponse<CatalogNode> getNode(String node, QueryOptions queryOptions) {
return getNode(node, null, queryOptions);
}
/**
* Retrieves a single node for a given datacenter with {@link org.openo.msb.wrapper.consul.option.QueryOptions}.
*
* GET /v1/catalog/node/{node}?dc={datacenter}
*
* @param catalogOptions Catalog specific options to use.
* @param queryOptions The Query Options to use.
* @return A list of matching {@link org.openo.msb.wrapper.consul.model.catalog.CatalogService} objects.
*/
public ConsulResponse<CatalogNode> getNode(String node, CatalogOptions catalogOptions, QueryOptions queryOptions) {
return response(webTarget.path("node").path(node), catalogOptions, queryOptions,
TYPE_CATALOG_NODE);
}
}
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