Java tutorial
/** * Copyright (c) 2016 Intel Corporation * * 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.trustedanalytics.examples.hbase.api; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.http.HttpStatus; import org.springframework.stereotype.Controller; import org.springframework.web.bind.annotation.PathVariable; import org.springframework.web.bind.annotation.RequestBody; import org.springframework.web.bind.annotation.RequestMapping; import org.springframework.web.bind.annotation.RequestMethod; import org.springframework.web.bind.annotation.ResponseBody; import org.springframework.web.bind.annotation.ResponseStatus; import org.trustedanalytics.examples.hbase.model.RowValue; import org.trustedanalytics.examples.hbase.model.TableDescription; import org.trustedanalytics.examples.hbase.services.HBaseService; import javax.security.auth.login.LoginException; import java.io.IOException; import java.util.List; @Controller @RequestMapping(value = "/api") public class ApiController { private static final Logger LOG = LoggerFactory.getLogger(ApiController.class); @Autowired HBaseService hbaseService; @RequestMapping(method = RequestMethod.GET, value = "/tables") @ResponseBody public List<TableDescription> listTables() throws IOException, LoginException { LOG.info("listTables invoked."); return hbaseService.listTables(); } @RequestMapping(method = RequestMethod.GET, value = "/tables/{name}") @ResponseBody public TableDescription getSingleTable(@PathVariable(value = "name") String name) throws IOException, LoginException { LOG.info("getSingleTable for {}.", name); return hbaseService.getTableInfo(name); } @RequestMapping(method = RequestMethod.GET, value = "/tables/{name}/tail") @ResponseBody public List<RowValue> tail(@PathVariable(value = "name") String name) throws IOException, LoginException { LOG.info("tail for {}.", name); return hbaseService.head(name, true); } @RequestMapping(method = RequestMethod.GET, value = "/tables/{name}/head") @ResponseBody public List<RowValue> head(@PathVariable(value = "name") String name) throws IOException, LoginException { LOG.info("head for {}.", name); return hbaseService.head(name, false); } @RequestMapping(method = RequestMethod.POST, value = "/tables", consumes = "application/json") @ResponseStatus(HttpStatus.CREATED) public void createTable(@RequestBody TableDescription tableDescription) throws LoginException, IOException { LOG.info("tail for {}.", tableDescription.toString()); hbaseService.createTable(tableDescription); } @RequestMapping(method = RequestMethod.POST, value = "/tables/{name}/row", consumes = "application/json") @ResponseStatus(HttpStatus.CREATED) public void putRow(@PathVariable(value = "name") String name, @RequestBody RowValue rowValue) throws IOException, LoginException { LOG.info("put for {}, {}.", name, rowValue); hbaseService.putRow(name, rowValue); } @RequestMapping(method = RequestMethod.GET, value = "/tables/{name}/row/{rowKey}") @ResponseBody public RowValue getRow(@PathVariable(value = "name") String name, @PathVariable(value = "rowKey") String rowKey) throws IOException, LoginException { LOG.info("get for {}, {}.", name, rowKey); return hbaseService.getRow(name, rowKey); } }