added restclient to tools

tools/pom.xml

@@ -35,6 +35,30 @@
         <main.dir>${basedir}/..</main.dir>
     </properties>
 
+    <dependencies>
+        <dependency>
+            <groupId>org.thingsboard.common</groupId>
+            <artifactId>data</artifactId>
+            <version>${project.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-web</artifactId>
+            <version>${spring-boot.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>org.eclipse.paho</groupId>
+            <artifactId>org.eclipse.paho.client.mqttv3</artifactId>
+            <version>${paho.client.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>org.projectlombok</groupId>
+            <artifactId>lombok</artifactId>
+            <version>${lombok.version}</version>
+            <scope>provided</scope>
+        </dependency>
+    </dependencies>
+
     <build>
         <plugins>
             <plugin>

tools/src/main/java/org/thingsboard/client/tools/RestClient.java

@@ -0,0 +1,76 @@
+/**
+ * Copyright © 2016-2017 The Thingsboard Authors
+ *
+ * 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.thingsboard.client.tools;
+
+import com.fasterxml.jackson.databind.JsonNode;
+import lombok.RequiredArgsConstructor;
+import org.springframework.http.HttpRequest;
+import org.springframework.http.ResponseEntity;
+import org.springframework.http.client.ClientHttpRequestExecution;
+import org.springframework.http.client.ClientHttpRequestInterceptor;
+import org.springframework.http.client.ClientHttpResponse;
+import org.springframework.http.client.support.HttpRequestWrapper;
+import org.springframework.web.client.RestTemplate;
+import org.thingsboard.server.common.data.Device;
+import org.thingsboard.server.common.data.id.DeviceId;
+import org.thingsboard.server.common.data.security.DeviceCredentials;
+
+import java.io.IOException;
+import java.util.Collections;
+import java.util.HashMap;
+import java.util.Map;
+
+/**
+ * @author Andrew Shvayka
+ */
+@RequiredArgsConstructor
+public class RestClient implements ClientHttpRequestInterceptor {
+    private static final String JWT_TOKEN_HEADER_PARAM = "X-Authorization";
+    private final RestTemplate restTemplate = new RestTemplate();
+    private String token;
+    private final String baseURL;
+
+    public void login(String username, String password) {
+        Map<String, String> loginRequest = new HashMap<>();
+        loginRequest.put("username", username);
+        loginRequest.put("password", password);
+        ResponseEntity<JsonNode> tokenInfo = restTemplate.postForEntity(baseURL + "/api/auth/login", loginRequest, JsonNode.class);
+        this.token = tokenInfo.getBody().get("token").asText();
+        restTemplate.setInterceptors(Collections.singletonList(this));
+    }
+
+    public Device createDevice(String name) {
+        Device device = new Device();
+        device.setName(name);
+        return restTemplate.postForEntity(baseURL + "/api/device", device, Device.class).getBody();
+    }
+
+    public DeviceCredentials getCredentials(DeviceId id) {
+        return restTemplate.getForEntity(baseURL + "/api/device/" + id.getId().toString() + "/credentials", DeviceCredentials.class).getBody();
+    }
+
+    public RestTemplate getRestTemplate() {
+        return restTemplate;
+    }
+
+    @Override
+    public ClientHttpResponse intercept(HttpRequest request, byte[] bytes, ClientHttpRequestExecution execution) throws IOException {
+        HttpRequest wrapper = new HttpRequestWrapper(request);
+        wrapper.getHeaders().set(JWT_TOKEN_HEADER_PARAM, "Bearer " + token);
+        return execution.execute(wrapper, bytes);
+    }
+
+}