SCB-457 demostrate how to run spring boot/non spring boot application with gradle

.gitignore

@@ -80,3 +80,6 @@ __pycache__/
 
 # Mac
 .DS_Store
+
+# gradle
+.gradle

samples/bmi/README.md

@@ -7,6 +7,7 @@ There are two microservices in this demo.
 ## Prerequisite
 1. [Oracle JDK 1.8+](https://docs.oracle.com/javase/8/docs/technotes/guides/install/install_overview.html)
 2. [Maven 3.x](https://maven.apache.org/install.html)
+3. [Gradle 4.x](https://gradle.org/install/)(Optional)
 
 ## Quick Start(Linux)
 1. Run the service center
@@ -19,12 +20,26 @@ git clone https://github.com/apache/incubator-servicecomb-java-chassis.git
 cd incubator-servicecomb-java-chassis/samples
 ```
 3. Run microservices
-* Run the **BMI calculator service**
-```bash
-(cd bmi/calculator; mvn spring-boot:run)
-```
-* Run the **webapp service**
-```bash
-(cd bmi/webapp; mvn spring-boot:run)
-```
+* via maven
+   * Run the **BMI calculator service**
+      ```bash
+      (cd bmi/calculator; mvn spring-boot:run)
+      ```
+   * Run the **webapp service**
+      ```bash
+      (cd bmi/webapp; mvn spring-boot:run)
+      ```
+* via gradle
+   * Install ServiceComb Java Chassis
+      ```bash
+      mvn clean install -DskipTests
+      ```
+   * Run the **BMI calculator service**
+      ```bash
+      (cd bmi/calculator; gradle bootRun)
+      ```
+   * Run the **webapp service**
+      ```bash
+      (cd bmi/webapp; gradle bootRun)
+      ```
 4. Visit the services via **<a>http://127.0.0.1:8889</a>**.

samples/bmi/build.gradle

@@ -0,0 +1,54 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You 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.
+ */
+
+allprojects  {
+    apply plugin: 'maven'
+
+    group = 'org.apache.servicecomb.samples'
+    version = '1.0.0-m2-SNAPSHOT'
+}
+
+buildscript {
+    dependencies {
+        classpath("org.springframework.boot:spring-boot-gradle-plugin:1.4.5.RELEASE")
+    }
+    repositories {
+        mavenLocal()
+        mavenCentral()
+    }
+}
+
+subprojects {
+    apply plugin: 'java'
+    apply plugin: 'org.springframework.boot'
+
+    sourceCompatibility = 1.8
+    targetCompatibility = 1.8
+
+    tasks.withType(JavaCompile) {
+        options.encoding = 'UTF-8'
+    }
+
+    repositories {
+        mavenLocal()
+        mavenCentral()
+    }
+
+    dependencies {
+        compile group: 'org.hibernate', name: 'hibernate-validator', version:'5.2.4.Final'
+    }
+}

samples/bmi/calculator/build.gradle

@@ -0,0 +1,49 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You 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.
+ */
+
+description = 'Java Chassis::Samples::BMI::Calculator'
+
+dependencies {
+    compile(group: 'org.springframework.boot', name: 'spring-boot-starter') {
+        exclude(module: 'commons-logging')
+    }
+    compile group: 'org.apache.servicecomb', name: 'spring-boot-starter-provider'
+    compile group: 'org.apache.servicecomb', name: 'handler-flowcontrol-qps'
+    compile group: 'org.apache.servicecomb', name: 'handler-bizkeeper'
+    compile group: 'org.apache.servicecomb', name: 'handler-tracing-zipkin'
+}
+
+// dependency-management-plugin is a replacement of dependencyManagement in maven
+// we need to enable the plugin and specify the dependencyManagement in the following form in each submodule
+// according to the official document: https://github.com/spring-gradle-plugins/dependency-management-plugin.
+buildscript {
+    dependencies {
+        classpath('io.spring.gradle:dependency-management-plugin:1.0.4.RELEASE')
+    }
+    repositories {
+        mavenLocal()
+        mavenCentral()
+    }
+}
+
+apply plugin: 'io.spring.dependency-management'
+
+dependencyManagement {
+    imports {
+        mavenBom 'org.apache.servicecomb:java-chassis-dependencies:1.0.0-m2-SNAPSHOT'
+    }
+}

samples/bmi/settings.gradle

@@ -0,0 +1,23 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You 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.
+ */
+
+rootProject.name = 'bmi'
+include ':bmi-calculator'
+include ':webapp'
+
+project(':bmi-calculator').projectDir = "$rootDir/calculator" as File
+project(':webapp').projectDir = "$rootDir/webapp" as File

samples/bmi/webapp/build.gradle

@@ -0,0 +1,49 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You 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.
+ */
+
+description = 'Java Chassis::Samples::BMI::Webapp'
+
+dependencies {
+    compile(group: 'org.springframework.boot', name: 'spring-boot-starter') {
+        exclude(module: 'commons-logging')
+    }
+    compile group: 'org.apache.servicecomb', name: 'spring-boot-starter-servicecomb'
+    compile group: 'org.apache.servicecomb', name: 'spring-boot-starter-discovery'
+    compile group: 'org.apache.servicecomb', name: 'spring-cloud-zuul'
+    compile group: 'org.apache.servicecomb', name: 'spring-cloud-zuul-zipkin'
+}
+
+// dependency-management-plugin is a replacement of dependencyManagement in maven
+// we need to enable the plugin and specify the dependencyManagement in the following form in each submodule
+// according to the official document: https://github.com/spring-gradle-plugins/dependency-management-plugin.
+buildscript {
+    dependencies {
+        classpath('io.spring.gradle:dependency-management-plugin:1.0.4.RELEASE')
+    }
+    repositories {
+        mavenLocal()
+        mavenCentral()
+    }
+}
+
+apply plugin: 'io.spring.dependency-management'
+
+dependencyManagement {
+    imports {
+        mavenBom 'org.apache.servicecomb:java-chassis-dependencies:1.0.0-m2-SNAPSHOT'
+    }
+}

samples/codefirst-sample/README.md

@@ -24,30 +24,52 @@ For detail information please refer to [Doc](http://servicecomb.incubator.apache
 
 2. Start the codefirst-provider service
 
-   - Start provider service by maven
+   - Start provider service via maven
 
-     Compile the source code at root directory of ServiceComb Java Chassis, which is `incubator-servicecomb-java-chassis/`, and use `mvn exec` to execute the main class `CodeFirstProviderMain`.
+      Compile the source code at root directory of ServiceComb Java Chassis, which is `incubator-servicecomb-java-chassis/`, and use `mvn exec` to execute the main class `CodeFirstProviderMain`.
 
-     ```bash
-     cd incubator-servicecomb-java-chassis/
-     mvn clean install -Psamples -DskipTests			#only need to install at first time.
-     cd samples/codefirst-sample/codefirst-provider/
-     mvn exec:java -Dexec.mainClass="org.apache.servicecomb.samples.codefirst.provider.CodeFirstProviderMain"
-     ```
+      ```bash
+      cd incubator-servicecomb-java-chassis/
+      mvn clean install -Psamples -DskipTests			#only need to install at first time.
+      cd samples/codefirst-sample/codefirst-provider/
+      mvn exec:java -Dexec.mainClass="org.apache.servicecomb.samples.codefirst.provider.CodeFirstProviderMain"
+      ```
 
-   - Start provider service by IDE
+   - Start provider service via gradle
 
-     Import the project by InteliJ IDEA or Eclipse, add sample module to pom.xml file in root module `incubator-servicecomb-java-chassis/pom.xml`, and add `<module>samples</module>` to `<modules></modules>` block, Then find `main` function `CodeFirstProviderMain` of provider service and `RUN` it like any other Java program.
+      Compile the source code at root directory of ServiceComb Java Chassis, which is `incubator-servicecomb-java-chassis/`, and use `mvn exec` to execute the main class `CodeFirstProviderMain`.
 
-3. Start the codefirst-consumer service
+      ```bash
+      cd incubator-servicecomb-java-chassis/
+      mvn clean install -Psamples -DskipTests			#only need to install at first time.
+      cd samples/codefirst-sample/codefirst-provider/
+      gradle clean run
+      ```
+
+   - Start provider service via IDE
 
-   Just like how to start codefirst-provider service. But the main class of codefirst-consumer service is `CodeFirstConsumerMain`. 
+      Import the project by InteliJ IDEA or Eclipse, add sample module to pom.xml file in root module `incubator-servicecomb-java-chassis/pom.xml`, and add `<module>samples</module>` to `<modules></modules>` block, Then find `main` function `CodeFirstProviderMain` of provider service and `RUN` it like any other Java program.
+
+3. Start the codefirst-consumer service
 
    ```bash
    cd samples/codefirst-sample/codefirst-consumer/
-   mvn exec:java -Dexec.mainClass="org.apache.servicecomb.samples.codefirst.consumer.CodeFirstConsumerMain"
    ```
 
+   - Start consumer service via maven
+
+      Just like how to start codefirst-provider service. But the main class of codefirst-consumer service is `CodeFirstConsumerMain`.
+
+      ```bash
+      mvn exec:java -Dexec.mainClass="org.apache.servicecomb.samples.codefirst.consumer.CodeFirstConsumerMain"
+      ```
+
+   - Start consumer service via gradle
+
+      ```bash
+      gradle clean run
+      ```
+
 4. How to verify
    On the producer side, the output should contain the following stuffs if the producer starts up successfully:
    1. *'swagger: 2.0 info: version: 1.0.0 ...'* means the producer generated swagger contracts

samples/codefirst-sample/build.gradle

@@ -0,0 +1,39 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You 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.
+ */
+
+allprojects  {
+    apply plugin: 'maven'
+
+    group = 'org.apache.servicecomb.samples'
+    version = '1.0.0-m2-SNAPSHOT'
+}
+
+subprojects {
+    apply plugin: 'java'
+
+    sourceCompatibility = 1.8
+    targetCompatibility = 1.8
+
+    tasks.withType(JavaCompile) {
+        options.encoding = 'UTF-8'
+    }
+
+    repositories {
+        mavenLocal()
+        mavenCentral()
+    }
+}

samples/codefirst-sample/codefirst-consumer/build.gradle

@@ -0,0 +1,51 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You 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.
+ */
+
+description = 'Java Chassis::Samples::CodeFirst::Consumer'
+
+dependencies {
+    compile group: 'org.apache.servicecomb', name: 'provider-pojo'
+    compile group: 'org.apache.servicecomb', name: 'transport-highway'
+    compile group: 'org.apache.servicecomb', name: 'transport-rest-vertx'
+    compile group: 'org.apache.servicecomb.samples', name: 'common-schema', version: '1.0.0-m2-SNAPSHOT'
+    compile group: 'org.slf4j', name: 'slf4j-log4j12'
+}
+
+apply plugin: 'application'
+
+mainClassName = 'org.apache.servicecomb.samples.codefirst.consumer.CodeFirstConsumerMain'
+
+// dependency-management-plugin is a replacement of dependencyManagement in maven
+// we need to enable the plugin and specify the dependencyManagement in the following form in each submodule
+// according to the official document: https://github.com/spring-gradle-plugins/dependency-management-plugin.
+buildscript {
+    repositories {
+        mavenLocal()
+        mavenCentral()
+    }
+    dependencies {
+        classpath('io.spring.gradle:dependency-management-plugin:1.0.4.RELEASE')
+    }
+}
+
+apply plugin: 'io.spring.dependency-management'
+
+dependencyManagement {
+    imports {
+        mavenBom 'org.apache.servicecomb:java-chassis-dependencies:1.0.0-m2-SNAPSHOT'
+    }
+}