Merge pull request #1 from marcellodesales/feature/spring-config-clie…

…nt-and-spring-framework-integration-no-springboot

Feature/spring config client and spring framework integration no springboot

.gitignore

@@ -1,3 +1,6 @@
+.classpath
+.project
+.settings
 target/
 pom.xml.tag
 pom.xml.releaseBackup

pom.xml

@@ -9,7 +9,7 @@
 	<url>http://maven.apache.org</url>
 	<properties>
 		<jdk.version>1.7</jdk.version>
-		<spring.version>4.1.1.RELEASE</spring.version>
+		<spring.version>4.2.9.RELEASE</spring.version>
 		<jstl.version>1.2</jstl.version>
 		<junit.version>4.11</junit.version>
 		<logback.version>1.0.13</logback.version>
@@ -37,6 +37,12 @@
 			</exclusions>
 		</dependency>
 
+		<dependency>
+			<groupId>org.springframework.cloud</groupId>
+			<artifactId>spring-cloud-config-client</artifactId>
+			<version>1.2.0.RELEASE</version>
+		</dependency>
+
 		<dependency>
 			<groupId>org.slf4j</groupId>
 			<artifactId>jcl-over-slf4j</artifactId>
@@ -75,6 +81,14 @@
 			<scope>provided</scope>
 		</dependency>
 
+               <!--dependency>
+                        <groupId>org.springframework.boot</groupId>
+                        <artifactId>spring-boot-configuration-processor</artifactId>
+                        <version>1.4.5.RELEASE</version>
+                        <optional>true</optional>
+                </dependency
+               -->
+
 	</dependencies>
 	<build>
 		<finalName>HelloWorld</finalName>
@@ -114,6 +128,12 @@
 				</configuration>
 			</plugin>
 
+			<plugin>
+				 <groupId>org.eclipse.jetty</groupId>
+				 <artifactId>jetty-maven-plugin</artifactId>
+				 <version>9.4.3.v20170317</version>
+			</plugin>
+
 		</plugins>
 	</build>
 </project>

src/main/java/com/zenika/controller/BaseController.java

@@ -1,6 +1,8 @@
 package com.zenika.controller;
 
 import org.slf4j.LoggerFactory;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.core.env.Environment;
 import org.springframework.stereotype.Controller;
 import org.springframework.ui.ModelMap;
 import org.springframework.web.bind.annotation.PathVariable;
@@ -9,31 +11,40 @@
 
 @Controller
 public class BaseController {
-
-	private static int counter = 0;
-	private static final String VIEW_INDEX = "index";
-	private final static org.slf4j.Logger logger = LoggerFactory.getLogger(BaseController.class);
-
-	@RequestMapping(value = "/", method = RequestMethod.GET)
-	public String welcome(ModelMap model) {
-
-		model.addAttribute("message", "Welcome");
-		model.addAttribute("counter", ++counter);
-		logger.debug("[welcome] counter : {}", counter);
-
-		// Spring uses InternalResourceViewResolver and return back index.jsp
-		return VIEW_INDEX;
-
-	}
-
-	@RequestMapping(value = "/{name}", method = RequestMethod.GET)
-	public String welcomeName(@PathVariable String name, ModelMap model) {
-
-		model.addAttribute("message", "Welcome " + name);
-		model.addAttribute("counter", ++counter);
-		logger.debug("[welcomeName] counter : {}", counter);
-		return VIEW_INDEX;
-
-	}
-
+
+  private static int counter = 0;
+  private static final String VIEW_INDEX = "index";
+  private final static org.slf4j.Logger logger = LoggerFactory.getLogger(BaseController.class);
+
+  @Autowired
+  private GithubProperties properties;
+
+  @Autowired
+  private MyPropeties myProperties;
+
+  @Autowired
+  Environment env;
+
+  @RequestMapping(value = "/", method = RequestMethod.GET)
+  public String welcome(ModelMap model) {
+
+    model.addAttribute("message", "Welcome github prop=" + properties.getCloneBaseDir() + " envProp=" + env.getProperty("github.cloneBaseDir") + " AND MORE MORE MORE beanProp=" + myProperties.getToken());
+    model.addAttribute("counter", ++counter);
+    logger.debug("[welcome] counter : {}", counter);
+
+    // Spring uses InternalResourceViewResolver and return back index.jsp
+    return VIEW_INDEX;
+
+  }
+
+  @RequestMapping(value = "/{name}", method = RequestMethod.GET)
+  public String welcomeName(@PathVariable String name, ModelMap model) {
+
+    model.addAttribute("message", "Welcome " + name);
+    model.addAttribute("counter", ++counter);
+    logger.debug("[welcomeName] counter : {}", counter);
+    return VIEW_INDEX;
+
+  }
+
 }

src/main/java/com/zenika/controller/GithubProperties.java

@@ -0,0 +1,39 @@
+package com.zenika.controller;
+
+import javax.annotation.PostConstruct;
+
+import org.springframework.boot.context.properties.ConfigurationProperties;
+
+@ConfigurationProperties(prefix = "github")
+public class GithubProperties {
+
+  /**
+   * Oauth token used for authenticating with GitHub
+   */
+  private String token;
+  /**
+   * Root dir path to clone the repos
+   */
+  private String cloneBaseDir;
+
+  public String getToken() {
+    return token;
+  }
+
+  public void setToken(String token) {
+    this.token = token;
+  }
+
+  public String getCloneBaseDir() {
+    return cloneBaseDir;
+  }
+
+  public void setCloneBaseDir(String cloneDir) {
+    this.cloneBaseDir = cloneDir;
+  }
+
+  @PostConstruct
+  public void loadedProperties() {
+    System.out.println("Github Properties are " + token + " with " + cloneBaseDir);
+  }
+}

src/main/java/com/zenika/controller/MyPropeties.java

@@ -0,0 +1,42 @@
+package com.zenika.controller;
+
+import javax.annotation.PostConstruct;
+
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.stereotype.Component;
+
+@Component
+public class MyPropeties {
+
+  /**
+   * Oauth token used for authenticating with GitHub
+   */
+  @Value("${github.token}")
+  private String token;
+  /**
+   * Root dir path to clone the repos
+   */
+  @Value("${github.cloneBaseDir}")
+  private String cloneBaseDir;
+
+  public String getToken() {
+    return token;
+  }
+
+  public void setToken(String token) {
+    this.token = token;
+  }
+
+  public String getCloneBaseDir() {
+    return cloneBaseDir;
+  }
+
+  public void setCloneBaseDir(String cloneDir) {
+    this.cloneBaseDir = cloneDir;
+  }
+
+  @PostConstruct
+  public void loadedProperties() {
+    System.out.println("My Properties are: " + token + " with " + cloneBaseDir);
+  }
+}

src/main/java/com/zenika/controller/config/CloudEnvironment.java

@@ -0,0 +1,41 @@
+package com.zenika.controller.config;
+
+import org.springframework.cloud.config.client.ConfigClientProperties;
+import org.springframework.cloud.config.client.ConfigServicePropertySourceLocator;
+import org.springframework.core.env.Environment;
+import org.springframework.core.env.MutablePropertySources;
+import org.springframework.core.env.PropertySource;
+import org.springframework.web.context.support.StandardServletEnvironment;
+
+public class CloudEnvironment extends StandardServletEnvironment {
+
+  @Override
+  protected void customizePropertySources(MutablePropertySources propertySources) {
+    super.customizePropertySources(propertySources);
+    try {
+      PropertySource<?> source = initConfigServicePropertySourceLocator(this);
+      propertySources.addLast(source);
+
+    } catch (
+
+    Exception ex) {
+      logger.warn("failed to initialize cloud config environment", ex);
+    }
+  }
+
+  private PropertySource<?> initConfigServicePropertySourceLocator(Environment environment) {
+
+    ConfigClientProperties configClientProperties = new ConfigClientProperties(environment);
+    configClientProperties.setUri("http://localhost:8888");
+    configClientProperties.setName("publisher");
+    configClientProperties.setLabel("master");
+
+    System.out.println("##################### will load the client configuration");
+    System.out.println(configClientProperties);
+
+    ConfigServicePropertySourceLocator configServicePropertySourceLocator =
+        new ConfigServicePropertySourceLocator(configClientProperties);
+
+    return configServicePropertySourceLocator.locate(environment);
+  }
+}

src/main/java/com/zenika/controller/config/PropertiesConfigurer.java

@@ -0,0 +1,18 @@
+package com.zenika.controller.config;
+
+import org.springframework.boot.context.properties.EnableConfigurationProperties;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.context.support.PropertySourcesPlaceholderConfigurer;
+
+import com.zenika.controller.GithubProperties;
+
+@Configuration
+@EnableConfigurationProperties({GithubProperties.class})
+public class PropertiesConfigurer {
+
+  @Bean
+  public static PropertySourcesPlaceholderConfigurer propertySourcesPlaceholderConfigurer() {
+    return new PropertySourcesPlaceholderConfigurer();
+  }
+}

src/main/java/com/zenika/controller/config/SpringCloudConfigContext.java

@@ -0,0 +1,12 @@
+package com.zenika.controller.config;
+
+import org.springframework.core.env.ConfigurableEnvironment;
+import org.springframework.web.context.support.XmlWebApplicationContext;
+
+public class SpringCloudConfigContext extends XmlWebApplicationContext {
+  @Override
+  protected ConfigurableEnvironment createEnvironment() {
+    System.out.println("##################### loaded my comfigurable context");
+    return new CloudEnvironment();
+  }
+}

src/main/resources/logback.xml

@@ -15,6 +15,11 @@
 		additivity="false">
 		<appender-ref ref="STDOUT" />
 	</logger>
+
+  <logger name="org.springframework.cloud.config.client" level="debug"
+    additivity="false">
+    <appender-ref ref="STDOUT" />
+  </logger>
 
 	<root level="error">
 		<appender-ref ref="STDOUT" />

src/main/webapp/WEB-INF/web.xml

@@ -18,15 +18,21 @@
 		<servlet-name>mvc-dispatcher</servlet-name>
 		<url-pattern>/</url-pattern>
 	</servlet-mapping>
+
+	 <listener>
+   <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
+  </listener>
+
+  <context-param>          
+    <param-name>contextClass</param-name>          
+    <param-value>com.zenika.controller.config.SpringCloudConfigContext</param-value>     
+  </context-param>
+
+
 
 	<context-param>
 		<param-name>contextConfigLocation</param-name>
 		<param-value>/WEB-INF/mvc-dispatcher-servlet.xml</param-value>
 	</context-param>
-
-	<listener>
-		<listener-class>
-                   org.springframework.web.context.ContextLoaderListener
-                </listener-class>
-	</listener>
+
 </web-app>