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BAEL-1240 An introduction to Spring AOP (#2733) 

* BAL-36 File size api in java and apache commons IO

* BAEL-282 grep in java - fixes after code review

* BAEL-519 Added support for disruptor library

* BAEL-519 Added support for disruptor library

* BAEL-519 Added support for disruptor library

* BAEL-519 Added support for disruptor library

* BAEL-519 Added support for disruptor library

* BAEL-519 Added support for disruptor library

* BAEL-519 Added support for disruptor

* BAEL-519 Moved all supporting classes to main source

* BAEL-519 Moved all supporting classes to main source

* BAEL-519 Moved asserts and test classes in test folder.

* BAEL-519 moved test related producer and consumer to src.

* BAEL-586 Guide to Guava BiMap.

* BAEL-587 formatted code.

* BAEL-519 LMAX Disruptor

* BAEL-587 resolved merge

* BAEL-587 Resolved merge

* BAEL-519 Removed disruptor link.

* BAEL-519 Reverted Guava changes

* RFQ-587 Added disruptor as a separate module.

* BAEL-519 Disruptor changes.

* BAEL-519 Removed disruptor from core-java module.

* BAEL-729 Expose additional information programmatically in /info
endpoint of actuator.

* BAEL-1240 Introduction to Spring AOP

* BAEL-1240 - Spring AOP using configuration in XML.
This commit is contained in:
Muhammed Almas 2017-10-15 23:53:20 +05:30 committed by Grzegorz Piwowarek
parent eece3d02ba
commit 4aaaf4cea5
17 changed files with 408 additions and 0 deletions
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13
spring-aop/src/main/java/org/baeldung/logger/AdderAfterAspect.java Normal file
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package org.baeldung.logger;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class AdderAfterAspect {
private final Logger logger = LoggerFactory.getLogger(this.getClass());
public void afterAdvice() throws Throwable {
logger.info("I'm done calling the method");
}
}

13
spring-aop/src/main/java/org/baeldung/logger/AdderAfterReturnAspect.java Normal file
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package org.baeldung.logger;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class AdderAfterReturnAspect {
private final Logger logger = LoggerFactory.getLogger(this.getClass());
public void afterReturn(final Object returnValue) throws Throwable {
logger.info("value return was {}", returnValue);
}
}

13
spring-aop/src/main/java/org/baeldung/logger/AdderAfterThrowAspect.java Normal file
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package org.baeldung.logger;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class AdderAfterThrowAspect {
private final Logger logger = LoggerFactory.getLogger(this.getClass());
public void afterThrow(final Exception exception) throws Throwable {
logger.info("Exception thrown was {}", exception.getMessage());
}
}

18
spring-aop/src/main/java/org/baeldung/logger/AdderAroundAspect.java Normal file
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package org.baeldung.logger;
import java.util.Arrays;
import org.aspectj.lang.ProceedingJoinPoint;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class AdderAroundAspect {
private final Logger logger = LoggerFactory.getLogger(this.getClass());
public Object aroundAdvice(final ProceedingJoinPoint joinPoint) throws Throwable {
logger.info("Arguments passed to method are: " + Arrays.toString(joinPoint.getArgs()));
final Object result = joinPoint.proceed();
logger.info("Result from method is: " + result);
return result;
}
}

13
spring-aop/src/main/java/org/baeldung/logger/AdderBeforeAspect.java Normal file
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package org.baeldung.logger;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class AdderBeforeAspect {
private final Logger logger = LoggerFactory.getLogger(this.getClass());
public void beforeAdvice() throws Throwable {
logger.info("I would be executed just before method starts");
}
}

12
spring-aop/src/main/java/org/baeldung/logger/SampleAdder.java Normal file
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package org.baeldung.logger;
public class SampleAdder {
public int add(int a, int b) {
if (a < 0 || b < 0) {
throw new IllegalArgumentException("Make sure all the arguments are greater than zero.");
}
return a + b;
}
}

54
spring-aop/src/main/resources/org.baeldung.logger/springAop-applicationContext.xml Normal file
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<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:p="http://www.springframework.org/schema/p"
xmlns:aop="http://www.springframework.org/schema/aop" xmlns:context="http://www.springframework.org/schema/context"
xmlns:jee="http://www.springframework.org/schema/jee" xmlns:tx="http://www.springframework.org/schema/tx"
xmlns:task="http://www.springframework.org/schema/task"
xsi:schemaLocation="http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-3.2.xsd http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.2.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-3.2.xsd http://www.springframework.org/schema/jee http://www.springframework.org/schema/jee/spring-jee-3.2.xsd http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-3.2.xsd http://www.springframework.org/schema/task http://www.springframework.org/schema/task/spring-task-3.2.xsd">
<bean id="sampleAdder"
class="org.baeldung.logger.SampleAdder" />
<bean id="doBeforeAspect" class="org.baeldung.logger.AdderBeforeAspect" />
<bean id="doAfterAspect" class="org.baeldung.logger.AdderAfterAspect" />
<bean id="doAfterThrowingAspect" class="org.baeldung.logger.AdderAfterThrowAspect" />
<bean id="doAfterReturningAspect" class="org.baeldung.logger.AdderAfterReturnAspect" />
<bean id="doAroundAspect" class="org.baeldung.logger.AdderAroundAspect" />
<aop:config>
<aop:aspect id="aspects" ref="doBeforeAspect">
<aop:pointcut id="pointCutBefore"
expression="execution(* org.baeldung.logger.SampleAdder+.*(..))" />
<aop:before method="beforeAdvice" pointcut-ref="pointCutBefore" />
</aop:aspect>
<aop:aspect id="aspects" ref="doAfterAspect">
<aop:pointcut id="pointCutAfter"
expression="execution(* org.baeldung.logger.SampleAdder+.*(..))" />
<aop:after method="afterAdvice" pointcut-ref="pointCutAfter" />
</aop:aspect>
<aop:aspect id="aspects" ref="doAfterReturningAspect">
<aop:pointcut id="pointCutAfterReturning"
expression="execution(* org.baeldung.logger.SampleAdder+.*(..))" />
<aop:after-returning method="afterReturn"
returning="returnValue" pointcut-ref="pointCutAfterReturning" />
</aop:aspect>
<aop:aspect id="aspects" ref="doAfterThrowingAspect">
<aop:pointcut id="pointCutAfterThrowing"
expression="execution(* org.baeldung.logger.SampleAdder+.*(..))" />
<aop:after-throwing method="afterThrow"
throwing="error" pointcut-ref="pointCutAfterThrowing" />
</aop:aspect>
<aop:aspect id="aspects" ref="doAroundAspect">
<aop:pointcut id="pointCutAround"
expression="execution(* org.baeldung.logger.SampleAdder+.*(..))" />
<aop:around method="aroundAdvice" pointcut-ref="pointCutAround" />
</aop:aspect>
</aop:config>
</beans>

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spring-aop/src/test/java/org/baeldung/logger/CalculatorTest.java Normal file
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package org.baeldung.logger;
import static org.junit.Assert.assertEquals;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.test.context.ContextConfiguration;
import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
@RunWith(SpringJUnit4ClassRunner.class)
@ContextConfiguration(value = {"classpath:springAop-applicationContext.xml"})
public class CalculatorTest {
@Autowired
private SampleAdder sampleAdder;
@Test
public void whenAddValidValues_returnsSucessfully() {
final int addedValue = sampleAdder.add(12, 12);
assertEquals(24, addedValue);
}
@Test (expected = IllegalArgumentException.class)
public void whenAddInValidValues_throwsException() {
sampleAdder.add(12, -12);
}
}

54
spring-aop/src/test/resources/springAop-applicationContext.xml Normal file
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<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:p="http://www.springframework.org/schema/p"
xmlns:aop="http://www.springframework.org/schema/aop" xmlns:context="http://www.springframework.org/schema/context"
xmlns:jee="http://www.springframework.org/schema/jee" xmlns:tx="http://www.springframework.org/schema/tx"
xmlns:task="http://www.springframework.org/schema/task"
xsi:schemaLocation="http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-3.2.xsd http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.2.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-3.2.xsd http://www.springframework.org/schema/jee http://www.springframework.org/schema/jee/spring-jee-3.2.xsd http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-3.2.xsd http://www.springframework.org/schema/task http://www.springframework.org/schema/task/spring-task-3.2.xsd">
<bean id="sampleAdder"
class="org.baeldung.logger.SampleAdder" />
<bean id="doBeforeAspect" class="org.baeldung.logger.AdderBeforeAspect" />
<bean id="doAfterAspect" class="org.baeldung.logger.AdderAfterAspect" />
<bean id="doAfterThrowingAspect" class="org.baeldung.logger.AdderAfterThrowAspect" />
<bean id="doAfterReturningAspect" class="org.baeldung.logger.AdderAfterReturnAspect" />
<bean id="doAroundAspect" class="org.baeldung.logger.AdderAroundAspect" />
<aop:config>
<aop:aspect id="aspects" ref="doBeforeAspect">
<aop:pointcut id="pointCutBefore"
expression="execution(* org.baeldung.logger.SampleAdder+.*(..))" />
<aop:before method="beforeAdvice" pointcut-ref="pointCutBefore" />
</aop:aspect>
<aop:aspect id="aspects" ref="doAfterAspect">
<aop:pointcut id="pointCutAfter"
expression="execution(* org.baeldung.logger.SampleAdder+.*(..))" />
<aop:after method="afterAdvice" pointcut-ref="pointCutAfter" />
</aop:aspect>
<aop:aspect id="aspects" ref="doAfterReturningAspect">
<aop:pointcut id="pointCutAfterReturning"
expression="execution(* org.baeldung.logger.SampleAdder+.*(..))" />
<aop:after-returning method="afterReturn"
returning="returnValue" pointcut-ref="pointCutAfterReturning" />
</aop:aspect>
<aop:aspect id="aspects" ref="doAfterThrowingAspect">
<aop:pointcut id="pointCutAfterThrowing"
expression="execution(* org.baeldung.logger.SampleAdder+.*(..))" />
<aop:after-throwing method="afterThrow"
throwing="exception" pointcut-ref="pointCutAfterThrowing" />
</aop:aspect>
<aop:aspect id="aspects" ref="doAroundAspect">
<aop:pointcut id="pointCutAround"
expression="execution(* org.baeldung.logger.SampleAdder+.*(..))" />
<aop:around method="aroundAdvice" pointcut-ref="pointCutAround" />
</aop:aspect>
</aop:config>
</beans>

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spring-boot-actuator/.gitignore vendored Normal file
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/target/
.settings/
.classpath
.project

0
spring-boot-actuator/README.MD Normal file
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121
spring-boot-actuator/pom.xml Normal file
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<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>com.baeldung</groupId>
<artifactId>spring-boot-actuator</artifactId>
<version>0.0.1-SNAPSHOT</version>
<packaging>jar</packaging>
<name>spring-boot</name>
<description>This is simple boot application for Spring boot actuator test</description>
<!-- Inherit defaults from Spring Boot -->
<parent>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-parent</artifactId>
<version>1.5.2.RELEASE</version>
<relativePath/> <!-- lookup parent from repository -->
</parent>
<dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-actuator</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-test</artifactId>
<scope>test</scope>
</dependency>
</dependencies>
<build>
<finalName>spring-boot-actuator</finalName>
<resources>
<resource>
<directory>src/main/resources</directory>
<filtering>true</filtering>
</resource>
</resources>
<plugins>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
<configuration>
<source>1.8</source>
<target>1.8</target>
</configuration>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-surefire-plugin</artifactId>
<configuration>
<excludes>
<exclude>**/*IntegrationTest.java</exclude>
</excludes>
</configuration>
</plugin>
</plugins>
</build>
<profiles>
<profile>
<id>integration</id>
<build>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-surefire-plugin</artifactId>
<executions>
<execution>
<phase>integration-test</phase>
<goals>
<goal>test</goal>
</goals>
<configuration>
<includes>
<include>**/*IntegrationTest.java</include>
</includes>
</configuration>
</execution>
</executions>
<configuration>
<systemPropertyVariables>
<test.mime>json</test.mime>
</systemPropertyVariables>
</configuration>
</plugin>
</plugins>
</build>
</profile>
</profiles>
<properties>
<start-class>org.baeldung.MainApplication</start-class>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
<java.version>1.8</java.version>
</properties>
</project>

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spring-boot-actuator/src/main/java/org/baeldung/MainApplication.java Normal file
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package org.baeldung;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.baeldung.config.MainConfig;
@SpringBootApplication
public class MainApplication {
public static void main(String args[]) {
SpringApplication.run(MainConfig.class, args);
}
}

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spring-boot-actuator/src/main/java/org/baeldung/config/MainConfig.java Normal file
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package org.baeldung.config;
import java.util.Collections;
import org.springframework.boot.actuate.info.InfoContributor;
import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
import org.springframework.context.annotation.Bean;
@EnableAutoConfiguration
public class MainConfig {
public MainConfig() {}
@Bean
public InfoContributor getInfoContributor() {
return (infoBuilder) -> infoBuilder.withDetail("applicationInfo", Collections.singletonMap("ActiveUserCount", "10"));
}
}

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spring-boot-actuator/src/main/resources/application.properties Normal file
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info.app.name=Sample application

32
spring-boot-actuator/src/test/java/org/baeldung/config/ActuatorInfoIntegrationTest.java Normal file
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package org.baeldung.config;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.test.context.SpringBootTest;
import org.springframework.boot.test.web.client.TestRestTemplate;
import org.springframework.http.HttpStatus;
import org.springframework.http.ResponseEntity;
import org.springframework.test.context.TestPropertySource;
import org.springframework.test.context.junit4.SpringRunner;
import static org.junit.Assert.*;
import java.io.IOException;
import java.nio.file.Files;
import java.nio.file.Paths;
@RunWith(SpringRunner.class)
@SpringBootTest(webEnvironment = SpringBootTest.WebEnvironment.RANDOM_PORT, classes = MainConfig.class)
@TestPropertySource(properties = { "security.basic.enabled=false" })
public class ActuatorInfoIntegrationTest {
@Autowired
private TestRestTemplate restTemplate;
@Test
public void whenGetInfo_thenAdditionalInfoReturned() throws IOException {
final String expectedResponse = new String(Files.readAllBytes(Paths.get("src/test/resources/expectedResponse.json")));
final ResponseEntity<String> responseEntity = this.restTemplate.getForEntity("/info", String.class);
assertEquals(HttpStatus.OK, responseEntity.getStatusCode());
assertEquals(expectedResponse, responseEntity.getBody());
}
}

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spring-boot-actuator/src/test/resources/expectedResponse.json Normal file
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{"app":{"name":"Sample application"},"applicationInfo":{"ActiveUserCount":"10"}}