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BAEL-4071 - Get advised method info in Spring AOP

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Fixing identation
This commit is contained in:
Sallo Szrajbman 2020-12-19 12:58:00 +00:00
parent 73af581e18
commit 0c926e7441
6 changed files with 94 additions and 95 deletions
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39
spring-aop/src/main/java/com/baeldung/method/info/Account.java
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@ -2,30 +2,27 @@ package com.baeldung.method.info;
public class Account { public class Account {
private String accountNumber; private String accountNumber;
private double balance; private double balance;
public String getAccountNumber() { public String getAccountNumber() {
return accountNumber; return accountNumber;
} }
public void setAccountNumber(String accountNumber) { public void setAccountNumber(String accountNumber) {
this.accountNumber = accountNumber; this.accountNumber = accountNumber;
} }
public double getBalance() { public double getBalance() {
return balance; return balance;
} }
public void setBalance(double balance) { public void setBalance(double balance) {
this.balance = balance; this.balance = balance;
} }
@Override @Override
public String toString() { public String toString() {
return "Account{" + return "Account{" + "accountNumber='" + accountNumber + '\'' + ", balance=" + balance + '}';
"accountNumber='" + accountNumber + '\'' + }
", balance=" + balance +
'}';
}
} }

2
spring-aop/src/main/java/com/baeldung/method/info/AccountOperation.java
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@ -8,5 +8,5 @@ import java.lang.annotation.Target;
@Target(ElementType.METHOD) @Target(ElementType.METHOD)
@Retention(RetentionPolicy.RUNTIME) @Retention(RetentionPolicy.RUNTIME)
public @interface AccountOperation { public @interface AccountOperation {
String operation(); String operation();
} }

54
spring-aop/src/main/java/com/baeldung/method/info/BankAccountAspect.java
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@ -14,40 +14,42 @@ import java.util.Arrays;
@Component @Component
public class BankAccountAspect { public class BankAccountAspect {
@Before(value="@annotation(com.baeldung.method.info.AccountOperation)") @Before(value = "@annotation(com.baeldung.method.info.AccountOperation)")
public void getAccountOperationInfo(JoinPoint joinPoint) { public void getAccountOperationInfo(JoinPoint joinPoint) {
//Method Information // Method Information
MethodSignature signature = (MethodSignature) joinPoint.getSignature(); MethodSignature signature = (MethodSignature) joinPoint.getSignature();
System.out.println("full method description: " + signature.getMethod()); System.out.println("full method description: " + signature.getMethod());
System.out.println("method name: " + signature.getMethod().getName()); System.out.println("method name: " + signature.getMethod().getName());
System.out.println("declaring type: " + signature.getDeclaringType()); System.out.println("declaring type: " + signature.getDeclaringType());
//Method args // Method args
System.out.println("Method args names:"); System.out.println("Method args names:");
Arrays.stream(signature.getParameterNames()).forEach(s -> System.out.println("arg name: " + s)); Arrays.stream(signature.getParameterNames())
.forEach(s -> System.out.println("arg name: " + s));
System.out.println("Method args types:"); System.out.println("Method args types:");
Arrays.stream(signature.getParameterTypes()).forEach(s -> System.out.println("arg type: " + s)); Arrays.stream(signature.getParameterTypes())
.forEach(s -> System.out.println("arg type: " + s));
System.out.println("Method args values:"); System.out.println("Method args values:");
Arrays.stream(joinPoint.getArgs()).forEach(o -> System.out.println("arg value: " + o.toString())); Arrays.stream(joinPoint.getArgs())
.forEach(o -> System.out.println("arg value: " + o.toString()));
//Additional Information // Additional Information
System.out.println("returning type: " + signature.getReturnType()); System.out.println("returning type: " + signature.getReturnType());
System.out.println("method modifier: " + Modifier.toString(signature.getModifiers())); System.out.println("method modifier: " + Modifier.toString(signature.getModifiers()));
Arrays.stream(signature.getExceptionTypes()) Arrays.stream(signature.getExceptionTypes())
.forEach(aClass -> System.out.println("exception type: " + aClass)); .forEach(aClass -> System.out.println("exception type: " + aClass));
//Method annotation // Method annotation
Method method = signature.getMethod(); Method method = signature.getMethod();
AccountOperation accountOperation = method.getAnnotation(AccountOperation.class); AccountOperation accountOperation = method.getAnnotation(AccountOperation.class);
System.out.println("Account operation annotation: " + accountOperation); System.out.println("Account operation annotation: " + accountOperation);
System.out.println("Account operation value: " + accountOperation.operation()); System.out.println("Account operation value: " + accountOperation.operation());
} }
} }

29
spring-aop/src/main/java/com/baeldung/method/info/BankAccountService.java
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@ -6,25 +6,24 @@ import org.springframework.stereotype.Component;
@Component @Component
public class BankAccountService { public class BankAccountService {
@AccountOperation(operation = "deposit") @AccountOperation(operation = "deposit")
public void deposit(Account account, Double amount) { public void deposit(Account account, Double amount) {
account.setBalance(account.getBalance() + amount); account.setBalance(account.getBalance() + amount);
}
@AccountOperation(operation = "withdraw")
public void withdraw(Account account, Double amount) throws WithdrawLimitException {
if(amount > 500.0) {
throw new WithdrawLimitException("Withdraw limit exceeded.");
} }
account.setBalance(account.getBalance() - amount); @AccountOperation(operation = "withdraw")
public void withdraw(Account account, Double amount) throws WithdrawLimitException {
} if (amount > 500.0) {
throw new WithdrawLimitException("Withdraw limit exceeded.");
}
public double getBalance() { account.setBalance(account.getBalance() - amount);
return RandomUtils.nextDouble();
}
}
public double getBalance() {
return RandomUtils.nextDouble();
}
} }

8
spring-aop/src/main/java/com/baeldung/method/info/WithdrawLimitException.java
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@ -1,7 +1,7 @@
package com.baeldung.method.info; package com.baeldung.method.info;
public class WithdrawLimitException extends RuntimeException { public class WithdrawLimitException extends RuntimeException {
public WithdrawLimitException(String message) { public WithdrawLimitException(String message) {
super(message); super(message);
} }
} }

57
spring-aop/src/test/java/com/baeldung/method/info/BankAccountServiceIntegrationTest.java
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@ -11,38 +11,39 @@ import static org.junit.jupiter.api.Assertions.assertTrue;
@SpringBootTest @SpringBootTest
class BankAccountServiceIntegrationTest { class BankAccountServiceIntegrationTest {
private Account account; private Account account;
@BeforeEach @BeforeEach
public void setup() { public void setup() {
account = new Account(); account = new Account();
account.setAccountNumber("12345"); account.setAccountNumber("12345");
account.setBalance(2000.0); account.setBalance(2000.0);
} }
@Autowired @Autowired
BankAccountService bankAccountService; BankAccountService bankAccountService;
@Test @Test
void withdraw() { void withdraw() {
bankAccountService.withdraw(account, 500.0); bankAccountService.withdraw(account, 500.0);
assertTrue(account.getBalance() == 1500.0); assertTrue(account.getBalance() == 1500.0);
} }
@Test @Test
void withdrawWhenLimitReached() { void withdrawWhenLimitReached() {
Assertions.assertThatExceptionOfType(WithdrawLimitException.class).isThrownBy(() -> bankAccountService.withdraw(account, 600.0)); Assertions.assertThatExceptionOfType(WithdrawLimitException.class)
assertTrue(account.getBalance() == 2000.0); .isThrownBy(() -> bankAccountService.withdraw(account, 600.0));
} assertTrue(account.getBalance() == 2000.0);
}
@Test @Test
void deposit() { void deposit() {
bankAccountService.deposit(account, 500.0); bankAccountService.deposit(account, 500.0);
assertTrue(account.getBalance() == 2500.0); assertTrue(account.getBalance() == 2500.0);
} }
@Test @Test
void getBalance() { void getBalance() {
bankAccountService.getBalance(); bankAccountService.getBalance();
} }
} }