Merge pull request #8683 from SmartyAnsh/BAEL-3758_AOP_Annotations_jcabi-aspects
BAEL-3758 - AOP Annotations of jcabi-aspects
This commit is contained in:
Eric Martin
GitHub
commit
409ebc1a90
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@ -73,6 +73,18 @@
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<version>${cache2k.version}</version>
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<type>pom</type>
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</dependency>
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<dependency>
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<groupId>com.jcabi</groupId>
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<artifactId>jcabi-aspects</artifactId>
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<version>${jcabi-aspects.version}</version>
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</dependency>
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<dependency>
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<groupId>org.aspectj</groupId>
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<artifactId>aspectjrt</artifactId>
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<version>${aspectjrt.version}</version>
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<scope>runtime</scope>
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</dependency>
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</dependencies>
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<repositories>
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@ -81,6 +93,36 @@
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<url>https://jitpack.io</url>
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</repository>
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</repositories>
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<build>
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<finalName>libraries-3</finalName>
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<plugins>
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<plugin>
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<groupId>com.jcabi</groupId>
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<artifactId>jcabi-maven-plugin</artifactId>
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<version>${jcabi-maven-plugin.version}</version>
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<executions>
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<execution>
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<goals>
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<goal>ajc</goal>
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</goals>
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</execution>
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</executions>
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<dependencies>
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<dependency>
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<groupId>org.aspectj</groupId>
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<artifactId>aspectjtools</artifactId>
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<version>${aspectjtools.version}</version>
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</dependency>
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<dependency>
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<groupId>org.aspectj</groupId>
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<artifactId>aspectjweaver</artifactId>
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<version>${aspectjweaver.version}</version>
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</dependency>
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</dependencies>
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</plugin>
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</plugins>
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</build>
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<properties>
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<jcommander.version>1.78</jcommander.version>
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@ -93,5 +135,11 @@
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<cactoos.version>0.43</cactoos.version>
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<airline.version>2.7.2</airline.version>
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<cache2k.version>1.2.3.Final</cache2k.version>
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<jcabi-aspects.version>0.22.6</jcabi-aspects.version>
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<aspectjrt.version>1.9.2</aspectjrt.version>
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<jcabi-maven-plugin.version>0.14.1</jcabi-maven-plugin.version>
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<aspectjtools.version>1.9.2</aspectjtools.version>
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<aspectjweaver.version>1.9.2</aspectjweaver.version>
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</properties>
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</project>
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@ -0,0 +1,112 @@
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package com.baeldung.jcabi;
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import java.io.BufferedReader;
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import java.io.FileNotFoundException;
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import java.io.FileReader;
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import java.io.IOException;
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import java.io.InputStreamReader;
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import java.net.MalformedURLException;
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import java.net.URL;
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import java.net.URLConnection;
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import java.util.concurrent.CompletableFuture;
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import java.util.concurrent.Future;
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import java.util.concurrent.TimeUnit;
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import com.jcabi.aspects.Async;
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import com.jcabi.aspects.Cacheable;
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import com.jcabi.aspects.LogExceptions;
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import com.jcabi.aspects.Loggable;
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import com.jcabi.aspects.Quietly;
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import com.jcabi.aspects.RetryOnFailure;
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import com.jcabi.aspects.UnitedThrow;
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public class JcabiAspectJ {
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public static void main(String[] args) {
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try {
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displayFactorial(10);
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getFactorial(10).get();
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String result = cacheExchangeRates();
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if (result != cacheExchangeRates()) {
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System.out.println(result);
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}
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divideByZero();
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} catch(Exception e) {
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e.printStackTrace();
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}
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divideByZeroQuietly();
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try {
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processFile();
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} catch(Exception e) {
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e.printStackTrace();
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}
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}
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@Loggable
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@Async
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public static void displayFactorial(int number) {
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long result = factorial(number);
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System.out.println(result);
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}
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@Loggable
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@Async
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public static Future<Long> getFactorial(int number) {
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Future<Long> factorialFuture = CompletableFuture.supplyAsync(() -> factorial(number));
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return factorialFuture;
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}
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/**
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* Finds factorial of a number
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* @param number
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* @return
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*/
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public static long factorial(int number) {
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long result = 1;
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for(int i=number;i>0;i--) {
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result *= i;
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}
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return result;
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}
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@Loggable
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@Cacheable(lifetime = 2, unit = TimeUnit.SECONDS)
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public static String cacheExchangeRates() {
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String result = null;
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try {
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URL exchangeRateUrl = new URL("https://api.exchangeratesapi.io/latest");
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URLConnection con = exchangeRateUrl.openConnection();
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BufferedReader in = new BufferedReader(new InputStreamReader(con.getInputStream()));
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result = in.readLine();
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} catch (IOException e) {
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e.printStackTrace();
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}
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return result;
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}
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@LogExceptions
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public static void divideByZero() {
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int x = 1/0;
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}
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@RetryOnFailure(attempts = 2, types = {java.lang.NumberFormatException.class})
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@Quietly
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public static void divideByZeroQuietly() {
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int x = 1/0;
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}
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@UnitedThrow(IllegalStateException.class)
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public static void processFile() throws IOException, InterruptedException {
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BufferedReader reader = new BufferedReader(new FileReader("baeldung.txt"));
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reader.readLine();
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Thread thread = new Thread();
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thread.wait(2000);
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}
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}
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