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Merge pull request #11750 from hkhan/JAVA-9019-clean-up-log-statements 

Java 9019 clean up log statements
This commit is contained in:
kwoyke 2022-02-02 11:21:55 +01:00 committed by GitHub
parent 21764e8089 fc145be4a8
commit 896d32c182
12 changed files with 95 additions and 82 deletions
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13
core-java-modules/core-java-collections-3/src/main/java/com/baeldung/collections/iterators/Iterators.java
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@ -1,17 +1,16 @@
package com.baeldung.collections.iterators;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.concurrent.ConcurrentHashMap;
/**
* Source code https://github.com/eugenp/tutorials
*
* @author Santosh Thakur
*/
public class Iterators {
private static final Logger LOG = LoggerFactory.getLogger(Iterators.class);
public static int failFast1() {
ArrayList<Integer> numbers = new ArrayList<>();
@ -44,7 +43,7 @@ public class Iterators {
}
}
System.out.println("using iterator's remove method = " + numbers);
LOG.debug("using iterator's remove method = {}", numbers);
iterator = numbers.iterator();
while (iterator.hasNext()) {

10
core-java-modules/core-java-collections-3/src/test/java/com/baeldung/collections/bitset/BitSetUnitTest.java
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@ -3,6 +3,8 @@ package com.baeldung.collections.bitset;
import org.junit.Test;
import org.openjdk.jol.info.ClassLayout;
import org.openjdk.jol.info.GraphLayout;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.util.BitSet;
@ -10,18 +12,20 @@ import static org.assertj.core.api.Assertions.assertThat;
public class BitSetUnitTest {
private static final Logger LOG = LoggerFactory.getLogger(BitSetUnitTest.class);
@Test
public void givenBoolArray_whenMemoryLayout_thenConsumeMoreThanOneBit() {
boolean[] bits = new boolean[1024 * 1024];
System.out.println(ClassLayout.parseInstance(bits).toPrintable());
LOG.debug(ClassLayout.parseInstance(bits).toPrintable());
}
@Test
public void givenBitSet_whenMemoryLayout_thenConsumeOneBitPerFlag() {
BitSet bitSet = new BitSet(1024 * 1024);
System.out.println(GraphLayout.parseInstance(bitSet).toPrintable());
LOG.debug(GraphLayout.parseInstance(bitSet).toPrintable());
}
@Test
@ -157,7 +161,7 @@ public class BitSetUnitTest {
BitSet bitSet = new BitSet();
bitSet.set(15, 25);
bitSet.stream().forEach(System.out::println);
bitSet.stream().forEach(bit -> LOG.debug(String.valueOf(bit)));
assertThat(bitSet.stream().count()).isEqualTo(10);
}

13
core-java-modules/core-java-collections-3/src/test/resources/logback.xml Normal file
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@ -0,0 +1,13 @@
<?xml version="1.0" encoding="UTF-8"?>
<configuration>
<appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender">
<encoder>
<pattern>%d{HH:mm:ss.SSS} [%thread] %-5level %logger{36} - %msg%n
</pattern>
</encoder>
</appender>
<root level="INFO">
<appender-ref ref="STDOUT" />
</root>
</configuration>

15
core-java-modules/core-java-concurrency-advanced-2/src/main/java/com/baeldung/concurrent/prioritytaskexecution/Job.java
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@ -1,9 +1,15 @@
package com.baeldung.concurrent.prioritytaskexecution;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class Job implements Runnable {
private String jobName;
private JobPriority jobPriority;
private static final Logger LOGGER = LoggerFactory.getLogger(Job.class);
private final String jobName;
private final JobPriority jobPriority;
public Job(String jobName, JobPriority jobPriority) {
this.jobName = jobName;
this.jobPriority = jobPriority != null ? jobPriority : JobPriority.MEDIUM;
@ -16,8 +22,7 @@ public class Job implements Runnable {
@Override
public void run() {
try {
System.out.println("Job:" + jobName +
" Priority:" + jobPriority);
LOGGER.debug("Job:{} Priority:{}", jobName, jobPriority);
Thread.sleep(1000);
} catch (InterruptedException ignored) {
}

10
core-java-modules/core-java-concurrency-advanced-2/src/main/java/com/baeldung/forkjoin/CustomRecursiveAction.java
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@ -1,19 +1,21 @@
package com.baeldung.forkjoin;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.util.ArrayList;
import java.util.Collection;
import java.util.List;
import java.util.concurrent.ForkJoinTask;
import java.util.concurrent.RecursiveAction;
import java.util.logging.Logger;
public class CustomRecursiveAction extends RecursiveAction {
final Logger logger = LoggerFactory.getLogger(CustomRecursiveAction.class);
private String workLoad = "";
private static final int THRESHOLD = 4;
private static Logger logger = Logger.getAnonymousLogger();
public CustomRecursiveAction(String workLoad) {
this.workLoad = workLoad;
}
@ -43,7 +45,7 @@ public class CustomRecursiveAction extends RecursiveAction {
private void processing(String work) {
String result = work.toUpperCase();
logger.info("This result - (" + result + ") - was processed by " + Thread.currentThread()
logger.debug("This result - (" + result + ") - was processed by " + Thread.currentThread()
.getName());
}
}

16
core-java-modules/core-java-concurrency-advanced-2/src/test/java/com/baeldung/concurrent/prioritytaskexecution/PriorityJobSchedulerUnitTest.java
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@ -3,9 +3,9 @@ package com.baeldung.concurrent.prioritytaskexecution;
import org.junit.Test;
public class PriorityJobSchedulerUnitTest {
private static int POOL_SIZE = 1;
private static int QUEUE_SIZE = 10;
private static final int POOL_SIZE = 1;
private static final int QUEUE_SIZE = 10;
@Test
public void whenMultiplePriorityJobsQueued_thenHighestPriorityJobIsPicked() {
Job job1 = new Job("Job1", JobPriority.LOW);
@ -14,19 +14,19 @@ public class PriorityJobSchedulerUnitTest {
Job job4 = new Job("Job4", JobPriority.MEDIUM);
Job job5 = new Job("Job5", JobPriority.LOW);
Job job6 = new Job("Job6", JobPriority.HIGH);
PriorityJobScheduler pjs = new PriorityJobScheduler(POOL_SIZE, QUEUE_SIZE);
pjs.scheduleJob(job1);
pjs.scheduleJob(job2);
pjs.scheduleJob(job3);
pjs.scheduleJob(job4);
pjs.scheduleJob(job5);
pjs.scheduleJob(job6);
// ensure no tasks is pending before closing the scheduler
while (pjs.getQueuedTaskCount() != 0);
// delay to avoid job sleep (added for demo) being interrupted
try {
Thread.sleep(2000);
@ -34,7 +34,7 @@ public class PriorityJobSchedulerUnitTest {
Thread.currentThread().interrupt();
throw new RuntimeException(e);
}
pjs.closeScheduler();
}
}

19
core-java-modules/core-java-concurrency-advanced-2/src/test/java/com/baeldung/forkjoin/Java8ForkJoinIntegrationTest.java
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@ -1,18 +1,15 @@
package com.baeldung.forkjoin;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertTrue;
import com.baeldung.forkjoin.util.PoolUtil;
import org.junit.Before;
import org.junit.Test;
import java.util.Random;
import java.util.concurrent.ForkJoinPool;
import org.junit.Before;
import org.junit.Test;
import com.baeldung.forkjoin.CustomRecursiveAction;
import com.baeldung.forkjoin.CustomRecursiveTask;
import com.baeldung.forkjoin.util.PoolUtil;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertTrue;
public class Java8ForkJoinIntegrationTest {
@ -63,11 +60,11 @@ public class Java8ForkJoinIntegrationTest {
ForkJoinPool forkJoinPool = ForkJoinPool.commonPool();
forkJoinPool.execute(customRecursiveTask);
int result = customRecursiveTask.join();
customRecursiveTask.join();
assertTrue(customRecursiveTask.isDone());
forkJoinPool.submit(customRecursiveTask);
int resultTwo = customRecursiveTask.join();
customRecursiveTask.join();
assertTrue(customRecursiveTask.isDone());
}

48
core-java-modules/core-java-concurrency-advanced-2/src/test/java/com/baeldung/thread/join/ThreadJoinUnitTest.java
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@ -1,12 +1,12 @@
package com.baeldung.thread.join;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;
import java.util.logging.Logger;
import org.junit.Ignore;
import org.junit.Test;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;
/**
* Demonstrates Thread.join behavior.
@ -14,55 +14,55 @@ import org.junit.Test;
*/
public class ThreadJoinUnitTest {
final static Logger LOGGER = Logger.getLogger(ThreadJoinUnitTest.class.getName());
private static final Logger LOGGER = LoggerFactory.getLogger(ThreadJoinUnitTest.class);
class SampleThread extends Thread {
public int processingCount = 0;
static class SampleThread extends Thread {
public int processingCount;
SampleThread(int processingCount) {
this.processingCount = processingCount;
LOGGER.info("Thread " + this.getName() + " created");
LOGGER.debug("Thread " + this.getName() + " created");
}
@Override
public void run() {
LOGGER.info("Thread " + this.getName() + " started");
LOGGER.debug("Thread " + this.getName() + " started");
while (processingCount > 0) {
try {
Thread.sleep(1000); // Simulate some work being done by thread
} catch (InterruptedException e) {
LOGGER.info("Thread " + this.getName() + " interrupted.");
LOGGER.debug("Thread " + this.getName() + " interrupted.");
}
processingCount--;
LOGGER.info("Inside Thread " + this.getName() + ", processingCount = " + processingCount);
LOGGER.debug("Inside Thread " + this.getName() + ", processingCount = " + processingCount);
}
LOGGER.info("Thread " + this.getName() + " exiting");
LOGGER.debug("Thread " + this.getName() + " exiting");
}
}
@Test
public void givenNewThread_whenJoinCalled_returnsImmediately() throws InterruptedException {
Thread t1 = new SampleThread(0);
LOGGER.info("Invoking join.");
LOGGER.debug("Invoking join.");
t1.join();
LOGGER.info("Returned from join");
LOGGER.info("Thread state is" + t1.getState());
LOGGER.debug("Returned from join");
LOGGER.debug("Thread state is" + t1.getState());
assertFalse(t1.isAlive());
}
@Test
public void givenStartedThread_whenJoinCalled_waitsTillCompletion()
public void givenStartedThread_whenJoinCalled_waitsTillCompletion()
throws InterruptedException {
Thread t2 = new SampleThread(1);
t2.start();
LOGGER.info("Invoking join.");
LOGGER.debug("Invoking join.");
t2.join();
LOGGER.info("Returned from join");
LOGGER.debug("Returned from join");
assertFalse(t2.isAlive());
}
@Test
public void givenStartedThread_whenTimedJoinCalled_waitsUntilTimedout()
public void givenStartedThread_whenTimedJoinCalled_waitsUntilTimedout()
throws InterruptedException {
Thread t3 = new SampleThread(10);
t3.start();
@ -72,18 +72,18 @@ public class ThreadJoinUnitTest {
@Test
@Ignore
public void givenThreadTerminated_checkForEffect_notGuaranteed()
public void givenThreadTerminated_checkForEffect_notGuaranteed()
throws InterruptedException {
SampleThread t4 = new SampleThread(10);
t4.start();
//not guaranteed to stop even if t4 finishes.
do {
} while (t4.processingCount > 0);
} while (t4.processingCount > 0);
}
@Test
public void givenJoinWithTerminatedThread_checkForEffect_guaranteed()
public void givenJoinWithTerminatedThread_checkForEffect_guaranteed()
throws InterruptedException {
SampleThread t4 = new SampleThread(10);
t4.start();

13
core-java-modules/core-java-concurrency-advanced-2/src/test/resources/logback.xml Normal file
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@ -0,0 +1,13 @@
<?xml version="1.0" encoding="UTF-8"?>
<configuration>
<appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender">
<encoder>
<pattern>%d{HH:mm:ss.SSS} [%thread] %-5level %logger{36} - %msg%n
</pattern>
</encoder>
</appender>
<root level="INFO">
<appender-ref ref="STDOUT"/>
</root>
</configuration>

6
core-java-modules/core-java-io/src/main/resources/log4j.properties
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@ -1,6 +0,0 @@
log4j.rootLogger=DEBUG, A1
log4j.appender.A1=org.apache.log4j.ConsoleAppender
log4j.appender.A1.layout=org.apache.log4j.PatternLayout
log4j.appender.A1.layout.ConversionPattern=%-4r [%t] %-5p %c %x - %m%n

9
core-java-modules/core-java-io/src/main/resources/log4jstructuraldp.properties
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@ -1,9 +0,0 @@
# Root logger
log4j.rootLogger=INFO, file, stdout
# Write to console
log4j.appender.stdout=org.apache.log4j.ConsoleAppender
log4j.appender.stdout.Target=System.out
log4j.appender.stdout.layout=org.apache.log4j.PatternLayout
log4j.appender.stdout.layout.ConversionPattern=%d{yyyy-MM-dd HH:mm:ss} %-5p %c{1}:%L - %m%n

5
core-java-modules/core-java-io/src/main/resources/logback.xml
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@ -7,13 +7,8 @@
</encoder>
</appender>
<logger name="org.springframework" level="WARN" />
<logger name="org.springframework.transaction" level="WARN" />
<logger name="net.sf.jmimemagic" level="WARN" />
<!-- in order to debug some marshalling issues, this needs to be TRACE -->
<logger name="org.springframework.web.servlet.mvc" level="WARN" />
<root level="INFO">
<appender-ref ref="STDOUT" />
</root>