Merge branch 'BAEL-16646' into BAEL-16646-2. Flatten additional datetime modules and create new time-measurements module with 3 articles.
# Conflicts: # core-java-modules/core-java-datetime/README.md # core-java-modules/core-java-datetime/pom.xml
This commit is contained in:
Alessio Stalla
@@ -29,7 +29,6 @@
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- [What is the serialVersionUID?](http://www.baeldung.com/java-serial-version-uid)
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- [A Guide to the ResourceBundle](http://www.baeldung.com/java-resourcebundle)
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- [Class Loaders in Java](http://www.baeldung.com/java-classloaders)
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- [Guide to the Java Clock Class](http://www.baeldung.com/java-clock)
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- [Importance of Main Manifest Attribute in a Self-Executing JAR](http://www.baeldung.com/java-jar-executable-manifest-main-class)
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- [Java Global Exception Handler](http://www.baeldung.com/java-global-exception-handler)
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- [How to Get the Size of an Object in Java](http://www.baeldung.com/java-size-of-object)
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@@ -1,159 +0,0 @@
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package com.baeldung.java.clock;
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import static org.junit.Assert.assertEquals;
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import static org.junit.Assert.assertTrue;
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import java.time.Clock;
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import java.time.Duration;
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import java.time.ZoneId;
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import java.time.ZoneOffset;
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import org.junit.Test;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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public class ClockUnitTest {
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private static final Logger LOGGER = LoggerFactory.getLogger(ClockUnitTest.class);
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@Test
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public void givenClock_withSytemUTC_retrievesInstant() {
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Clock clockUTC = Clock.systemUTC();
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assertEquals(clockUTC.getZone(), ZoneOffset.UTC);
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assertEquals(clockUTC.instant().equals(null), false);
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LOGGER.debug("UTC instant :: " + clockUTC.instant());
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}
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@Test
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public void givenClock_withSytem_retrievesInstant() {
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Clock clockSystem = Clock.system(ZoneId.of("Asia/Calcutta"));
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assertEquals(clockSystem.getZone(), ZoneId.of("Asia/Calcutta"));
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assertEquals(clockSystem.instant().equals(null), false);
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LOGGER.debug("System zone :: " + clockSystem.getZone());
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}
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@Test
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public void givenClock_withSytemDefaultZone_retrievesInstant() {
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Clock clockSystemDefault = Clock.systemDefaultZone();
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assertEquals(clockSystemDefault.getZone().equals(null), false);
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assertEquals(clockSystemDefault.instant().equals(null), false);
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LOGGER.debug("System Default instant :: " + clockSystemDefault.instant());
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}
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@Test
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public void givenClock_withSytemUTC_retrievesTimeInMillis() {
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Clock clockMillis = Clock.systemDefaultZone();
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assertEquals(clockMillis.instant().equals(null), false);
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assertTrue(clockMillis.millis() > 0);
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LOGGER.debug("System Default millis :: " + clockMillis.millis());
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}
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@Test
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public void givenClock_usingOffset_retrievesFutureDate() {
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Clock baseClock = Clock.systemDefaultZone();
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// result clock will be later than baseClock
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Clock futureClock = Clock.offset(baseClock, Duration.ofHours(72));
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assertEquals(futureClock.instant().equals(null), false);
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assertTrue(futureClock.millis() > baseClock.millis());
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LOGGER.debug("Future Clock instant :: " + futureClock.instant());
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}
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@Test
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public void givenClock_usingOffset_retrievesPastDate() {
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Clock baseClock = Clock.systemDefaultZone();
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// result clock will be later than baseClock
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Clock pastClock = Clock.offset(baseClock, Duration.ofHours(-72));
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assertEquals(pastClock.instant().equals(null), false);
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assertTrue(pastClock.millis() < baseClock.millis());
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LOGGER.debug("Past Clock instant :: " + pastClock.instant());
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}
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@Test
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public void givenClock_usingTick_retrievesInstant() {
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Clock clockDefaultZone = Clock.systemDefaultZone();
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Clock clocktick = Clock.tick(clockDefaultZone, Duration.ofSeconds(300));
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assertEquals(clockDefaultZone.instant().equals(null), false);
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assertEquals(clocktick.instant().equals(null), false);
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assertTrue(clockDefaultZone.millis() > clocktick.millis());
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LOGGER.debug("Clock Default Zone instant : " + clockDefaultZone.instant());
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LOGGER.debug("Clock tick instant: " + clocktick.instant());
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}
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@Test(expected=IllegalArgumentException.class)
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public void givenClock_usingTickDurationNegative_throwsException() {
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Clock clockDefaultZone = Clock.systemDefaultZone();
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Clock.tick(clockDefaultZone, Duration.ofSeconds(-300));
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}
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@Test
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public void givenClock_usingTickSeconds_retrievesInstant() {
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ZoneId zoneId = ZoneId.of("Asia/Calcutta");
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Clock tickSeconds = Clock.tickSeconds(zoneId);
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assertEquals(tickSeconds.instant().equals(null), false);
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LOGGER.debug("Clock tick seconds instant :: " + tickSeconds.instant());
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tickSeconds = Clock.tick(Clock.system(ZoneId.of("Asia/Calcutta")), Duration.ofSeconds(100));
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assertEquals(tickSeconds.instant().equals(null), false);
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}
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@Test
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public void givenClock_usingTickMinutes_retrievesInstant() {
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Clock tickMinutes = Clock.tickMinutes(ZoneId.of("Asia/Calcutta"));
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assertEquals(tickMinutes.instant().equals(null), false);
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LOGGER.debug("Clock tick seconds instant :: " + tickMinutes.instant());
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tickMinutes = Clock.tick(Clock.system(ZoneId.of("Asia/Calcutta")), Duration.ofMinutes(5));
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assertEquals(tickMinutes.instant().equals(null), false);
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}
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@Test
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public void givenClock_usingWithZone_retrievesInstant() {
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ZoneId zoneSingapore = ZoneId.of("Asia/Singapore");
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Clock clockSingapore = Clock.system(zoneSingapore);
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assertEquals(clockSingapore.instant().equals(null), false);
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LOGGER.debug("clockSingapore instant : " + clockSingapore.instant());
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ZoneId zoneCalcutta = ZoneId.of("Asia/Calcutta");
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Clock clockCalcutta = clockSingapore.withZone(zoneCalcutta);
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assertEquals(clockCalcutta.instant().equals(null), false);
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LOGGER.debug("clockCalcutta instant : " + clockSingapore.instant());
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}
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@Test
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public void givenClock_usingGetZone_retrievesZoneId() {
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Clock clockDefaultZone = Clock.systemDefaultZone();
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ZoneId zone = clockDefaultZone.getZone();
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assertEquals(zone.getId().equals(null), false);
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LOGGER.debug("Default zone instant : " + clockDefaultZone.instant());
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}
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}
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