diff --git a/core-java-modules/core-java-17/src/test/java/com/baeldung/hexformat/ByteHexadecimalConversionUnitTest.java b/core-java-modules/core-java-17/src/test/java/com/baeldung/hexformat/ByteHexadecimalConversionUnitTest.java new file mode 100644 index 0000000000..29b6eb1bee --- /dev/null +++ b/core-java-modules/core-java-17/src/test/java/com/baeldung/hexformat/ByteHexadecimalConversionUnitTest.java @@ -0,0 +1,23 @@ +package com.baeldung.hexformat; + +import java.util.HexFormat; +import org.junit.jupiter.api.Test; +import static org.junit.jupiter.api.Assertions.assertArrayEquals; +import static org.junit.jupiter.api.Assertions.assertEquals; + +class ByteHexadecimalConversionUnitTest { + + private HexFormat hexFormat = HexFormat.of(); + + @Test + void givenInitialisedHexFormat_whenHexStringIsPassed_thenByteArrayRepresentationIsReturned() { + byte[] hexBytes = hexFormat.parseHex("ABCDEF0123456789"); + assertArrayEquals(new byte[] { -85, -51, -17, 1, 35, 69, 103, -119 }, hexBytes); + } + + @Test + void givenInitialisedHexFormat_whenByteArrayIsPassed_thenHexStringRepresentationIsReturned() { + String bytesAsString = hexFormat.formatHex(new byte[] { -85, -51, -17, 1, 35, 69, 103, -119}); + assertEquals("abcdef0123456789", bytesAsString); + } +} diff --git a/core-java-modules/core-java-17/src/test/java/com/baeldung/hexformat/PrimitiveTypeHexadecimalConversionUnitTest.java b/core-java-modules/core-java-17/src/test/java/com/baeldung/hexformat/PrimitiveTypeHexadecimalConversionUnitTest.java new file mode 100644 index 0000000000..6f26a8351c --- /dev/null +++ b/core-java-modules/core-java-17/src/test/java/com/baeldung/hexformat/PrimitiveTypeHexadecimalConversionUnitTest.java @@ -0,0 +1,22 @@ +package com.baeldung.hexformat; + +import java.util.HexFormat; +import org.junit.jupiter.api.Test; +import static org.junit.jupiter.api.Assertions.assertEquals; + +public class PrimitiveTypeHexadecimalConversionUnitTest { + + private HexFormat hexFormat = HexFormat.of(); + + @Test + void givenInitialisedHexFormat_whenPrimitiveByteIsPassed_thenHexStringRepresentationIsReturned() { + String fromByte = hexFormat.toHexDigits((byte)64); + assertEquals("40", fromByte); + } + + @Test + void givenInitialisedHexFormat_whenPrimitiveLongIsPassed_thenHexStringRepresentationIsReturned() { + String fromLong = hexFormat.toHexDigits(1234_5678_9012_3456L); + assertEquals("000462d53c8abac0", fromLong); + } +} diff --git a/core-java-modules/core-java-17/src/test/java/com/baeldung/hexformat/StringFormattingUnitTest.java b/core-java-modules/core-java-17/src/test/java/com/baeldung/hexformat/StringFormattingUnitTest.java new file mode 100644 index 0000000000..28189d0e8c --- /dev/null +++ b/core-java-modules/core-java-17/src/test/java/com/baeldung/hexformat/StringFormattingUnitTest.java @@ -0,0 +1,15 @@ +package com.baeldung.hexformat; + +import java.util.HexFormat; +import org.junit.jupiter.api.Test; +import static org.junit.jupiter.api.Assertions.assertEquals; + +public class StringFormattingUnitTest { + + private HexFormat hexFormat = HexFormat.of().withPrefix("[").withSuffix("]").withDelimiter(", "); + + @Test + public void givenInitialisedHexFormatWithFormattedStringOptions_whenByteArrayIsPassed_thenHexStringRepresentationFormattedCorrectlyIsReturned() { + assertEquals("[48], [0c], [11]", hexFormat.formatHex(new byte[] {72, 12, 17})); + } +} diff --git a/core-java-modules/core-java-17/src/test/java/com/baeldung/hexformat/UppercaseLowercaseOutputUnitTest.java b/core-java-modules/core-java-17/src/test/java/com/baeldung/hexformat/UppercaseLowercaseOutputUnitTest.java new file mode 100644 index 0000000000..c2a33fb4b5 --- /dev/null +++ b/core-java-modules/core-java-17/src/test/java/com/baeldung/hexformat/UppercaseLowercaseOutputUnitTest.java @@ -0,0 +1,40 @@ +package com.baeldung.hexformat; + +import java.util.HexFormat; +import org.junit.jupiter.api.Test; +import static org.junit.jupiter.api.Assertions.assertTrue; + +public class UppercaseLowercaseOutputUnitTest { + + @Test + public void givenInitialisedHexFormat_whenByteArrayIsPassed_thenLowerCaseHexStringRepresentationIsReturned() { + HexFormat hexFormat = HexFormat.of(); + String bytesAsString = hexFormat.formatHex(new byte[] { -85, -51, -17, 1, 35, 69, 103, -119}); + assertTrue(isLowerCase(bytesAsString)); + } + + @Test + public void givenInitialisedHexFormatWithUpperCaseOption_whenByteArrayIsPassed_thenLowerCaseHexStringRepresentationIsReturned() { + HexFormat hexFormat = HexFormat.of().withUpperCase(); + String bytesAsString = hexFormat.formatHex(new byte[] { -85, -51, -17, 1, 35, 69, 103, -119}); + assertTrue(isUpperCase(bytesAsString)); + } + + private boolean isLowerCase(String str) { + char[] charArray = str.toCharArray(); + for (int i=0; i < charArray.length; i++) { + if (Character.isUpperCase(charArray[i])) + return false; + } + return true; + } + + private boolean isUpperCase(String str) { + char[] charArray = str.toCharArray(); + for (int i=0; i < charArray.length; i++) { + if (Character.isLowerCase(charArray[i])) + return false; + } + return true; + } +} diff --git a/docker/docker-sample-app/Dockerfile b/docker/docker-sample-app/Dockerfile new file mode 100644 index 0000000000..71fc1a29d9 --- /dev/null +++ b/docker/docker-sample-app/Dockerfile @@ -0,0 +1,3 @@ +FROM openjdk:11 +COPY target/docker-sample-app-0.0.1.jar app.jar +ENTRYPOINT ["java","-jar","/app.jar"] diff --git a/docker/docker-sample-app/README.md b/docker/docker-sample-app/README.md new file mode 100644 index 0000000000..6aeaa1d2a3 --- /dev/null +++ b/docker/docker-sample-app/README.md @@ -0,0 +1,3 @@ +### Relevant Articles: + +- How to Get Docker-Compose to Always Use the Latest Image diff --git a/docker/docker-sample-app/docker-compose-build-image.yaml b/docker/docker-sample-app/docker-compose-build-image.yaml new file mode 100644 index 0000000000..27c1d8ee44 --- /dev/null +++ b/docker/docker-sample-app/docker-compose-build-image.yaml @@ -0,0 +1,8 @@ +version: '2.4' +services: + db: + image: postgres + my_app: + build: . + ports: + - "8080:8080" diff --git a/docker/docker-sample-app/docker-compose-with-image.yaml b/docker/docker-sample-app/docker-compose-with-image.yaml new file mode 100644 index 0000000000..9a8822f762 --- /dev/null +++ b/docker/docker-sample-app/docker-compose-with-image.yaml @@ -0,0 +1,9 @@ +version: '2.4' +services: + db: + image: postgres + my_app: + image: "eugen/test-app:latest" + ports: + - "8080:8080" + diff --git a/docker/docker-sample-app/pom.xml b/docker/docker-sample-app/pom.xml new file mode 100644 index 0000000000..6841fabcee --- /dev/null +++ b/docker/docker-sample-app/pom.xml @@ -0,0 +1,45 @@ + + + 4.0.0 + + com.baeldung.docker + docker + 0.0.1 + + + docker-sample-app + docker-sample-app + Demo project for Spring Boot and Docker + + + 11 + + + + + org.springframework.boot + spring-boot-starter + + + org.springframework.boot + spring-boot-starter-web + + + + org.springframework.boot + spring-boot-starter-test + test + + + + + + + org.springframework.boot + spring-boot-maven-plugin + + + + + diff --git a/docker/docker-sample-app/src/main/java/com/baeldung/docker/app/DockAppApplication.java b/docker/docker-sample-app/src/main/java/com/baeldung/docker/app/DockAppApplication.java new file mode 100644 index 0000000000..e7ff52015c --- /dev/null +++ b/docker/docker-sample-app/src/main/java/com/baeldung/docker/app/DockAppApplication.java @@ -0,0 +1,13 @@ +package com.baeldung.docker.app; + +import org.springframework.boot.SpringApplication; +import org.springframework.boot.autoconfigure.SpringBootApplication; + +@SpringBootApplication +public class DockAppApplication { + + public static void main(String[] args) { + SpringApplication.run(DockAppApplication.class, args); + } + +} diff --git a/docker/docker-sample-app/src/main/java/com/baeldung/docker/app/endpoint/MyController.java b/docker/docker-sample-app/src/main/java/com/baeldung/docker/app/endpoint/MyController.java new file mode 100644 index 0000000000..d46c57e606 --- /dev/null +++ b/docker/docker-sample-app/src/main/java/com/baeldung/docker/app/endpoint/MyController.java @@ -0,0 +1,13 @@ +package com.baeldung.docker.app.endpoint; + +import org.springframework.web.bind.annotation.GetMapping; +import org.springframework.web.bind.annotation.RestController; + +@RestController +public class MyController { + + @GetMapping + public String version() { + return "1.7"; + } +} diff --git a/docker/docker-sample-app/src/main/resources/application.properties b/docker/docker-sample-app/src/main/resources/application.properties new file mode 100644 index 0000000000..8b13789179 --- /dev/null +++ b/docker/docker-sample-app/src/main/resources/application.properties @@ -0,0 +1 @@ + diff --git a/docker/docker-sample-app/src/test/java/com/baeldung/docker/app/DockAppApplicationUnitTest.java b/docker/docker-sample-app/src/test/java/com/baeldung/docker/app/DockAppApplicationUnitTest.java new file mode 100644 index 0000000000..7220766988 --- /dev/null +++ b/docker/docker-sample-app/src/test/java/com/baeldung/docker/app/DockAppApplicationUnitTest.java @@ -0,0 +1,13 @@ +package com.baeldung.docker.app; + +import org.junit.jupiter.api.Test; +import org.springframework.boot.test.context.SpringBootTest; + +@SpringBootTest +class DockAppApplicationUnitTest { + + @Test + void contextLoads() { + } + +} diff --git a/docker/pom.xml b/docker/pom.xml index 3fcc9ca94f..f481f1b8b7 100644 --- a/docker/pom.xml +++ b/docker/pom.xml @@ -25,6 +25,7 @@ docker-internal-dto docker-spring-boot + docker-sample-app