Extract guava-2

guava-2/.gitignore

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+*.class
+
+#folders#
+/target
+/neoDb*
+/data
+/src/main/webapp/WEB-INF/classes
+*/META-INF/*
+
+# Packaged files #
+*.jar
+*.war
+*.ear

guava-2/README.md

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+## Guava
+
+This module contains articles a Google Guava
+
+### Relevant Articles: 
+- [Introduction to Guava Throwables](https://www.baeldung.com/guava-throwables)

guava-2/pom.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<project
+    xmlns="http://maven.apache.org/POM/4.0.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+    <artifactId>guava</artifactId>
+    <version>0.1.0-SNAPSHOT</version>
+    <name>guava</name>
+
+    <parent>
+        <groupId>com.baeldung</groupId>
+        <artifactId>parent-java</artifactId>
+        <version>0.0.1-SNAPSHOT</version>
+        <relativePath>../parent-java</relativePath>
+    </parent>
+
+    <dependencies>
+        <dependency>
+            <groupId>org.apache.commons</groupId>
+            <artifactId>commons-lang3</artifactId>
+            <version>${commons-lang3.version}</version>
+        </dependency>
+        <!-- test scoped -->
+        <dependency>
+            <groupId>org.assertj</groupId>
+            <artifactId>assertj-core</artifactId>
+            <version>${assertj.version}</version>
+            <scope>test</scope>
+        </dependency>
+    </dependencies>
+
+    <build>
+        <finalName>guava</finalName>
+        <resources>
+            <resource>
+                <directory>src/main/resources</directory>
+                <filtering>true</filtering>
+            </resource>
+        </resources>
+    </build>
+
+    <properties>
+        <!-- testing -->
+        <assertj.version>3.6.1</assertj.version>
+    </properties>
+
+</project>

guava-2/src/test/java/com/baeldung/guava/throwables/ThrowablesUnitTest.java

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+package com.baeldung.guava.throwables;
+
+import com.google.common.base.Throwables;
+import org.junit.Test;
+
+import java.util.function.Supplier;
+
+public class ThrowablesUnitTest {
+
+    @Test(expected = RuntimeException.class)
+    public void whenThrowable_shouldWrapItInRuntimeException() throws Exception {
+        try {
+            throwThrowable(Throwable::new);
+        } catch (Throwable t) {
+            Throwables.propagateIfPossible(t, Exception.class);
+            throw new RuntimeException(t);
+        }
+    }
+
+    @Test(expected = Error.class)
+    public void whenError_shouldPropagateAsIs() throws Exception {
+        try {
+            throwThrowable(Error::new);
+        } catch (Throwable t) {
+            Throwables.propagateIfPossible(t, Exception.class);
+            throw new RuntimeException(t);
+        }
+    }
+
+    @Test(expected = Exception.class)
+    public void whenException_shouldPropagateAsIs() throws Exception {
+        try {
+            throwThrowable(Exception::new);
+        } catch (Throwable t) {
+            Throwables.propagateIfPossible(t, Exception.class);
+            throw new RuntimeException(t);
+        }
+    }
+
+    private <T extends Throwable> void throwThrowable(Supplier<T> exceptionSupplier) throws Throwable {
+        throw exceptionSupplier.get();
+    }
+
+}

guava-2/src/test/resources/.gitignore

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+*.class
+
+#folders#
+/target
+/neoDb*
+/data
+/src/main/webapp/WEB-INF/classes
+*/META-INF/*
+
+# Packaged files #
+*.jar
+*.war
+*.ear

guava-2/src/test/resources/test.out

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+John Jane Adam Tom 

guava-2/src/test/resources/test1.in

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+Hello world

guava-2/src/test/resources/test1_1.in

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+Test

guava-2/src/test/resources/test2.in

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+John
+Jane
+Adam
+Tom

guava-2/src/test/resources/test_copy.in

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+Hello world