Use maven shade plugin. Remove unused dependencies. Reformat classes

chrishantha · chrishantha · commit 361525ef589e · 2018-01-23T18:50:39.000+05:30
diff --git a/.gitignore b/.gitignore
@@ -8,8 +8,9 @@
 # virtual machine crash logs, see http://www.java.com/en/download/help/error_hotspot.xml
 hs_err_pid*
 
-#Maven Target
+#Maven
 target/
+dependency-reduced-pom.xml
 
 #Eclipse files
 .project
diff --git a/allocations/pom.xml b/allocations/pom.xml
@@ -29,14 +29,6 @@
     <packaging>jar</packaging>
     <name>allocations</name>
 
-    <dependencies>
-        <dependency>
-            <groupId>com.beust</groupId>
-            <artifactId>jcommander</artifactId>
-        </dependency>
-    </dependencies>
-
-
     <properties>
         <fully.qualified.main.class>com.github.chrishantha.sample.allocations.App</fully.qualified.main.class>
     </properties>
diff --git a/allocations/src/main/java/com/github/chrishantha/sample/allocations/App.java b/allocations/src/main/java/com/github/chrishantha/sample/allocations/App.java
@@ -1,12 +1,12 @@
 /*
  * Copyright 2017 M. Isuru Tharanga Chrishantha Perera
- * 
+ *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
- * 
+ *
  *     http://www.apache.org/licenses/LICENSE-2.0
- * 
+ *
  * Unless required by applicable law or agreed to in writing, software
  * distributed under the License is distributed on an "AS IS" BASIS,
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
diff --git a/highcpu/pom.xml b/highcpu/pom.xml
@@ -29,14 +29,6 @@
     <packaging>jar</packaging>
     <name>highcpu</name>
 
-    <dependencies>
-        <dependency>
-            <groupId>com.beust</groupId>
-            <artifactId>jcommander</artifactId>
-        </dependency>
-    </dependencies>
-
-
     <properties>
         <fully.qualified.main.class>com.github.chrishantha.sample.highcpu.App</fully.qualified.main.class>
     </properties>
diff --git a/highcpu/src/main/java/com/github/chrishantha/sample/highcpu/App.java b/highcpu/src/main/java/com/github/chrishantha/sample/highcpu/App.java
@@ -1,12 +1,12 @@
 /*
  * Copyright 2015 M. Isuru Tharanga Chrishantha Perera
- * 
+ *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
- * 
+ *
  *     http://www.apache.org/licenses/LICENSE-2.0
- * 
+ *
  * Unless required by applicable law or agreed to in writing, software
  * distributed under the License is distributed on an "AS IS" BASIS,
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
diff --git a/highcpu/src/main/java/com/github/chrishantha/sample/highcpu/HashingWorker.java b/highcpu/src/main/java/com/github/chrishantha/sample/highcpu/HashingWorker.java
@@ -1,12 +1,12 @@
 /*
  * Copyright 2015 M. Isuru Tharanga Chrishantha Perera
- * 
+ *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
- * 
+ *
  *     http://www.apache.org/licenses/LICENSE-2.0
- * 
+ *
  * Unless required by applicable law or agreed to in writing, software
  * distributed under the License is distributed on an "AS IS" BASIS,
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
diff --git a/highcpu/src/main/java/com/github/chrishantha/sample/highcpu/MathWorker.java b/highcpu/src/main/java/com/github/chrishantha/sample/highcpu/MathWorker.java
@@ -1,12 +1,12 @@
 /*
  * Copyright 2015 M. Isuru Tharanga Chrishantha Perera
- * 
+ *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
- * 
+ *
  *     http://www.apache.org/licenses/LICENSE-2.0
- * 
+ *
  * Unless required by applicable law or agreed to in writing, software
  * distributed under the License is distributed on an "AS IS" BASIS,
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
diff --git a/highcpu/src/main/java/com/github/chrishantha/sample/highcpu/SleepingWorker.java b/highcpu/src/main/java/com/github/chrishantha/sample/highcpu/SleepingWorker.java
@@ -1,12 +1,12 @@
 /*
  * Copyright 2015 M. Isuru Tharanga Chrishantha Perera
- * 
+ *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
- * 
+ *
  *     http://www.apache.org/licenses/LICENSE-2.0
- * 
+ *
  * Unless required by applicable law or agreed to in writing, software
  * distributed under the License is distributed on an "AS IS" BASIS,
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
diff --git a/hotmethods/pom.xml b/hotmethods/pom.xml
@@ -29,14 +29,6 @@
     <packaging>jar</packaging>
     <name>hotmethods</name>
 
-    <dependencies>
-        <dependency>
-            <groupId>com.beust</groupId>
-            <artifactId>jcommander</artifactId>
-        </dependency>
-    </dependencies>
-
-
     <properties>
         <fully.qualified.main.class>com.github.chrishantha.sample.hotmethods.App</fully.qualified.main.class>
     </properties>
diff --git a/hotmethods/src/main/java/com/github/chrishantha/sample/hotmethods/App.java b/hotmethods/src/main/java/com/github/chrishantha/sample/hotmethods/App.java
@@ -1,12 +1,12 @@
 /*
  * Copyright 2017 M. Isuru Tharanga Chrishantha Perera
- * 
+ *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
- * 
+ *
  *     http://www.apache.org/licenses/LICENSE-2.0
- * 
+ *
  * Unless required by applicable law or agreed to in writing, software
  * distributed under the License is distributed on an "AS IS" BASIS,
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
diff --git a/latencies/pom.xml b/latencies/pom.xml
@@ -29,14 +29,6 @@
     <packaging>jar</packaging>
     <name>latencies</name>
 
-    <dependencies>
-        <dependency>
-            <groupId>com.beust</groupId>
-            <artifactId>jcommander</artifactId>
-        </dependency>
-    </dependencies>
-
-
     <properties>
         <fully.qualified.main.class>com.github.chrishantha.sample.latencies.App</fully.qualified.main.class>
     </properties>
diff --git a/latencies/src/main/java/com/github/chrishantha/sample/latencies/App.java b/latencies/src/main/java/com/github/chrishantha/sample/latencies/App.java
@@ -1,12 +1,12 @@
 /*
  * Copyright 2017 M. Isuru Tharanga Chrishantha Perera
- * 
+ *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
- * 
+ *
  *     http://www.apache.org/licenses/LICENSE-2.0
- * 
+ *
  * Unless required by applicable law or agreed to in writing, software
  * distributed under the License is distributed on an "AS IS" BASIS,
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
diff --git a/pom.xml b/pom.xml
@@ -16,17 +16,13 @@
 -->
 <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/maven-v4_0_0.xsd">
-    <parent>
-        <groupId>org.apache</groupId>
-        <artifactId>apache</artifactId>
-        <version>18</version>
-    </parent>
+    <modelVersion>4.0.0</modelVersion>
 
     <groupId>com.github.chrishantha.sample</groupId>
     <artifactId>java-samples</artifactId>
     <version>0.0.2-SNAPSHOT</version>
-    <modelVersion>4.0.0</modelVersion>
     <packaging>pom</packaging>
+
     <name>Java Samples</name>
     <description>Java Sample Code to be used in examples (in blog, etc)</description>
     <inceptionYear>2015</inceptionYear>
@@ -43,7 +39,7 @@
         <url>https://github.com/chrishantha/sample-java-programs.git</url>
         <developerConnection>scm:git:https://github.com/chrishantha/sample-java-programs.git</developerConnection>
         <connection>scm:git:https://github.com/chrishantha/sample-java-programs.git</connection>
-        <tag>v0.0.1</tag>
+        <tag>HEAD</tag>
     </scm>
 
     <modules>
@@ -60,57 +56,13 @@
                 <artifactId>jcommander</artifactId>
                 <version>${jcommander.version}</version>
             </dependency>
-            <dependency>
-                <groupId>io.dropwizard.metrics</groupId>
-                <artifactId>metrics-core</artifactId>
-                <version>${metrics.version}</version>
-            </dependency>
-            <dependency>
-                <groupId>io.dropwizard.metrics</groupId>
-                <artifactId>metrics-jvm</artifactId>
-                <version>${metrics.version}</version>
-            </dependency>
-            <dependency>
-                <groupId>org.slf4j</groupId>
-                <artifactId>slf4j-api</artifactId>
-                <version>${slf4j.version}</version>
-            </dependency>
-            <dependency>
-                <groupId>org.slf4j</groupId>
-                <artifactId>slf4j-log4j12</artifactId>
-                <version>${slf4j.version}</version>
-            </dependency>
-            <dependency>
-                <groupId>log4j</groupId>
-                <artifactId>log4j</artifactId>
-                <version>${log4j.version}</version>
-            </dependency>
-            <dependency>
-                <groupId>junit</groupId>
-                <artifactId>junit</artifactId>
-                <version>${junit.version}</version>
-                <scope>test</scope>
-            </dependency>
         </dependencies>
     </dependencyManagement>
 
     <dependencies>
         <dependency>
-            <groupId>junit</groupId>
-            <artifactId>junit</artifactId>
-            <scope>test</scope>
-        </dependency>
-        <dependency>
-            <groupId>org.slf4j</groupId>
-            <artifactId>slf4j-api</artifactId>
-        </dependency>
-        <dependency>
-            <groupId>org.slf4j</groupId>
-            <artifactId>slf4j-log4j12</artifactId>
-        </dependency>
-        <dependency>
-            <groupId>log4j</groupId>
-            <artifactId>log4j</artifactId>
+            <groupId>com.beust</groupId>
+            <artifactId>jcommander</artifactId>
         </dependency>
     </dependencies>
 
@@ -119,50 +71,34 @@
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-compiler-plugin</artifactId>
+                <version>3.7.0</version>
                 <configuration>
-                    <source>1.8</source>
-                    <target>1.8</target>
-                </configuration>
-            </plugin>
-            <plugin>
-                <groupId>org.apache.maven.plugins</groupId>
-                <artifactId>maven-release-plugin</artifactId>
-                <configuration>
-                    <preparationGoals>clean install</preparationGoals>
-                    <autoVersionSubmodules>true</autoVersionSubmodules>
+                    <compilerVersion>${javac.target}</compilerVersion>
+                    <source>${javac.target}</source>
+                    <target>${javac.target}</target>
                 </configuration>
             </plugin>
+
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
-                <artifactId>maven-dependency-plugin</artifactId>
+                <artifactId>maven-shade-plugin</artifactId>
+                <version>3.1.0</version>
                 <executions>
                     <execution>
-                        <id>copy-dependencies</id>
-                        <phase>package</phase>
                         <goals>
-                            <goal>copy-dependencies</goal>
+                            <goal>shade</goal>
                         </goals>
                         <configuration>
-                            <outputDirectory>${project.build.directory}/lib</outputDirectory>
-                            <useRepositoryLayout>true</useRepositoryLayout>
+                            <transformers>
+                                <transformer
+                                        implementation="org.apache.maven.plugins.shade.resource.ManifestResourceTransformer">
+                                    <mainClass>${fully.qualified.main.class}</mainClass>
+                                </transformer>
+                            </transformers>
                         </configuration>
                     </execution>
                 </executions>
             </plugin>
-
-            <plugin>
-                <groupId>org.apache.maven.plugins</groupId>
-                <artifactId>maven-jar-plugin</artifactId>
-                <configuration>
-                    <archive>
-                        <manifest>
-                            <addClasspath>true</addClasspath>
-                            <classpathPrefix>lib/</classpathPrefix>
-                            <mainClass>${fully.qualified.main.class}</mainClass>
-                        </manifest>
-                    </archive>
-                </configuration>
-            </plugin>
         </plugins>
         <finalName>${project.name}</finalName>
     </build>
@@ -195,19 +131,9 @@
         </profile>
     </profiles>
 
-    <repositories>
-        <repository>
-            <id>jcenter</id>
-            <url>https://jcenter.bintray.com/</url>
-        </repository>
-    </repositories>
-
     <properties>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-        <junit.version>4.12</junit.version>
-        <jcommander.version>1.71</jcommander.version>
-        <metrics.version>3.2.2</metrics.version>
-        <slf4j.version>1.7.25</slf4j.version>
-        <log4j.version>1.2.17</log4j.version>
+        <javac.target>1.8</javac.target>
+        <jcommander.version>1.72</jcommander.version>
     </properties>
 </project>
