Change to Unix line-ending (\n) & double space indentation

build.gradle

@@ -10,14 +10,16 @@ plugins {
 
     /* Generate Java code from XSD */
     id 'org.unbroken-dome.xjc' version '2.0.0'
+
+    id 'checkstyle'
 }
 
 apply plugin: "edu.sc.seis.launch4j"
 
 version '2.3.0'
 
-sourceCompatibility = 7
-targetCompatibility = 7
+sourceCompatibility = 8
+targetCompatibility = 8
 
 project.mainClassName = 'listfix.view.GUIScreen'
 
@@ -102,6 +104,10 @@ tasks.register('makeIcon', Svg2IcoTask) {
 	  destination = new File('website/favicon.ico')
 }
 
+tasks.withType(Checkstyle) {
+    exclude 'listfix/model/playlists/winamp/generated/**.java'
+}
+
 // https://github.com/TheBoegl/gradle-launch4j
 launch4j {
     headerType='gui'

config/checkstyle/checkstyle.xml

@@ -0,0 +1,108 @@
+<?xml version="1.0"?>
+<!DOCTYPE module PUBLIC
+    "-//Puppy Crawl//DTD Check Configuration 1.2//EN"
+    "http://www.puppycrawl.com/dtds/configuration_1_2.dtd">
+
+<module name="Checker">
+  <!--Checks whether files end with a new line.-->
+  <module name="NewlineAtEndOfFile">
+    <property name="lineSeparator" value="lf"/>
+    <property name="fileExtensions" value="java, xml, properties, js, html, css" />
+  </module>
+
+  <module name="FileLength">
+    <property name="max" value="4000"/>
+  </module>
+
+  <!--	<module name="LineLength">
+      <property name="max" value="180"/>
+    </module>-->
+
+  <module name="FileTabCharacter"/>
+
+  <module name="TreeWalker">
+    <module name="RegexpSinglelineJava">
+      <property name="format" value="\s+$"/>
+      <property name="message" value="Line has trailing whitespace."/>
+      <property name="ignoreComments" value="true"/>
+    </module>
+
+    <!--Checks for imports-->
+    <!--<module name="AvoidStarImport"/>-->
+    <module name="IllegalImport"/>
+    <module name="RedundantImport"/>
+    <module name="UnusedImports"/>
+    <module name="MethodParamPad">
+      <property name="option" value="nospace"/>
+      <property name="allowLineBreaks" value="false"/>
+    </module>
+
+    <!--Checks for Size Violations.-->
+    <module name="MethodLength">
+      <property name="max" value="700"/>
+    </module>
+    <module name="ParameterNumber">
+      <property name="max" value="20"/>
+    </module>
+
+    <!--Checks for whitespace-->
+    <module name="EmptyForIteratorPad"/>
+    <module name="MethodParamPad"/>
+    <module name="NoWhitespaceAfter"/>
+    <module name="NoWhitespaceBefore"/>
+    <!--<module name="OperatorWrap"/>-->
+    <module name="WhitespaceAfter">
+      <property name="tokens" value="COMMA, SEMI, LITERAL_IF, LITERAL_ELSE, LITERAL_WHILE, LITERAL_DO, LITERAL_FOR, DO_WHILE "/>
+    </module>
+    <module name="ParenPad"/>
+    <module name="TypecastParenPad"/>
+    <module name="GenericWhitespace"/>
+
+    <!--Modifier Checks-->
+    <module name="ModifierOrder"/>
+    <module name="RedundantModifier"/>
+    <module name="PackageAnnotation"/>
+
+    <!--Checks for blocks. You know, those {}'s-->
+    <module name="AvoidNestedBlocks"/>
+    <module name="EmptyBlock">
+      <property name="option" value="text"/>
+      <property name="tokens" value="LITERAL_TRY"/>
+    </module>
+    <module name="LeftCurly">
+      <property name="option" value="nl"/>
+      <property name="tokens" value="CLASS_DEF,INTERFACE_DEF"/>
+    </module>
+    <module name="RightCurly">
+      <property name="option" value="alone_or_singleline"/>
+      <property name="tokens" value="LITERAL_IF, METHOD_DEF"/>
+    </module>
+
+    <!--Checks for common coding problems-->
+    <module name="InnerAssignment"/>
+    <module name="EmptyStatement"/>
+    <module name="EqualsHashCode"/>
+    <module name="IllegalInstantiation"/>
+    <module name="SimplifyBooleanExpression"/>
+    <module name="SimplifyBooleanReturn"/>
+    <module name="CovariantEquals"/>
+    <module name="ModifiedControlVariable"/>
+    <module name="OneStatementPerLine"/>
+    <module name="EmptyStatement"/>
+    <module name="DefaultComesLast"/>
+
+    <!--Checks for class design-->
+<!--    <module name="VisibilityModifier"/>-->
+    <module name="FinalClass"/>
+    <module name="InterfaceIsType"/>
+
+    <!--Miscellaneous other checks.-->
+    <module name="ArrayTypeStyle"/>
+    <module name="TodoComment"/>
+    <module name="UpperEll"/>
+    <module name="CyclomaticComplexity">
+      <property name="max" value="36"/>
+    </module>
+
+  </module>
+</module>

src/commons-logging.properties

@@ -1,2 +1,2 @@
-# Configuration of the logging service occurs in file "simplelog.properties".
-org.apache.commons.logging.Log=org.apache.commons.logging.impl.SimpleLog
+# Configuration of the logging service occurs in file "simplelog.properties".
+org.apache.commons.logging.Log=org.apache.commons.logging.impl.SimpleLog