Updated checkstyle config to check for license headers and ignore them

when checking for duplicated code

Fiexed all files which missing or invalid headers

Author: cboehme

pom.xml

@@ -289,6 +289,7 @@
 						<version>2.6</version>
 						<configuration>
 							<configLocation>${basedir}/quality_assurance/checkstyle_rules.xml</configLocation>
+							<propertyExpansion>basedir=${basedir}</propertyExpansion>
 						</configuration>
 						<executions>
 							<execution>

quality_assurance/checkstyle-suppressions.xml

@@ -0,0 +1,17 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE suppressions PUBLIC
+     "-//Puppy Crawl//DTD Suppressions 1.0//EN"
+     "http://www.puppycrawl.com/dtds/suppressions_1_0.dtd">
+
+<suppressions>
+	<!-- Ignore license headers: -->
+	<suppress 
+		files=".*\.java" 
+		lines="1-15"
+		checks="StrictDuplicateCode"/>
+		
+	<!-- Ignore files generated by ANTLR: -->
+	<suppress
+		files="(FlowBuilder|FluxLexer|FluxParser)\.java"
+		checks=".*"/>
+</suppressions>

quality_assurance/checkstyle_rules.xml

@@ -112,6 +112,13 @@
     <module name="JavadocType"/>
   </module>
   <module name="StrictDuplicateCode"/>
+  <module name="Header">
+    <property name="headerFile" value="${basedir}/quality_assurance/java-header.txt"/>
+    <property name="fileExtensions" value="java"/>
+  </module>
+  <module name="SuppressionFilter">
+    <property name="file" value="${basedir}/quality_assurance/checkstyle-suppressions.xml"/>
+  </module>
   <module name="SuppressionCommentFilter">
     <property name="offCommentFormat" value="CHECKSTYLE OFF\: ([\w\|]+)"/>
     <property name="onCommentFormat" value="CHECKSTYLE ON\: ([\w\|]+)"/>

quality_assurance/java-header.txt

@@ -0,0 +1,15 @@
+/*
+ *  Copyright 2013 Deutsche Nationalbibliothek
+ *
+ *  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.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */

src/main/java/org/culturegraph/mf/morph/collectors/Choose.java

@@ -1,6 +1,3 @@
-/**
- * 
- */
 /*
  *  Copyright 2013 Deutsche Nationalbibliothek
  *

src/main/java/org/culturegraph/mf/morph/functions/Buffer.java

@@ -1,6 +1,3 @@
-/**
- * 
- */
 /*
  *  Copyright 2013 Deutsche Nationalbibliothek
  *

src/main/java/org/culturegraph/mf/morph/functions/Count.java

@@ -1,6 +1,3 @@
-/**
- * 
- */
 /*
  *  Copyright 2013 Deutsche Nationalbibliothek
  *

src/main/java/org/culturegraph/mf/morph/functions/IfNotReceived.java

@@ -1,6 +1,3 @@
-/**
- * 
- */
 /*
  *  Copyright 2013 Deutsche Nationalbibliothek
  *

src/main/java/org/culturegraph/mf/morph/functions/NormalizeUTF8.java

@@ -1,6 +1,3 @@
-/**
- * 
- */
 /*
  *  Copyright 2013 Deutsche Nationalbibliothek
  *

src/main/java/org/culturegraph/mf/morph/functions/Occurrence.java

@@ -1,6 +1,3 @@
-/**
- * 
- */
 /*
  *  Copyright 2013 Deutsche Nationalbibliothek
  *