Allow define lineseparator for strip-jaxb (#71)

Co-authored-by: Lumír Návrat <[email protected]>

src/main/java/io/github/zlika/reproducible/LineNumberStripper.java

@@ -26,15 +26,19 @@
 /** Removes a given line in a text file based on the line number. */
 class LineNumberStripper implements Stripper
 {
-    private int lineNumber;
-
+    private final int lineNumber;
+    private final LineSeparators lineSeparator;
+
     /**
      * Constructor.
+     *
      * @param lineNumber the line number to remove.
+     * @param lineEnding the line ending of file.
      */
-    public LineNumberStripper(int lineNumber)
+    public LineNumberStripper(int lineNumber, LineSeparators lineEnding)
     {
         this.lineNumber = lineNumber;
+        this.lineSeparator = lineEnding;
     }
 
     @Override
@@ -51,7 +55,7 @@ public void strip(File in, File out) throws IOException
                     try
                     {
                         writer.write(lines.get(i));
-                        writer.write("\r\n");
+                        writer.write(lineSeparator.get());
                     }
                     catch (IOException e)
                     {

src/main/java/io/github/zlika/reproducible/LineSeparators.java

@@ -0,0 +1,50 @@
+/*
+ * 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.
+ */
+
+package io.github.zlika.reproducible;
+
+public enum LineSeparators
+{
+    /**
+     * windows line separator.
+     */
+    CRLF("\r\n"),
+
+    /**
+     * unix line separator.
+     */
+    LF("\n"),
+
+    /**
+     * mac line separator.
+     */
+    CR("\r"),
+
+    /**
+     * system derived line separator.
+     */
+    SYSTEM(System.lineSeparator());
+
+    private final String lineSeparator;
+
+    LineSeparators(String lineSeparator)
+    {
+        this.lineSeparator = lineSeparator;
+    }
+
+    public String get()
+    {
+        return lineSeparator;
+    }
+}

src/main/java/io/github/zlika/reproducible/StripJaxbMojo.java

@@ -113,6 +113,9 @@ public String getMatchingCommentText()
     @Parameter(defaultValue = "", property = "reproducible.matchingCommentText")
     private String matchingCommentText;
 
+    @Parameter(defaultValue = "CRLF", property = "reproducible.lineSeparator")
+    private LineSeparators lineSeparator;
+
     @Override
     public void execute() throws MojoExecutionException
     {
@@ -135,8 +138,10 @@ private void fix() throws MojoExecutionException
         final Charset charset = Charset.forName(encoding);
         final JaxbObjectFactoryFixer objectFactoryFixer = new JaxbObjectFactoryFixer(getMatchingCommentTexts(),
                 charset);
-        final LineNumberStripper jaxbFileDateStripper = new LineNumberStripper(JAXB_FILE_TIMESTAMP_LINE_NUMBER);
-        final LineNumberStripper jaxbEpisodeDateStripper = new LineNumberStripper(JAXB_EPISODE_TIMESTAMP_LINE_NUMBER);
+        final LineNumberStripper jaxbFileDateStripper =
+            new LineNumberStripper(JAXB_FILE_TIMESTAMP_LINE_NUMBER, lineSeparator);
+        final LineNumberStripper jaxbEpisodeDateStripper =
+            new LineNumberStripper(JAXB_EPISODE_TIMESTAMP_LINE_NUMBER, lineSeparator);
         final File tmpFile = createTempFile();
 
         try