Support more options from google formatter

- skipRemovingUnusedImports defaults to false
- skipReflowingLongStrings defaults to true for backwards compatibility

Author: scch-michael-pfeiffer

src/main/java/com/spotify/fmt/AbstractFMT.java

@@ -82,6 +82,12 @@ public abstract class AbstractFMT extends AbstractMojo {
   @Parameter(defaultValue = "false", property = "skipSortingImports")
   private boolean skipSortingImports = false;
 
+  @Parameter(defaultValue = "false", property = "skipRemovingUnusedImports")
+  private boolean skipRemovingUnusedImports = false;
+
+  @Parameter(defaultValue = "true", property = "skipReflowingLongStrings")
+  private boolean skipReflowingLongStrings = true;
+
   @Parameter(defaultValue = "google", property = "style")
   private String style;
 
@@ -121,6 +127,12 @@ public void execute() throws MojoFailureException {
     if (skipSortingImports) {
       getLog().info("Skipping sorting imports");
     }
+    if (skipRemovingUnusedImports) {
+        getLog().info("Skipping removing unused imports");
+      }
+    if (skipReflowingLongStrings) {
+        getLog().info("Skipping reflowing long strings");
+      }
     List<File> directoriesToFormat = new ArrayList<>();
     if (sourceDirectory.exists() && !skipSourceDirectory) {
       directoriesToFormat.add(sourceDirectory);
@@ -150,6 +162,8 @@ public void execute() throws MojoFailureException {
             .filesPathPattern(filesPathPattern)
             .verbose(verbose)
             .skipSortingImports(skipSortingImports)
+            .skipRemovingUnusedImports(skipRemovingUnusedImports)
+            .skipReflowingLongStrings(skipReflowingLongStrings)
             .writeReformattedFiles(shouldWriteReformattedFiles())
             .processingLabel(getProcessingLabel())
             .build();

src/main/java/com/spotify/fmt/Formatter.java

@@ -33,6 +33,8 @@
 import com.google.googlejavaformat.java.JavaFormatterOptions;
 import com.google.googlejavaformat.java.JavaFormatterOptions.Style;
 import com.google.googlejavaformat.java.RemoveUnusedImports;
+import com.google.googlejavaformat.java.StringWrapper;
+
 import java.io.File;
 import java.io.FileFilter;
 import java.io.IOException;
@@ -154,10 +156,15 @@ private boolean formatSourceFile(
     try {
       String input = source.read();
       String formatted = formatter.formatSource(input);
-      formatted = RemoveUnusedImports.removeUnusedImports(formatted);
+      if (!cfg.skipRemovingUnusedImports()) {
+          formatted = RemoveUnusedImports.removeUnusedImports(formatted);
+      }
       if (!cfg.skipSortingImports()) {
         formatted = ImportOrderer.reorderImports(formatted, style);
       }
+      if (!cfg.skipReflowingLongStrings()) {
+          formatted = StringWrapper.wrap(formatted, formatter);
+      }
       if (!input.equals(formatted)) {
         if (cfg.writeReformattedFiles()) {
           CharSink sink = com.google.common.io.Files.asCharSink(file, Charsets.UTF_8);

src/main/java/com/spotify/fmt/FormattingConfiguration.java

@@ -45,6 +45,10 @@ interface FormattingConfiguration extends Serializable {
   String filesPathPattern();
 
   boolean skipSortingImports();
+  
+  boolean skipRemovingUnusedImports();
+  
+  boolean skipReflowingLongStrings();
 
   boolean writeReformattedFiles();