Refactoring of the OptionsParser implementation to allow overriding the value of an option with null.

Currently it returns the original default value if the new value is null.

--
MOS_MIGRATED_REVID=115442253

GitOrigin-RevId: dafdc2854bc74bb8bf09abe9932160dd4a5bb1fb
Change-Id: I152c25605889e0b5862231324f466991708580d1

1 files changed, 9 insertions, 11 deletions

diff --git a/java/com/google/devtools/common/options/OptionsParserImpl.java b/java/com/google/devtools/common/options/OptionsParserImpl.java
index 48dac23..96fb496 100644
--- a/java/com/google/devtools/common/options/OptionsParserImpl.java
+++ b/java/com/google/devtools/common/options/OptionsParserImpl.java
@@ -244,7 +244,7 @@ class OptionsParserImpl {
       = LinkedHashMultimap.create();
 
   private final List<String> warnings = Lists.newArrayList();
-  
+
   private boolean allowSingleDashLongOptions = false;
 
   /**
@@ -261,7 +261,7 @@ class OptionsParserImpl {
   void setAllowSingleDashLongOptions(boolean allowSingleDashLongOptions) {
     this.allowSingleDashLongOptions = allowSingleDashLongOptions;
   }
-  
+
   /**
    * The implementation of {@link OptionsBase#asMap}.
    */
@@ -468,11 +468,6 @@ class OptionsParserImpl {
     }
   }
 
-  private Object getValue(Field field) {
-    ParsedOptionEntry entry = parsedValues.get(field);
-    return entry == null ? null : entry.getValue();
-  }
-
   OptionValueDescription getOptionValueDescription(String name) {
     Field field = optionsData.getFieldFromName(name);
     if (field == null) {
@@ -659,7 +654,7 @@ class OptionsParserImpl {
                 sourceFunction.apply(originalName),
                 expandedFrom == null);
         unparsedValues.add(unparsedOptionValueDescription);
-        if (option.allowMultiple()) {          
+        if (option.allowMultiple()) {
           canonicalizeValues.put(field, unparsedOptionValueDescription);
         } else {
           canonicalizeValues.replaceValues(field, ImmutableList.of(unparsedOptionValueDescription));
@@ -754,9 +749,12 @@ class OptionsParserImpl {
 
     // Set the fields
     for (Field field : optionsData.getFieldsForClass(optionsClass)) {
-      Object value = getValue(field);
-      if (value == null) {
+      Object value;
+      ParsedOptionEntry entry = parsedValues.get(field);
+      if (entry == null) {
         value = optionsData.getDefaultValue(field);
+      } else {
+        value = entry.getValue();
       }
       try {
         field.set(optionsInstance, value);
@@ -814,4 +812,4 @@ class OptionsParserImpl {
       throw new AssertionError(e);
     }
   }
-}
+}
\ No newline at end of file