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RemoveUnusedImports #1266

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RemoveUnusedImports #1266

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13 changes: 12 additions & 1 deletion core/src/main/java/com/google/googlejavaformat/java/RemoveUnusedImports.java
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Original file line number Diff line number Diff line change
Expand Up @@ -273,6 +273,8 @@ private static RangeMap<Integer, String> buildReplacements(
Set<String> usedNames,
Multimap<String, Range<Integer>> usedInJavadoc) {
RangeMap<Integer, String> replacements = TreeRangeMap.create();
int size = unit.getImports().size();
JCTree lastImport = size > 0 ? unit.getImports().get(size - 1) : null;
for (JCTree importTree : unit.getImports()) {
String simpleName = getSimpleName(importTree);
if (!isUnused(unit, usedNames, usedInJavadoc, importTree, simpleName)) {
Expand All @@ -286,6 +288,12 @@ private static RangeMap<Integer, String> buildReplacements(
&& contents.subSequence(endPosition, endPosition + sep.length()).toString().equals(sep)) {
endPosition += sep.length();
}
if (size == 1 || importTree != lastImport) {
while (endPosition + sep.length() <= contents.length()
&& contents.regionMatches(endPosition, sep, 0, sep.length())) {
endPosition += sep.length();
}
}
replacements.put(Range.closedOpen(importTree.getStartPosition(), endPosition), "");
}
return replacements;
Expand All @@ -306,10 +314,13 @@ private static boolean isUnused(
if (qualifier.equals("java.lang")) {
return true;
}
if(usedNames.contains(simpleName)){
return false;
}
if (unit.getPackageName() != null && unit.getPackageName().toString().equals(qualifier)) {
return true;
}
if (qualifiedIdentifier.getIdentifier().contentEquals("*")) {
if (qualifiedIdentifier.getIdentifier().contentEquals("*") && !((JCImport) importTree).isStatic()) {
return false;
}

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