Use isEmpty() instead of length() to check if collection is emptyI20190615-1800I20190614-1800

Change-Id: I0106dd0c2ddfa318375877d4562068d82aa9ac5f
Signed-off-by: Lars Vogel <Lars.Vogel@vogella.com>

1 files changed, 3 insertions, 3 deletions

diff --git a/org.eclipse.ui.genericeditor/src/org/eclipse/ui/internal/genericeditor/folding/IndentFoldingStrategy.java b/org.eclipse.ui.genericeditor/src/org/eclipse/ui/internal/genericeditor/folding/IndentFoldingStrategy.java
index 19a56b9e6c7..730070d9694 100644
--- a/org.eclipse.ui.genericeditor/src/org/eclipse/ui/internal/genericeditor/folding/IndentFoldingStrategy.java
+++ b/org.eclipse.ui.genericeditor/src/org/eclipse/ui/internal/genericeditor/folding/IndentFoldingStrategy.java
@@ -266,7 +266,7 @@ public class IndentFoldingStrategy implements IReconcilingStrategy, IReconciling
 
 			// be sure projection has not been disabled
 			if (projectionAnnotationModel != null) {
-				if (existing.size() > 0) {
+				if (!existing.isEmpty()) {
 					deletions.addAll(existing);
 				}
 				// send the calculated updates to the annotations to the
@@ -305,7 +305,7 @@ public class IndentFoldingStrategy implements IReconcilingStrategy, IReconciling
 			// The line starts with the given keyword (ex: starts with "import")
 			return LineState.StartWithKeyWord;
 		}
-		if (lastLineForKeyword != null && (lineContent == null || lineContent.trim().length() == 0)) {
+		if (lastLineForKeyword != null && (lineContent == null || lineContent.trim().isEmpty())) {
 			// a last line for keyword was defined, line is empty
 			return LineState.EmptyLine;
 		}
@@ -377,7 +377,7 @@ public class IndentFoldingStrategy implements IReconcilingStrategy, IReconciling
 		int startOffset = document.getLineOffset(line);
 		int endOffset = document.getLineOffset(endLineNumber) + document.getLineLength(endLineNumber);
 		Position newPos = new Position(startOffset, endOffset - startOffset);
-		if (existing.size() > 0) {
+		if (!existing.isEmpty()) {
 			FoldingAnnotation existingAnnotation = existing.remove(existing.size() - 1);
 			updateAnnotations(existingAnnotation, newPos, modifications, deletions);
 		} else {