Use StringBuilder instead of StringBuffer, optimize

[cql-java-moved-to-github.git] / src / main / java / org / z3950 / zing / cql / CQLSortNode.java

diff --git a/src/main/java/org/z3950/zing/cql/CQLSortNode.java b/src/main/java/org/z3950/zing/cql/CQLSortNode.java
index 1c3aa14..55e69d5 100644 (file)
--- a/src/main/java/org/z3950/zing/cql/CQLSortNode.java
+++ b/src/main/java/org/z3950/zing/cql/CQLSortNode.java
@@ -52,13 +52,13 @@ public class CQLSortNode extends CQLNode {
 
     @Override
     public String toCQL() {
-       StringBuffer buf = new StringBuffer(subtree.toCQL());
+       StringBuilder buf = new StringBuilder(subtree.toCQL());
 
        if (keys != null) {
            buf.append(" sortby");
            for (int i = 0; i < keys.size(); i++) {
                ModifierSet key = keys.get(i);
-               buf.append(" " + key.toCQL());
+               buf.append(" ").append(key.toCQL());
            }
        }