Replace StringBuffer with StringBuilder in CGLIB fork

spring-core/src/main/java/org/springframework/cglib/beans/BeanMap.java

@@ -316,7 +316,7 @@ abstract public class BeanMap implements Map {
      */
     public String toString()
     {
-        StringBuffer sb = new StringBuffer();
+        StringBuilder sb = new StringBuilder();
         sb.append('{');
         for (Iterator it = keySet().iterator(); it.hasNext();) {
             Object key = it.next();

spring-core/src/main/java/org/springframework/cglib/core/TypeUtils.java

@@ -171,7 +171,7 @@ public class TypeUtils {
         int rparen = s.indexOf(')', lparen);
         String returnType = s.substring(0, space);
         String methodName = s.substring(space + 1, lparen);
-        StringBuffer sb = new StringBuffer();
+		StringBuilder sb = new StringBuilder();
         sb.append('(');
         for (Iterator it = parseTypes(s, lparen + 1, rparen).iterator(); it.hasNext();) {
             sb.append(it.next());
@@ -195,7 +195,7 @@ public class TypeUtils {
     }
 
     public static Signature parseConstructor(Type[] types) {
-        StringBuffer sb = new StringBuffer();
+		StringBuilder sb = new StringBuilder();
         sb.append("(");
         for (int i = 0; i < types.length; i++) {
             sb.append(types[i].getDescriptor());
@@ -233,7 +233,7 @@ public class TypeUtils {
         } else if (type.indexOf('.') < 0) {
             return map("java.lang." + type);
         } else {
-            StringBuffer sb = new StringBuffer();
+			StringBuilder sb = new StringBuilder();
             int index = 0;
             while ((index = type.indexOf("[]", index) + 1) > 0) {
                 sb.append('[');
@@ -402,7 +402,7 @@ public class TypeUtils {
     }
 
     public static String escapeType(String s) {
-        StringBuffer sb = new StringBuffer();
+		StringBuilder sb = new StringBuilder();
         for (int i = 0, len = s.length(); i < len; i++) {
             char c = s.charAt(i);
             switch (c) {

spring-core/src/main/java/org/springframework/cglib/reflect/FastClass.java

@@ -196,7 +196,7 @@ abstract public class FastClass
     abstract public int getMaxIndex();
 
     protected static String getSignatureWithoutReturnType(String name, Class[] parameterTypes) {
-        StringBuffer sb = new StringBuffer();
+		StringBuilder sb = new StringBuilder();
         sb.append(name);
         sb.append('(');
         for (int i = 0; i < parameterTypes.length; i++) {

spring-core/src/main/java/org/springframework/cglib/transform/ClassTransformerChain.java

@@ -44,7 +44,7 @@ public class ClassTransformerChain extends AbstractClassTransformer {
     }
 
     public String toString() {
-        StringBuffer sb = new StringBuffer();
+		StringBuilder sb = new StringBuilder();
         sb.append("ClassTransformerChain{");
         for (int i = 0; i < chain.length; i++) {
             if (i > 0) {