Replaced StringBuffer with StringBuilder throughout.

Author: Steve Powell

codegen.py

@@ -300,7 +300,7 @@ def optionalValueClause(jField, jType):
                        % (f.name, optionalValueClause(java_field_name(f.name), java_field_type(spec, f.domain)))
                        for f in c.fields ]
         print
-        print "        public void appendArgumentDebugStringTo(StringBuffer acc) {"
+        print "        public void appendArgumentDebugStringTo(StringBuilder acc) {"
         print "            acc.append(\"(%s)\");" % (", ".join(appendList))
         print "        }"
 
@@ -525,7 +525,7 @@ def argument_debug_string():
                                % (a.name, java_field_name(a.name))
                                for a in m.arguments ]
                 print
-                print "            public void appendArgumentDebugStringTo(StringBuffer acc) {"
+                print "            public void appendArgumentDebugStringTo(StringBuilder acc) {"
                 print "                acc.append(\"(%s)\");" % ", ".join(appendList)
                 print "            }"
 

src/com/rabbitmq/client/ContentHeader.java

@@ -38,5 +38,5 @@ public interface ContentHeader extends Cloneable {
      * A debugging utility - enable properties to be appended to a string buffer for use as trace messages.
      * @param buffer a place to append the properties as a string
      */
-    public void appendPropertyDebugStringTo(StringBuffer buffer);
+    public void appendPropertyDebugStringTo(StringBuilder buffer);
 }

src/com/rabbitmq/client/impl/AMQContentHeader.java

@@ -58,12 +58,12 @@ private void writeTo(DataOutputStream out, long bodySize) throws IOException {
     public abstract void writePropertiesTo(ContentHeaderPropertyWriter writer) throws IOException;
 
     /** Public API - {@inheritDoc} */
-    public void appendPropertyDebugStringTo(StringBuffer acc) {
+    public void appendPropertyDebugStringTo(StringBuilder acc) {
         acc.append("(?)");
     }
 
     @Override public String toString() {
-        StringBuffer sb = new StringBuffer();
+        StringBuilder sb = new StringBuilder();
         sb.append("#contentHeader<").append(getClassName()).append(">");
         this.appendPropertyDebugStringTo(sb);
         return sb.toString();

src/com/rabbitmq/client/impl/Frame.java

@@ -240,7 +240,7 @@ public DataOutputStream getOutputStream() {
     }
 
     @Override public String toString() {
-        StringBuffer sb = new StringBuffer();
+        StringBuilder sb = new StringBuilder();
         sb.append("Frame(type=").append(type).append(", channel=").append(channel).append(", ");
         if (accumulator == null) {
             sb.append(payload.length).append(" bytes of payload)");

src/com/rabbitmq/client/impl/Method.java

@@ -63,12 +63,12 @@ public abstract class Method implements com.rabbitmq.client.Method {
      * Public API - debugging utility
      * @param buffer the buffer to append debug data to
      */
-    public void appendArgumentDebugStringTo(StringBuffer buffer) {
+    public void appendArgumentDebugStringTo(StringBuilder buffer) {
         buffer.append("(?)");
     }
 
     @Override public String toString() {
-        StringBuffer sb = new StringBuffer();
+        StringBuilder sb = new StringBuilder();
         sb.append("#method<").append(protocolMethodName()).append(">");
         this.appendArgumentDebugStringTo(sb);
         return sb.toString();

src/com/rabbitmq/tools/json/JSONReader.java

@@ -51,7 +51,7 @@ public class JSONReader {
     private CharacterIterator it;
     private char c;
     private Object token;
-    private StringBuffer buf = new StringBuffer();
+    private StringBuilder buf = new StringBuilder();
 
     private char next() {
         c = it.next();

test/src/com/rabbitmq/tools/Host.java

@@ -29,7 +29,7 @@ private static String capture(InputStream is)
     {
         final BufferedReader br = new BufferedReader(new InputStreamReader(is));
         String line;
-        final StringBuffer buff = new StringBuffer();
+        final StringBuilder buff = new StringBuilder();
         while ((line = br.readLine()) != null) {
             buff.append(line);
         }