Replace uses of StringBuffer with StringBuilder.

serializer/src/main/java/org/apache/xml/serializer/CharInfo.java

@@ -363,7 +363,7 @@ private CharInfo(String entitiesResource, String method, boolean internal)
      */
     private boolean defineEntity(String name, char value)
     {
-        StringBuffer sb = new StringBuffer("&");
+        StringBuilder sb = new StringBuilder("&");
         sb.append(name);
         sb.append(';');
         String entityString = sb.toString();

serializer/src/main/java/org/apache/xml/serializer/SerializerBase.java

@@ -75,7 +75,7 @@ public abstract class SerializerBase
             PKG_NAME = fullyQualifiedName.substring(0, lastDot);
         }
 
-        StringBuffer sb = new StringBuffer();
+        StringBuilder sb = new StringBuilder();
         for (int i = 0; i < PKG_NAME.length(); i++) {
             char ch = PKG_NAME.charAt(i);
             if (ch == '.')
@@ -1365,7 +1365,7 @@ void initCdataElems(String s)
             // true if we found a URI but haven't yet processed the local name 
             boolean foundURI = false;
 
-            StringBuffer buf = new StringBuffer();
+            StringBuilder buf = new StringBuilder();
             String uri = null;
             String localName = null;
 

serializer/src/main/java/org/apache/xml/serializer/ToStream.java

@@ -2799,7 +2799,7 @@ private void setCdataSectionElements(String key, Properties props)
       Vector v = new Vector();
       int l = s.length();
       boolean inCurly = false;
-      StringBuffer buf = new StringBuffer();
+      StringBuilder buf = new StringBuilder();
 
       // parse through string, breaking on whitespaces.  I do this instead
       // of a tokenizer so I can track whitespace inside of curly brackets,
@@ -2883,7 +2883,7 @@ public void setCdataSectionElements(Vector URI_and_localNames)
       final int len = URI_and_localNames.size() - 1;
       if (len > 0)
       {
-        final StringBuffer sb = new StringBuffer();
+        final StringBuilder sb = new StringBuilder();
         for (int i = 0; i < len; i += 2)
         {
           // whitspace separated "{uri1}local1 {uri2}local2 ..."

serializer/src/main/java/org/apache/xml/serializer/ToUnknownStream.java

@@ -1289,7 +1289,7 @@ protected void firePseudoElement(String elementName)
     {
 
         if (m_tracer != null) {
-            StringBuffer sb = new StringBuffer();
+            StringBuilder sb = new StringBuilder();
 
             sb.append('<');
             sb.append(elementName);

serializer/src/main/java/org/apache/xml/serializer/dom3/DOM3TreeWalker.java

@@ -512,7 +512,7 @@ protected void serializeDocType(DocumentType node, boolean bStart)
                     // DOCTYPE internal subset via an event call, so we write it
                     // out here.
                     Writer writer = fSerializer.getWriter();
-                    StringBuffer dtd = new StringBuffer();
+                    StringBuilder dtd = new StringBuilder();
 
                     dtd.append("<!DOCTYPE ");
                     dtd.append(docTypeName);

serializer/src/main/java/org/apache/xml/serializer/dom3/LSSerializerImpl.java

@@ -1463,7 +1463,7 @@ private static String getPathWithoutEscapes(String origPath) {
         if (origPath != null && origPath.length() != 0 && origPath.indexOf('%') != -1) {
             // Locate the escape characters
             StringTokenizer tokenizer = new StringTokenizer(origPath, "%");
-            StringBuffer result = new StringBuffer(origPath.length());
+            StringBuilder result = new StringBuilder(origPath.length());
             int size = tokenizer.countTokens();
             result.append(tokenizer.nextToken());
             for(int i = 1; i < size; ++i) {

serializer/src/main/java/org/apache/xml/serializer/dom3/NamespaceSupport.java

@@ -322,7 +322,7 @@ public Object nextElement() {
 	}
 
         public String toString(){
-            StringBuffer buf = new StringBuffer();
+            StringBuilder buf = new StringBuilder();
             for (int i=0;i<size;i++){
                 buf.append(prefixes[i]);
                 buf.append(" ");

serializer/src/main/java/org/apache/xml/serializer/utils/SystemIDResolver.java

@@ -190,7 +190,7 @@ private static boolean isWindowsAbsolutePath(String systemId)
    */
   private static String replaceChars(String str)
   {
-    StringBuffer buf = new StringBuffer(str);
+    StringBuilder buf = new StringBuilder(str);
     int length = buf.length();
     for (int i = 0; i < length; i++)
     {

serializer/src/main/java/org/apache/xml/serializer/utils/URI.java

@@ -860,7 +860,7 @@ public String getScheme()
   public String getSchemeSpecificPart()
   {
 
-    StringBuffer schemespec = new StringBuffer();
+    StringBuilder schemespec = new StringBuilder();
 
     if (m_userinfo != null || m_host != null || m_port != -1)
     {
@@ -952,7 +952,7 @@ public String getPath(boolean p_includeQueryString,
                         boolean p_includeFragment)
   {
 
-    StringBuffer pathString = new StringBuffer(m_path);
+    StringBuilder pathString = new StringBuilder(m_path);
 
     if (p_includeQueryString && m_queryString != null)
     {
@@ -1348,7 +1348,7 @@ public boolean equals(Object p_test)
   public String toString()
   {
 
-    StringBuffer uriSpecString = new StringBuffer();
+    StringBuilder uriSpecString = new StringBuilder();
 
     if (m_scheme != null)
     {

xalan/src/main/java/org/apache/xalan/client/XSLTProcessorApplet.java

@@ -396,7 +396,7 @@ public void setStylesheetParam(String key, String expr)
    */
   public String escapeString(String s)
   {
-    StringBuffer sb = new StringBuffer();
+    StringBuilder sb = new StringBuilder();
     int length = s.length();
 
     for (int i = 0; i < length; i++)

xalan/src/main/java/org/apache/xalan/extensions/MethodResolver.java

@@ -294,7 +294,7 @@ else if (bestScoreCount > 1)
   private static String replaceDash(String name)
   {
     char dash = '-';
-    StringBuffer buff = new StringBuffer("");
+    StringBuilder buff = new StringBuilder("");
     for (int i=0; i<name.length(); i++)
     {
       if (name.charAt(i) == dash)
@@ -978,7 +978,7 @@ private static String errString(String callType,    // "function" or "element"
 
   private static String errArgs(Object[] xsltArgs, int startingArg)
   {
-    StringBuffer returnArgs = new StringBuffer();
+    StringBuilder returnArgs = new StringBuilder();
     for (int i = startingArg; i < xsltArgs.length; i++)
     {
       if (i != startingArg)

xalan/src/main/java/org/apache/xalan/lib/ExsltBase.java

@@ -47,7 +47,7 @@ protected static String toString(Node n)
       if (value == null)
       {
         NodeList nodelist = n.getChildNodes();
-        StringBuffer buf = new StringBuffer();
+        StringBuilder buf = new StringBuilder();
         for (int i = 0; i < nodelist.getLength(); i++)
         {
           Node childNode = nodelist.item(i);

xalan/src/main/java/org/apache/xalan/lib/ExsltDatetime.java

@@ -1108,7 +1108,7 @@ else if ((dateTime.length() >= 6)
     private static String strip(String symbols, String pattern)
     {
         int i = 0;
-        StringBuffer result = new StringBuffer(pattern.length());
+        StringBuilder result = new StringBuilder(pattern.length());
 
         while (i < pattern.length())
         {

xalan/src/main/java/org/apache/xalan/lib/ExsltStrings.java

@@ -116,7 +116,7 @@ public static String align(String targetStr, String paddingStr)
    */
   public static String concat(NodeList nl)
   {
-    StringBuffer sb = new StringBuffer();
+    StringBuilder sb = new StringBuilder();
     for (int i = 0; i < nl.getLength(); i++)
     {
       Node node = nl.item(i);
@@ -149,7 +149,7 @@ public static String padding(double length, String pattern)
     if (pattern == null || pattern.length() == 0)
       return "";
 
-    StringBuffer sb = new StringBuffer();
+    StringBuilder sb = new StringBuilder();
     int len = (int)length;
     int numAdded = 0;
     int index = 0;

xalan/src/main/java/org/apache/xalan/lib/sql/SQLQueryParser.java

@@ -301,7 +301,7 @@ protected void inlineParser()
   {
     QueryParameter  curParm = null;
     int	            state = 0;
-    StringBuffer    tok = new StringBuffer();
+    StringBuilder tok = new StringBuilder();
     boolean         firstword = true;
 
     if (m_Parameters == null) m_Parameters = new Vector();
@@ -351,7 +351,7 @@ else if ( firstword && (Character.isLetterOrDigit(ch) || ch == '#') )
               }
             }
             firstword = false;
-            tok = new StringBuffer();
+            tok = new StringBuilder();
             if ( ch == '\'' ) state = 1;
             else if ( ch == '?' ) state = 4;
             else state = 0;
@@ -379,7 +379,7 @@ else if ( tok.length() > 0 )
             curParm.setTypeName(tok.toString());
 //            curParm.type = map_type(curParm.typeName);
             m_Parameters.addElement(curParm);
-            tok = new StringBuffer();
+            tok = new StringBuilder();
             if ( ch == '=' ) state = 7;
             else state = 6;
           }
@@ -394,7 +394,7 @@ else if ( tok.length() > 0 )
           else if ( tok.length() > 0 )
           {
             curParm.setName(tok.toString());
-            tok = new StringBuffer();
+            tok = new StringBuilder();
             if ( ch == ']' )
             {
               //param_output.addElement(new Boolean(false));
@@ -418,7 +418,7 @@ else if ( tok.length() > 0 )
               m_hasOutput = true;
             }
 
-            tok = new StringBuffer();
+            tok = new StringBuilder();
             if ( ch == ']' )
             {
               state = 0;

xalan/src/main/java/org/apache/xalan/processor/XSLTAttributeDef.java

@@ -456,7 +456,7 @@ else if (m_name.equals("*"))
         return m_setterString;
       }
 
-      StringBuffer outBuf = new StringBuffer();
+      StringBuilder outBuf = new StringBuilder();
 
       outBuf.append("set");
 
@@ -643,7 +643,7 @@ Object processENUM(StylesheetHandler handler, String uri, String name,
 
 	if (retVal == StringToIntTable.INVALID_KEY) 
     {
-       StringBuffer enumNamesList = getListOfEnums();
+       StringBuilder enumNamesList = getListOfEnums();
        handleError(handler, XSLTErrorResources.INVALID_ENUM,new Object[]{name, value, enumNamesList.toString() },null);
        return null;
     }
@@ -706,7 +706,7 @@ Object processENUM_OR_PQNAME(StylesheetHandler handler, String uri, String name,
             if (objToReturn == null) objToReturn = qname;	
 
 			if (qname.getPrefix() == null) {
-	           StringBuffer enumNamesList = getListOfEnums();
+                StringBuilder enumNamesList = getListOfEnums();
 
  	           enumNamesList.append(" <qname-but-not-ncname>");
                handleError(handler,XSLTErrorResources.INVALID_ENUM,new Object[]{name, value, enumNamesList.toString() },null); 
@@ -716,7 +716,7 @@ Object processENUM_OR_PQNAME(StylesheetHandler handler, String uri, String name,
         }
         catch (IllegalArgumentException ie) 
         {
-           StringBuffer enumNamesList = getListOfEnums();
+            StringBuilder enumNamesList = getListOfEnums();
            enumNamesList.append(" <qname-but-not-ncname>");
 
            handleError(handler,XSLTErrorResources.INVALID_ENUM,new Object[]{name, value, enumNamesList.toString() },ie); 
@@ -725,7 +725,7 @@ Object processENUM_OR_PQNAME(StylesheetHandler handler, String uri, String name,
         }
         catch (RuntimeException re)
         {
-           StringBuffer enumNamesList = getListOfEnums();
+           StringBuilder enumNamesList = getListOfEnums();
            enumNamesList.append(" <qname-but-not-ncname>");
 
            handleError(handler,XSLTErrorResources.INVALID_ENUM,new Object[]{name, value, enumNamesList.toString() },re); 
@@ -1532,12 +1532,12 @@ else if (cl == Long.class)
   }
 
   /**
-   * StringBuffer containing comma delimited list of valid values for ENUM type.
+   * StringBuilder containing comma delimited list of valid values for ENUM type.
    * Used to build error message.
    */
-  private StringBuffer getListOfEnums() 
+  private StringBuilder getListOfEnums()
   {
-     StringBuffer enumNamesList = new StringBuffer();            
+      StringBuilder enumNamesList = new StringBuilder();
      String [] enumValues = this.getEnumNames();
 
      for (int i = 0; i < enumValues.length; i++)

xalan/src/main/java/org/apache/xalan/templates/ElemNumber.java

@@ -1219,7 +1219,7 @@ String formatNumberList(
           // then append the formatToken.
           else if (formatTokenizer.isLetterOrDigitAhead())
           {
-            final StringBuffer formatTokenStringBuffer = new StringBuffer(formatToken);
+            final StringBuilder formatTokenStringBuffer = new StringBuilder(formatToken);
 
             // Append the formatToken string...
             // For instance [2][1][5] with a format value of "1--1. "
@@ -1949,7 +1949,7 @@ protected String long2roman(long val, boolean prefixesAreOK)
 
     if (val <= 3999L)
     {
-      StringBuffer romanBuffer = new StringBuffer();
+      StringBuilder romanBuffer = new StringBuilder();
       do
       {
         while (val >= m_romanConvertTable[place].m_postValue)

xalan/src/main/java/org/apache/xalan/transformer/NumeratorFormatter.java

@@ -192,7 +192,7 @@ String long2roman(long val, boolean prefixesAreOK)
 
     if (val <= 3999L)
     {
-      StringBuffer romanBuffer = new StringBuffer();
+      StringBuilder romanBuffer = new StringBuilder();
       do
       {
         while (val >= m_romanConvertTable[place].m_postValue)

xalan/src/main/java/org/apache/xalan/xslt/EnvironmentCheck.java

@@ -843,7 +843,7 @@ protected void checkProcessorVersion(Hashtable h)
         XALAN1_VERSION_CLASS, ObjectFactory.findClassLoader(), true);
 
       // Found Xalan-J 1.x, grab it's version fields
-      StringBuffer buf = new StringBuffer();
+      StringBuilder buf = new StringBuilder();
       Field f = clazz.getField("PRODUCT");
 
       buf.append(f.get(null));
@@ -876,7 +876,7 @@ protected void checkProcessorVersion(Hashtable h)
         XALAN2_VERSION_CLASS, ObjectFactory.findClassLoader(), true);
 
       // Found Xalan-J 2.x, grab it's version fields
-      StringBuffer buf = new StringBuffer();
+      StringBuilder buf = new StringBuilder();
       Field f = clazz.getField("S_VERSION");
       buf.append(f.get(null));
 

xalan/src/main/java/org/apache/xalan/xsltc/cmdline/Compile.java

@@ -45,7 +45,7 @@ public final class Compile {
 
 
     public static void printUsage() {
-        StringBuffer vers = new StringBuffer("XSLTC version " + VERSION_MAJOR
+        StringBuilder vers = new StringBuilder("XSLTC version " + VERSION_MAJOR
                 + "." + VERSION_MINOR
                 + ((VERSION_DELTA > 0) ? ("." + VERSION_DELTA) : ("")));
         System.err.println(vers + "\n"

xalan/src/main/java/org/apache/xalan/xsltc/compiler/AttributeSet.java

@@ -193,7 +193,7 @@ public void translate(ClassGenerator classGen, MethodGenerator methodGen) {
     }
 
     public String toString() {
-	StringBuffer buf = new StringBuffer("attribute-set: ");
+	StringBuilder buf = new StringBuilder("attribute-set: ");
 	// Translate all local attributes
 	final Enumeration attributes = elements();
 	while (attributes.hasMoreElements()) {

xalan/src/main/java/org/apache/xalan/xsltc/compiler/AttributeValueTemplate.java

@@ -82,7 +82,7 @@ private void parseAVTemplate(String text, Parser parser) {
           */
         String t = null;
         String lookahead = null;
-        StringBuffer buffer = new StringBuffer();
+        StringBuilder buffer = new StringBuilder();
         int state = OUT_EXPR;
 
         while (tokenizer.hasMoreTokens()) {            
@@ -216,7 +216,7 @@ public Type typeCheck(SymbolTable stable) throws TypeCheckError {
     }
 
     public String toString() {
-	final StringBuffer buffer = new StringBuffer("AVT:[");
+	final StringBuilder buffer = new StringBuilder("AVT:[");
 	final int count = elementCount();
 	for (int i = 0; i < count; i++) {
 	    buffer.append(elementAt(i).toString());

xalan/src/main/java/org/apache/xalan/xsltc/compiler/CallTemplate.java

@@ -137,7 +137,7 @@ public void translate(ClassGenerator classGen, MethodGenerator methodGen) {
 	il.append(methodGen.loadCurrentNode());
 
         // Initialize prefix of method signature
-	StringBuffer methodSig = new StringBuffer("(" + DOM_INTF_SIG 
+	StringBuilder methodSig = new StringBuilder("(" + DOM_INTF_SIG
             + NODE_ITERATOR_SIG + TRANSLET_OUTPUT_SIG + NODE_SIG);
 
         // If calling a simply named template, push actual arguments