Examples of org.apache.commons.lang.text.StrBuilder

org.apache.commons.lang.text.StrBuilder
Builds a string from constituent parts providing a more flexible and powerful API than StringBuffer.
The main differences from StringBuffer/StringBuilder are:
- Not synchronized
- Not final
- Subclasses have direct access to character array
- Additional methods
  - appendWithSeparators - adds an array of values, with a separator
  - appendPadding - adds a length padding characters
  - appendFixedLength - adds a fixed width field to the builder
  - toCharArray/getChars - simpler ways to get a range of the character array
  - delete - delete char or string
  - replace - search and replace for a char or string
  - leftString/rightString/midString - substring without exceptions
  - contains - whether the builder contains a char or string
  - size/clear/isEmpty - collections style API methods
Views
- asTokenizer - uses the internal buffer as the source of a StrTokenizer
- asReader - uses the internal buffer as the source of a Reader
- asWriter - allows a Writer to write directly to the internal buffer

The aim has been to provide an API that mimics very closely what StringBuffer provides, but with additional methods. It should be noted that some edge cases, with invalid indices or null input, have been altered - see individual methods. The biggest of these changes is that by default, null will not output the text 'null'. This can be controlled by a property, {@link #setNullText(String)}.

Prior to 3.0, this class implemented Cloneable but did not implement the clone method so could not be used. From 3.0 onwards it no longer implements the interface. @author Apache Software Foundation @since 2.2 @version $Id: StrBuilder.java 1057349 2011-01-10 20:40:49Z niallp $

    public static String unescape(final String string)
    {
        int u = string.indexOf("\\u");
        if (u < 0) return string;


        StrBuilder result = new StrBuilder();
        
        int lastCopied = 0;


        for (;;)
        {
            result.append(string.substring(lastCopied, u));


            /* we don't worry about an exception here,
             * because the lexer checked that string is correct */
            char c = (char) Integer.parseInt(string.substring(u + 2, u + 6), 16);
            result.append(c);


            lastCopied = u + 6;


            u = string.indexOf("\\u", lastCopied);
            if (u < 0)
            {
                result.append(string.substring(lastCopied));
                return result.toString();
            }
        }
    }

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     */
    private String getLiteral()
    {
        if (literal == null)
        {
            StrBuilder buffer = new StrBuilder();
            Token t = node.getFirstToken();


            while (t != null && t != node.getLastToken())
            {
                buffer.append(t.image);
                t = t.next;
            }


            if (t != null)
            {
                buffer.append(t.image);
            }


            literal = buffer.toString();
        }
        return literal;
    }

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            if (args == 0)
            {
                return method.getName();
            }


            StrBuilder methodKey = new StrBuilder((args+1)*16).append(method.getName());


            for (int j = 0; j < args; j++)
            {
                /*
                 * If the argument type is primitive then we want
                 * to convert our primitive type signature to the
                 * corresponding Object type so introspection for
                 * methods with primitive types will work correctly.
                 *
                 * The lookup map (convertPrimitives) contains all eight
                 * primitives (boolean, byte, char, double, float, int, long, short)
                 * known to Java. So it should never return null for the key passed in.
                 */
                if (parameterTypes[j].isPrimitive())
                {
                    methodKey.append((String) convertPrimitives.get(parameterTypes[j]));
                }
                else
                {
                    methodKey.append(parameterTypes[j].getName());
                }
            }


            return methodKey.toString();
        }

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            if (args == 0)
            {
                return method;
            }


            StrBuilder methodKey = new StrBuilder((args+1)*16).append(method);


            for (int j = 0; j < args; j++)
            {
                Object arg = params[j];
                if (arg == null)
                {
                    methodKey.append(NULL_ARG);
                }
                else
                {
                    methodKey.append(arg.getClass().getName());
                }
            }


            return methodKey.toString();
        }

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     * definition, and the current template being rendered if that is
     * different.
     */
    protected String id(InternalContextAdapter context)
    {
        StrBuilder str = new StrBuilder(100)
            .append("block $").append(key);
        if (!context.getCurrentTemplateName().equals(getTemplateName()))
        {
            str.append(" used in ").append(context.getCurrentTemplateName());
        }
        return str.toString();
    }

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            getLog().error(msg);
            throw new VelocityException(msg);
        }


        /* now just create the VM call, and use evaluate */
        StrBuilder template = new StrBuilder("#");
        template.append(vmName);
        template.append("(");
        for( int i = 0; i < params.length; i++)
        {
            template.append(" $");
            template.append(params[i]);
        }
        template.append(" )");


        return evaluate(context, writer, logTag, template.toString());
    }

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    private String replaceQuotes(String s)
    {
        if( s.indexOf("\"") == -1 && s.indexOf("'") == -1 )
            return s;
    
        StrBuilder result = new StrBuilder();
        char prev = ' ';
        for(int i = 0, is = s.length(); i < is; i++)
        {
            char c = s.charAt(i);
            result.append(c);
          
            if( i + 1 < is )
            {
                char next =  s.charAt(i + 1);
                if( (next == '"' && c == '"') || (next == '\'' && c == '\'') )
                {
                    i++;
                }
           }    
        }
        return result.toString();
    }

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    public static String unescape(final String string)
    {
        int u = string.indexOf("\\u");
        if (u < 0) return string;


        StrBuilder result = new StrBuilder();
        
        int lastCopied = 0;


        for (;;)
        {
            result.append(string.substring(lastCopied, u));


            /* we don't worry about an exception here,
             * because the lexer checked that string is correct */
            char c = (char) Integer.parseInt(string.substring(u + 2, u + 6), 16);
            result.append(c);


            lastCopied = u + 6;


            u = string.indexOf("\\u", lastCopied);
            if (u < 0)
            {
                result.append(string.substring(lastCopied));
                return result.toString();
            }
        }
    }

View Full Code Here

   * @throws AmbariException
   */
  public BatchRequestResponse getBatchRequestResponse(Long requestId, String clusterName)
    throws AmbariException {


    StrBuilder sb = new StrBuilder();
    sb.append(DEFAULT_API_PATH)
      .append("/clusters/")
      .append(clusterName)
      .append("/requests/")
      .append(requestId);


    return performApiGetRequest(sb.toString(), true);


  }

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        log.debug("Saving " + s.getSampleLabel() + " in " + fileName);
        s.setResultFileName(fileName);// Associate sample with file name
        String variable = getVariableName();
        if (variable.length()>0){
            if (num > 0) {
                StrBuilder sb = new StrBuilder(variable);
                sb.append(num);
                variable=sb.toString();
            }
            JMeterContextService.getContext().getVariables().put(variable, fileName);
        }
        File out = new File(fileName);
        FileOutputStream pw = null;

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