Examples of java.util.Formatter$FloatUtil

java.util.Formatter
Formatter provides the method to give out formatted string just like the printf-style. Layout,alignment and other format flags are provided to format numeric,string and date/time as well as locale-specified formats applied. Besides primitive types, formatter also support some java object types such as BigInteger,BigDecimal and Calendar. Customized formatting is provided through the Formattable interface. The class is not multi-threaded safe. The responsibility to maintain thread safety is the user's job. @since 1.5


    @Override
    public String toString()
    {
      StringBuilder resBuilder = new StringBuilder(100);
      Formatter fmt = new Formatter(resBuilder);
      try
      {
        fmt.format("{\"batchingLevel\":\"%s\",\"streamBatchSize\":%d,\"bootstrapBatchSize\":%d}",
                   _batchingLevel.toString(), _streamBatchSize, _bootstrapBatchSize);
  
        fmt.flush();
        return fmt.toString();
      }
      finally
      {
        fmt.close();
      }
    }

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            int hour = 60 * minute;
            long hours = millis / hour;
            long minutes = (millis % hour) / minute;
            long seconds = ((millis % hour) % minute) / second;
            long milliseconds = ((millis % hour) % minute % second);
            Formatter formatter = new Formatter();
            String result = formatter.format("%02d:%02d:%02d.%03d", hours, minutes, seconds, milliseconds).toString();
            formatter.close();
            return result;
        }

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      return "";
    }
    pathFormat = pathFormat.replace('/', File.separatorChar);
    StringBuilder strBuffer = new StringBuilder();


    Formatter formatter = new Formatter(strBuffer, Locale.US);
    formatter.format(pathFormat, date);
    formatter.close();


    if (!pathFormat.endsWith(File.separator)) {
      strBuffer.append(File.separator);
    }

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    private static void out(String level, String msg, Throwable t, Object... args) {
        PrintWriter out = INSTANCE.out;
        synchronized(out) {
            StackTraceElement el = getLine();
            Formatter formatter = new Formatter();
            try {
                String location = formatter.format("(%s:%d)", el.getFileName(), el.getLineNumber()).toString();
                out.printf("vlcj: %-46s | %-5s | %s%n", location, level, format(msg, args));
                out.flush();
                if(t != null) {
                    PrintWriter err = INSTANCE.err;
                    err.printf("vlcj: %-46s | %-5s | %s%n", location, level, t.getMessage());
                    err.flush();
                    t.printStackTrace();
                }
            }
            finally {
                formatter.close();
            }
        }
    }

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    }


    CharSequence inspect(Object b)
    {
        boolean found = false;
        Formatter f = new Formatter();
        Method methods[] = b.getClass().getMethods();
        for (Method m : methods)
        {
            try
            {
                String name = m.getName();
                if (m.getName().startsWith("get") && !m.getName().equals("getClass")
                    && m.getParameterTypes().length == 0
                    && Modifier.isPublic(m.getModifiers()))
                {
                    found = true;
                    name = name.substring(3);
                    m.setAccessible(true);
                    Object value = m.invoke(b, (Object[]) null);
                    f.format(COLUMN, name, format(value, Converter.LINE, this));
                }
            }
            catch (IllegalAccessException e)
            {
                // Ignore
            }
            catch (Exception e)
            {
                e.printStackTrace();
            }
        }
        if (found)
        {
            return (StringBuilder) f.out();
        }
        else
        {
            return b.toString();
        }

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    protected void pumpDataIntoTestCollection() {
        // there should be 100 of each
        String[] scientists = {"Einstein", "Darwin", "Copernicus", "Pasteur", "Curie", "Faraday", "Newton", "Bohr", "Galilei", "Maxwell"};
        for (int i = 1; i <= 1000; i++) {
            int index = i % scientists.length;
            Formatter f = new Formatter();
            String doc = f.format("{\"_id\":\"%d\", \"scientist\":\"%s\", \"fixedField\": \"fixedValue\"}", i, scientists[index]).toString();
            IOHelper.close(f);
            testCollection.insert((DBObject) JSON.parse(doc), WriteConcern.SAFE);
        }
        assertEquals("Data pumping of 1000 entries did not complete entirely", 1000L, testCollection.count());
    }

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    public void testUpdate() throws Exception {
        // Prepare test
        assertEquals(0, testCollection.count());
        for (int i = 1; i <= 100; i++) {
            String body = null;
            Formatter f = new Formatter();
            if (i % 2 == 0) {
                body = f.format("{\"_id\":\"testSave%d\", \"scientist\":\"Einstein\"}", i).toString();
            } else {
                body = f.format("{\"_id\":\"testSave%d\", \"scientist\":\"Einstein\", \"extraField\": true}", i).toString();
            }
            f.close();
            template.requestBody("direct:insert", body);
        }
        assertEquals(100L, testCollection.count());
        
        // Testing the update logic

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    public void testRemove() throws Exception {
        // Prepare test
        assertEquals(0, testCollection.count());
        for (int i = 1; i <= 100; i++) {
            String body = null;
            Formatter f = new Formatter();
            if (i % 2 == 0) {
                body = f.format("{\"_id\":\"testSave%d\", \"scientist\":\"Einstein\"}", i).toString();
            } else {
                body = f.format("{\"_id\":\"testSave%d\", \"scientist\":\"Einstein\", \"extraField\": true}", i).toString();
            }
            f.close();
            template.requestBody("direct:insert", body);
        }
        assertEquals(100L, testCollection.count());
        
        // Testing the update logic

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        assertEquals(0, testCollection.count());
        
        // Add some records to the collection (and do it via camel-mongodb)
        for (int i = 1; i <= 100; i++) {
            String body = null;
            Formatter f = new Formatter();
            body = f.format("{\"_id\":\"testSave%d\", \"scientist\":\"Einstein\"}", i).toString();
            f.close();
            template.requestBody("direct:insert", body);
        }
        
        Object result = template.requestBody("direct:getColStats", "irrelevantBody");
        assertTrue("Result is not of type DBObject", result instanceof DBObject);

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  /**
   * @return
   */
  public EString to_list() {
    Formatter form = new Formatter();
    form = form.format("%.20e", value);
    String value = form.toString();
    return new EString(value);
  }

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