Java Number Format Pattern isDecimalFormat(DecimalFormat decimalFormat)

Description

is Decimal Format

License

Apache License

Declaration

private static boolean isDecimalFormat(DecimalFormat decimalFormat) 

Method Source Code

//package com.java2s;
/*// w  ww  .ja  va2  s  .  c  o  m
 * Copyright 2004-2011 the Seasar Foundation and the Others.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
 * either express or implied. See the License for the specific language
 * governing permissions and limitations under the License.
 */

import java.text.DecimalFormat;
import java.text.DecimalFormatSymbols;

public class Main {
    private static boolean isDecimalFormat(DecimalFormat decimalFormat) {
        String pattern = decimalFormat.toPattern();
        StringBuffer buf = new StringBuffer(pattern);
        DecimalFormatSymbols dfs = decimalFormat.getDecimalFormatSymbols();
        char[] charList = new char[4];
        charList[0] = dfs.getZeroDigit();
        charList[1] = dfs.getDigit();
        charList[2] = dfs.getDecimalSeparator();
        charList[3] = dfs.getGroupingSeparator();
        for (int i = 0; i < charList.length; i++) {
            int charIndex;
            while ((charIndex = buf.toString().indexOf(charList[i])) != -1) {
                buf.deleteCharAt(charIndex);
            }
        }
        return (buf.length() == 0) ? false : true;
    }
}

Related

1. getUiNumberFormat()
2. getUSNumberFormatter()
3. getValueFormatted(String name, String value)
4. getValueFormatter()
5. getZeroDecimalFormat()
6. isDecimalFormatValid(final String pattern)
7. matchOptionalFormatting(Number number, String formatting, StringBuffer outputTo)
8. normalizeNumberFormat(NumberFormat numberFormat, int scale, int precision)
9. objectToString(Object obj, DecimalFormat fmt)