Android Open Source - ProjectSierra String Utils

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License

The source code is released under:

GNU General Public License

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Java Source Code

/*
Copyright 2014 Seth Traverse//from ww  w .java 2s.co m

This file is part of Project Sierra.

Project Sierra is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.

Project Sierra is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with Project Sierra.  If not, see <http://www.gnu.org/licenses/>.
 */
package ca.viaware.api.utils;

import java.util.ArrayList;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

public class StringUtils {

  public static String cleanNumber(String input) {
    String cleaned = "";
    Matcher matcher = Pattern.compile("[0-9.]").matcher(input);
    
    while (!matcher.hitEnd()) {
      if (matcher.find()) {
        cleaned += matcher.group();
      }
    }
    
    if (cleaned.equals("")) return "0";
    return cleaned;
  }
  
  public static String padMonospaced(String input, int minLength) {
    String padding = "";
    for (int i = 0; i < (minLength - input.length()); i++) {
      padding += " ";
    }
    return input + padding;
  }
  
  public static String padMonospacedCenter(String input, int width) {
    String padding = "";
    for (int i = 0; i < (width - input.length()) / 2; i++) {
      padding += " ";
    }
    return padding + input + padding;
  }
  
  public static String repeatLength(String input, int length) {
    String output = "";
    for (int i = 0; i < length; i++) {
      output += input;
    }
    return output;
  }
  
  public static String trimSetting(String text) {
    String[] split = text.split(":");
    String retString = "";
    
    for (int i = 1; i < split.length; i++) {
      if (i != 1) {
        retString += ":";
      }
      retString += split[i];
    }
    return retString;
  }
  
  public static String formatHex(String original, int length) {
    
    String newString = "";
    
    for (int i = original.length(); i < length; i++) {
      newString += "0";
    }
    
    return newString + original;
  }
  
  public static String formatHexReversed(String original, int length) {
    
    String newString = original;
    
    for (int i = original.length(); i < length; i++) {
      newString += "0";
    }
    
    return newString;
  }
  
  public static boolean validateIP(String ip) {
    if (ip == null) return false;
    if (!ip.contains(":")) return false;
    String[] split = ip.split(":");
    if (split.length < 2) return false;
    if (!split[0].contains(".")) return false;
    try {  
      Integer.parseInt(split[1]);
    } catch (NumberFormatException e) {
      return false;
    }
    return true;
  }
  
  public static String parseIPFromPLS(ArrayList<String> data) {
    for (String s : data) {
      if (s.startsWith("File")) {
        return s.substring(13, s.length());
      }
    }
    return "invalid";
  }
}

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