Dogcows Code - chaz/vimcoder/blob - src/com/dogcows/Utility.java

   1
   2 package com.dogcows;
   3
   4 import java.io.*;
   5 import java.util.Arrays;
   6 import java.util.Map;
   7
   8 /**
   9  * @author Charles McGarvey
  10  *
  11  */
  12 public abstract class Utility
  13 {
  14
  15     public static <T> T[] concat(T[] a, T[] b)
  16     {
  17         T[] result = Arrays.copyOf(a, a.length + b.length);
  18         System.arraycopy(b, 0, result, a.length, b.length);
  19         return result;
  20     }
  21
  22     public static String join(String[] a, String glue)
  23     {
  24         if (a.length == 0) return "";
  25         StringBuilder result = new StringBuilder();
  26         result.append(a[0]);
  27         for (int i = 1; i < a.length; ++i) result.append(glue).append(a[i]);
  28         return result.toString();
  29     }
  30
  31     public static String quote(String a)
  32     {
  33         a = a.replaceAll("\\\\", "\\\\\\\\");
  34         a = a.replaceAll("\"",   "\\\\\\\"");
  35         return a;
  36     }
  37
  38     public static String readFile(File file) throws IOException
  39     {
  40         StringBuilder text = new StringBuilder();
  41
  42         BufferedReader reader = new BufferedReader(new FileReader(file.getPath()));
  43         try
  44         {
  45             String line = null;
  46
  47             while ((line = reader.readLine()) != null)
  48             {
  49                 text.append(line + System.getProperty("line.separator"));
  50             }
  51         }
  52         finally
  53         {
  54             reader.close();
  55         }
  56
  57         return text.toString();
  58     }
  59
  60     public static String readResource(String path) throws IOException
  61     {
  62         StringBuilder text = new StringBuilder();
  63
  64         InputStream stream = Utility.class.getResourceAsStream("resources/" + path);
  65         if (stream != null)
  66         {
  67             try
  68             {
  69                 byte[]  buffer = new byte[4096];
  70                 int     numBytes = 0;
  71                 while (0 < (numBytes = stream.read(buffer)))
  72                 {
  73                     text.append(new String(buffer, 0, numBytes));
  74                 }
  75             }
  76             finally
  77             {
  78                 stream.close();
  79             }
  80         }
  81
  82         return text.toString();
  83     }
  84
  85     public static String expandTemplate(String template, Map<String,String> terms)
  86     {
  87         String text = template;
  88         for (String key : terms.keySet())
  89         {
  90             text = text.replaceAll("\\$" + key + "\\$",
  91                                    Utility.quote(terms.get(key)));
  92         }
  93         return text;
  94     }
  95 }
  96