source/mir/misc/FileUtil.java

   1
   2 /*
   3  * put your module comment here
   4  */
   5
   6
   7 package mir.misc;
   8
   9 import  java.lang.*;
  10 import  java.util.*;
  11 import  java.io.*;
  12 import  java.net.*;
  13 import  freemarker.template.*;
  14 import  mir.entity.*;
  15 import  mir.storage.*;
  16 import javax.servlet.http.*;
  17
  18
  19 /**
  20  * Hilfsklasse zum Mergen von Template und Daten
  21  */
  22 public final class FileUtil {
  23
  24     private static boolean fileNameMapLoaded = false;
  25     private static FileNameMap fileNameMap;
  26     private static String producerStorageRoot;
  27
  28     //
  29     // Initialisierung
  30
  31     static {
  32       System.setProperty("content.types.user.table", MirConfig.getProp("Home")+"content-types.properties");
  33       System.err.println("DDD: "+MirConfig.getProp("Home")+"content-types.properties");
  34       fileNameMap = sun.net.www.MimeTable.loadTable();
  35       producerStorageRoot = MirConfig.getProp("Producer.StorageRoot");
  36     }
  37
  38   /**
  39    * Privater Konstruktor, um versehentliche Instantiierung zu verhindern
  40    */
  41   private FileUtil () {
  42   }
  43
  44   public static boolean write(String filename, byte[] in) {
  45
  46                 boolean retVal = false;
  47
  48                 if (in!=null) {
  49                         try {
  50                 File f = null;
  51                 f = new File(filename);
  52                                 File dir = new File(f.getParent());
  53                                 dir.mkdirs();
  54
  55                                 FileOutputStream outStream;
  56                                 outStream = new FileOutputStream(f);
  57                                 outStream.write(in);
  58                                 outStream.close();
  59                                 retVal = true;
  60                         } catch(IOException exception) {}
  61         }
  62                 return retVal;
  63         }
  64
  65   public static boolean read(String filename, byte out[]) {
  66
  67         File f = null;
  68         f = new File(filename);
  69
  70                 if (f.exists()) {
  71                         try {
  72                 if (out.length != f.length())
  73                     return false;
  74                                 FileInputStream inStream;
  75                                 inStream = new FileInputStream(f);
  76                                 inStream.read(out);
  77                                 inStream.close();
  78                         } catch(IOException exception) {
  79                 return false;
  80             }
  81         } else {
  82             return false;
  83         }
  84                 return true;
  85         }
  86
  87     public static long getSize(String filename) {
  88         File f = null;
  89         f = new File(filename);
  90         long l=0;
  91
  92                 if (f.exists()) {
  93                 return f.length();
  94         } else {
  95             return -1;
  96         }
  97     }
  98
  99     private static FileNameMap getFileNameMap() {
 100         if ((fileNameMap == null) && !fileNameMapLoaded) {
 101             fileNameMap = sun.net.www.MimeTable.loadTable();
 102             fileNameMapLoaded = true;
 103         }
 104
 105         return new FileNameMap() {
 106             private FileNameMap map = fileNameMap;
 107             public String getContentTypeFor(String fileName) {
 108                 return map.getContentTypeFor(fileName);
 109             }
 110         };
 111     }
 112
 113     public static void setFileNameMap(FileNameMap map) {
 114         fileNameMap = map;
 115     }
 116
 117     public static String guessContentTypeFromName(String fname) {
 118         String contentType = null;
 119
 120         System.err.println("NAME: "+fname);
 121         contentType = getFileNameMap().getContentTypeFor(fname);
 122         System.err.println("TYPE: "+contentType);
 123         return contentType;
 124     }
 125
 126
 127
 128
 129 }