Sky at Night 2007 June/SAN CD 6-2007 CD-ROM 25.iso/pc/Software/AstroGrav_Win/Java/jre1.6.0/lib/rt.jar/java/lang/StringCoding.class

Java Class File | 2006-11-29 | 3.6 KB | 171 lines

package java.lang;

import java.io.UnsupportedEncodingException;
import java.lang.ref.SoftReference;
import java.nio.charset.Charset;
import java.nio.charset.IllegalCharsetNameException;
import java.nio.charset.UnsupportedCharsetException;
import java.util.Arrays;
import sun.misc.MessageUtils;

class StringCoding {
   private static ThreadLocal decoder = new ThreadLocal();
   private static ThreadLocal encoder = new ThreadLocal();
   private static boolean warnUnsupportedCharset = true;

   private StringCoding() {
   }

   private static Object deref(ThreadLocal var0) {
      SoftReference var1 = (SoftReference)var0.get();
      return var1 == null ? null : var1.get();
   }

   private static void set(ThreadLocal var0, Object var1) {
      var0.set(new SoftReference(var1));
   }

   private static byte[] safeTrim(byte[] var0, int var1, Charset var2) {
      return var1 != var0.length || System.getSecurityManager() != null && var2.getClass().getClassLoader0() != null ? Arrays.copyOf(var0, var1) : var0;
   }

   private static char[] safeTrim(char[] var0, int var1, Charset var2) {
      return var1 != var0.length || System.getSecurityManager() != null && var2.getClass().getClassLoader0() != null ? Arrays.copyOf(var0, var1) : var0;
   }

   private static int scale(int var0, float var1) {
      return (int)((double)var0 * (double)var1);
   }

   private static Charset lookupCharset(String var0) {
      if (Charset.isSupported(var0)) {
         try {
            return Charset.forName(var0);
         } catch (UnsupportedCharsetException var2) {
            throw new Error(var2);
         }
      } else {
         return null;
      }
   }

   private static void warnUnsupportedCharset(String var0) {
      if (warnUnsupportedCharset) {
         MessageUtils.err("WARNING: Default charset " + var0 + " not supported, using ISO-8859-1 instead");
         warnUnsupportedCharset = false;
      }

   }

   static char[] decode(String var0, byte[] var1, int var2, int var3) throws UnsupportedEncodingException {
      StringDecoder var4 = (StringDecoder)deref(decoder);
      String var5 = var0 == null ? "ISO-8859-1" : var0;
      if (var4 == null || !var5.equals(var4.requestedCharsetName()) && !var5.equals(var4.charsetName())) {
         var4 = null;

         try {
            Charset var6 = lookupCharset(var5);
            if (var6 != null) {
               var4 = new StringDecoder(var6, var5, (1)null);
            }
         } catch (IllegalCharsetNameException var7) {
         }

         if (var4 == null) {
            throw new UnsupportedEncodingException(var5);
         }

         set(decoder, var4);
      }

      return var4.decode(var1, var2, var3);
   }

   static char[] decode(Charset var0, byte[] var1, int var2, int var3) {
      StringDecoder var4 = new StringDecoder(var0, var0.name(), (1)null);
      byte[] var5 = Arrays.copyOf(var1, var1.length);
      return var4.decode(var5, var2, var3);
   }

   static char[] decode(byte[] var0, int var1, int var2) {
      String var3 = Charset.defaultCharset().name();

      try {
         return decode(var3, var0, var1, var2);
      } catch (UnsupportedEncodingException var6) {
         warnUnsupportedCharset(var3);

         try {
            return decode("ISO-8859-1", var0, var1, var2);
         } catch (UnsupportedEncodingException var5) {
            MessageUtils.err("ISO-8859-1 charset not available: " + var5.toString());
            System.exit(1);
            return null;
         }
      }
   }

   static byte[] encode(String var0, char[] var1, int var2, int var3) throws UnsupportedEncodingException {
      StringEncoder var4 = (StringEncoder)deref(encoder);
      String var5 = var0 == null ? "ISO-8859-1" : var0;
      if (var4 == null || !var5.equals(var4.requestedCharsetName()) && !var5.equals(var4.charsetName())) {
         var4 = null;

         try {
            Charset var6 = lookupCharset(var5);
            if (var6 != null) {
               var4 = new StringEncoder(var6, var5, (1)null);
            }
         } catch (IllegalCharsetNameException var7) {
         }

         if (var4 == null) {
            throw new UnsupportedEncodingException(var5);
         }

         set(encoder, var4);
      }

      return var4.encode(var1, var2, var3);
   }

   static byte[] encode(Charset var0, char[] var1, int var2, int var3) {
      StringEncoder var4 = new StringEncoder(var0, var0.name(), (1)null);
      char[] var5 = Arrays.copyOf(var1, var1.length);
      return var4.encode(var5, var2, var3);
   }

   static byte[] encode(char[] var0, int var1, int var2) {
      String var3 = Charset.defaultCharset().name();

      try {
         return encode(var3, var0, var1, var2);
      } catch (UnsupportedEncodingException var6) {
         warnUnsupportedCharset(var3);

         try {
            return encode("ISO-8859-1", var0, var1, var2);
         } catch (UnsupportedEncodingException var5) {
            MessageUtils.err("ISO-8859-1 charset not available: " + var5.toString());
            System.exit(1);
            return null;
         }
      }
   }

   // $FF: synthetic method
   static int access$000(int var0, float var1) {
      return scale(var0, var1);
   }

   // $FF: synthetic method
   static char[] access$100(char[] var0, int var1, Charset var2) {
      return safeTrim(var0, var1, var2);
   }

   // $FF: synthetic method
   static byte[] access$300(byte[] var0, int var1, Charset var2) {
      return safeTrim(var0, var1, var2);
   }
}