Remove UncompressibleInputException

Since we can now calculate the maximum compressed length, there is no longer
a need to handle underestimated output array lengths by throwing this exception.

Author: piotrrzysko

src/main/java/me/lemire/integercompression/IntCompressor.java

@@ -33,22 +33,14 @@ public IntCompressor() {
      * 
      * @param input array to be compressed
      * @return compressed array
-     * @throws UncompressibleInputException if the data is too poorly compressible
      */
     public  int[] compress(int[] input) {
         int maxCompressedLength = codec.maxHeadlessCompressedLength(new IntWrapper(0), input.length);
         int[] compressed = new int[maxCompressedLength];
         // Store at index=0 the length of the input, hence enabling .headlessCompress
         compressed[0] = input.length;
         IntWrapper outpos = new IntWrapper(1);
-        try {
-            codec.headlessCompress(input, new IntWrapper(0),
-                    input.length, compressed, outpos);
-        } catch (IndexOutOfBoundsException ioebe) {
-            throw new
-            UncompressibleInputException("Your input is too poorly compressible "
-                    + "with the current codec : "+codec);
-        }
+        codec.headlessCompress(input, new IntWrapper(0), input.length, compressed, outpos);
         compressed = Arrays.copyOf(compressed,outpos.intValue());
         return compressed;
     }

src/main/java/me/lemire/integercompression/UncompressibleInputException.java

@@ -3,7 +3,6 @@
 import java.util.Arrays;
 
 import me.lemire.integercompression.IntWrapper;
-import me.lemire.integercompression.UncompressibleInputException;
 
 /**
  * This is a convenience class that wraps a codec to provide
@@ -36,20 +35,14 @@ public IntegratedIntCompressor() {
      * 
      * @param input array to be compressed
      * @return compressed array
-     * @throws UncompressibleInputException if the data is too poorly compressible
      */
     public  int[] compress(int[] input) {
         int maxCompressedLength = codec.maxHeadlessCompressedLength(new IntWrapper(0), input.length);
         int [] compressed = new int[maxCompressedLength];
         compressed[0] = input.length;
         IntWrapper outpos = new IntWrapper(1);
         IntWrapper initvalue = new IntWrapper(0);
-        try {
-            codec.headlessCompress(input, new IntWrapper(0), input.length, compressed, outpos, initvalue);
-        } catch (IndexOutOfBoundsException ioebe) {
-            throw new UncompressibleInputException(
-                    "Your input is too poorly compressible with the current codec : " + codec);
-        }
+        codec.headlessCompress(input, new IntWrapper(0), input.length, compressed, outpos, initvalue);
         compressed = Arrays.copyOf(compressed,outpos.intValue());
         return compressed;
     }

src/main/java/me/lemire/integercompression/differential/IntegratedIntCompressor.java

@@ -3,7 +3,6 @@
 import java.util.Arrays;
 
 import me.lemire.integercompression.IntWrapper;
-import me.lemire.integercompression.UncompressibleInputException;
 
 /**
  * This is a convenience class that wraps a codec to provide
@@ -37,21 +36,14 @@ public LongCompressor() {
      * 
      * @param input array to be compressed
      * @return compressed array
-     * @throws UncompressibleInputException if the data is too poorly compressible
      */
     public  long[] compress(long[] input) {
         int maxCompressedLength = codec.maxHeadlessCompressedLength(new IntWrapper(0), input.length);
         long[] compressed = new long[maxCompressedLength];
         // Store at index=0 the length of the input, hence enabling .headlessCompress
         compressed[0] = input.length;
         IntWrapper outpos = new IntWrapper(1);
-        try {
-            codec.headlessCompress(input, new IntWrapper(0),
-                    input.length, compressed, outpos);
-        } catch (IndexOutOfBoundsException ioebe) {
-            throw new UncompressibleInputException("Your input is too poorly compressible "
-                    + "with the current codec : "+codec);
-        }
+        codec.headlessCompress(input, new IntWrapper(0), input.length, compressed, outpos);
         compressed = Arrays.copyOf(compressed,outpos.intValue());
         return compressed;
     }