27 import java.io.ByteArrayInputStream;

    27 import java.io.ByteArrayInputStream;

    28 import java.io.ByteArrayOutputStream;

    28 import java.io.ByteArrayOutputStream;

    29 import java.io.DataInputStream;

    29 import java.io.DataInputStream;

    30 import java.io.DataOutputStream;

    30 import java.io.DataOutputStream;

    31 import java.io.IOException;

    31 import java.io.IOException;

    33 import java.util.Map;

    33 import java.util.Map;

    34 

    34 

    35 /**

    35 /**

    36  * Facilities for encoding/decoding a set of options to/from a byte array.

    36  * Facilities for encoding/decoding a set of options to/from a byte array.

    37  */

    37  */

   120      * Decodes {@code input} into a name/value map.

   120      * Decodes {@code input} into a name/value map.

   121      *

   121      *

   122      * @throws IllegalArgumentException if {@code input} cannot be decoded

   122      * @throws IllegalArgumentException if {@code input} cannot be decoded

   123      */

   123      */

   124     public static Map<String, Object> decode(byte[] input) {

   124     public static Map<String, Object> decode(byte[] input) {

   126         try (DataInputStream in = new DataInputStream(new ByteArrayInputStream(input))) {

   126         try (DataInputStream in = new DataInputStream(new ByteArrayInputStream(input))) {

   127             final int size = in.readInt();

   127             final int size = in.readInt();

   128             for (int i = 0; i < size; i++) {

   128             for (int i = 0; i < size; i++) {

   129                 final String key = in.readUTF();

   129                 final String key = in.readUTF();

   130                 final Object value;

   130                 final Object value;

   160                     default:

   160                     default:

   161                         throw new IllegalArgumentException("Unsupported value type: " + Integer.toHexString(type));

   161                         throw new IllegalArgumentException("Unsupported value type: " + Integer.toHexString(type));

   162                 }

   162                 }

   163                 res.put(key, value);

   163                 res.put(key, value);

   164             }

   164             }

   165         } catch (IOException ioe) {

   168         } catch (IOException ioe) {

   166             throw new IllegalArgumentException(ioe);

   169             throw new IllegalArgumentException(ioe);

   167         }

   170         }

   168         return res;

   171         return res;

   169     }

   172     }

   170 }

   173 }