Now that we are on Java 1.4, we can save the original exception when we re-throw another exception.

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/codec/trunk@797688 13f79535-47bb-0310-9956-ffa450edef68

Author: garydgregory

src/java/org/apache/commons/codec/EncoderException.java

@@ -18,10 +18,9 @@
 package org.apache.commons.codec;
 
 /**
- * Thrown when there is a failure condition during the encoding process.  This
- * exception is thrown when an Encoder encounters a encoding specific exception
- * such as invalid data, inability to calculate a checksum, characters outside of the 
- * expected range.
+ * Thrown when there is a failure condition during the encoding process. This exception is thrown when an Encoder
+ * encounters a encoding specific exception such as invalid data, inability to calculate a checksum, characters outside
+ * of the expected range.
  * 
  * @author Apache Software Foundation
  * @version $Id$
@@ -38,10 +37,36 @@ public class EncoderException extends Exception {
     /**
      * Creates a new instance of this exception with an useful message.
      * 
-     * @param message a useful message relating to the encoder specific error.
+     * @param message
+     *            a useful message relating to the encoder specific error.
      */
     public EncoderException(String message) {
         super(message);
     }
-}  
 
+    /**
+     * Creates a EncoderException.
+     * 
+     * @param cause
+     *            The cause which is saved for later retrieval by the {@link #getCause()} method. A <code>null</code>
+     *            value is permitted, and indicates that the cause is nonexistent or unknown.
+     * @since 1.4
+     */
+    public EncoderException(Throwable cause) {
+        super(cause);
+    }
+
+    /**
+     * Creates a EncoderException.
+     * 
+     * @param message
+     *            The detail message which is saved for later retrieval by the {@link #getMessage()} method.
+     * @param cause
+     *            The cause which is saved for later retrieval by the {@link #getCause()} method. A <code>null</code>
+     *            value is permitted, and indicates that the cause is nonexistent or unknown.
+     * @since 1.4
+     */
+    public EncoderException(String message, Throwable cause) {
+        super(message, cause);
+    }
+}

src/java/org/apache/commons/codec/binary/Hex.java

@@ -221,7 +221,7 @@ public Object encode(Object object) throws EncoderException {
             byte[] byteArray = object instanceof String ? ((String) object).getBytes() : (byte[]) object;
             return encodeHex(byteArray);
         } catch (ClassCastException e) {
-            throw new EncoderException(e.getMessage());
+            throw new EncoderException(e.getMessage(), e);
         }
     }
 

src/java/org/apache/commons/codec/net/BCodec.java

@@ -108,7 +108,7 @@ public String encode(final String value, final String charset) throws EncoderExc
         try {
             return encodeText(value, charset);
         } catch (UnsupportedEncodingException e) {
-            throw new EncoderException(e.getMessage());
+            throw new EncoderException(e.getMessage(), e);
         }
     }
 

src/java/org/apache/commons/codec/net/QCodec.java

@@ -190,7 +190,7 @@ public String encode(final String pString, final String charset) throws EncoderE
         try {
             return encodeText(pString, charset);
         } catch (UnsupportedEncodingException e) {
-            throw new EncoderException(e.getMessage());
+            throw new EncoderException(e.getMessage(), e);
         }
     }
 

src/java/org/apache/commons/codec/net/QuotedPrintableCodec.java

@@ -255,7 +255,7 @@ public String encode(String pString) throws EncoderException {
         try {
             return encode(pString, getDefaultCharset());
         } catch (UnsupportedEncodingException e) {
-            throw new EncoderException(e.getMessage());
+            throw new EncoderException(e.getMessage(), e);
         }
     }
 

src/java/org/apache/commons/codec/net/URLCodec.java

@@ -244,7 +244,7 @@ public String encode(String pString) throws EncoderException {
         try {
             return encode(pString, getDefaultCharset());
         } catch (UnsupportedEncodingException e) {
-            throw new EncoderException(e.getMessage());
+            throw new EncoderException(e.getMessage(), e);
         }
     }