hg/apifest08: task2/solution13/src/org/apidesign/apifest08/currency/ConversionNotSupportedException.java@a7e6f84fb078

     1 package org.apidesign.apifest08.currency;

     3 /**

     4  * Conversion not suported exception. This expecption may optionaly describe which conversion was required and failed.

     5  * Required conversion can be found in {@link #getFromCurrecyCode() } and {@link #getToCurrecyCode() }.

     6  *

     7  * @author arnostvalicek

     8  * @since version2

     9  */

    10 public class ConversionNotSupportedException extends ConvertorException {

    11     String from;

    12     String to;

    13     boolean reversed;

    15     public ConversionNotSupportedException() {

    16         super();

    17     }

    19     public ConversionNotSupportedException(String message) {

    20         super(message);

    21     }

    23     public ConversionNotSupportedException(String message, Throwable cause) {

    24         super(message, cause);

    25     }

    27     public ConversionNotSupportedException(Throwable cause) {

    28         super(cause);

    29     }

    31     /**

    32      * Create exception witd additional information about currencies which are not supported in coversion.

    33      * @param from Code of source currency.

    34      * @param to Code of target currency.

    35      * @param twoWay Set to <code>false</code> if <em>From-&gt;To</em> is not supported.

    36      *               Set to <code>true</code> if both ways <em>From-&gt;To</em> and <em>To->From</em> conversions are not supported.

    37      *

    38      */

    39     public ConversionNotSupportedException(String from, String to, boolean twoWay) {

    40         this.from = from;

    41         this.to = to;

    42         this.reversed = true;

    43     }

    45     @Override

    46     public String toString() {

    47         if (from!=null && to !=null) {

    48           if (reversed) {

    49              return "Neither onversion nor reverted conversion from " + from + " to " + to + "  is not supported,";

    50           }  else {

    51              return "Conversion from " + from + " to " + to + "  is not supported,";

    52           }

    53         } else {

    54             return super.toString();

    55         }

    56     }

    58     /**

    59      * Returns code of source currency. This value may be null.

    60      * @return Returns code of source currency.

    61      */

    62     public String getFromCurrecyCode() {

    63         return from;

    64     }

    66     /**

    67      * Returns code of target currency. This value may be null.

    68      * @return Returns code of target currency.

    69      */    public String getToCurrecyCode() {

    70         return to;

    71     }

    73     /**

    74      * Returns if one way of two way conversion is not supported.

    75      *

    76      * Value <code>false</code> means one way conversion is not supported. Value <code>true</code> means

    77      * that two way conversio is not supported.

    78      *

    79      * @return Returs <code>false</code> for one way conversion, <code>true</code> for two way conversion.

    80      */

    81     public boolean getTwoWayConversion() {

    82         return reversed;

    83     }

    85 }

author	japod@localhost
	Tue, 07 Oct 2008 01:18:23 +0200
changeset 41	a7e6f84fb078
permissions	-rw-r--r--