japod@41: package org.apidesign.apifest08.currency;
japod@41: 
japod@41: /**
japod@41:  * Conversion not suported exception. This expecption may optionaly describe which conversion was required and failed.
japod@41:  * Required conversion can be found in {@link #getFromCurrecyCode() } and {@link #getToCurrecyCode() }.
japod@41:  * 
japod@41:  * @author arnostvalicek
japod@41:  * @since version2
japod@41:  */
japod@41: public class ConversionNotSupportedException extends ConvertorException {
japod@41:     String from;
japod@41:     String to;
japod@41:     boolean reversed;
japod@41:     
japod@41:     public ConversionNotSupportedException() {
japod@41:         super();
japod@41:     }
japod@41: 
japod@41:     public ConversionNotSupportedException(String message) {
japod@41:         super(message);
japod@41:     }
japod@41: 
japod@41:     public ConversionNotSupportedException(String message, Throwable cause) {
japod@41:         super(message, cause);
japod@41:     }
japod@41: 
japod@41:     public ConversionNotSupportedException(Throwable cause) {
japod@41:         super(cause);
japod@41:     }
japod@41:     
japod@41:     /**
japod@41:      * Create exception witd additional information about currencies which are not supported in coversion.
japod@41:      * @param from Code of source currency.
japod@41:      * @param to Code of target currency.
japod@41:      * @param twoWay Set to <code>false</code> if <em>From-&gt;To</em> is not supported.
japod@41:      *               Set to <code>true</code> if both ways <em>From-&gt;To</em> and <em>To->From</em> conversions are not supported.
japod@41:      *               
japod@41:      */
japod@41:     public ConversionNotSupportedException(String from, String to, boolean twoWay) {
japod@41:         this.from = from;
japod@41:         this.to = to;
japod@41:         this.reversed = true;
japod@41:     }
japod@41: 
japod@41:     @Override
japod@41:     public String toString() {
japod@41:         if (from!=null && to !=null) {
japod@41:           if (reversed) {
japod@41:              return "Neither onversion nor reverted conversion from " + from + " to " + to + "  is not supported,"; 
japod@41:           }  else {
japod@41:              return "Conversion from " + from + " to " + to + "  is not supported,"; 
japod@41:           }
japod@41:         } else {
japod@41:             return super.toString();
japod@41:         }
japod@41:     }
japod@41:     
japod@41:     /**
japod@41:      * Returns code of source currency. This value may be null.
japod@41:      * @return Returns code of source currency.
japod@41:      */
japod@41:     public String getFromCurrecyCode() {
japod@41:         return from;
japod@41:     }
japod@41: 
japod@41:     /**
japod@41:      * Returns code of target currency. This value may be null.
japod@41:      * @return Returns code of target currency.
japod@41:      */    public String getToCurrecyCode() {
japod@41:         return to;
japod@41:     }
japod@41:      
japod@41:     /**
japod@41:      * Returns if one way of two way conversion is not supported.
japod@41:      * 
japod@41:      * Value <code>false</code> means one way conversion is not supported. Value <code>true</code> means
japod@41:      * that two way conversio is not supported.
japod@41:      * 
japod@41:      * @return Returs <code>false</code> for one way conversion, <code>true</code> for two way conversion.
japod@41:      */ 
japod@41:     public boolean getTwoWayConversion() {
japod@41:         return reversed;
japod@41:     }
japod@41: 
japod@41: }