applicationexception.java

Programming java 2 micro edition on symbian os 一书中作者写的使用了MMAPI的小拼图游戏

/*
 * Copyright 2003, 2004 Symbian Ltd.
 * For License terms see http://www.symbian.com/developer/techlib/codelicense.html
 */

package picturepuzzle;

/**
 * An application specific Exception thrown in response to an Java exception or
 * application error.
 */
public class ApplicationException extends Exception {
    
    private Exception exception;
    
    /**
     * Creates an ApplicationException in response to an application error.
     * @param message A message describing the circumstances of the error.
     */
    public ApplicationException(String message) {
        super(message);
    }
    
    /**
     * Creates an ApplicationException in response to a Java Exception being thrown.
     * @param exception The Java Exception.
     * @param message A message describing the circumstance of the Exception.
     */
    public ApplicationException(String message, Exception exception) {
        super(message);
        this.exception = exception;
    }
    
    /**
     * Returns the message associated with the Java Exception.
     * @return The Java Exception message.
     */
    public String getExceptionType() {
        if(exception != null) {
            return exception.getMessage();
        }else {
            return null;
        }
    }
    
}