readexception.java

大名鼎鼎的java动态脚本语言。已经通过了sun的认证

package org.codehaus.groovy.syntax;

import org.codehaus.groovy.GroovyException;

import java.io.IOException;

/**
 * Encapsulates non-specific i/o exceptions.
 */

public class ReadException extends GroovyException {
    private IOException cause = null;

    public ReadException(IOException cause) {
        super();
        this.cause = cause;
    }

    public ReadException(String message, IOException cause) {
        super(message);
        this.cause = cause;
    }

    public IOException getIOCause() {
        return this.cause;
    }

    public String toString() {
        String message = super.getMessage();
        if (message == null || message.trim().equals("")) {
            message = cause.getMessage();
        }

        return message;
    }

    public String getMessage() {
        return toString();
    }
}