org.carewebframework.vista.mbroker.RPCException.java Source code

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Here is the source code for org.carewebframework.vista.mbroker.RPCException.java

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/**
 * This Source Code Form is subject to the terms of the Mozilla Public License, v. 2.0.
 * If a copy of the MPL was not distributed with this file, You can obtain one at
 * http://mozilla.org/MPL/2.0/.
 *
 * This Source Code Form is also subject to the terms of the Health-Related Additional
 * Disclaimer of Warranty and Limitation of Liability available at
 * http://www.carewebframework.org/licensing/disclaimer.
 */
package org.carewebframework.vista.mbroker;

import org.apache.commons.lang.StringUtils;

/**
 * Wraps exceptions returned by an RPC.
 */
public class RPCException extends RuntimeException {

    private static final long serialVersionUID = 1L;

    private int code = 0;

    /**
     * Exception information parsed from the RPC return value.
     */
    private static class ExceptionInfo {

        private int code;

        private String text;

        private ExceptionInfo(String text) {
            int i = text.indexOf(Constants.LINE_SEPARATOR);
            String first = i < 1 ? "" : text.substring(0, i);

            if (StringUtils.isNumeric(first)) {
                code = Integer.parseInt(first);
                this.text = text.substring(++i);
            } else {
                this.text = text;
            }
        }
    }

    /**
     * Creates an exception based on the error text.
     *
     * @param text Error text returned by RPC.
     */
    public RPCException(String text) {
        this(new ExceptionInfo(text));
    }

    /**
     * Creates an exception from the parsed text.
     *
     * @param value Exception information.
     */
    private RPCException(ExceptionInfo value) {
        super(value.text);
        this.code = value.code;
    }

    /**
     * Returns the error code.
     *
     * @return The error code.
     */
    public int getCode() {
        return code;
    }

    @Override
    public String toString() {
        return code + ": " + super.toString();
    }
}