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Official Cloudant client for Java
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/*
 * Copyright (C) 2011 lightcouch.org
 * Copyright (c) 2015 IBM Corp. All rights reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file
 * except in compliance with the License. You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software distributed under the
 * License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
 * either express or implied. See the License for the specific language governing permissions
 * and limitations under the License.
 */

package com.cloudant.client.org.lightcouch;

/**
 * Base runtime exception class.
 *
 * @author Ahmed Yehia
 * @see NoDocumentException
 * @see DocumentConflictException
 */
public class CouchDbException extends RuntimeException {

    private static final long serialVersionUID = 1L;

    public CouchDbException(String message) {
        super(message);
    }

    public CouchDbException(Throwable cause) {
        super(cause);
    }

    public CouchDbException(String message, Throwable cause) {
        super(message, cause);
    }

    private int statusCode;
    private String url = null;
    protected String error = null;
    protected String reason = null;

    public CouchDbException(String message, int statusCode) {
        super(message);
        this.statusCode = statusCode;
    }

    public CouchDbException(String message, Throwable cause, int statusCode) {
        super(message, cause);
        this.statusCode = statusCode;
    }

    public int getStatusCode() {
        return this.statusCode;
    }

    /**
     *
     * @return the error string returned by the server or {@code null} if there was not one.
     */
    public String getError() {
        return error;
    }

    /**
     *
     * @return the reason string returned by the server or {@code null} if there was not one.
     */
    public String getReason() {
        return reason;
    }

    @Override
    public String getMessage() {
        String msg = super.getMessage();
        // trim trailing full stop
        msg = (msg != null && msg.endsWith(".")) ? msg.substring(0, msg.length() - 1) : msg;

        // include the status code, URL, error and reason (if available)
        return ((getStatusCode() > 0) ? getStatusCode() + " " : "") + msg
                + ((url != null) ? " at " + url : "") + "."
                + ((error != null) ? " Error: " + getError() + ".": "")
                + ((reason != null) ? " Reason: " + getReason() + ".": "");
    }

    /**
     * Set the URL that resulted in this exception being thrown.
     *
     * @param url the {@link String} representation of a URL
     */
    public void setUrl(String url) {
        this.url = url;
    }
}