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/*
 * Copyright (c) CQSE GmbH
 *
 * 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.teamscale.commons.service.client;

import static org.conqat.lib.commons.string.StringUtils.isEmpty;

import java.net.URI;

import org.conqat.lib.commons.string.StringUtils;

/** Exception used for failing service calls. */
public class ServiceCallException extends Exception {

	/** Version for serialization. */
	private static final long serialVersionUID = 1;

	/** The status message of the server response. */
	private String statusMessage = null;

	/** The status code of the server response. */
	private int statusCode = 0;

	/** The body of the server response. */
	private String responseBody = null;

	public ServiceCallException(URI url, String statusMessage, int statusCode, String responseBody) {
		this(formatMessage(url, statusMessage, statusCode, responseBody));
		this.statusMessage = statusMessage;
		this.statusCode = statusCode;
		this.responseBody = responseBody;
	}

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

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

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

	public ServiceCallException(Throwable cause) {
		this(cause.getMessage(), cause);
	}

	private static String formatMessage(URI url, String statusMessage, int statusCode, String responseBody) {
		if (isEmpty(statusMessage)) {
			statusMessage = "(the server did not provide a detailed message)";
		}
		String message = "Request to '" + url + "' was not successful: " + statusCode + " " + statusMessage + ".";
		if (!isEmpty(responseBody)) {
			message += StringUtils.LINE_FEED + responseBody;
		}

		return message;
	}

	/** @see #statusMessage */
	public String getStatusMessage() {
		return statusMessage;
	}

	/** @see #statusCode */
	public int getStatusCode() {
		return statusCode;
	}

	/** @see #responseBody */
	public String getResponseBody() {
		return responseBody;
	}
}