/*******************************************************************************
 * ============LICENSE_START==================================================
 * * org.onap.dmaap
 * * ===========================================================================
 * * Copyright © 2017 AT&T Intellectual Property. 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.
 * * ============LICENSE_END====================================================
 * *
 * * ECOMP is a trademark and service mark of AT&T Intellectual Property.
 * *
 ******************************************************************************/


package org.onap.dmaap.datarouter.provisioning.beans;

import java.security.cert.X509Certificate;

import javax.servlet.http.HttpServletRequest;

import org.onap.dmaap.datarouter.provisioning.BaseServlet;

/**
 * This class is used to log provisioning server events.  Each event consists of a who
 * (who made the provisioning request including the IP address, the X-DMAAP-DR-ON-BEHALF-OF
 * header value, and the client certificate), a what (what request was made; the method
 * and servlet involved), and a how (how the request was handled; the result code and
 * message returned to the client).
 *
 * @author Robert Eby
 * @version $Id: EventLogRecord.java,v 1.1 2013/04/26 21:00:25 eby Exp $
 */
public class EventLogRecord {
    private final String ipaddr;        // Who
    private final String behalfof;
    private final String clientSubject;
    private final String method;        // What
    private final String servlet;
    private int result;                    // How
    private String message;

    /**
     * EventLogRecord constructor.
     * @param request HTTP Request
     */
    public EventLogRecord(HttpServletRequest request) {
        // Who is making the request
        this.ipaddr = request.getRemoteAddr();
        String str = request.getHeader(BaseServlet.BEHALF_HEADER);
        this.behalfof = (str != null) ? str : "";
        X509Certificate [] certs = (X509Certificate[]) request.getAttribute(BaseServlet.CERT_ATTRIBUTE);
        this.clientSubject = (certs != null && certs.length > 0)
                ? certs[0].getSubjectX500Principal().getName() : "";

        // What is the request
        this.method = request.getMethod();
        this.servlet = request.getServletPath();

        // How was it dealt with
        this.result = -1;
        this.message = "";
    }

    public void setResult(int result) {
        this.result = result;
    }

    public void setMessage(String message) {
        this.message = message;
    }

    @Override
    public String toString() {
        return String.format(
                "%s %s \"%s\" %s %s %d \"%s\"",
                ipaddr, behalfof, clientSubject,
                method, servlet,
                result, message
        );
    }
}