HttpRestLogR66Handler.java

/**
   This file is part of Waarp Project.

   Copyright 2009, Frederic Bregier, and individual contributors by the @author
   tags. See the COPYRIGHT.txt in the distribution for a full listing of
   individual contributors.

   All Waarp Project is free software: you can redistribute it and/or 
   modify it under the terms of the GNU General Public License as published 
   by the Free Software Foundation, either version 3 of the License, or
   (at your option) any later version.

   Waarp is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.

   You should have received a copy of the GNU General Public License
   along with Waarp .  If not, see <http://www.gnu.org/licenses/>.
 */
package org.waarp.openr66.protocol.http.rest.handler;

import java.sql.Timestamp;
import java.util.Date;

import io.netty.handler.codec.http.HttpResponseStatus;
import org.waarp.common.database.data.AbstractDbData;
import org.waarp.common.json.JsonHandler;
import org.waarp.common.logging.WaarpLogger;
import org.waarp.common.logging.WaarpLoggerFactory;
import org.waarp.gateway.kernel.exception.HttpIncorrectRequestException;
import org.waarp.gateway.kernel.exception.HttpInvalidAuthenticationException;
import org.waarp.gateway.kernel.rest.HttpRestHandler;
import org.waarp.gateway.kernel.rest.RestConfiguration;
import org.waarp.gateway.kernel.rest.DataModelRestMethodHandler.COMMAND_TYPE;
import org.waarp.gateway.kernel.rest.HttpRestHandler.METHOD;
import org.waarp.gateway.kernel.rest.RestArgument;
import org.waarp.openr66.protocol.exception.OpenR66ProtocolBusinessException;
import org.waarp.openr66.protocol.exception.OpenR66ProtocolNotAuthenticatedException;
import org.waarp.openr66.protocol.exception.OpenR66ProtocolPacketException;
import org.waarp.openr66.protocol.http.rest.HttpRestR66Handler;
import org.waarp.openr66.protocol.http.rest.HttpRestR66Handler.RESTHANDLERS;
import org.waarp.openr66.protocol.localhandler.ServerActions;
import org.waarp.openr66.protocol.localhandler.packet.json.JsonPacket;
import org.waarp.openr66.protocol.localhandler.packet.json.LogJsonPacket;
import org.waarp.openr66.protocol.localhandler.packet.json.LogResponseJsonPacket;

import com.fasterxml.jackson.databind.node.ArrayNode;
import com.fasterxml.jackson.databind.node.ObjectNode;

/**
 * Log Http REST interface: http://host/log?... + LogJsonPacket as GET
 * 
 * @author "Frederic Bregier"
 *
 */
public class HttpRestLogR66Handler extends HttpRestAbstractR66Handler {

    public static final String BASEURI = "log";
    /**
     * Internal Logger
     */
    private static final WaarpLogger logger = WaarpLoggerFactory
            .getLogger(HttpRestLogR66Handler.class);

    public HttpRestLogR66Handler(RestConfiguration config, METHOD... methods) {
        super(BASEURI, config, METHOD.OPTIONS);
        setIntersectionMethods(methods, METHOD.GET);
    }

    @Override
    public void endParsingRequest(HttpRestHandler handler, RestArgument arguments, RestArgument result, Object body)
            throws HttpIncorrectRequestException, HttpInvalidAuthenticationException {
        logger.debug("debug: {} ### {}", arguments, result);
        if (body != null) {
            logger.debug("Obj: {}", body);
        }
        handler.setWillClose(false);
        ServerActions serverHandler = ((HttpRestR66Handler) handler).getServerHandler();
        // now action according to body
        JsonPacket json = (JsonPacket) body;
        if (json == null) {
            result.setDetail("not enough information");
            setError(handler, result, HttpResponseStatus.BAD_REQUEST);
            return;
        }
        result.getAnswer().put(AbstractDbData.JSON_MODEL, RESTHANDLERS.Log.name());
        try {
            if (json instanceof LogJsonPacket) {//
                result.setCommand(ACTIONS_TYPE.GetLog.name());
                LogJsonPacket node = (LogJsonPacket) json;
                boolean purge = node.isPurge();
                boolean clean = node.isClean();
                Timestamp start = (node.getStart() == null) ? null :
                        new Timestamp(node.getStart().getTime());
                Timestamp stop = (node.getStop() == null) ? null :
                        new Timestamp(node.getStop().getTime());
                String startid = node.getStartid();
                String stopid = node.getStopid();
                String rule = node.getRule();
                String request = node.getRequest();
                boolean pending = node.isStatuspending();
                boolean transfer = node.isStatustransfer();
                boolean done = node.isStatusdone();
                boolean error = node.isStatuserror();
                boolean isPurge = purge;
                String sresult[] = serverHandler.logPurge(purge, clean, start, stop, startid, stopid, rule, request,
                        pending, transfer, done, error, isPurge);
                LogResponseJsonPacket newjson = new LogResponseJsonPacket();
                newjson.fromJson(node);
                // Now answer
                newjson.setCommand(node.getRequestUserPacket());
                newjson.setFilename(sresult[0]);
                newjson.setExported(Long.parseLong(sresult[1]));
                newjson.setPurged(Long.parseLong(sresult[2]));
                setOk(handler, result, newjson, HttpResponseStatus.OK);
            } else {
                logger.info("Validation is ignored: " + json);
                result.setDetail("Unknown command");
                setError(handler, result, json, HttpResponseStatus.PRECONDITION_FAILED);
            }
        } catch (OpenR66ProtocolNotAuthenticatedException e) {
            throw new HttpInvalidAuthenticationException(e);
        } catch (OpenR66ProtocolBusinessException e) {
            throw new HttpIncorrectRequestException(e);
        }
    }

    protected ArrayNode getDetailedAllow() {
        ArrayNode node = JsonHandler.createArrayNode();

        if (this.methods.contains(METHOD.GET)) {
            LogJsonPacket node3 = new LogJsonPacket();
            node3.setRequestUserPacket();
            node3.setComment("Log export request (GET)");
            node3.setRequest("The requester or requested host name");
            node3.setRule("The rule name");
            node3.setStart(new Date());
            node3.setStop(new Date());
            node3.setStartid("Start id - long -");
            node3.setStopid("Stop id - long -");
            ObjectNode node2;
            LogResponseJsonPacket resp = new LogResponseJsonPacket();
            resp.setComment("Log export response");
            resp.setFilename("filepath");
            ArrayNode node1 = JsonHandler.createArrayNode();
            try {
                node1.add(resp.createObjectNode());
                node2 = RestArgument.fillDetailedAllow(METHOD.GET, this.path, ACTIONS_TYPE.GetLog.name(),
                        node3.createObjectNode(), node1);
                node.add(node2);
            } catch (OpenR66ProtocolPacketException e1) {
            }
        }

        ObjectNode node2 = RestArgument.fillDetailedAllow(METHOD.OPTIONS, this.path, COMMAND_TYPE.OPTIONS.name(), null,
                null);
        node.add(node2);

        return node;
    }
}