Java tutorial
/** 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 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.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.BandwidthJsonPacket; import org.waarp.openr66.protocol.localhandler.packet.json.JsonPacket; import com.fasterxml.jackson.databind.node.ArrayNode; import com.fasterxml.jackson.databind.node.ObjectNode; /** * Bandwidth Http REST interface: http://host/bandwidth?... + BandwidthJsonPacket as GET or PUT * * @author "Frederic Bregier" * */ public class HttpRestBandwidthR66Handler extends HttpRestAbstractR66Handler { public static final String BASEURI = "bandwidth"; /** * Internal Logger */ private static final WaarpLogger logger = WaarpLoggerFactory.getLogger(HttpRestBandwidthR66Handler.class); public HttpRestBandwidthR66Handler(RestConfiguration config, METHOD... methods) { super(BASEURI, config, METHOD.OPTIONS); setIntersectionMethods(methods, METHOD.GET, METHOD.PUT); } @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).serverHandler; // 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.Bandwidth.name()); try { if (json instanceof BandwidthJsonPacket) {// // setter, writeglobal, readglobal, writesession, readsession BandwidthJsonPacket node = (BandwidthJsonPacket) json; boolean setter = node.isSetter(); if (setter && arguments.getMethod() != METHOD.PUT) { // wrong result.setDetail("Setter should be requested with a PUT method"); setError(handler, result, HttpResponseStatus.CONFLICT); return; } else if (!setter && arguments.getMethod() != METHOD.GET) { // wrong result.setDetail("Getter should not be requested with a GET method"); setError(handler, result, HttpResponseStatus.CONFLICT); return; } if (setter) { result.setCommand(ACTIONS_TYPE.SetBandwidth.name()); } else { result.setCommand(ACTIONS_TYPE.GetBandwidth.name()); } // request of current values or set new values long[] lresult = serverHandler.bandwidth(setter, node.getWriteglobal(), node.getReadglobal(), node.getWritesession(), node.getReadsession()); // Now answer node.setWriteglobal(lresult[0]); node.setReadglobal(lresult[1]); node.setWritesession(lresult[2]); node.setReadsession(lresult[3]); setOk(handler, result, json, 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); } } protected ArrayNode getDetailedAllow() { ArrayNode node = JsonHandler.createArrayNode(); BandwidthJsonPacket node3 = new BandwidthJsonPacket(); node3.setComment("Bandwidth getter (GET)"); node3.setRequestUserPacket(); ObjectNode node2; ArrayNode node1 = JsonHandler.createArrayNode(); try { node1.add(node3.createObjectNode()); if (this.methods.contains(METHOD.GET)) { node2 = RestArgument.fillDetailedAllow(METHOD.GET, this.path, ACTIONS_TYPE.GetBandwidth.name(), node3.createObjectNode(), node1); node.add(node2); } } catch (OpenR66ProtocolPacketException e1) { } if (this.methods.contains(METHOD.PUT)) { node3.setComment("Bandwidth setter (PUT)"); try { node2 = RestArgument.fillDetailedAllow(METHOD.PUT, this.path, ACTIONS_TYPE.SetBandwidth.name(), node3.createObjectNode(), node1); node.add(node2); } catch (OpenR66ProtocolPacketException e1) { } } node2 = RestArgument.fillDetailedAllow(METHOD.OPTIONS, this.path, COMMAND_TYPE.OPTIONS.name(), null, null); node.add(node2); return node; } }