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/**
* COOS - Connected Objects Operating System (www.connectedobjects.org).
*
* Copyright (C) 2009 Telenor ASA and Tellu AS. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This library is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published
* by the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program. If not, see .
*
* You may also contact one of the following for additional information:
* Telenor ASA, Snaroyveien 30, N-1331 Fornebu, Norway (www.telenor.no)
* Tellu AS, Hagalokkveien 13, N-1383 Asker, Norway (www.tellu.no)
*/
package org.coos.messaging;
import java.io.InputStream;
import java.util.HashMap;
import java.util.Hashtable;
import java.util.Map;
import java.util.concurrent.ConcurrentHashMap;
import org.coos.coosXMLSchema.ChannelMappingType;
import org.coos.coosXMLSchema.ChannelType;
import org.coos.coosXMLSchema.ChannelserverType;
import org.coos.coosXMLSchema.CoosDocument;
import org.coos.coosXMLSchema.CoosType;
import org.coos.coosXMLSchema.CostType;
import org.coos.coosXMLSchema.FilterType;
import org.coos.coosXMLSchema.InBoundType;
import org.coos.coosXMLSchema.OutBoundType;
import org.coos.coosXMLSchema.ProcessorType;
import org.coos.coosXMLSchema.PropertyType;
import org.coos.coosXMLSchema.QosclassType;
import org.coos.coosXMLSchema.RouteralgorithmType;
import org.coos.coosXMLSchema.RouterprocessorType;
import org.coos.coosXMLSchema.SegmentType;
import org.coos.coosXMLSchema.TransportType;
import org.coos.messaging.routing.DirectAlgorithm;
import org.coos.messaging.routing.Router;
import org.coos.messaging.routing.RouterChannel;
import org.coos.messaging.routing.RouterProcessor;
import org.coos.messaging.routing.RouterSegment;
import org.coos.messaging.routing.RoutingAlgorithm;
import org.coos.messaging.transport.DefaultChannelServer;
import org.coos.messaging.util.Log;
import org.coos.messaging.util.LogFactory;
import org.coos.messaging.util.UuidHelper;
/**
* Factory for COOS instances
*
* @author Knut Eilif Husa, Tellu AS
*/
public class COOSFactory extends COFactory {
private static final Log logger = LogFactory.getLog(COOSFactory.class.getName());
protected static Map sharedProcessors = new HashMap();
protected static Map processorTypes = new HashMap();
private static Map coosInstances = new ConcurrentHashMap();
private static String defaultCoosInstanceName = null;
private COOSFactory() {
}
public static COOS getCOOSInstance(String COOSInstanceName) {
return coosInstances.get(COOSInstanceName);
}
/**
* Default COOS instance for testing.
*
* @return A COOS instance
*/
public static COOS getDefaultCOOSInstance() {
if (defaultCoosInstanceName == null) {
for (String s : coosInstances.keySet()) {
defaultCoosInstanceName = s;
break;
}
}
return coosInstances.get(defaultCoosInstanceName);
}
public static void clear(){
coosInstances.clear();
defaultCoosInstanceName = null;
}
/**
* Default COOS instance for testing.
*
* @param coos - a COOS instance
*/
public static void setDefaultCOOSInstanceName(String coosName) {
defaultCoosInstanceName = coosName;
}
/**
* Create COOS instance.
*
* @deprecated use createCOOS(InputStream, COContainer)
* @param config XML configuration
* @return COOS instance
* @throws Exception if errors in configuration is found
*/
@Deprecated
public static COOS createCOOS(InputStream config) throws Exception {
return createCOOS(config, null);
}
/**
* Create COOS instance.
*
* @param config XML configuration
* @param container COContainer in which COOS instance is started
* @return COOS instance
* @throws Exception if errors in configuration is found
*/
public static COOS createCOOS(InputStream config, COContainer container) throws Exception {
//XmlOptions options = new XmlOptions();
CoosDocument doc = CoosDocument.Factory.parse(config);
COOS coos = instantiate(doc.getCoos(),container);
coos.setCoosContainer(container);
return coos;
}
private static COOS instantiate(CoosType model, COContainer container) throws Exception {
COOS coos = new COOS();
if (model.getName() == null) {
throw new Exception("COOS instance has no name. Must be defined!");
}
coos.setName(model.getName());
if (model.getRouter() == null) {
throw new Exception("COOS must contain a router. Must be defined!");
}
if (model.getRouter().getClass1() == null) {
throw new Exception("COOS router must have a implementing class. Must be defined!");
}
Class cl = COOSFactory.tryClass(container,model.getRouter().getClass1());
Router router = (Router) cl.newInstance();
coos.setRouter(router);
// routerprocessors
for (int i = 0; i < model.getRouter().getRouterprocessorArray().length; i++) {
ProcessorType processorType = model.getRouter().getRouterprocessorArray()[i];
if (processorType.getName() == null || processorType.getClass1() == null) {
throw new Exception("COOS processors must have a name and a implementing class. Must be defined!");
}
String name = processorType.getName();
String className = processorType.getClass1();
boolean isShared = processorType.getShared();
Map props = new HashMap();
for (int j = 0; j < processorType.getPropertyArray().length; j++) {
PropertyType propertyType = processorType.getPropertyArray()[j];
props.put(propertyType.getName(), propertyType.getValue());
}
Class processorClass = COOSFactory.tryClass(container,className);
Processor processor = (Processor) processorClass.newInstance();
processor.setShared(isShared);
processor.setProperties(new Hashtable(props));
coos.addProcessor(name, processor);
}
// preProcessors
for (int i = 0; i < model.getRouter().getPreprocessorArray().length; i++) {
RouterprocessorType routerprocessorType = model.getRouter().getPreprocessorArray()[i];
if (coos.getProcessor(routerprocessorType.getRouterprocessor()) == null) {
throw new Exception("COOS processors with name: " + routerprocessorType.getRouterprocessor()
+ " is not defined. referenced from router preprocessors!");
}
router.addPreProcessor((RouterProcessor) coos.getProcessor(routerprocessorType.getRouterprocessor()));
}
// postProcessors
for (int i = 0; i < model.getRouter().getPostprocessorArray().length; i++) {
RouterprocessorType routerprocessorType = model.getRouter().getPostprocessorArray()[i];
if (coos.getProcessor(routerprocessorType.getRouterprocessor()) == null) {
throw new Exception("COOS processors with name: " + routerprocessorType.getRouterprocessor()
+ " is not defined. referenced from router postprocessors!");
}
router.addPostProcessor((RouterProcessor) coos.getProcessor(routerprocessorType.getRouterprocessor()));
}
// qosclass
for (int i = 0; i < model.getRouter().getQosclassArray().length; i++) {
QosclassType qosclassType = model.getRouter().getQosclassArray()[i];
if (qosclassType.getName() == null) {
throw new Exception("COOS QoS types must have a name. Must be defined!");
}
router.addQoSClass(qosclassType.getName(), Boolean.valueOf(qosclassType.getDefault()));
}
//RoutingAlgorithms
for (int j = 0; j < model.getRouter().getRouteralgorithmArray().length; j++) {
RouteralgorithmType routeralgorithmType = model.getRouter().getRouteralgorithmArray()[j];
String algName = routeralgorithmType.getName();
if (algName == null || routeralgorithmType.getClass1() == null) {
throw new Exception(
"COOS router algorithms must have a name and a implementing class. Must be defined!");
}
String className = routeralgorithmType.getClass1();
Class algorithmClass = COOSFactory.tryClass(container,className);
Map props = new HashMap();
for (int k = 0; k < routeralgorithmType.getPropertyArray().length; k++) {
PropertyType propertyType = routeralgorithmType.getPropertyArray()[k];
props.put(propertyType.getName(), propertyType.getValue());
}
RoutingAlgorithm algorithm = (RoutingAlgorithm) algorithmClass.newInstance();
algorithm.setProperties(new Hashtable(props));
coos.addRoutingAlgorithm(algName, algorithm);
}
// segment
boolean defaultSegmentDefined = false;
for (int i = 0; i < model.getRouter().getSegmentArray().length; i++) {
SegmentType segmentType = model.getRouter().getSegmentArray()[i];
String segmentName = segmentType.getName();
if (segmentName == null || segmentName.equals("")) {
segmentName = ".";
}
if (segmentName.equals(Router.LOCAL_SEGMENT) || segmentName.equals(Router.DICO_SEGMENT)
|| segmentName.indexOf('/') != -1 || segmentName.indexOf('\\') != -1
|| segmentName.indexOf(' ') != -1 || segmentName.indexOf('-') != -1) {
throw new Exception("Invalid COOS segment: " + segmentName
+ " Can not contain: blanks, \\, /, - or the reserved segment 'localcoos' and 'dico'.");
}
String routerUuid;
if (segmentType.getRouteruuid() != null && !segmentType.getRouteruuid().equals("")){
routerUuid = Router.ROUTER_UUID_PREFIX + segmentType.getRouteruuid();
} else {
routerUuid = Router.ROUTER_UUID_PREFIX + coos.getName();
}
if (routerUuid == null) {
throw new Exception(
"COOS Segments must have a segment unique identification of the Router uuid. Must be defined!");
}
if(routerUuid.contains(".")){
throw new Exception(
"Router uuid cannot contain '.', The segment is explicitly declared in segment attribute.");
}
if (segmentName.equals(".")) {
routerUuid = segmentName + routerUuid;
} else {
routerUuid = segmentName + "." + routerUuid;
}
String routerAlgorithm = segmentType.getRouteralgorithm();
if (segmentType.getRouteralgorithm() == null) {
throw new Exception("COOS Segments must have a router algorithm. Must be defined!");
}
String defaultSegmentStr = segmentType.getDefaultSegment();
boolean defaultSegment = defaultSegmentStr != null && defaultSegmentStr.equalsIgnoreCase("true");
if(defaultSegment){
defaultSegmentDefined = true;
}
RoutingAlgorithm prototypeAlg = coos.getRoutingAlgorithm(routerAlgorithm);
if (prototypeAlg == null) {
throw new Exception("COOS router algorithm: " + routerAlgorithm
+ " is not defined. Must be defined!");
}
RoutingAlgorithm algorithm = prototypeAlg.copy();
if (segmentType.getLogging() != null) {
algorithm.setLoggingEnabled(segmentType.getLogging().equalsIgnoreCase("true"));
}
algorithm.init(routerUuid, router);
coos.addSegment(new RouterSegment(segmentName, routerUuid, routerAlgorithm, defaultSegment));
}
if(!defaultSegmentDefined){
//First segment in list is defined as default
for (RouterSegment rs : coos.getSegmentMap().values()) {
rs.setDefaultSegment(true);
break;
}
}
router.setSegmentMappings(new Hashtable(coos.getSegmentMap()));
// processors
for (int i = 0; i < model.getProcessorArray().length; i++) {
ProcessorType processorType = model.getProcessorArray()[i];
if (processorType.getName() == null || processorType.getClass1() == null) {
throw new Exception("COOS processors must have a name and a implementing class. Must be defined!");
}
String name = processorType.getName();
processorTypes.put(name, processorType);
Processor processor = instantiateProcessor(processorType, container);
if (processor.isShared()) {
sharedProcessors.put(name, processor);
}
coos.addProcessor(name, processor);
}
// transports
for (int i = 0; i < model.getTransportArray().length; i++) {
TransportType transportType = model.getTransportArray()[i];
if (transportType.getName() == null || transportType.getClass1() == null) {
throw new Exception("COOS transports must have a name and an implementing class. Must be defined!");
}
String name = transportType.getName();
String className = transportType.getClass1();
Map props = new HashMap();
for (int j = 0; j < transportType.getPropertyArray().length; j++) {
PropertyType propertyType = transportType.getPropertyArray()[j];
if (propertyType.getName() == null || propertyType.getValue() == null) {
throw new Exception("COOS properties must have a name and a value. Must be defined!");
}
props.put(propertyType.getName(), propertyType.getValue());
}
Class transportClass = COOSFactory.tryClass(container,className);
Transport transport = (Transport) transportClass.newInstance();
transport.setProperties(new Hashtable(props));
transport.setName(name);
coos.addTransport(name, transport);
}
// channels
for (int i = 0; i < model.getChannelArray().length; i++) {
ChannelType channelType = model.getChannelArray()[i];
if (channelType.getName() == null) {
throw new Exception("COOS channels must have a name. Must be defined!");
}
String name = channelType.getName();
boolean init = channelType.getInit();
boolean defaultGw = channelType.getDefaultgw();
String transport = channelType.getTransport();
RouterChannel channel = new RouterChannel();
channel.setInit(init);
channel.setDefaultGw(defaultGw);
String segment = channelType.getSegment();
if (init && (segment == null || segment.equals(""))) {
segment = ".";
}
if (segment != null) {
if (coos.getRouter().getRoutingAlgorithm(segment) == null) {
throw new Exception("COOS channel: " + channel + " is defined to connect to segment: " + segment
+ " which the Coos instance: " + coos.getName() + " does not maintain.");
}
channel.setConnectingPartyUuid(coos.getRouter().getRoutingAlgorithm(segment).getRouterUuid());
}
if(transport != null){
channel.setTransport(coos.getTransport(transport));
}
if(segment != null && coos.getSegment(segment) != null){
channel.setRoutingAlgorithmName(coos.getSegment(segment).getRoutingAlgorithmName());
}
channel.setLinkManager(router);
Link inLink = new Link();
channel.setInLink(inLink);
InBoundType inBoundType = channelType.getInBound();
if (inBoundType != null) {
for (int j = 0; j < inBoundType.getFilterArray().length; j++) {
FilterType filterType = inBoundType.getFilterArray()[j];
String processor = filterType.getProcessor();
ProcessorType procType = processorTypes.get(processor);
if (procType == null) {
throw new Exception("Processor " + processor + " is not declared.");
}
if (procType.getShared()) {
channel.getInLink().addFilterProcessor(sharedProcessors.get(processor));
} else {
channel.getInLink().addFilterProcessor(instantiateProcessor(procType, container));
}
}
}
Link outLink = new Link();
channel.setOutLink(outLink);
OutBoundType outBoundType = channelType.getOutBound();
if (outBoundType != null) {
for (int j = 0; j < outBoundType.getFilterArray().length; j++) {
FilterType filterType = outBoundType.getFilterArray()[j];
String processor = filterType.getProcessor();
ProcessorType procType = processorTypes.get(processor);
if (procType == null) {
throw new Exception("Processor " + processor + " is not declared.");
}
if (procType.getShared()) {
channel.getOutLink().addFilterProcessor(sharedProcessors.get(processor));
} else {
channel.getOutLink().addFilterProcessor(instantiateProcessor(procType, container));
}
}
for (int j = 0; j < outBoundType.getCostArray().length; j++) {
CostType costType = outBoundType.getCostArray()[j];
outLink.setCost(costType.getName(), costType.getValue());
}
}
coos.addChannel(name, channel);
}
// channelserver
// Default Channelserver always present
DefaultChannelServer defaultChannelServer = new DefaultChannelServer();
defaultChannelServer.setCOOSInstance(coos);
defaultChannelServer.setLinkManager(router);
coos.addChannelServer("default", defaultChannelServer);
for (int i = 0; i < model.getChannelserverArray().length; i++) {
ChannelserverType channelserverType = model.getChannelserverArray()[i];
if (channelserverType.getName() == null || channelserverType.getClass1() == null) {
throw new Exception("COOS channel servers must have a name and a implementing class. Must be defined!");
}
String name = channelserverType.getName();
String className = channelserverType.getClass1();
Map props = new HashMap();
for (int j = 0; j < channelserverType.getPropertyArray().length; j++) {
PropertyType propertyType = channelserverType.getPropertyArray()[j];
if (propertyType.getName() == null || propertyType.getValue() == null) {
throw new Exception("COOS properties must have a name and a value. Must be defined!");
}
props.put(propertyType.getName(), propertyType.getValue());
}
Class serverClass = COOSFactory.tryClass(container,className);
ChannelServer server = (ChannelServer) serverClass.newInstance();
server.setCOOSInstance(coos);
server.setProperties(new Hashtable(props));
server.setLinkManager(router);
// channel-mapping
Hashtable channelMap = new Hashtable();
for (int j = 0; j < channelserverType.getChannelMappingArray().length; j++) {
ChannelMappingType channelMappingType = channelserverType.getChannelMappingArray()[j];
if (channelMappingType.getUuid() == null || channelMappingType.getChannel() == null) {
throw new Exception(
"COOS channel mappings must define a relation between a uuid regexp pattern and a channel.");
}
String uuid = channelMappingType.getUuid();
String channel = channelMappingType.getChannel();
if (coos.getChannel(channel) == null) {
throw new Exception("COOS channel: " + channel + " referenced from channel mappings is not defined.");
}
channelMap.put(uuid, coos.getChannel(channel));
}
server.setChannelMappings(channelMap);
coos.addChannelServer(name, server);
}
coosInstances.put(model.getName(), coos);
return coos;
}
protected static Processor instantiateProcessor(ProcessorType processorType, COContainer cl) throws Exception {
String className = processorType.getClass1();
boolean isShared = processorType.getShared();
String name = processorType.getName();
Map props = new HashMap();
for (int j = 0; j < processorType.getPropertyArray().length; j++) {
PropertyType propertyType = processorType.getPropertyArray()[j];
if (propertyType.getName() == null || propertyType.getValue() == null) {
throw new Exception("COOS properties must have a name and a value. Must be defined!");
}
props.put(propertyType.getName(), propertyType.getValue());
}
Class procClass = PluginFactory.tryClass(cl, className);
Processor processor = (Processor) procClass.newInstance();
processor.setCoContainer(cl);
processor.setName(name);
processor.setProperties(new Hashtable(props));
processor.setShared(isShared);
return processor;
}
}
