| /* |
| Licensed to the Apache Software Foundation (ASF) under one |
| or more contributor license agreements. See the NOTICE file |
| distributed with this work for additional information |
| regarding copyright ownership. The ASF licenses this file |
| to you 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 org.apache.plc4x.java.opcua.connection; |
| |
| import org.apache.commons.lang3.StringUtils; |
| import org.apache.plc4x.java.api.messages.PlcReadRequest; |
| import org.apache.plc4x.java.api.messages.PlcSubscriptionRequest; |
| import org.apache.plc4x.java.api.messages.PlcUnsubscriptionRequest; |
| import org.apache.plc4x.java.api.messages.PlcWriteRequest; |
| import org.apache.plc4x.java.opcua.protocol.OpcuaPlcFieldHandler; |
| import org.apache.plc4x.java.spi.connection.AbstractPlcConnection; |
| import org.apache.plc4x.java.spi.messages.*; |
| import org.apache.plc4x.java.spi.values.IEC61131ValueHandler; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| /** |
| */ |
| public abstract class BaseOpcuaPlcConnection extends AbstractPlcConnection implements PlcReader, PlcWriter, PlcSubscriber { |
| |
| private static final Logger logger = LoggerFactory.getLogger(BaseOpcuaPlcConnection.class); |
| protected boolean skipDiscovery = false; |
| |
| /** |
| * @param params |
| */ |
| BaseOpcuaPlcConnection(String params) { |
| |
| if (!StringUtils.isEmpty(params)) { |
| for (String param : params.split("&")) { |
| String[] paramElements = param.split("="); |
| String paramName = paramElements[0]; |
| if (paramElements.length == 2) { |
| String paramValue = paramElements[1]; |
| switch (paramName) { |
| case "discovery": |
| skipDiscovery = !Boolean.valueOf(paramValue); |
| break; |
| default: |
| logger.debug("Unknown parameter {} with value {}", paramName, paramValue); |
| } |
| } else { |
| logger.debug("Unknown no-value parameter {}", paramName); |
| } |
| } |
| } |
| } |
| |
| @Override |
| public boolean canRead() { |
| return true; |
| } |
| |
| @Override |
| public boolean canWrite() { |
| return true; |
| } |
| |
| @Override |
| public PlcReadRequest.Builder readRequestBuilder() { |
| return new DefaultPlcReadRequest.Builder(this, new OpcuaPlcFieldHandler()); |
| } |
| |
| @Override |
| public PlcWriteRequest.Builder writeRequestBuilder() { |
| return new DefaultPlcWriteRequest.Builder(this, new OpcuaPlcFieldHandler(), new IEC61131ValueHandler()); |
| } |
| |
| @Override |
| public boolean canSubscribe() { |
| return true; |
| } |
| |
| @Override |
| public PlcSubscriptionRequest.Builder subscriptionRequestBuilder() { |
| return new DefaultPlcSubscriptionRequest.Builder(this, new OpcuaPlcFieldHandler()); |
| } |
| |
| @Override |
| public PlcUnsubscriptionRequest.Builder unsubscriptionRequestBuilder() { |
| return new DefaultPlcUnsubscriptionRequest.Builder(this); |
| } |
| |
| public boolean isSkipDiscovery() { |
| return skipDiscovery; |
| } |
| } |