Samuele Locatelli
94 lines
3.7 KiB
C#
94 lines
3.7 KiB
C#
/* ========================================================================
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* Copyright (c) 2005-2020 The OPC Foundation, Inc. All rights reserved.
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*
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* OPC Foundation MIT License 1.00
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*
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* Permission is hereby granted, free of charge, to any person
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* obtaining a copy of this software and associated documentation
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* files (the "Software"), to deal in the Software without
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* restriction, including without limitation the rights to use,
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* copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following
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* conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
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* OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
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* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*
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* The complete license agreement can be found here:
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* http://opcfoundation.org/License/MIT/1.00/
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* ======================================================================*/
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using System;
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using System.IO;
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using System.Runtime.Serialization;
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using System.Text;
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using System.Xml;
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namespace Opc.Ua.PubSub.Configuration
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{
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/// <summary>
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/// Helper class for load/save configuration
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/// </summary>
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public static class UaPubSubConfigurationHelper
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{
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/// <summary>
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/// Save a <see cref="PubSubConfigurationDataType"/> instance as XML
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/// </summary>
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/// <param name="pubSubConfiguration"></param>
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/// <param name="filePath"></param>
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public static void SaveConfiguration(PubSubConfigurationDataType pubSubConfiguration, string filePath)
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{
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Stream ostrm = File.Open(filePath, FileMode.Create, FileAccess.ReadWrite);
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XmlWriterSettings settings = new XmlWriterSettings();
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settings.Encoding = Encoding.UTF8;
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settings.Indent = true;
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settings.CloseOutput = true;
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using (XmlWriter writer = XmlDictionaryWriter.Create(ostrm, settings))
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{
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DataContractSerializer serializer = new DataContractSerializer(typeof(PubSubConfigurationDataType));
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serializer.WriteObject(writer, pubSubConfiguration);
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}
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}
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/// <summary>
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/// Load a <see cref="PubSubConfigurationDataType"/> instance from and XML File
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/// </summary>
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/// <param name="filePath"></param>
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public static PubSubConfigurationDataType LoadConfiguration(string filePath)
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{
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try
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{
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using (FileStream stream = new FileStream(filePath, FileMode.Open, FileAccess.Read))
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{
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DataContractSerializer serializer = new DataContractSerializer(typeof(PubSubConfigurationDataType));
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return (PubSubConfigurationDataType)serializer.ReadObject(stream);
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}
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}
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catch (Exception e)
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{
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StringBuilder buffer = new StringBuilder();
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buffer.AppendFormat("Configuration file could not be loaded: {0}\r\n", filePath);
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buffer.AppendFormat("Error: {0}", e.Message);
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throw ServiceResultException.Create(
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StatusCodes.BadConfigurationError,
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e,
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buffer.ToString());
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}
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}
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}
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}
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