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/* |
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* |
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* Copyright 2014, Armenak Grigoryan, Matthew Eaton, and individual contributors as indicated |
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* by the @authors tag. See the copyright.txt in the distribution for a |
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* full listing of individual contributors. |
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* |
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* This is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU Lesser General Public License as |
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* published by the Free Software Foundation; either version 2.1 of |
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* the License, or (at your option) any later version. |
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* |
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* This software is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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* Lesser General Public License for more details. |
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* |
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*/ |
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package com.strider.datadefender.requirement.file; |
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import java.io.File; |
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import java.io.FileInputStream; |
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import java.io.FileNotFoundException; |
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import javax.xml.bind.JAXBContext; |
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import javax.xml.bind.JAXBException; |
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import javax.xml.bind.Unmarshaller; |
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import static javax.xml.bind.JAXBContext.newInstance; |
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import com.strider.datadefender.requirement.Requirement; |
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import com.strider.datadefender.requirement.registry.ClassAndFunctionRegistry; |
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import java.lang.reflect.InvocationTargetException; |
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import javax.xml.XMLConstants; |
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import javax.xml.validation.Schema; |
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import javax.xml.validation.SchemaFactory; |
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import lombok.RequiredArgsConstructor; |
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import lombok.extern.log4j.Log4j2; |
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import org.xml.sax.SAXException; |
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/** |
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* Utility class to help handling requirement objects |
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* @author Matthew Eaton |
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*/ |
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@Log4j2 |
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@RequiredArgsConstructor |
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public class Loader { |
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private final JAXBContext jaxbContext; |
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private final Unmarshaller unmarshaller; |
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public Loader() throws JAXBException { |
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jaxbContext = newInstance(Requirement.class); |
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unmarshaller = jaxbContext.createUnmarshaller(); |
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} |
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/** |
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* Load requirement XML file and return a Requirement object representing |
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* it. |
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* |
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* @param requirementFile Requirement filename and path |
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* @param version required version |
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* @return Requirement object loaded based on file |
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* @throws javax.xml.bind.JAXBException |
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* @throws java.io.FileNotFoundException |
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* @throws java.lang.NoSuchMethodException |
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* @throws java.lang.InstantiationException |
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* @throws java.lang.IllegalAccessException |
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* @throws java.lang.reflect.InvocationTargetException |
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* @throws org.xml.sax.SAXException |
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*/ |
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public Requirement load(final String requirementFile) throws |
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FileNotFoundException, |
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JAXBException, |
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NoSuchMethodException, |
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InstantiationException, |
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IllegalAccessException, |
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IllegalArgumentException, |
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InvocationTargetException, |
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SAXException { |
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Requirement requirement = null; |
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log.info("Loading requirement file: {}", requirementFile); |
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SchemaFactory schemaFactory = SchemaFactory.newInstance(XMLConstants.W3C_XML_SCHEMA_NS_URI); |
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Schema schema = schemaFactory.newSchema(Loader.class.getResource("requirement.xsd")); |
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unmarshaller.setSchema(schema); |
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requirement = (Requirement) unmarshaller.unmarshal( |
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new FileInputStream(new File(requirementFile)) |
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); |
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ClassAndFunctionRegistry.singleton().registerFunctions(requirement); |
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return requirement; |
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} |
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} |
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armenak /
DataDefender
