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/*
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* Copyright (c) 2007-2008 Nokia Corporation and/or its subsidiary(-ies).
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* All rights reserved.
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* This component and the accompanying materials are made available
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* under the terms of the License "Eclipse Public License v1.0"
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* which accompanies this distribution, and is available
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".
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*
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* Initial Contributors:
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* Nokia Corporation - initial contribution.
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*
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* Contributors:
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*
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* Description:
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*
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*/
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package com.nokia.helium.metadata.ant.types;
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import java.io.File;
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import java.io.IOException;
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import java.util.Map;
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import java.util.regex.Pattern;
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import javax.persistence.EntityManager;
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import javax.persistence.EntityManagerFactory;
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import javax.xml.parsers.ParserConfigurationException;
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import javax.xml.parsers.SAXParser;
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import javax.xml.parsers.SAXParserFactory;
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import org.xml.sax.Attributes;
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import org.xml.sax.Locator;
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import org.xml.sax.SAXException;
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import org.xml.sax.helpers.DefaultHandler;
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import com.nokia.helium.metadata.AutoCommitEntityManager;
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import com.nokia.helium.metadata.MetadataException;
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import com.nokia.helium.metadata.model.metadata.LogFile;
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import com.nokia.helium.metadata.model.metadata.MetadataEntry;
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import com.nokia.helium.metadata.model.metadata.Severity;
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import com.nokia.helium.metadata.model.metadata.SeverityDAO;
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/**
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* This Type is to specify and use the policy logparsertype to
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* parse and store the data based on xmlstreamreader.
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* <pre>
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* <hlm:metadatafilterset id="policy.metadata.filter">
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* <metadatafilterset filterfile="common.csv" />
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* </hlm:metadatafilterset>
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*
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* <hlm:policymetadatainput>
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* <fileset dir="${project.dir}/../data/">
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* <include name="*validate*policy*.log"/>
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* </fileset>
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* <metadatafilterset refid="policy.metadata.filter" />
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* </hlm:policymetadatainput>
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* </pre>
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* @ant.task name="policymetadatainput" category="Metadata"
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*/
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public class PolicyLogMetaDataInput extends LogMetaDataInput {
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/**
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* {@inheritDoc}
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*/
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@Override
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public void extract(EntityManagerFactory factory, File file)
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throws MetadataException {
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SAXParserFactory saxFactory = SAXParserFactory.newInstance();
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EntityManager em = factory.createEntityManager();
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AutoCommitEntityManager autoCommitEM = new AutoCommitEntityManager(factory);
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try {
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// get the severities
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SeverityDAO pdao = new SeverityDAO();
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pdao.setEntityManager(em);
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Map<String, Severity> severities = pdao.getSeverities();
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// Get the log file
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LogFile logFile = getLogFile(em, file);
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SAXParser parser = saxFactory.newSAXParser();
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parser.parse(file, new PolicyFileParser(
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severities.get(SeverityEnum.Severity.ERROR.toString()),
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autoCommitEM, logFile));
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} catch (SAXException e) {
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throw new MetadataException(e.getMessage(), e);
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} catch (IOException e) {
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throw new MetadataException(e.getMessage(), e);
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} catch (ParserConfigurationException e) {
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throw new MetadataException(e.getMessage(), e);
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} finally {
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em.close();
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autoCommitEM.close();
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}
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}
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/**
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* SAX handler for Policy XML file format.
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*
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*/
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class PolicyFileParser extends DefaultHandler {
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private LogFile logFile;
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private Severity severity;
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private AutoCommitEntityManager autoCommitEM;
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private Locator locator;
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/**
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* Create a new PolicyFileParser.
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* @param severity
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* @param autoCommitEM
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* @param logFile
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*/
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public PolicyFileParser(Severity severity, AutoCommitEntityManager autoCommitEM,
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LogFile logFile) {
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this.autoCommitEM = autoCommitEM;
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this.logFile = logFile;
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this.severity = severity;
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}
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/**
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* Implement the handling of error nodes.
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*/
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@Override
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public void startElement(String uri, String localName, String qName,
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Attributes attributes) throws SAXException {
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if (qName.equalsIgnoreCase("error")) {
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String errorType = attributes.getValue("", "type");
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MetadataEntry me = new MetadataEntry();
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me.setLogFile(autoCommitEM.merge(logFile));
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me.setLineNumber(locator.getLineNumber());
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me.setSeverity(severity);
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if (errorType.equals("unknownstatus")) {
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me.setText(attributes.getValue("", "message") + attributes.getValue("", "value"));
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} else if (errorType.equals("A") || errorType.equals("B")
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|| errorType.equals("C") || errorType.equals("D")) {
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int flags = Pattern.CASE_INSENSITIVE | Pattern.DOTALL ;
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Pattern pattern = Pattern.compile("([\\\\/][^\\\\/]+?)$", flags);
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me.setText(pattern.matcher(errorType + "Found incorrect value for "
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+ attributes.getValue("", "message")).replaceAll(""));
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} else if (errorType.equals("missing")) {
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me.setText(attributes.getValue("", "message"));
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} else if (errorType.equals("invalidencoding")) {
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me.setText(attributes.getValue("", "message"));
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}
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autoCommitEM.persist(me);
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}
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}
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/**
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* {@inheritDoc}
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*/
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@Override
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public void setDocumentLocator(Locator locator) {
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this.locator = locator;
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super.setDocumentLocator(locator);
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}
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}
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} |