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/**
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*
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*/
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package eu.dnetlib.data.collective.transformation.engine.functions;
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import java.io.StringReader;
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import javax.xml.xpath.XPath;
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import javax.xml.xpath.XPathConstants;
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import javax.xml.xpath.XPathExpressionException;
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import javax.xml.xpath.XPathFactory;
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import org.w3c.dom.Node;
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import org.xml.sax.InputSource;
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import eu.dnetlib.data.collective.transformation.IDatabaseConnector;
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import eu.dnetlib.data.collective.transformation.TransformationException;
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/**
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* @author jochen
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*
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*/
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public class Dblookup extends AbstractTransformationFunction {
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public static final String paramSqlExpr = "sqlExpr";
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private IDatabaseConnector dbConnector;
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/**
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*
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*/
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public Dblookup() {
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// TODO Auto-generated constructor stub
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}
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/* (non-Javadoc)
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* @see eu.dnetlib.data.collective.transformation.engine.functions.AbstractTransformationFunction#execute()
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*/
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@Override
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String execute() throws ProcessingException {
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// TODO Auto-generated method stub
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return null;
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}
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/**
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* @return the dbConnector
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*/
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public IDatabaseConnector getDbConnector() {
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return dbConnector;
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}
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/**
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* @param dbConnector the dbConnector to set
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*/
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public void setDbConnector(IDatabaseConnector dbConnector) {
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this.dbConnector = dbConnector;
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}
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public LookupRecord getResults(String aSqlExpression) throws TransformationException, XPathExpressionException {
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LookupRecord lookupRecord = new LookupRecord();
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XPath xpath = XPathFactory.newInstance().newXPath();
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for (String record: dbConnector.getResult(aSqlExpression)){
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InputSource inSource = new InputSource(new StringReader(record));
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Node root = (Node)xpath.evaluate("/", inSource, XPathConstants.NODE);
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lookupRecord.setRecord(xpath.evaluate("//FIELD[@name='accessinfopackage']/text()", root),
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"officialname", xpath.evaluate("//FIELD[@name='officialname']/text()", root));
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lookupRecord.setRecord(xpath.evaluate("//FIELD[@name='accessinfopackage']/text()", root),
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"id", xpath.evaluate("//FIELD[@name='id']/text()", root));
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}
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return lookupRecord;
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}
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}
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