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/**
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* Copyright (C) 2007 EDIT
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* European Distributed Institute of Taxonomy
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* http://www.e-taxonomy.eu
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*
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* The contents of this file are subject to the Mozilla Public License Version 1.1
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* See LICENSE.TXT at the top of this package for the full license terms.
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*/
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package eu.etaxonomy.cdm.io.common.mapping.out;
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import java.sql.Types;
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import org.apache.logging.log4j.LogManager;import org.apache.logging.log4j.Logger;
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import eu.etaxonomy.cdm.io.common.DbExportStateBase;
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import eu.etaxonomy.cdm.model.common.CdmBase;
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/**
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* @author a.mueller
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* @since 28.09.2019
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*/
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public class DbFixedStringMapper
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extends DbSingleAttributeExportMapperBase<DbExportStateBase<?, IExportTransformer>>
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implements IDbExportMapper<DbExportStateBase<?,IExportTransformer>, IExportTransformer> {
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private static final Logger logger = LogManager.getLogger(DbFixedStringMapper.class);
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private static final int MAX_PRECISION = -1; //precision for datatype nvarchar(max) == clob (SQL Server 2008)
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private String fixString;
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public static DbFixedStringMapper NewInstance(String fixString, String dbAttributeString){
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return new DbFixedStringMapper(fixString, dbAttributeString);
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}
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private DbFixedStringMapper(String fixString, String dbAttributeString) {
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super(null, dbAttributeString, fixString, true, false);
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this.fixString = fixString;
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}
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@Override
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protected Object getValue(CdmBase cdmBase) {
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String result = fixString;
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//truncate if needed
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if (result != null && result.length() > getPrecision() && getPrecision() != MAX_PRECISION && getPrecision() > 0){
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logger.warn("Truncation (" + result.length() + "->" + getPrecision() + ") needed for Attribute " + getDestinationAttribute() + " in " + cdmBase + "." );
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result = result.substring(0, getPrecision());
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}
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return result;
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}
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@Override
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protected int getSqlType() {
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return Types.VARCHAR;
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}
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@Override
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public Class<?> getTypeClass() {
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return String.class;
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}
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}
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