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/**
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* Copyright (C) 2015 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.vaadin.util;
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import java.sql.DatabaseMetaData;
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import java.sql.SQLException;
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import java.util.Locale;
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import org.apache.log4j.Logger;
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/**
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*
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* The methods correctCase and isEscaped have been inspired from the
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* org.dbunit.util.SQLHelper class
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*
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* @author cmathew
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* @since 7 Apr 2015
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*
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*/
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public class SQLUtils {
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@SuppressWarnings("unused")
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private static final Logger logger = Logger.getLogger(SQLUtils.class);
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public static String correctCase(final String databaseIdentifier, DatabaseMetaData databaseMetaData) throws SQLException
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{
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String resultIdentifier = databaseIdentifier;
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String dbIdentifierQuoteString = databaseMetaData.getIdentifierQuoteString();
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if(!isEscaped(databaseIdentifier, dbIdentifierQuoteString)){
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if(databaseMetaData.storesLowerCaseIdentifiers()) {
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resultIdentifier = databaseIdentifier.toLowerCase(Locale.ENGLISH);
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}
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else if(databaseMetaData.storesUpperCaseIdentifiers()) {
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resultIdentifier = databaseIdentifier.toUpperCase(Locale.ENGLISH);
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}
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}
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return resultIdentifier;
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}
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private static final boolean isEscaped(String tableName, String dbIdentifierQuoteString) {
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return tableName!=null && dbIdentifierQuoteString!= null && (tableName.startsWith(dbIdentifierQuoteString));
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}
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}
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