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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.lang.reflect.Method;
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import java.sql.Types;
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import org.apache.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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import eu.etaxonomy.cdm.model.location.NamedArea;
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/**
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* Maps an area to a database key or cache field.
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* @author a.mueller
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* @created 06.02.2012
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*/
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public class DbAreaMapper extends DbSingleAttributeExportMapperBase<DbExportStateBase<?, IExportTransformer>> implements IDbExportMapper<DbExportStateBase<?, IExportTransformer>, IExportTransformer>{
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private static final Logger logger = Logger.getLogger(DbAreaMapper.class);
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private Method method;
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private boolean isCache;
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private Class<? extends CdmBase> cdmClass;
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public static DbAreaMapper NewInstance(Class<? extends CdmBase> cdmClass, String cdmAttribute, String dbAttributeString, boolean isCache){
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String methodName = "get" + cdmAttribute;
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return new DbAreaMapper(cdmClass, methodName, (Class<?>[])null, cdmAttribute, dbAttributeString, isCache, null);
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}
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/**
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* @param clazz
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* @param parameterTypes
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* @param dbAttributeString
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* @param cdmAttributeString
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*/
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protected DbAreaMapper(Class<? extends CdmBase> clazz, String methodName, Class<?>[] parameterTypes, String cdmAttribute, String dbAttributeString, boolean isCache, Object defaultValue) {
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super(cdmAttribute, dbAttributeString, defaultValue);
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cdmClass = clazz;
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this.isCache = isCache;
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try {
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// this.parameterTypes = parameterTypes;
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method = clazz.getDeclaredMethod(methodName, parameterTypes);
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method.setAccessible(true);
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cdmClass = clazz;
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} catch (NoSuchMethodException e) {
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try {
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method = clazz.getMethod(methodName, parameterTypes);
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} catch (NoSuchMethodException e1) {
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logger.error("NoSuchMethodException", e);
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return;
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}
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} catch (SecurityException e) {
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logger.error("SecurityException", e);
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return;
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}
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method.setAccessible(true);
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cdmClass = clazz;
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}
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@Override
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protected Object getValue(CdmBase cdmBase) {
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if (cdmBase.isInstanceOf(cdmClass)){
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try {
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NamedArea area = (NamedArea)method.invoke(cdmBase, (Object[])null);
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IExportTransformer transformer = getState().getTransformer();
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if (isCache){
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return transformer.getCacheByNamedArea(area);
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}else{
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return transformer.getKeyByNamedArea(area);
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}
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} catch (Exception e) {
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logger.error("Exception when invoking method: " + e.getMessage());
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return null;
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}
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}else{
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throw new ClassCastException("CdmBase for "+this.getClass().getName() +" must be of type "+cdmClass.getName()+", but was " + cdmBase.getClass());
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}
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}
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@Override
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protected int getSqlType() {
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if (isCache){
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return Types.VARCHAR;
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}else{
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return Types.INTEGER;
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}
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}
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@Override
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public Class<?> getTypeClass() {
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if (isCache){
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return String.class;
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}else{
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return Integer.class;
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}
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}
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}
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