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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.InvocationTargetException;
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import java.lang.reflect.Method;
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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 org.joda.time.DateTime;
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import eu.etaxonomy.cdm.io.common.DbExportBase;
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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 12.05.2009
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*/
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public class MethodMapper
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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(MethodMapper.class);
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private Method method;
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private Class<?>[] parameterTypes;
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public static <T extends DbExportBase> MethodMapper NewInstance(String dbAttributeString, DbExportBase exportBase){
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String methodName = getMethodName(dbAttributeString);
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return NewInstance(dbAttributeString, exportBase, methodName);
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}
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public static <T extends DbExportBase> MethodMapper NewInstance(String dbAttributeString, DbExportBase exportBase, Class<?>... parameterTypes){
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String methodName = getMethodName(dbAttributeString);
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return new MethodMapper(dbAttributeString, exportBase.getClass(), methodName, parameterTypes);
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}
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public static <T extends DbExportBase> MethodMapper NewInstance(String dbAttributeString, DbExportBase exportBase, String methodName){
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Class<?> parameterTypes = exportBase.getStandardMethodParameter();
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MethodMapper result = new MethodMapper(dbAttributeString, exportBase.getClass(), methodName, parameterTypes);
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return result;
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}
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public static <T extends DbExportBase> MethodMapper NewInstance(String dbAttributeString, Class<?> clazz, Class<?>... parameterTypes){
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String methodName = getMethodName(dbAttributeString);
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MethodMapper result = new MethodMapper(dbAttributeString, clazz, methodName, parameterTypes);
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return result;
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}
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public static <T extends DbExportBase> MethodMapper NewInstance(String dbAttributeString, Class<?> clazz, String methodName, Class<?>... parameterTypes){
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MethodMapper result = new MethodMapper(dbAttributeString, clazz, methodName, parameterTypes);
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return result;
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}
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public static <T extends DbExportBase> MethodMapper NewInstance(String dbAttributeString, Class<?> clazz, String methodName, Class<?> parameterType1, Class<?> parameterType2){
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MethodMapper result = new MethodMapper(dbAttributeString, clazz, methodName, parameterType1, parameterType2);
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return result;
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}
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protected MethodMapper(String dbAttributeString, Class<?> clazz, String methodName, Class<?>... parameterTypes) {
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super(null, dbAttributeString, null);
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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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} catch (SecurityException e) {
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logger.error("SecurityException", e);
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} catch (NoSuchMethodException e) {
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logger.error("NoSuchMethodException", e);
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}
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}
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private static String getMethodName(String dbAttributeString) {
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String methodName = "get" + dbAttributeString;
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return methodName;
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}
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@Override
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public Class<?> getTypeClass() {
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return method.getReturnType();
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}
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@Override
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protected Object getValue(CdmBase cdmBase) {
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try{
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if (this.parameterTypes.length > 1 && DbExportStateBase.class.isAssignableFrom(parameterTypes[1])){
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return method.invoke(null, cdmBase, getState());
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}else{
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return method.invoke(null, cdmBase);
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}
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} catch (IllegalAccessException e) {
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logger.error("IllegalAccessException: " + e.getMessage() + " when invoking MethodMapper " + this.toString());
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throw new RuntimeException(e);
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} catch (InvocationTargetException e) {
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logger.error("InvocationTargetException: " + e.getMessage() + " when invoking MethodMapper " + this.toString());
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throw new RuntimeException(e);
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} catch (Exception e) {
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logger.error("Any Exception: " + e.getMessage() + " when invoking MethodMapper " + this.toString());
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throw new RuntimeException(e);
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}
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}
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@Override
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protected int getSqlType() {
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Class<?> returnType = method.getReturnType();
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if (returnType == Integer.class){
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return Types.INTEGER;
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}else if (returnType == String.class){
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return Types.VARCHAR;
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}else if (returnType == Boolean.class){
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return Types.BOOLEAN;
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}else if (returnType == DateTime.class){
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return Types.DATE;
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}else{
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logger.warn("Return type not supported yet: " + returnType.getSimpleName());
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throw new IllegalArgumentException("Return type not supported yet: " + returnType.getSimpleName());
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}
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}
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}
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