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To import or export with CSV format
package org.nuiton.topia.service.csv;
/*
* #%L
* ToPIA :: Service Csv
* $Id$
* $HeadURL$
* %%
* Copyright (C) 2004 - 2014 CodeLutin
* %%
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Lesser Public License for more details.
*
* You should have received a copy of the GNU General Lesser Public
* License along with this program. If not, see
* .
* #L%
*/
import com.google.common.base.Function;
import com.google.common.collect.Maps;
import org.nuiton.topia.persistence.TopiaEntities;
import org.nuiton.topia.persistence.TopiaEntity;
import org.nuiton.topia.persistence.TopiaEntityEnum;
import org.nuiton.topia.persistence.metadata.TableMeta;
import org.nuiton.csv.ValueParserFormatter;
import org.nuiton.csv.ext.AbstractImportExportModel;
import org.nuiton.decorator.Decorator;
import java.util.Collection;
import java.util.Collections;
import java.util.Date;
import java.util.Map;
/**
* A model to import / export entities into csv files.
*
* @author Tony Chemit - [email protected]
* @since 0.2
*/
public class EntityCsvModel extends AbstractImportExportModel {
protected final TableMeta tableMeta;
protected boolean useOrdinalForEnum;
public static EntityCsvModel newModel(
char separator,
TableMeta tableMeta) {
return new EntityCsvModel(separator, tableMeta);
}
public static EntityCsvModel newModel(
char separator,
TableMeta tableMeta,
String idHeader) {
return new EntityCsvModel(separator, tableMeta, idHeader);
}
@Override
public E newEmptyInstance() {
return (E) tableMeta.newEntity();
}
public void setUseOrdinalForEnum(boolean useOrdinalForEnum) {
this.useOrdinalForEnum = useOrdinalForEnum;
}
public void addForeignKeyForExport(String propertyName,
Class entityType) {
Map universe = Collections.emptyMap();
newColumnForExport(propertyName,
TopiaCsvCommons.newForeignKeyValue(entityType,
propertyName,
universe)
);
}
public void addDecoratedForeignKeyForExport(String headerName,
String propertyName,
Decorator decorator) {
modelBuilder.newColumnForExport(
headerName,
propertyName,
TopiaCsvCommons.newForeignKeyDecoratedValue(decorator));
}
public void addForeignKeyForImport(String headerName,
String propertyName,
Class entityType,
Collection entities,
Function transform) {
Map universe = Maps.uniqueIndex(entities, transform);
newMandatoryColumn(headerName,
propertyName,
TopiaCsvCommons.newForeignKeyValue(entityType,
propertyName,
universe)
);
}
public void addForeignKeyForAssociationForImport(String headerName,
String propertyName,
Class entityType,
Collection entities,
Function transform) {
Map universe = Maps.uniqueIndex(entities, transform);
newMandatoryColumn(
headerName,
propertyName,
TopiaCsvCommons.newForeignKeyValueAssociation(entityType,
propertyName,
universe)
);
}
public void addForeignKeyForImport(String propertyName,
Class entityType,
Collection entities) {
Map universe = Maps.uniqueIndex(entities,
TopiaEntities.getTopiaIdFunction());
newMandatoryColumn(propertyName,
TopiaCsvCommons.newForeignKeyValue(entityType,
propertyName,
universe)
);
}
public void addForeignKeyForImport(String propertyName,
Class entityType,
Map universe) {
newMandatoryColumn(propertyName,
TopiaCsvCommons.newForeignKeyValue(entityType,
propertyName,
universe)
);
}
public void addDefaultColumn(String propertyName, Class type) {
addDefaultColumn(propertyName, propertyName, type);
}
public void addDefaultColumn(String headerName,
String propertyName,
Class type) {
if (Date.class.equals(type)) {
newColumnForImportExport(
headerName,
propertyName,
TopiaCsvCommons.DAY_TIME_SECOND_WITH_TIMESTAMP);
} else if (double.class.equals(type)) {
newColumnForImportExport(
headerName,
propertyName,
TopiaCsvCommons.DOUBLE_PRIMITIVE);
} else if (Double.class.equals(type)) {
newColumnForImportExport(
headerName,
propertyName,
TopiaCsvCommons.DOUBLE);
} else if (long.class.equals(type)) {
newColumnForImportExport(
headerName,
propertyName,
TopiaCsvCommons.PRIMITIVE_LONG);
} else if (Long.class.equals(type)) {
newColumnForImportExport(
headerName,
propertyName,
TopiaCsvCommons.LONG);
} else if (float.class.equals(type)) {
newColumnForImportExport(
headerName,
propertyName,
TopiaCsvCommons.PRIMITIVE_FLOAT);
} else if (Float.class.equals(type)) {
newColumnForImportExport(
headerName,
propertyName,
TopiaCsvCommons.FLOAT);
} else if (int.class.equals(type)) {
newColumnForImportExport(
headerName,
propertyName,
TopiaCsvCommons.PRIMITIVE_INTEGER);
} else if (Integer.class.equals(type)) {
newColumnForImportExport(
headerName,
propertyName,
TopiaCsvCommons.INTEGER);
} else if (boolean.class.equals(type)) {
newColumnForImportExport(
headerName,
propertyName,
TopiaCsvCommons.PRIMITIVE_BOOLEAN);
} else if (Boolean.class.equals(type)) {
newColumnForImportExport(
headerName,
propertyName,
TopiaCsvCommons.BOOLEAN);
} else if (String.class.equals(type)) {
newColumnForImportExport(
headerName,
propertyName);
} else if (type.isEnum()) {
Class enumType = (Class) type;
ValueParserFormatter valueParserFormatter;
if (useOrdinalForEnum) {
valueParserFormatter =
TopiaCsvCommons.newEnumByOrdinalParserFormatter(enumType);
} else {
valueParserFormatter =
TopiaCsvCommons.newEnumByNameParserFormatter(enumType);
}
newColumnForImportExport(headerName,
propertyName,
valueParserFormatter);
} else {
throw new IllegalStateException(String.format(
"For header %s, property %s, no specific handler " +
"found for type %s", headerName, propertyName, type));
}
}
protected EntityCsvModel(char separator, TableMeta tableMeta) {
super(separator);
this.tableMeta = tableMeta;
}
protected EntityCsvModel(char separator, TableMeta tableMeta,
String idHeader) {
this(separator, tableMeta);
newColumnForImportExport(idHeader, TopiaEntity.PROPERTY_TOPIA_ID);
}
}