/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.apache.isis.viewer.wicket.ui.components.scalars;
import org.apache.wicket.Application;
import org.apache.wicket.IConverterLocator;
import org.apache.wicket.util.convert.IConverter;
import org.apache.wicket.util.convert.converter.BigIntegerConverter;
import org.apache.isis.core.metamodel.adapter.ObjectAdapter;
import org.apache.isis.core.metamodel.facets.objectvalue.renderedadjusted.RenderedAdjustedFacet;
import org.apache.isis.core.metamodel.facets.value.bigdecimal.BigDecimalValueFacet;
import org.apache.isis.core.metamodel.spec.ObjectSpecification;
import org.apache.isis.viewer.wicket.model.isis.WicketViewerSettings;
import org.apache.isis.viewer.wicket.ui.components.scalars.isisapplib.DateConverterForApplibDate;
import org.apache.isis.viewer.wicket.ui.components.scalars.isisapplib.DateConverterForApplibDateTime;
import org.apache.isis.viewer.wicket.ui.components.scalars.jdkdates.DateConverterForJavaSqlDate;
import org.apache.isis.viewer.wicket.ui.components.scalars.jdkdates.DateConverterForJavaSqlTimestamp;
import org.apache.isis.viewer.wicket.ui.components.scalars.jdkdates.DateConverterForJavaUtilDate;
import org.apache.isis.viewer.wicket.ui.components.scalars.jdkmath.BigDecimalConverterWithScale;
import org.apache.isis.viewer.wicket.ui.components.scalars.jodatime.DateConverterForJodaDateTime;
import org.apache.isis.viewer.wicket.ui.components.scalars.jodatime.DateConverterForJodaLocalDate;
import org.apache.isis.viewer.wicket.ui.components.scalars.jodatime.DateConverterForJodaLocalDateTime;
/**
* A locator for IConverters for ObjectAdapters
*/
public class IsisConverterLocator {
/**
* Locates the best IConverter implementation for a given {@link org.apache.isis.core.metamodel.adapter.ObjectAdapter}
*
* @param objectAdapter The object adapter to locate converter for
* @param wicketViewerSettings The date related settings
* @return The best converter for the object adapter's type
*/
public static IConverter<Object> findConverter(final ObjectAdapter objectAdapter, final WicketViewerSettings wicketViewerSettings) {
final ObjectSpecification objectSpecification = objectAdapter.getSpecification();
// only use Wicket IConverter for value types, not for domain objects.
if (!objectSpecification.isValue()) {
return null;
}
// explicitly exclude enums; this will force the titleString
// to be used from Isis' EnumValueSemanticsProvider
final Class<?> correspondingClass = objectSpecification.getCorrespondingClass();
if(Enum.class.isAssignableFrom(correspondingClass)) {
return null;
}
final RenderedAdjustedFacet renderedAdjustedFacet = objectSpecification.getFacet(RenderedAdjustedFacet.class);
final int adjustBy = renderedAdjustedFacet != null ? renderedAdjustedFacet.value() : 0;
IConverter converter = null;
if (java.util.Date.class == correspondingClass) {
converter = new DateConverterForJavaUtilDate(wicketViewerSettings, adjustBy);
} else if (java.sql.Date.class == correspondingClass) {
converter = new DateConverterForJavaSqlDate(wicketViewerSettings, adjustBy);
} else if (org.apache.isis.applib.value.Date.class == correspondingClass) {
converter = new DateConverterForApplibDate(wicketViewerSettings, adjustBy);
} else if (org.apache.isis.applib.value.DateTime.class == correspondingClass) {
converter = new DateConverterForApplibDateTime(wicketViewerSettings, adjustBy);
} else if (org.joda.time.LocalDate.class == correspondingClass) {
converter = new DateConverterForJodaLocalDate(wicketViewerSettings, adjustBy);
} else if (org.joda.time.LocalDateTime.class == correspondingClass) {
converter = new DateConverterForJodaLocalDateTime(wicketViewerSettings, adjustBy);
} else if (org.joda.time.DateTime.class == correspondingClass) {
converter = new DateConverterForJodaDateTime(wicketViewerSettings, adjustBy);
} else if (java.sql.Timestamp.class == correspondingClass) {
converter = new DateConverterForJavaSqlTimestamp(wicketViewerSettings, adjustBy);
} else if (java.math.BigInteger.class == correspondingClass) {
converter = new BigIntegerConverter();
} else if (java.math.BigDecimal.class == correspondingClass) {
final BigDecimalValueFacet facet = objectSpecification.getFacet(BigDecimalValueFacet.class);
Integer scale = null;
if (facet != null) {
scale = facet.getScale();
}
converter = new BigDecimalConverterWithScale(scale).forViewMode();
} else if (Application.exists()) {
final IConverterLocator converterLocator = Application.get().getConverterLocator();
converter = converterLocator.getConverter(correspondingClass);
}
return converter;
}
}