/*
* 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.core.metamodel.facets.value.chars;
import java.text.DecimalFormat;
import org.apache.isis.core.metamodel.adapter.ObjectAdapter;
import org.apache.isis.core.metamodel.facetapi.Facet;
import org.apache.isis.core.metamodel.facetapi.FacetHolder;
import org.apache.isis.core.metamodel.facets.object.parseable.InvalidEntryException;
import org.apache.isis.core.metamodel.facets.object.value.vsp.ValueSemanticsProviderAndFacetAbstract;
import org.apache.isis.core.metamodel.services.ServicesInjector;
public abstract class CharValueSemanticsProviderAbstract extends ValueSemanticsProviderAndFacetAbstract<Character> implements CharValueFacet {
private static Class<? extends Facet> type() {
return CharValueFacet.class;
}
private static final Character DEFAULT_VALUE = Character.valueOf((char) 0);
private static final int MAX_LENGTH = 1;
private static final int TYPICAL_LENGTH = MAX_LENGTH;
public CharValueSemanticsProviderAbstract(final FacetHolder holder, final Class<Character> adaptedClass, final ServicesInjector context) {
super(type(), holder, adaptedClass, TYPICAL_LENGTH, MAX_LENGTH, Immutability.IMMUTABLE, EqualByContent.HONOURED, DEFAULT_VALUE, context);
}
// //////////////////////////////////////////////////////////////////
// Parser
// //////////////////////////////////////////////////////////////////
@Override
public Character doParse(final Object context, final String entry) {
if (entry.length() > 1) {
throw new InvalidEntryException("Only a single character is required");
} else {
return Character.valueOf(entry.charAt(0));
}
}
@Override
public String titleString(final Object value) {
return value == null ? "" : value.toString();
}
@Override
public String titleStringWithMask(final Object value, final String usingMask) {
return titleString(new DecimalFormat(usingMask), value);
}
// //////////////////////////////////////////////////////////////////
// EncoderDecoder
// //////////////////////////////////////////////////////////////////
@Override
protected String doEncode(final Object object) {
return object.toString();
}
@Override
protected Character doRestore(final String data) {
return Character.valueOf(data.charAt(0));
}
// //////////////////////////////////////////////////////////////////
// CharValueFacet
// //////////////////////////////////////////////////////////////////
@Override
public Character charValue(final ObjectAdapter object) {
return object == null ? null : (Character) object.getObject();
}
@Override
public ObjectAdapter createValue(final Character value) {
return getAdapterManager().adapterFor(value);
}
// /////// toString ///////
@Override
public String toString() {
return "CharacterValueSemanticsProvider";
}
}