/*
* 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.bytes;
import java.text.DecimalFormat;
import java.text.NumberFormat;
import java.text.ParseException;
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.TextEntryParseException;
import org.apache.isis.core.metamodel.facets.object.value.vsp.ValueSemanticsProviderAndFacetAbstract;
import org.apache.isis.core.metamodel.services.ServicesInjector;
public abstract class ByteValueSemanticsProviderAbstract extends ValueSemanticsProviderAndFacetAbstract<Byte> implements ByteValueFacet {
private static Class<? extends Facet> type() {
return ByteValueFacet.class;
}
private static final Byte DEFAULT_VALUE = Byte.valueOf((byte) 0);
private static final int MAX_LENGTH = 4; // allowing for -ve sign
private static final int TYPICAL_LENGTH = MAX_LENGTH;
private final NumberFormat format;
public ByteValueSemanticsProviderAbstract(final FacetHolder holder, final Class<Byte> adaptedClass, final ServicesInjector context) {
super(type(), holder, adaptedClass, TYPICAL_LENGTH, MAX_LENGTH, Immutability.IMMUTABLE, EqualByContent.HONOURED, DEFAULT_VALUE, context);
format = determineNumberFormat("value.format.byte");
}
// //////////////////////////////////////////////////////////////////
// Parser
// //////////////////////////////////////////////////////////////////
@Override
protected Byte doParse(final Object context, final String entry) {
try {
return Byte.valueOf(format.parse(entry).byteValue());
} catch (final ParseException e) {
throw new TextEntryParseException("Not a number " + entry, e);
}
}
@Override
public String titleString(final Object value) {
return titleString(format, value);
}
// //////////////////////////////////////////////////////////////////
// EncoderDecoder
// //////////////////////////////////////////////////////////////////
@Override
public String doEncode(final Object object) {
return object.toString();
}
@Override
protected Byte doRestore(final String data) {
return new Byte(data);
}
@Override
public String titleStringWithMask(final Object value, final String usingMask) {
return titleString(new DecimalFormat(usingMask), value);
}
// //////////////////////////////////////////////////////////////////
// ByteValueFacet
// //////////////////////////////////////////////////////////////////
@Override
public Byte byteValue(final ObjectAdapter object) {
return (Byte) object.getObject();
}
@Override
public ObjectAdapter createValue(final Byte value) {
return getAdapterManager().adapterFor(value);
}
// ///// toString ///////
@Override
public String toString() {
return "ByteValueSemanticsProvider: " + format;
}
}