org.modeshape.jcr.value.basic.DoubleValueFactory Maven / Gradle / Ivy
/*
* ModeShape (http://www.modeshape.org)
*
* Licensed 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.modeshape.jcr.value.basic;
import java.io.InputStream;
import java.math.BigDecimal;
import java.net.URI;
import java.util.Calendar;
import java.util.Date;
import java.util.UUID;
import org.modeshape.common.annotation.Immutable;
import org.modeshape.common.text.TextDecoder;
import org.modeshape.jcr.GraphI18n;
import org.modeshape.jcr.api.value.DateTime;
import org.modeshape.jcr.cache.NodeKey;
import org.modeshape.jcr.value.BinaryValue;
import org.modeshape.jcr.value.IoException;
import org.modeshape.jcr.value.Name;
import org.modeshape.jcr.value.Path;
import org.modeshape.jcr.value.PropertyType;
import org.modeshape.jcr.value.Reference;
import org.modeshape.jcr.value.ValueFactories;
import org.modeshape.jcr.value.ValueFactory;
import org.modeshape.jcr.value.ValueFormatException;
/**
* The standard {@link ValueFactory} for {@link PropertyType#DOUBLE} values.
*/
@Immutable
public class DoubleValueFactory extends AbstractValueFactory {
/**
* Create a new instance.
*
* @param decoder the text decoder; may be null if the default decoder should be used
* @param factories the set of value factories, used to obtain the {@link ValueFactories#getStringFactory() string value
* factory}; may not be null
*/
public DoubleValueFactory( TextDecoder decoder,
ValueFactories factories ) {
super(PropertyType.DOUBLE, decoder, factories);
}
@Override
public ValueFactory with( ValueFactories valueFactories ) {
return super.valueFactories == valueFactories ? this : new DoubleValueFactory(super.getDecoder(), valueFactories);
}
@Override
public Double create( String value ) {
if (value == null) return null;
try {
return Double.valueOf(value.trim());
} catch (NumberFormatException err) {
throw new ValueFormatException(value, getPropertyType(),
GraphI18n.errorConvertingType.text(String.class.getSimpleName(),
Double.class.getSimpleName(),
value), err);
}
}
@Override
public Double create( String value,
TextDecoder decoder ) {
// this probably doesn't really need to call the decoder, but by doing so then we don't care at all what the decoder does
return create(getDecoder(decoder).decode(value));
}
@Override
public Double create( int value ) {
return Double.valueOf(value);
}
@Override
public Double create( long value ) {
return new Double(value);
}
@Override
public Double create( boolean value ) {
throw new ValueFormatException(value, getPropertyType(), GraphI18n.unableToCreateValue.text(getPropertyType().getName(),
Double.class.getSimpleName(),
value));
}
@Override
public Double create( float value ) {
return Double.valueOf(value);
}
@Override
public Double create( double value ) {
return value;
}
@Override
public Double create( BigDecimal value ) {
if (value == null) return null;
double result = value.doubleValue();
if (result == Double.NEGATIVE_INFINITY || result == Double.POSITIVE_INFINITY) {
throw new ValueFormatException(value, getPropertyType(),
GraphI18n.errorConvertingType.text(BigDecimal.class.getSimpleName(),
Double.class.getSimpleName(),
value));
}
return result;
}
@Override
public Double create( Calendar value ) {
if (value == null) return null;
return create(value.getTimeInMillis());
}
@Override
public Double create( Date value ) {
if (value == null) return null;
return create(value.getTime());
}
@Override
public Double create( DateTime value ) throws ValueFormatException {
if (value == null) return null;
return create(value.getMilliseconds());
}
@Override
public Double create( Name value ) {
throw new ValueFormatException(value, getPropertyType(), GraphI18n.unableToCreateValue.text(getPropertyType().getName(),
Name.class.getSimpleName(),
value));
}
@Override
public Double create( Path value ) {
throw new ValueFormatException(value, getPropertyType(), GraphI18n.unableToCreateValue.text(getPropertyType().getName(),
Path.class.getSimpleName(),
value));
}
@Override
public Double create( Path.Segment value ) {
throw new ValueFormatException(value, getPropertyType(),
GraphI18n.unableToCreateValue.text(getPropertyType().getName(),
Path.Segment.class.getSimpleName(),
value));
}
@Override
public Double create( Reference value ) {
throw new ValueFormatException(value, getPropertyType(),
GraphI18n.unableToCreateValue.text(getPropertyType().getName(),
Reference.class.getSimpleName(),
value));
}
@Override
public Double create( URI value ) {
throw new ValueFormatException(value, getPropertyType(), GraphI18n.unableToCreateValue.text(getPropertyType().getName(),
URI.class.getSimpleName(),
value));
}
@Override
public Double create( UUID value ) {
throw new ValueFormatException(value, getPropertyType(), GraphI18n.unableToCreateValue.text(getPropertyType().getName(),
UUID.class.getSimpleName(),
value));
}
@Override
public Double create( NodeKey value ) throws ValueFormatException {
throw new ValueFormatException(value, getPropertyType(),
GraphI18n.unableToCreateValue.text(getPropertyType().getName(),
NodeKey.class.getSimpleName(),
value));
}
@Override
public Double create( byte[] value ) {
// First attempt to create a string from the value, then a long from the string ...
return create(getStringValueFactory().create(value));
}
@Override
public Double create( BinaryValue value ) throws ValueFormatException, IoException {
// First create a string and then create the boolean from the string value ...
return create(getStringValueFactory().create(value));
}
@Override
public Double create( InputStream stream ) throws IoException {
// First attempt to create a string from the value, then a double from the string ...
return create(getStringValueFactory().create(stream));
}
@Override
public Double[] createEmptyArray( int length ) {
return new Double[length];
}
}
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