org.modeshape.jcr.value.basic.ReferenceValueFactory Maven / Gradle / Ivy
/*
* ModeShape (http://www.modeshape.org)
* See the COPYRIGHT.txt file distributed with this work for information
* regarding copyright ownership. Some portions may be licensed
* to Red Hat, Inc. under one or more contributor license agreements.
* See the AUTHORS.txt file in the distribution for a full listing of
* individual contributors.
*
* ModeShape is free software. Unless otherwise indicated, all code in ModeShape
* is licensed to you under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* ModeShape 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
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.ReferenceFactory;
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#REFERENCE} values.
*/
@Immutable
public class ReferenceValueFactory extends AbstractValueFactory implements ReferenceFactory {
protected final boolean weak;
/**
* 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
* @param weak true if this factory should create weak references, or false if it should create strong references
*/
public ReferenceValueFactory( TextDecoder decoder,
ValueFactories factories,
boolean weak ) {
super(weak ? PropertyType.WEAKREFERENCE : PropertyType.REFERENCE, decoder, factories);
this.weak = weak;
}
@Override
public ReferenceFactory with( ValueFactories valueFactories ) {
return super.valueFactories == valueFactories ? this : new ReferenceValueFactory(super.getDecoder(), valueFactories, weak);
}
@Override
public Reference create( String value ) {
if (value == null) return null;
if (NodeKey.isValidFormat(value)) {
return new NodeKeyReference(new NodeKey(value), weak, false);
}
try {
UUID uuid = UUID.fromString(value);
return new UuidReference(uuid, weak);
} catch (IllegalArgumentException err) {
return new StringReference(value, weak);
}
}
@Override
public Reference 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 Reference create( int value ) {
throw new ValueFormatException(value, getPropertyType(),
GraphI18n.unableToCreateValue.text(getPropertyType().getName(),
Integer.class.getSimpleName(),
value));
}
@Override
public Reference create( long value ) {
throw new ValueFormatException(value, getPropertyType(), GraphI18n.unableToCreateValue.text(getPropertyType().getName(),
Long.class.getSimpleName(),
value));
}
@Override
public Reference create( boolean value ) {
throw new ValueFormatException(value, getPropertyType(),
GraphI18n.unableToCreateValue.text(getPropertyType().getName(),
Boolean.class.getSimpleName(),
value));
}
@Override
public Reference create( float value ) {
throw new ValueFormatException(value, getPropertyType(), GraphI18n.unableToCreateValue.text(getPropertyType().getName(),
Float.class.getSimpleName(),
value));
}
@Override
public Reference create( double value ) {
throw new ValueFormatException(value, getPropertyType(), GraphI18n.unableToCreateValue.text(getPropertyType().getName(),
Double.class.getSimpleName(),
value));
}
@Override
public Reference create( BigDecimal value ) {
throw new ValueFormatException(value, getPropertyType(),
GraphI18n.unableToCreateValue.text(getPropertyType().getName(),
BigDecimal.class.getSimpleName(),
value));
}
@Override
public Reference create( Calendar value ) {
throw new ValueFormatException(value, getPropertyType(),
GraphI18n.unableToCreateValue.text(getPropertyType().getName(),
Calendar.class.getSimpleName(),
value));
}
@Override
public Reference create( Date value ) {
throw new ValueFormatException(value, getPropertyType(), GraphI18n.unableToCreateValue.text(getPropertyType().getName(),
Date.class.getSimpleName(),
value));
}
@Override
public Reference create( DateTime value ) throws ValueFormatException {
throw new ValueFormatException(value, getPropertyType(),
GraphI18n.unableToCreateValue.text(getPropertyType().getName(),
DateTime.class.getSimpleName(),
value));
}
@Override
public Reference create( Name value ) {
throw new ValueFormatException(value, getPropertyType(), GraphI18n.unableToCreateValue.text(getPropertyType().getName(),
Name.class.getSimpleName(),
value));
}
@Override
public Reference create( Path value ) {
throw new ValueFormatException(value, getPropertyType(), GraphI18n.unableToCreateValue.text(getPropertyType().getName(),
Path.class.getSimpleName(),
value));
}
@Override
public Reference create( Path.Segment value ) {
throw new ValueFormatException(value, getPropertyType(),
GraphI18n.unableToCreateValue.text(getPropertyType().getName(),
Path.Segment.class.getSimpleName(),
value));
}
@Override
public Reference create( Reference value ) {
return value;
}
@Override
public Reference create( UUID value ) {
if (value == null) return null;
return new UuidReference(value, weak);
}
@Override
public Reference create( NodeKey value ) throws ValueFormatException {
return new NodeKeyReference(value, weak, false);
}
@Override
public Reference create( NodeKey value,
boolean foreign ) throws ValueFormatException {
return new NodeKeyReference(value, weak, foreign);
}
@Override
public Reference[] create( NodeKey[] values,
boolean foreign ) throws ValueFormatException {
if (values == null) return null;
final int length = values.length;
Reference[] result = createEmptyArray(length);
for (int i = 0; i != length; ++i) {
result[i] = create(values[i], foreign);
}
return result;
}
@Override
public Reference create( URI value ) {
throw new ValueFormatException(value, getPropertyType(), GraphI18n.unableToCreateValue.text(getPropertyType().getName(),
Date.class.getSimpleName(),
value));
}
@Override
public Reference 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 Reference 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 Reference 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
protected Reference[] createEmptyArray( int length ) {
return new Reference[length];
}
}
© 2015 - 2025 Weber Informatics LLC | Privacy Policy