BooleanValueFactory.java

/*
 * 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#BOOLEAN} values.
 */
@Immutable
public class BooleanValueFactory extends AbstractValueFactory<Boolean> {

    /**
     * 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 BooleanValueFactory( TextDecoder decoder,
                                ValueFactories factories ) {
        super(PropertyType.BOOLEAN, decoder, factories);
    }

    @Override
    public BooleanValueFactory with( ValueFactories valueFactories ) {
        return super.valueFactories == valueFactories ? this : new BooleanValueFactory(super.getDecoder(), valueFactories);
    }

    @Override
    public Boolean create( String value ) {
        if (value == null) return null;
        return Boolean.valueOf(value.trim());
    }

    @Override
    public Boolean 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 Boolean create( int value ) {
        throw new ValueFormatException(value, getPropertyType(),
                                       GraphI18n.unableToCreateValue.text(getPropertyType().getName(),
                                                                          Integer.class.getSimpleName(),
                                                                          value));
    }

    @Override
    public Boolean create( long value ) {
        throw new ValueFormatException(value, getPropertyType(), GraphI18n.unableToCreateValue.text(getPropertyType().getName(),
                                                                                                    Long.class.getSimpleName(),
                                                                                                    value));
    }

    @Override
    public Boolean create( boolean value ) {
        return Boolean.valueOf(value);
    }

    @Override
    public Boolean create( float value ) {
        throw new ValueFormatException(value, getPropertyType(), GraphI18n.unableToCreateValue.text(getPropertyType().getName(),
                                                                                                    Float.class.getSimpleName(),
                                                                                                    value));
    }

    @Override
    public Boolean create( double value ) {
        throw new ValueFormatException(value, getPropertyType(), GraphI18n.unableToCreateValue.text(getPropertyType().getName(),
                                                                                                    Double.class.getSimpleName(),
                                                                                                    value));
    }

    @Override
    public Boolean create( BigDecimal value ) {
        throw new ValueFormatException(value, getPropertyType(),
                                       GraphI18n.unableToCreateValue.text(getPropertyType().getName(),
                                                                          BigDecimal.class.getSimpleName(),
                                                                          value));
    }

    @Override
    public Boolean create( Calendar value ) {
        throw new ValueFormatException(value, getPropertyType(),
                                       GraphI18n.unableToCreateValue.text(getPropertyType().getName(),
                                                                          Calendar.class.getSimpleName(),
                                                                          value));
    }

    @Override
    public Boolean create( Date value ) {
        throw new ValueFormatException(value, getPropertyType(), GraphI18n.unableToCreateValue.text(getPropertyType().getName(),
                                                                                                    Date.class.getSimpleName(),
                                                                                                    value));
    }

    @Override
    public Boolean create( DateTime value ) throws ValueFormatException {
        throw new ValueFormatException(value, getPropertyType(),
                                       GraphI18n.unableToCreateValue.text(getPropertyType().getName(),
                                                                          DateTime.class.getSimpleName(),
                                                                          value));
    }

    @Override
    public Boolean create( Name value ) {
        throw new ValueFormatException(value, getPropertyType(), GraphI18n.unableToCreateValue.text(getPropertyType().getName(),
                                                                                                    Name.class.getSimpleName(),
                                                                                                    value));
    }

    @Override
    public Boolean create( Path value ) {
        throw new ValueFormatException(value, getPropertyType(), GraphI18n.unableToCreateValue.text(getPropertyType().getName(),
                                                                                                    Path.class.getSimpleName(),
                                                                                                    value));
    }

    @Override
    public Boolean create( Path.Segment value ) {
        throw new ValueFormatException(value, getPropertyType(),
                                       GraphI18n.unableToCreateValue.text(getPropertyType().getName(),
                                                                          Path.Segment.class.getSimpleName(),
                                                                          value));
    }

    @Override
    public Boolean create( Reference value ) {
        throw new ValueFormatException(value, getPropertyType(),
                                       GraphI18n.unableToCreateValue.text(getPropertyType().getName(),
                                                                          Reference.class.getSimpleName(),
                                                                          value));
    }

    @Override
    public Boolean create( URI value ) {
        throw new ValueFormatException(value, getPropertyType(), GraphI18n.unableToCreateValue.text(getPropertyType().getName(),
                                                                                                    URI.class.getSimpleName(),
                                                                                                    value));
    }

    @Override
    public Boolean create( UUID value ) {
        throw new ValueFormatException(value, getPropertyType(), GraphI18n.unableToCreateValue.text(getPropertyType().getName(),
                                                                                                    UUID.class.getSimpleName(),
                                                                                                    value));
    }

    @Override
    public Boolean create( NodeKey value ) throws ValueFormatException {
        throw new ValueFormatException(value, getPropertyType(),
                                       GraphI18n.unableToCreateValue.text(getPropertyType().getName(),
                                                                          NodeKey.class.getSimpleName(),
                                                                          value));
    }

    @Override
    public Boolean create( byte[] value ) {
        // First create a string and then create the boolean from the string value ...
        return create(getStringValueFactory().create(value));
    }

    @Override
    public Boolean 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 Boolean create( InputStream stream ) throws IoException {
        // First create a string and then create the boolean from the string value ...
        return create(getStringValueFactory().create(stream));
    }

    @Override
    public Boolean[] createEmptyArray( int length ) {
        return new Boolean[length];
    }

}