/*
* Hibernate, Relational Persistence for Idiomatic Java
*
* Copyright (c) 2010, Red Hat Inc. or third-party contributors as
* indicated by the @author tags or express copyright attribution
* statements applied by the authors. All third-party contributions are
* distributed under license by Red Hat Inc.
*
* This copyrighted material is made available to anyone wishing to use, modify,
* copy, or redistribute it subject to the terms and conditions of the GNU
* Lesser General Public License, as published by the Free Software Foundation.
*
* This program 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 distribution; if not, write to:
* Free Software Foundation, Inc.
* 51 Franklin Street, Fifth Floor
* Boston, MA 02110-1301 USA
*/
package org.hibernate.type.descriptor.java;
import org.hibernate.type.descriptor.WrapperOptions;
import static java.lang.Boolean.FALSE;
import static java.lang.Boolean.TRUE;
/**
* Descriptor for {@link Boolean} handling.
*
* @author Steve Ebersole
*/
public class BooleanTypeDescriptor extends AbstractTypeDescriptor<Boolean> {
public static final BooleanTypeDescriptor INSTANCE = new BooleanTypeDescriptor();
private final char characterValueTrue;
private final char characterValueFalse;
private final char characterValueTrueLC;
private final String stringValueTrue;
private final String stringValueFalse;
public BooleanTypeDescriptor() {
this( 'Y', 'N' );
}
public BooleanTypeDescriptor(char characterValueTrue, char characterValueFalse) {
super( Boolean.class );
this.characterValueTrue = Character.toUpperCase( characterValueTrue );
this.characterValueFalse = Character.toUpperCase( characterValueFalse );
characterValueTrueLC = Character.toLowerCase( characterValueTrue );
stringValueTrue = String.valueOf( characterValueTrue );
stringValueFalse = String.valueOf( characterValueFalse );
}
public String toString(Boolean value) {
return value == null ? null : value.toString();
}
public Boolean fromString(String string) {
return Boolean.valueOf( string );
}
@SuppressWarnings({ "unchecked" })
public <X> X unwrap(Boolean value, Class<X> type, WrapperOptions options) {
if ( value == null ) {
return null;
}
if ( Boolean.class.isAssignableFrom( type ) ) {
return (X) value;
}
if ( Byte.class.isAssignableFrom( type ) ) {
return (X) toByte( value );
}
if ( Short.class.isAssignableFrom( type ) ) {
return (X) toShort( value );
}
if ( Integer.class.isAssignableFrom( type ) ) {
return (X) toInteger( value );
}
if ( Long.class.isAssignableFrom( type ) ) {
return (X) toInteger( value );
}
if ( Character.class.isAssignableFrom( type ) ) {
return (X) Character.valueOf( value ? characterValueTrue : characterValueFalse );
}
if ( String.class.isAssignableFrom( type ) ) {
return (X) (value ? stringValueTrue : stringValueFalse);
}
throw unknownUnwrap( type );
}
@SuppressWarnings({ "UnnecessaryUnboxing" })
public <X> Boolean wrap(X value, WrapperOptions options) {
if ( value == null ) {
return null;
}
if ( Boolean.class.isInstance( value ) ) {
return (Boolean) value;
}
if ( Number.class.isInstance( value ) ) {
final int intValue = ( (Number) value ).intValue();
return intValue == 0 ? FALSE : TRUE;
}
if ( Character.class.isInstance( value ) ) {
return isTrue( ( (Character) value ).charValue() ) ? TRUE : FALSE;
}
if ( String.class.isInstance( value ) ) {
return isTrue( ( (String) value ).charAt( 0 ) ) ? TRUE : FALSE;
}
throw unknownWrap( value.getClass() );
}
private boolean isTrue(char charValue) {
return charValue == characterValueTrue || charValue == characterValueTrueLC;
}
public int toInt(Boolean value) {
return value ? 1 : 0;
}
@SuppressWarnings({ "UnnecessaryBoxing" })
public Byte toByte(Boolean value) {
return Byte.valueOf( (byte) toInt( value ) );
}
@SuppressWarnings({ "UnnecessaryBoxing" })
public Short toShort(Boolean value) {
return Short.valueOf( (short ) toInt( value ) );
}
@SuppressWarnings({ "UnnecessaryBoxing" })
public Integer toInteger(Boolean value) {
return Integer.valueOf( toInt( value ) );
}
@SuppressWarnings({ "UnnecessaryBoxing" })
public Long toLong(Boolean value) {
return Long.valueOf( toInt( value ) );
}
}