/*
* Copyright (c) 2006-2011 Nuxeo SA (http://nuxeo.com/) and others.
*
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Nuxeo - initial API and implementation
*
* $Id$
*/
package org.eclipse.ecr.core.schema.types.primitives;
import org.eclipse.ecr.core.schema.types.PrimitiveType;
/**
* @author <a href="mailto:bs@nuxeo.com">Bogdan Stefanescu</a>
*/
public final class LongType extends PrimitiveType {
public static final String ID = "long";
public static final LongType INSTANCE = new LongType();
private static final long serialVersionUID = 5638497847182758981L;
private LongType() {
super(ID);
}
@Override
public boolean validate(Object object) {
return object instanceof Number;
}
@Override
public Object convert(Object value) {
if (value instanceof Long) {
return value;
} else if (value instanceof Number) {
return ((Number) value).longValue();
} else {
try {
return Long.parseLong((String) value);
} catch (NumberFormatException e) {
return null;
}
}
}
@Override
public Object decode(String str) {
if (str == null) {
return null;
}
try {
return Long.parseLong(str);
} catch (NumberFormatException e) {
return 0L;
}
}
@Override
public String encode(Object object) {
if (object instanceof Long) {
return object.toString();
} else if (object instanceof Number) {
return object.toString();
} else {
return object != null ? (String) object : "";
}
}
protected Object readResolve() {
return INSTANCE;
}
}