/*
* Copyright (c) 2006-2012 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:
* Bogdan Stefanescu
* Florent Guillaume
*/
package org.nuxeo.ecm.core.schema.types.primitives;
import org.apache.commons.lang.StringUtils;
import org.nuxeo.ecm.core.schema.types.PrimitiveType;
/**
* The double type.
*/
public final class DoubleType extends PrimitiveType {
private static final long serialVersionUID = 1L;
public static final String ID = "double";
public static final DoubleType INSTANCE = new DoubleType();
private DoubleType() {
super(ID);
}
@Override
public boolean validate(Object object) {
return object instanceof Number;
}
@Override
public Object convert(Object value) {
if (value instanceof Double) {
return value;
} else if (value instanceof Number) {
return Double.valueOf(((Number) value).longValue());
} else {
try {
return Double.valueOf((String) value);
} catch (NumberFormatException e) {
return null;
}
}
}
@Override
public Object decode(String str) {
if (StringUtils.isEmpty(str)) {
return null;
}
try {
return Double.valueOf(str);
} catch (NumberFormatException e) {
return Double.valueOf(0.0);
}
}
@Override
public String encode(Object object) {
if (object instanceof Double) {
return object.toString();
} else if (object instanceof Number) {
return object.toString();
} else {
return object != null ? (String) object : "";
}
}
protected Object readResolve() {
return INSTANCE;
}
}