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org.efaps.admin.datamodel.ui.NumberUI Maven / Gradle / Ivy

/*
 * Copyright 2003 - 2013 The eFaps Team
 *
 * 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.
 *
 * Revision:        $Rev: 8848 $
 * Last Changed:    $Date: 2013-02-19 10:49:59 -0500 (Tue, 19 Feb 2013) $
 * Last Changed By: $Author: [email protected] $
 */

package org.efaps.admin.datamodel.ui;

import java.text.DecimalFormat;
import java.text.NumberFormat;

import org.efaps.admin.datamodel.Attribute;
import org.efaps.admin.dbproperty.DBProperties;
import org.efaps.db.Context;
import org.efaps.util.EFapsException;

/**
 * Class used to represent any type of number for the UI.
 *
 * @author The eFaps Team
 * @version $Id: NumberUI.java 8848 2013-02-19 15:49:59Z [email protected] $
 */
public class NumberUI
    extends StringUI
{
    /**
     * Needed for serialization.
     */
    private static final long serialVersionUID = 1L;

    /**
     * {@inheritDoc}
     */
    @Override
    public Object getObject4Compare(final FieldValue _fieldValue)
        throws EFapsException
    {
        return _fieldValue.getValue();
    }

    /**
     * {@inheritDoc}
     */
    @Override
    public int compare(final FieldValue _fieldValue,
                       final FieldValue _fieldValue2)
    {
        int ret = 0;
        if (_fieldValue.getValue() instanceof Long && _fieldValue2.getValue() instanceof Long) {
            final Long num = (Long) _fieldValue.getValue();
            final Long num2 = (Long) _fieldValue2.getValue();
            ret = num.compareTo(num2);
        } else if (_fieldValue.getValue() instanceof Integer && _fieldValue2.getValue() instanceof Integer) {
            final Integer num = (Integer) _fieldValue.getValue();
            final Integer num2 = (Integer) _fieldValue2.getValue();
            ret = num.compareTo(num2);
        }
        return ret;
    }

    /**
     * {@inheritDoc}
     * Validate the value by parsing it. If an error is thrown the value is not valid.
     */
    @Override
    public String validateValue(final String _value,
                                final Attribute _attribute)
    {
        String ret = null;
        try {
            Long.valueOf(_value);
        } catch (final NumberFormatException e) {
            ret = DBProperties.getProperty(NumberUI.class.getName() + ".InvalidValue");
        }
        return ret;
    }

    /**
     * {@inheritDoc}
     */
    @Override
    public Object format(final Object _object,
                         final String _pattern)
        throws EFapsException
    {
        final DecimalFormat formatter = (DecimalFormat) NumberFormat.getInstance(Context.getThreadContext()
                        .getLocale());
        formatter.applyPattern(_pattern);
        return formatter.format(_object);
    }
}




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