com.wabacus.system.datatype.AbsNumberType.java Source code

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Here is the source code for com.wabacus.system.datatype.AbsNumberType.java

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/* 
 * Copyright (C) 2010---2014 (wuweixing)<349446658@qq.com>
 * 
 * This file is part of Wabacus 
 * 
 * Wabacus is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * 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 program.  If not, see <http://www.gnu.org/licenses/>.
 */
package com.wabacus.system.datatype;

import java.text.DecimalFormat;
import java.text.ParseException;
import java.util.Map;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.dom4j.Element;

public abstract class AbsNumberType extends AbsDataType {
    private final static Log log = LogFactory.getLog(AbsNumberType.class);

    protected String numberformat;

    public void loadTypeConfig(Element eleDataType) {
        if (eleDataType == null)
            return;
        numberformat = eleDataType.attributeValue("defaultformat");
        numberformat = numberformat == null ? "" : numberformat.trim();
        if (numberformat.equals(""))
            numberformat = null;
    }

    public IDataType setUserConfigString(String configstring) {
        if (configstring == null || configstring.trim().equals(""))
            return this;
        configstring = configstring.trim();
        if (getAllMNumberTypeObjects().containsKey(configstring)) {
            return getAllMNumberTypeObjects().get(configstring);
        }
        AbsNumberType newNumberType = null;
        try {
            newNumberType = (AbsNumberType) super.clone();
            newNumberType.numberformat = configstring;
            getAllMNumberTypeObjects().put(configstring, newNumberType);
        } catch (CloneNotSupportedException e) {
            e.printStackTrace();
        }
        return newNumberType;
    }

    protected Number getNumber(String strvalue) {
        if (strvalue == null || strvalue.trim().equals(""))
            strvalue = "0";
        if (this.numberformat != null && !this.numberformat.trim().equals("")) {
            DecimalFormat df = new DecimalFormat(this.numberformat);
            Number n = 0;
            try {
                n = df.parse(strvalue.trim());
            } catch (ParseException e) {
                log.error(strvalue + "??" + this.numberformat + "?", e);
                n = 0;
            }
            return n;
        } else {
            return null;
        }
    }

    protected abstract Map<String, AbsNumberType> getAllMNumberTypeObjects();
}