// Copyright 2005-2007 onetsoft.com
//
// 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.
package com.onetsoft.fastjsp.util;

/**
 * @author <a href="mailto:hgw@onetsoft.com">hgw</a>
 */
public class ValueParser {
    public static double parseDouble(String value, double defaultValue) {
        double result = defaultValue;
        if (value != null && value.length() != 0) {
            try {
                result = Double.parseDouble(value.trim());
            } catch (Exception e) {
                handleException(e);
            }
        }
        return result;
    }

    public static int parseInt(String value, int defaultValue) {
        int result = defaultValue;
        if (value != null && value.length() != 0) {
            try {
                result = Integer.parseInt(value.trim());
            } catch (Exception e) {
                handleException(e);
            }
        }
        return result;
    }

    public static long parseLong(String value, long defaultValue) {
        long result = defaultValue;
        if (value != null && value.length() != 0) {
            try {
                result = Long.parseLong(value.trim());
            } catch (Exception e) {
                handleException(e);
            }
        }
        return result;
    }


    public static boolean parseBoolean(String value, boolean defaultValue) {
        boolean result = defaultValue;
        if (value != null && value.length() != 0) {
            if (value.equals("1") || value.equalsIgnoreCase("true") || value.equalsIgnoreCase("yes") || value.equalsIgnoreCase("on")) {
                result = true;
            } else if (value.equals("0") || value.equalsIgnoreCase("false") || value.equalsIgnoreCase("no") || value.equalsIgnoreCase("off")) {
                result = false;
            }
        }
        return result;
    }

    private static void handleException(Exception e) {
    /*    log.error(e);*/
    }

}