Example usage for org.apache.commons.collections MapUtils getDoubleValue

Introduction

In this page you can find the example usage for org.apache.commons.collections MapUtils getDoubleValue.

Prototype

public static double getDoubleValue(final Map map, final Object key) 

Source Link

Document

Gets a double from a Map in a null-safe manner.

Usage

From source file:com.glaf.core.util.ParamUtils.java

public static double getDouble(Map<String, Object> dataMap, String key) {
    double result = 0.0D;
    Object value = dataMap.get(key);
    if (value == null) {
        value = dataMap.get(key.toLowerCase());
    }//  ww w  .j  a  v a2 s.  c o  m
    if (value == null) {
        value = dataMap.get(key.toUpperCase());
    }

    if (value != null && StringUtils.isNotEmpty(value.toString())) {
        if (value instanceof String) {
            String tmp = (String) value;
            result = Double.parseDouble(tmp);
        } else if (value instanceof Integer) {
            Integer x = (Integer) value;
            result = x.doubleValue();
        } else if (value instanceof Long) {
            Long x = (Long) value;
            result = x.doubleValue();
        } else if (value instanceof Double) {
            Double x = (Double) value;
            result = x.doubleValue();
        } else {
            String tmp = value.toString();
            result = Double.parseDouble(tmp);
        }
    } else {
        result = MapUtils.getDoubleValue(dataMap, key);
    }

    return result;
}

---