propertyreader.java

java 的源代码

package com.reddragon2046.base.utilities.util;

import java.util.Properties;

// Referenced classes of package com.reddragon2046.base.utilities.util:
//            PropertyNotFoundException, IPropertyReader

public class PropertyReader
    implements IPropertyReader
{

    public PropertyReader(Properties props)
    {
        m_props = props;
    }

    public String getStringProperty(String key)
    {
        String value = m_props.getProperty(key);
        if(value != null)
            value = value.trim();
        return value;
    }

    public String getStringPropertyOrDefault(String key, String defaultValue)
    {
        String prop = getStringProperty(key);
        if(prop == null)
            return defaultValue;
        else
            return prop;
    }

    public String getStringPropertyOrFail(String key)
        throws PropertyNotFoundException
    {
        String value = m_props.getProperty(key);
        if(value == null)
            throw new PropertyNotFoundException(key);
        else
            return value;
    }

    public String getStringPropertyOrFail(String key, RuntimeException e)
    {
        String value = m_props.getProperty(key);
        if(value == null)
            throw e;
        else
            return value;
    }

    public Integer getIntegerProperty(String key)
    {
        String value = getStringProperty(key);
        if(value == null)
            return null;
        else
            return new Integer(value);
    }

    public Integer getIntegerPropertyOrDefault(String key, Integer defaultIntValue)
    {
        String defaultValue = defaultIntValue.toString();
        return new Integer(getStringPropertyOrDefault(key, defaultValue));
    }

    public int getIntegerPropertyOrFail(String key)
        throws PropertyNotFoundException
    {
        Integer value = new Integer(getStringPropertyOrFail(key));
        return value.intValue();
    }

    public int getIntegerPropertyOrFail(String key, RuntimeException e)
    {
        Integer value = new Integer(getStringPropertyOrFail(key, e));
        return value.intValue();
    }

    private Properties m_props;
}