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Utility classes and methods developed for Brooklyn but not dependendent on Brooklyn or much else

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package brooklyn.util.internal;

public class StringSystemProperty {

    // TODO replace usages of this and related items with ConfigKeys
    
    public StringSystemProperty(String name) {
        this.propertyName = name;
    }

    private final String propertyName;

    public String getPropertyName() {
        return propertyName;
    }

    public boolean isAvailable() {
        String property = System.getProperty(getPropertyName());
        return property!=null;
    }
    public boolean isNonEmpty() {
        String property = System.getProperty(getPropertyName());
        return property!=null && !property.equals("");
    }
    public String getValue() {
        return System.getProperty(getPropertyName());
    }
    @Override
    public String toString() {
        return getPropertyName()+(isAvailable()?"="+getValue():"(unset)");
    }
}