Helper PropertiesWithImport

Jan Burse, created Sep 15. 2018
package matula.util.wire;
import java.util.Properties;
* <p>This class provides a properties with import.</p>
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public final class PropertiesWithImport extends Properties {
private ListArray<Properties> imports = new ListArray<Properties>();
* <p>Add an import.</p>
* @param map The import.
public void addImport(Properties map) {
if (map == null)
throw new NullPointerException("map missing");
* <p>Retrieve the property.</p>
* @param key The key.
* @return The property.
public String getProperty(String key) {
for (int i = 0; i < imports.size(); i++) {
String res = imports.get(i).getProperty(key);
if (res != null)
return res;
return super.getProperty(key);