gov.nist.javax.sip.MergedSystemProperties Maven / Gradle / Ivy
package gov.nist.javax.sip;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.io.PrintStream;
import java.io.PrintWriter;
import java.io.Reader;
import java.io.Writer;
import java.util.Enumeration;
import java.util.InvalidPropertiesFormatException;
import java.util.Properties;
import java.util.Set;
public class MergedSystemProperties extends Properties {
private Properties parent;
public MergedSystemProperties(Properties props) {
parent = props;
}
public void list(PrintStream out) {
parent.list(out);
}
public void list(PrintWriter out) {
parent.list(out);
}
public synchronized void load(InputStream inStream) throws IOException {
parent.load(inStream);
}
public synchronized void load(Reader reader) throws IOException {
throw new RuntimeException("Not implemented for Java 5 compatibility");
}
public synchronized void loadFromXML(InputStream in) throws IOException,
InvalidPropertiesFormatException {
parent.loadFromXML(in);
}
public Enumeration propertyNames() {
return parent.propertyNames();
}
public synchronized void save(OutputStream out, String comments) {
parent.save(out, comments);
}
public synchronized Object setProperty(String key, String value) {
return parent.setProperty(key, value);
}
public void store(OutputStream out, String comments) throws IOException {
parent.store(out, comments);
}
public void store(Writer writer, String comments) throws IOException {
throw new RuntimeException("Not implemented for Java 5 compatibility");
}
public synchronized void storeToXML(OutputStream os, String comment,
String encoding) throws IOException {
parent.storeToXML(os, comment, encoding);
}
public synchronized void storeToXML(OutputStream os, String comment)
throws IOException {
parent.storeToXML(os, comment);
}
public Set stringPropertyNames() {
throw new RuntimeException("Not implemented for Java 5 compatibility");
}
public String getProperty(String key, String defaultValue) {
if(System.getProperty(key) != null)
return System.getProperty(key);
return parent.getProperty(key, defaultValue);
}
public String getProperty(String key) {
if(System.getProperty(key) != null)
return System.getProperty(key);
return parent.getProperty(key);
}
@Override
public Object get(Object key) {
if(System.getProperty(key.toString()) != null)
return System.getProperty(key.toString());
return parent.getProperty(key.toString());
}
/**
*
*/
private static final long serialVersionUID = -7922854860297151103L;
/**
* Determines whether key is already present here. .
*
* @param key the key that we are looking for.
*
* @return true key is a known property and false
* otherwise.
*/
@Override
public boolean containsKey(Object key){
return parent.containsKey(key);
}
public String toString() {
return super.toString() + parent.toString();
}
}