org.glassfish.jersey.internal.MapPropertiesDelegate Maven / Gradle / Ivy
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package org.glassfish.jersey.internal;
import java.util.Collection;
import java.util.Collections;
import java.util.HashMap;
import java.util.Map;
/**
* Properties delegate backed by a {@code Map}.
*
* @author Marek Potociar (marek.potociar at oracle.com)
*/
public final class MapPropertiesDelegate implements PropertiesDelegate {
private final Map store;
/**
* Create new map-based properties delegate.
*/
public MapPropertiesDelegate() {
this.store = new HashMap();
}
/**
* Create new map-based properties delegate.
*
* @param store backing property store.
*/
public MapPropertiesDelegate(Map store) {
this.store = store;
}
/**
* Initialize new map-based properties delegate from another
* delegate.
*
* @param that original properties delegate.
*/
public MapPropertiesDelegate(PropertiesDelegate that) {
if (that instanceof MapPropertiesDelegate) {
this.store = new HashMap(((MapPropertiesDelegate) that).store);
} else {
this.store = new HashMap();
for (String name : that.getPropertyNames()) {
this.store.put(name, that.getProperty(name));
}
}
}
@Override
public Object getProperty(String name) {
return store.get(name);
}
@Override
public Collection getPropertyNames() {
return Collections.unmodifiableCollection(store.keySet());
}
@Override
public void setProperty(String name, Object value) {
store.put(name, value);
}
@Override
public void removeProperty(String name) {
store.remove(name);
}
}