org.zkoss.zk.ui.impl.RichletConfigImpl Maven / Gradle / Ivy
/* RichletConfigImpl.java
Purpose:
Description:
History:
Thu Oct 5 15:24:09 2006, Created by tomyeh
Copyright (C) 2006 Potix Corporation. All Rights Reserved.
{{IS_RIGHT
This program is distributed under LGPL Version 2.1 in the hope that
it will be useful, but WITHOUT ANY WARRANTY.
}}IS_RIGHT
*/
package org.zkoss.zk.ui.impl;
import java.util.Map;
import org.zkoss.util.CollectionsX;
import org.zkoss.zk.ui.WebApp;
import org.zkoss.zk.ui.RichletConfig;
/**
* An implementation of {@link RichletConfig}.
*
* @author tomyeh
*/
public class RichletConfigImpl implements RichletConfig {
private final WebApp _wapp;
private final Map _params;
/**
* @param wapp the {@link WebApp} that this config belongs to (never null).
* @param params the initial parameters. Empty is assumed if null.
*/
public RichletConfigImpl(WebApp wapp, Map params) {
if (wapp == null)
throw new IllegalArgumentException("null");
_wapp = wapp;
_params = params == null || params.isEmpty() ? null: params;
}
//RichletConfig//
public WebApp getWebApp() {
return _wapp;
}
public String getInitParameter(String name) {
return _params != null ? _params.get(name): null;
}
public Iterable getInitParameterNames() {
if (_params != null)
return _params.keySet();
return CollectionsX.emptyIterable();
}
}