/*
* Copyright 2000-2001,2004 The Apache Software Foundation.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.jetspeed.util;
//standard java stuff
import java.util.Hashtable;
import java.util.Map;
import java.util.Iterator;
/**
Defines a standard object configuration
A Config provides the parameters passed in the current request as well
as init parameters.
@author <a href="mailto:raphael@apache.org">Rapha謖 Luta</a>
@version $Id: BaseConfig.java,v 1.3 2004/02/23 03:23:42 jford Exp $
*/
public class BaseConfig extends Hashtable implements Config
{
private String name = null;
/**
Returns the name for this configuration
*/
public String getName()
{
return this.name;
}
/**
Sets the name of this configuration
*/
public void setName(String name)
{
this.name = name;
}
/**
Used to define a Portlet's parameters.
*/
public void setInitParameters( Map init_params )
{
clear();
putAll( init_params );
}
/**
Used to override Portlet's parameters.
*/
public void addInitParameters( Map init_params )
{
Iterator keys = init_params.keySet().iterator();
while (keys.hasNext() )
{
String key = (String)keys.next();
if( ! containsKey( key ) )
{
put( key , (String)init_params.get( key ) );
}
}
}
/**
Retrieves the PortletController parameters
*/
public Map getInitParameters()
{
return this;
}
/**
Used to define a PortletController's parameter.if value is null, removes
the key from the stored properties
*/
public void setInitParameter(String name, Object value)
{
if (name!=null)
{
if (value==null)
{
remove(name);
}
else
{
put(name,value);
}
}
}
/**
Returns a parameter (or null) that was given the controller.
*/
public String getInitParameter(String name)
{
return getInitParameter( name, null );
}
/**
Returns a parameter (or defaultValue) that was given the controller.
*/
public String getInitParameter(String name, String defaultValue)
{
String value = null;
try
{
value=(String)get(name);
if (value==null) value=defaultValue;
}
catch (RuntimeException e)
{
value=defaultValue;
}
return value;
}
/**
Returns the parameter names of this Config.
*/
public Iterator getInitParameterNames()
{
return keySet().iterator();
}
}