/*
 * Copyright 2003,2004 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.pluto.internal;

/**
 * This class represents a portlet preference, which is a name-value pair.
 * 
 * @author <a href="mailto:ddewolf@apache.org">David H. DeWolf</a>
 * @author <a href="mailto:zheng@apache.org">ZHENG Zhong</a>
 */
public interface InternalPortletPreference {
	
	/**
	 * Returns the name of this portlet preference.
	 * @return the name of this portlet preference.
	 */
    public String getName();
    
    /**
     * Returns the values of this portlet preference, which is a string array.
     * @return the values of this portlet preference as a string array.
     */
    public String[] getValues();
    
    /**
     * Sets values of this portlet preference.
     * @param values  values of this portlet preference to set.
     */
    public void setValues(String[] values);
    
    /**
     * Returns true if this portlet preference is marked as read-only.
     * @return true if this portlet preference is marked as read-only.
     */
    public boolean isReadOnly();
    
    /**
     * Clone a copy of itself.
     * @return a copy of itself.
     */
    public Object clone();
    
}