org.apache.wicket.request.mapper.parameter.IPageParametersEncoder.java Source code

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Here is the source code for org.apache.wicket.request.mapper.parameter.IPageParametersEncoder.java

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/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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.wicket.request.mapper.parameter;

import org.apache.wicket.request.IRequestHandler;
import org.apache.wicket.request.Url;

/**
 * Encoder that can encode and decode {@link PageParameters} to/from URL.
 * 
 * @author Matej Knopp
 */
public interface IPageParametersEncoder {
    /**
     * Encode the given {@link PageParameters} instance into URL. The URL will be then merged with
     * the URL generated for {@link IRequestHandler}.
     * 
     * @param pageParameters
     *            parameters to encode
     * @return Url generated from the page parameters
     */
    Url encodePageParameters(PageParameters pageParameters);

    /**
     * Decodes the given URL to {@link PageParameters}. The URL will have all
     * {@link IRequestHandler} specified segments/parameters stripped.
     * 
     * @param url
     *            url to decode
     * @return {@link PageParameters} instance or <code>null</code> if empty
     */
    PageParameters decodePageParameters(Url url);
}