at.molindo.wicketutils.migration.WicketURLDecoder.java Source code

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Here is the source code for at.molindo.wicketutils.migration.WicketURLDecoder.java

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/**
 * Copyright 2010 Molindo GmbH
 *
 * 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 at.molindo.wicketutils.migration;

import org.apache.wicket.Application;
import org.apache.wicket.WicketRuntimeException;
import org.apache.wicket.util.encoding.UrlDecoder;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

public enum WicketURLDecoder {
    QUERY_INSTANCE(UrlDecoder.QUERY_INSTANCE),

    PATH_INSTANCE(UrlDecoder.PATH_INSTANCE);

    private static final Logger log = LoggerFactory.getLogger(WicketURLDecoder.class);

    private final UrlDecoder _decoder;

    private WicketURLDecoder(UrlDecoder decoder) {
        if (decoder == null) {
            throw new NullPointerException("decoder");
        }
        _decoder = decoder;
    }

    public String decode(String s) {
        Application app = null;

        try {
            app = Application.get();
        } catch (WicketRuntimeException ignored) {
            log.warn("No current Application found - defaulting encoding to UTF-8");
        }
        return decode(s, app == null ? "UTF-8" : app.getRequestCycleSettings().getResponseRequestEncoding());
    }

    private String decode(String s, String enc) {
        return _decoder.decode(s, enc);
    }
}