net.hamnaberg.rest.URIListHandler.java Source code

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Here is the source code for net.hamnaberg.rest.URIListHandler.java

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/*
 * Copyright 2009 JavaBin
 *   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 net.hamnaberg.rest;

import net.hamnaberg.rest.spi.HandlerSpi;
import org.codehaus.httpcache4j.MIMEType;
import org.codehaus.httpcache4j.payload.Payload;
import org.apache.commons.io.IOUtils;

import java.net.URI;
import java.util.List;
import java.util.ArrayList;
import java.io.InputStream;
import java.io.IOException;

/**
 * @author <a href="mailto:erlend@hamnaberg.net">Erlend Hamnaberg</a>
 * @version $Revision: #5 $ $Date: 2008/09/15 $
 */
public class URIListHandler extends Handler<List<URI>> {

    public URIListHandler(final HandlerSpi spi) {
        super(spi, MIMEType.valueOf("text/uri-list"));
    }

    public List<URI> handle(Payload payload) {
        List<URI> uris = new ArrayList<URI>();
        InputStream stream = payload.getInputStream();
        try {
            String value = IOUtils.toString(stream);
            String[] list = value.split("\r\n");
            for (String uri : list) {
                if (uri.charAt(0) == '#') {
                    continue;
                }
                uris.add(URI.create(uri));
            }
        } catch (IOException e) {
            throw new RuntimeException(e);
        } finally {
            IOUtils.closeQuietly(stream);
        }
        return uris;
    }
}