cc.pinel.mangue.util.MangaSearch.java Source code

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Here is the source code for cc.pinel.mangue.util.MangaSearch.java

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/*
 * Copyright 2014 Roque Pinel
 *
 * 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 cc.pinel.mangue.util;

import java.io.IOException;
import java.io.InputStream;
import java.net.MalformedURLException;
import java.net.URL;
import java.util.ArrayList;
import java.util.Collection;

import org.apache.commons.io.IOUtils;
import org.apache.commons.lang3.StringUtils;

import cc.pinel.mangue.model.Manga;

public class MangaSearch {
    /**
     * The minimum token length so that the required information can be loaded.
     */
    private static final int MIN_TOKEN_LENGHT = 6;

    /**
     * Searches mangas remotely using the query.
     * 
     * @param query the query to be searched
     * @return the list of mangas filtered
     * @throws MalformedURLException
     * @throws IOException
     */
    public static Collection search(String query) throws MalformedURLException, IOException {
        Collection mangas = new ArrayList();

        InputStream is = new URL("http://www.mangapanda.com/actions/search/?q=" + query + "&limit=20").openStream();

        String lines[] = StringUtils.split(IOUtils.toString(is), '\n');

        for (int i = 0, length = lines.length; i < length && i < 20; i++) {
            String tokens[] = StringUtils.splitPreserveAllTokens(lines[i], '|');

            if (tokens.length >= MIN_TOKEN_LENGHT)
                mangas.add(new Manga(tokens[5], tokens[2], convertOldPath(tokens[4])));
        }

        return mangas;
    }

    /**
     * Converts old path format to new paths format.
     * 
     * @param currentPath the current path
     * @return the new path
     */
    private static String convertOldPath(String currentPath) {
        int formatIndex = currentPath.indexOf(".html");
        if (formatIndex != 1 && currentPath.charAt(0) == '/') {
            int middleSlashIndex = currentPath.indexOf('/', 1);
            if (middleSlashIndex != -1 && middleSlashIndex < formatIndex)
                return "/" + currentPath.substring(middleSlashIndex + 1, formatIndex);
        }
        return currentPath;
    }
}