org.kie.google.YouTubeClient.java Source code

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/*
 * Copyright 2016 Red Hat, Inc. and/or its affiliates.
 *
 * 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.kie.google;

import java.io.IOException;
import java.security.GeneralSecurityException;
import java.util.ArrayList;
import java.util.List;
import java.util.stream.Collectors;

import com.google.api.client.googleapis.javanet.GoogleNetHttpTransport;
import com.google.api.client.http.HttpTransport;
import com.google.api.client.json.JsonFactory;
import com.google.api.client.json.jackson2.JacksonFactory;
import com.google.api.services.youtube.YouTube;
import com.google.api.services.youtube.model.Channel;
import org.kie.io.Entry;

public class YouTubeClient extends BaseClient {

    public List<Entry> getEntriesByKeyWord(final String keyWord) {
        try {
            return youTubeSearch().setQ(keyWord).setOrder("relevance").execute().getItems().stream().map(Entry::new)
                    .collect(Collectors.toList());

        } catch (GeneralSecurityException | IOException e) {
            e.printStackTrace();
        }

        return new ArrayList<>();
    }

    public List<Entry> getEntriesByUser(final String userName) {
        try {
            return youTubeSearch().setChannelId(channeId(userName)).setOrder("date").execute().getItems().stream()
                    .map(Entry::new).collect(Collectors.toList());

        } catch (IndexOutOfBoundsException | GeneralSecurityException | IOException e) {
            e.printStackTrace();
        }

        return new ArrayList<>();
    }

    YouTube youTube() throws GeneralSecurityException, IOException {
        final HttpTransport httpTransport = GoogleNetHttpTransport.newTrustedTransport();
        final JsonFactory jsonFactory = JacksonFactory.getDefaultInstance();

        return new YouTube.Builder(httpTransport, jsonFactory, credential(httpTransport, jsonFactory))
                .setApplicationName(GooglePlusProperties.APPLICATION_NAME).build();
    }

    private YouTube.Search.List youTubeSearch() throws IOException, GeneralSecurityException {
        return youTube().search().list("id,snippet").setMaxResults(50L);
    }

    private String channeId(final String userName) throws IOException, GeneralSecurityException {
        final List<Channel> channels = youTube().channels().list("snippet").setForUsername(userName).execute()
                .getItems();

        return channels.get(0).getId();
    }

}