Package twitter4j.examples.json

Source Code of twitter4j.examples.json.LoadRawJSON

/*
* Copyright 2007 Yusuke Yamamoto
*
* 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 twitter4j.examples.json;

import twitter4j.Status;
import twitter4j.TwitterException;
import twitter4j.TwitterObjectFactory;

import java.io.*;

/**
* Example application that load raw JSON forms from statuses/ directory and dump status texts.
*
* @author Yusuke Yamamoto - yusuke at mac.com
*/
public final class LoadRawJSON {
    /**
     * Usage: java twitter4j.examples.json.LoadRawJSON
     *
     * @param args String[]
     */
    public static void main(String[] args) {
        try {
            File[] files = new File("statuses").listFiles(new FilenameFilter() {
                public boolean accept(File dir, String name) {
                    return name.endsWith(".json");
                }
            });
            for (File file : files) {
                String rawJSON = readFirstLine(file);
                Status status = TwitterObjectFactory.createStatus(rawJSON);
                System.out.println("@" + status.getUser().getScreenName() + " - " + status.getText());
            }
            System.exit(0);
        } catch (IOException ioe) {
            ioe.printStackTrace();
            System.out.println("Failed to store tweets: " + ioe.getMessage());
        } catch (TwitterException te) {
            te.printStackTrace();
            System.out.println("Failed to get timeline: " + te.getMessage());
            System.exit(-1);
        }
    }

    private static String readFirstLine(File fileName) throws IOException {
        FileInputStream fis = null;
        InputStreamReader isr = null;
        BufferedReader br = null;
        try {
            fis = new FileInputStream(fileName);
            isr = new InputStreamReader(fis, "UTF-8");
            br = new BufferedReader(isr);
            return br.readLine();
        } finally {
            if (br != null) {
                try {
                    br.close();
                } catch (IOException ignore) {
                }
            }
            if (isr != null) {
                try {
                    isr.close();
                } catch (IOException ignore) {
                }
            }
            if (fis != null) {
                try {
                    fis.close();
                } catch (IOException ignore) {
                }
            }
        }
    }
}
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