Flink Tweet Input Format

<dependency>
    <groupId>org.apache.flink</groupId>
    <artifactId>flink-tweet-inputformat_2.11</artifactId>
    <version>1.3.3</version>
</dependency>

import org.apache.flink.contrib.tweetinputformat.io.SimpleTweetInputFormat;
import org.apache.flink.contrib.tweetinputformat.model.tweet.Tweet;

import org.apache.flink.contrib.tweetinputformat.io.SimpleTweetInputFormat;
import org.apache.flink.contrib.tweetinputformat.model.tweet.Tweet;
import org.apache.flink.api.java.DataSet;
import org.apache.flink.api.java.ExecutionEnvironment;

// Create Flink execution environment
ExecutionEnvironment env = ExecutionEnvironment.getExecutionEnvironment();

// Create input format for Twitter JSON data
SimpleTweetInputFormat inputFormat = new SimpleTweetInputFormat();

// Read tweets from file or stream
DataSet<Tweet> tweets = env.readFile(inputFormat, "path/to/tweets.json");

// Process tweet data
tweets.map(tweet -> {
    String text = tweet.getText();
    String userName = tweet.getUser().getScreen_name();
    long retweetCount = tweet.getRetweet_count();
    return String.format("@%s: %s [RTs: %d]", userName, text, retweetCount);
}).print();

env.execute("Twitter Stream Processing");

public class SimpleTweetInputFormat extends DelimitedInputFormat<Tweet> 
    implements ResultTypeQueryable<Tweet> {
    
    public void open(FileInputSplit split) throws IOException;
    public Tweet nextRecord(Tweet record) throws IOException;
    public Tweet readRecord(Tweet reuse, byte[] bytes, int offset, int numBytes) throws IOException;
    public TypeInformation<Tweet> getProducedType();
}

public class Tweet {
    public Tweet();
    public Tweet(int level);
    public void reset(int level);
    
    // Core tweet properties
    public String getText();
    public void setText(String text);
    public long getId();
    public void setId(long id);
    public String getCreated_at();
    public void setCreated_at(String created_at);
    
    // Related objects
    public Users getUser();
    public void setUser(Users user);
    public Entities getEntities();
    public void setEntities(Entities entities);
    public Places getPlace();
    public void setPlace(Places place);
    public Tweet getRetweeted_status();
    public void setRetweeted_status(Tweet retweeted_status);
}

public class Users {
    public Users();
    public void reset();
    
    // User identification
    public long getId();
    public void setId(long id);
    public String getScreen_name();
    public void setScreen_name(String screen_name);
    public String getName();
    public void setName(String name);
    
    // Profile information
    public String getDescription();
    public void setDescription(String description);
    public String getLocation();
    public void setLocation(String location);
    public boolean isVerified();
    public void setVerified(boolean verified);
    
    // Metrics
    public long getFollowers_count();
    public void setFollowers_count(long followers_count);
    public long getFriends_count();
    public void setFriends_count(long friends_count);
}

public class Entities {
    public Entities();
    
    public List<HashTags> getHashtags();
    public void setHashtags(List<HashTags> hashtags);
    public List<URL> getUrls();
    public void setUrls(List<URL> urls);
    public List<UserMention> getUser_mentions();
    public void setUser_mentions(List<UserMention> user_mentions);
    public List<Media> getMedia();
    public void setMedia(List<Media> media);
    public List<Symbol> getSymbols();
    public void setSymbols(List<Symbol> symbols);
}

public class Coordinates {
    public Coordinates();
    
    public double[] getCoordinates();
    public void setCoordinates(double[] coordinates);
    public void setCoordinates(double longitude, double latitude);
    public String getType();
}

public class Places {
    public Places();
    
    public String getId();
    public void setId(String id);
    public String getName();
    public void setName(String name);
    public String getCountry();
    public void setCountry(String country);
    public Attributes getAttributes();
    public void setAttributes(Attributes attributes);
}

// Core input format for Flink integration
public class SimpleTweetInputFormat extends DelimitedInputFormat<Tweet> 
    implements ResultTypeQueryable<Tweet>;

// JSON parsing handler
public class TweetHandler implements ContentHandler;

// Main tweet data structure  
public class Tweet;

// User profile information
public class Users;

// Entity container
public class Entities;

// Individual entity types
public class HashTags;
public class URL; 
public class UserMention;
public class Media;
public class Symbol;

// Geographic data
public class Coordinates;
public class Places;
public class Attributes;
public class BoundingBox;

// Additional data structures
public class Contributors;
public class CurrentUserRetweet;
public class Size;