com.sangupta.twittercli.command.Timeline.java Source code

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Here is the source code for com.sangupta.twittercli.command.Timeline.java

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/**
 *
 * twittercli - Command line power tool for Twitter
 * Copyright (c) 2014, Sandeep Gupta
 * 
 * http://sangupta.com/projects/twittercli
 * 
 * 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 com.sangupta.twittercli.command;

import io.airlift.command.Command;

import com.google.gson.FieldNamingPolicy;
import com.sangupta.jerry.http.WebInvoker;
import com.sangupta.jerry.http.WebRequest;
import com.sangupta.jerry.http.WebRequestMethod;
import com.sangupta.jerry.http.WebResponse;
import com.sangupta.jerry.util.AssertUtils;
import com.sangupta.jerry.util.GsonUtils;
import com.sangupta.twittercli.TwitterCommand;
import com.sangupta.twittercli.domain.TwitterStatusUpdate;

@Command(name = "timeline", description = "Show 20 recent tweets for the current user")
public class Timeline extends TwitterCommand {

    @Override
    public void doCommand() {
        WebRequest request = WebInvoker.getWebRequest("https://api.twitter.com/1.1/statuses/home_timeline.json",
                WebRequestMethod.GET);
        user.signRequest(request);
        WebResponse response = WebInvoker.executeSilently(request);
        TwitterStatusUpdate[] updates = GsonUtils.getGson(FieldNamingPolicy.LOWER_CASE_WITH_UNDERSCORES)
                .fromJson(response.getContent(), TwitterStatusUpdate[].class);

        if (AssertUtils.isEmpty(updates)) {
            System.out.println("No tweets found");
            return;
        }

        System.out.println();
        for (TwitterStatusUpdate update : updates) {
            System.out.println("  @" + update.user.getScreenName());
            System.out.println("  " + update.text);
            System.out.println("  " + update.createdAt);
            System.out.println();
        }
    }

}