#Java - Code Snippets for '#Java.util.Map'

#Java - Code Snippets for '#Java.util.Map' - 6 code snippet(s) found

Sample 1. Blogger API for creating Posts ( Change xxxxxx to your blog specific info )

package Reader;



import java.io.IOException;

import java.util.ArrayList;

import java.util.List;

import java.util.Map;



import org.apache.http.HttpEntity;

import org.apache.http.HttpResponse;

import org.apache.http.NameValuePair;

import org.apache.http.client.ClientProtocolException;

import org.apache.http.client.HttpClient;

import org.apache.http.client.entity.UrlEncodedFormEntity;

import org.apache.http.client.methods.HttpPost;

import org.apache.http.client.methods.HttpRequestBase;

import org.apache.http.entity.StringEntity;

import org.apache.http.impl.client.DefaultHttpClient;

import org.apache.http.message.BasicNameValuePair;

import org.apache.http.util.EntityUtils;



import com.squareup.okhttp.MediaType;

import com.squareup.okhttp.OkHttpClient;



public class BlogPostCreater {

      

   public static final MediaType JSON = MediaType.parse("application/json; charset=utf-8");



   OkHttpClient client = new OkHttpClient();

    

   String post(String title, String content,String label,String authorization_key) throws IOException {

      

      content = content.replace(""",""");

      

      

      String url = "https://www.googleapis.com/blogger/v3/blogs/xxxxxxxxxx/posts?clientId=xxxxxxxx&clientSecret=xxxxxxxx";



      HttpClient client = new DefaultHttpClient();

      HttpPost post = new HttpPost(url);



      // add header

      post.setHeader("Authorization", authorization_key);

      post.setHeader("Content-type","application/json");

      

      post.setEntity(new StringEntity(buildJson(title,content,label)));

       

      HttpResponse response = client.execute(post);

            

      System.out.println(response);

      

      return "true";

    }

   

      



     String buildJson(String title, String content,String label) {

       

        System.out.println(label);

        return "{"status": "LIVE", "content": ""+content+"", "kind": "blogger#post"" +

             ", "title": ""+title+"", "url": "xxxxxx", " +

             ""readerComments": "DONT_ALLOW_HIDE_EXISTING", "author": {" +

             ""url": "https://www.blogger.com/profile/04326686331881561093", " +

             ""image": {" +

             ""url": "//lh4.googleusercontent.com/-64Ucx9lX9Q4/AAAAAAAAAAI/AAAAAAAAAx0/-rUjBgS3djE/s35-c/photo.jpg"" +

             "}, " +

             ""displayName": "Vivek Vermani", " +

             ""id": "g108356395081185480077"" +

             "}, "updated": "2015-09-28T09:46:12+05:30", "replies": {"totalItems": "0", " +

             ""selfLink": "https://www.googleapis.com/blogger/v3/blogs/xxxxxxxxxx/posts/2495464003469367152/comments"" +

             "}, "blog": {"id": "4275342475651800664"}, " +

             ""etag": "'GtyIIQmNmmUjEA0nwhSqMElCJ1g/dGltZXN0YW1wOiAxNDQzNDEzNzcyMDc1Cm9mZnNldDogMTk4MDAwMDAK'", " +

             ""published": "2015-09-28T09:46:00+05:30", " +

             ""id": "2495464003469367152", " +

             ""selfLink": "https://www.googleapis.com/blogger/v3/blogs/xxxxxx/posts/2495464003469367152"}";

     }

     

     public String post(String url, Map<String,String> formParameters) throws ClientProtocolException, IOException { 

        HttpPost request = new HttpPost(url);

          

        List <NameValuePair> nvps = new ArrayList <NameValuePair>();

         

        for (String key : formParameters.keySet()) {

         nvps.add(new BasicNameValuePair(key, formParameters.get(key))); 

        }

       

        request.setEntity(new UrlEncodedFormEntity(nvps));

         

        return execute(request);

       }



   // makes request and checks response code for 200

     private String execute(HttpRequestBase request) throws ClientProtocolException, IOException {

      HttpClient httpClient = new DefaultHttpClient();

      HttpResponse response = httpClient.execute(request);

          

      HttpEntity entity = response.getEntity();

         String body = EntityUtils.toString(entity);

     

      if (response.getStatusLine().getStatusCode() != 200) {

       throw new RuntimeException("Expected 200 but got " + response.getStatusLine().getStatusCode() + ", with body " + body);

      }

     

         return body;

     }

     

     

}

_{Like Feedback blogger api blogger api for post creation java.lang.RuntimeException}

Sample 2. Write a Program for Graph Breadth First Traversal using Apache Commons MultiMap

import java.util.ArrayList;

import java.util.Collection;

import java.util.HashSet;

import java.util.Map;

import java.util.Set;



import com.google.common.collect.ArrayListMultimap;

import com.google.common.collect.Multimap;



public class Graph {

   private static Multimap<Integer,Integer> adjacentDirectedNodesMap = ArrayListMultimap.create();

   private static Set<Integer> alreadyVisited = new HashSet();

   

   static{

      adjacentDirectedNodesMap.put(1, 2);

      adjacentDirectedNodesMap.put(1, 3);

      adjacentDirectedNodesMap.put(1, 5);

      adjacentDirectedNodesMap.put(2, 4);

      adjacentDirectedNodesMap.put(4, 5);

   }

   

   public static void main(String[] args){

      ArrayList visited = new ArrayList();

      

      Integer startNode = 1;

      

      displayAdjacentNodes(startNode);

      

   }

   

   private static void displayAdjacentNodes(Integer integer){

      System.out.println(integer);

      for(Map.Entry<Integer, Collection<Integer>> adjacentNodes: adjacentDirectedNodesMap.asMap().entrySet()){

         for(Integer integer1:adjacentNodes.getValue()){

            if(alreadyVisited.contains(integer1)){

               continue;

            }

            alreadyVisited.add(integer1);

            System.out.println(integer1);

         }

      }

   }

   

}

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Sample 3. Write a Program for coin changer application. The program should set the cash box with available currency and then should render the exact change. If enough cash is not available , it should present the appropriate message.

import java.util.Map;

import java.util.Map.Entry;

import java.util.TreeMap;





public class CoinChanger {



   enum Currency {

      DOLLAR(1),QUARTER(.25),DIME(.10),NICKEL(.05),PENNY(.01);



      private double currencyValue;



      Currency(double value){

         currencyValue = value;

      }



      double getCurrencyValue(){

         return this.currencyValue;

      }

   }



   private static Map<Currency, Integer> cashBox;

   private static Map<Currency, Integer> change;



   static {

      cashBox = new TreeMap<Currency, Integer>();

      change = new TreeMap<Currency, Integer>();

      initializeCashBox();

   }







   public static void main(String[] args) {

        double amountToReturn = 18.79f; // Set the amount to be changed here



        for(Entry<Currency, Integer> entry:cashBox.entrySet()){

           Currency currency = (Currency)entry.getKey();

           int coinCount = (int)(amountToReturn/(entry.getKey().getCurrencyValue()));

           int availableCurrency = (int)(entry.getValue());



           if(coinCount > availableCurrency){

              coinCount = availableCurrency;

           }



           change.put(currency, coinCount);

           if(coinCount > 0){

              amountToReturn = amountToReturn - (coinCount * entry.getKey().getCurrencyValue());

           }

        }



        System.out.println(change);



        if(amountToReturn > .1){

           System.out.println("Not enough cash");

        }

   }



   private static void initializeCashBox(){

      //set the cash box

      cashBox.put(Currency.DOLLAR, 50);

      cashBox.put(Currency.QUARTER, 0);

      cashBox.put(Currency.DIME, 50);

      cashBox.put(Currency.NICKEL, 50);

      cashBox.put(Currency.PENNY, 50);



   }

}

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Sample 4. Apache Hadoop Map Reduce Example

https://apache.googlesource.com/hadoop-common/+/trunk/hadoop-mapreduce-project/hadoop-mapreduce-examples/src/main/java/org/apache/hadoop/examples/Grep.java

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Sample 5. Make a map readonly using Apache Commons UnmodifiableMap

Map<String,String> map = new HashMap();

map.put("Key1", "Value1");



Map<String,String> unmodifiableMap = UnmodifiableMap.unmodifiableMap(map);

        

unmodifiableMap.put("Key2", "Value2"); // throws java.lang.UnsupportedOperationException

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Sample 6. Code Sample / Example / Snippet of java.util.Map

  public Schema create(SchemaPlus parentSchema, String name,

      Map<String, Object> operand) {

    Map map = (Map) operand;

    String host = (String) map.get("host");

    String database = (String) map.get("database");

    return new MongoSchema(host, database);

  }

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