CouchDB Java Connection

CouchDB connection

1. Log into  Apiqcloud
2. Create an environment with CouchDB database:
3. Check your email box for getting credentials to access CouchDB node:
                            
                                      
 
4. Then create a file mydb.cfg in Config Manager (folder HOME). This file contains information on connecting to CouchDB. This info will be read by your application:
 
      
 
5. In this step, you have to prepare part of java code that creates a connection to your DB
 
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import com.fourspaces.couchdb.*;
import java.io.FileInputStream;
import java.io.IOException;
import java.util.Properties;
import java.util.logging.Level;
import java.util.logging.Logger;
 
public class CouchdbConnector {
 
    public boolean createDatabase(String name) {
        try {
            //Read file mydb.cfg
            Properties prop = new Properties();
            prop.load(new FileInputStream(System.getProperty("user.home") + "/mydb.cfg"));
             
            //Getting info we need: host, port, username, password
            String host = prop.getProperty("host").toString();
            int port = Integer.parseInt(prop.getProperty("port").toString());          
            String username = prop.getProperty("username").toString();
            String password = prop.getProperty("password").toString();
             
            Session dbSession = new Session(host, port, username, password);
          
            dbSession.createDatabase(name);
 
            try {
                dbSession.getDatabase(name);
            } catch (Exception e) {
                return false;
            }           
        } catch (IOException ex) {
            Logger.getLogger(CouchdbConnector.class.getName()).log(Level.SEVERE, null, ex);
        }
         
        return true;
    }  
}
 
NOTE: you have to upload all libraries that CouchDB connection needs! 
6. Deploy application: CouchDB.war 

7. Run deployed application and input database name you want to create:

  
Input database name:
                                               
8. Check CouchDB server if it contains a "new" database:
 - run CouchDB instance in a browser;

 
- input credentials that you got on e-mail;
     
                                                                           
                                                                  
- check database presence.
                            
  • CouchDB Java Connection
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