package de.fhdw.wtf.persistence.utils;
   
   import java.sql.CallableStatement;
   import java.sql.SQLException;
   
   import de.fhdw.wtf.persistence.exception.NotValidInputException;
   import de.fhdw.wtf.persistence.meta.Object;
   import de.fhdw.wtf.persistence.meta.StringValue;
   
  /**
   * Wrapper for a String for a Database-Query.
   */
  public class DBConnectionStringHandler implements DBConnectionObjectHandler {
  	
  	private final String string;
  	
  	@Override
  	public String getObjectTypeString() {
  		return "Str";
  	}
  	
  	@Override
  	public void handleCall(final CallableStatement call, final int parameterIndex) throws SQLException {
  		call.setString(parameterIndex, this.string);
  	}
  	
  	@Override
  	public Object getObject() {
  		return new StringValue(this.string);
  	}
  	
  	/**
  	 * creates a wrapper for a string for a database connection.
  	 * 
  	 * @param string
  	 *            the wrapped string
  	 * @throws NotValidInputException
  	 *             throws when the given string is null
  	 */
  	public DBConnectionStringHandler(final String string) throws NotValidInputException {
  		super();
  		
  		if (string == null) {
  			throw new NotValidInputException("string");
  		}
  		
  		this.string = string;
  	}
  }