package com.heaton.bot.catbot;import java.io.*;import java.util.*;import com.heaton.bot.*;/** * This recognizer is called to handle a page that * contains a large list of countries. The country * that was specified in the CatBot class will be * located and used. * * @author Jeff Heaton */public class RecognizeCountry extends Recognize{  /**   * The targeted form, if recognized.   */  protected HTMLForm _targetForm = null;  /**   * The target form component, if recognized.   */  protected HTMLForm.FormElement _targetElement = null;  /**   * The constructor. Passes the controller to the   * parent constructor.   *   * @param controller The CatBot controller object.   */  public RecognizeCountry(CatBot controller)  {    super(controller);  }  /**   * Used to indicate if this recognizer has   * already recognized the country specified.   *   * @return Returns true if the country has been recognized.   */  public boolean isRecognized()  {    return(_targetForm!=null);  }  /**   * Returns true if the specified page can   * be recognized to be a country page.   *   * @param page The page to look at.   * @return Returns true if the page is recognized.   */  public boolean isRecognizable(HTMLPage page)  {    if(page.getForms()==null)      return false;    Vector forms = page.getForms();    for (Enumeration e = forms.elements() ; e.hasMoreElements() ;)    {      HTMLForm form = (HTMLForm)e.nextElement();      HTMLForm.FormElement element = has(form,"select");      if(element!=null)      {        // look for a few known countries. USA is a bad example        // is it USA? United States? America?        // United States of America. We will use a few common ones        // that do not have many name combinations:        // Canada, France, Japan, Egypt.        if( (findOption(element.getOptions(),"france")!=null ) ||         (findOption(element.getOptions(),"canada")!=null ) ||         (findOption(element.getOptions(),"japan")!=null ) ||         (findOption(element.getOptions(),"egypt")!=null ) )        {          _targetForm = form;          _targetElement = element;          Log.log(Log.LOG_LEVEL_NORMAL,"Recognized a country page");          return true;        }      }     }    return false;  }  /**   * The internalPerform method will transmit   * our country choice back to the Web server.   *   * @param page The page to look at.   * @return True if successful.   * @exception java.io.IOException   */  protected boolean internalPerform(HTMLPage page)    throws java.io.IOException  {    if(_targetForm==null)      return false;    String code = findOption(      _targetElement.getOptions(),      _controller.getCountry());    _targetForm.set(_targetElement.getName(),code);    page.post(_targetForm);    return true;  }}