Android Open Source - wiki-contacts-android Validation Service Impl

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Back to project page wiki-contacts-android.

License

The source code is released under:

Apache License

Java Source Code

package com.kahkong.wikicontacts.service;
// w w  w .j a  v  a  2 s  . co  m
/**
 * 
 * @author Poh Kah Kong
 *
 */
public class ValidationServiceImpl implements ValidationService {
  private static ValidationService instance;  
  
  private static final String EMAIL_PATTERN = "^([a-z0-9_\\.-]+)@([\\da-z\\.-]+)\\.([a-z\\.]{2,6})$";  
  private static final String URL_PATTERN = "^(https?:\\/\\/)?([\\da-z\\.-]+)\\.([a-z\\.]{2,6})([\\/\\w \\.-]*)*\\/?$";
  
  private ValidationServiceImpl() {  
  }

  public synchronized static ValidationService getInstance() {
    if (instance==null) {
      instance = new ValidationServiceImpl();
    }
    return instance;
  }
  
  public boolean isRequired(String text) {
    return !text.equals("") ? true:false;
  }
  
  public boolean isOrRequired(String[] texts) {
    if (texts==null) {
      return false;
    }    
    for (int i=0; i<texts.length; i++) {
      if (!texts[i].equals("")) {
        return true;
      }
    }
    return false;
  }
  
  public boolean isValidEmail(String text) {
    return validate(text, EMAIL_PATTERN);
  }
  
  public boolean isValidUrl(String text) {
    return validate(text, URL_PATTERN);
  }

  
  private boolean validate(String text, String pattern) {
    if (text.equals("")) {
      return true;
    }
    return text.matches(pattern);
  }
}

Java Source Code List

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