EmailVerifior.java

package com.smartandroid.sa.verifi;

import java.util.regex.Matcher;
import java.util.regex.Pattern;

import android.content.Context;

public class EmailVerifior extends AbstractVerifior {

	private int mErrorMessage;

	private String mDomainName = "";

	public EmailVerifior(Context c) {
		super(c);
		mErrorMessage = c.getResources().getIdentifier("validator_email",
				"string", c.getPackageName());
	}

	public EmailVerifior(Context c, int errorMessage) {
		super(c);
		mErrorMessage = errorMessage;
	}

	@Override
	public boolean isValid(String charseq) {
		if (charseq.length() > 0) {
			boolean matchFound = false;

			// Input the string for validation
			String email = charseq.toString();

			if (mDomainName != null && mDomainName.length() > 0) {
				// Test avec le domaine

				// Set the email pattern string
				Pattern p = Pattern.compile(".+@" + mDomainName);
				// Match the given string with the pattern
				Matcher m = p.matcher(email);
				// check whether match is found
				matchFound = m.matches();

				if (matchFound)
					return true;
				else
					return false;
			} else {
				// test sans le domaine

				// Set the email pattern string
				Pattern p = Pattern.compile(".+@.+\\.[a-z]+");
				// Match the given string with the pattern
				Matcher m = p.matcher(email);
				// check whether match is found
				matchFound = m.matches();
			}

			if (matchFound)
				return true;
			else
				return false;
		} else {
			return true;
		}
	}

	@Override
	public String getMessage() {
		return mContext.getString(mErrorMessage);
	}

	/**
	 * Lets say that the email address must be valid for such domain. This
	 * function only accepts strings of Regexp
	 * 
	 * @param name
	 *            Regexp Domain Name
	 * 
	 *            example : gmail.com
	 */
	public void setDomainName(String name) {
		mDomainName = name;
	}
}