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package com.juick.server.util;
import java.util.regex.Pattern;
/**
* Created by aalexeev on 11/28/16.
*/
public class WebUtils {
private WebUtils() {
throw new IllegalStateException();
}
private static final Pattern USER_NAME_PATTERN = Pattern.compile("[a-zA-Z-_\\d]{2,16}");
private static final Pattern POST_NUMBER_PATTERN = Pattern.compile("-?\\d+");
private static final Pattern JID_PATTERN = Pattern.compile("^[a-zA-Z0-9\\\\-\\\\_\\\\@\\\\.]{6,64}$");
public static boolean isPostNumber(final String aString) {
return aString != null && POST_NUMBER_PATTERN.matcher(aString).matches();
}
public static boolean isNotPostNumber(final String aString) {
return !isPostNumber(aString);
}
public static boolean isUserName(final String aString) {
return aString != null && USER_NAME_PATTERN.matcher(aString).matches();
}
public static boolean isNotUserName(final String aString) {
return !isUserName(aString);
}
public static boolean isJid(final String aString) {
return aString != null && JID_PATTERN.matcher(aString).matches();
}
public static boolean isNotJid(final String aString) {
return !isJid(aString);
}
}
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