Example usage for com.google.common.base CharMatcher apply

Introduction

In this page you can find the example usage for com.google.common.base CharMatcher apply.

Prototype

@Deprecated
@Override
public boolean apply(Character character) 

Source Link

Usage

From source file:com.google.security.zynamics.zylib.general.Convert.java

/**
 * Tests whether a given string is a valid decimal string.
 * //from   ww  w  . j  a v  a2s.  co m
 * @param string The string to check.
 * 
 * @return True, if the string is a valid decimal string. False, otherwise.
 */
public static boolean isDecString(final String string) {
    Preconditions.checkNotNull(string);

    final CharMatcher cm = CharMatcher.inRange('0', '9');
    for (int i = 0; i < string.length(); i++) {
        if (!cm.apply(string.charAt(i))) {
            return false;
        }
    }
    return string.length() != 0;
}

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From source file:com.google.security.zynamics.zylib.general.Convert.java

/**
 * Tests whether a given string is a valid hexadecimal string.
 * /*from   www. j a v a2  s . com*/
 * @param string The string to check.
 * 
 * @return True, if the string is a valid hexadecimal string. False, otherwise.
 */
public static boolean isHexString(final String string) {
    Preconditions.checkNotNull(string, "Error: String argument can't be null");

    final CharMatcher cm = CharMatcher.inRange('0', '9').or(CharMatcher.inRange('a', 'z'))
            .or(CharMatcher.inRange('A', 'F'));
    for (int i = 0; i < string.length(); i++) {
        if (!cm.apply(string.charAt(i))) {
            return false;
        }
    }

    return string.length() != 0;
}

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