/**
*
* The MIT License
*
* Copyright (c) 2011 the original author or authors.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package com.googlecode.charts4j.parameters;
import java.io.UnsupportedEncodingException;
import java.net.URLEncoder;
/**
* A utility class for URL parameters.
*
* @author Julien Chastang (julien.c.chastang at gmail dot com)
*/
final class ParameterUtil {
/** UTF-8 encoding. **/
private static final String UTF_8 = "UTF-8";
/**
* Cannot instantiate.
*/
private ParameterUtil() {
throw new AssertionError();
}
/**
* UTF-8 encode the string.
*
* @param s
* String to be encoded.
*
* @return the encoded string
*/
static String utf8Encode(final String s) {
if (s == null) {
return null;
}
try {
return URLEncoder.encode(s, UTF_8);
} catch (UnsupportedEncodingException e) {
return s;
}
}
}