io.github.microcks.util.Sanitizer Maven / Gradle / Ivy
/*
* Copyright The Microcks Authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package io.github.microcks.util;
import java.util.Set;
import java.util.stream.Collectors;
/**
* Utility class for sanitizing strings to be used in a URL.
*/
public class Sanitizer {
private static final String ALLOWED_CHARS = "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ$-_.+!*'(),";
private static final Set ALLOWED_CHARS_SET = ALLOWED_CHARS.chars().mapToObj(c -> (char) c)
.collect(Collectors.toSet());
private static final Character REPLACE_CHAR = '-';
private Sanitizer() {
// Hide the implicit constructor as it's a utility class.
}
/**
* Sanitize a string to be used in a URL. It replaces all characters that are not in the set of allowed characters by
* a dash.
* @param string the string to sanitize
* @return the sanitized string
*/
public static String urlSanitize(String string) {
StringBuilder sanitized = new StringBuilder();
for (char c : string.toCharArray()) {
sanitized.append(ALLOWED_CHARS_SET.contains(c) ? c : REPLACE_CHAR);
}
return sanitized.toString();
}
}