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/*
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*
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*
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* and Distribution License("CDDL") (collectively, the "License"). You
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*/
package org.glassfish.jersey.server.internal;
/**
* Utility methods used by container implementations.
*
* @author Adam Lindenthal (adam.lindenthal at oracle.com)
*/
public class ContainerUtils {
private static final String[] TOKENS = {
"{", "}", "\\", "^", "|", "`"
};
private static final String[] REPLACEMENTS = {
"%7B", "%7D", "%5C", "%5E", "%7C", "%60"
};
/**
* Encodes (predefined subset of) unsafe/unwise URI characters with the percent-encoding.
*
* Replaces the predefined set of unsafe URI characters in the query string with its percent-encoded
* counterparts. The reserved characters (as defined by the RFC) are automatically encoded by browsers, but some
* characters are in the "gray zone" - are not explicitly forbidden, but not recommended and known to cause
* issues.
*
* @param originalQueryString URI query string (the part behind the question mark character).
* @return the same string with unsafe characters percent encoded.
*/
public static String encodeUnsafeCharacters(final String originalQueryString) {
if (originalQueryString == null) {
return null;
}
String result = originalQueryString;
for (int i = 0; i < TOKENS.length; i++) {
if (originalQueryString.contains(TOKENS[i])) {
result = result.replace(TOKENS[i], REPLACEMENTS[i]);
}
}
return result;
}
/**
* Reduces the number of slashes before the path to only one slash.
*
* @param path path string
* @return path string with reduced slashes to only one.
*/
public static String reduceLeadingSlashes(final String path) {
int length;
if (path == null || (length = path.length()) == 0) {
return path;
}
int start = 0;
while (start != length && "/".indexOf(path.charAt(start)) != -1) {
start++;
}
return path.substring(start > 0 ? start - 1 : 0);
}
/**
* Splits URI address from query params and returns it.
*
* @param uri URI address in string format with query params
* @return URI address in string format without query params
*/
public static String getHandlerPath(String uri) {
if (uri == null || uri.length() == 0 || !uri.contains("?")) {
return uri;
} else {
return uri.substring(0, uri.indexOf("?"));
}
}
}