in src/main/java/org/apache/sling/resourceresolver/impl/helper/URI.java [1967:2166]
protected void parseUriReference(String original, boolean escaped) throws URIException {
// validate and contruct the URI character sequence
if (original == null) {
throw new URIException("URI-Reference required");
}
/*
* @ ^(([^:/?#]+):)?(//([^/?#]*))?([^?#]*)(\?([^#]*))?(#(.*))?
*/
String tmp = original.trim();
/*
* The length of the string sequence of characters. It may not be equal
* to the length of the byte array.
*/
int length = tmp.length();
/*
* Remove the delimiters like angle brackets around an URI.
*/
boolean delim = false;
if (length > 0) {
char[] firstDelimiter = {tmp.charAt(0)};
if (validate(firstDelimiter, delims)) {
if (length >= 2) {
char[] lastDelimiter = {tmp.charAt(length - 1)};
if (validate(lastDelimiter, delims)) {
delim = true;
}
}
}
}
if (delim) {
tmp = tmp.substring(1, length - 1);
length = length - 2;
} else {
tmp = original;
length = original.length();
int idx = 0;
while (idx < length && tmp.charAt(idx) <= ' ') {
idx++;
}
if (idx > 0) {
if (idx < length) {
tmp = tmp.substring(idx);
length -= idx;
} else {
tmp = "";
length = 0;
}
}
}
/*
* The starting index
*/
int from = 0;
/*
* The test flag whether the URI is started from the path component.
*/
boolean isStartedFromPath = false;
int atColon = tmp.indexOf(':');
int atSlash = tmp.indexOf('/');
if ((atColon <= 0 && !tmp.startsWith("//")) || (atSlash >= 0 && atSlash < atColon)) {
isStartedFromPath = true;
}
/*
* <blockquote><pre>
* @@@@@@@@ ^(([^:/?#]+):)?(//([^/?#]*))?([^?#]*)(\?([^#]*))?(#(.*))?
* </pre></blockquote>
*/
int at = indexFirstOf(tmp, isStartedFromPath ? "/?#" : ":/?#", from);
if (at == -1) {
at = 0;
}
/*
* Parse the scheme. <blockquote><pre> scheme = $2 = http
* @ ^(([^:/?#]+):)?(//([^/?#]*))?([^?#]*)(\?([^#]*))?(#(.*))?
* </pre></blockquote>
*/
if (at > 0 && at < length && tmp.charAt(at) == ':') {
char[] target = tmp.substring(0, at).toLowerCase().toCharArray();
if (validate(target, scheme)) {
_scheme = target;
} else {
throw new URIException("incorrect scheme");
}
from = ++at;
}
/*
* Parse the authority component. <blockquote><pre> authority = $4 =
* jakarta.apache.org
* @@ ^(([^:/?#]+):)?(//([^/?#]*))?([^?#]*)(\?([^#]*))?(#(.*))?
* </pre></blockquote>
*/
// Reset flags
_is_net_path = _is_abs_path = _is_rel_path = _is_hier_part = false;
if (0 <= at && at < length && tmp.charAt(at) == '/') {
// Set flag
_is_hier_part = true;
if (at + 2 < length && tmp.charAt(at + 1) == '/' && !isStartedFromPath) {
// the temporary index to start the search from
int next = indexFirstOf(tmp, "/?#", at + 2);
if (next == -1) {
next = (tmp.substring(at + 2).length() == 0) ? at + 2 : tmp.length();
}
parseAuthority(tmp.substring(at + 2, next), escaped);
from = at = next;
// Set flag
_is_net_path = true;
}
if (from == at) {
// Set flag
_is_abs_path = true;
}
}
/*
* Parse the path component. <blockquote><pre> path = $5 = /ietf/uri/
* @@@@@@ ^(([^:/?#]+):)?(//([^/?#]*))?([^?#]*)(\?([^#]*))?(#(.*))?
* </pre></blockquote>
*/
if (from < length) {
// rel_path = rel_segment [ abs_path ]
int next = indexFirstOf(tmp, "?#", from);
if (next == -1) {
next = tmp.length();
}
if (!_is_abs_path) {
if (!escaped && prevalidate(tmp.substring(from, next), disallowed_rel_path)
|| escaped && validate(tmp.substring(from, next).toCharArray(), rel_path)) {
// Set flag
_is_rel_path = true;
} else if (!escaped && prevalidate(tmp.substring(from, next), disallowed_opaque_part)
|| escaped && validate(tmp.substring(from, next).toCharArray(), opaque_part)) {
// Set flag
_is_opaque_part = true;
} else {
// the path component may be empty
_path = null;
}
}
String s = tmp.substring(from, next);
if (escaped) {
setRawPath(s.toCharArray());
} else {
setPath(s);
}
at = next;
}
// set the charset to do escape encoding
String charset = getProtocolCharset();
/*
* Parse the query component. <blockquote><pre> query = $7 =
* <undefined>
* @@@@@@@@@ ^(([^:/?#]+):)?(//([^/?#]*))?([^?#]*)(\?([^#]*))?(#(.*))?
* </pre></blockquote>
*/
if (0 <= at && at + 1 < length && tmp.charAt(at) == '?') {
int next = tmp.indexOf('#', at + 1);
if (next == -1) {
next = tmp.length();
}
if (escaped) {
_query = tmp.substring(at + 1, next).toCharArray();
if (!validate(_query, uric)) {
throw new URIException("Invalid query");
}
} else {
_query = encode(tmp.substring(at + 1, next), allowed_query, charset);
}
at = next;
}
/*
* Parse the fragment component. <blockquote><pre> fragment = $9 =
* Related
* @@@@@@@@ ^(([^:/?#]+):)?(//([^/?#]*))?([^?#]*)(\?([^#]*))?(#(.*))?
* </pre></blockquote>
*/
if (0 <= at && at + 1 <= length && tmp.charAt(at) == '#') {
if (at + 1 == length) { // empty fragment
_fragment = "".toCharArray();
} else {
_fragment = (escaped)
? tmp.substring(at + 1).toCharArray()
: encode(tmp.substring(at + 1), allowed_fragment, charset);
}
}
// set this URI.
setURI();
}