/**
* Parses the clear text URL in {@code str} into a URL object. URL strings
* generally have the following format:
* <p/>
* http://www.company.com/java/file1.java#reference
* <p/>
* The string is parsed in HTTP format. If the protocol has a different URL
* format this method must be overridden.
*
* @param u
* the URL to fill in the parsed clear text URL parts.
* @param str
* the URL string that is to be parsed.
* @param start
* the string position from where to begin parsing.
* @param end
* the string position to stop parsing.
* @see #toExternalForm
* @see URL
*/
protected internal void parseURL(URL u, String str, int start, int end)
{
if (end < start || end < 0)
{
// Checks to ensure string index exception ahead of
// security exception for compatibility.
if (end <= java.lang.Integer.MIN_VALUE + 1 && (start >= str.length() || start < 0) ||
str.startsWith("//", start) && str.indexOf('/', start + 2) == -1) //$NON-NLS-1$
{
throw new java.lang.StringIndexOutOfBoundsException(end);
}
if (this != u.strmHandler)
{
throw new java.lang.SecurityException();
}
return;
}
String parseString = str.substring(start, end);
end -= start;
int fileIdx = 0;
// Default is to use info from context
String host = u.getHost();
int port = u.getPort();
String refJ = u.getRef();
String file = u.getPath();
String query = u.getQuery();
String authority = u.getAuthority();
String userInfo = u.getUserInfo();
int refIdx = parseString.indexOf('#', 0);
if (parseString.startsWith("//") && !parseString.startsWith("////")) //$NON-NLS-1$
{
int hostIdx = 2, portIdx = -1;
port = -1;
fileIdx = parseString.indexOf('/', hostIdx);
int questionMarkIndex = parseString.indexOf('?', hostIdx);
if ((questionMarkIndex != -1) &&
((fileIdx == -1) || (fileIdx > questionMarkIndex)))
{
fileIdx = questionMarkIndex;
}
if (fileIdx == -1)
{
fileIdx = end;
// Use default
file = ""; //$NON-NLS-1$
}
int hostEnd = fileIdx;
if (refIdx != -1 && refIdx < fileIdx)
{
hostEnd = refIdx;
}
int userIdx = parseString.lastIndexOf('@', hostEnd);
authority = parseString.substring(hostIdx, hostEnd);
if (userIdx > -1)
{
userInfo = parseString.substring(hostIdx, userIdx);
hostIdx = userIdx + 1;
}
portIdx = parseString.indexOf(':', userIdx == -1 ? hostIdx
: userIdx);
int endOfIPv6Addr = parseString.indexOf(']');
// if there are square braces, ie. IPv6 address, use last ':'
if (endOfIPv6Addr != -1)
{
try {
if (parseString.length() > endOfIPv6Addr + 1)
{
char c = parseString.charAt(endOfIPv6Addr + 1);
if (c == ':')
{
portIdx = endOfIPv6Addr + 1;
}
else
{
portIdx = -1;
}
}
else
{
portIdx = -1;
}
} catch (Exception) {
// Ignored
}
}
if (portIdx == -1 || portIdx > fileIdx)
{
host = parseString.substring(hostIdx, hostEnd);
}
else
{
host = parseString.substring(hostIdx, portIdx);
String portString = parseString.substring(portIdx + 1, hostEnd);
if (portString.length() == 0)
{
port = -1;
}
else
{
port = java.lang.Integer.parseInt(portString);
}
}
}
if (refIdx > -1)
{
refJ = parseString.substring(refIdx + 1, end);
}
int fileEnd = (refIdx == -1 ? end : refIdx);
int queryIdx = parseString.lastIndexOf('?', fileEnd);
bool canonicalize = false;
if (queryIdx > -1)
{
query = parseString.substring(queryIdx + 1, fileEnd);
if (queryIdx == 0 && file != null)
{
if (file.equals("")) //$NON-NLS-1$
{
file = "/"; //$NON-NLS-1$
}
else if (file.startsWith("/")) //$NON-NLS-1$
{
canonicalize = true;
}
int last = file.lastIndexOf('/') + 1;
file = file.substring(0, last);
}
fileEnd = queryIdx;
}
else
// Don't inherit query unless only the ref is changed
if (refIdx != 0)
{
query = null;
}
if (fileIdx > -1)
{
if (fileIdx < end && parseString.charAt(fileIdx) == '/')
{
file = parseString.substring(fileIdx, fileEnd);
}
else if (fileEnd > fileIdx)
{
if (file == null)
{
file = ""; //$NON-NLS-1$
}
else if (file.equals("")) //$NON-NLS-1$
{
file = "/"; //$NON-NLS-1$
}
else if (file.startsWith("/")) //$NON-NLS-1$
{
canonicalize = true;
}
int last = file.lastIndexOf('/') + 1;
if (last == 0)
{
file = parseString.substring(fileIdx, fileEnd);
}
else
{
file = file.substring(0, last)
+ parseString.substring(fileIdx, fileEnd);
}
}
}
if (file == null)
{
file = ""; //$NON-NLS-1$
}
if (host == null)
{
host = ""; //$NON-NLS-1$
}
if (canonicalize)
{
// modify file if there's any relative referencing
file = URLUtil.canonicalizePath(file);
}
setURL(u, u.getProtocol(), host, port, authority, userInfo, file,
query, refJ);
}