/**
* Returns the clear text representation of a given URL using HTTP format.
*
* @param url
* the URL object to be converted.
* @return the clear text representation of the specified URL.
* @see #parseURL
* @see URL#toExternalForm()
*/
protected internal String toExternalForm(URL url)
{
java.lang.StringBuilder answer = new java.lang.StringBuilder();
answer.append(url.getProtocol());
answer.append(':');
String authority = url.getAuthority();
if (authority != null && authority.length() > 0)
{
answer.append("//"); //$NON-NLS-1$
answer.append(url.getAuthority());
}
String file = url.getFile();
String refJ = url.getRef();
if (file != null)
{
answer.append(file);
}
if (refJ != null)
{
answer.append('#');
answer.append(refJ);
}
return(answer.toString());
}
/**
* Compares two URL objects whether they represent the same URL. Two URLs
* are equal if they have the same file, host, port, protocol, query, and
* reference components.
*
* @param url1
* the first URL to compare.
* @param url2
* the second URL to compare.
* @return {@code true} if the URLs are the same, {@code false} otherwise.
* @see #hashCode
*/
protected bool equals(URL url1, URL url2)
{
if (!sameFile(url1, url2))
{
return(false);
}
String s1 = url1.getRef(), s2 = url2.getRef();
if (s1 != s2 && (s1 == null || !s1.equals(s2)))
{
return(false);
}
s1 = url1.getQuery();
s2 = url2.getQuery();
return(s1 == s2 || (s1 != null && s1.equals(s2)));
}
/**
* 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);
}
/**
* 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 e) {
// 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);
}
/**
* Compares two URL objects whether they represent the same URL. Two URLs
* are equal if they have the same file, host, port, protocol, query, and
* reference components.
*
* @param url1
* the first URL to compare.
* @param url2
* the second URL to compare.
* @return {@code true} if the URLs are the same, {@code false} otherwise.
* @see #hashCode
*/
protected bool equals(URL url1, URL url2)
{
if (!sameFile(url1, url2))
{
return false;
}
String s1 = url1.getRef(), s2 = url2.getRef();
if (s1 != s2 && (s1 == null || !s1.equals(s2)))
{
return false;
}
s1 = url1.getQuery();
s2 = url2.getQuery();
return s1 == s2 || (s1 != null && s1.equals(s2));
}
/**
* Returns the clear text representation of a given URL using HTTP format.
*
* @param url
* the URL object to be converted.
* @return the clear text representation of the specified URL.
* @see #parseURL
* @see URL#toExternalForm()
*/
protected internal String toExternalForm(URL url)
{
java.lang.StringBuilder answer = new java.lang.StringBuilder();
answer.append(url.getProtocol());
answer.append(':');
String authority = url.getAuthority();
if (authority != null && authority.length() > 0)
{
answer.append("//"); //$NON-NLS-1$
answer.append(url.getAuthority());
}
String file = url.getFile();
String refJ = url.getRef();
if (file != null)
{
answer.append(file);
}
if (refJ != null)
{
answer.append('#');
answer.append(refJ);
}
return answer.toString();
}
