/** Check if an URL is relative to another URL. */
public static boolean relativeURL(URL url1, URL url2) {
return ((url1.getProtocol() == null && url2.getProtocol() == null)
|| url1.getProtocol().equals(url2.getProtocol()))
&& ((url1.getAuthority() == null && url2.getAuthority() == null)
|| url1.getAuthority().equals(url2.getAuthority()))
&& ((url1.getPath() == null && url2.getPath() == null)
|| url2.getPath().startsWith(url1.getPath()));
}
/**
* Parse a repository document.
*
* @param url
* @throws IOException
* @throws XmlPullParserException
* @throws Exception
*/
void parseDocument(URL url) throws IOException, XmlPullParserException, Exception {
if (!visited.contains(url)) {
visited.add(url);
try {
System.out.println("Visiting: " + url);
InputStream in = null;
if (url.getPath().endsWith(".zip")) {
ZipInputStream zin = new ZipInputStream(url.openStream());
ZipEntry entry = zin.getNextEntry();
while (entry != null) {
if (entry.getName().equals("repository.xml")) {
in = zin;
break;
}
entry = zin.getNextEntry();
}
} else {
in = url.openStream();
}
Reader reader = new InputStreamReader(in);
XmlPullParser parser = new KXmlParser();
parser.setInput(reader);
parseRepository(parser);
} catch (MalformedURLException e) {
System.out.println("Cannot create connection to url");
}
}
}
/**
* Gets the absolute path.
*
* @return the absolute path
*/
public String getAbsolutePath() {
if (getFile() != null) {
try {
return XML.forwardSlash(getFile().getCanonicalPath());
} catch (IOException ex) {
ex.printStackTrace();
}
return getFile().getAbsolutePath();
}
if (getURL() != null) {
URL url = getURL();
String path = url.getPath();
// remove file protocol, if any
if (path.startsWith("file:")) { // $NON-NLS-1$
path = path.substring(5);
}
// remove leading slash if drive is specified
if (path.startsWith("/") && path.indexOf(":") > -1) { // $NON-NLS-1$ //$NON-NLS-2$
path = path.substring(1);
}
// replace "%20" with space
int i = path.indexOf("%20"); // $NON-NLS-1$
while (i > -1) {
String s = path.substring(0, i);
path = s + " " + path.substring(i + 3); // $NON-NLS-1$
i = path.indexOf("%20"); // $NON-NLS-1$
}
return path;
}
return null;
}
public Set<String> listResources(String subdir) {
try {
Set<String> result = new HashSet<String>();
if (resourceURL != null) {
String protocol = resourceURL.getProtocol();
if (protocol.equals("jar")) {
String resPath = resourceURL.getPath();
int pling = resPath.lastIndexOf("!");
URL jarURL = new URL(resPath.substring(0, pling));
String resDirInJar = resPath.substring(pling + 2);
String prefix = resDirInJar + subdir + "/";
// System.out.printf("BaseMod.listResources: looking for names starting with %s\n",
// prefix);
JarFile jar = new JarFile(new File(jarURL.toURI()));
Enumeration<JarEntry> entries = jar.entries();
while (entries.hasMoreElements()) {
String name = entries.nextElement().getName();
if (name.startsWith(prefix) && !name.endsWith("/") && !name.contains("/.")) {
// System.out.printf("BaseMod.listResources: name = %s\n", name);
result.add(name.substring(prefix.length()));
}
}
} else throw new RuntimeException("Resource URL protocol " + protocol + " not supported");
}
return result;
} catch (Exception e) {
throw new RuntimeException(e);
}
}
/**
* mapUrlToFileLocation() is the method used to resolve urls into file names. This maps a given
* url to a file location, using the au top directory as the base. It creates directories which
* mirror the html string, so 'http://www.journal.org/issue1/index.html' would be cached in the
* file: <rootLocation>/www.journal.org/http/issue1/index.html
*
* @param rootLocation the top directory for ArchivalUnit this URL is in
* @param urlStr the url to translate
* @return the url file location
* @throws java.net.MalformedURLException
*/
public static String mapUrlToFileLocation(String rootLocation, String urlStr)
throws MalformedURLException {
int totalLength = rootLocation.length() + urlStr.length();
URL url = new URL(urlStr);
StringBuilder buffer = new StringBuilder(totalLength);
buffer.append(rootLocation);
if (!rootLocation.endsWith(File.separator)) {
buffer.append(File.separator);
}
buffer.append(url.getHost().toLowerCase());
int port = url.getPort();
if (port != -1) {
buffer.append(PORT_SEPARATOR);
buffer.append(port);
}
buffer.append(File.separator);
buffer.append(url.getProtocol());
if (RepositoryManager.isEnableLongComponents()) {
String escapedPath =
escapePath(
StringUtil.replaceString(url.getPath(), UrlUtil.URL_PATH_SEPARATOR, File.separator));
String query = url.getQuery();
if (query != null) {
escapedPath = escapedPath + "?" + escapeQuery(query);
}
String encodedPath = RepositoryNodeImpl.encodeUrl(escapedPath);
// encodeUrl strips leading / from path
buffer.append(File.separator);
buffer.append(encodedPath);
} else {
buffer.append(
escapePath(
StringUtil.replaceString(url.getPath(), UrlUtil.URL_PATH_SEPARATOR, File.separator)));
String query = url.getQuery();
if (query != null) {
buffer.append("?");
buffer.append(escapeQuery(query));
}
}
return buffer.toString();
}
public static void main(String[] args) throws IOException {
URL url = new URL("http://www.javajeff.com/articles/articles/html");
System.out.println("Authority = " + url.getAuthority());
System.out.println("Default port = " + url.getDefaultPort());
System.out.println("File = " + url.getFile());
System.out.println("Host = " + url.getHost());
System.out.println("Path = " + url.getPath());
System.out.println("Port = " + url.getPort());
System.out.println("Protocol = " + url.getProtocol());
System.out.println("Query = " + url.getQuery());
System.out.println("Ref = " + url.getRef());
System.out.println("User Info = " + url.getUserInfo());
}
public static final File fileHandle(Value o) {
String encoding = "UTF-8"; // always supported
try {
URL u = url(o);
if (!"file".equals(u.getProtocol()))
Procedure.throwPrimException(liMessage(IO.IOB, "notafileurl"));
String path = URLDecoder.decode(u.getPath(), encoding);
return new File(path);
} catch (UnsupportedEncodingException use) {
Procedure.throwPrimException(liMessage(IO.IOB, "unsupencoding", encoding));
return null; // not reached
}
}
/**
* Resolve IGFS profiler logs directory.
*
* @param igfs IGFS instance to resolve logs dir for.
* @return {@link Path} to log dir or {@code null} if not found.
* @throws IgniteCheckedException if failed to resolve.
*/
public static Path resolveIgfsProfilerLogsDir(IgniteFileSystem igfs)
throws IgniteCheckedException {
String logsDir;
if (igfs instanceof IgfsEx) logsDir = ((IgfsEx) igfs).clientLogDirectory();
else if (igfs == null)
throw new IgniteCheckedException(
"Failed to get profiler log folder (IGFS instance not found)");
else
throw new IgniteCheckedException(
"Failed to get profiler log folder (unexpected IGFS instance type)");
URL logsDirUrl = U.resolveIgniteUrl(logsDir != null ? logsDir : DFLT_IGFS_LOG_DIR);
return logsDirUrl != null ? new File(logsDirUrl.getPath()).toPath() : null;
}
void assertContents(String path, String pattern, boolean recurse, String member, boolean mustfind)
throws IOException {
Context context = new Context(null, getClass().getClassLoader(), 1, "src/test/osgi.jar");
Enumeration e = context.findEntries(path, "*.class", recurse);
boolean found = false;
while (e.hasMoreElements()) {
URL url = (URL) e.nextElement();
if (url.getPath().endsWith(member)) {
found = true;
break;
}
}
if (found == mustfind) return;
if (mustfind) fail("No such member: " + member + " in " + pattern);
else fail("Unexpected member: " + member + " in " + pattern);
}
/**
* Creates an instance bound to url. If <code>acceptDeflate</code> is true then HTTP Request
* headers will indicate to servers that this client can accept compressed documents.
*
* @param urlString Connect to this URL.
* @param acceptCompress true if this client will accept compressed responses
* @throws FileNotFoundException thrown if <code>urlString</code> is not a valid URL, or a
* filename which exists on the system.
*/
public DConnect2(String urlString, boolean acceptCompress) throws FileNotFoundException {
int ceIndex = urlString.indexOf('?');
if (ceIndex != -1) {
this.urlString = urlString.substring(0, ceIndex);
String expr = urlString.substring(ceIndex);
int selIndex = expr.indexOf('&');
if (selIndex != -1) {
this.projString = expr.substring(0, selIndex);
this.selString = expr.substring(selIndex);
} else {
this.projString = expr;
this.selString = "";
}
} else {
this.urlString = urlString;
this.projString = this.selString = "";
}
this.acceptCompress = acceptCompress;
// capture encoded url
this.urlStringEncoded = EscapeStrings.escapeURL(this.urlString);
// Check out the URL to see if it is file://
try {
URL testURL = new URL(urlString);
if ("file".equals(testURL.getProtocol())) {
filePath = testURL.getPath();
// See if .dds and .dods files exist
File f = new File(filePath + ".dds");
if (!f.canRead()) {
throw new FileNotFoundException("file not readable: " + urlString + ".dds");
}
f = new File(filePath + ".dods");
if (!f.canRead()) {
throw new FileNotFoundException("file not readable: " + urlString + ".dods");
}
}
/* Set the server version cause we won't get it from anywhere */
ver = new ServerVersion(ServerVersion.DAP2_PROTOCOL_VERSION, ServerVersion.XDAP);
} catch (DAP2Exception ex) {
throw new FileNotFoundException("Cannot set server version");
} catch (MalformedURLException e) {
throw new FileNotFoundException("Malformed URL: " + urlString);
}
}
/**
* Decides if the given source is newer than a class.
*
* @param source the source we may want to compile
* @param cls the former class
* @return true if the source is newer, false else
* @throws IOException if it is not possible to open an connection for the given source
* @see #getTimeStamp(Class)
*/
protected boolean isSourceNewer(URL source, Class cls) throws IOException {
long lastMod;
// Special handling for file:// protocol, as getLastModified() often reports
// incorrect results (-1)
if (isFile(source)) {
// Coerce the file URL to a File
// See ClassNodeResolver.isSourceNewer for another method that replaces '|' with ':'.
// WTF: Why is this done and where is it documented?
String path = source.getPath().replace('/', File.separatorChar).replace('|', ':');
File file = new File(path);
lastMod = file.lastModified();
} else {
URLConnection conn = source.openConnection();
lastMod = conn.getLastModified();
conn.getInputStream().close();
}
long classTime = getTimeStamp(cls);
return classTime + config.getMinimumRecompilationInterval() < lastMod;
}
public static URL adjustURLForHosting(URL url_in) {
if (isHosting(url_in)) {
String url = url_in.getProtocol() + "://";
if (bind_ip.length() < 7) {
url += "127.0.0.1";
} else {
url += bind_ip;
}
int port = url_in.getPort();
if (port != -1) {
url += ":" + url_in.getPort();
}
url += url_in.getPath();
String query = url_in.getQuery();
if (query != null) {
url += "?" + query;
}
try {
return (new URL(url));
} catch (MalformedURLException e) {
Debug.printStackTrace(e);
}
}
return (url_in);
}
/**
* Discover WS device on the local network with specified filter
*
* @param regexpProtocol url protocol matching regexp like "^http$", might be empty ""
* @param regexpPath url path matching regexp like "onvif", might be empty ""
* @return list of unique device urls filtered
*/
public static Collection<URL> discoverWsDevicesAsUrls(String regexpProtocol, String regexpPath) {
final Collection<URL> urls =
new TreeSet<>(
new Comparator<URL>() {
public int compare(URL o1, URL o2) {
return o1.toString().compareTo(o2.toString());
}
});
for (String key : discoverWsDevices()) {
try {
final URL url = new URL(key);
boolean ok = true;
if (regexpProtocol.length() > 0 && !url.getProtocol().matches(regexpProtocol)) ok = false;
if (regexpPath.length() > 0 && !url.getPath().matches(regexpPath)) ok = false;
if (ok) urls.add(url);
} catch (MalformedURLException e) {
e.printStackTrace();
}
}
return urls;
}
/**
* Get a file name from a URL.
*
* @param url The URL.
* @param outputDirectoryName The output directory name.
* @return The file name stripped of its original path with the specified output directory
* attached.
*/
public static String getFileNameFromURL(URL url, String outputDirectoryName) {
String hostName = url.getHost();
String path = url.getPath();
String baseName = "";
if (path.length() == 0) {
if (hostName.length() == 0) {
baseName = "adorned";
} else {
baseName = hostName;
}
} else {
if (hostName.length() == 0) {
baseName = new File(path).getName();
} else {
baseName = new File(hostName + "." + path).getName();
}
}
return new File(outputDirectoryName, baseName).getPath();
}
// TODO hhw 这个方法不太理解
public String getPathFromClass(Class cls) throws IOException {
String path = null;
if (cls == null) {
throw new NullPointerException();
}
URL url = getClassLocationURL(cls);
if (url != null) {
path = url.getPath();
if ("jar".equalsIgnoreCase(url.getProtocol())) {
try {
path = new URL(path).getPath();
} catch (MalformedURLException e) {
}
int location = path.indexOf("!/");
if (location != -1) {
path = path.substring(0, location);
}
}
File file = new File(path.replaceAll("%20", " "));
path = file.getCanonicalPath();
}
return path;
}
