/**
* Loads the drawing. By convention this method is invoked on a worker thread.
*
* @param progress A ProgressIndicator to inform the user about the progress of the operation.
* @return The Drawing that was loaded.
*/
protected Drawing loadDrawing(ProgressIndicator progress) throws IOException {
Drawing drawing = createDrawing();
if (getParameter("datafile") != null) {
URL url = new URL(getDocumentBase(), getParameter("datafile"));
URLConnection uc = url.openConnection();
// Disable caching. This ensures that we always request the
// newest version of the drawing from the server.
// (Note: The server still needs to set the proper HTTP caching
// properties to prevent proxies from caching the drawing).
if (uc instanceof HttpURLConnection) {
((HttpURLConnection) uc).setUseCaches(false);
}
// Read the data into a buffer
int contentLength = uc.getContentLength();
InputStream in = uc.getInputStream();
try {
if (contentLength != -1) {
in = new BoundedRangeInputStream(in);
((BoundedRangeInputStream) in).setMaximum(contentLength + 1);
progress.setProgressModel((BoundedRangeModel) in);
progress.setIndeterminate(false);
}
BufferedInputStream bin = new BufferedInputStream(in);
bin.mark(512);
// Read the data using all supported input formats
// until we succeed
IOException formatException = null;
for (InputFormat format : drawing.getInputFormats()) {
try {
bin.reset();
} catch (IOException e) {
uc = url.openConnection();
in = uc.getInputStream();
in = new BoundedRangeInputStream(in);
((BoundedRangeInputStream) in).setMaximum(contentLength + 1);
progress.setProgressModel((BoundedRangeModel) in);
bin = new BufferedInputStream(in);
bin.mark(512);
}
try {
bin.reset();
format.read(bin, drawing, true);
formatException = null;
break;
} catch (IOException e) {
formatException = e;
}
}
if (formatException != null) {
throw formatException;
}
} finally {
in.close();
}
}
return drawing;
}
static {
Attributes m = null;
final URL loc = Prop.LOCATION;
if (loc != null) {
final String jar = loc.getFile();
try {
final ClassLoader cl = JarManifest.class.getClassLoader();
final Enumeration<URL> list = cl.getResources("META-INF/MANIFEST.MF");
while (list.hasMoreElements()) {
final URL url = list.nextElement();
if (!url.getFile().contains(jar)) continue;
final InputStream in = url.openStream();
try {
m = new Manifest(in).getMainAttributes();
break;
} finally {
in.close();
}
}
} catch (final IOException ex) {
Util.errln(ex);
}
}
MAP = m;
}
public void run() {
try {
Thread.sleep(10);
byte[] buf = getBuf();
URL url = new URL("http://127.0.0.1:" + port + "/test");
HttpURLConnection con = (HttpURLConnection) url.openConnection();
con.setDoOutput(true);
con.setDoInput(true);
con.setRequestMethod("POST");
con.setRequestProperty(
"Content-Type",
"Multipart/Related; type=\"application/xop+xml\"; boundary=\"----=_Part_0_6251267.1128549570165\"; start-info=\"text/xml\"");
OutputStream out = con.getOutputStream();
out.write(buf);
out.close();
InputStream in = con.getInputStream();
byte[] newBuf = readFully(in);
in.close();
if (buf.length != newBuf.length) {
System.out.println("Doesn't match");
error = true;
}
synchronized (lock) {
++received;
if ((received % 1000) == 0) {
System.out.println("Received=" + received);
}
}
} catch (Exception e) {
// e.printStackTrace();
System.out.print(".");
error = true;
}
}
@Override
public InputStream getInputStream() throws IOException, UnsupportedFileOperationException {
VsphereConnHandler connHandler = null;
try {
connHandler = getConnHandler();
ManagedObjectReference fileManager = getFileManager(connHandler);
FileTransferInformation fileDlInfo =
connHandler
.getClient()
.getVimPort()
.initiateFileTransferFromGuest(fileManager, vm, credentials, getPathInVm());
String fileDlUrl = fileDlInfo.getUrl().replace("*", connHandler.getClient().getServer());
// http://stackoverflow.com/questions/921262/how-to-download-and-save-a-file-from-internet-using-java
URL website = new URL(fileDlUrl);
return website.openStream();
} catch (InvalidPropertyFaultMsg e) {
translateandLogException(e);
} catch (RuntimeFaultFaultMsg e) {
translateandLogException(e);
} catch (FileFaultFaultMsg e) {
translateandLogException(e);
} catch (GuestOperationsFaultFaultMsg e) {
translateandLogException(e);
} catch (InvalidStateFaultMsg e) {
translateandLogException(e);
} catch (TaskInProgressFaultMsg e) {
translateandLogException(e);
} finally {
releaseConnHandler(connHandler);
}
return null;
}
public static String visitWeb(String urlStr) {
URL url = null;
HttpURLConnection httpConn = null;
InputStream in = null;
try {
url = new URL(urlStr);
httpConn = (HttpURLConnection) url.openConnection();
HttpURLConnection.setFollowRedirects(true);
httpConn.setRequestMethod("GET");
httpConn.setRequestProperty("User-Agent", "Mozilla/4.0(compatible;MSIE 6.0;Windows 2000)");
in = httpConn.getInputStream();
return convertStreamToString(in);
} catch (MalformedURLException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
} finally {
try {
in.close();
httpConn.disconnect();
} catch (Exception ex) {
ex.printStackTrace();
}
}
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);
}
}
private boolean handshake() throws Exception {
URL homePage = new URL("http://mangaonweb.com/viewer.do?ctsn=" + ctsn);
HttpURLConnection urlConn = (HttpURLConnection) homePage.openConnection();
urlConn.connect();
if (urlConn.getResponseCode() == HttpURLConnection.HTTP_NOT_FOUND) return (false);
// save the cookie
String headerName = null;
for (int i = 1; (headerName = urlConn.getHeaderFieldKey(i)) != null; i++) {
if (headerName.equals("Set-Cookie")) {
cookies = urlConn.getHeaderField(i);
}
}
// save cdn and crcod
String page = "", line;
BufferedReader stream =
new BufferedReader(new InputStreamReader(urlConn.getInputStream(), "UTF-8"));
while ((line = stream.readLine()) != null) page += line;
cdn = param(page, "cdn");
crcod = param(page, "crcod");
return (true);
}
public static void setAZTracker(URL tracker_url, boolean az_tracker) {
String key = tracker_url.getHost() + ":" + tracker_url.getPort();
synchronized (az_trackers) {
boolean changed = false;
if (az_trackers.get(key) == null) {
if (az_tracker) {
az_trackers.put(key, new Long(SystemTime.getCurrentTime()));
changed = true;
}
} else {
if (!az_tracker) {
if (az_trackers.remove(key) != null) {
changed = true;
}
}
}
if (changed) {
COConfigurationManager.setParameter("Tracker Client AZ Instances", az_trackers);
}
}
}
private boolean processURL(URL url, String baseDir, StatusWindow status) throws IOException {
if (processedLinks.contains(url)) {
return false;
} else {
processedLinks.add(url);
}
URLConnection connection = url.openConnection();
InputStream in = new BufferedInputStream(connection.getInputStream());
ArrayList list = processPage(in, baseDir, url);
if ((status != null) && (list.size() > 0)) {
status.setMaximum(list.size());
}
for (int i = 0; i < list.size(); i++) {
if (status != null) {
status.setMessage(Utils.trimFileName(list.get(i).toString(), 40), i);
}
if ((!((String) list.get(i)).startsWith("RUN"))
&& (!((String) list.get(i)).startsWith("SAVE"))
&& (!((String) list.get(i)).startsWith("LOAD"))) {
processURL(
new URL(url.getProtocol(), url.getHost(), url.getPort(), (String) list.get(i)),
baseDir,
status);
}
}
in.close();
return true;
}
public static void main(String[] args) {
try {
if (args.length == 1) {
URL url = new URL(args[0]);
System.out.println("Content-Type: " + url.openConnection().getContentType());
// Vector links = extractLinks(url);
// for (int n = 0; n < links.size(); n++) {
// System.out.println((String) links.elementAt(n));
// }
Set links = extractLinksWithText(url).entrySet();
Iterator it = links.iterator();
while (it.hasNext()) {
Map.Entry en = (Map.Entry) it.next();
String strLink = (String) en.getKey();
String strText = (String) en.getValue();
System.out.println(strLink + " \"" + strText + "\" ");
}
return;
} else if (args.length == 2) {
writeURLtoFile(new URL(args[0]), args[1]);
return;
}
} catch (Exception e) {
System.err.println("An error occured: ");
e.printStackTrace();
// System.err.println(e.toString());
}
System.err.println("Usage: java SaveURL <url> [<file>]");
System.err.println("Saves a URL to a file.");
System.err.println("If no file is given, extracts hyperlinks on url to console.");
}
public boolean shutdown(int port, boolean ssl) {
try {
String protocol = "http" + (ssl ? "s" : "");
URL url = new URL(protocol, "127.0.0.1", port, "shutdown");
HttpURLConnection conn = (HttpURLConnection) url.openConnection();
conn.setRequestMethod("GET");
conn.setRequestProperty("servicemanager", "shutdown");
conn.connect();
StringBuffer sb = new StringBuffer();
BufferedReader br = new BufferedReader(new InputStreamReader(conn.getInputStream(), "UTF-8"));
int n;
char[] cbuf = new char[1024];
while ((n = br.read(cbuf, 0, cbuf.length)) != -1) sb.append(cbuf, 0, n);
br.close();
String message = sb.toString().replace("<br>", "\n");
if (message.contains("Goodbye")) {
cp.appendln("Shutting down the server:");
String[] lines = message.split("\n");
for (String line : lines) {
cp.append("...");
cp.appendln(line);
}
return true;
}
} catch (Exception ex) {
}
cp.appendln("Unable to shutdown CTP");
return false;
}
/**
* 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");
}
}
}
private JarFile getCachedJarFile(URL url) {
JarFile result = (JarFile) fileCache.get(url);
/* if the JAR file is cached, the permission will always be there */
if (result != null) {
Permission perm = getPermission(result);
if (perm != null) {
SecurityManager sm = System.getSecurityManager();
if (sm != null) {
try {
sm.checkPermission(perm);
} catch (SecurityException se) {
// fallback to checkRead/checkConnect for pre 1.2
// security managers
if ((perm instanceof java.io.FilePermission)
&& perm.getActions().indexOf("read") != -1) {
sm.checkRead(perm.getName());
} else if ((perm instanceof java.net.SocketPermission)
&& perm.getActions().indexOf("connect") != -1) {
sm.checkConnect(url.getHost(), url.getPort());
} else {
throw se;
}
}
}
}
}
return result;
}
byte[] getJar(String address) {
// System.out.println("getJar: "+address);
byte[] data;
try {
URL url = new URL(address);
IJ.showStatus("Connecting to " + IJ.URL);
URLConnection uc = url.openConnection();
int len = uc.getContentLength();
if (IJ.debugMode) IJ.log("Updater (url): " + address + " " + len);
if (len <= 0) return null;
String name = address.contains("wsr") ? "daily build (" : "ij.jar (";
IJ.showStatus("Downloading " + name + IJ.d2s((double) len / 1048576, 1) + "MB)");
InputStream in = uc.getInputStream();
data = new byte[len];
int n = 0;
while (n < len) {
int count = in.read(data, n, len - n);
if (count < 0) throw new EOFException();
n += count;
IJ.showProgress(n, len);
}
in.close();
} catch (IOException e) {
if (IJ.debugMode) IJ.log("" + e);
return null;
}
if (IJ.debugMode) IJ.wait(6000);
return data;
}
public ArrayList<String> parseXML() throws Exception {
ArrayList<String> ret = new ArrayList<String>();
handshake();
URL url =
new URL(
"http://mangaonweb.com/page.do?cdn="
+ cdn
+ "&cpn=book.xml&crcod="
+ crcod
+ "&rid="
+ (int) (Math.random() * 10000));
String page = DownloaderUtils.getPage(url.toString(), "UTF-8", cookies);
DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
DocumentBuilder builder = factory.newDocumentBuilder();
InputSource is = new InputSource(new StringReader(page));
Document d = builder.parse(is);
Element doc = d.getDocumentElement();
NodeList pages = doc.getElementsByTagName("page");
total = pages.getLength();
for (int i = 0; i < pages.getLength(); i++) {
Element e = (Element) pages.item(i);
ret.add(e.getAttribute("path"));
}
return (ret);
}
@Override
public void run() {
try {
URL url = buildPingUrl();
if (logger.isDebugEnabled()) {
logger.debug("Sending UDC information to {}...", url);
}
HttpURLConnection conn = (HttpURLConnection) url.openConnection();
conn.setConnectTimeout((int) HTTP_TIMEOUT.millis());
conn.setReadTimeout((int) HTTP_TIMEOUT.millis());
if (conn.getResponseCode() >= 300) {
throw new Exception(
String.format("%s Responded with Code %d", url.getHost(), conn.getResponseCode()));
}
if (logger.isDebugEnabled()) {
BufferedReader reader = new BufferedReader(new InputStreamReader(conn.getInputStream()));
String line = reader.readLine();
while (line != null) {
logger.debug(line);
line = reader.readLine();
}
reader.close();
} else {
conn.getInputStream().close();
}
successCounter.incrementAndGet();
} catch (Exception e) {
if (logger.isDebugEnabled()) {
logger.debug("Error sending UDC information", e);
}
failCounter.incrementAndGet();
}
}
public SetIfModifiedSince() throws Exception {
serverSock = new ServerSocket(0);
int port = serverSock.getLocalPort();
Thread thr = new Thread(this);
thr.start();
Date date = new Date(new Date().getTime() - 1440000); // this time yesterday
URL url;
HttpURLConnection con;
// url = new URL(args[0]);
url = new URL("http://localhost:" + String.valueOf(port) + "/anything");
con = (HttpURLConnection) url.openConnection();
con.setIfModifiedSince(date.getTime());
con.connect();
int ret = con.getResponseCode();
if (ret == 304) {
System.out.println("Success!");
} else {
throw new RuntimeException(
"Test failed! Http return code using setIfModified method is:"
+ ret
+ "\nNOTE:some web servers are not implemented according to RFC, thus a failed test does not necessarily indicate a bug in setIfModifiedSince method");
}
}
public static String sendGet(String url, String params) {
String result = "";
BufferedReader in = null;
try {
String urlName = url + "?" + params;
URL realUrl = new URL(urlName);
URLConnection conn = realUrl.openConnection();
conn.setRequestProperty("accept", "*/*");
conn.setRequestProperty("connection", "Keep-Alive");
conn.setRequestProperty(
"user-agent", "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1)");
conn.connect();
Map<String, List<String>> map = conn.getHeaderFields();
for (String key : map.keySet()) {
System.out.println(key + "--->" + map.get(key));
}
in = new BufferedReader(new InputStreamReader(conn.getInputStream()));
String line;
while ((line = in.readLine()) != null) {
result += "\n" + line;
}
} catch (Exception e) {
e.printStackTrace();
} finally {
try {
if (in != null) {
in.close();
}
} catch (IOException ex) {
ex.printStackTrace();
}
}
return result;
}
// callRestfulApi - Calls restful API and returns results as a string
public String callRestfulApi(
String addr, HttpServletRequest request, HttpServletResponse response) {
if (localCookie) CookieHandler.setDefault(cm);
try {
ByteArrayOutputStream output = new ByteArrayOutputStream();
URL url = new URL(API_ROOT + addr);
URLConnection urlConnection = url.openConnection();
String cookieVal = getBrowserInfiniteCookie(request);
if (cookieVal != null) {
urlConnection.addRequestProperty("Cookie", "infinitecookie=" + cookieVal);
urlConnection.setDoInput(true);
urlConnection.setDoOutput(true);
urlConnection.setRequestProperty("Accept-Charset", "UTF-8");
}
IOUtils.copy(urlConnection.getInputStream(), output);
String newCookie = getConnectionInfiniteCookie(urlConnection);
if (newCookie != null && response != null) {
setBrowserInfiniteCookie(response, newCookie, request.getServerPort());
}
return output.toString();
} catch (IOException e) {
System.out.println(e.getMessage());
return null;
}
} // TESTED
/**
* ** Gets the 'port' specification in the URI ** @return The 'port' specification in the URL, or
* -1 if not port is specified
*/
public int getPort() {
try {
URL url = new URL(this.getURI());
return url.getPort();
} catch (MalformedURLException mue) {
return -1;
}
}
/**
* ** Gets the 'file' specification in the URI ** @return The 'file' specification in the URL, or
* null if unable to determine file
*/
public String getFile() {
try {
URL url = new URL(this.getURI());
return url.getFile();
} catch (MalformedURLException mue) {
return null;
}
}
public void start() throws Exception {
URL url = new URL("http://localhost:5000/gameInit");
URLConnection urlCon = url.openConnection();
GameInitMessage gim = GameInitMessage.parseFrom(urlCon.getInputStream());
urlCon.getInputStream().close();
this.properties = new PropertyWrapper(gim);
gameId = gim.getGameId();
}
static void openURL(
JopSession session, String name, boolean newFrame, String frameName, String bookmark) {
System.out.println("openURL " + name);
Object root = session.getRoot();
// Replace any URL symbol
name = replaceUrlSymbol(session, name);
try {
String url_str = null;
if (name.substring(0, 5).equals("http:")) {
url_str = name;
if (url_str.lastIndexOf(".html") == -1
&& url_str.lastIndexOf(".shtml") == -1
&& url_str.lastIndexOf(".htm") == -1
&& url_str.lastIndexOf(".pdf") == -1) url_str = url_str + ".html";
} else if (name.startsWith("$pwr_doc/")) {
URL current = ((JApplet) root).getDocumentBase();
String current_str = current.toString();
int idx1 = current_str.indexOf('/');
if (idx1 != -1 && current_str.length() > idx1 + 1) {
idx1 = current_str.indexOf('/', idx1 + 1);
if (idx1 != -1 && current_str.length() > idx1 + 1) {
idx1 = current_str.indexOf('/', idx1 + 1);
if (idx1 != -1 && current_str.length() > idx1 + 1) {
url_str = current_str.substring(0, idx1 + 1) + "pwr_doc/" + name.substring(9);
if (url_str.lastIndexOf(".html") == -1
&& url_str.lastIndexOf(".shtml") == -1
&& url_str.lastIndexOf(".htm") == -1
&& url_str.lastIndexOf(".pdf") == -1) url_str = url_str + ".html";
}
}
}
} else {
URL current = ((JApplet) root).getCodeBase();
String current_str = current.toString();
int idx1 = current_str.lastIndexOf('/');
int idx2 = current_str.lastIndexOf(':');
int idx = idx1;
if (idx2 > idx) idx = idx2;
String path = current_str.substring(0, idx + 1);
if (name.lastIndexOf(".html") == -1
&& name.lastIndexOf(".shtml") == -1
&& name.lastIndexOf(".htm") == -1
&& name.lastIndexOf(".pdf") == -1) url_str = new String(path + name + ".html");
else url_str = new String(path + name);
if (bookmark != null) url_str += "#" + bookmark;
}
System.out.println("Opening URL: " + url_str);
URL url = new URL(url_str);
AppletContext appCtx = ((JApplet) root).getAppletContext();
if (newFrame) appCtx.showDocument(url, "_blank");
else if (frameName != null) appCtx.showDocument(url, frameName);
else appCtx.showDocument(url, "_self");
} catch (MalformedURLException e) {
System.out.println("MalformedURL : " + name);
}
}
public static void main(String[] argv) {
try {
URL url = new URL(argv[0]);
BufferedReader br = new BufferedReader(new InputStreamReader(url.openStream()));
MarkupReader mr = new MarkupReader(br, new AceViewerConfig(), false);
} catch (Exception e) {
System.err.println(e); // debug
}
}
public InputStream getResourceAsStream(String path) {
URL url = getResource(path);
if (url == null) return null;
try {
return url.openStream();
} catch (IOException ioe) {
throw new RuntimeException("can't getResourceAsStream [" + path + "]", ioe);
}
}
public static ModuleImpl loadModule(String resource) throws IOException, CoreException {
URL url = ModuleSyncRunnerTest.class.getResource(resource);
if (url == null) {
Assert.fail("resource not found: " + resource);
}
ModuleImpl module = new ModuleManifestParser().parse(url.openStream());
module.setLocation(url);
return module;
}
protected void addPathFile(final File pathComponent) throws IOException {
if (!this.pathComponents.contains(pathComponent)) {
this.pathComponents.addElement(pathComponent);
}
if (pathComponent.isDirectory()) {
return;
}
final String absPathPlusTimeAndLength =
pathComponent.getAbsolutePath()
+ pathComponent.lastModified()
+ "-"
+ pathComponent.length();
String classpath = AntClassLoader.pathMap.get(absPathPlusTimeAndLength);
if (classpath == null) {
JarFile jarFile = null;
try {
jarFile = new JarFile(pathComponent);
final Manifest manifest = jarFile.getManifest();
if (manifest == null) {
return;
}
classpath = manifest.getMainAttributes().getValue(Attributes.Name.CLASS_PATH);
} finally {
if (jarFile != null) {
jarFile.close();
}
}
if (classpath == null) {
classpath = "";
}
AntClassLoader.pathMap.put(absPathPlusTimeAndLength, classpath);
}
if (!"".equals(classpath)) {
final URL baseURL = AntClassLoader.FILE_UTILS.getFileURL(pathComponent);
final StringTokenizer st = new StringTokenizer(classpath);
while (st.hasMoreTokens()) {
final String classpathElement = st.nextToken();
final URL libraryURL = new URL(baseURL, classpathElement);
if (!libraryURL.getProtocol().equals("file")) {
this.log(
"Skipping jar library "
+ classpathElement
+ " since only relative URLs are supported by this"
+ " loader",
3);
} else {
final String decodedPath = Locator.decodeUri(libraryURL.getFile());
final File libraryFile = new File(decodedPath);
if (!libraryFile.exists() || this.isInPath(libraryFile)) {
continue;
}
this.addPathFile(libraryFile);
}
}
}
}
public static void main(String[] args) throws IOException {
URLConnectionTest u = new URLConnectionTest();
String urlName = "http://localhost/~huahan/PPServer/index.php/blog/index";
URL url = new URL(urlName);
URLConnection connection = url.openConnection();
connection.connect();
for (int i = 0; i < 10; i++) u.fun(connection);
}
private void doImportFromURL(HttpServletRequest req, HttpServletResponse resp)
throws IOException, ServletException {
URL source = getSourceURL();
IOUtilities.pipe(
source.openStream(),
new FileOutputStream(new File(getStorageDirectory(), FILE_DATA), true),
true,
true);
completeTransfer(req, resp);
}
/**
* 以阻塞的方式立即下载一个文件，该方法会覆盖已经存在的文件
*
* @param task
* @return "ok" if download success (else return errmessage);
*/
static String download(DownloadTask task) {
if (!openedStatus && show) openStatus();
URL url;
HttpURLConnection conn;
try {
url = new URL(task.getOrigin());
conn = (HttpURLConnection) url.openConnection();
conn.setConnectTimeout(30000);
conn.setReadTimeout(30000);
conn.setRequestProperty(
"User-Agent",
"Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/43.0.2357.134 Safari/"
+ Math.random());
if ("www.imgjav.com".equals(url.getHost())) { // 该网站需要带cookie请求
conn.setRequestProperty(
"User-Agent",
"Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/43.0.2357.134 Safari/537.36");
// conn.setRequestProperty("Cookie", "__cfduid=d219ea333c7a9b5743b572697b631925a1446093229;
// cf_clearance=6ae62d843f5d09acf393f9e4eb130d9366840c82-1446093303-28800");
conn.setRequestProperty(
"Cookie",
"__cfduid=d6ee846b378bb7d5d173a05541f8a2b6a1446090548; cf_clearance=ea10e8db31f8b6ee51570b118dd89b7e616d7b62-1446099714-28800");
conn.setRequestProperty("Host", "www.imgjav.com");
}
Path directory = Paths.get(task.getDest()).getParent();
if (!Files.exists(directory)) Files.createDirectories(directory);
} catch (Exception e) {
e.printStackTrace();
return e.getMessage();
}
try (InputStream is = conn.getInputStream();
BufferedInputStream in = new BufferedInputStream(is);
FileOutputStream fos = new FileOutputStream(task.getDest());
OutputStream out = new BufferedOutputStream(fos); ) {
int length = conn.getContentLength();
if (length < 1) throw new IOException("length<1");
byte[] binary = new byte[length];
byte[] buff = new byte[65536];
int len;
int index = 0;
while ((len = in.read(buff)) != -1) {
System.arraycopy(buff, 0, binary, index, len);
index += len;
allLen += len; // allLen有线程安全的问题 ，可能会不正确。无需精确数据，所以不同步了
task.setReceivePercent(String.format("%.2f", ((float) index / length) * 100) + "%");
}
out.write(binary);
} catch (IOException e) {
e.printStackTrace();
return e.getMessage();
}
return "ok";
}