List of usage examples for java.net URLConnection setDefaultUseCaches
public void setDefaultUseCaches(boolean defaultusecaches)
From source file:Main.java
public static void main(String args[]) throws Exception { URL u = new URL("http://www.java2s.com"); URLConnection uc = u.openConnection(); uc.setDefaultUseCaches(true); System.out.println(uc.getDefaultUseCaches()); }
From source file:org.fragzone.unrealmmo.bukkit.entities.npcs.NPCProfile.java
private static void addProperties(GameProfile profile, UUID id) { String uuid = id.toString().replaceAll("-", ""); try {// w w w .ja v a 2s. c o m // Get the name from SwordPVP URL url = new URL("https://sessionserver.mojang.com/session/minecraft/profile/" + uuid); URLConnection uc = url.openConnection(); uc.setUseCaches(false); uc.setDefaultUseCaches(false); uc.addRequestProperty("User-Agent", "Mozilla/5.0"); uc.addRequestProperty("Cache-Control", "no-cache, no-store, must-revalidate"); uc.addRequestProperty("Pragma", "no-cache"); // Parse it Scanner scanner = new Scanner(uc.getInputStream(), "UTF-8"); String json = scanner.useDelimiter("\\A").next(); scanner.close(); JSONParser parser = new JSONParser(); Object obj = parser.parse(json); JSONArray properties = (JSONArray) ((JSONObject) obj).get("properties"); for (int i = 0; i < properties.size(); i++) { try { JSONObject property = (JSONObject) properties.get(i); String name = (String) property.get("name"); String value = (String) property.get("value"); String signature = property.containsKey("signature") ? (String) property.get("signature") : null; if (signature != null) { profile.getProperties().put(name, new Property(name, value, signature)); } else { profile.getProperties().put(name, new Property(value, name)); } } catch (Exception e) { Bukkit.getLogger().log(Level.WARNING, "Failed to apply auth property", e); } } } catch (Exception e) { e.printStackTrace(); } }
From source file:net.pms.util.OpenSubtitle.java
public static String postPage(URLConnection connection, String query) throws IOException { connection.setDoOutput(true);/*from ww w.jav a2 s. c o m*/ connection.setDoInput(true); connection.setUseCaches(false); connection.setDefaultUseCaches(false); connection.setRequestProperty("Content-Type", "text/xml"); connection.setRequestProperty("Content-Length", "" + query.length()); ((HttpURLConnection) connection).setRequestMethod("POST"); //LOGGER.debug("opensub query "+query); // open up the output stream of the connection if (!StringUtils.isEmpty(query)) { try (DataOutputStream output = new DataOutputStream(connection.getOutputStream())) { output.writeBytes(query); output.flush(); } } StringBuilder page; try (BufferedReader in = new BufferedReader(new InputStreamReader(connection.getInputStream()))) { page = new StringBuilder(); String str; while ((str = in.readLine()) != null) { page.append(str.trim()); page.append("\n"); } } //LOGGER.debug("opensubs result page "+page.toString()); return page.toString(); }
From source file:me.mast3rplan.phantombot.twitch.TwitchAPI.java
public JSONObject getObject(String url) throws IOException { URLConnection connection = new URL(url).openConnection(); connection.setUseCaches(false);/* w w w. j a va 2s .c om*/ connection.setDefaultUseCaches(false); String content = IOUtils.toString(connection.getInputStream(), connection.getContentEncoding()); return new JSONObject(content); }
From source file:me.mast3rplan.phantombot.twitch.TwitchAPI.java
public JSONObject postObject(String url) throws IOException { URLConnection connection = new URL(url).openConnection(); connection.setUseCaches(false);//ww w . ja v a 2s .c om connection.setDefaultUseCaches(false); connection.addRequestProperty(url, url); String content = IOUtils.toString(connection.getInputStream(), connection.getContentEncoding()); return new JSONObject(content); }
From source file:info.mallmc.framework.util.ProfileLoader.java
private void addProperties(GameProfile profile) { String uuid = getUUID(skinOwner); try {/*w ww .jav a 2s . c o m*/ // Get the name from SwordPVP URL url = new URL( "https://sessionserver.mojang.com/session/minecraft/profile/" + uuid + "?unsigned=false"); URLConnection uc = url.openConnection(); uc.setUseCaches(false); uc.setDefaultUseCaches(false); uc.addRequestProperty("User-Agent", "Mozilla/5.0"); uc.addRequestProperty("Cache-Control", "no-cache, no-store, must-revalidate"); uc.addRequestProperty("Pragma", "no-cache"); // Parse it String json = new Scanner(uc.getInputStream(), "UTF-8").useDelimiter("\\A").next(); JSONParser parser = new JSONParser(); Object obj = parser.parse(json); JSONArray properties = (JSONArray) ((JSONObject) obj).get("properties"); for (int i = 0; i < properties.size(); i++) { try { JSONObject property = (JSONObject) properties.get(i); String name = (String) property.get("name"); String value = (String) property.get("value"); String signature = property.containsKey("signature") ? (String) property.get("signature") : null; if (signature != null) { profile.getProperties().put(name, new Property(name, value, signature)); } else { profile.getProperties().put(name, new Property(value, name)); } } catch (Exception e) { L.ogError(LL.ERROR, Trigger.LOAD, "Failed to apply auth property", "Failed to apply auth property"); } } } catch (Exception e) { ; // Failed to load skin } }
From source file:org.openmrs.module.ModuleUtil.java
/** * Downloads the contents of a URL and copies them to a string (Borrowed from oreilly) * * @param url//from w ww. ja va 2 s.c om * @return InputStream of contents * @should return a valid input stream for old module urls */ public static InputStream getURLStream(URL url) { InputStream in = null; try { URLConnection uc = url.openConnection(); uc.setDefaultUseCaches(false); uc.setUseCaches(false); uc.setRequestProperty("Cache-Control", "max-age=0,no-cache"); uc.setRequestProperty("Pragma", "no-cache"); log.debug("Logging an attempt to connect to: " + url); in = openConnectionCheckRedirects(uc); } catch (IOException io) { log.warn("io while reading: " + url, io); } return in; }
From source file:com.wavemaker.runtime.module.ModuleController.java
@Override protected ModelAndView handleRequestInternal(HttpServletRequest request, HttpServletResponse response) throws Exception { String requestURI = request.getRequestURI(); final String moduleURI = "/" + MODULES_PREFIX; final String moduleURIAbs = moduleURI + "/"; final String moduleJsURI = moduleURIAbs + MODULES_JS; final String epURI = moduleURIAbs + EXTENSION_PATH; final String epURIAbs = epURI + "/"; final String idURI = moduleURIAbs + ID_PATH; final String idURIAbs = idURI + "/"; // trim off the servlet name requestURI = requestURI.substring(requestURI.indexOf('/', 1)); if (moduleURI.equals(requestURI) || moduleURIAbs.equals(requestURI)) { } else if (epURI.equals(requestURI) || epURIAbs.equals(requestURI)) { Set<String> names = this.moduleManager.listExtensionPoints(); response.setContentType("text/html"); Writer writer = response.getWriter(); writer.write("<html><body>\n"); for (String ext : names) { writer.write(ext + "<br />\n"); }//from www . j av a2s . c om writer.write("</body></html>\n"); writer.close(); } else if (idURI.equals(requestURI) || idURIAbs.equals(requestURI)) { Set<String> names = this.moduleManager.listModules(); response.setContentType("text/html"); Writer writer = response.getWriter(); writer.write("<html><body>\n"); for (String ext : names) { writer.write(ext + "<br />\n"); } writer.write("</body></html>\n"); writer.close(); } else if (moduleJsURI.equals(requestURI)) { Set<String> extensions = this.moduleManager.listExtensionPoints(); JSONObject jo = new JSONObject(); JSONObject extJO = new JSONObject(); for (String extension : extensions) { JSONArray ja = new JSONArray(); List<ModuleWire> wires = this.moduleManager.getModules(extension); for (ModuleWire wire : wires) { ja.add(wire.getName()); } extJO.put(extension, ja); } jo.put("extensionPoints", extJO); response.setContentType(ServerConstants.JSON_CONTENT_TYPE); Writer writer = response.getWriter(); writer.write(jo.toString()); writer.close(); } else { Tuple.Two<ModuleWire, String> tuple = parseRequestPath(requestURI); if (tuple.v1 == null) { String message = MessageResource.NO_MODULE_RESOURCE.getMessage(requestURI, tuple.v2); this.logger.error(message); response.setStatus(HttpServletResponse.SC_NOT_FOUND); Writer outputWriter = response.getWriter(); outputWriter.write(message); return null; } URL url = this.moduleManager.getModuleResource(tuple.v1, tuple.v2); URLConnection conn = url.openConnection(); if (SystemUtils.IS_OS_WINDOWS) { conn.setDefaultUseCaches(false); } response.setContentType(conn.getContentType()); OutputStream os = null; InputStream is = null; try { os = response.getOutputStream(); is = conn.getInputStream(); IOUtils.copy(conn.getInputStream(), os); } finally { if (os != null) { os.close(); } if (is != null) { is.close(); } } } return null; }
From source file:org.openmrs.util.OpenmrsClassLoader.java
/** * Creates the instance for the OpenmrsClassLoader *///from www. j av a 2 s . co m public OpenmrsClassLoader(ClassLoader parent) { super(new URL[0], parent); if (parent instanceof OpenmrsClassLoader) { throw new IllegalArgumentException("Parent must not be OpenmrsClassLoader nor null"); } else if (parent instanceof ModuleClassLoader) { throw new IllegalArgumentException("Parent must not be ModuleClassLoader"); } OpenmrsClassLoaderHolder.INSTANCE = this; if (log.isDebugEnabled()) { log.debug("Creating new OpenmrsClassLoader instance with parent: " + parent); } //disable caching so the jars aren't locked //if performance is effected, this can be disabled in favor of //copying all opened jars to a temp location //(ala org.apache.catalina.loader.WebappClassLoader antijarlocking) URLConnection urlConnection = new OpenmrsURLConnection(); urlConnection.setDefaultUseCaches(false); }
From source file:com.google.gwt.dev.shell.jetty.JettyLauncher.java
/** * This is a modified version of JreMemoryLeakPreventionListener.java found * in the Apache Tomcat project at//from w w w. ja v a 2 s . c om * * http://svn.apache.org/repos/asf/tomcat/trunk/java/org/apache/catalina/core/ * JreMemoryLeakPreventionListener.java * * Relevant part of the Tomcat NOTICE, retrieved from * http://svn.apache.org/repos/asf/tomcat/trunk/NOTICE Apache Tomcat Copyright * 1999-2010 The Apache Software Foundation * * This product includes software developed by The Apache Software Foundation * (http://www.apache.org/). */ private void jreLeakPrevention(TreeLogger logger) { // Trigger a call to sun.awt.AppContext.getAppContext(). This will // pin the common class loader in memory but that shouldn't be an // issue. ImageIO.getCacheDirectory(); /* * Several components end up calling: sun.misc.GC.requestLatency(long) * * Those libraries / components known to trigger memory leaks due to * eventual calls to requestLatency(long) are: - * javax.management.remote.rmi.RMIConnectorServer.start() */ try { Class<?> clazz = Class.forName("sun.misc.GC"); Method method = clazz.getDeclaredMethod("requestLatency", new Class[] { long.class }); method.invoke(null, Long.valueOf(3600000)); } catch (ClassNotFoundException e) { logger.log(TreeLogger.ERROR, "jreLeakPrevention.gcDaemonFail", e); } catch (SecurityException e) { logger.log(TreeLogger.ERROR, "jreLeakPrevention.gcDaemonFail", e); } catch (NoSuchMethodException e) { logger.log(TreeLogger.ERROR, "jreLeakPrevention.gcDaemonFail", e); } catch (IllegalArgumentException e) { logger.log(TreeLogger.ERROR, "jreLeakPrevention.gcDaemonFail", e); } catch (IllegalAccessException e) { logger.log(TreeLogger.ERROR, "jreLeakPrevention.gcDaemonFail", e); } catch (InvocationTargetException e) { logger.log(TreeLogger.ERROR, "jreLeakPrevention.gcDaemonFail", e); } /* * Calling getPolicy retains a static reference to the context class loader. */ try { // Policy.getPolicy(); Class<?> policyClass = Class.forName("javax.security.auth.Policy"); Method method = policyClass.getMethod("getPolicy"); method.invoke(null); } catch (ClassNotFoundException e) { // Ignore. The class is deprecated. } catch (SecurityException e) { // Ignore. Don't need call to getPolicy() to be successful, // just need to trigger static initializer. } catch (NoSuchMethodException e) { logger.log(TreeLogger.WARN, "jreLeakPrevention.authPolicyFail", e); } catch (IllegalArgumentException e) { logger.log(TreeLogger.WARN, "jreLeakPrevention.authPolicyFail", e); } catch (IllegalAccessException e) { logger.log(TreeLogger.WARN, "jreLeakPrevention.authPolicyFail", e); } catch (InvocationTargetException e) { logger.log(TreeLogger.WARN, "jreLeakPrevention.authPolicyFail", e); } /* * Creating a MessageDigest during web application startup initializes the * Java Cryptography Architecture. Under certain conditions this starts a * Token poller thread with TCCL equal to the web application class loader. * * Instead we initialize JCA right now. */ java.security.Security.getProviders(); /* * Several components end up opening JarURLConnections without first * disabling caching. This effectively locks the file. Whilst more * noticeable and harder to ignore on Windows, it affects all operating * systems. * * Those libraries/components known to trigger this issue include: - log4j * versions 1.2.15 and earlier - javax.xml.bind.JAXBContext.newInstance() */ // Set the default URL caching policy to not to cache try { // Doesn't matter that this JAR doesn't exist - just as long as // the URL is well-formed URL url = new URL("jar:file://dummy.jar!/"); URLConnection uConn = url.openConnection(); uConn.setDefaultUseCaches(false); } catch (MalformedURLException e) { logger.log(TreeLogger.ERROR, "jreLeakPrevention.jarUrlConnCacheFail", e); } catch (IOException e) { logger.log(TreeLogger.ERROR, "jreLeakPrevention.jarUrlConnCacheFail", e); } /* * Haven't got to the root of what is going on with this leak but if a web * app is the first to make the calls below the web application class loader * will be pinned in memory. */ DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance(); try { factory.newDocumentBuilder(); } catch (ParserConfigurationException e) { logger.log(TreeLogger.ERROR, "jreLeakPrevention.xmlParseFail", e); } }