- 浏览: 293072 次
- 性别:
- 来自: 上海
-
文章分类
- 全部博客 (163)
- ETL (4)
- Oracle (24)
- Win (2)
- Apache (5)
- struts2 (1)
- ArcGIS (21)
- Java (17)
- other (6)
- JavaScript (4)
- Xml (4)
- c# (2)
- webSphere (5)
- Ext (2)
- Flex (35)
- Svn (3)
- tomcat (3)
- MyEclipse (4)
- MySQL (2)
- ibatis (2)
- log4j (4)
- spring (1)
- SqlServer (2)
- android (4)
- ios (3)
- SDE (2)
- mac (1)
- Linux (9)
- Mina2 (1)
最新评论
-
markss:
您好,请问kettle循环处理的内存泄漏问题是否已经解决了?毕 ...
Kettle -
1qqqqqq:
图呢 ???
Myeclipse 9.0集成FLASH BUILDER 4.5 -
hanyi366:
现在MyEclipse 都2014版了,好像MyEclipse ...
Visual Editor 插件 安装 -
cnjmwr:
MyEclipse8.6的Eclipse版本是3.5的 ve1 ...
Visual Editor 插件 安装 -
cloudphoenix:
大神 我特地登陆来回帖,真是帮了我的大忙了。看了一个多月的AS ...
FlexGlobals.topLevelApplication
XmlHttpProxy
XmlHttpProxyServlet
HttpClient
/* Copyright 2007 You may not modify, use, reproduce, or distribute this software except in compliance with the terms of the License at: http://developer.sun.com/berkeley_license.html $Id: XmlHttpProxy.java 2660 2008-10-29 14:40:28Z heiko.braun@jboss.com $ */ package jmaki.xhp; /* Copyright 2007 You may not modify, use, reproduce, or distribute this software except in compliance with the terms of the License at: http://developer.sun.com/berkeley_license.html $Id: XmlHttpProxy.java 2660 2008-10-29 14:40:28Z heiko.braun@jboss.com $ */ import java.io.*; import java.net.MalformedURLException; import java.net.URL; import java.util.*; import java.util.logging.*; import javax.xml.transform.*; import javax.xml.transform.stream.*; import org.json.*; public class XmlHttpProxy { public static String GET = "GET"; public static String POST = "POST"; public static String DELETE = "DELETE"; public static String PUT = "PUT"; private String userName = null; private String password = null; private static Logger logger; private String proxyHost = ""; int proxyPort = -1; private JSONObject config; private static String USAGE = "Usage: -url service_URL -id service_key [-url or -id required] -xslurl xsl_url [optional] -format json|xml [optional] -callback[optional] -config [optional] -resources base_directory_containing XSL stylesheets [optional]"; public XmlHttpProxy() {} public XmlHttpProxy(String proxyHost, int proxyPort) { this.proxyHost = proxyHost; this.proxyPort = proxyPort; } public XmlHttpProxy(String proxyHost, int proxyPort, String userName, String password) { this.proxyHost = proxyHost; this.proxyPort = proxyPort; this.userName = userName; this.password = password; } /** * This method will go out and make the call and it will apply an XSLT Transformation with the * set of parameters provided. * * @param urlString - The URL which you are looking up * @param out - The OutputStream to which the resulting document is written * @param xslInputStream - An input Stream to an XSL style sheet that is provided to the XSLT processor. If set to null there will be no transformation * @param paramsMap - A Map of parameters that are feed to the XSLT Processor. These params may be used when generating content. This may be set to null if no parameters are necessary. * @param method - The HTTP method used. * */ public void processRequest(String urlString, OutputStream out, InputStream xslInputStream, Map paramsMap, Map headers, String method, String userName, String password) throws IOException, MalformedURLException { doProcess(urlString, out, xslInputStream, paramsMap, headers,method, null,null, userName,password); } /** * This method will go out and make the call and it will apply an XSLT Transformation with the * set of parameters provided. * * @param urlString - The URL which you are looking up * @param out - The OutputStream to which the resulting document is written * */ public void doPost(String urlString, OutputStream out, InputStream xslInputStream, Map paramsMap, Map headers, String postData, String postContentType, String userName, String password) throws IOException, MalformedURLException { doProcess(urlString, out, xslInputStream, paramsMap, headers, XmlHttpProxy.POST, postData, postContentType, userName, password); } /** * This method will go out and make the call and it will apply an XSLT Transformation with the * set of parameters provided. * * @param urlString - The URL which you are looking up * @param out - The OutputStream to which the resulting document is written * @param xslInputStream - An input Stream to an XSL style sheet that is provided to the XSLT processor. If set to null there will be no transformation * @param paramsMap - A Map of parameters that are feed to the XSLT Processor. These params may be used when generating content. This may be set to null if no parameters are necessary. * @param method - the HTTP method used. * @param postData - A String of the bodyContent to be posted. A doPost will be used if this is parameter is not null. * @param postContentType - The request contentType used when posting data. Will not be set if this parameter is null. * @param userName - userName used for basic authorization * @param password - password used for basic authorization */ public void doProcess(String urlString, OutputStream out, InputStream xslInputStream, Map paramsMap, Map headers, String method, String postData, String postContentType, String userName, String password) throws IOException, MalformedURLException { if (paramsMap == null) { paramsMap = new HashMap(); } String format = (String)paramsMap.get("format"); if (format == null) { format = "xml"; } InputStream in = null; BufferedOutputStream os = null; HttpClient httpclient = null; if (userName != null && password != null) { httpclient = new HttpClient(proxyHost, proxyPort, urlString, headers, method, userName, password); } else { httpclient = new HttpClient(proxyHost, proxyPort, urlString, headers, method); } // post data determines whether we are going to do a get or a post if (postData == null) { in = httpclient.getInputStream(); } else { in = httpclient.doPost(postData, postContentType); } if(null==in) { throw new IOException("Failed to open input stream"); } // read the encoding from the incoming document and default to UTF-8 // if an encoding is not provided String ce = httpclient.getContentEncoding(); if (ce == null) { String ct = httpclient.getContentType(); if (ct != null) { int idx = ct.lastIndexOf("charset="); if (idx >= 0) { ce = ct.substring(idx+8); } else { ce = "UTF-8"; } } else { ce = "UTF-8"; } } // get the content type String cType = null; // write out the content type //http://www.ietf.org/rfc/rfc4627.txt if (format.equals("json")) { cType = "application/json;charset="+ce; } else { cType = "text/xml;charset="+ce; } try { byte[] buffer = new byte[1024]; int read = 0; if (xslInputStream == null) { while (true) { read = in.read(buffer); if (read <= 0) break; out.write(buffer, 0, read ); } } else { transform(in, xslInputStream, paramsMap, out, ce); } } catch (Exception e) { getLogger().severe("XmlHttpProxy transformation error: " + e); } finally { try { if (in != null) { in.close(); } if (out != null) { out.flush(); out.close(); } } catch (Exception e) { // do nothing } } } /** * Do the XSLT transformation */ public void transform( InputStream xmlIS, InputStream xslIS, Map params, OutputStream result, String encoding) { try { TransformerFactory trFac = TransformerFactory.newInstance(); Transformer transformer = trFac.newTransformer(new StreamSource(xslIS)); Iterator it = params.keySet().iterator(); while (it.hasNext()) { String key = (String)it.next(); transformer.setParameter(key, (String)params.get(key)); } transformer.setOutputProperty("encoding", encoding); transformer.transform(new StreamSource(xmlIS), new StreamResult(result)); } catch (Exception e) { getLogger().severe("XmlHttpProxy: Exception with xslt " + e); } } /** * * CLI to the XmlHttpProxy */ public static void main(String[] args) throws IOException, MalformedURLException { getLogger().info("XmlHttpProxy 1.8"); XmlHttpProxy xhp = new XmlHttpProxy(); if (args.length == 0) { System.out.println(USAGE); } String method = XmlHttpProxy.GET; InputStream xslInputStream = null; String serviceKey = null; String urlString = null; String xslURLString = null; String format = "xml"; String callback = null; String urlParams = null; String configURLString = "xhp.json"; String resourceBase = "file:src/conf/META-INF/resources/xsl/"; String username = null; String password = null; // read in the arguments int index = 0; while (index < args.length) { if (args[index].toLowerCase().equals("-url") && index + 1 < args.length) { urlString = args[++index]; } else if (args[index].toLowerCase().equals("-key") && index + 1 < args.length) { serviceKey = args[++index]; } else if (args[index].toLowerCase().equals("-id") && index + 1 < args.length) { serviceKey = args[++index]; } else if (args[index].toLowerCase().equals("-callback") && index + 1 < args.length) { callback = args[++index]; } else if (args[index].toLowerCase().equals("-xslurl") && index + 1 < args.length) { xslURLString = args[++index]; } else if (args[index].toLowerCase().equals("-method") && index + 1 < args.length) { method = args[++index]; } else if (args[index].toLowerCase().equals("-username") && index + 1 < args.length) { username = args[++index]; } else if (args[index].toLowerCase().equals("-password") && index + 1 < args.length) { password = args[++index]; } else if (args[index].toLowerCase().equals("-urlparams") && index + 1 < args.length) { urlParams = args[++index]; } else if (args[index].toLowerCase().equals("-config") && index + 1 < args.length) { configURLString = args[++index]; } else if (args[index].toLowerCase().equals("-resources") && index + 1 < args.length) { resourceBase = args[++index]; } index++; } if (serviceKey != null) { try { InputStream is = (new URL(configURLString)).openStream(); JSONObject services = loadServices(is); JSONObject service = services.getJSONObject(serviceKey); // default to the service default if no url parameters are specified if (urlParams == null && service.has("defaultURLParams")) { urlParams = service.getString("defaultURLParams"); } String serviceURL = service.getString("url"); // build the URL properly if (urlParams != null && serviceURL.indexOf("?") == -1){ serviceURL += "?"; } else if (urlParams != null){ serviceURL += "&"; } String apiKey = ""; if (service.has("apikey")) apiKey = service.getString("apikey"); urlString = serviceURL + apiKey + "&" + urlParams; if (service.has("xslStyleSheet")) { xslURLString = service.getString("xslStyleSheet"); // check if the url is correct of if to load from the classpath } } catch (Exception ex) { getLogger().severe("XmlHttpProxy Error loading service: " + ex); System.exit(1); } } else if (urlString == null) { System.out.println(USAGE); System.exit(1); } // The parameters are feed to the XSL Stylsheet during transformation. // These parameters can provided data or conditional information. Map paramsMap = new HashMap(); if (format != null) { paramsMap.put("format", format); } if (callback != null) { paramsMap.put("callback", callback); } if (xslURLString != null) { URL xslURL = new URL(xslURLString); if (xslURL != null) { xslInputStream = xslURL.openStream(); } else { getLogger().severe("Error: Unable to locate XSL at URL " + xslURLString); } } xhp.processRequest(urlString, System.out, xslInputStream, paramsMap, null, method, username, password); } public static Logger getLogger() { if (logger == null) { logger = Logger.getLogger("jmaki.xhp.Log"); } return logger; } public static JSONObject loadServices(InputStream is) { JSONObject config = null; JSONObject services = new JSONObject(); try { config = loadJSONObject(is).getJSONObject("xhp"); JSONArray sA = config.getJSONArray("services"); for (int l=0; l < sA.length(); l++) { JSONObject value = sA.getJSONObject(l); String key = value.getString("id"); services.put(key,value); } } catch (Exception ex) { getLogger().severe("XmlHttpProxy error loading services." + ex); } return services; } public static JSONObject loadJSONObject(InputStream in) { ByteArrayOutputStream out = null; try { byte[] buffer = new byte[1024]; int read = 0; out = new ByteArrayOutputStream(); while (true) { read = in.read(buffer); if (read <= 0) break; out.write(buffer, 0, read ); } return new JSONObject(out.toString()); } catch (Exception e) { getLogger().severe("XmlHttpProxy error reading in json " + e); } finally { try { if (in != null) { in.close(); } if (out != null) { out.flush(); out.close(); } } catch (Exception e) { } } return null; } }
XmlHttpProxyServlet
/* Copyright 2007 You may not modify, use, reproduce, or distribute this software except in compliance with the terms of the License at: http://developer.sun.com/berkeley_license.html $Id: XmlHttpProxyServlet.java 2660 2008-10-29 14:40:28Z heiko.braun@jboss.com $ */ package jmaki.xhp; import java.io.*; import java.util.*; import java.net.URL; import java.net.URLConnection; import java.util.logging.*; import javax.servlet.*; import javax.servlet.http.*; import org.json.*; /** XmlHttpProxyServlet * @author Greg Murray */ public class XmlHttpProxyServlet extends HttpServlet { public static String REMOTE_USER = "REMOTE_USER"; private static String XHP_LAST_MODIFIED = "xhp_last_modified_key"; private static String XHP_CONFIG = "xhp.json"; private static boolean allowXDomain = false; private static boolean requireSession = false; private static boolean createSession = false; private static String responseContentType = "application/json;charset=UTF-8"; private static boolean rDebug = false; private Logger logger = null; private XmlHttpProxy xhp = null; private ServletContext ctx; private JSONObject services = null; private String resourcesDir = "/resources/"; private String classpathResourcesDir = "/META-INF/resources/"; private String headerToken = "jmaki-"; private String testToken = "xtest-"; public XmlHttpProxyServlet() { if (rDebug) { logger = getLogger(); } } public void init(ServletConfig config) throws ServletException { super.init(config); ctx = config.getServletContext(); // set the response content type if (ctx.getInitParameter("responseContentType") != null) { responseContentType = ctx.getInitParameter("responseContentType"); } // allow for resources dir over-ride at the xhp level otherwise allow // for the jmaki level resources if (ctx.getInitParameter("jmaki-xhp-resources") != null) { resourcesDir = ctx.getInitParameter("jmaki-xhp-resources"); } else if (ctx.getInitParameter("jmaki-resources") != null) { resourcesDir = ctx.getInitParameter("jmaki-resources"); } // allow for resources dir over-ride if (ctx.getInitParameter("jmaki-classpath-resources") != null) { classpathResourcesDir = ctx.getInitParameter("jmaki-classpath-resources"); } String requireSessionString = ctx.getInitParameter("requireSession"); if (requireSessionString == null) requireSessionString = ctx.getInitParameter("jmaki-requireSession"); if (requireSessionString != null) { if ("false".equals(requireSessionString)) { requireSession = false; getLogger().severe("XmlHttpProxyServlet: intialization. Session requirement disabled."); } else if ("true".equals(requireSessionString)) { requireSession = true; getLogger().severe("XmlHttpProxyServlet: intialization. Session requirement enabled."); } } String xdomainString = ctx.getInitParameter("allowXDomain"); if (xdomainString == null) xdomainString = ctx.getInitParameter("jmaki-allowXDomain"); if (xdomainString != null) { if ("true".equals(xdomainString)) { allowXDomain = true; getLogger().severe("XmlHttpProxyServlet: intialization. xDomain access is enabled."); } else if ("false".equals(xdomainString)) { allowXDomain = false; getLogger().severe("XmlHttpProxyServlet: intialization. xDomain access is disabled."); } } String createSessionString = ctx.getInitParameter("jmaki-createSession"); if (createSessionString != null) { if ("true".equals(createSessionString)) { createSession = true; getLogger().severe("XmlHttpProxyServlet: intialization. create session is enabled."); } else if ("false".equals(xdomainString)) { createSession = false; getLogger().severe("XmlHttpProxyServlet: intialization. create session is disabled."); } } // if there is a proxyHost and proxyPort specified create an HttpClient with the proxy String proxyHost = ctx.getInitParameter("proxyHost"); String proxyPortString = ctx.getInitParameter("proxyPort"); if (proxyHost != null && proxyPortString != null) { int proxyPort = 8080; try { proxyPort= new Integer(proxyPortString).intValue(); xhp = new XmlHttpProxy(proxyHost, proxyPort); } catch (NumberFormatException nfe) { getLogger().severe("XmlHttpProxyServlet: intialization error. The proxyPort must be a number"); throw new ServletException("XmlHttpProxyServlet: intialization error. The proxyPort must be a number"); } } else { xhp = new XmlHttpProxy(); } } private void getServices(HttpServletResponse res) { InputStream is = null; try { URL url = ctx.getResource(resourcesDir + XHP_CONFIG); // use classpath if not found locally. //if (url == null) url = XmlHttpProxyServlet.class.getResource(classpathResourcesDir + XHP_CONFIG); if (url == null) url = XmlHttpProxyServlet.class.getResource(XHP_CONFIG); // same package is = url.openStream(); } catch (Exception ex) { try { getLogger().severe("XmlHttpProxyServlet error loading xhp.json : " + ex); PrintWriter writer = res.getWriter(); writer.write("XmlHttpProxyServlet Error: Error loading xhp.json. Make sure it is available in the /resources directory of your applicaton."); writer.flush(); } catch (Exception iox) {} } services = xhp.loadServices(is); } public void doDelete(HttpServletRequest req, HttpServletResponse res) { doProcess(req,res, XmlHttpProxy.DELETE); } public void doGet(HttpServletRequest req, HttpServletResponse res) { doProcess(req,res, XmlHttpProxy.GET); } public void doPost(HttpServletRequest req, HttpServletResponse res) { doProcess(req,res, XmlHttpProxy.POST); } public void doPut(HttpServletRequest req, HttpServletResponse res) { doProcess(req,res, XmlHttpProxy.PUT); } public void doProcess(HttpServletRequest req, HttpServletResponse res, String method) { boolean isPost = XmlHttpProxy.POST.equals(method); StringBuffer bodyContent = null; OutputStream out = null; PrintWriter writer = null; String serviceKey = null; try { BufferedReader in = req.getReader(); String line = null; while ((line = in.readLine()) != null) { if (bodyContent == null) bodyContent = new StringBuffer(); bodyContent.append(line); } } catch (Exception e) { } try { HttpSession session = null; // it really does not make sense to use create session with require session as // the create session will always result in a session created and the requireSession // will always succeed. Leaving the logic for now. if (createSession) { session = req.getSession(true); } if (requireSession) { // check to see if there was a session created for this request // if not assume it was from another domain and blow up // Wrap this to prevent Portlet exeptions session = req.getSession(false); if (session == null) { res.setStatus(HttpServletResponse.SC_FORBIDDEN); return; } } serviceKey = req.getParameter("id"); // only to preven regressions - Remove before 1.0 if (serviceKey == null) serviceKey = req.getParameter("key"); // check if the services have been loaded or if they need to be reloaded if (services == null || configUpdated()) { getServices(res); } String urlString = null; String xslURLString = null; String userName = null; String password = null; String format = "json"; String callback = req.getParameter("callback"); String urlParams = req.getParameter("urlparams"); String countString = req.getParameter("count"); boolean passthrough = false; // encode the url to prevent spaces from being passed along if (urlParams != null) { urlParams = urlParams.replace(' ', '+'); } // get the headers to pass through Map headers = null; // Forward all request headers starting with the header token jmaki- // and chop off the jmaki- Enumeration hnum = req.getHeaderNames(); // test hack while (hnum.hasMoreElements()) { String name = (String)hnum.nextElement(); if (name.startsWith(headerToken)) { if (headers == null) headers = new HashMap(); String value = ""; // handle multi-value headers Enumeration vnum = req.getHeaders(name); while (vnum.hasMoreElements()) { value += (String)vnum.nextElement(); if (vnum.hasMoreElements()) value += ";"; } String sname = name.substring(headerToken.length(), name.length()); headers.put(sname,value); } else if(name.startsWith(testToken)) { // hack test capabilities for authentication if("xtest-user".equals(name)) userName = req.getHeader("xtest-user"); if("xtest-pass".equals(name)) password = req.getHeader("xtest-pass"); } } try { String actualServiceKey = serviceKey != null ? serviceKey : "default"; if (services.has(actualServiceKey)) { JSONObject service = services.getJSONObject(actualServiceKey); String serviceURL = service.getString("url"); if(null==serviceURL) throw new IllegalArgumentException("xhp.json: service url is mising"); if (service.has("passthrough")) passthrough = Boolean.valueOf(service.getString("passthrough")); if (service.has("username")) userName = service.getString("username"); if (service.has("password")) password = service.getString("password"); String apikey = ""; if (service.has("apikey")) apikey = service.getString("apikey"); if (service.has("xslStyleSheet")) xslURLString = service.getString("xslStyleSheet"); // default to the service default if no url parameters are specified if(!passthrough) { if (urlParams == null && service.has("defaultURLParams")) { urlParams = service.getString("defaultURLParams"); } // build the URL if (urlParams != null && serviceURL.indexOf("?") == -1){ serviceURL += "?"; } else if (urlParams != null) { serviceURL += "&"; } urlString = serviceURL + apikey; if (urlParams != null) urlString += "&" + urlParams; } if(passthrough) { // override service url and url params String path = req.getPathInfo(); path = path.substring(path.indexOf("xhp/")+3, path.length()); urlString = serviceURL + path + "?" + req.getQueryString(); } } else { writer = res.getWriter(); if (serviceKey == null) writer.write("XmlHttpProxyServlet Error: id parameter specifying serivce required."); else writer.write("XmlHttpProxyServlet Error : service for id '" + serviceKey + "' not found."); writer.flush(); return; } } catch (Exception ex) { getLogger().severe("XmlHttpProxyServlet Error loading service: " + ex); res.setStatus(500); } Map paramsMap = new HashMap(); paramsMap.put("format", format); // do not allow for xdomain unless the context level setting is enabled. if (callback != null && allowXDomain) { paramsMap.put("callback", callback); } if (countString != null) { paramsMap.put("count", countString); } InputStream xslInputStream = null; if (urlString == null) { writer = res.getWriter(); writer.write("XmlHttpProxyServlet parameters: id[Required] urlparams[Optional] format[Optional] callback[Optional]"); writer.flush(); return; } // support for session properties and also authentication name if (urlString.indexOf("${") != -1) { urlString = processURL(urlString, req, res); } // default to JSON res.setContentType(responseContentType); out = res.getOutputStream(); // get the stream for the xsl stylesheet if (xslURLString != null) { // check the web root for the resource URL xslURL = null; xslURL = ctx.getResource(resourcesDir + "xsl/"+ xslURLString); // if not in the web root check the classpath if (xslURL == null) { xslURL = XmlHttpProxyServlet.class.getResource(classpathResourcesDir + "xsl/" + xslURLString); } if (xslURL != null) { xslInputStream = xslURL.openStream(); } else { String message = "Could not locate the XSL stylesheet provided for service id " + serviceKey + ". Please check the XMLHttpProxy configuration."; getLogger().severe(message); res.setStatus(500); try { out.write(message.getBytes()); out.flush(); return; } catch (java.io.IOException iox){ } } } if (!isPost) { xhp.processRequest(urlString, out, xslInputStream, paramsMap, headers, method, userName, password); } else { final String content = bodyContent != null ? bodyContent.toString() : ""; if (bodyContent == null) getLogger().info("XmlHttpProxyServlet attempting to post to url " + urlString + " with no body content"); xhp.doPost(urlString, out, xslInputStream, paramsMap, headers, content, req.getContentType(), userName, password); } } catch (Exception iox) { iox.printStackTrace(); getLogger().severe("XmlHttpProxyServlet: caught " + iox); res.setStatus(500); /*try { writer = res.getWriter(); writer.write("XmlHttpProxyServlet error loading service for " + serviceKey + " . Please notify the administrator."); writer.flush(); } catch (java.io.IOException ix) { ix.printStackTrace(); }*/ return; } finally { try { if (out != null) out.close(); if (writer != null) writer.close(); } catch (java.io.IOException iox){} } } /* Allow for a EL style replacements in the serviceURL * * The constant REMOTE_USER will replace the contents of ${REMOTE_USER} * with the return value of request.getRemoteUserver() if it is not null * otherwise the ${REMOTE_USER} is replaced with a blank. * * If you use ${session.somekey} the ${session.somekey} will be replaced with * the String value of the session varialble somekey or blank if the session key * does not exist. * */ private String processURL(String url, HttpServletRequest req, HttpServletResponse res) { String serviceURL = url; int start = url.indexOf("${"); int end = url.indexOf("}", start); if (end != -1) { String prop = url.substring(start + 2, end).trim(); // no matter what we will remove the ${} // default to blank like the JSP EL String replace = ""; if (REMOTE_USER.equals(prop)) { if (req.getRemoteUser() != null) replace = req.getRemoteUser(); } if (prop.toLowerCase().startsWith("session.")) { String sessionKey = prop.substring("session.".length(), prop.length()); if (req.getSession().getAttribute(sessionKey) != null) { // force to a string replace = req.getSession().getAttribute(sessionKey).toString(); } } serviceURL = serviceURL.substring(0, start) + replace + serviceURL.substring(end + 1, serviceURL.length()); } // call recursively to process more than one instance of a ${ in the serviceURL if (serviceURL.indexOf("${") != -1) serviceURL = processURL(serviceURL, req, res); return serviceURL; } /** * Check to see if the configuration file has been updated so that it may be reloaded. */ private boolean configUpdated() { try { URL url = ctx.getResource(resourcesDir + XHP_CONFIG); URLConnection con; if (url == null) return false ; con = url.openConnection(); long lastModified = con.getLastModified(); long XHP_LAST_MODIFIEDModified = 0; if (ctx.getAttribute(XHP_LAST_MODIFIED) != null) { XHP_LAST_MODIFIEDModified = ((Long)ctx.getAttribute(XHP_LAST_MODIFIED)).longValue(); } else { ctx.setAttribute(XHP_LAST_MODIFIED, new Long(lastModified)); return false; } if (XHP_LAST_MODIFIEDModified < lastModified) { ctx.setAttribute(XHP_LAST_MODIFIED, new Long(lastModified)); return true; } } catch (Exception ex) { getLogger().severe("XmlHttpProxyServlet error checking configuration: " + ex); } return false; } public Logger getLogger() { if (logger == null) { logger = Logger.getLogger("jmaki.services.xhp.Log"); } return logger; } private void logMessage(String message) { if (rDebug) { getLogger().info(message); } } }
HttpClient
/* Copyright 2006-2008 Sun Microsystems, Inc. All rights reserved. You may not modify, use, reproduce, or distribute this software except in compliance with the terms of the License at: http://developer.sun.com/berkeley_license.html $Id: HttpClient.java 2631 2008-10-27 17:25:05Z heiko.braun@jboss.com $ */package jmaki.xhp; import java.io.*; import java.util.Map; import java.util.Iterator; import java.net.*; import java.util.logging.*; import java.security.Security; /** * @author Yutaka Yoshida, Greg Murray * * Minimum set of HTTPclient supporting both http and https. * It's aslo capable of POST, but it doesn't provide doGet because * the caller can just read the inputstream. */ public class HttpClient { private static Logger logger; private String proxyHost = null; private int proxyPort = -1; private boolean isHttps = false; private boolean isProxy = false; private HttpURLConnection urlConnection = null; private Map headers; /** * @param phost PROXY host name * @param pport PROXY port string * @param url URL string * @param headers Map */ public HttpClient( String phost, int pport, String url, Map headers, String method) throws MalformedURLException { if (phost != null && pport != -1) { this.isProxy = true; } this.proxyHost = phost; this.proxyPort = pport; if (url.trim().startsWith("https:")) { isHttps = true; } this.urlConnection = getURLConnection(url); try { this.urlConnection.setRequestMethod(method); } catch (java.net.ProtocolException pe) { HttpClient.getLogger().severe("Unable protocol method to " + method + " : " + pe); } this.headers = headers; // seat headers if (headers != null) { Iterator it = headers.keySet().iterator(); if (it != null) { while (it.hasNext()) { String key = (String)it.next(); String value = (String)headers.get(key); this.urlConnection.setRequestProperty (key, value); } } } } /** * @param phost PROXY host name * @param pport PROXY port string * @param url URL string * @param headers Map * @param userName string * @param password string */ public HttpClient(String phost, int pport, String url, Map headers, String method, String userName, String password) throws MalformedURLException { try { if (phost != null && pport != -1) { this.isProxy = true; } this.proxyHost = phost; this.proxyPort = pport; if (url.trim().startsWith("https:")) { isHttps = true; } this.urlConnection = getURLConnection(url); try { this.urlConnection.setRequestMethod(method); } catch (java.net.ProtocolException pe) { HttpClient.getLogger().severe("Unable protocol method to " + method + " : " + pe); } // set basic authentication information String auth = userName + ":" + password; String encoded = new sun.misc.BASE64Encoder().encode (auth.getBytes()); // set basic authorization this.urlConnection.setRequestProperty ("Authorization", "Basic " + encoded); this.headers = headers; // seat headers if (headers != null) { Iterator it = headers.entrySet().iterator(); if (it != null) { while (it.hasNext()) { String key = (String)it.next(); String value = (String)headers.get(key); this.urlConnection.setRequestProperty (key, value); } } } } catch (Exception ex) { HttpClient.getLogger().severe("Unable to set basic authorization for " + userName + " : " +ex); } } /** * private method to get the URLConnection * @param str URL string */ private HttpURLConnection getURLConnection(String str) throws MalformedURLException { try { if (isHttps) { /* when communicating with the server which has unsigned or invalid * certificate (https), SSLException or IOException is thrown. * the following line is a hack to avoid that */ Security.addProvider(new com.sun.net.ssl.internal.ssl.Provider()); System.setProperty("java.protocol.handler.pkgs", "com.sun.net.ssl.internal.www.protocol"); if (isProxy) { System.setProperty("https.proxyHost", proxyHost); System.setProperty("https.proxyPort", proxyPort + ""); } } else { if (isProxy) { System.setProperty("http.proxyHost", proxyHost); System.setProperty("http.proxyPort", proxyPort + ""); } } URL url = new URL(str); HttpURLConnection uc = (HttpURLConnection)url.openConnection(); // if this header has not been set by a request set the user agent. if (headers == null || (headers != null && headers.get("user-agent") == null)) { // set user agent to mimic a common browser String ua="Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; .NET CLR 1.1.4322)"; uc.setRequestProperty("user-agent", ua); } return uc; } catch (MalformedURLException me) { throw new MalformedURLException(str + " is not a valid URL"); } catch (Exception e) { throw new RuntimeException("Unknown error creating UrlConnection: " + e); } } /** * returns the inputstream from URLConnection * @return InputStream */ public InputStream getInputStream() { try { // logger doesnt work, because it writes to stderr, // which causes GwtTest to interpret it as failure System.out.println( this.urlConnection.getRequestMethod()+ " " + this.urlConnection.getURL() +": "+ this.urlConnection.getResponseCode() ); return (this.urlConnection.getInputStream()); } catch (Exception e) { e.printStackTrace(); return null; } } /** * return the OutputStream from URLConnection * @return OutputStream */ public OutputStream getOutputStream() { try { return (this.urlConnection.getOutputStream()); } catch (Exception e) { e.printStackTrace(); return null; } } /** * posts data to the inputstream and returns the InputStream. * @param postData data to be posted. must be url-encoded already. * @param contentType allows you to set the contentType of the request. * @return InputStream input stream from URLConnection */ public InputStream doPost(String postData, String contentType) { this.urlConnection.setDoOutput(true); if (contentType != null) this.urlConnection.setRequestProperty( "Content-type", contentType ); OutputStream os = this.getOutputStream(); PrintStream ps = new PrintStream(os); ps.print(postData); ps.close(); return (this.getInputStream()); } public String getContentEncoding() { if (this.urlConnection == null) return null; return (this.urlConnection.getContentEncoding()); } public int getContentLength() { if (this.urlConnection == null) return -1; return (this.urlConnection.getContentLength()); } public String getContentType() { if (this.urlConnection == null) return null; return (this.urlConnection.getContentType()); } public long getDate() { if (this.urlConnection == null) return -1; return (this.urlConnection.getDate()); } public String getHeader(String name) { if (this.urlConnection == null) return null; return (this.urlConnection.getHeaderField(name)); } public long getIfModifiedSince() { if (this.urlConnection == null) return -1; return (this.urlConnection.getIfModifiedSince()); } public static Logger getLogger() { if (logger == null) { logger = Logger.getLogger("jmaki.xhp.Log"); } return logger; } }
- XmlHttpProxy.rar (10.6 KB)
- 下载次数: 4
发表评论
-
Java中byte与16进制字符串的互相转换
2014-09-07 07:43 764Java中byte用二进制表示占用8位,而我们知道16进制 ... -
SynchronizedMap和ConcurrentHashMap的深入分析
2014-06-19 10:33 636在开始之前,先介绍下Map是什么? javadoc中对M ... -
多线程下使用 SimpleDateFormat 的问题
2014-03-18 12:38 792最近用到多线程写通信服务,发现在解析时间是一直莫名的错误, ... -
java内存限制
2012-07-12 20:38 944回顾一下java内存限制的几个参数的具体含义 -Xm ... -
UTC GMT CST时间
2012-07-05 15:59 2553GMT(Greenwich Mean Time,格林威治 ... -
java 操作 excel 2010
2012-03-14 15:28 1665前段时间,需要进行excel2010数据的解析。先是找组件, ... -
FLEX权限--使用RemoteObject交互结合spring AOP控制项目权限教程
2012-03-04 16:55 861FLEX使用remoteobject交互结合sprin ... -
iBatis中的insert如何返回个类数据库的主键
2012-02-24 11:03 1010<SPAN style="COLOR: #ff ... -
java.util.ConcurrentModificationException异常
2012-01-14 12:59 9761、 今天在写一个带缓 ... -
JAVA中ArrayList 与 Vector 的线程安全问题
2012-01-13 18:45 3675JAVA中ArrayList是否允许两个线程同时进行插入和删除 ... -
java calendar
2011-12-22 16:27 1747import java.text.DateFormat; ... -
Servlet中init-param and content-param
2011-11-08 08:56 845Servlet中init-param and content- ... -
HttpRequestProxy 请求代理 post方法
2011-10-28 15:31 4338* * * * Title: Ht ... -
HttpRequestProxy 请求代理 post方法
2011-10-28 15:30 1405写道 * * * * Title: HttpR ... -
super.init(config)
2011-08-22 11:45 3023servlet的init(ServletConfig conf ... -
URL工具类
2011-08-18 14:45 1024package ssh.util; import ...
相关推荐
资源内项目源码是来自个人的毕业设计,代码都测试ok,包含源码、数据集、可视化页面和部署说明,可产生核心指标曲线图、混淆矩阵、F1分数曲线、精确率-召回率曲线、验证集预测结果、标签分布图。都是运行成功后才上传资源,毕设答辩评审绝对信服的保底85分以上,放心下载使用,拿来就能用。包含源码、数据集、可视化页面和部署说明一站式服务,拿来就能用的绝对好资源!!! 项目备注 1、该资源内项目代码都经过测试运行成功,功能ok的情况下才上传的,请放心下载使用! 2、本项目适合计算机相关专业(如计科、人工智能、通信工程、自动化、电子信息等)的在校学生、老师或者企业员工下载学习,也适合小白学习进阶,当然也可作为毕设项目、课程设计、大作业、项目初期立项演示等。 3、如果基础还行,也可在此代码基础上进行修改,以实现其他功能,也可用于毕设、课设、作业等。 下载后请首先打开README.txt文件,仅供学习参考, 切勿用于商业用途。
【项目资源】: 适用于从基础到高级的各种项目,特别是在性能要求较高的场景中,比如操作系统开发、嵌入式编程和底层系统编程。如果您是初学者,可以从简单的控制台程序开始练习;如果是进阶开发者,可以尝试涉及硬件或网络的项目。 【项目质量】: 所有源码都经过严格测试,可以直接运行。 功能在确认正常工作后才上传。 【适用人群】: 适用于希望学习不同技术领域的小白或进阶学习者。 可作为毕设项目、课程设计、大作业、工程实训或初期项目立项。 【附加价值】: 项目具有较高的学习借鉴价值,也可直接拿来修改复刻。 对于有一定基础或热衷于研究的人来说,可以在这些基础代码上进行修改和扩展,实现其他功能。 【沟通交流】: 有任何使用上的问题,欢迎随时与博主沟通,博主会及时解答。 鼓励下载和使用,并欢迎大家互相学习,共同进步。 # 注意 1. 本资源仅用于开源学习和技术交流。不可商用等,一切后果由使用者承担。 2. 部分字体以及插图等来自网络,若是侵权请联系删除。
模型权重文件介绍 1. 基于开源数据集训练,训练集包含15000+图片,训练100 epochs 2. 基于YOLO11x模型进行的训练 3. 模型识别类别有2类:helmet、no-helmet
ARM仿真器快速使用资料+绿色版软件 附视频-20210701.zip
内容概要:本文详细介绍了QY20B型汽车起重机液压系统的设计过程,涵盖其背景、发展史、主要运动机构及其液压回路设计。文章首先概述了汽车起重机的分类和发展历程,强调了液压技术在现代起重机中的重要性。接着,文章深入分析了QY20B型汽车起重机的五大主要运动机构(支腿、回转、伸缩、变幅、起升)的工作原理及相应的液压回路设计。每个回路的设计均考虑了性能要求、功能实现及工作原理,确保系统稳定可靠。此外,文章还详细计算了支腿油缸的受力、液压元件的选择及液压系统的性能验算,确保设计的可行性和安全性。 适合人群:从事工程机械设计、液压系统设计及相关领域的工程师和技术人员,以及对起重机技术感兴趣的高等院校学生和研究人员。 使用场景及目标:①为从事汽车起重机液压系统设计的工程师提供详细的参考案例;②帮助技术人员理解和掌握液压系统设计的关键技术和计算方法;③为高等院校学生提供学习和研究起重机液压系统设计的实用资料。 其他说明:本文不仅提供了详细的液压系统设计过程,还结合了实际工程应用,确保设计的实用性和可靠性。文中引用了大量参考文献,确保设计依据的科学性和权威性。阅读本文有助于读者深入了解汽车起重机液压系统的设计原理和实现方法,为实际工程应用提供有力支持。
Unity Beautify 3 - Advanced Post Processing 23.0版本
基于数据包络分析的中国旅游业发展效率特征
【项目资源】: 物联网项目适用于从基础到高级的各种项目,特别是在性能要求较高的场景中,比如操作系统开发、嵌入式编程和底层系统编程。如果您是初学者,可以从简单的控制台程序开始练习;如果是进阶开发者,可以尝试涉及硬件或网络的项目。 【项目质量】: 所有源码都经过严格测试,可以直接运行。 功能在确认正常工作后才上传。 【适用人群】: 适用于希望学习不同技术领域的小白或进阶学习者。 可作为毕设项目、课程设计、大作业、工程实训或初期项目立项。 【附加价值】: 项目具有较高的学习借鉴价值,也可直接拿来修改复刻。 对于有一定基础或热衷于研究的人来说,可以在这些基础代码上进行修改和扩展,实现其他功能。 【沟通交流】: 有任何使用上的问题,欢迎随时与博主沟通,博主会及时解答。 鼓励下载和使用,并欢迎大家互相学习,共同进步。 # 注意 1. 本资源仅用于开源学习和技术交流。不可商用等,一切后果由使用者承担。 2. 部分字体以及插图等来自网络,若是侵权请联系删除。
# 基于蓝牙技术的多通道键盘 ## 项目简介 在多设备工作环境中,用户常常需要在家庭电脑、工作笔记本或平板电脑之间频繁切换键盘输入,这不仅占用了大量桌面空间,而且操作不便。本项目旨在通过蓝牙技术,设计一款能够同时连接多个设备并实现一键切换的多通道键盘,从而简化用户的操作流程,提高工作效率。 ## 项目的主要特性和功能 1. 多设备连接键盘可以同时连接多达三个不同的设备。 2. 一键切换通过按键即可快速切换输入目标设备。 3. 高性能微控制器采用ATMega32u4微控制器,提供足够的GPIO引脚,支持Arduino编程环境,便于固件开发和升级。 4. 蓝牙模块使用RN42蓝牙模块,确保稳定的设备连接和数据传输。 5. 电压调节器使用MIC4680电压调节器,确保系统稳定供电。 ## 安装使用步骤 1. 硬件准备 获取ATMega32u4微控制器、RN42蓝牙模块、MIC4680电压调节器等硬件组件。 2. 电路设计
【项目资源】: 单片机项目适用于从基础到高级的各种项目,特别是在性能要求较高的场景中,比如操作系统开发、嵌入式编程和底层系统编程。如果您是初学者,可以从简单的控制台程序开始练习;如果是进阶开发者,可以尝试涉及硬件或网络的项目。 【项目质量】: 所有源码都经过严格测试,可以直接运行。 功能在确认正常工作后才上传。 【适用人群】: 适用于希望学习不同技术领域的小白或进阶学习者。 可作为毕设项目、课程设计、大作业、工程实训或初期项目立项。 【附加价值】: 项目具有较高的学习借鉴价值,也可直接拿来修改复刻。 对于有一定基础或热衷于研究的人来说,可以在这些基础代码上进行修改和扩展,实现其他功能。 【沟通交流】: 有任何使用上的问题,欢迎随时与博主沟通,博主会及时解答。 鼓励下载和使用,并欢迎大家互相学习,共同进步。 # 注意 1. 本资源仅用于开源学习和技术交流。不可商用等,一切后果由使用者承担。 2. 部分字体以及插图等来自网络,若是侵权请联系删除。
基于Vue.js和SpringBoot的研究生调研管理系统.zip
地理信息文件,许昌市各县区政区图,shp格式,可编辑
资源内项目源码是来自个人的毕业设计,代码都测试ok,包含源码、数据集、可视化页面和部署说明,可产生核心指标曲线图、混淆矩阵、F1分数曲线、精确率-召回率曲线、验证集预测结果、标签分布图。都是运行成功后才上传资源,毕设答辩评审绝对信服的保底85分以上,放心下载使用,拿来就能用。包含源码、数据集、可视化页面和部署说明一站式服务,拿来就能用的绝对好资源!!! 项目备注 1、该资源内项目代码都经过测试运行成功,功能ok的情况下才上传的,请放心下载使用! 2、本项目适合计算机相关专业(如计科、人工智能、通信工程、自动化、电子信息等)的在校学生、老师或者企业员工下载学习,也适合小白学习进阶,当然也可作为毕设项目、课程设计、大作业、项目初期立项演示等。 3、如果基础还行,也可在此代码基础上进行修改,以实现其他功能,也可用于毕设、课设、作业等。 下载后请首先打开README.txt文件,仅供学习参考, 切勿用于商业用途。
Scratch放飞气球 2024年9月电子学会scratch三级考试真题源代码 综合考查角色添加、背景添加、初始位置、移动步数、方向旋转、造型切换、左右翻转、碰到边缘反弹、无限循环、条件判断、鼠标控制、碰撞检测等积木的使用;难点在于: 如何实现蝙蝠不断移动 如何实现蝙蝠边移动边挥翅膀 如何实现Ripley跟随鼠标移动 如何实现蝙蝠碰到Ripley移到随机位置 充分掌握重复执行和碰撞检测积木的使用 详细解题思路和步骤可以查看博客: https://scratch.blog.csdn.net/article/details/142934767 小兔子编程给小朋友们分享各种少儿编程(Scratch编程、python编程、C++编程等)学习、考级和比赛相关资料;更多少儿编程相关的学习资料,可以访问博主博客 https://blog.csdn.net/frank2102 期待小朋友们相互交流学习,有什么问题,建议或者意见可以直接给博主留言,或者私下,博主看到后会第一时间给到您相应的回复
【项目资源】: 物联网项目适用于从基础到高级的各种项目,特别是在性能要求较高的场景中,比如操作系统开发、嵌入式编程和底层系统编程。如果您是初学者,可以从简单的控制台程序开始练习;如果是进阶开发者,可以尝试涉及硬件或网络的项目。 【项目质量】: 所有源码都经过严格测试,可以直接运行。 功能在确认正常工作后才上传。 【适用人群】: 适用于希望学习不同技术领域的小白或进阶学习者。 可作为毕设项目、课程设计、大作业、工程实训或初期项目立项。 【附加价值】: 项目具有较高的学习借鉴价值,也可直接拿来修改复刻。 对于有一定基础或热衷于研究的人来说,可以在这些基础代码上进行修改和扩展,实现其他功能。 【沟通交流】: 有任何使用上的问题,欢迎随时与博主沟通,博主会及时解答。 鼓励下载和使用,并欢迎大家互相学习,共同进步。 # 注意 1. 本资源仅用于开源学习和技术交流。不可商用等,一切后果由使用者承担。 2. 部分字体以及插图等来自网络,若是侵权请联系删除。
前端分析-2023071100789s102102
【项目资源】: 物联网项目适用于从基础到高级的各种项目,特别是在性能要求较高的场景中,比如操作系统开发、嵌入式编程和底层系统编程。如果您是初学者,可以从简单的控制台程序开始练习;如果是进阶开发者,可以尝试涉及硬件或网络的项目。 【项目质量】: 所有源码都经过严格测试,可以直接运行。 功能在确认正常工作后才上传。 【适用人群】: 适用于希望学习不同技术领域的小白或进阶学习者。 可作为毕设项目、课程设计、大作业、工程实训或初期项目立项。 【附加价值】: 项目具有较高的学习借鉴价值,也可直接拿来修改复刻。 对于有一定基础或热衷于研究的人来说,可以在这些基础代码上进行修改和扩展,实现其他功能。 【沟通交流】: 有任何使用上的问题,欢迎随时与博主沟通,博主会及时解答。 鼓励下载和使用,并欢迎大家互相学习,共同进步。 # 注意 1. 本资源仅用于开源学习和技术交流。不可商用等,一切后果由使用者承担。 2. 部分字体以及插图等来自网络,若是侵权请联系删除。
风玫瑰图的数据包,直接导入即可
# 基于PHP框架的新闻发布系统 ## 项目简介 这是一个基于PHP框架的新闻发布系统,借助PHP和MySQL数据库实现新闻的创建、查看、编辑与删除功能。系统包含前台新闻展示页和后台管理页,管理员可进行新闻的添加、编辑和删除操作,用户则能浏览新闻。 ## 项目的主要特性和功能 1. 采用PHP和MySQL数据库存储与管理新闻数据。 2. 提供用户友好界面,方便用户浏览新闻。 3. 管理员可登录后台管理页对新闻进行添加、编辑和删除操作。 4. 新闻列表页动态生成新闻列表,依据后台数据库数据显示。 5. 新闻详情页展示新闻详细内容,涵盖标题、内容和发布时间。 6. 后台管理页具备新闻管理基本功能,如添加、编辑和删除新闻。 7. 运用MVC(Model View Controller)架构,分离数据和业务逻辑与表示层,提升代码可维护性和可扩展性。 ## 安装使用步骤 1. 下载并解压项目文件。