[examples] update the error-handling example using the new error handle way

Author: cronopio

Diff for: examples/error-handling.js

@@ -1,26 +1,33 @@
-var httpProxy = require('../index');
+var httpProxy = require('../lib/http-proxy'),
+    http = require('http');
 /*
  * Create your proxy server
  */
-var proxyServer = httpProxy.createProxyServer({target:'http://localhost:30404', ws:true});
+var proxy = httpProxy.createProxyServer({target:'http://localhost:30404', ws:true});
 
-// Register an error handler for web requests
-proxyServer.ee.on("http-proxy:outgoing:web:error", function(err, req, res){
-	res.writeHead(502);
-	res.end("There was an error proxying your request");
-});
+var proxyServer = http.createServer(requestHandler);
 
-// Register an error handler for web-socket requests
-proxyServer.ee.on("http-proxy:outgoing:ws:error", function(err, req, socket, head){
-	socket.close();
-});
-
-// You may also use a wild card 
-proxyServer.ee.on("*:*:*:error", function(err, req){
-	console.log("The error event '" + this.event + "' happened errno: " + err.errno);
-});
+function requestHandler(req, res) {
+  // Pass a callback to the web proxy method
+  // and catch the error there.
+  proxy.web(req, res, function (err) {
+    // Now you can get the err
+    // and handle it by your self
+    // if (err) throw err;
+    res.writeHead(502);
+    res.end("There was an error proxying your request");
+  });
 
+  // In a websocket request case
+  req.on('upgrade', function (req, socket, head) {
+    proxy.ws(req, socket, head, function (err) {
+      // Now you can get the err
+      // and handle it by your self
+      // if (err) throw err;
+      socket.close();
+    })
+  })
+}
 
 console.log("Proxy server is listening on port 8000");
-proxyServer.listen(8000);
-
+proxyServer.listen(8000)

Diff for: examples/stand-alone.js

@@ -1,5 +1,5 @@
 var http = require('http'),
-    httpProxy = require('http-proxy');
+    httpProxy = require('../lib/http-proxy');
 //
 // Create your proxy server
 //