1 files changed, 87 insertions, 0 deletions
diff --git a/vnfmarket/src/main/webapp/vnfmarket/node_modules/http-proxy/examples/middleware/bodyDecoder-middleware.js b/vnfmarket/src/main/webapp/vnfmarket/node_modules/http-proxy/examples/middleware/bodyDecoder-middleware.js
new file mode 100644
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--- /dev/null
+++ b/vnfmarket/src/main/webapp/vnfmarket/node_modules/http-proxy/examples/middleware/bodyDecoder-middleware.js
@@ -0,0 +1,87 @@
+
+var Store = require('../helpers/store')
+  , http = require('http')
+
+http.createServer(new Store().handler()).listen(7531, function () {
+//try these commands:
+// get index:
+// curl localhost:7531
+// []
+//
+// get a doc:
+// curl localhost:7531/foo
+// {"error":"not_found"}
+//
+// post an doc:
+// curl -X POST localhost:7531/foo -d '{"content": "hello", "type": "greeting"}'
+// {"ok":true}
+//
+// get index (now, not empty)
+// curl localhost:7531
+// ["/foo"]
+//
+// get doc 
+// curl localhost:7531/foo
+// {"content": "hello", "type": "greeting"}
+
+//
+// now, suppose we wanted to direct all objects where type == "greeting" to a different store 
+// than where type == "insult"
+//
+// we can use connect connect-bodyDecoder and some custom logic to send insults to another Store.
+
+//insult server:
+
+  http.createServer(new Store().handler()).listen(2600, function () {
+
+  //greetings -> 7531, insults-> 2600 
+
+  // now, start a proxy server.
+
+    var bodyParser = require('connect/lib/middleware/bodyParser')
+    //don't worry about incoming contont type
+    //bodyParser.parse[''] = JSON.parse
+
+    require('../../lib/node-http-proxy').createServer(
+      //refactor the body parser and re-streamer into a separate package
+      bodyParser(),
+      //body parser absorbs the data and end events before passing control to the next
+      // middleware. if we want to proxy it, we'll need to re-emit these events after 
+      //passing control to the middleware.
+      require('connect-restreamer')(),
+      function (req, res, proxy) {
+        //if your posting an obect which contains type: "insult"
+        //it will get redirected to port 2600.
+        //normal get requests will go to 7531 nad will not return insults.
+        var port = (req.body && req.body.type === 'insult' ? 2600 : 7531)
+        proxy.proxyRequest(req, res, {host: 'localhost', port: port})
+      }
+    ).listen(1337, function () {
+      var request = require('request')
+      //bodyParser needs content-type set to application/json
+      //if we use request, it will set automatically if we use the 'json:' field.
+      function post (greeting, type) {
+        request.post({
+          url: 'http://localhost:1337/' + greeting,
+          json: {content: greeting, type: type || "greeting"}
+        })
+      }
+      post("hello")
+      post("g'day")
+      post("kiora")
+      post("houdy")
+      post("java", "insult")
+
+      //now, the insult should have been proxied to 2600
+      
+      //curl localhost:2600
+      //["/java"]
+
+      //but the greetings will be sent to 7531
+
+      //curl localhost:7531
+      //["/hello","/g%27day","/kiora","/houdy"]
+
+    })
+  })
+})