return serializeJson(Broadcaster(function(){
var clientConnection = getClientConnection(request);
if(response.messages){
body.forEach(function(value){
clientConnection.push({
from: value.pathInfo,
id: request.id,
error: value.status >= 400 ? value.status : undefined,
body: value.body
});
});
}else{
clientConnection.push(response);
}
})(request).body, parameters, request);
return when(body, function(body){
if(!(body instanceof Array)){
body = [body];
}
var responses = [];
var clientConnection = getClientConnection(request);
body.forEach(function(message){
message.__proto__ = request;
if(!("to" in message)){
message.to = "";
}
var pathInfo = message.to.charAt(0) === '/' ? message.to : request.pathInfo.substring(0, request.pathInfo.lastIndexOf('/') + 1) + message.to;
while(lastPath !== pathInfo){
var lastPath = pathInfo;
pathInfo = pathInfo.replace(/\/[^\/]*\/\.\.\//,'/');
}
message.pathInfo = pathInfo;
var response = nextApp(message);
responses.push(response);
when(response, function(response){
response.pathInfo = pathInfo;
if(response.body && typeof response.body.observe === "function"){
clientConnection.expectMore = true;
response.body.observe(function(message){
message.from = message.channel;
clientConnection.send(message);
});
}
});
});
return when(all(responses), function(responses){
return {
status: clientConnection.expectMore ? 202: 200,
headers: {},
messages: true,
body: responses.filter(function(response){
//ignore the observable messages since they indicate that we should keep the connection open and wait for the real message
return !(response.body && typeof response.body.observe === "function");
})
}
});
});