Struts example source code file (RhinoIO.js)

This example Struts source code file (RhinoIO.js) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Java - Struts tags/keywords

content-type, content-type, rhinohttptransport, rhinohttptransport

The Struts RhinoIO.js source code

/*
	Copyright (c) 2004-2006, The Dojo Foundation
	All Rights Reserved.

	Licensed under the Academic Free License version 2.1 or above OR the
	modified BSD license. For more information on Dojo licensing, see:

		http://dojotoolkit.org/community/licensing.shtml
*/



dojo.provide("dojo.io.RhinoIO");
dojo.require("dojo.io.common");
dojo.require("dojo.lang.func");
dojo.require("dojo.lang.array");
dojo.require("dojo.string.extras");
dojo.io.RhinoHTTPTransport = new function () {
	this.canHandle = function (req) {
		if (dojo.lang.find(["text/plain", "text/html", "text/xml", "text/javascript", "text/json", "application/json"], (req.mimetype.toLowerCase() || "")) < 0) {
			return false;
		}
		if (req.url.substr(0, 7) != "http://") {
			return false;
		}
		return true;
	};
	function doLoad(req, conn) {
		var ret;
		if (req.method.toLowerCase() == "head") {
		} else {
			var stream = conn.getContent();
			var reader = new java.io.BufferedReader(new java.io.InputStreamReader(stream));
			var text = "";
			var line = null;
			while ((line = reader.readLine()) != null) {
				text += line;
			}
			if (req.mimetype == "text/javascript") {
				try {
					ret = dj_eval(text);
				}
				catch (e) {
					dojo.debug(e);
					dojo.debug(text);
					ret = null;
				}
			} else {
				if (req.mimetype == "text/json" || req.mimetype == "application/json") {
					try {
						ret = dj_eval("(" + text + ")");
					}
					catch (e) {
						dojo.debug(e);
						dojo.debug(text);
						ret = false;
					}
				} else {
					ret = text;
				}
			}
		}
		req.load("load", ret, req);
	}
	function connect(req) {
		var content = req.content || {};
		var query;
		if (req.sendTransport) {
			content["dojo.transport"] = "rhinohttp";
		}
		if (req.postContent) {
			query = req.postContent;
		} else {
			query = dojo.io.argsFromMap(content, req.encoding);
		}
		var url_text = req.url;
		if (req.method.toLowerCase() == "get" && query != "") {
			url_text = url_text + "?" + query;
		}
		var url = new java.net.URL(url_text);
		var conn = url.openConnection();
		conn.setRequestMethod(req.method.toUpperCase());
		if (req.headers) {
			for (var header in req.headers) {
				if (header.toLowerCase() == "content-type" && !req.contentType) {
					req.contentType = req.headers[header];
				} else {
					conn.setRequestProperty(header, req.headers[header]);
				}
			}
		}
		if (req.contentType) {
			conn.setRequestProperty("Content-Type", req.contentType);
		}
		if (req.method.toLowerCase() == "post") {
			conn.setDoOutput(true);
			var output_stream = conn.getOutputStream();
			var byte_array = (new java.lang.String(query)).getBytes();
			output_stream.write(byte_array, 0, byte_array.length);
		}
		conn.connect();
		doLoad(req, conn);
	}
	this.bind = function (req) {
		var async = req["sync"] ? false : true;
		if (async) {
			setTimeout(dojo.lang.hitch(this, function () {
				connect(req);
			}), 1);
		} else {
			connect(req);
		}
	};
	dojo.io.transports.addTransport("RhinoHTTPTransport");
};