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ãŠãŒã¶ãŒããŒã¿ãä¿åããåé¡ã®è§£æ±ºçã¯ãRIAãã©ãããã©ãŒã ïŒRIAã¢ããªã±ãŒã·ã§ã³ãèµ·åããããã®ãã©ãããã©ãŒã ã«äŸåããªãç°å¢ïŒãç ç²ã«ããŠçºçããŸãã ãããã¯ãŒã¯ããããŠã³ããŒããããäžééšåã¯ãããã«ã¢ã¯ã»ã¹ããŠæ å ±ãä¿åããã³èªã¿åããŸãã ããããã¯ãã¯ã©ã€ã¢ã³ãåŽã®ãã£ãã·ã¥ã«ãããå¿ èŠãªå Žåã«ã®ã¿ãµãŒããŒãšã®ããŒã¿ã®éåä¿¡ãå¯èœã«ãªããŸãã äžå®å®ãªæ¥ç¶ã®åé¡ã解決ãããŠããŸãã RIAãã©ãããã©ãŒã ã¯ããŠãŒã¶ãŒã®ã³ã³ãã¥ãŒã¿ãŒã«ã¢ããªã±ãŒã·ã§ã³ãã€ã³ã¹ããŒã«ã§ããŸãã ããã¯ããã£ã¹ã¯ã¹ããŒã¹ãããã°ã©ã ãã¡ã€ã«ã«å²ãåœãŠããããããã¯ãŒã¯ãªãã§èµ·åã§ããããšãæå³ããŸãã ãããã£ãŠãRIAã®äž»ãªç¹åŸŽã¯æ¬¡ã®ãšããã§ãã
- ã¢ããªã±ãŒã·ã§ã³ã®ã¯ã©ã€ã¢ã³ãéšåã¯ãŠãŒã¶ãŒã®ã³ã³ãã¥ãŒã¿ãŒã«ããŠã³ããŒããããŸãããŠãŒã¶ãŒã®ã³ã³ãã¥ãŒã¿ãŒã¯ãµãŒããŒãšã®å¯Ÿè©±ãæ åœãããããã¯ãŒã¯ã«æ¥ç¶ããã«ããŒã¿ããã£ãã·ã¥ããŠäœæ¥ããæ©èœãåããŠããŸãã
- ãã©ãŠã¶ãŸãã¯ãŠã£ã³ããŠã¢ããªã±ãŒã·ã§ã³ãšããŠå®è¡ãããRIAãã©ãããã©ãŒã ã®ã€ã³ã¹ããŒã«ãå¿ èŠã§ãã
ã€ã³ã¿ãŒãããæšæºã®æ®µéçãªéçºã«ãããå®éã«ãã®ãããªæè¡ãå®è£ ãããŠããŸãã çŸæç¹ã§æãæåãªãã®ã¯æ¬¡ã®ãšããã§ãã
圹è·
| 補é äŒç€Ÿ
| çºå£²æ¥
|
Google Web ToolkitïŒGWTïŒ
| Google Inc.
| 2006
|
Adobe Flex / AIR
| Adobe Inc.
| 2008幎
|
Javafx
| ãµã³/ãªã©ã¯ã«
| 2009
|
Silverlight
| ãã€ã¯ããœããæ ªåŒäŒç€Ÿ
| 2007幎
|
Javaã¢ãã¬ãã
| ãµã³/ãªã©ã¯ã«
| 1995
|
è¡š1-æãäžè¬çãªRIAãã¯ãããžãŒ
ãããã®è£œåã®éžæã¯ãã€ã³ã¿ãŒãããã®æ®åãšããŠãŒã¶ãŒãRIAãèµ·åããããã®ã€ã³ã¹ããŒã«æžã¿ãã©ãããã©ãŒã ã®å¯çšæ§ã«ãããã®ã§ãã ãã®èšäºã®ä»¥äžã®ã»ã¯ã·ã§ã³ã§ã¯ãåæè¡ã®äž»ãªæè¡çç¹åŸŽã瀺ãã³ã³ãã¯ããªã¢ããªã±ãŒã·ã§ã³ãäœæããŸãã ããã°ã©ã ã®ã¿ã¹ã¯ã¯ãäžå®æéåŸã«ã¢ããªã±ãŒã·ã§ã³ãµãŒããŒã®è² è·ã®ç°¡åãªçµ±èšãååŸããããããŠãŒã¶ãŒã«è¡šç€ºããããšã§ãã åãªã¯ãšã¹ããžã®å¿çãšããŠããµãŒããŒã¯JSONã«ããã¯ããã次ã®ããŒã¿ãéä¿¡ããŸã ã
- ãµãŒããŒã®ãã¡ã€ã³åã
- å²ãåœãŠãããã¡ã¢ãªã®å šå®¹éã
- 空ãã¡ã¢ãªã®éã
- ã¡ã¢ãªã®æ倧éã
- éå§ãããã¹ã¬ããã®æ°ã
ãããã£ãŠããã¢ã¢ããªã±ãŒã·ã§ã³ã®ã¯ã©ã€ã¢ã³ãéšåã¯ç°ãªãããµãŒããŒåŽã§ã¯JavaãµãŒãã¬ããããªã¯ãšã¹ããåŠçããŸãã
GWTã¢ããªã±ãŒã·ã§ã³
ãã¯ãããžãŒã®ç°¡åãªèª¬æã RIAéçºè ã¯Javaããã°ã©ã ã®ã€ã³ã¿ãŒãã§ãŒã¹ãšããžãã¯ãäœæããGWTã¯ãœãŒã¹ã³ãŒããæ éã«æé©åãããJavaScriptã«ã³ã³ãã€ã«ããŸãã ã¹ã¯ãªãããã¡ã€ã«ã¯WebããŒãžã«æ¥ç¶ããèµ·åæã«ã¢ããªã±ãŒã·ã§ã³ã€ã³ã¿ãŒãã§ã€ã¹ã衚瀺ããŸãã åæã«ããŸããç¹å¥ãªãã©ãŠã¶ãŒãã©ã°ã€ã³ã®åé¡ã解決ãããŸããå®éãGWTã®å ŽåãJavascriptã¹ã¯ãªãããæå¹ã«ããå¿ èŠããããŸãïŒãã¹ãŠã®ææ°ãã©ãŠã¶ãŒããµããŒãããŸãïŒã 第äºã«ãGWTã«ã¯æ¬æ ŒçãªRIAãäœæããããã®ã³ã³ããŒãã³ãã®å€§ããªã©ã€ãã©ãªãããããã®æ°ã¯éçºè ã®å€§èŠæš¡ãªã³ãã¥ããã£ã®ãããã§çµ¶ããå¢å ããŠããŸãã ãããã®ã³ã³ããŒãã³ãã«åºã¥ããŠããã©ãŠã¶ã§åŸæ¥ã®ãŠã£ã³ããŠã€ã³ã¿ãŒãã§ã€ã¹ãäœæã§ããŸãã
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- ããå°ãããããã³ã³ãã¯ããªããã£ãã·ã¥ãããJavaScriptã³ãŒãã䜿çšããŸãã
- IEãFirefoxãMozillaãSafariãããã³Operaã®ãã©ãŠã¶ãŒãèªåçã«ãµããŒãããŸãã
- ã©ã€ãã©ãªã«ã¯ããã©ãŠã¶ã§ä»¥åã«ã¢ã¯ã»ã¹ããããŒãžã®ãªã¹ãã«åŸã£ãŠé·ç§»ã€ãã³ããåŠçããããã®ããŒã«ãå«ãŸããŠããŸãïŒãæ»ãããã¿ã³ïŒã
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- ããã°ã©ã ã³ãŒãã®ãªã¢ãŒãåŒã³åºãã¯ãã¯ã©ã€ã¢ã³ããšãµãŒããŒã®å¯Ÿè©±ïŒRPCãAJAXïŒã«åœ¹ç«ã¡ãŸãã
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- ã€ã³ã¿ãŒãã§ã€ã¹ãã¶ã€ããŒãšã®å¯Ÿè©±ãç°¡çŽ åããéçºè ããŒã«ïŒUIBindïŒã
çæ
- Javaã®å¿ é ç¥èã Webã¢ããªã±ãŒã·ã§ã³ã®äœæã§ãã®èšèªãéåžžã«äººæ°ãããã«ããããããããŠãŒã¶ãŒã€ã³ã¿ãŒãã§ã€ã¹SwingãŸãã¯AWTã®åºæ¬ååãç¥ããªãåå¿è ã«ãšã£ãŠã¯éåžžã«å°é£ã§ãã
- ãã©ãŠã¶éã®äºææ§ã«ã¯èœãšãç©ŽããããŸãã ãã£ã¹ããªãã¥ãŒã·ã§ã³ã®äžéšã§ãããŠãŒã¶ãŒã€ã³ã¿ãŒãã§ã€ã¹ã³ã³ããŒãã³ãã¯åŸ¹åºçã«ãã¹ããããŠããããã¹ãŠã®ãã©ãŠã¶ãŒã§å®éã«åãããã«æ©èœããŸãã ãã ããã³ãã¥ããã£ã¯ãç°ãªãç°å¢ã§ã®åäœã泚æããŠæ±ãå¿ èŠãããæ°ããã³ã³ããŒãã³ãããªãªãŒã¹ããŠããŸãã åé¡ã¯éçºè ã®çµéšã§ãã
- GWTã³ã³ãã€ã©ãŒã®é床ã ããã¯ããœãŒã¹ãžã®ãã¹ãåŒæ°ãšããŠåãJavaèšèªã®å®è¡å¯èœã¯ã©ã¹ã§ãã èè ã®å°ããªãããžã§ã¯ãã§ã¯ãã³ã³ãã€ã«æéã¯2åã«éããŸããã ã¢ããªã±ãŒã·ã§ã³ãèµ·åãã代ããã«ããããžã§ã¯ããã³ã³ãã€ã«ãããŠããªããšãã«ç¹å¥ãªãã¹ãã¢ãŒãã䜿çšã§ããŸãããéžæãããã©ãŠã¶ãŒïŒGWTããŒãžã§ã³2.0ïŒã§ç¹å¥ãªæ¹æ³ã§èµ·åã§ããŸãã ããã«ã1ã€ã®ãã©ãŠã¶ãŒã®ã¿ã§ãããžã§ã¯ããã³ã³ãã€ã«ããæ§æãå€æŽããŠããã«ãæéãççž®ã§ããŸãã
ã¢ããªã±ãŒã·ã§ã³ã³ãŒãã¹ãããã
currentRequest = requestBuilder.sendRequest(query.toString(), new RequestCallback() {
public void onResponseReceived(Request request, Response response) {
pleaseWaitLabel.setVisible(false);
if (response.getStatusCode() == 200 && response.getText() != null && !response.getText().equals("")) {
JSONValue resVal;
JSONObject resObject;
JSONString serverName;
JSONNumber totalMemory;
JSONNumber freeMemory;
JSONNumber maxMemory;
JSONNumber threadCount;
try {
resVal = JSONParser.parse(response.getText());
} catch (JSONException e) {
Window.alert(" . ");
return;
}
if ((resObject = resVal.isObject()) == null) {
Window.alert(" . ");
return;
}
if ((serverName = resObject.get("serverName").isString()) == null) {
Window.alert(" . ");
return;
}
âŠ..............................................................................................................
setServerName(serverName.stringValue());
setTotalMemory(Integer.toString((int) totalMemory.doubleValue()));
setFreeMemory(Integer.toString((int) freeMemory.doubleValue()));
setMaxMemory(Integer.toString((int) maxMemory.doubleValue()));
setThreatCount(Integer.toString((int) threadCount.doubleValue()));
} else {
Window.alert(" . ");
}
}
public void onError(Request request, Throwable exception) {
pleaseWaitLabel.setVisible(false);
Window.alert(" . ");
}
});
Flex / AIRã¢ããªã±ãŒã·ã§ã³
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Flexã§äœæãããRIAã¢ããªã±ãŒã·ã§ã³ã¯ãAdobeFlash®PlayerãœãããŠã§ã¢ã䜿çšããŠãã©ãŠã¶ãŒã§å®è¡ã§ããŸããOSã«ã¯ãã¹ãã©ãããã©ãŒã Adobe AIRâ¢ã¢ããªã±ãŒã·ã§ã³ãããå Žåã¯ãéåžžã®ããã°ã©ã ãšããŠå®è¡ã§ããŸãã ããã«ãããFlexã¢ããªã±ãŒã·ã§ã³ã¯ããã¹ã¯ããããªãã¬ãŒãã£ã³ã°ã·ã¹ãã ã ãã§ãªããå€ãã®äžè¬çãªçš®é¡ã®ãã©ãŠã¶ãŒã§ã®äœæ¥ããµããŒãããŸãã AIRã䜿çšããå ŽåãFlexã¢ããªã±ãŒã·ã§ã³ã¯ããŒã«ã«PCããŒã¿ãšã·ã¹ãã ãªãœãŒã¹ã«ã¢ã¯ã»ã¹ã§ããŸãã ãã ããAIRã»ãã¥ãªãã£ã¢ãã«ã§ã¯ãéé¢ãããç°å¢ã§ã¢ããªã±ãŒã·ã§ã³ãå®è¡ããããšã«ãããŠãŒã¶ãŒæ å ±ãšã·ã¹ãã ãã¡ã€ã«ã®æå·ã¯èš±å¯ãããŸããã Flash Playerããã³Adobe AIRã¯ãAdobe.comããç¡æã§ããŠã³ããŒãã§ããŸãã çŸåšã 99ïŒ ã®PCã«ã¯Flash Playerãææ°ããŒãžã§ã³ïŒ9ãŸãã¯10ïŒã®1ã€ãæèŒãããŠããŸãã ãŠãŒã¶ãŒã€ã³ã¿ãŒãã§ã€ã¹ã¯ãæ¯èŒçã·ã³ãã«ã§çŽæçãªèšèªã§ããMXMLã䜿çšããŠäœæãããŠãããããçµéšè±å¯ãªéçºè ãããã«ç¿åŸã§ããŸãã
çæ
- ActionScriptèšèªã¯ãããšããšã¯Flashscriptã®ã¹ã¯ãªããèšèªã§ããããActionscript 3ã§å€æŽãããŸããããªããžã§ã¯ãæåèšèªãšããŠãJavaã.NETã®éçºè ãåœç¶ãšæã£ãŠããå€ãã®æ©èœãæ¬ ããŠããŸãã
- ãµãŒãããŒãã£ã®ã©ã€ãã©ãªïŒç¹ã«ããªãŒãã³ãœãŒã¹ïŒã®æ°ã¯ãJavaã®å Žåãããæ¡éãã«å°ãªããªã£ãŠããŸãã
- Flex SDKã¯ç¡æã§ãããFlex Builderã®äž»ãªéçºç°å¢ã¯åçšè£œåã§ãã
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<mx:HTTPService
contentType="application/x-www-form-urlencoded"
id="service"
method="GET"
resultFormat="text"
showBusyCursor="true"
url="/status"
fault="httpFault(event)"
result="httpResult(event)"
useProxy="false"
/>
public function httpResult(event:ResultEvent):void {
//get the raw JSON data and cast to String
pleaseWaitLabel.setVisible(false);
var jObj:Object = JParser.decode(event.result.toString());
serverNameValueLabel.text = jObj.serverName;
totalMemoryValueLabel.text = jObj.totalMemory;
freeMemoryValueLabel.text = jObj.freeMemory;
maxMemoryValueLabel.text = jObj.maxMemory;
threadCountValueLabel.text = jObj.threadCount;
}
public function httpFault(event:FaultEvent):void {
Alert.show(" , ");
timer.stop();
}
Javaã¢ãã¬ããã¢ããªã±ãŒã·ã§ã³
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private void updateServerStatus() {
clearStatistics();
pleaseWaitLabel.setVisible(true);
Timer t = new Timer(3000, new AbstractAction() {
public void actionPerformed(ActionEvent actionEvent) {
try {
pleaseWaitLabel.setVisible(false);
URLConnection conn = new URL(url).openConnection();
String json = readStreamToString(conn.getInputStream(), "UTF-8");
JSONObject j = new JSONObject(json);
serverNameValueLabel.setText(j.getString("serverName"));
totalMemoryValueLabel.setText(j.getString("totalMemory"));
freeMemoryValueLabel.setText(j.getString("freeMemory"));
maxMemoryValueLabel.setText(j.getString("maxMemory"));
threadCountValueLabel.setText(j.getString("threadCount"));
} catch (Exception e) {
e.printStackTrace();
}
}
});
t.setRepeats(false);
t.start();
}
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var parser = PullParser {
documentType: PullParser.JSON;
onEvent: function (e: Event) {
if (e.type==PullParser.INTEGER and e.name.equals("freeMemory")) {
freeMemoryValueLabel.text = Integer.toString(e.integerValue);
}
if (e.type==PullParser.INTEGER and e.name.equals("maxMemory")) {
maxMemoryValueLabel.text = Integer.toString(e.integerValue);
}
if (e.type==PullParser.TEXT and e.name.equals("serverName")) {
serverNameValueLabel.text = e.text;
}
if (e.type==PullParser.INTEGER and e.name.equals("threadCount")) {
threadCountValueLabel.text = Integer.toString(e.integerValue);
}
if (e.type==PullParser.INTEGER and e.name.equals("totalMemory")) {
totalMemoryValueLabel.text = Integer.toString(e.integerValue);
}
}
}
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void refreshStatistics(object o, EventArgs sender)
{
WebClient proxy = new WebClient();
proxy.OpenReadCompleted += new OpenReadCompletedEventHandler(proxy_OpenReadCompleted);
proxy.OpenReadAsync(new Uri(uri));
}
void proxy_OpenReadCompleted(object sender, OpenReadCompletedEventArgs e)
{
JsonObject jsObject = (JsonObject)JsonObject.Load(e.Result);
serverNameValueLabel.Text = jsObject["serverName"];
totalMemoryValueLabel.Text = jsObject["totalMemory"].ToString();
freeMemoryValueLabel.Text = jsObject["freeMemory"].ToString();
maxMemoryValueLabel.Text = jsObject["maxMemory"].ToString();
threadCountValueLabel.Text = jsObject["threadCount"].ToString();
}
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