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1 package org.lobobrowser.html.js;
2
3 import org.w3c.dom.Document  ;
4 import org.lobobrowser.html.*;
5 import org.lobobrowser.js.*;
6 import org.mozilla.javascript.*;
7 import java.util.logging.*;
8
9 public class XMLHttpRequest extends AbstractScriptableDelegate {
10 private static final Logger logger = Logger.getLogger(XMLHttpRequest.class.getName());
11 private final HttpRequest request;
12 private final UserAgentContext pcontext;
13 private final Scriptable scope;
14 private final java.net.URL codeSource;
15
16 public XMLHttpRequest(UserAgentContext pcontext, java.net.URL codeSource, Scriptable scope) {
17 this.request = pcontext.createHttpRequest();
18 this.pcontext = pcontext;
19 this.scope = scope;
20 this.codeSource = codeSource;
21 }
22
23 public void abort() {
24 request.abort();
25 }
26
27 public String getAllResponseHeaders() {
28 return request.getAllResponseHeaders();
29 }
30
31 public int getReadyState() {
32 return request.getReadyState();
33 }
34
35 public byte[] getResponseBytes() {
36 return request.getResponseBytes();
37 }
38
39 public String getResponseHeader(String headerName) {
40 return request.getResponseHeader(headerName);
41 }
42
43 public String getResponseText() {
44 return request.getResponseText();
45 }
46
47 public Document getResponseXML() {
48 return request.getResponseXML();
49 }
50
51 public int getStatus() {
52 return request.getStatus();
53 }
54
55 public String getStatusText() {
56 return request.getStatusText();
57 }
58
59 public void open(String method, String url, boolean asyncFlag, String userName, String password) {
60 request.open(method, url, asyncFlag, userName, password);
61 }
62
63 public void open(String method, String url, boolean asyncFlag, String userName) {
64 request.open(method, url, asyncFlag, userName);
65 }
66
67 public void open(String method, String url, boolean asyncFlag) {
68 request.open(method, url, asyncFlag);
69 }
70
71 public void open(String method, String url) {
72 request.open(method, url);
73 }
74
75 private Function onreadystatechange;
76 private boolean listenerAdded;
77
78 public Function getOnreadystatechange() {
79 synchronized(this) {
80 return this.onreadystatechange;
81 }
82 }
83
84 public void setOnreadystatechange(final Function value) {
85 synchronized(this) {
86 this.onreadystatechange = value;
87 if(value != null && !this.listenerAdded) {
88 this.request.addReadyStateChangeListener(new ReadyStateChangeListener() {
89 public void readyStateChanged() {
90 java.awt.EventQueue.invokeLater(new Runnable () {
91 public void run() {
92 executeReadyStateChange();
93 }
94 });
95 }
96 });
97 this.listenerAdded = true;
98 }
99 }
100 }
101
102 private void executeReadyStateChange() {
103 try {
105 Function f = XMLHttpRequest.this.getOnreadystatechange();
106 if(f != null) {
107 Context ctx = Executor.createContext(this.codeSource, this.pcontext);
108 try {
109 Scriptable newScope = (Scriptable) JavaScript.getInstance().getJavascriptObject(XMLHttpRequest.this, this.scope);
110 f.call(ctx, newScope, newScope, new Object [0]);
111 } finally {
112 Context.exit();
113 }
114 }
115 } catch(Exception err) {
116 logger.log(Level.WARNING, "Error processing ready state change.", err);
117 }
118 }
119
120 }
121
122 |
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