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5
9
10 package org.openlaszlo.connection;
11
12 import java.io.*;
13 import java.util.*;
14 import java.net.*;
15 import java.security.*;
16 import javax.servlet.*;
17 import javax.servlet.http.*;
18 import org.openlaszlo.compiler.*;
19 import org.openlaszlo.data.*;
20 import org.openlaszlo.server.*;
21 import org.openlaszlo.utils.*;
22 import org.apache.log4j.*;
23 import org.jdom.input.*;
24 import org.jdom.*;
25
26 public class ConnectionAgent
27 {
28 private static Logger mLogger = Logger.getLogger(ConnectionAgent.class);
29
30 String  mURL;
31
32 private static Hashtable mAgents = new Hashtable();
33
34 private ConnectionAgent(String url)
35 {
36 try{
37 mURL = url;
38
39 String host = new URL(url).getHost();
40 if (host == null || host.equals(""))
41 throw new RuntimeException ("bad host in url");
42
43 mLogger.debug("Agent " + url);
44
45 } catch (MalformedURLException e) {
46 throw new RuntimeException (e.getMessage());
47 }
48 }
49
50 synchronized static public ConnectionAgent getAgent(String url)
51 {
52 return getAgent(url, true);
53 }
54
55 synchronized static public ConnectionAgent getAgent(String url, boolean create)
56 {
57 ConnectionAgent agent = (ConnectionAgent) mAgents.get(url);
58 if (agent == null && create) {
59 agent = new ConnectionAgent(url);
60 mAgents.put(url, agent);
61 }
62 return agent;
63 }
64
65
66 public String getURL()
67 {
68 return mURL;
69 }
70
71 public String send(String msg) throws IOException {
72 String surl = mURL + "?xml=" + URLEncoder.encode(msg);
73 Data data = null;
74 try {
75 data = HTTPDataSource.getHTTPData(null, null, surl, -1);
76 return data.getAsString();
77 } catch (DataSourceException e) {
78 throw new IOException(e.getMessage());
79 } finally {
80 if (data != null)
81 data.release();
82 }
83 }
84
85 synchronized static public void dumpAgentsXML(StringBuffer buf, boolean details)
86 {
87 Application.dumpTableXML("agent", mAgents, buf, details);
88 }
89
90 public String toString() {
91 return new StringBuffer ("<agent ")
92 .append(" url=\"").append(mURL).append("\"")
93 .append(" />")
94 .toString();
95 }
96 }
97 |
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