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1 /*
2  * The Apache Software License, Version 1.1
3  *
4  * Copyright (c) 2002 The Apache Software Foundation. All rights
5  * reserved.
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7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
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11  * 1. Redistributions of source code must retain the above copyright
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14  * 2. Redistributions in binary form must reproduce the above copyright
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16  * the documentation and/or other materials provided with the
17  * distribution.
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20  * any, must include the following acknowlegement:
21  * "This product includes software developed by the
22  * Apache Software Foundation (http://www.apache.org/)."
23  * Alternately, this acknowlegement may appear in the software itself,
24  * if and wherever such third-party acknowlegements normally appear.
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26  * 4. The names "Apache BSF", "Apache", and "Apache Software Foundation"
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49  * This software consists of voluntary contributions made by many individuals
50  * on behalf of the Apache Software Foundation and was originally created by
51  * Sanjiva Weerawarana and others at International Business Machines
52  * Corporation. For more information on the Apache Software Foundation,
53  * please see <http://www.apache.org/>.
54  */

55
56 package org.apache.bsf.debug.meta;
57
58
59 import java.rmi.RemoteException JavaDoc;
60 import java.util.*;
61 import java.io.*;
62 import org.apache.bsf.debug.jsdi.*;
63 import org.apache.bsf.debug.util.*;
64
65
66 public class JsCallbacksStub extends Stub implements JsCallbacks {
67
68     public JsCallbacksStub(SocketConnection con, int tid, int uid) {
69         super(con,tid,uid);
70     }
71
72     /**
73      * Allows the server to poll the connection.
74      */

75     public boolean poll() throws RemoteException JavaDoc {
76
77         ResultCell cell;
78         try {
79             cell = m_con.prepareOutgoingInvoke(this,DebugConstants.JS_CALLBACKS_TID,DebugConstants.CB_POLL);
80             return cell.waitForBooleanValue();
81
82         } catch (IOException ex) {
83             throw new RemoteException JavaDoc("Marshalling error", ex);
84         } catch (Exception JavaDoc ex) {
85             throw new RemoteException JavaDoc("Error at server", ex);
86         }
87     }
88     
89     /**
90      * Callback when a breakpoint is hit in the debuggee.
91      * The debuggee is suspended until this call returns.
92      */

93     public void handleBreakpointHit(JsContext cx)
94         throws RemoteException JavaDoc {
95
96         ResultCell cell;
97         try {
98             cell = m_con.prepareOutgoingInvoke(this,DebugConstants.JS_CALLBACKS_TID,DebugConstants.CB_HANDLE_BREAKPOINT_HIT);
99             cell.writeObject(cx);
100
101             cell.waitForCompletion();
102
103         } catch (IOException ex) {
104             throw new RemoteException JavaDoc("Marshalling error", ex);
105         } catch (Exception JavaDoc ex) {
106             throw new RemoteException JavaDoc("Error at server", ex);
107         }
108     }
109
110     /**
111      * Callback when an engine stops after a stop-request.
112      * The debuggee is suspended until this call returns.
113      */

114     public void handleEngineStopped(JsContext cx)
115         throws RemoteException JavaDoc {
116         ResultCell cell;
117         try {
118             cell = m_con.prepareOutgoingInvoke(this,DebugConstants.JS_CALLBACKS_TID,DebugConstants.CB_HANDLE_ENGINE_STOPPED);
119             cell.writeObject(cx);
120
121             cell.waitForCompletion();
122
123         } catch (IOException ex) {
124             throw new RemoteException JavaDoc("Marshalling error", ex);
125         } catch (Exception JavaDoc ex) {
126             throw new RemoteException JavaDoc("Error at server", ex);
127         }
128     }
129
130     /**
131      * Callback when an exception is thrown in the debuggee.
132      * The debuggee is suspended until this call returns.
133      */

134     public void handleExceptionThrown(JsContext cx, Object JavaDoc exception)
135         throws RemoteException JavaDoc {
136         ResultCell cell;
137         try {
138             cell = m_con.prepareOutgoingInvoke(this,DebugConstants.JS_CALLBACKS_TID,DebugConstants.CB_HANDLE_EXCEPTION_THROWN);
139             cell.writeObject(cx);
140             cell.writeObject(exception);
141             cell.waitForCompletion();
142
143         } catch (IOException ex) {
144             throw new RemoteException JavaDoc("Marshalling error", ex);
145         } catch (Exception JavaDoc ex) {
146             throw new RemoteException JavaDoc("Error at server", ex);
147         }
148     }
149             
150
151     /**
152      * Callback when a step-request has finished.
153      * The debuggee is suspended until this call returns.
154      */

155     public void handleSteppingDone(JsContext cx)
156         throws RemoteException JavaDoc {
157         ResultCell cell;
158         try {
159             cell = m_con.prepareOutgoingInvoke(this,DebugConstants.JS_CALLBACKS_TID,DebugConstants.CB_HANDLE_STEPPING_DONE);
160             cell.writeObject(cx);
161             cell.waitForCompletion();
162
163         } catch (IOException ex) {
164             throw new RemoteException JavaDoc("Marshalling error", ex);
165         } catch (Exception JavaDoc ex) {
166             throw new RemoteException JavaDoc("Error at server", ex);
167         }
168     }
169             
170
171 }
172
173
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