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Java > Open Source Codes > org > apache > bsf > dbline > FnOrScript


1 /*
2  * The Apache Software License, Version 1.1
3  *
4  * Copyright (c) 2002 The Apache Software Foundation. All rights
5  * reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  *
11  * 1. Redistributions of source code must retain the above copyright
12  * notice, this list of conditions and the following disclaimer.
13  *
14  * 2. Redistributions in binary form must reproduce the above copyright
15  * notice, this list of conditions and the following disclaimer in
16  * the documentation and/or other materials provided with the
17  * distribution.
18  *
19  * 3. The end-user documentation included with the redistribution, if
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.
25  *
26  * 4. The names "Apache BSF", "Apache", and "Apache Software Foundation"
27  * must not be used to endorse or promote products derived from
28  * this software without prior written permission. For written
29  * permission, please contact apache@apache.org.
30  *
31  * 5. Products derived from this software may not be called "Apache"
32  * nor may "Apache" appear in their names without prior written
33  * permission of the Apache Group.
34  *
35  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
36  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
37  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
38  * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
39  * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
40  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
41  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
42  * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
43  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
44  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
45  * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
46  * SUCH DAMAGE.
47  * ====================================================================
48  *
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.dbline;
57
58 import java.io.*;
59 import org.apache.bsf.debug.*;
60 import org.apache.bsf.debug.jsdi.*;
61 import java.rmi.RemoteException JavaDoc;
62
63 /**
64  * Insert the type's description here.
65  * Creation date: (9/4/2001 1:14:44 PM)
66  * @author: Administrator
67  */

68 public class FnOrScript {
69
70     Buffer m_buffer;
71     boolean m_loaded;
72     boolean m_executed;
73     boolean m_inError;
74
75     int m_start,m_end;
76     long m_fsid;
77
78     FnOrScript(Buffer buffer, int start, int end) {
79         m_buffer = buffer;
80         m_start = start;
81         m_end = end;
82     }
83
84     void exec() {
85     if (m_inError) {
86             System.out.println("\nIn Error: the load produced errors.");
87             return;
88     }
89
90     StringBuffer JavaDoc buf = m_buffer.buildFnOrScript(m_start, m_end);
91     String JavaDoc scriptText = buf.toString();
92
93     JsEngine eng = JsDb.self.m_jse;
94
95     try {
96             eng.eval(m_buffer.getName(), scriptText, m_start);
97     }
98         catch (RemoteException JavaDoc ex) {
99             m_inError = true;
100     }
101     }
102     
103     Reader getReader() {
104         StringBuffer JavaDoc buf = m_buffer.buildFnOrScript(m_start,m_end);
105         String JavaDoc scriptText = buf.toString();
106         Reader reader = new StringReader(scriptText);
107         return reader;
108     }
109 }
110
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