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Java > Open Source Codes > com > jcorporate > expresso > services > html > FileInput


1 /* ====================================================================
2  * The Jcorporate Apache Style Software License, Version 1.2 05-07-2002
3  *
4  * Copyright (c) 1995-2002 Jcorporate Ltd. All rights reserved.
5  *
6  * Redistribution and use in source and binary forms, with or without
7  * modification, are permitted provided that the following conditions
8  * are met:
9  *
10  * 1. Redistributions of source code must retain the above copyright
11  * notice, this list of conditions and the following disclaimer.
12  *
13  * 2. Redistributions in binary form must reproduce the above copyright
14  * notice, this list of conditions and the following disclaimer in
15  * the documentation and/or other materials provided with the
16  * distribution.
17  *
18  * 3. The end-user documentation included with the redistribution,
19  * if any, must include the following acknowledgment:
20  * "This product includes software developed by Jcorporate Ltd.
21  * (http://www.jcorporate.com/)."
22  * Alternately, this acknowledgment may appear in the software itself,
23  * if and wherever such third-party acknowledgments normally appear.
24  *
25  * 4. "Jcorporate" and product names such as "Expresso" must
26  * not be used to endorse or promote products derived from this
27  * software without prior written permission. For written permission,
28  * please contact info@jcorporate.com.
29  *
30  * 5. Products derived from this software may not be called "Expresso",
31  * or other Jcorporate product names; nor may "Expresso" or other
32  * Jcorporate product names appear in their name, without prior
33  * written permission of Jcorporate Ltd.
34  *
35  * 6. No product derived from this software may compete in the same
36  * market space, i.e. framework, without prior written permission
37  * of Jcorporate Ltd. For written permission, please contact
38  * partners@jcorporate.com.
39  *
40  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
41  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
42  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
43  * DISCLAIMED. IN NO EVENT SHALL JCORPORATE LTD OR ITS CONTRIBUTORS
44  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
45  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
46  * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
47  * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
48  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
49  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
50  * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
51  * SUCH DAMAGE.
52  * ====================================================================
53  *
54  * This software consists of voluntary contributions made by many
55  * individuals on behalf of the Jcorporate Ltd. Contributions back
56  * to the project(s) are encouraged when you make modifications.
57  * Please send them to support@jcorporate.com. For more information
58  * on Jcorporate Ltd. and its products, please see
59  * <http://www.jcorporate.com/>.
60  *
61  * Portions of this software are based upon other open source
62  * products and are subject to their respective licenses.
63  */
64
65 package com.jcorporate.expresso.services.html;
66
67 /**
68  * FileInput.java
69  *
70  * Copyright 1999, 2000, 2001 Jcorporate Ltd.
71  */
72
73 import java.io.PrintWriter JavaDoc;
74
75
76 /**
77  * A field on an HTML form that allows uploading of a file
78  *
79  * @author Shash Chatterjee
80  * @version $Revision: 1.8 $ $Date: 2004/11/17 20:48:18 $
81  */
82 public class FileInput
83         extends HtmlElement {
84     protected String JavaDoc fieldName = null;
85     protected String JavaDoc fieldValue = ("");
86
87     /**
88      * Constructor
89      *
90      * @throws HtmlException If the superclass constructor fails
91      */
92     public FileInput()
93             throws HtmlException {
94         super();
95     } /* FileInput() */
96
97     /**
98      * Constructor
99      * Create a hidden field with the given name and value
100      *
101      * @param newFieldName Field name for the hidden field
102      * @param newFieldValue Value for the hidden field
103      * @throws HtmlException If the parameters are invalid
104      */
105     public FileInput(String JavaDoc newFieldName, String JavaDoc newFieldValue)
106             throws HtmlException {
107         super(newFieldName);
108         fieldName = newFieldName;
109         fieldValue = newFieldValue;
110     } /* FileInput(String, String) */
111
112     /**
113      * "Display" the file input field to a form
114      *
115      * @param depth the number of tabs to indent
116      * @param out PrintWriter to display
117      * @throws HtmlException If the field could not be displayed
118      */
119     protected void display(PrintWriter JavaDoc out, int depth)
120             throws HtmlException {
121         this.padWithTabs(out, depth);
122         out.println("<input");
123
124         if (cSSClass != null) {
125             out.print(" class=\"" + cSSClass + "\"");
126         }
127         if (cSSID != null) {
128             out.print(" id=\"" + cSSID + "\"");
129         }
130
131         out.println(" type=file name=" + fieldName + " value=\"" + fieldValue +
132                 "\">");
133         setDisplayed();
134     } /* display(PrintWriter) */
135
136
137 } /* FileInput */
138
139 /* FileInput */
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