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Java > Open Source Codes > org > openlaszlo > iv > flash > url > FileUrl


1 /*
2  * $Id: FileUrl.java,v 1.3 2002/02/24 02:10:19 skavish Exp $
3  *
4  * ==========================================================================
5  *
6  * The JGenerator Software License, Version 1.0
7  *
8  * Copyright (c) 2000 Dmitry Skavish (skavish@usa.net). All rights reserved.
9  *
10  * Redistribution and use in source and binary forms, with or without
11  * modification, are permitted provided that the following conditions are met:
12  *
13  * 1. Redistributions of source code must retain the above copyright
14  * notice, this list of conditions and the following disclaimer.
15  *
16  * 2. Redistributions in binary form must reproduce the above copyright
17  * notice, this list of conditions and the following disclaimer in
18  * the documentation and/or other materials provided with the
19  * distribution.
20  *
21  * 3. The end-user documentation included with the redistribution, if
22  * any, must include the following acknowlegement:
23  * "This product includes software developed by Dmitry Skavish
24  * (skavish@usa.net, http://www.flashgap.com/)."
25  * Alternately, this acknowlegement may appear in the software itself,
26  * if and wherever such third-party acknowlegements normally appear.
27  *
28  * 4. The name "The JGenerator" must not be used to endorse or promote
29  * products derived from this software without prior written permission.
30  * For written permission, please contact skavish@usa.net.
31  *
32  * 5. Products derived from this software may not be called "The JGenerator"
33  * nor may "The JGenerator" appear in their names without prior written
34  * permission of Dmitry Skavish.
35  *
36  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
37  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
38  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
39  * DISCLAIMED. IN NO EVENT SHALL DMITRY SKAVISH OR THE OTHER
40  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
41  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
42  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
43  * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
44  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
45  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
46  * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
47  * SUCH DAMAGE.
48  *
49  */
50
51 package org.openlaszlo.iv.flash.url;
52
53 import java.io.*;
54 import java.net.*;
55 import org.openlaszlo.iv.flash.util.*;
56 import org.openlaszlo.iv.flash.api.*;
57
58
59 /**
60  * This class is implementation of IVUrl for local files
61  *
62  * @author Dmitry Skavish
63  */
64 public class FileUrl extends IVUrl {
65
66     private File file;
67     private String JavaDoc ref;
68
69     /**
70      * Creates FileUrl from absolute file name
71      *
72      * @param absolutePath absolute file name
73      * @exception IVException
74      */
75     public FileUrl( String JavaDoc absolutePath ) throws IVException {
76         int idx = absolutePath.lastIndexOf('#');
77         if( idx >= 0 ) {
78             ref = absolutePath.substring(idx+1);
79             absolutePath = absolutePath.substring(0, idx);
80         }
81         absolutePath = parseFilePath(absolutePath);
82         file = new File(absolutePath);
83         check();
84     }
85
86     /**
87      * Creates FileUrl from file name and path
88      *
89      * @param name file name
90      * @param path file path
91      * @exception IVException
92      */
93     public FileUrl( String JavaDoc name, String JavaDoc path ) throws IVException {
94         file = new File(parseFilePath(path), Util.translatePath(name));
95         check();
96     }
97
98     /**
99      * Creates FileUrl from relative file name and FlashFile
100      *
101      * @param surl relative file name
102      * @param flashFile flash file
103      * @exception IVException
104      */
105     public FileUrl( String JavaDoc surl, FlashFile flashFile ) throws IVException {
106         int idx = surl.lastIndexOf('#');
107         if( idx >= 0 ) {
108             ref = surl.substring(idx+1);
109             surl = surl.substring(0, idx);
110         }
111         String JavaDoc fileurl = parseFilePath(surl);
112         file = new File(fileurl);
113         if( !file.isAbsolute() && flashFile != null )
114             file = new File(flashFile.getFileDir(), file.getPath());
115         check();
116     }
117
118     private String JavaDoc parseFilePath( String JavaDoc s ) throws IVException {
119         int idx = s.indexOf('?');
120         if( idx >= 0 ) {
121             parse(s, idx);
122             s = s.substring(0,idx);
123         }
124         return Util.translatePath(s);
125     }
126
127     private void check() throws IVException {
128         if( !file.exists() || !file.isFile() )
129             throw new IVException( Resource.FILENOTFOUND, new Object JavaDoc[] {file.getAbsolutePath()} );
130     }
131
132     public String JavaDoc getName() {
133         return file.getAbsolutePath();
134     }
135
136     public long lastModified() {
137         return file.lastModified();
138     }
139
140     public String JavaDoc getRef() {
141         return ref;
142     }
143
144     public InputStream getInputStream() throws IOException {
145         return new FileInputStream(file);
146     }
147
148 }
149
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