source: release-kits/lirk3/bin/ant-installer/web/java2html/antinstaller/org/tp23/antinstaller/selfextract/SelfExtractor.java.html@ 14982

Last change on this file since 14982 was 14982, checked in by oranfry, 16 years ago

initial import of LiRK3
File size: 46.9 KB
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12<font size="4" class="ClassName">SelfExtractor.java</font>
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17<pre CLASS="Classes">
18<FONT CLASS="LN">1 </FONT><A NAME="1"></A><FONT CLASS="MultiLineComment">/*
19<FONT CLASS="LN">2 </FONT><A NAME="2"></A> * Copyright 2005 Paul Hinds
20<FONT CLASS="LN">3 </FONT><A NAME="3"></A> *
21<FONT CLASS="LN">4 </FONT><A NAME="4"></A> * Licensed under the Apache License, Version 2.0 (the "License");
22<FONT CLASS="LN">5 </FONT><A NAME="5"></A> * you may not use this file except in compliance with the License.
23<FONT CLASS="LN">6 </FONT><A NAME="6"></A> * You may obtain a copy of the License at
24<FONT CLASS="LN">7 </FONT><A NAME="7"></A> *
25<FONT CLASS="LN">8 </FONT><A NAME="8"></A> * http://www.apache.org/licenses/LICENSE-2.0
26<FONT CLASS="LN">9 </FONT><A NAME="9"></A> *
27<FONT CLASS="LN">10</FONT><A NAME="10"></A> * Unless required by applicable law or agreed to in writing, software
28<FONT CLASS="LN">11</FONT><A NAME="11"></A> * distributed under the License is distributed on an "AS IS" BASIS,
29<FONT CLASS="LN">12</FONT><A NAME="12"></A> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
30<FONT CLASS="LN">13</FONT><A NAME="13"></A> * See the License for the specific language governing permissions and
31<FONT CLASS="LN">14</FONT><A NAME="14"></A> * limitations under the License.
32<FONT CLASS="LN">15</FONT><A NAME="15"></A> */</FONT>
33<FONT CLASS="LN">16</FONT><A NAME="16"></A><FONT CLASS="Package">package</FONT> <A HREF="../../../../org.tp23.antinstaller.selfextract.index.html" target="packageFrame">org.tp23.antinstaller.selfextract</A>;
34<FONT CLASS="LN">17</FONT><A NAME="17"></A>
35<FONT CLASS="LN">18</FONT><A NAME="18"></A><FONT CLASS="Import">import</FONT> java.awt.HeadlessException;
36<FONT CLASS="LN">19</FONT><A NAME="19"></A><FONT CLASS="Import">import</FONT> java.io.BufferedOutputStream;
37<FONT CLASS="LN">20</FONT><A NAME="20"></A><FONT CLASS="Import">import</FONT> java.io.File;
38<FONT CLASS="LN">21</FONT><A NAME="21"></A><FONT CLASS="Import">import</FONT> java.io.FileFilter;
39<FONT CLASS="LN">22</FONT><A NAME="22"></A><FONT CLASS="Import">import</FONT> java.io.FileInputStream;
40<FONT CLASS="LN">23</FONT><A NAME="23"></A><FONT CLASS="Import">import</FONT> java.io.FileNotFoundException;
41<FONT CLASS="LN">24</FONT><A NAME="24"></A><FONT CLASS="Import">import</FONT> java.io.FileOutputStream;
42<FONT CLASS="LN">25</FONT><A NAME="25"></A><FONT CLASS="Import">import</FONT> java.io.IOException;
43<FONT CLASS="LN">26</FONT><A NAME="26"></A><FONT CLASS="Import">import</FONT> java.net.URL;
44<FONT CLASS="LN">27</FONT><A NAME="27"></A><FONT CLASS="Import">import</FONT> java.util.ArrayList;
45<FONT CLASS="LN">28</FONT><A NAME="28"></A><FONT CLASS="Import">import</FONT> java.util.jar.JarEntry;
46<FONT CLASS="LN">29</FONT><A NAME="29"></A><FONT CLASS="Import">import</FONT> java.util.jar.JarFile;
47<FONT CLASS="LN">30</FONT><A NAME="30"></A><FONT CLASS="Import">import</FONT> java.util.jar.JarInputStream;
48<FONT CLASS="LN">31</FONT><A NAME="31"></A>
49<FONT CLASS="LN">32</FONT><A NAME="32"></A><FONT CLASS="Import">import</FONT> javax.swing.JOptionPane;
50<FONT CLASS="LN">33</FONT><A NAME="33"></A><FONT CLASS="Import">import</FONT> javax.swing.UIManager;
51<FONT CLASS="LN">34</FONT><A NAME="34"></A>
52<FONT CLASS="LN">35</FONT><A NAME="35"></A><FONT CLASS="Import">import</FONT> <A HREF="../../../../org/tp23/antinstaller/InstallException.java.html">org.tp23.antinstaller.InstallException</A>;
53<FONT CLASS="LN">36</FONT><A NAME="36"></A><FONT CLASS="Import">import</FONT> <A HREF="../../../../org/tp23/antinstaller/renderer/swing/plaf/LookAndFeelFactory.java.html">org.tp23.antinstaller.renderer.swing.plaf.LookAndFeelFactory</A>;
54<FONT CLASS="LN">37</FONT><A NAME="37"></A><FONT CLASS="Import">import</FONT> <A HREF="../../../../org/tp23/antinstaller/runtime/ExecInstall.java.html">org.tp23.antinstaller.runtime.ExecInstall</A>;
55<FONT CLASS="LN">38</FONT><A NAME="38"></A><FONT CLASS="Import">import</FONT> <A HREF="../../../../org/tp23/antinstaller/runtime/exe/FilterChain.java.html">org.tp23.antinstaller.runtime.exe.FilterChain</A>;
56<FONT CLASS="LN">39</FONT><A NAME="39"></A><FONT CLASS="Import">import</FONT> <A HREF="../../../../org/tp23/antinstaller/runtime/exe/FilterFactory.java.html">org.tp23.antinstaller.runtime.exe.FilterFactory</A>;
57<FONT CLASS="LN">40</FONT><A NAME="40"></A>
58<FONT CLASS="LN">41</FONT><A NAME="41"></A><FONT CLASS="FormalComment">/**
59<FONT CLASS="LN">42</FONT><A NAME="42"></A> *
60<FONT CLASS="LN">43</FONT><A NAME="43"></A> * &lt;p&gt;Finds a file reference to the Jar that loads this class and then extracts that Jar
61<FONT CLASS="LN">44</FONT><A NAME="44"></A> * to a temporary directory &lt;/p&gt;
62<FONT CLASS="LN">45</FONT><A NAME="45"></A> * &lt;p&gt; &lt;/p&gt;
63<FONT CLASS="LN">46</FONT><A NAME="46"></A> * @author Paul Hinds
64<FONT CLASS="LN">47</FONT><A NAME="47"></A> * @version $Id: SelfExtractor.java,v 1.10 2007/01/28 08:44:40 teknopaul Exp $
65<FONT CLASS="LN">48</FONT><A NAME="48"></A> */</FONT>
66<FONT CLASS="LN">49</FONT><A NAME="49"></A><FONT CLASS="Public">public</FONT> <FONT CLASS="Class">class</FONT> SelfExtractor {
67<FONT CLASS="LN">50</FONT><A NAME="50"></A>
68<FONT CLASS="LN">51</FONT><A NAME="51"></A> <FONT CLASS="Public">public</FONT> <FONT CLASS="Static">static</FONT> <FONT CLASS="Final">final</FONT> String CONFIG_RESOURCE = <FONT CLASS="StringLiteral">"/org/tp23/antinstaller/runtime/exe/selfextractor.fconfig"</FONT>;
69<FONT CLASS="LN">52</FONT><A NAME="52"></A>
70<FONT CLASS="LN">53</FONT><A NAME="53"></A> <FONT CLASS="Private">private</FONT> File extractDir;
71<FONT CLASS="LN">54</FONT><A NAME="54"></A> <FONT CLASS="Private">private</FONT> File archiveFile;
72<FONT CLASS="LN">55</FONT><A NAME="55"></A> <FONT CLASS="Private">private</FONT> <FONT CLASS="Boolean">boolean</FONT> overwrite = <FONT CLASS="True">true</FONT>;
73<FONT CLASS="LN">56</FONT><A NAME="56"></A>
74<FONT CLASS="LN">57</FONT><A NAME="57"></A> <FONT CLASS="Private">private</FONT> <FONT CLASS="Static">static</FONT> <FONT CLASS="Int">int</FONT> DEFAULT_BUFFER_SIZE = <FONT CLASS="IntegerLiteral">1024</FONT>;
75<FONT CLASS="LN">58</FONT><A NAME="58"></A> <FONT CLASS="Private">private</FONT> <FONT CLASS="Int">int</FONT> BUFFER_SIZE = DEFAULT_BUFFER_SIZE;
76<FONT CLASS="LN">59</FONT><A NAME="59"></A> <FONT CLASS="Private">private</FONT> <FONT CLASS="Static">static</FONT> <FONT CLASS="Boolean">boolean</FONT> graphicsEnv = <FONT CLASS="False">false</FONT>;
77<FONT CLASS="LN">60</FONT><A NAME="60"></A> <FONT CLASS="Private">private</FONT> <FONT CLASS="Static">static</FONT> String lookAndFeel = <FONT CLASS="Null">null</FONT>;
78<FONT CLASS="LN">61</FONT><A NAME="61"></A>
79<FONT CLASS="LN">62</FONT><A NAME="62"></A> <FONT CLASS="FormalComment">/**
80<FONT CLASS="LN">63</FONT><A NAME="63"></A> * returns the Jar that the reference object was loaded from. If it was not
81<FONT CLASS="LN">64</FONT><A NAME="64"></A> * loaded from a jar this methods behaviour is undefined
82<FONT CLASS="LN">65</FONT><A NAME="65"></A> * @TODO define what happens
83<FONT CLASS="LN">66</FONT><A NAME="66"></A> * @param reference
84<FONT CLASS="LN">67</FONT><A NAME="67"></A> * @return A java.io.File reference to the Jar
85<FONT CLASS="LN">68</FONT><A NAME="68"></A> */</FONT>
86<FONT CLASS="LN">69</FONT><A NAME="69"></A> <FONT CLASS="Public">public</FONT> <FONT CLASS="Static">static</FONT> File getEnclosingJar(Object reference) {
87<FONT CLASS="LN">70</FONT><A NAME="70"></A> String thisClass = <FONT CLASS="StringLiteral">"/"</FONT> + reference.getClass().getName().replace(<FONT CLASS="CharacerLiteral">'.'</FONT>,<FONT CLASS="CharacerLiteral">'/'</FONT>) + <FONT CLASS="StringLiteral">".class"</FONT>;
88<FONT CLASS="LN">71</FONT><A NAME="71"></A> URL jarUrl = reference.getClass().getResource(thisClass);
89<FONT CLASS="LN">72</FONT><A NAME="72"></A> String stringForm = jarUrl.toString();
90<FONT CLASS="LN">73</FONT><A NAME="73"></A> <FONT CLASS="SingleLineComment">//String fileForm = jarUrl.getFile();
91<FONT CLASS="LN">74</FONT><A NAME="74"></A></FONT>
92<FONT CLASS="LN">75</FONT><A NAME="75"></A> File file = <FONT CLASS="Null">null</FONT>;
93<FONT CLASS="LN">76</FONT><A NAME="76"></A> <FONT CLASS="Int">int</FONT> endIdx = stringForm.indexOf(<FONT CLASS="StringLiteral">"!/"</FONT>);
94<FONT CLASS="LN">77</FONT><A NAME="77"></A> <FONT CLASS="If">if</FONT>(endIdx != -<FONT CLASS="IntegerLiteral">1</FONT>){
95<FONT CLASS="LN">78</FONT><A NAME="78"></A> String unescaped = <FONT CLASS="Null">null</FONT>;
96<FONT CLASS="LN">79</FONT><A NAME="79"></A> String fileNamePart = stringForm.substring(<FONT CLASS="StringLiteral">"jar:file:"</FONT>.length(), endIdx);
97<FONT CLASS="LN">80</FONT><A NAME="80"></A> file = <FONT CLASS="New">new</FONT> File(fileNamePart);
98<FONT CLASS="LN">81</FONT><A NAME="81"></A> <FONT CLASS="If">if</FONT> ( ! file.exists()) {
99<FONT CLASS="LN">82</FONT><A NAME="82"></A> <FONT CLASS="SingleLineComment">// try to unescape encase the URL Handler has escaped the " " to %20
100<FONT CLASS="LN">83</FONT><A NAME="83"></A></FONT> unescaped = unescape(fileNamePart);
101<FONT CLASS="LN">84</FONT><A NAME="84"></A> file = <FONT CLASS="New">new</FONT> File(unescaped);
102<FONT CLASS="LN">85</FONT><A NAME="85"></A> }
103<FONT CLASS="LN">86</FONT><A NAME="86"></A> <FONT CLASS="Return">return</FONT> file;
104<FONT CLASS="LN">87</FONT><A NAME="87"></A> }
105<FONT CLASS="LN">88</FONT><A NAME="88"></A> <FONT CLASS="Throw">throw</FONT> <FONT CLASS="New">new</FONT> RuntimeException(<FONT CLASS="StringLiteral">"Failed expanding Jar."</FONT>);
106<FONT CLASS="LN">89</FONT><A NAME="89"></A> }
107<FONT CLASS="LN">90</FONT><A NAME="90"></A>
108<FONT CLASS="LN">91</FONT><A NAME="91"></A> <FONT CLASS="FormalComment">/**
109<FONT CLASS="LN">92</FONT><A NAME="92"></A> * Constructor for the SelfExtractor object. Directly after constructing
110<FONT CLASS="LN">93</FONT><A NAME="93"></A> * an instance the init() method should be called unless subclassing
111<FONT CLASS="LN">94</FONT><A NAME="94"></A> */</FONT>
112<FONT CLASS="LN">95</FONT><A NAME="95"></A> <FONT CLASS="Public">public</FONT> SelfExtractor() {
113<FONT CLASS="LN">96</FONT><A NAME="96"></A> }
114<FONT CLASS="LN">97</FONT><A NAME="97"></A>
115<FONT CLASS="LN">98</FONT><A NAME="98"></A> <FONT CLASS="FormalComment">/**
116<FONT CLASS="LN">99</FONT><A NAME="99"></A> * This has been moved from the default constructor to facilitate subclassing
117<FONT CLASS="LN">00</FONT><A NAME="100"></A> * @return true if the lookAndFeel worked
118<FONT CLASS="LN">01</FONT><A NAME="101"></A> */</FONT>
119<FONT CLASS="LN">02</FONT><A NAME="102"></A> <FONT CLASS="Public">public</FONT> <FONT CLASS="Void">void</FONT> init(){
120<FONT CLASS="LN">03</FONT><A NAME="103"></A> System.out.println(<FONT CLASS="StringLiteral">"Loading self extractor..."</FONT>);
121<FONT CLASS="LN">04</FONT><A NAME="104"></A> archiveFile = getEnclosingJar(<FONT CLASS="This">this</FONT>);
122<FONT CLASS="LN">05</FONT><A NAME="105"></A> makeTempDir();
123<FONT CLASS="LN">06</FONT><A NAME="106"></A> <FONT CLASS="Try">try</FONT> {
124<FONT CLASS="LN">07</FONT><A NAME="107"></A> JarFile thisJar = <FONT CLASS="New">new</FONT> JarFile(archiveFile);
125<FONT CLASS="LN">08</FONT><A NAME="108"></A> lookAndFeel = thisJar.getManifest().getMainAttributes().getValue(<FONT CLASS="StringLiteral">"Look-And-Feel"</FONT>);
126<FONT CLASS="LN">09</FONT><A NAME="109"></A> lookAndFeel = LookAndFeelFactory.getLafFromToken(lookAndFeel);
127<FONT CLASS="LN">10</FONT><A NAME="110"></A> <FONT CLASS="If">if</FONT>(lookAndFeel != <FONT CLASS="Null">null</FONT>) {
128<FONT CLASS="LN">11</FONT><A NAME="111"></A> UIManager.setLookAndFeel(lookAndFeel);
129<FONT CLASS="LN">12</FONT><A NAME="112"></A> }
130<FONT CLASS="LN">13</FONT><A NAME="113"></A> }
131<FONT CLASS="LN">14</FONT><A NAME="114"></A> <FONT CLASS="Catch">catch</FONT> (Throwable ex) {
132<FONT CLASS="LN">15</FONT><A NAME="115"></A> <FONT CLASS="SingleLineComment">// not concerned about Look and Feel
133<FONT CLASS="LN">16</FONT><A NAME="116"></A></FONT> }
134<FONT CLASS="LN">17</FONT><A NAME="117"></A> }
135<FONT CLASS="LN">18</FONT><A NAME="118"></A>
136<FONT CLASS="LN">19</FONT><A NAME="119"></A> <FONT CLASS="FormalComment">/**
137<FONT CLASS="LN">20</FONT><A NAME="120"></A> * Creates a new empty temporary directory for the file extraction
138<FONT CLASS="LN">21</FONT><A NAME="121"></A> * @return
139<FONT CLASS="LN">22</FONT><A NAME="122"></A> */</FONT>
140<FONT CLASS="LN">23</FONT><A NAME="123"></A> <FONT CLASS="Protected">protected</FONT> File makeTempDir(){
141<FONT CLASS="LN">24</FONT><A NAME="124"></A> String tempDir = System.getProperty(<FONT CLASS="StringLiteral">"java.io.tmpdir"</FONT>);
142<FONT CLASS="LN">25</FONT><A NAME="125"></A> extractDir = <FONT CLASS="New">new</FONT> File(tempDir, <FONT CLASS="StringLiteral">"antinstall"</FONT>);
143<FONT CLASS="LN">26</FONT><A NAME="126"></A> <FONT CLASS="Int">int</FONT> idx = <FONT CLASS="IntegerLiteral">0</FONT>;
144<FONT CLASS="LN">27</FONT><A NAME="127"></A> <FONT CLASS="While">while</FONT> (extractDir.exists()) {
145<FONT CLASS="LN">28</FONT><A NAME="128"></A> extractDir = <FONT CLASS="New">new</FONT> File(tempDir, <FONT CLASS="StringLiteral">"antinstall"</FONT> + (idx++));
146<FONT CLASS="LN">29</FONT><A NAME="129"></A> }
147<FONT CLASS="LN">30</FONT><A NAME="130"></A> extractDir.mkdirs();
148<FONT CLASS="LN">31</FONT><A NAME="131"></A> extractDir.deleteOnExit();
149<FONT CLASS="LN">32</FONT><A NAME="132"></A> <FONT CLASS="Return">return</FONT> extractDir;
150<FONT CLASS="LN">33</FONT><A NAME="133"></A> }
151<FONT CLASS="LN">34</FONT><A NAME="134"></A>
152<FONT CLASS="LN">35</FONT><A NAME="135"></A> <FONT CLASS="FormalComment">/**
153<FONT CLASS="LN">36</FONT><A NAME="136"></A> * Constructor for the SelfExtractor object that sets the buffersize in use.
154<FONT CLASS="LN">37</FONT><A NAME="137"></A> * The write buffer is the same size as the write buffer size because the read buffer reads
155<FONT CLASS="LN">38</FONT><A NAME="138"></A> * decompressed bytes
156<FONT CLASS="LN">39</FONT><A NAME="139"></A> * @param newBufferSize the size of the read buffer
157<FONT CLASS="LN">40</FONT><A NAME="140"></A> */</FONT>
158<FONT CLASS="LN">41</FONT><A NAME="141"></A> <FONT CLASS="Public">public</FONT> SelfExtractor(<FONT CLASS="Int">int</FONT> newBufferSize) {
159<FONT CLASS="LN">42</FONT><A NAME="142"></A> BUFFER_SIZE = newBufferSize;
160<FONT CLASS="LN">43</FONT><A NAME="143"></A> archiveFile = getEnclosingJar(<FONT CLASS="This">this</FONT>);
161<FONT CLASS="LN">44</FONT><A NAME="144"></A> }
162<FONT CLASS="LN">45</FONT><A NAME="145"></A>
163<FONT CLASS="LN">46</FONT><A NAME="146"></A> <FONT CLASS="FormalComment">/**
164<FONT CLASS="LN">47</FONT><A NAME="147"></A> * Sets the Directory into which the file will be extracted
165<FONT CLASS="LN">48</FONT><A NAME="148"></A> *
166<FONT CLASS="LN">49</FONT><A NAME="149"></A> *@param newExtractDir The new extract directory
167<FONT CLASS="LN">50</FONT><A NAME="150"></A> */</FONT>
168<FONT CLASS="LN">51</FONT><A NAME="151"></A> <FONT CLASS="Public">public</FONT> <FONT CLASS="Void">void</FONT> setExtractDir(File newExtractDir) {
169<FONT CLASS="LN">52</FONT><A NAME="152"></A> extractDir = newExtractDir;
170<FONT CLASS="LN">53</FONT><A NAME="153"></A> }
171<FONT CLASS="LN">54</FONT><A NAME="154"></A>
172<FONT CLASS="LN">55</FONT><A NAME="155"></A> <FONT CLASS="FormalComment">/**
173<FONT CLASS="LN">56</FONT><A NAME="156"></A> * changes the archive to be extracted
174<FONT CLASS="LN">57</FONT><A NAME="157"></A> *@param newArchiveFile The new archiveFile value
175<FONT CLASS="LN">58</FONT><A NAME="158"></A> */</FONT>
176<FONT CLASS="LN">59</FONT><A NAME="159"></A> <FONT CLASS="Public">public</FONT> <FONT CLASS="Void">void</FONT> setArchiveFile(File newArchiveFile) {
177<FONT CLASS="LN">60</FONT><A NAME="160"></A> archiveFile = newArchiveFile;
178<FONT CLASS="LN">61</FONT><A NAME="161"></A> }
179<FONT CLASS="LN">62</FONT><A NAME="162"></A>
180<FONT CLASS="LN">63</FONT><A NAME="163"></A> <FONT CLASS="FormalComment">/**
181<FONT CLASS="LN">64</FONT><A NAME="164"></A> * Gets the Directory into which the files will be extracted that
182<FONT CLASS="LN">65</FONT><A NAME="165"></A> * is currently set in the ZipExtractor object
183<FONT CLASS="LN">66</FONT><A NAME="166"></A> *@return The extract directory value
184<FONT CLASS="LN">67</FONT><A NAME="167"></A> */</FONT>
185<FONT CLASS="LN">68</FONT><A NAME="168"></A> <FONT CLASS="Public">public</FONT> File getExtractDir() {
186<FONT CLASS="LN">69</FONT><A NAME="169"></A> <FONT CLASS="Return">return</FONT> extractDir;
187<FONT CLASS="LN">70</FONT><A NAME="170"></A> }
188<FONT CLASS="LN">71</FONT><A NAME="171"></A>
189<FONT CLASS="LN">72</FONT><A NAME="172"></A> <FONT CLASS="FormalComment">/**
190<FONT CLASS="LN">73</FONT><A NAME="173"></A> * Gets the set in the ZipExtractor
191<FONT CLASS="LN">74</FONT><A NAME="174"></A> *@return The archiveFile value
192<FONT CLASS="LN">75</FONT><A NAME="175"></A> */</FONT>
193<FONT CLASS="LN">76</FONT><A NAME="176"></A> <FONT CLASS="Public">public</FONT> <FONT CLASS="Boolean">boolean</FONT> isOverwrite() {
194<FONT CLASS="LN">77</FONT><A NAME="177"></A> <FONT CLASS="Return">return</FONT> overwrite;
195<FONT CLASS="LN">78</FONT><A NAME="178"></A> }
196<FONT CLASS="LN">79</FONT><A NAME="179"></A>
197<FONT CLASS="LN">80</FONT><A NAME="180"></A> <FONT CLASS="FormalComment">/**
198<FONT CLASS="LN">81</FONT><A NAME="181"></A> * Gets the Directory into which the files will be extracted that
199<FONT CLASS="LN">82</FONT><A NAME="182"></A> * is currently set in the ZipExtractor object
200<FONT CLASS="LN">83</FONT><A NAME="183"></A> *@return The extract directory value
201<FONT CLASS="LN">84</FONT><A NAME="184"></A> */</FONT>
202<FONT CLASS="LN">85</FONT><A NAME="185"></A> <FONT CLASS="Public">public</FONT> <FONT CLASS="Void">void</FONT> setOverwrite(<FONT CLASS="Boolean">boolean</FONT> overwrite) {
203<FONT CLASS="LN">86</FONT><A NAME="186"></A> <FONT CLASS="This">this</FONT>.overwrite = overwrite;
204<FONT CLASS="LN">87</FONT><A NAME="187"></A> }
205<FONT CLASS="LN">88</FONT><A NAME="188"></A>
206<FONT CLASS="LN">89</FONT><A NAME="189"></A> <FONT CLASS="FormalComment">/**
207<FONT CLASS="LN">90</FONT><A NAME="190"></A> * Gets the set in the ZipExtractor
208<FONT CLASS="LN">91</FONT><A NAME="191"></A> *@return The archiveFile value
209<FONT CLASS="LN">92</FONT><A NAME="192"></A> */</FONT>
210<FONT CLASS="LN">93</FONT><A NAME="193"></A> <FONT CLASS="Public">public</FONT> File getArchiveFile() {
211<FONT CLASS="LN">94</FONT><A NAME="194"></A> <FONT CLASS="Return">return</FONT> archiveFile;
212<FONT CLASS="LN">95</FONT><A NAME="195"></A> }
213<FONT CLASS="LN">96</FONT><A NAME="196"></A>
214<FONT CLASS="LN">97</FONT><A NAME="197"></A> <FONT CLASS="FormalComment">/**
215<FONT CLASS="LN">98</FONT><A NAME="198"></A> * Opens up the zip and gets a list of the files in it. If the zip file
216<FONT CLASS="LN">99</FONT><A NAME="199"></A> * or the temp file have not been set NullPointerExceptions will get thrown
217<FONT CLASS="LN">00</FONT><A NAME="200"></A> *@param vebose if true Prints out a list of the zips
218<FONT CLASS="LN">01</FONT><A NAME="201"></A> * contents on to the command line
219<FONT CLASS="LN">02</FONT><A NAME="202"></A> *@return an ArrayList of String objects that will
220<FONT CLASS="LN">03</FONT><A NAME="203"></A> * be as per the path in the zip
221<FONT CLASS="LN">04</FONT><A NAME="204"></A> *@exception FileNotFoundException Description of Exception
222<FONT CLASS="LN">05</FONT><A NAME="205"></A> *@exception IOException Description of Exception
223<FONT CLASS="LN">06</FONT><A NAME="206"></A> */</FONT>
224<FONT CLASS="LN">07</FONT><A NAME="207"></A> <FONT CLASS="Public">public</FONT> ArrayList getList(<FONT CLASS="Boolean">boolean</FONT> vebose) <FONT CLASS="Throws">throws</FONT> FileNotFoundException, IOException {
225<FONT CLASS="LN">08</FONT><A NAME="208"></A> JarInputStream zis = <FONT CLASS="New">new</FONT> JarInputStream(<FONT CLASS="New">new</FONT> FileInputStream(archiveFile));
226<FONT CLASS="LN">09</FONT><A NAME="209"></A> JarEntry entry = <FONT CLASS="Null">null</FONT>;
227<FONT CLASS="LN">10</FONT><A NAME="210"></A> ArrayList result = <FONT CLASS="New">new</FONT> ArrayList();
228<FONT CLASS="LN">11</FONT><A NAME="211"></A> <FONT CLASS="While">while</FONT> ( (entry = zis.getNextJarEntry()) != <FONT CLASS="Null">null</FONT>) {
229<FONT CLASS="LN">12</FONT><A NAME="212"></A> <FONT CLASS="If">if</FONT> (vebose) {
230<FONT CLASS="LN">13</FONT><A NAME="213"></A> System.out.println(entry.getName());
231<FONT CLASS="LN">14</FONT><A NAME="214"></A> }
232<FONT CLASS="LN">15</FONT><A NAME="215"></A> result.add(entry.getName());
233<FONT CLASS="LN">16</FONT><A NAME="216"></A> }
234<FONT CLASS="LN">17</FONT><A NAME="217"></A> <FONT CLASS="Return">return</FONT> result;
235<FONT CLASS="LN">18</FONT><A NAME="218"></A> }
236<FONT CLASS="LN">19</FONT><A NAME="219"></A>
237<FONT CLASS="LN">20</FONT><A NAME="220"></A> <FONT CLASS="FormalComment">/**
238<FONT CLASS="LN">21</FONT><A NAME="221"></A> * @return the number of files in the jar
239<FONT CLASS="LN">22</FONT><A NAME="222"></A> * @throws FileNotFoundException
240<FONT CLASS="LN">23</FONT><A NAME="223"></A> * @throws IOException
241<FONT CLASS="LN">24</FONT><A NAME="224"></A> */</FONT>
242<FONT CLASS="LN">25</FONT><A NAME="225"></A> <FONT CLASS="Public">public</FONT> <FONT CLASS="Int">int</FONT> getFileCount() <FONT CLASS="Throws">throws</FONT> FileNotFoundException, IOException {
243<FONT CLASS="LN">26</FONT><A NAME="226"></A> JarInputStream zis = <FONT CLASS="New">new</FONT> JarInputStream(<FONT CLASS="New">new</FONT> FileInputStream(archiveFile));
244<FONT CLASS="LN">27</FONT><A NAME="227"></A> <FONT CLASS="Int">int</FONT> count = <FONT CLASS="IntegerLiteral">0</FONT>;
245<FONT CLASS="LN">28</FONT><A NAME="228"></A> <FONT CLASS="While">while</FONT> ( zis.getNextJarEntry() != <FONT CLASS="Null">null</FONT>) {
246<FONT CLASS="LN">29</FONT><A NAME="229"></A> count++;
247<FONT CLASS="LN">30</FONT><A NAME="230"></A> }
248<FONT CLASS="LN">31</FONT><A NAME="231"></A> <FONT CLASS="Return">return</FONT> count;
249<FONT CLASS="LN">32</FONT><A NAME="232"></A> }
250<FONT CLASS="LN">33</FONT><A NAME="233"></A>
251<FONT CLASS="LN">34</FONT><A NAME="234"></A> <FONT CLASS="FormalComment">/**
252<FONT CLASS="LN">35</FONT><A NAME="235"></A> * Opens up the zip and extracts the files to the temp dir.
253<FONT CLASS="LN">36</FONT><A NAME="236"></A> *
254<FONT CLASS="LN">37</FONT><A NAME="237"></A> *@param vebose if true Prints out a list of the zips contents on to System.out
255<FONT CLASS="LN">38</FONT><A NAME="238"></A> *@return an ArrayList of java.io.File objects that
256<FONT CLASS="LN">39</FONT><A NAME="239"></A> * will be as per the path in the zip with the root being the temp dir
257<FONT CLASS="LN">40</FONT><A NAME="240"></A> *@exception FileNotFoundException
258<FONT CLASS="LN">41</FONT><A NAME="241"></A> *@exception IOException
259<FONT CLASS="LN">42</FONT><A NAME="242"></A> */</FONT>
260<FONT CLASS="LN">43</FONT><A NAME="243"></A> <FONT CLASS="Public">public</FONT> ArrayList extract(<FONT CLASS="Boolean">boolean</FONT> vebose, <FONT CLASS="Boolean">boolean</FONT> isX) <FONT CLASS="Throws">throws</FONT> FileNotFoundException, IOException {
261<FONT CLASS="LN">44</FONT><A NAME="244"></A> <FONT CLASS="Int">int</FONT> fileCount = getFileCount();
262<FONT CLASS="LN">45</FONT><A NAME="245"></A> <A HREF="../../../../org/tp23/antinstaller/selfextract/ProgressIndicator.java.html">ProgressIndicator</A> indicator = <FONT CLASS="Null">null</FONT>;
263<FONT CLASS="LN">46</FONT><A NAME="246"></A> <FONT CLASS="If">if</FONT>(isX){
264<FONT CLASS="LN">47</FONT><A NAME="247"></A> <FONT CLASS="Try">try</FONT> {
265<FONT CLASS="LN">48</FONT><A NAME="248"></A> indicator = <FONT CLASS="New">new</FONT> <A HREF="../../../../org/tp23/antinstaller/selfextract/ProgressIndicator.java.html">ProgressIndicator</A>(fileCount);
266<FONT CLASS="LN">49</FONT><A NAME="249"></A> indicator.show();
267<FONT CLASS="LN">50</FONT><A NAME="250"></A> }
268<FONT CLASS="LN">51</FONT><A NAME="251"></A> <FONT CLASS="Catch">catch</FONT> ( Exception exc ) {
269<FONT CLASS="LN">52</FONT><A NAME="252"></A> <FONT CLASS="MultiLineComment">/*
270<FONT CLASS="LN">53</FONT><A NAME="253"></A> * Chances are, there are problems with the graphics environment
271<FONT CLASS="LN">54</FONT><A NAME="254"></A> * so trying falling back to text mode
272<FONT CLASS="LN">55</FONT><A NAME="255"></A> */</FONT>
273<FONT CLASS="LN">56</FONT><A NAME="256"></A> graphicsEnv = <FONT CLASS="False">false</FONT>;
274<FONT CLASS="LN">57</FONT><A NAME="257"></A> isX = <FONT CLASS="False">false</FONT>;
275<FONT CLASS="LN">58</FONT><A NAME="258"></A> }
276<FONT CLASS="LN">59</FONT><A NAME="259"></A>
277<FONT CLASS="LN">60</FONT><A NAME="260"></A> }
278<FONT CLASS="LN">61</FONT><A NAME="261"></A> JarInputStream zis = <FONT CLASS="New">new</FONT> JarInputStream(<FONT CLASS="New">new</FONT> FileInputStream(archiveFile));
279<FONT CLASS="LN">62</FONT><A NAME="262"></A> JarEntry entry = <FONT CLASS="Null">null</FONT>;
280<FONT CLASS="LN">63</FONT><A NAME="263"></A> ArrayList result = <FONT CLASS="New">new</FONT> ArrayList();
281<FONT CLASS="LN">64</FONT><A NAME="264"></A> <FONT CLASS="While">while</FONT> ( (entry = zis.getNextJarEntry()) != <FONT CLASS="Null">null</FONT>) {
282<FONT CLASS="LN">65</FONT><A NAME="265"></A> <FONT CLASS="If">if</FONT> (vebose) {
283<FONT CLASS="LN">66</FONT><A NAME="266"></A> System.out.println(<FONT CLASS="StringLiteral">"Extracting:"</FONT> + entry.getName());
284<FONT CLASS="LN">67</FONT><A NAME="267"></A> }
285<FONT CLASS="LN">68</FONT><A NAME="268"></A> result.add(extract(zis, entry));
286<FONT CLASS="LN">69</FONT><A NAME="269"></A> <FONT CLASS="If">if</FONT> (isX) {
287<FONT CLASS="LN">70</FONT><A NAME="270"></A> indicator.tick();
288<FONT CLASS="LN">71</FONT><A NAME="271"></A> }
289<FONT CLASS="LN">72</FONT><A NAME="272"></A> }
290<FONT CLASS="LN">73</FONT><A NAME="273"></A> <FONT CLASS="If">if</FONT> (isX) {
291<FONT CLASS="LN">74</FONT><A NAME="274"></A> indicator.hide();
292<FONT CLASS="LN">75</FONT><A NAME="275"></A> }
293<FONT CLASS="LN">76</FONT><A NAME="276"></A> zis.close();
294<FONT CLASS="LN">77</FONT><A NAME="277"></A> <FONT CLASS="Return">return</FONT> result;
295<FONT CLASS="LN">78</FONT><A NAME="278"></A> }
296<FONT CLASS="LN">79</FONT><A NAME="279"></A>
297<FONT CLASS="LN">80</FONT><A NAME="280"></A>
298<FONT CLASS="LN">81</FONT><A NAME="281"></A>
299<FONT CLASS="LN">82</FONT><A NAME="282"></A> <FONT CLASS="FormalComment">/**
300<FONT CLASS="LN">83</FONT><A NAME="283"></A> * Extract a single file from the stream. N.B. the stream must be in the correct
301<FONT CLASS="LN">84</FONT><A NAME="284"></A> * position for this to work
302<FONT CLASS="LN">85</FONT><A NAME="285"></A> *@param zis ZipInputStream open and ready
303<FONT CLASS="LN">86</FONT><A NAME="286"></A> *@param entry A valid entry read from the stream
304<FONT CLASS="LN">87</FONT><A NAME="287"></A> *@return The inflated file generated in the temp dir
305<FONT CLASS="LN">88</FONT><A NAME="288"></A> *@exception FileNotFoundException
306<FONT CLASS="LN">89</FONT><A NAME="289"></A> *@exception IOException
307<FONT CLASS="LN">90</FONT><A NAME="290"></A> */</FONT>
308<FONT CLASS="LN">91</FONT><A NAME="291"></A> <FONT CLASS="Private">private</FONT> File extract(JarInputStream zis, JarEntry entry) <FONT CLASS="Throws">throws</FONT> FileNotFoundException, IOException {
309<FONT CLASS="LN">92</FONT><A NAME="292"></A> createPath(entry.getName());
310<FONT CLASS="LN">93</FONT><A NAME="293"></A> File fileToUse = <FONT CLASS="New">new</FONT> File(extractDir, entry.getName());
311<FONT CLASS="LN">94</FONT><A NAME="294"></A> <FONT CLASS="If">if</FONT> (fileToUse.exists()) {
312<FONT CLASS="LN">95</FONT><A NAME="295"></A> <FONT CLASS="If">if</FONT> (!overwrite) {
313<FONT CLASS="LN">96</FONT><A NAME="296"></A> <FONT CLASS="Return">return</FONT> fileToUse;
314<FONT CLASS="LN">97</FONT><A NAME="297"></A> }
315<FONT CLASS="LN">98</FONT><A NAME="298"></A> }
316<FONT CLASS="LN">99</FONT><A NAME="299"></A> <FONT CLASS="Else">else</FONT> {
317<FONT CLASS="LN">00</FONT><A NAME="300"></A> fileToUse.createNewFile();
318<FONT CLASS="LN">01</FONT><A NAME="301"></A> }
319<FONT CLASS="LN">02</FONT><A NAME="302"></A> <FONT CLASS="If">if</FONT> (fileToUse.isDirectory()) {
320<FONT CLASS="LN">03</FONT><A NAME="303"></A> <FONT CLASS="Return">return</FONT> fileToUse;
321<FONT CLASS="LN">04</FONT><A NAME="304"></A> }
322<FONT CLASS="LN">05</FONT><A NAME="305"></A>
323<FONT CLASS="LN">06</FONT><A NAME="306"></A> BufferedOutputStream bos = <FONT CLASS="New">new</FONT> BufferedOutputStream(<FONT CLASS="New">new</FONT> FileOutputStream(fileToUse), BUFFER_SIZE);
324<FONT CLASS="LN">07</FONT><A NAME="307"></A> <FONT CLASS="Byte">byte</FONT>[] bytes = <FONT CLASS="New">new</FONT> <FONT CLASS="Byte">byte</FONT>[BUFFER_SIZE];
325<FONT CLASS="LN">08</FONT><A NAME="308"></A> <FONT CLASS="Int">int</FONT> len = <FONT CLASS="IntegerLiteral">0</FONT>;
326<FONT CLASS="LN">09</FONT><A NAME="309"></A> <FONT CLASS="While">while</FONT> ( (len = zis.read(bytes)) &gt;= <FONT CLASS="IntegerLiteral">0</FONT>) {
327<FONT CLASS="LN">10</FONT><A NAME="310"></A> bos.write(bytes, <FONT CLASS="IntegerLiteral">0</FONT>, len);
328<FONT CLASS="LN">11</FONT><A NAME="311"></A> }
329<FONT CLASS="LN">12</FONT><A NAME="312"></A> bos.close();
330<FONT CLASS="LN">13</FONT><A NAME="313"></A> zis.closeEntry();
331<FONT CLASS="LN">14</FONT><A NAME="314"></A> <FONT CLASS="Return">return</FONT> fileToUse;
332<FONT CLASS="LN">15</FONT><A NAME="315"></A> }
333<FONT CLASS="LN">16</FONT><A NAME="316"></A>
334<FONT CLASS="LN">17</FONT><A NAME="317"></A> <FONT CLASS="FormalComment">/**
335<FONT CLASS="LN">18</FONT><A NAME="318"></A> * This adds all the necessary directories in the root of the zip path to the
336<FONT CLASS="LN">19</FONT><A NAME="319"></A> * temp dir.
337<FONT CLASS="LN">20</FONT><A NAME="320"></A> *@param entryName The string name in the Zip file (virtual path)
338<FONT CLASS="LN">21</FONT><A NAME="321"></A> *@exception IOException if the directories can not be made
339<FONT CLASS="LN">22</FONT><A NAME="322"></A> */</FONT>
340<FONT CLASS="LN">23</FONT><A NAME="323"></A> <FONT CLASS="Private">private</FONT> <FONT CLASS="Void">void</FONT> createPath(String entryName) <FONT CLASS="Throws">throws</FONT> IOException {
341<FONT CLASS="LN">24</FONT><A NAME="324"></A> <FONT CLASS="Int">int</FONT> slashIdx = entryName.lastIndexOf(<FONT CLASS="CharacerLiteral">'/'</FONT>);
342<FONT CLASS="LN">25</FONT><A NAME="325"></A> <FONT CLASS="If">if</FONT> (slashIdx &gt;= <FONT CLASS="IntegerLiteral">0</FONT>) {
343<FONT CLASS="LN">26</FONT><A NAME="326"></A> <FONT CLASS="SingleLineComment">// there is path info
344<FONT CLASS="LN">27</FONT><A NAME="327"></A></FONT> String firstPath = entryName.substring(<FONT CLASS="IntegerLiteral">0</FONT>, slashIdx);
345<FONT CLASS="LN">28</FONT><A NAME="328"></A> File dir = <FONT CLASS="New">new</FONT> File(extractDir, firstPath);
346<FONT CLASS="LN">29</FONT><A NAME="329"></A> <FONT CLASS="If">if</FONT> (!dir.exists()) {
347<FONT CLASS="LN">30</FONT><A NAME="330"></A> dir.mkdirs();
348<FONT CLASS="LN">31</FONT><A NAME="331"></A> }
349<FONT CLASS="LN">32</FONT><A NAME="332"></A> }
350<FONT CLASS="LN">33</FONT><A NAME="333"></A> }
351<FONT CLASS="LN">34</FONT><A NAME="334"></A>
352<FONT CLASS="LN">35</FONT><A NAME="335"></A> <FONT CLASS="FormalComment">/**
353<FONT CLASS="LN">36</FONT><A NAME="336"></A> * Run method to use from the command line. This is fired via an entry in the
354<FONT CLASS="LN">37</FONT><A NAME="337"></A> * MANIFEST.MF in the Jar
355<FONT CLASS="LN">38</FONT><A NAME="338"></A> *@param args The command line arguments
356<FONT CLASS="LN">39</FONT><A NAME="339"></A> */</FONT>
357<FONT CLASS="LN">40</FONT><A NAME="340"></A> <FONT CLASS="Public">public</FONT> <FONT CLASS="Static">static</FONT> <FONT CLASS="Void">void</FONT> main(String[] args) {
358<FONT CLASS="LN">41</FONT><A NAME="341"></A> testX();
359<FONT CLASS="LN">42</FONT><A NAME="342"></A> <FONT CLASS="SingleLineComment">// FIXME move after parseArgs() and set graphicsEnv if text selected
360<FONT CLASS="LN">43</FONT><A NAME="343"></A></FONT> <FONT CLASS="SingleLineComment">// will need to test SelfExtractor and comment parseArgs() to ensure
361<FONT CLASS="LN">44</FONT><A NAME="344"></A></FONT> <FONT CLASS="SingleLineComment">// no side effects in the future.
362<FONT CLASS="LN">45</FONT><A NAME="345"></A></FONT> <A HREF="../../../../org/tp23/antinstaller/selfextract/SelfExtractor.java.html">SelfExtractor</A> extractor = <FONT CLASS="Null">null</FONT>;
363<FONT CLASS="LN">46</FONT><A NAME="346"></A> <FONT CLASS="Try">try</FONT> {
364<FONT CLASS="LN">47</FONT><A NAME="347"></A> <FONT CLASS="Boolean">boolean</FONT> verbose = <FONT CLASS="False">false</FONT>;
365<FONT CLASS="LN">48</FONT><A NAME="348"></A> extractor = <FONT CLASS="New">new</FONT> <A HREF="../../../../org/tp23/antinstaller/selfextract/SelfExtractor.java.html">SelfExtractor</A>();
366<FONT CLASS="LN">49</FONT><A NAME="349"></A> extractor.init();
367<FONT CLASS="LN">50</FONT><A NAME="350"></A> extractor.extract(verbose, graphicsEnv);
368<FONT CLASS="LN">51</FONT><A NAME="351"></A> }
369<FONT CLASS="LN">52</FONT><A NAME="352"></A> <FONT CLASS="Catch">catch</FONT> (Exception e) {
370<FONT CLASS="LN">53</FONT><A NAME="353"></A> e.printStackTrace();
371<FONT CLASS="LN">54</FONT><A NAME="354"></A> String tempDir = <FONT CLASS="StringLiteral">"unknown"</FONT>;
372<FONT CLASS="LN">55</FONT><A NAME="355"></A> <FONT CLASS="If">if</FONT>(extractor != <FONT CLASS="Null">null</FONT>){
373<FONT CLASS="LN">56</FONT><A NAME="356"></A> tempDir = extractor.getExtractDir().getAbsolutePath();
374<FONT CLASS="LN">57</FONT><A NAME="357"></A> }
375<FONT CLASS="LN">58</FONT><A NAME="358"></A> String warning = <FONT CLASS="StringLiteral">"Could not extract Jar file to directory:"</FONT> + tempDir;
376<FONT CLASS="LN">59</FONT><A NAME="359"></A> printXorTextWarning(warning);
377<FONT CLASS="LN">60</FONT><A NAME="360"></A> }
378<FONT CLASS="LN">61</FONT><A NAME="361"></A>
379<FONT CLASS="LN">62</FONT><A NAME="362"></A> <FONT CLASS="Try">try</FONT> {
380<FONT CLASS="LN">63</FONT><A NAME="363"></A> <A HREF="../../../../org/tp23/antinstaller/runtime/exe/FilterChain.java.html">FilterChain</A> chain = FilterFactory.factory(CONFIG_RESOURCE);
381<FONT CLASS="LN">64</FONT><A NAME="364"></A> <A HREF="../../../../org/tp23/antinstaller/runtime/ExecInstall.java.html">ExecInstall</A> installExec = <FONT CLASS="New">new</FONT> <A HREF="../../../../org/tp23/antinstaller/runtime/ExecInstall.java.html">ExecInstall</A>(chain);
382<FONT CLASS="LN">65</FONT><A NAME="365"></A> installExec.parseArgs(args, <FONT CLASS="False">false</FONT>);
383<FONT CLASS="LN">66</FONT><A NAME="366"></A> installExec.setInstallRoot(extractor.getExtractDir());
384<FONT CLASS="LN">67</FONT><A NAME="367"></A> <FONT CLASS="SingleLineComment">// removes files on exit
385<FONT CLASS="LN">68</FONT><A NAME="368"></A></FONT> installExec.setTempRoot(extractor.getExtractDir());
386<FONT CLASS="LN">69</FONT><A NAME="369"></A>
387<FONT CLASS="LN">70</FONT><A NAME="370"></A> installExec.exec();
388<FONT CLASS="LN">71</FONT><A NAME="371"></A> }
389<FONT CLASS="LN">72</FONT><A NAME="372"></A> <FONT CLASS="Catch">catch</FONT> (<A HREF="../../../../org/tp23/antinstaller/InstallException.java.html">InstallException</A> e1) {
390<FONT CLASS="LN">73</FONT><A NAME="373"></A> System.out.println(<FONT CLASS="StringLiteral">"Cant load filter chain:/org/tp23/antinstaller/runtime/exe/selfextractor.fconfig"</FONT>);
391<FONT CLASS="LN">74</FONT><A NAME="374"></A> e1.printStackTrace();
392<FONT CLASS="LN">75</FONT><A NAME="375"></A> }
393<FONT CLASS="LN">76</FONT><A NAME="376"></A> }
394<FONT CLASS="LN">77</FONT><A NAME="377"></A>
395<FONT CLASS="LN">78</FONT><A NAME="378"></A> <FONT CLASS="FormalComment">/**
396<FONT CLASS="LN">79</FONT><A NAME="379"></A> * This tests for the existence of a graphics environment and sets an
397<FONT CLASS="LN">80</FONT><A NAME="380"></A> * internal flag so the test does not have to be repeated, it may be expensive.
398<FONT CLASS="LN">81</FONT><A NAME="381"></A> * Prior to running this method the isGraphicsEnv() method will be invalid.
399<FONT CLASS="LN">82</FONT><A NAME="382"></A> */</FONT>
400<FONT CLASS="LN">83</FONT><A NAME="383"></A> <FONT CLASS="Protected">protected</FONT> <FONT CLASS="Static">static</FONT> <FONT CLASS="Void">void</FONT> testX(){
401<FONT CLASS="LN">84</FONT><A NAME="384"></A> <FONT CLASS="Try">try</FONT> {
402<FONT CLASS="LN">85</FONT><A NAME="385"></A> java.awt.GraphicsEnvironment.getLocalGraphicsEnvironment();
403<FONT CLASS="LN">86</FONT><A NAME="386"></A> <FONT CLASS="Try">try</FONT> {
404<FONT CLASS="LN">87</FONT><A NAME="387"></A> <FONT CLASS="Boolean">boolean</FONT> headless = java.awt.GraphicsEnvironment.isHeadless();
405<FONT CLASS="LN">88</FONT><A NAME="388"></A> <FONT CLASS="If">if</FONT>(headless) {
406<FONT CLASS="LN">89</FONT><A NAME="389"></A> graphicsEnv = <FONT CLASS="False">false</FONT>;
407<FONT CLASS="LN">90</FONT><A NAME="390"></A> <FONT CLASS="Return">return</FONT>;
408<FONT CLASS="LN">91</FONT><A NAME="391"></A> }
409<FONT CLASS="LN">92</FONT><A NAME="392"></A> } <FONT CLASS="Catch">catch</FONT> (Throwable e) {
410<FONT CLASS="LN">93</FONT><A NAME="393"></A> <FONT CLASS="SingleLineComment">// JDK 1.3 does not have the isHeadless() method but may still work in other situations
411<FONT CLASS="LN">94</FONT><A NAME="394"></A></FONT> }
412<FONT CLASS="LN">95</FONT><A NAME="395"></A> graphicsEnv = <FONT CLASS="True">true</FONT>;
413<FONT CLASS="LN">96</FONT><A NAME="396"></A> }
414<FONT CLASS="LN">97</FONT><A NAME="397"></A> <FONT CLASS="Catch">catch</FONT> (Throwable e) {
415<FONT CLASS="LN">98</FONT><A NAME="398"></A> <FONT CLASS="SingleLineComment">// thus graphicsEnv stays false;
416<FONT CLASS="LN">99</FONT><A NAME="399"></A></FONT> }
417<FONT CLASS="LN">00</FONT><A NAME="400"></A> }
418<FONT CLASS="LN">01</FONT><A NAME="401"></A>
419<FONT CLASS="LN">02</FONT><A NAME="402"></A> <FONT CLASS="FormalComment">/**
420<FONT CLASS="LN">03</FONT><A NAME="403"></A> * @see #testX()
421<FONT CLASS="LN">04</FONT><A NAME="404"></A> * @return true if an X or windows environment is available
422<FONT CLASS="LN">05</FONT><A NAME="405"></A> */</FONT>
423<FONT CLASS="LN">06</FONT><A NAME="406"></A> <FONT CLASS="Protected">protected</FONT> <FONT CLASS="Boolean">boolean</FONT> isGraphicsEnv(){
424<FONT CLASS="LN">07</FONT><A NAME="407"></A> <FONT CLASS="Return">return</FONT> graphicsEnv;
425<FONT CLASS="LN">08</FONT><A NAME="408"></A> }
426<FONT CLASS="LN">09</FONT><A NAME="409"></A>
427<FONT CLASS="LN">10</FONT><A NAME="410"></A> <FONT CLASS="Protected">protected</FONT> <FONT CLASS="Static">static</FONT> <FONT CLASS="Void">void</FONT> printXorTextWarning(String warning){
428<FONT CLASS="LN">11</FONT><A NAME="411"></A> <FONT CLASS="If">if</FONT>(graphicsEnv){
429<FONT CLASS="LN">12</FONT><A NAME="412"></A> <FONT CLASS="Try">try</FONT> {
430<FONT CLASS="LN">13</FONT><A NAME="413"></A> JOptionPane.showMessageDialog(<FONT CLASS="Null">null</FONT>, warning);
431<FONT CLASS="LN">14</FONT><A NAME="414"></A> }
432<FONT CLASS="LN">15</FONT><A NAME="415"></A> <FONT CLASS="Catch">catch</FONT>( HeadlessException headlessExc ) {
433<FONT CLASS="LN">16</FONT><A NAME="416"></A> graphicsEnv = <FONT CLASS="False">false</FONT>;
434<FONT CLASS="LN">17</FONT><A NAME="417"></A> System.out.println(warning);
435<FONT CLASS="LN">18</FONT><A NAME="418"></A> }
436<FONT CLASS="LN">19</FONT><A NAME="419"></A> }
437<FONT CLASS="LN">20</FONT><A NAME="420"></A> <FONT CLASS="Else">else</FONT> {
438<FONT CLASS="LN">21</FONT><A NAME="421"></A> System.out.println(warning);
439<FONT CLASS="LN">22</FONT><A NAME="422"></A> }
440<FONT CLASS="LN">23</FONT><A NAME="423"></A> }
441<FONT CLASS="LN">24</FONT><A NAME="424"></A>
442<FONT CLASS="LN">25</FONT><A NAME="425"></A> <FONT CLASS="Public">public</FONT> <FONT CLASS="Static">static</FONT> <FONT CLASS="Int">int</FONT> deleteRecursive(File directory) {
443<FONT CLASS="LN">26</FONT><A NAME="426"></A> <FONT CLASS="Int">int</FONT> count = <FONT CLASS="IntegerLiteral">0</FONT>;
444<FONT CLASS="LN">27</FONT><A NAME="427"></A> File[] files = directory.listFiles(<FONT CLASS="New">new</FONT> FileFilter() {
445<FONT CLASS="LN">28</FONT><A NAME="428"></A> <FONT CLASS="Public">public</FONT> <FONT CLASS="Boolean">boolean</FONT> accept(File file) {
446<FONT CLASS="LN">29</FONT><A NAME="429"></A> <FONT CLASS="Return">return</FONT>!file.isDirectory();
447<FONT CLASS="LN">30</FONT><A NAME="430"></A> }
448<FONT CLASS="LN">31</FONT><A NAME="431"></A> });
449<FONT CLASS="LN">32</FONT><A NAME="432"></A> <FONT CLASS="For">for</FONT> (<FONT CLASS="Int">int</FONT> i = <FONT CLASS="IntegerLiteral">0</FONT>; i &lt; files.length; i++) {
450<FONT CLASS="LN">33</FONT><A NAME="433"></A> files[i].delete();
451<FONT CLASS="LN">34</FONT><A NAME="434"></A> count++;
452<FONT CLASS="LN">35</FONT><A NAME="435"></A> }
453<FONT CLASS="LN">36</FONT><A NAME="436"></A> File[] dirs = directory.listFiles(<FONT CLASS="New">new</FONT> FileFilter() {
454<FONT CLASS="LN">37</FONT><A NAME="437"></A> <FONT CLASS="Public">public</FONT> <FONT CLASS="Boolean">boolean</FONT> accept(File file) {
455<FONT CLASS="LN">38</FONT><A NAME="438"></A> <FONT CLASS="Return">return</FONT> file.isDirectory();
456<FONT CLASS="LN">39</FONT><A NAME="439"></A> }
457<FONT CLASS="LN">40</FONT><A NAME="440"></A> });
458<FONT CLASS="LN">41</FONT><A NAME="441"></A> <FONT CLASS="For">for</FONT> (<FONT CLASS="Int">int</FONT> i = <FONT CLASS="IntegerLiteral">0</FONT>; i &lt; dirs.length; i++) {
459<FONT CLASS="LN">42</FONT><A NAME="442"></A> count += deleteRecursive(dirs[i]);
460<FONT CLASS="LN">43</FONT><A NAME="443"></A> }
461<FONT CLASS="LN">44</FONT><A NAME="444"></A> directory.delete();
462<FONT CLASS="LN">45</FONT><A NAME="445"></A> <FONT CLASS="Return">return</FONT> count;
463<FONT CLASS="LN">46</FONT><A NAME="446"></A> }
464<FONT CLASS="LN">47</FONT><A NAME="447"></A>
465<FONT CLASS="LN">48</FONT><A NAME="448"></A> <FONT CLASS="FormalComment">/**
466<FONT CLASS="LN">49</FONT><A NAME="449"></A> * UN-URL encode string
467<FONT CLASS="LN">50</FONT><A NAME="450"></A> * TODO should this not support UNICODE escapes
468<FONT CLASS="LN">51</FONT><A NAME="451"></A> */</FONT>
469<FONT CLASS="LN">52</FONT><A NAME="452"></A> <FONT CLASS="Private">private</FONT> <FONT CLASS="Static">static</FONT> String unescape(<FONT CLASS="Final">final</FONT> String s) {
470<FONT CLASS="LN">53</FONT><A NAME="453"></A> StringBuffer sb = <FONT CLASS="New">new</FONT> StringBuffer(s.length());
471<FONT CLASS="LN">54</FONT><A NAME="454"></A>
472<FONT CLASS="LN">55</FONT><A NAME="455"></A> <FONT CLASS="For">for</FONT> (<FONT CLASS="Int">int</FONT> i = <FONT CLASS="IntegerLiteral">0</FONT>; i &lt; s.length(); i++) {
473<FONT CLASS="LN">56</FONT><A NAME="456"></A> <FONT CLASS="Char">char</FONT> c = s.charAt(i);
474<FONT CLASS="LN">57</FONT><A NAME="457"></A> <FONT CLASS="Switch">switch</FONT> (c) {
475<FONT CLASS="LN">58</FONT><A NAME="458"></A> <FONT CLASS="Case">case</FONT> <FONT CLASS="CharacerLiteral">'%'</FONT>: {
476<FONT CLASS="LN">59</FONT><A NAME="459"></A> <FONT CLASS="Try">try</FONT> {
477<FONT CLASS="LN">60</FONT><A NAME="460"></A> sb.append( (<FONT CLASS="Char">char</FONT>) Integer.parseInt(s.substring(i + <FONT CLASS="IntegerLiteral">1</FONT>, i + <FONT CLASS="IntegerLiteral">3</FONT>), <FONT CLASS="IntegerLiteral">16</FONT>));
478<FONT CLASS="LN">61</FONT><A NAME="461"></A> i += <FONT CLASS="IntegerLiteral">2</FONT>;
479<FONT CLASS="LN">62</FONT><A NAME="462"></A> <FONT CLASS="Break">break</FONT>;
480<FONT CLASS="LN">63</FONT><A NAME="463"></A> }
481<FONT CLASS="LN">64</FONT><A NAME="464"></A> <FONT CLASS="Catch">catch</FONT> (NumberFormatException nfe) {
482<FONT CLASS="LN">65</FONT><A NAME="465"></A> <FONT CLASS="Throw">throw</FONT> <FONT CLASS="New">new</FONT> IllegalArgumentException();
483<FONT CLASS="LN">66</FONT><A NAME="466"></A> }
484<FONT CLASS="LN">67</FONT><A NAME="467"></A> <FONT CLASS="Catch">catch</FONT> (StringIndexOutOfBoundsException siob) {
485<FONT CLASS="LN">68</FONT><A NAME="468"></A> String end = s.substring(i);
486<FONT CLASS="LN">69</FONT><A NAME="469"></A> sb.append(end);
487<FONT CLASS="LN">70</FONT><A NAME="470"></A> <FONT CLASS="If">if</FONT> (end.length() == <FONT CLASS="IntegerLiteral">2</FONT>) i++;
488<FONT CLASS="LN">71</FONT><A NAME="471"></A> }
489<FONT CLASS="LN">72</FONT><A NAME="472"></A> <FONT CLASS="Break">break</FONT>;
490<FONT CLASS="LN">73</FONT><A NAME="473"></A> }
491<FONT CLASS="LN">74</FONT><A NAME="474"></A> <FONT CLASS="Default">default</FONT>: {
492<FONT CLASS="LN">75</FONT><A NAME="475"></A> sb.append(c);
493<FONT CLASS="LN">76</FONT><A NAME="476"></A> <FONT CLASS="Break">break</FONT>;
494<FONT CLASS="LN">77</FONT><A NAME="477"></A> }
495<FONT CLASS="LN">78</FONT><A NAME="478"></A> }
496<FONT CLASS="LN">79</FONT><A NAME="479"></A> }
497<FONT CLASS="LN">80</FONT><A NAME="480"></A> <FONT CLASS="Return">return</FONT> sb.toString();
498<FONT CLASS="LN">81</FONT><A NAME="481"></A> }
499<FONT CLASS="LN">82</FONT><A NAME="482"></A>
500<FONT CLASS="LN">83</FONT><A NAME="483"></A>}
501<FONT CLASS="LN">84</FONT><A NAME="484"></A></pre>
502</BODY>
503</HTML>
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