decompiler and applet changed the package git-svn-id: https://svn.code.sf.net/p/jode/code/trunk@1197 379699f6-c40d-0410-875b-85095c16579ebranch_1_1
jochen
25 years ago
parent
80e2a7916c
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<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML 3.0//EN"> |
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<html> |
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<head> |
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<title>Java Optimize and Decompile Environment (JODE)</title> |
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<meta name="robots" content="noindex"> |
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<meta name="date" content="1999-10-24"> |
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</head> |
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|
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<body> |
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<table cellpadding=4 cellspacing=1 width=100%> |
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<tr> |
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<td></td> |
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<td> <img src="jode-logo.gif" alt="JODE" width=286 height=110></td> |
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</tr> |
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<tr> |
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<td valign="top"> |
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<B><a href="http://www.informatik.uni-oldenburg.de/~delwi">Homepage</a></B> |
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<br><br> |
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<a href="jode.html"> |
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<B>Jode</B></a> |
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<ul> |
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<li>Test It Online</li> |
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<li><a href="download.html">Download</a></li> |
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<li><a href="usage.html">Usage</a></li> |
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<li><a href="license.html">License</a></li> |
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<li><a href="history.html">History</a></li> |
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</ul> |
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</td> |
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<td> |
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<h1>The <i>JODE</i> Applet</h1> |
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|
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<applet code="jode/JodeApplet.class" archive="jode-applet.jar" width=540 height=400> |
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<param name=classpath |
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value="http://www.informatik.uni-oldenburg.de/~mw/plasma.jar"> |
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<param name=class value="PlasmaApplet"> |
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</applet><br><br>http://www.informatik.uni-oldenburg.de |
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|
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Press the start button to decompile <a |
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href="http://www.informatik.uni-oldenburg.de/~mw/">Michael</a>'s <a |
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href="http://www.informatik.uni-oldenburg.de/~mw/plasma">Plasma |
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applet</a>. You may change the classpath and class name to point to a |
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class file of your choice. But note that most browsers doesn't allow |
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loading files from a different server.<br><br> |
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|
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Save probably doesn't work, because it is forbidden by the browser.<br><br> |
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|
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You may give multiple entries in the class path field separated by a |
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comma. The components may be local or remote zip or jar files or |
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directories. Note that browsers forbid accesses to different hosts or |
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local files that are not in a subdirectory of the applet |
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directory.<br><br> |
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|
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|
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<h1>Removing security restrictions under Internet Explorer</h1> |
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|
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<p>This information was submitted by <a |
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href="mailto:PopescuM@health.missouri.edu">Mihail Popescu |
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<PopescuM@health.missouri.edu></a>. Please note that this will |
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<i>give all applets on our web server full access to your computer</i>, |
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so use it at your own risk.</p> |
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|
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<p>Go to the View/Internet Options... dialog<br> |
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Select the "Security" tab</p> |
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<ul> |
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<li>Set "Zone:" to "Trusted sites zone"</li> |
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<li>Click "Add Sites..." |
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<ul><li>Add http://www.informatik.uni-oldenburg.de</li> |
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<li>Uncheck "Requires server verificaton..."</li> |
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<li>Click "OK"</li> |
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</ul></li> |
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<li>Check "Custom (for expert users)"</li> |
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<li>Click "Settings..." |
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<ul><li>Under Java/Java permissions, check "Custom"</li> |
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<li>Click "Java Custom Settings" |
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<ul><li>Select "Edit Permissions" tab</li> |
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<li>Under "Unsigned Content"/"Run Unsigned Content", make sure |
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"Run in sandbox" is checked and then check all the "Enable" |
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buttons under "Additional Unsigned Permissions"</li> |
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<li>Click "OK"</li> |
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</ul></li> |
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<li>Click "OK"</li> |
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</ul></li> |
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<li>Click "OK"</li> |
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</ul> |
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</td> |
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</table> |
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|
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<hr> |
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|
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<p><A HREF="mailto:Jochen.Hoenicke@Informatik.Uni-Oldenburg.DE"> |
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http://www.informatik.uni-oldenburg.de/~delwi/jode/applet.html</A>, last |
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updated on <em>24-Okt-1999</em>.</p> |
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|
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</body> |
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</html> |
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@ -0,0 +1,110 @@ |
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<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML 3.0//EN"> |
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<html> |
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<head> |
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<title>Java Optimize and Decompile Environment (JODE)</title> |
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<meta name="description" content="The home page of jode, my Java decompiler."> |
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<meta name="author" content="Jochen Hoenicke"> |
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<meta name="robots" content="noindex"> |
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<meta name="robots" content="nofollow"> |
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<meta name="date" content="1999-10-24"> |
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</head> |
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|
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<body> |
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<table cellpadding=4 cellspacing=1 width=100%> |
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<tr> |
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<td></td> |
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<td> <img src="jode-logo.png" alt="JODE" width=286 height=110></td> |
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</tr> |
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<tr> |
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<td valign="top"> |
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<B><a href="http://www.informatik.uni-oldenburg.de/~delwi">Homepage</a></B> |
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<br><br> |
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<a href="jode.html"><B>Jode</B></a> |
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<ul> |
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<li><a href="applet.html">Test It Online</a></li> |
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<li><a href="download.html">Download</a></li> |
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<li><a href="usage.html">Usage</a></li> |
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<li><a href="license.html">License</a></li> |
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<li><a href="history.html">History</a></li> |
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<li>Blue Sky</li> |
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</ul> |
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</td> |
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<td> |
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<h1>Blue Sky</h1> |
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<p>This section contains features that I think would be great to have, |
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but are also very hard to implement. The name of the section is |
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inspired, by <a |
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href="http://www.mozilla.org/blue-sky/">Mozilla</a>.</p> |
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|
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<p>Currently this are all my own ideas. But if you send me an idea |
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for an interesting feature, I will add it to this list.</p> |
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|
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<h2><i>Out</i>line inlined methods</h2> |
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<p>If java gets called with `<code>-O</code>' switch, it inlines methods, |
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that are private, final, or static and contain no loops. When |
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decompiling this it sometimes produces really ugly code. The right |
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way to solve this would be to <i>out</i>line the code again. This is |
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possible but requires to find the inlined method. </p> |
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|
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<p>The name `outline' was suggested by <a |
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href="http://www.informatik.uni-oldenburg.de/~mw">Michael</a>. |
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</p> |
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|
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<h2>Better names of local variables</h2> |
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|
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<p>The local variable naming is very stupid. Even with pretty it just |
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names the variable after the type with a unifying number appended. A |
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method containing very much objects of the same type looks very |
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ugly. </p> |
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|
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<p>My plans here are to look at the assignments. If we have locals in |
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assignments |
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<pre> |
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int l_1 = array.length |
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String l_2 = object.getName() |
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</pre> |
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we could name them "length" and "name". If we |
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have assignments: |
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<pre> |
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MenuItem local_1 = new MenuItem("Open"); |
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MenuItem local_2 = new MenuItem("Save"); |
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</pre> |
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good names would be <code>miOpen</code> and <code>miSave</code>. </p> |
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|
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<p>It is currently possible to assign a <i>hint name,type</i> pair to |
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a local. If the type matches, the local will be named after <i>hint |
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name</i>. This could be extended by giving them several weighted |
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hints and constructing the name in an intelligent way. </p> |
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|
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<h2>Better deobfuscation features</h2> |
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<p>First there should be a good Renamer: Methods that simply |
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return a fields value should be renamed to get<i>FieldName</i>. |
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Fields should be named after their type, maybe also by assignments |
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(see section about local variable names).</p> |
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|
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<p>The deobfuscator should detect inner and anonymous variables, |
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synthetic methods and so on, and rename them accordingly.</p> |
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|
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<h2>Handling of Class.forName in obfuscator</h2> |
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<p>The obfuscator should detect Class.forName constructs (and |
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similarly for methods and fields) and if their parameters are constant |
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it should change the parameter according to the rename function. </p> |
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|
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<h2>Merging javadoc comments</h2> |
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<p>It would be nice if the decompiler could merge the javadoc comments |
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into the class file. More and more people use javadoc to comment the |
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public api of their java classes. It shouldn't be too difficult to |
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take them and back into the java code. </p> |
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</td> |
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</table> |
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|
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<hr> |
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|
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<p><A HREF="mailto:Jochen.Hoenicke@Informatik.Uni-Oldenburg.DE"> |
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http://www.informatik.uni-oldenburg.de/~delwi/jode/jode.html</A>, last |
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updated on <em>24-Okt-1999</em>.</p> |
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|
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</body> |
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</html> |
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