Uses 1311K of libraries. Click here for Pure Java version (2734L/16K).
1 | !include once #1019934 // BCEL |
2 | |
3 | import org.apache.bcel.classfile.Attribute; |
4 | import org.apache.bcel.classfile.SourceFile; |
5 | import org.apache.bcel.generic.*; |
6 | |
7 | svoid changeJavaVersionInClassFile(File classFile, int newMajor, int newMinor) ctex {
|
8 | JavaClass c = new ClassParser(classFile.getPath(), classFile.getName()).parse(); |
9 | int major = c.getMajor(), minor = c.getMinor(); |
10 | print("Current Java version of " + classFile + ": " + major + "." + minor);
|
11 | if (major == newMajor && minor == newMinor) ret; |
12 | print(" Patching to " + newMajor + "." + newMinor);
|
13 | |
14 | ClassGen g = new ClassGen(c); |
15 | g.setMajor(newMajor); |
16 | g.setMinor(newMinor); |
17 | c = g.getJavaClass(); |
18 | c.dump(classFile); // overwrite! |
19 | print(" Done");
|
20 | } |
Began life as a copy of #1004069
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| Snippet ID: | #1030868 |
| Snippet name: | changeJavaVersionInClassFile |
| Eternal ID of this version: | #1030868/4 |
| Text MD5: | f35a5bc55dd1e9359d273af9df82d3b4 |
| Transpilation MD5: | b0e2b5d833a0b6dae56f22383df37103 |
| Author: | stefan |
| Category: | javax |
| Type: | JavaX fragment (include) |
| Public (visible to everyone): | Yes |
| Archived (hidden from active list): | No |
| Created/modified: | 2021-04-04 20:38:23 |
| Source code size: | 738 bytes / 20 lines |
| Pitched / IR pitched: | No / No |
| Views / Downloads: | 185 / 264 |
| Version history: | 3 change(s) |
| Referenced in: | [show references] |