I need to create runnable .jar
file programmatically from a string. My decision is to create a .class
file from string and add it to the .jar
using JarOutputStream.
.class
file? .jar
from the source code? In order to do that, you can use the Java Compiler API .
There is this excellent tutorial that can walk you through.
To compile code, you need a compiler. You can either use the Sun Oracle compiler or the Eclipse compiler. Calling the compiler API (both have documented APIs) will produce a .class file in a temporary location. You can then make a jar.
For an example of this sort of thing, start with, for example, the Maven Compiler Plugin , which is a Java module which uses the compiler API. You'll have to find your way into the Plexus compiler module.
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