I know it isn't advised but I have my various reasons.
What are some of the best ways to invoke clojure scripts from Java but
still maintain the state of the current session.
For example, if I run a script from Java, is there a way to ensure
that script has already been run...say if I run another script.
I was doing the following.
----------------------
package test.toolkit.clojure;
import clojure.lang.Namespace;
import clojure.lang.RT;
import clojure.lang.Symbol;
import clojure.lang.Var;
public class TestSpringLoadClojure {
final static private Symbol CLOJURE_MAIN = Symbol.create
("clojure.main");
final static private Namespace CLOJURE_MAIN_NS =
Namespace.findOrCreate(CLOJURE_MAIN);
final static private Var REQUIRE = Var.intern(RT.CLOJURE_NS,
Symbol.create("require"));
final static private Var LEGACY_REPL = Var.intern(CLOJURE_MAIN_NS,
Symbol.create("legacy-repl"));
final static private Var LEGACY_SCRIPT = Var.intern(CLOJURE_MAIN_NS,
Symbol.create("legacy-script"));
final static private Var MAIN = Var.intern(CLOJURE_MAIN_NS,
Symbol.create("main"));
private static void legacy_script(String[] args) throws Exception {
REQUIRE.invoke(CLOJURE_MAIN);
LEGACY_SCRIPT.invoke(RT.seq(args));
}
private static void invoke_script(String[] args) throws Exception {
LEGACY_SCRIPT.invoke(RT.seq(args));
}
public static void main(final String [] args) throws Exception {
final String [] scripts = { };
final String [] scripts2 = { "clj/utils/test_use_utils.clj" };
legacy_script(scripts);
Var.intern(Namespace.findOrCreate(Symbol.create("clojure")),
Symbol.create("*console*"), "abc");
invoke_script(scripts2);
}
}
But I get an error message:
[java] java.lang.Exception: Unable to resolve symbol: *console*
in this context (test_use_utils.clj:45)
[java] at org.apache.tools.ant.taskdefs.ExecuteJava.execute
(ExecuteJava.java:194)
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