paulk-asert commented on a change in pull request #1171: GROOVY-9416: Avoid
unnecessary looking up non default import classes …
URL: https://github.com/apache/groovy/pull/1171#discussion_r383087529
##########
File path: src/main/java/org/codehaus/groovy/vmplugin/v9/Java9.java
##########
@@ -81,15 +91,40 @@
result.putAll(doFindClasses(URI.create("jrt:/modules/java.base/"),
"java", javaPns));
try {
- URI gsLocation =
DefaultGroovyMethods.getLocation(GroovySystem.class).toURI();
- result.putAll(doFindClasses(gsLocation, "groovy", groovyPns));
+ List<URI> foundURIList = new LinkedList<>();
+ result.putAll(doFindGroovyClasses("groovy.lang.GroovySystem",
groovyPns, foundURIList));
+
+ // in user production environment, Groovy core classes, e.g.
`GroovySystem`(java class) and `GrapeIvy`(groovy class) are all packaged in the
groovy core jar file,
+ // but in Groovy development environment, Groovy core classes are
distributed in different directories
+ result.putAll(doFindGroovyClasses("groovy.grape.GrapeIvy",
groovyPns, foundURIList));
} catch (Exception e) {
- System.err.println("[WARNING] Failed to get default imported
groovy classes: " + e.getMessage());
+ throw new GroovyBugError("Failed to get default imported groovy
classes", e);
}
return result;
}
+ private Map<String, Set<String>> doFindGroovyClasses(String cn,
List<String> groovyPns, List<URI> foundURIList) throws URISyntaxException {
+ GroovyClassLoader groovyClassLoader = new GroovyClassLoader();
+ URI classpathEntryURI;
+ try {
+ Class<?> clazz = groovyClassLoader.loadClass(cn);
+ classpathEntryURI =
DefaultGroovyMethods.getLocation(clazz).toURI();
Review comment:
I agree with Jochen. More optimisation of imports is a good thing. Failing
resolution for the case of a cache miss, rather than falling back to a slower
path seems to me to be too big to do as a "tweak".
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