我正在尝试在Clojure中访问此文件的常数:
public interface CacheConstants
{
/** This is the name of the config file that we will look for by default. */
String DEFAULT_CONFIG = "/cache.ccf";
/** Delimiter of a cache name component. This is used for hierarchical deletion */
String NAME_COMPONENT_DELIMITER = ":";
}
clojure尝试:
(import '[org.apache.jcs.engine.CacheConstants])
org.apache.jcs.engine.CacheConstants/DEFAULT_CONFIG
;; clojure.lang.Compiler$CompilerException: java.lang.ClassNotFoundException: org.apache.jcs.engine.CacheConstants
如何访问这两个值?
以下可与本地Java接口一起使用:
文件:src-java/jroot/const.java
package jroot;
public interface Const {
long ANSWER = 42;
文件:project.clj
(defproject clj "0.1.0-SNAPSHOT"
<snip>
:java-source-paths ["src-java"]
)
clojure代码:
(ns tst.clj.core
(:require ...)
(:import [jroot Const])
)
(println Const/ANSWER)
---------
Const/ANSWER => 42
请注意:import
向量中的空间(非常重要(。
另外,如果JAR文件是本地使用此语法:
(defproject test-project "0.1.0-SNAPSHOT"
:description "Blah blah blah"
...
:resource-paths ["resources/Siebel.jar" "resources/SiebelJI_enu.jar"])