502647092
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YumCore
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feat: 循环判断ext目录寻找js引擎文件并且加载 

Signed-off-by: 502647092 <admin@yumc.pw>
merge/11/HEAD
502647092 2017-11-11 18:13:37 +08:00
parent d3b8226b69
commit e74c8275e2
2 changed files with 20 additions and 14 deletions
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2
pom.xml
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@ -4,7 +4,7 @@
<modelVersion>4.0.0</modelVersion>
<groupId>pw.yumc</groupId>
<artifactId>YumCore</artifactId>
<version>1.8.6</version>
<version>1.8.7</version>
<build>
<finalName>${project.artifactId}</finalName>
<plugins>

32
src/main/java/pw/yumc/YumCore/engine/MiaoScriptEngine.java
View File

@ -18,6 +18,8 @@ import javax.script.ScriptEngineManager;
import javax.script.ScriptException;
import javax.script.SimpleBindings;
import lombok.val;
/**
* 喵式脚本引擎
*
@ -59,21 +61,25 @@ public class MiaoScriptEngine implements ScriptEngine, Invocable {
} catch (final NullPointerException ignored) {
}
if (engine == null) {
File nashorn = new File(System.getProperty("java.ext.dirs").split(File.pathSeparator)[0], "nashorn.jar");
if (nashorn.exists()) {
try {
Method method = URLClassLoader.class.getDeclaredMethod("addURL", URL.class);
// 设置方法的访问权限
method.setAccessible(true);
// 获取系统类加载器
URL url = nashorn.toURI().toURL();
method.invoke(Thread.currentThread().getContextClassLoader(), url);
engineManager = new ScriptEngineManager();
engine = engineManager.getEngineByName(engineType);
} catch (NoSuchMethodException | MalformedURLException | IllegalAccessException | InvocationTargetException ignored) {
ignored.printStackTrace();
val dirs = System.getProperty("java.ext.dirs").split(File.pathSeparator);
for (String dir : dirs) {
File nashorn = new File(dir, "nashorn.jar");
if (nashorn.exists()) {
try {
Method method = URLClassLoader.class.getDeclaredMethod("addURL", URL.class);
// 设置方法的访问权限
method.setAccessible(true);
// 获取系统类加载器
URL url = nashorn.toURI().toURL();
method.invoke(Thread.currentThread().getContextClassLoader(), url);
engineManager = new ScriptEngineManager();
engine = engineManager.getEngineByName(engineType);
} catch (NoSuchMethodException | MalformedURLException | IllegalAccessException | InvocationTargetException | NullPointerException ignored) {
}
return;
}
}
throw new UnsupportedOperationException("当前环境不支持 " + engineType + " 脚本类型!");
}
}