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ScriptEngine创建方式优化

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wangbin
2024-06-14 12:33:32 +08:00
parent 7ab038cd59
commit fb558c6bdc
1 changed files with 7 additions and 5 deletions
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12
report-core/src/main/java/com/anjiplus/template/gaea/business/modules/datasetparam/service/impl/DataSetParamServiceImpl.java
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@@ -33,11 +33,13 @@ import java.util.Set;
@Slf4j @Slf4j
public class DataSetParamServiceImpl implements DataSetParamService { public class DataSetParamServiceImpl implements DataSetParamService {
static final Set<String> blackList = Sets.newHashSet("java.lang.ProcessBuilder", "java.lang.Runtime", "java.lang.ProcessImpl"); static final Set<String> blackList = Sets.newHashSet("java.lang.ProcessBuilder", "java.lang.Runtime", "java.lang.ProcessImpl");
private static final ThreadLocal<ScriptEngine> engineHolder = ThreadLocal.withInitial(() -> {
private ScriptEngine engine;
{
NashornScriptEngineFactory factory = new NashornScriptEngineFactory(); NashornScriptEngineFactory factory = new NashornScriptEngineFactory();
engine = factory.getScriptEngine(clz -> !blackList.contains(clz)); ScriptEngine engine = factory.getScriptEngine(clz -> !blackList.contains(clz));
return engine;
});
public static ScriptEngine getEngine() {
return engineHolder.get();
} }
@Autowired @Autowired
@@ -96,10 +98,10 @@ public class DataSetParamServiceImpl implements DataSetParamService {
*/ */
@Override @Override
public Object verification(DataSetParamDto dataSetParamDto) { public Object verification(DataSetParamDto dataSetParamDto) {
String validationRules = dataSetParamDto.getValidationRules(); String validationRules = dataSetParamDto.getValidationRules();
if (StringUtils.isNotBlank(validationRules)) { if (StringUtils.isNotBlank(validationRules)) {
try { try {
ScriptEngine engine = getEngine();
engine.eval(validationRules); engine.eval(validationRules);
if(engine instanceof Invocable){ if(engine instanceof Invocable){
Invocable invocable = (Invocable) engine; Invocable invocable = (Invocable) engine;