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add qlexpress support

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This commit is contained in:
Looly
2022-10-12 13:44:19 +08:00
parent 9ecc1406b8
commit 9ecd578896
5 changed files with 70 additions and 4 deletions
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38
hutool-extra/src/main/java/cn/hutool/extra/expression/engine/qlexpress/QLExpressEngine.java Executable file
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@@ -0,0 +1,38 @@
package cn.hutool.extra.expression.engine.qlexpress;
import cn.hutool.extra.expression.ExpressionEngine;
import cn.hutool.extra.expression.ExpressionException;
import com.ql.util.express.DefaultContext;
import com.ql.util.express.ExpressRunner;
import java.util.Map;
/**
* QLExpress引擎封装<br>
* 见：https://github.com/alibaba/QLExpress
*
* @author looly
* @since 5.8.9
*/
public class QLExpressEngine implements ExpressionEngine {
private final ExpressRunner engine;
/**
* 构造
*/
public QLExpressEngine() {
engine = new ExpressRunner();
}
@Override
public Object eval(final String expression, final Map<String, Object> context) {
final DefaultContext<String, Object> defaultContext = new DefaultContext<>();
defaultContext.putAll(context);
try {
return engine.execute(expression, defaultContext, null, true, false);
} catch (final Exception e) {
throw new ExpressionException(e);
}
}
}

7
hutool-extra/src/main/java/cn/hutool/extra/expression/engine/qlexpress/package-info.java Executable file
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@@ -0,0 +1,7 @@
/**
* QLExpress引擎封装<br>
* 见：https://github.com/alibaba/QLExpress
*
* @author looly
*/
package cn.hutool.extra.expression.engine.qlexpress;

3
hutool-extra/src/main/resources/META-INF/services/cn.hutool.extra.expression.ExpressionEngine
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@@ -3,4 +3,5 @@ cn.hutool.extra.expression.engine.jexl.JexlEngine
cn.hutool.extra.expression.engine.mvel.MvelEngine
cn.hutool.extra.expression.engine.jfireel.JfireELEngine
cn.hutool.extra.expression.engine.spel.SpELEngine
cn.hutool.extra.expression.engine.rhino.RhinoEngine
cn.hutool.extra.expression.engine.rhino.RhinoEngine
cn.hutool.extra.expression.engine.qlexpress.QLExpressEngine

13
hutool-extra/src/test/java/cn/hutool/extra/expression/ExpressionUtilTest.java
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@@ -4,6 +4,7 @@ import cn.hutool.core.map.Dict;
import cn.hutool.extra.expression.engine.jexl.JexlEngine;
import cn.hutool.extra.expression.engine.jfireel.JfireELEngine;
import cn.hutool.extra.expression.engine.mvel.MvelEngine;
import cn.hutool.extra.expression.engine.qlexpress.QLExpressEngine;
import cn.hutool.extra.expression.engine.rhino.RhinoEngine;
import cn.hutool.extra.expression.engine.spel.SpELEngine;
import org.junit.Assert;
@@ -95,4 +96,16 @@ public class ExpressionUtilTest {
Assert.assertEquals(-143.8, (double)eval, 0);
}
@Test
public void qlExpressTest(){
final ExpressionEngine engine = new QLExpressEngine();
final Dict dict = Dict.of()
.set("a", 100.3)
.set("b", 45)
.set("c", -199.100);
final Object eval = engine.eval("a-(b-c)", dict);
Assert.assertEquals(-143.8, (double)eval, 0);
}
}