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feature #IASS9Z 新的java脚本插件，支持java8~java17的所有语法特性

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everywhere.z
2024-09-22 14:47:13 +08:00
parent e944aa7f4d
commit 342f6329bf
26 changed files with 726 additions and 1 deletions
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2
liteflow-script-plugin/liteflow-script-java/src/main/java/com/yomahub/liteflow/script/java/JavaExecutor.java
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@@ -85,6 +85,6 @@ public class JavaExecutor extends ScriptExecutor {
return "import com.yomahub.liteflow.script.body.JaninoCommonScriptBody;\n" +
script1 + "\n" +
StrUtil.format("{} item = new {}();\n", className, className) +
"if (item instanceof JaninoCommonScriptBody){item.body(_meta);return null;}else{return item.body(_meta);}";
"if (JaninoCommonScriptBody.class.isInstance(item)){item.body(_meta);return null;}else{return item.body(_meta);}";
}
}

28
liteflow-script-plugin/liteflow-script-javax/pom.xml Normal file
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@@ -0,0 +1,28 @@
<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<parent>
<groupId>com.yomahub</groupId>
<artifactId>liteflow-script-plugin</artifactId>
<version>${revision}</version>
<relativePath>../pom.xml</relativePath>
</parent>
<artifactId>liteflow-script-javax</artifactId>
<dependencies>
<dependency>
<groupId>com.yomahub</groupId>
<artifactId>liteflow-core</artifactId>
<version>${revision}</version>
<optional>true</optional>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>org.noear</groupId>
<artifactId>liquor-eval</artifactId>
</dependency>
</dependencies>
</project>

6
liteflow-script-plugin/liteflow-script-javax/src/main/java/com/yomahub/liteflow/script/body/BooleanScriptBody.java Normal file
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@@ -0,0 +1,6 @@
package com.yomahub.liteflow.script.body;
public interface BooleanScriptBody extends ScriptBody<Boolean> {
}

5
liteflow-script-plugin/liteflow-script-javax/src/main/java/com/yomahub/liteflow/script/body/CommonScriptBody.java Normal file
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@@ -0,0 +1,5 @@
package com.yomahub.liteflow.script.body;
public interface CommonScriptBody extends ScriptBody<Void> {
}

6
liteflow-script-plugin/liteflow-script-javax/src/main/java/com/yomahub/liteflow/script/body/ForScriptBody.java Normal file
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@@ -0,0 +1,6 @@
package com.yomahub.liteflow.script.body;
public interface ForScriptBody extends ScriptBody<Integer> {
}

7
liteflow-script-plugin/liteflow-script-javax/src/main/java/com/yomahub/liteflow/script/body/ScriptBody.java Normal file
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@@ -0,0 +1,7 @@
package com.yomahub.liteflow.script.body;
import com.yomahub.liteflow.script.ScriptExecuteWrap;
public interface ScriptBody<T> {
T body(ScriptExecuteWrap wrap);
}

6
liteflow-script-plugin/liteflow-script-javax/src/main/java/com/yomahub/liteflow/script/body/SwitchScriptBody.java Normal file
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@@ -0,0 +1,6 @@
package com.yomahub.liteflow.script.body;
public interface SwitchScriptBody extends ScriptBody<String> {
}

97
liteflow-script-plugin/liteflow-script-javax/src/main/java/com/yomahub/liteflow/script/javax/JavaxExecutor.java Normal file
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@@ -0,0 +1,97 @@
package com.yomahub.liteflow.script.javax;
import cn.hutool.core.util.ReUtil;
import cn.hutool.core.util.StrUtil;
import com.yomahub.liteflow.enums.ScriptTypeEnum;
import com.yomahub.liteflow.script.ScriptExecuteWrap;
import com.yomahub.liteflow.script.ScriptExecutor;
import com.yomahub.liteflow.script.exception.ScriptLoadException;
import com.yomahub.liteflow.util.CopyOnWriteHashMap;
import org.noear.liquor.eval.CodeSpec;
import org.noear.liquor.eval.ScriptEvaluator;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
public class JavaxExecutor extends ScriptExecutor {
private final Map<String, CodeSpec> compiledScriptMap = new CopyOnWriteHashMap<>();
private ScriptEvaluator scriptEvaluator;
@Override
public ScriptExecutor init() {
scriptEvaluator = new ScriptEvaluator();
scriptEvaluator.setPrintable(true);
return this;
}
@Override
public void load(String nodeId, String script) {
try{
compiledScriptMap.put(nodeId, (CodeSpec) compile(script));
}catch (Exception e){
String errorMsg = StrUtil.format("script loading error for node[{}],error msg:{}", nodeId, e.getMessage());
throw new ScriptLoadException(errorMsg);
}
}
@Override
public void unLoad(String nodeId) {
compiledScriptMap.remove(nodeId);
}
@Override
public List<String> getNodeIds() {
return new ArrayList<>(compiledScriptMap.keySet());
}
@Override
public Object executeScript(ScriptExecuteWrap wrap) throws Exception {
if (!compiledScriptMap.containsKey(wrap.getNodeId())) {
String errorMsg = StrUtil.format("script for node[{}] is not loaded", wrap.getNodeId());
throw new ScriptLoadException(errorMsg);
}
CodeSpec codeSpec = compiledScriptMap.get(wrap.getNodeId());
return scriptEvaluator.eval(codeSpec, wrap);
}
@Override
public void cleanCache() {
compiledScriptMap.clear();
}
@Override
public ScriptTypeEnum scriptType() {
return ScriptTypeEnum.JAVA;
}
@Override
public Object compile(String script) throws Exception {
CodeSpec codeSpec = new CodeSpec(convertScript(script))
.returnType(Object.class)
.parameters(new String[] {"_meta"}, new Class[] {ScriptExecuteWrap.class});
scriptEvaluator.getClazz(codeSpec);
return codeSpec;
}
private String convertScript(String script){
//替换掉public，private，protected等修饰词
String script1 = script.replaceAll("public class", "class")
.replaceAll("private class", "class")
.replaceAll("protected class", "class");
//分析出class的具体名称
String className = ReUtil.getGroup1("class\\s+(\\w+)\\s+implements", script1);
if (StrUtil.isBlank(className)){
throw new RuntimeException("cannot find class defined");
}
return "import com.yomahub.liteflow.script.body.CommonScriptBody;\n" +
script1 + "\n" +
StrUtil.format("{} item = new {}();\n", className, className) +
"if (CommonScriptBody.class.isInstance(item)){item.body(_meta);return null;}else{return item.body(_meta);}";
}
}

2
liteflow-script-plugin/liteflow-script-javax/src/main/resources/META-INF/services/com.yomahub.liteflow.script.ScriptExecutor Normal file
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@@ -0,0 +1,2 @@
# Java的实现
com.yomahub.liteflow.script.javax.JavaxExecutor