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.class工具类测试

master
Qin Dong Ming 2024-09-04 10:18:22 +08:00
parent e4fcf5fadd
commit 4dbe72f50c
3 changed files with 13 additions and 11 deletions
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2
cloud-etl-server/src/main/java/com/muyu/input/Demo.java
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@ -36,7 +36,7 @@
// // 创建PutObject请求。 // // 创建PutObject请求。
// PutObjectResult result = ossClient.putObject(putObjectRequest); // PutObjectResult result = ossClient.putObject(putObjectRequest);
// } catch (OSSException oe) { // } catch (OSSException oe) {
// System.out.println("Caught an OSSException, which means your request made it to OSS, " // System.out.pri ntln("Caught an OSSException, which means your request made it to OSS, "
// + "but was rejected with an error response for some reason."); // + "but was rejected with an error response for some reason.");
// System.out.println("Error Message:" + oe.getErrorMessage()); // System.out.println("Error Message:" + oe.getErrorMessage());
// System.out.println("Error Code:" + oe.getErrorCode()); // System.out.println("Error Code:" + oe.getErrorCode());

14
cloud-etl-server/src/main/java/com/muyu/javacomplier/JavaStringCompiler.java
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@ -1,4 +1,6 @@
package com.itranswarp.compiler; package com.muyu.javacomplier;
import com.muyu.dynamicLoad.DynamicLoader;
import java.io.IOException; import java.io.IOException;
import java.util.Arrays; import java.util.Arrays;
@ -12,7 +14,7 @@ import javax.tools.JavaCompiler.CompilationTask;
/** /**
* In-memory compile Java source code as String. * In-memory compile Java source code as String.
* *
* @author michael * @author michael
*/ */
public class JavaStringCompiler { public class JavaStringCompiler {
@ -27,7 +29,7 @@ public class JavaStringCompiler {
/** /**
* Compile a Java source file in memory. * Compile a Java source file in memory.
* *
* @param fileName * @param fileName
* Java file name, e.g. "Test.java" * Java file name, e.g. "Test.java"
* @param source * @param source
@ -38,7 +40,7 @@ public class JavaStringCompiler {
* If compile error. * If compile error.
*/ */
public Map<String, byte[]> compile(String fileName, String source) throws IOException { public Map<String, byte[]> compile(String fileName, String source) throws IOException {
try (MemoryJavaFileManager manager = new MemoryJavaFileManager(stdManager)) { try (com.itranswarp.compiler.MemoryJavaFileManager manager = new com.itranswarp.compiler.MemoryJavaFileManager(stdManager)) {
JavaFileObject javaFileObject = manager.makeStringSource(fileName, source); JavaFileObject javaFileObject = manager.makeStringSource(fileName, source);
CompilationTask task = compiler.getTask(null, manager, null, null, null, Arrays.asList(javaFileObject)); CompilationTask task = compiler.getTask(null, manager, null, null, null, Arrays.asList(javaFileObject));
Boolean result = task.call(); Boolean result = task.call();
@ -51,7 +53,7 @@ public class JavaStringCompiler {
/** /**
* Load class from compiled classes. * Load class from compiled classes.
* *
* @param name * @param name
* Full class name. * Full class name.
* @param classBytes * @param classBytes
@ -63,7 +65,7 @@ public class JavaStringCompiler {
* If load error. * If load error.
*/ */
public Class<?> loadClass(String name, Map<String, byte[]> classBytes) throws ClassNotFoundException, IOException { public Class<?> loadClass(String name, Map<String, byte[]> classBytes) throws ClassNotFoundException, IOException {
try (MemoryClassLoader classLoader = new MemoryClassLoader(classBytes)) { try (DynamicLoader.MemoryClassLoader classLoader = new DynamicLoader.MemoryClassLoader(classBytes)) {
return classLoader.loadClass(name); return classLoader.loadClass(name);
} }
} }

8
cloud-etl-server/src/main/java/com/muyu/javacomplier/MemoryJavaFileManager.java
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@ -18,15 +18,15 @@ import javax.tools.SimpleJavaFileObject;
/** /**
* In-memory java file manager. * In-memory java file manager.
* *
* @author michael * @author michael
*/ */
class MemoryJavaFileManager extends ForwardingJavaFileManager<JavaFileManager> { public class MemoryJavaFileManager extends ForwardingJavaFileManager<JavaFileManager> {
// compiled classes in bytes: // compiled classes in bytes:
final Map<String, byte[]> classBytes = new HashMap<String, byte[]>(); final Map<String, byte[]> classBytes = new HashMap<String, byte[]>();
MemoryJavaFileManager(JavaFileManager fileManager) { public MemoryJavaFileManager(JavaFileManager fileManager) {
super(fileManager); super(fileManager);
} }
@ -53,7 +53,7 @@ class MemoryJavaFileManager extends ForwardingJavaFileManager<JavaFileManager> {
} }
} }
JavaFileObject makeStringSource(String name, String code) { public JavaFileObject makeStringSource(String name, String code) {
return new MemoryInputJavaFileObject(name, code); return new MemoryInputJavaFileObject(name, code);
} }