Merge pull request #1243 from lzpeng723/v5-dev

V5 dev

hutool-core/src/test/java/cn/hutool/core/compiler/JavaSourceCompilerTest.java

@@ -0,0 +1,42 @@
+package cn.hutool.core.compiler;
+
+import cn.hutool.core.io.FileUtil;
+import cn.hutool.core.util.ReflectUtil;
+import cn.hutool.core.util.ZipUtil;
+import org.junit.Assert;
+import org.junit.Test;
+
+import java.io.File;
+import java.io.InputStream;
+
+/**
+ * Java源码编译器测试
+ *
+ * @author lzpeng
+ */
+public class JavaSourceCompilerTest {
+
+    /**
+     * 测试编译Java源码
+     */
+    @Test
+    public void testCompile() throws ClassNotFoundException {
+        final File libFile = ZipUtil.zip(FileUtil.file("lib.jar"),
+                new String[]{"a/A.class", "a/A$1.class", "a/A$InnerClass.class"},
+                new InputStream[]{
+                        FileUtil.getInputStream("test-compile/a/A.class"),
+                        FileUtil.getInputStream("test-compile/a/A$1.class"),
+                        FileUtil.getInputStream("test-compile/a/A$InnerClass.class")
+                });
+        final ClassLoader classLoader = JavaSourceCompiler.create(null)
+                .addSource(FileUtil.file("test-compile/b/B.java"))
+                .addSource("c.C", FileUtil.readUtf8String("test-compile/c/C.java"))
+                .addLibrary(libFile)
+                .compile();
+        final Class<?> clazz = classLoader.loadClass("c.C");
+        Object obj = ReflectUtil.newInstance(clazz);
+        Assert.assertTrue(String.valueOf(obj).startsWith("c.C@"));
+        FileUtil.del(libFile);
+    }
+
+}

hutool-core/src/test/resources/test-compile/a/A.java

@@ -0,0 +1,24 @@
+package a;
+
+import cn.hutool.core.lang.ConsoleTable;
+import cn.hutool.core.lang.caller.CallerUtil;
+
+public class A {
+    private class InnerClass {
+    }
+
+    public A() {
+        new InnerClass() {{
+            int i = 0;
+            Class<?> caller = CallerUtil.getCaller(i);
+            final ConsoleTable t = new ConsoleTable();
+            t.addHeader("类名", "类加载器");
+            System.out.println("初始化 " + getClass() + " 的调用链为: ");
+            while (caller != null) {
+                t.addBody(caller.toString(), caller.getClassLoader().toString());
+                caller = CallerUtil.getCaller(++i);
+            }
+            t.print();
+        }};
+    }
+}

hutool-core/src/test/resources/test-compile/b/B.java

@@ -0,0 +1,8 @@
+package b;
+import a.A;
+
+public class B {
+    public B() {
+        new A();
+    }
+}

hutool-core/src/test/resources/test-compile/c/C.java

@@ -0,0 +1,9 @@
+package c;
+
+import b.B;
+
+public class C {
+    public C() {
+        new B();
+    }
+}