import groovy.lang.GroovyClassLoader; import groovy.lang.GroovyObject; import org.junit.Test; import org.junit.runner.RunWith; import org.mockito.runners.MockitoJUnitRunner; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import java.io.File; import java.io.IOException; import static org.junit.Assert.*; import static org.mockito.Mockito.spy; public class GroovyCompiler { private static final Logger LOG = LoggerFactory.getLogger(GroovyCompiler.class); /** * Compiles Groovy code and returns the Class of the compiles code. * * @param sCode * @param sName * @return */ public Class compile(String sCode, String sName) { GroovyClassLoader loader = getGroovyClassLoader(); LOG.warn("Compiling filter: " + sName); Class groovyClass = loader.parseClass(sCode, sName); return groovyClass; } /** * @return a new GroovyClassLoader */ GroovyClassLoader getGroovyClassLoader() { return new GroovyClassLoader(); } /** * Compiles groovy class from a file * * @param file * @return * @throws java.io.IOException */ public Class compile(File file) throws IOException { GroovyClassLoader loader = getGroovyClassLoader(); Class groovyClass = loader.parseClass(file); return groovyClass; } @RunWith(MockitoJUnitRunner.class) public static class UnitTest { @Test public void testLoadGroovyFromString() { GroovyCompiler compiler = spy(new GroovyCompiler()); try { String code = "class test { public String hello(){return \"hello\" } } "; Class clazz = compiler.compile(code, "test"); assertNotNull(clazz); assertEquals(clazz.getName(), "test"); GroovyObject groovyObject = (GroovyObject) clazz.newInstance(); Object[] args = {}; String s = (String) groovyObject.invokeMethod("hello", args); assertEquals(s, "hello"); } catch (Exception e) { assertFalse(true); } } } }
java加载groovy文件
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