Java Code Examples for groovy.lang.GroovyClassLoader#parseClass()

The following examples show how to use groovy.lang.GroovyClassLoader#parseClass() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.

Example 1

Source File: GroovyClassLoadingTests.java From spring4-understanding with Apache License 2.0

8 votes

@Test
@SuppressWarnings("resource")
public void classLoading() throws Exception {
	StaticApplicationContext context = new StaticApplicationContext();

	GroovyClassLoader gcl = new GroovyClassLoader();
	Class<?> class1 = gcl.parseClass("class TestBean { def myMethod() { \"foo\" } }");
	Class<?> class2 = gcl.parseClass("class TestBean { def myMethod() { \"bar\" } }");

	context.registerBeanDefinition("testBean", new RootBeanDefinition(class1));
	Object testBean1 = context.getBean("testBean");
	Method method1 = class1.getDeclaredMethod("myMethod", new Class<?>[0]);
	Object result1 = ReflectionUtils.invokeMethod(method1, testBean1);
	assertEquals("foo", result1);

	context.removeBeanDefinition("testBean");
	context.registerBeanDefinition("testBean", new RootBeanDefinition(class2));
	Object testBean2 = context.getBean("testBean");
	Method method2 = class2.getDeclaredMethod("myMethod", new Class<?>[0]);
	Object result2 = ReflectionUtils.invokeMethod(method2, testBean2);
	assertEquals("bar", result2);
}

Example 2

Source File: GroovyEngine.java From light-task-scheduler with Apache License 2.0

8 votes

/**
 * 将groovy源码解析为Class
 */
public static Class parseClass(String groovySource) throws GroovyException {

    GroovyClassLoader loader = new GroovyClassLoader();

    ClassLoader contextClassLoader = null;

    try {
        contextClassLoader = Thread.currentThread().getContextClassLoader();
        if (contextClassLoader != null) {
            Thread.currentThread().setContextClassLoader(null);
        }
        return loader.parseClass(groovySource);
    } catch (Throwable t) {
        throw new GroovyException("parseClass error:", t);
    } finally {
        if (contextClassLoader != null) {
            Thread.currentThread().setContextClassLoader(contextClassLoader);
        }
    }
}

Example 3

Source File: GroovyScriptEngine.java From chaosblade-exec-jvm with Apache License 2.0

6 votes

@Override
public Object compile(com.alibaba.chaosblade.exec.plugin.jvm.script.base.Script script, ClassLoader classLoader,
                      Map<String, String> configs) {
    String className = "groovy_script_" + script.getId();
    GroovyCodeSource codeSource = new GroovyCodeSource(script.getContent(), className, UNTRUSTED_CODEBASE);
    codeSource.setCachable(true);
    CompilerConfiguration compilerConfiguration = new CompilerConfiguration()
        .addCompilationCustomizers(
            new ImportCustomizer().addStaticStars("java.lang.Math"))
        .addCompilationCustomizers(new GroovyBigDecimalTransformer(CompilePhase.CONVERSION));
    compilerConfiguration.getOptimizationOptions().put(GROOVY_INDY_SETTING_NAME, true);
    GroovyClassLoader groovyClassLoader = new GroovyClassLoader(classLoader, compilerConfiguration);
    try {
        return groovyClassLoader.parseClass(script.getContent());
    } catch (Exception ex) {
        throw convertToScriptException("Compile script failed:" + className, script.getId(), ex);
    }
}

Example 4

Source File: GroovyClassLoadingTests.java From spring-analysis-note with MIT License

6 votes

@Test
@SuppressWarnings("resource")
public void classLoading() throws Exception {
	StaticApplicationContext context = new StaticApplicationContext();

	GroovyClassLoader gcl = new GroovyClassLoader();
	Class<?> class1 = gcl.parseClass("class TestBean { def myMethod() { \"foo\" } }");
	Class<?> class2 = gcl.parseClass("class TestBean { def myMethod() { \"bar\" } }");

	context.registerBeanDefinition("testBean", new RootBeanDefinition(class1));
	Object testBean1 = context.getBean("testBean");
	Method method1 = class1.getDeclaredMethod("myMethod", new Class<?>[0]);
	Object result1 = ReflectionUtils.invokeMethod(method1, testBean1);
	assertEquals("foo", result1);

	context.removeBeanDefinition("testBean");
	context.registerBeanDefinition("testBean", new RootBeanDefinition(class2));
	Object testBean2 = context.getBean("testBean");
	Method method2 = class2.getDeclaredMethod("myMethod", new Class<?>[0]);
	Object result2 = ReflectionUtils.invokeMethod(method2, testBean2);
	assertEquals("bar", result2);
}

Example 5

Source File: GroovyClassLoadingTests.java From java-technology-stack with MIT License

6 votes

@Test
@SuppressWarnings("resource")
public void classLoading() throws Exception {
	StaticApplicationContext context = new StaticApplicationContext();

	GroovyClassLoader gcl = new GroovyClassLoader();
	Class<?> class1 = gcl.parseClass("class TestBean { def myMethod() { \"foo\" } }");
	Class<?> class2 = gcl.parseClass("class TestBean { def myMethod() { \"bar\" } }");

	context.registerBeanDefinition("testBean", new RootBeanDefinition(class1));
	Object testBean1 = context.getBean("testBean");
	Method method1 = class1.getDeclaredMethod("myMethod", new Class<?>[0]);
	Object result1 = ReflectionUtils.invokeMethod(method1, testBean1);
	assertEquals("foo", result1);

	context.removeBeanDefinition("testBean");
	context.registerBeanDefinition("testBean", new RootBeanDefinition(class2));
	Object testBean2 = context.getBean("testBean");
	Method method2 = class2.getDeclaredMethod("myMethod", new Class<?>[0]);
	Object result2 = ReflectionUtils.invokeMethod(method2, testBean2);
	assertEquals("bar", result2);
}

Example 6

Source File: InvokerHelperTest.java From groovy with Apache License 2.0

5 votes

public void testCreateScriptWithScriptClass() {
    GroovyClassLoader classLoader = new GroovyClassLoader();
    String controlProperty = "text";
    String controlValue = "I am a script";
    String code = controlProperty + " = '" + controlValue + "'";
    GroovyCodeSource codeSource = new GroovyCodeSource(code, "testscript", "/groovy/shell");
    Class scriptClass = classLoader.parseClass(codeSource, false);
    Script script = InvokerHelper.createScript(scriptClass, new Binding(bindingVariables));
    assertEquals(bindingVariables, script.getBinding().getVariables());
    script.run();
    assertEquals(controlValue, script.getProperty(controlProperty));
}

Example 7

Source File: GroovyMacroCompiler.java From sakai with Educational Community License v2.0

5 votes

public Macro compileMacro(String macroSource) {
  Macro macro = null;
  try {
    GroovyClassLoader gcl = new GroovyClassLoader();
    InputStream is = new ByteArrayInputStream(
        macroSource.getBytes());
    Class clazz = gcl.parseClass(is, "Macro.groovy");
    Object aScript = clazz.newInstance();
    macro = (Macro) aScript;
  } catch (Exception e) {
    log.error("Cannot compile groovy macro.");
  }
  return macro;
}

Example 8

Source File: GroovyMacroCompiler.java From sakai with Educational Community License v2.0

5 votes

public Macro compileMacro(String macroSource) {
  Macro macro = null;
  try {
    GroovyClassLoader gcl = new GroovyClassLoader();
    InputStream is = new ByteArrayInputStream(
        macroSource.getBytes());
    Class clazz = gcl.parseClass(is, "Macro.groovy");
    Object aScript = clazz.newInstance();
    macro = (Macro) aScript;
  } catch (Exception e) {
    log.error("Cannot compile groovy macro.");
  }
  return macro;
}

Example 9

Source File: GeoscriptConsole.java From hortonmachine with GNU General Public License v3.0

5 votes

public GeoscriptConsole() throws Exception {
    InputStream groovyClassIS = GeoscriptConsole.class.getResourceAsStream("Console.groovy");

    String classString = FileUtilities.readInputStreamToString(groovyClassIS);

    GroovyClassLoader gcl = new GroovyClassLoader();
    Class< ? > clazz = gcl.parseClass(classString);
    gcl.close();
    Object obj = clazz.getDeclaredConstructor().newInstance();
    Method method = obj.getClass().getMethod("run");
    method.invoke(obj);
}

Example 10

Source File: ClosureFactory.java From atlas with Apache License 2.0

5 votes

public static Closure<?> buildClosure(String... strings) throws IOException {

        Closure<?> closure = null;

        // Create a method returning a closure
        StringBuilder sb = new StringBuilder("def closure() { { script -> ");
        sb.append(StringUtils.join(strings, "\n"));
        sb.append(" } }");

        // Create an anonymous class for the method
        GroovyClassLoader loader = new GroovyClassLoader();
        Class<?> groovyClass = loader.parseClass(sb.toString());

        try {
            // Create an instance of the class
            GroovyObject groovyObject = (GroovyObject) groovyClass.newInstance();

            // Invoke the object's method and thus obtain the closure
            closure = (Closure<?>) groovyObject.invokeMethod("closure", null);
        } catch (Throwable e) {
            throw new RuntimeException(e);
        } finally {
            loader.close();
        }

        return closure;
    }

Example 11

Source File: GroovyRule.java From tddl with Apache License 2.0

5 votes

private void initGroovy() {
    if (expression == null) {
        throw new IllegalArgumentException("未指定 expression");
    }
    GroovyClassLoader loader = new GroovyClassLoader(GroovyRule.class.getClassLoader());
    String groovyRule = getGroovyRule(expression, extraPackagesStr);
    Class<?> c_groovy;
    try {
        c_groovy = loader.parseClass(groovyRule);
    } catch (CompilationFailedException e) {
        throw new IllegalArgumentException(groovyRule, e);
    }

    try {
        // 新建类实例
        Object ruleObj = c_groovy.newInstance();
        if (ruleObj instanceof ShardingFunction) {
            shardingFunction = (ShardingFunction) ruleObj;
        } else {
            throw new IllegalArgumentException("should not be here");
        }
        // 获取方法

    } catch (Throwable t) {
        throw new IllegalArgumentException("实例化规则对象失败", t);
    }
}

Example 12

Source File: GroovyRule.java From tddl5 with Apache License 2.0

5 votes

private void initGroovy() {
    if (expression == null) {
        throw new IllegalArgumentException("未指定 expression");
    }
    GroovyClassLoader loader = new GroovyClassLoader(GroovyRule.class.getClassLoader());
    String groovyRule = getGroovyRule(expression, extraPackagesStr);
    Class<?> c_groovy;
    try {
        c_groovy = loader.parseClass(groovyRule);
    } catch (CompilationFailedException e) {
        throw new IllegalArgumentException(groovyRule, e);
    }

    try {
        // 新建类实例
        Object ruleObj = c_groovy.newInstance();
        if (ruleObj instanceof ShardingFunction) {
            shardingFunction = (ShardingFunction) ruleObj;
        } else {
            throw new IllegalArgumentException("should not be here");
        }
        // 获取方法

    } catch (Throwable t) {
        throw new IllegalArgumentException("实例化规则对象失败", t);
    }
}

Example 13

Source File: GroovyScriptEngine.java From james with Apache License 2.0

4 votes

private GroovyShell createGroovyShell(ClassLoader classLoader, String baseClassScript) {
    GroovyClassLoader groovyClassLoader = new GroovyClassLoader(classLoader);
    Class baseClass = groovyClassLoader.parseClass(baseClassScript);
    return createGroovyShell(groovyClassLoader, baseClass);
}

Example 14

Source File: FilterVerifier.java From zuul with Apache License 2.0

4 votes

/**
 * compiles the Groovy source code
 *
 */
public Class<?> compileGroovy(String sFilterCode)
        throws CompilationFailedException {
    GroovyClassLoader loader = new GroovyClassLoader();
    return loader.parseClass(sFilterCode);
}

Example 15

Source File: GroovyUtil.java From scipio-erp with Apache License 2.0

4 votes

public static Class<?> parseClass(String text, GroovyClassLoader groovyClassLoader) throws IOException { // SCIPIO: added 2017-01-27
    if (!baseScriptInitialized) { initBaseScript(); } // SCIPIO
    return groovyClassLoader.parseClass(text);
}

Example 16

Source File: GroovyCompiler.java From zuul with Apache License 2.0

4 votes

/**
 * Compiles groovy class from a file
 *
 */
public Class<?> compile(File file) throws IOException {
    GroovyClassLoader loader = getGroovyClassLoader();
    Class<?> groovyClass = loader.parseClass(file);
    return groovyClass;
}

Example 17

Source File: GroovyCompiler.java From zuul-netty with Apache License 2.0

3 votes

/**
 * 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;
}

Example 18

Source File: GroovyCompiler.java From s2g-zuul with MIT License

2 votes

/**
 * 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;
}

Example 19

Source File: GroovyCompiler.java From zuul-netty with Apache License 2.0

2 votes

/**
 * 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;
}

Example 20

Source File: GroovyCompiler.java From alchemy with Apache License 2.0

2 votes

/**
 * Compiles Groovy code and returns the Class of the compiles code.
 *
 * @param sCode
 * @param sName
 * @return
 */
public static Class compile(String sCode, String sName) {
    GroovyClassLoader loader = getGroovyClassLoader();
    Class groovyClass = loader.parseClass(sCode, sName);
    return groovyClass;
}