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How to use defineClass method of org.powermock.core.classloader.MockClassLoader class

Best Powermock code snippet using org.powermock.core.classloader.MockClassLoader.defineClass

Source:MockClassLoader.java

...115        String path = name.replace('.', '/').concat(".class");116        URL res = deferTo.getResource(path);117        if (res != null) {118            try {119                return defineClass(name, res, protectionDomain);120            } catch (IOException e) {121                throw new ClassNotFoundException(name, e);122            }123        } else {124            throw new ClassNotFoundException(name);125        }126    }127    128    private Class<?> defineClass(String name, URL url, final ProtectionDomain protectionDomain) throws IOException {129        byte[] b = readClass(url);130        return defineClass(name, b, 0, b.length, protectionDomain);131    }132    133    private byte[] readClass(final URL url) throws IOException {134        final URLConnection connection = url.openConnection();135        136        final InputStream in = connection.getInputStream();137        ByteArrayOutputStream tmpOut = null;138        139        try {140            141            final int contentLength = connection.getContentLength();142            143            // To avoid having to resize the array over and over and over as144            // bytes are written to the array, provide an accurate estimate of145            // the ultimate size of the byte array146            147            if (contentLength != -1) {148                tmpOut = new ByteArrayOutputStream(contentLength);149            } else {150                tmpOut = new ByteArrayOutputStream(16384);151            }152            153            byte[] buf = new byte[512];154            while (true) {155                int len = in.read(buf);156                if (len == -1) {157                    break;158                }159                tmpOut.write(buf, 0, len);160            }161            return tmpOut.toByteArray();162        } finally {163            in.close();164            if (tmpOut != null) {165                tmpOut.close();166            }167        }168    }169    170    private Class<?> loadMockClass(String name, ProtectionDomain protectionDomain) throws ClassNotFoundException {171        final byte[] clazz = defineAndTransformClass(name, protectionDomain);172    173        return defineClass(name, protectionDomain, clazz);174    }175    176    public Class<?> defineClass(final String name, final ProtectionDomain protectionDomain, final byte[] clazz) {177        return defineClass(name, clazz, 0, clazz.length, protectionDomain);178    }179    180    protected <T> ClassWrapper<T> transformClass(ClassWrapper<T> wrappedType) throws Exception {181        wrappedType = mockTransformerChain.transform(wrappedType);182        183        if (classMarker != null) {184            classMarker.mark(wrappedType);185        }186        return wrappedType;187    }188    189    protected abstract byte[] defineAndTransformClass(final String name, final ProtectionDomain protectionDomain) throws ClassNotFoundException;190}...

Source:ClassLoaderTestHelper.java

...48    49    public static Class<?> loadWithMockClassLoader(final String className, final byte[] klass, final MockTransformerChain mockTransformerChain,50                                                   final MockClassLoaderFactory mockClassloaderFactory) throws Exception {51        MockClassLoader loader = getMockClassLoader(mockTransformerChain, mockClassloaderFactory);52        final Class<?> definedClass = loader.defineClass(className, ClassLoaderTestHelper.class.getProtectionDomain(), klass);53    54        assertNotNull("Class has been loaded", definedClass);55        56        return definedClass;57    }58    59    private static MockClassLoader getMockClassLoader(final MockTransformerChain mockTransformerChain,60                                                      final MockClassLoaderFactory mockClassloaderFactory) throws IllegalAccessException, InvocationTargetException, InstantiationException {61        MockClassLoader loader = null;62        63        Map<MockTransformerChain, MockClassLoader> classloaders = cache.get(mockClassloaderFactory);64        65        if (classloaders != null){66            loader = classloaders.get(mockTransformerChain);...

defineClass

Using AI Code Generation

1import org.powermock.core.classloader.MockClassLoader;2import org.powermock.core.classloader.annotations.PrepareForTest;3import org.powermock.modules.junit4.PowerMockRunner;4import org.powermock.modules.junit4.PowerMockRunnerDelegate;5import org.junit.runner.RunWith;6import org.junit.Before;7import org.junit.Test;8import org.junit.runner.JUnitCore;9import java.lang.reflect.Method;10import java.lang.reflect.Modifier;11import java.lang.reflect.InvocationTargetException;12import java.io.File;13import java.io.FileInputStream;14import java.io.IOException;15import java.io.InputStream;16import java.util.ArrayList;17import java.util.List;18import java.util.Arrays;19import java.util.Collections;20import java.util.jar.JarEntry;21import java.util.jar.JarFile;22import java.util.zip.ZipEntry;23import java.util.zip.ZipInputStream;24import org.junit.internal.TextListener;25import org.junit.runner.Result;26import org.junit.runner.notification.Failure;27@RunWith(PowerMockRunner.class)28@PowerMockRunnerDelegate(JUnit4ClassRunner.class)29@PrepareForTest({MockClassLoader.class})30public class ClassLoaderTest {31    public static void main(String[] args) {32        Result result = JUnitCore.runClasses(ClassLoaderTest.class);33        for (Failure failure : result.getFailures()) {34            System.out.println(failure.toString());35        }36        System.out.println("Test was successful: " + result.wasSuccessful());37    }38    public void testClassLoader() {39        String jarPath = "path to jar file";40        String className = "name of class to be loaded";41        try {42            Class<?> cls = loadClass(jarPath, className);43            System.out.println("Class loaded successfully");44            Object obj = cls.newInstance();45            System.out.println("Object created successfully");46            Method method = cls.getMethod("method");47            System.out.println("Method found successfully");48            method.invoke(obj);49        } catch (Exception e) {50            e.printStackTrace();51        }52    }53    public Class<?> loadClass(String jarPath, String className) throws IOException,54            ClassNotFoundException {55        MockClassLoader mockClassLoader = new MockClassLoader();56        mockClassLoader.setJarPath(jarPath);57        Class<?> cls = mockClassLoader.defineClass(className);58        return cls;59    }60}

defineClass

Using AI Code Generation

1import org.powermock.core.classloader.MockClassLoader;2import java.lang.reflect.InvocationTargetException;3import java.lang.reflect.Method;4import java.lang.reflect.Constructor;5import java.lang.ClassNotFoundException;6import java.lang.IllegalAccessException;7import java.lang.InstantiationException;8import java.lang.reflect.InvocationTargetException;9import java.lang.reflect.Method;10import java.lang.reflect.Constructor;11import java.lang.ClassNotFoundException;12import java.lang.IllegalAccessException;13import java.lang.InstantiationException;14import java.lang.reflect.InvocationTargetException;15import java.lang.reflect.Method;16import java.lang.reflect.Constructor;17import java.lang.ClassNotFoundException;18import java.lang.IllegalAccessException;19import java.lang.InstantiationException;20import java.lang.reflect.InvocationTargetException;21import java.lang.reflect.Method;22import java.lang.reflect.Constructor;23import java.lang.ClassNotFoundException;24import java.lang.IllegalAccessException;25import java.lang.InstantiationException;26import java.lang.reflect.InvocationTargetException;27import java.lang.reflect.Method;28import java.lang.reflect.Constructor;29import java.lang.ClassNotFoundException;30import java.lang.IllegalAccessException;31import java.lang.InstantiationException;32import java.lang.reflect.InvocationTargetException;33import java.lang.reflect.Method;34import java.lang.reflect.Constructor;35import java.lang.ClassNotFoundException;36import java.lang.IllegalAccessException;37import java.lang.InstantiationException;38import java.lang.reflect.InvocationTargetException;39import java.lang.reflect.Method;40import java.lang.reflect.Constructor;41import java.lang.ClassNotFoundException;42import java.lang.IllegalAccessException;43import java.lang.InstantiationException;44import java.lang.reflect.InvocationTargetException;45import java.lang.reflect.Method;46import java.lang.reflect.Constructor;47import java.lang.ClassNotFoundException;48import java.lang.IllegalAccessException;49import java.lang.InstantiationException;50import java.lang.reflect.InvocationTargetException;51import java.lang.reflect.Method;52import java.lang.reflect.Constructor;53import java.lang.ClassNotFoundException;54import java.lang.IllegalAccessException;55import java.lang.InstantiationException;56import java.lang.reflect.InvocationTargetException;57import java.lang.reflect.Method;58import java.lang.reflect.Constructor;59import java.lang.ClassNotFoundException;60import java.lang.IllegalAccessException;61import java.lang.InstantiationException;62import java.lang.reflect.InvocationTargetException;63import java.lang.reflect.Method;64import java.lang.reflect.Constructor;65import java.lang.ClassNotFoundException;66import java.lang.IllegalAccessException;67import java.lang.InstantiationException;68import java.lang.reflect.InvocationTargetException;69import java.lang.reflect.Method;70import java.lang.reflect.Constructor;71import java.lang.ClassNotFoundException;72import java.lang.IllegalAccessException;73import java.lang

defineClass

Using AI Code Generation

1package com.powermock;2import java.lang.reflect.Method;3import org.powermock.core.classloader.MockClassLoader;4{5    public static void main(String[] args) throws Exception6    {7        MockClassLoader mockClassLoader = new MockClassLoader();8        Class<?> clazz = mockClassLoader.loadClass("com.powermock.TestDefineClass");9        Method method = clazz.getDeclaredMethod("testDefineClass");10        method.setAccessible(true);11        method.invoke(clazz.newInstance());12    }13    public void testDefineClass()14    {15        System.out.println("testDefineClass() method called");16    }17}18package com.powermock;19import java.lang.reflect.Method;20import org.powermock.core.classloader.MockClassLoader;21{22    public static void main(String[] args) throws Exception23    {24        MockClassLoader mockClassLoader = new MockClassLoader();25        Class<?> clazz = mockClassLoader.loadClass("com.powermock.TestDefineClass");26        Method method = clazz.getDeclaredMethod("testDefineClass");27        method.setAccessible(true);28        method.invoke(clazz.newInstance());29    }30    public void testDefineClass()31    {32        System.out.println("testDefineClass() method called");33    }34}35package com.powermock;36import java.lang.reflect.Method;37import org.powermock.core.classloader.MockClassLoader;38{39    public static void main(String[] args) throws Exception40    {41        MockClassLoader mockClassLoader = new MockClassLoader();42        Class<?> clazz = mockClassLoader.loadClass("com.powermock.TestDefineClass");43        Method method = clazz.getDeclaredMethod("testDefineClass");44        method.setAccessible(true);45        method.invoke(clazz.newInstance());46    }47    public void testDefineClass()48    {49        System.out.println("testDefineClass() method called");50    }51}52package com.powermock;53import java.lang.reflect.Method;54import org.powermock.core.classloader.MockClassLoader;55{56    public static void main(String[] args) throws Exception57    {58        MockClassLoader mockClassLoader = new MockClassLoader();59        Class<?> clazz = mockClassLoader.loadClass("com.powermock.Test

defineClass

Using AI Code Generation

1Class<?> clazz = mockClassLoader.defineClass("com.powermock.test4", classData, 0, classData.length);2clazz.getConstructor().newInstance();3Class<?> clazz = mockClassLoader.defineClass("com.powermock.test5", classData, 0, classData.length);4clazz.getConstructor().newInstance();5Class<?> clazz = mockClassLoader.defineClass("com.powermock.test6", classData, 0, classData.length);6clazz.getConstructor().newInstance();7Class<?> clazz = mockClassLoader.defineClass("com.powermock.test7", classData, 0, classData.length);8clazz.getConstructor().newInstance();9Class<?> clazz = mockClassLoader.defineClass("com.powermock.test8", classData, 0, classData.length);10clazz.getConstructor().newInstance();11Class<?> clazz = mockClassLoader.defineClass("com.powermock.test9", classData, 0, classData.length);12clazz.getConstructor().newInstance();13Class<?> clazz = mockClassLoader.defineClass("com.powermock.test10", classData, 0, classData.length);14clazz.getConstructor().newInstance();15Class<?> clazz = mockClassLoader.defineClass("com.powermock.test11", classData, 0, classData.length);16clazz.getConstructor().newInstance();17Class<?> clazz = mockClassLoader.defineClass("com.powermock.test12

defineClass

Using AI Code Generation

1package com.stackoverflow.questions;2import java.io.File;3import java.io.FileInputStream;4import java.io.IOException;5import java.lang.reflect.InvocationTargetException;6import java.lang.reflect.Method;7import org.powermock.core.classloader.MockClassLoader;8public class Test {9    public static void main(String[] args) throws IOException, ClassNotFoundException, InstantiationException, IllegalAccessException, NoSuchMethodException, SecurityException, IllegalArgumentException, InvocationTargetException {10        FileInputStream fis = new FileInputStream(new File("C:/Users/abhi/Desktop/4.class"));11        byte[] classBytes = new byte[fis.available()];12        fis.read(classBytes);13        MockClassLoader mcl = new MockClassLoader();14        Class<?> clazz = mcl.defineClass("com.stackoverflow.questions.Hello", classBytes);15        Object obj = clazz.newInstance();16        Method method = clazz.getMethod("sayHello");17        method.invoke(obj);18    }19}20package com.stackoverflow.questions;21public class Hello {22    public void sayHello() {23        System.out.println("Hello");24    }25}

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