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How to use wrap method of org.powermock.core.transformers.javassist.support.JavaAssistClassWrapperFactory class

Best Powermock code snippet using org.powermock.core.transformers.javassist.support.JavaAssistClassWrapperFactory.wrap

Source:PowerMockClassTransformer.java

...35class PowerMockClassTransformer extends AbstractClassTransformer implements ClassFileTransformer {36    37    private static final MockTransformerChain MOCK_TRANSFORMER_CHAIN = new JavassistMockTransformerChainFactory()38                                                                           .createDefaultChain(TransformStrategy.INST_REDEFINE);39    private final ClassWrapperFactory wrapperFactory;40    private volatile Set<String> classesToTransform;41    private volatile JavaAgentClassRegister javaAgentClassRegister;42    43    PowerMockClassTransformer() {44        super();45        wrapperFactory = new JavaAssistClassWrapperFactory();46    }47    48    public void setClassesToTransform(Collection<String> classesToTransform) {49        this.classesToTransform = new HashSet<String>(classesToTransform);50    }51    52    public void setJavaAgentClassRegister(JavaAgentClassRegister javaAgentClassRegister) {53        this.javaAgentClassRegister = javaAgentClassRegister;54    }55    56    public byte[] transform(57                               ClassLoader loader, String className,58                               Class<?> classBeingRedefined, ProtectionDomain protectionDomain, byte[] classfileBuffer59    ) throws IllegalClassFormatException {60        61        if (loader == null || shouldIgnore(className)) {62            return null;63        }64        try {65            String normalizedClassName = className.replace("/", ".");66            if (classesToTransform != null && classesToTransform.contains(normalizedClassName)) {67                CtClass ctClass = getCtClass(classfileBuffer);68                69                ctClass = transform(ctClass);70                /*71                 * ClassPool may cause huge memory consumption if the number of CtClass72                 * objects becomes amazingly large (this rarely happens since Javassist73                 * tries to reduce memory consumption in various ways). To avoid this74                 * problem, you can explicitly remove an unnecessary CtClass object from75                 * the ClassPool. If you call detach() on a CtClass object, then that76                 * CtClass object is removed from the ClassPool.77                 */78                ctClass.detach();79                80                javaAgentClassRegister.registerClass(loader, normalizedClassName);81                82                return ctClass.toBytecode();83            }84            85            return null;86        } catch (Exception e) {87            throw new RuntimeException("Failed to redefine class " + className, e);88        }89    }90    91    private CtClass getCtClass(final byte[] classfileBuffer) throws IOException {92        final CtClass ctClass;93        94        ByteArrayInputStream is = new ByteArrayInputStream(classfileBuffer);95        try {96            ctClass = ClassPool.getDefault().makeClass(is);97        } finally {98            is.close();99        }100        return ctClass;101    }102    103    private CtClass transform(CtClass ctClass) throws Exception {104        ClassWrapper<CtClass> wrapped = wrapperFactory.wrap(ctClass);105        wrapped = MOCK_TRANSFORMER_CHAIN.transform(wrapped);106        return wrapped.unwrap();107    }108}...

Source:AbstractBaseMockTransformerTest.java

...59    protected Class<?> loadWithMockClassLoader(final CtClass ctClass) throws Exception {60        return ClassLoaderTestHelper.loadWithMockClassLoader(ctClass.getName(), ctClass.toBytecode(), mockTransformerChain, mockClassloaderFactory);61    }62    63    ClassWrapper<CtClass> wrap(final CtClass ctClass) {64        return new JavaAssistClassWrapperFactory().wrap(ctClass);65    }66    67    protected void assumeClassLoaderMode() {68        assumeTrue("Supported only by class loader mode.", strategy.isClassloaderMode());69    }70    71    protected void assumeAgentMode() {72        assumeTrue("Supported only by class loader mode.", strategy.isAgentMode());73    }74    75    protected void assumeClassLoaderIsByteBuddy() {76        assumeTrue(77            "ByteBuddy implantation MockClassLoader should always add defer constructor," +78                " because ByteBuddy cannot add constructor to super class ad-hoc.",...

wrap

Using AI Code Generation

1import java.lang.instrument.ClassFileTransformer;2import java.lang.instrument.IllegalClassFormatException;3import java.security.ProtectionDomain;4import javassist.ClassPool;5import javassist.CtClass;6import javassist.CtMethod;7import javassist.LoaderClassPath;8import org.powermock.core.transformers.javassist.support.JavaAssistClassWrapperFactory;9public class 4 implements ClassFileTransformer {10    public byte[] transform(ClassLoader loader, String className, Class<?> classBeingRedefined,11            ProtectionDomain protectionDomain, byte[] classfileBuffer) throws IllegalClassFormatException {12        if (className.equals("java/lang/String")) {13            try {14                ClassPool classPool = ClassPool.getDefault();15                classPool.insertClassPath(new LoaderClassPath(loader));16                CtClass ctClass = classPool.get("java.lang.String");17                CtMethod ctMethod = ctClass.getDeclaredMethod("concat");18                ctMethod.insertBefore("System.out.println(\"Concat invoked\");");19                return JavaAssistClassWrapperFactory.wrap(ctClass).toBytecode();20            } catch (Exception e) {21                e.printStackTrace();22            }23        }24        return null;25    }26}27import java.lang.instrument.ClassFileTransformer;28import java.lang.instrument.IllegalClassFormatException;29import java.security.ProtectionDomain;30import javassist.ClassPool;31import javassist.CtClass;32import javassist.CtMethod;33import javassist.LoaderClassPath;34import org.powermock.core.transformers.javassist.support.JavaAssistClassWrapperFactory;35public class 5 implements ClassFileTransformer {36    public byte[] transform(ClassLoader loader, String className, Class<?> classBeingRedefined,37            ProtectionDomain protectionDomain, byte[] classfileBuffer) throws IllegalClassFormatException {38        if (className.equals("java/lang/String")) {39            try {40                ClassPool classPool = ClassPool.getDefault();41                classPool.insertClassPath(new LoaderClassPath(loader));42                CtClass ctClass = classPool.get("java.lang.String");43                CtMethod ctMethod = ctClass.getDeclaredMethod("concat");44                ctMethod.insertBefore("System.out.println(\"Concat invoked\");");45                return JavaAssistClassWrapperFactory.wrap(ctClass).toBytecode();46            } catch (Exception e) {47                e.printStackTrace();48            }49        }50        return null;51    }52}

wrap

Using AI Code Generation

1package com.powermock;2import java.io.IOException;3import java.lang.instrument.ClassFileTransformer;4import java.lang.instrument.IllegalClassFormatException;5import java.security.ProtectionDomain;6import org.powermock.core.transformers.javassist.support.JavaAssistClassWrapperFactory;7public class ClassTransformer implements ClassFileTransformer {8    public byte[] transform(ClassLoader loader, String className, Class<?> classBeingRedefined,9            ProtectionDomain protectionDomain, byte[] classfileBuffer) throws IllegalClassFormatException {10        byte[] transformed = null;11        if (className.equals("com/powermock/ClassToBeTransformed")) {12            try {13                transformed = JavaAssistClassWrapperFactory.wrap(classfileBuffer);14            } catch (IOException e) {15                e.printStackTrace();16            }17        }18        return transformed;19    }20}21package com.powermock;22import java.io.IOException;23import java.lang.instrument.ClassFileTransformer;24import java.lang.instrument.IllegalClassFormatException;25import java.security.ProtectionDomain;26import org.powermock.core.transformers.javassist.support.JavaAssistClassWrapperFactory;27public class ClassTransformer implements ClassFileTransformer {28    public byte[] transform(ClassLoader loader, String className, Class<?> classBeingRedefined,29            ProtectionDomain protectionDomain, byte[] classfileBuffer) throws IllegalClassFormatException {30        byte[] transformed = null;31        if (className.equals("com/powermock/ClassToBeTransformed")) {32            try {33                transformed = JavaAssistClassWrapperFactory.wrap(classfileBuffer);34            } catch (IOException e) {35                e.printStackTrace();36            }37        }38        return transformed;39    }40}41package com.powermock;42import java.io.IOException;43import java.lang.instrument.ClassFileTransformer;44import java.lang.instrument.IllegalClassFormatException;45import java.security.ProtectionDomain;46import org.powermock.core.transformers.javassist.support.JavaAssistClassWrapperFactory;47public class ClassTransformer implements ClassFileTransformer {48    public byte[] transform(ClassLoader loader, String className, Class<?> classBeingRedefined,

wrap

Using AI Code Generation

11 package org.powermock.core.transformers.javassist.support;23 import org.powermock.core.transformers.MockTransformer;34 import org.powermock.core.transformers.javassist.support.JavaAssistClassWrapperFactory;45 import org.powermock.core.transformers.javassist.support.JavaAssistMockTransformer;56 import org.powermock.core.transformers.javassist.support.JavaAssistMockTransformerChain;67 import org.powermock.core.transformers.javassist.support.JavaAssistMockTransformerChainFactory;78 import org.powermock.core.transformers.javassist.support.JavaAssistMockTransformerChainFactoryImpl;89 import org.powermock.core.transformers.javassist.support.JavaAssistMockTransformerFactory;910 import org.powermock.core.transformers.javassist.support.JavaAssistMockTransformerFactoryImpl;1011 import org.powermock.core.transformers.javassist.support.JavaAssistMockTransformerFactoryImpl;1112 import org.powermock.core.transformers.javassist.support.JavaAssistMockTransformerFactoryImpl;1213 import org.powermock.core.transformers.javassist.support.JavaAssistMockTransformerFactoryImpl;1314 import org.powermock.core.transformers.javassist.support.JavaAssistMockTransformerFactoryImpl;1415 import org.powermock.core.transformers.javassist.support.JavaAssistMockTransformerFactoryImpl;1516 import org.powermock.core.transformers.javassist.support.JavaAssistMockTransformerFactoryImpl;1617 import org.powermock.core.transformers.javassist.support.JavaAssistMockTransformerFactoryImpl;1718 import org.powermock.core.transformers.javassist.support.JavaAssistMockTransformerFactoryImpl;1819 import org.powermock.core.transformers.javassist.support.JavaAssistMockTransformerFactoryImpl;1920 import org.powermock.core.transformers.javassist.support.JavaAssistMockTransformerFactoryImpl;2021 import org.powermock.core.transformers.javassist.support.JavaAssistMockTransformerFactoryImpl;2122 import org.powermock.core.transformers.javassist.support.JavaAssistMockTransformerFactoryImpl;2223 import org.powermock.core.transformers.javassist.support.JavaAssistMockTransformerFactoryImpl;2324 import org.powermock.core.transformers.javassist.support.JavaAssistMockTransformerFactoryImpl;2425 import org.powermock.core.transformers.javassist.support.JavaAssistMockTransformerFactoryImpl;2526 import org.powermock.core.transformers.javassist.support.JavaAssistMockTransformerFactoryImpl;2627 import org.powermock.core.transformers.javassist.support.JavaAssistMockTransformerFactoryImpl;2728 import org.powermock.core.transformers.javassist.support.JavaAssistMockTransformerFactory

wrap

Using AI Code Generation

1public static void main(String[] args) throws NotFoundException, CannotCompileException, IOException, ClassNotFoundException {2    ClassPool classPool = ClassPool.getDefault();3    CtClass ctClass = classPool.get("com.test.Test");4    JavaAssistClassWrapperFactory javaAssistClassWrapperFactory = new JavaAssistClassWrapperFactory();5    ClassWrapper classWrapper = javaAssistClassWrapperFactory.wrap(ctClass);6    byte[] bytes = classWrapper.toBytecode();7    FileOutputStream fileOutputStream = new FileOutputStream("C:\\Users\\test\\Desktop\\test\\Test.class");8    fileOutputStream.write(bytes);9    fileOutputStream.close();10    ClassLoader classLoader = new URLClassLoader(new URL[]{new File("C:\\Users\\test\\Desktop\\test").toURI().toURL()});11    Class<?> clazz = classLoader.loadClass("com.test.Test");12    Method[] methods = clazz.getDeclaredMethods();13    for (Method method : methods) {14        System.out.println(method.getName());15    }16}

wrap

Using AI Code Generation

1public class 4 {2    public static void main(String[] args) throws Exception {3        ClassLoader classLoader = Thread.currentThread().getContextClassLoader();4        Class<?> clazz = classLoader.loadClass("com.example.App");5        ClassWrapper classWrapper = JavaAssistClassWrapperFactory.wrap(clazz);6        Class<?> class1 = classWrapper.getClazz();7        System.out.println(class1);8    }9}10public class 5 {11    public static void main(String[] args) throws Exception {12        ClassLoader classLoader = Thread.currentThread().getContextClassLoader();13        Class<?> clazz = classLoader.loadClass("com.example.App");14        ClassWrapper classWrapper = JavaAssistClassWrapperFactory.wrap(clazz);15        Class<?> class1 = classWrapper.getClazz();16        System.out.println(class1);17    }18}19public class 6 {20    public static void main(String[] args) throws Exception {21        ClassLoader classLoader = Thread.currentThread().getContextClassLoader();22        Class<?> clazz = classLoader.loadClass("com.example.App");23        ClassWrapper classWrapper = JavaAssistClassWrapperFactory.wrap(clazz);24        Class<?> class1 = classWrapper.getClazz();25        System.out.println(class1);26    }27}28public class 7 {29    public static void main(String[] args) throws Exception {30        ClassLoader classLoader = Thread.currentThread().getContextClassLoader();31        Class<?> clazz = classLoader.loadClass("com.example.App");32        ClassWrapper classWrapper = JavaAssistClassWrapperFactory.wrap(clazz);33        Class<?> class1 = classWrapper.getClazz();34        System.out.println(class1);35    }36}37public class 8 {38    public static void main(String[] args) throws Exception {39        ClassLoader classLoader = Thread.currentThread().getContextClassLoader();40        Class<?> clazz = classLoader.loadClass("com.example.App");41        ClassWrapper classWrapper = JavaAssistClassWrapperFactory.wrap(clazz);

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