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How to use instrumentation method of org.powermock.modules.agent.PowerMockAgent class

Best Powermock code snippet using org.powermock.modules.agent.PowerMockAgent.instrumentation

Source:PowerMockAgent.java

...37	static final String javaSpecVersion = System.getProperty("java.specification.version");38    static final boolean jdk6OrLater = JavaVersion.JAVA_RECENT.atLeast(JavaVersion.JAVA_1_6);39    private static final PowerMockClassTransformer classTransformer = new PowerMockClassTransformer();40    41    private static Instrumentation instrumentation;42    private PowerMockAgent() {}43    /**44     * This method must only be called by the JVM, to provide the instrumentation object.45     * In order for this to occur, the JVM must be started with "-javaagent:powermock-module-javaagent-nnn.jar" as a command line parameter46     * (assuming the jar file is in the current directory).47     *48     */49    public static void premain(String agentArgs, Instrumentation inst) throws Exception {50        initialize(agentArgs, inst);51    }52    @SuppressWarnings({"UnusedDeclaration"})53    public static void agentmain(String agentArgs, Instrumentation inst) throws Exception {54        initialize(agentArgs, inst);55    }56    private static void initialize(String agentArgs, Instrumentation inst) throws IOException {57        instrumentation = inst;58        inst.addTransformer(new DefinalizingClassTransformer(), false);59        inst.addTransformer(classTransformer, true);60    }61    62    public static PowerMockClassTransformer getClasstransformer() {63		return classTransformer;64	}65    public static Instrumentation instrumentation()  {66        verifyInitialization();67        return instrumentation;68    }69    public static void verifyInitialization()70    {71        if (instrumentation == null) {72            new AgentInitialization().initializeAccordingToJDKVersion();73        }74    }75    public static boolean initializeIfNeeded()76    {77        if (instrumentation == null) {78            try {79                new AgentInitialization().initializeAccordingToJDKVersion();80                return true;81            }82            catch (RuntimeException e) {83                e.printStackTrace(); // makes sure the exception gets printed at least once84                throw e;85            }86        }87        return false;88    }89    public static void initializeIfPossible() {90        if (jdk6OrLater) {91            initializeIfNeeded();...

Source:PowerMockClassRedefiner.java

...23        24        PowerMockAgent.getClasstransformer().setClassesToTransform(Arrays.asList(cls.getName()));25        26        try {            27            PowerMockAgent.instrumentation().retransformClasses(cls);28        } catch(Exception e){29            throw new RuntimeException("Failed to redefine class "+cls.getName(), e);30        }31    }32    public static void redefine(String className) {33        if(className == null) {34            throw new IllegalArgumentException("Class name to redefine cannot be null");35        }36        try {37            redefine(Class.forName(className));38        } catch (ClassNotFoundException e) {39            throw new RuntimeException(e);40        }41    }42    43    public static void redefine(String[] classes) {44        PowerMockAgent.getClasstransformer().setClassesToTransform(Arrays.asList(classes));45        46        for (int i = classes.length - 1; i >= 0 ; i--) {47            String className = classes[i];48            Class<?> clazz;49            try {50                clazz = Class.forName(className);51                52                PowerMockAgent.instrumentation().retransformClasses(clazz);53            } catch (Exception e) {54                throw new RuntimeException(e);55            }56        }57    }58}...

instrumentation

Using AI Code Generation

1import java.lang.instrument.Instrumentation;2public class 4 {3    public static void premain(String agentArgs, Instrumentation inst) {4        System.out.println("Hello World!");5    }6}7import java.lang.instrument.Instrumentation;8public class 5 {9    public static void agentmain(String agentArgs, Instrumentation inst) {10        System.out.println("Hello World!");11    }12}13import java.lang.instrument.Instrumentation;14public class 6 {15    public static void premain(String agentArgs, Instrumentation inst) {16        System.out.println("Hello World!");17    }18}19import java.lang.instrument.Instrumentation;20public class 7 {21    public static void agentmain(String agentArgs, Instrumentation inst) {22        System.out.println("Hello World!");23    }24}25import java.lang.instrument.Instrumentation;26public class 8 {27    public static void premain(String agentArgs, Instrumentation inst) {28        System.out.println("Hello World!");29    }30}31import java.lang.instrument.Instrumentation;32public class 9 {33    public static void agentmain(String agentArgs, Instrumentation inst) {34        System.out.println("Hello World!");35    }36}37import java.lang.instrument.Instrumentation;38public class 10 {39    public static void premain(String agentArgs, Instrumentation inst) {40        System.out.println("Hello World!");41    }42}43import java.lang.instrument.Instrumentation;44public class 11 {45    public static void agentmain(String agentArgs, Instrumentation inst) {46        System.out.println("Hello World!");47    }48}

instrumentation

Using AI Code Generation

1import org.powermock.modules.agent.PowerMockAgent;2public class PowerMockAgentTest {3    public static void main(String[] args) throws Exception {4        PowerMockAgent.initializeIfPossible();5    }6}7import org.powermock.core.classloader.MockClassLoader;8public class MockClassLoaderTest {9    public static void main(String[] args) throws Exception {10        MockClassLoader mockClassLoader = new MockClassLoader();11        mockClassLoader.initialize();12    }13}14import org.powermock.core.classloader.PowerMockClassLoader;15public class PowerMockClassLoaderTest {16    public static void main(String[] args) throws Exception {17        PowerMockClassLoader powerMockClassLoader = new PowerMockClassLoader();18        powerMockClassLoader.initialize();19    }20}21import org.powermock.core.classloader.javassist.JavassistMockClassLoader;22public class JavassistMockClassLoaderTest {23    public static void main(String[] args) throws Exception {24        JavassistMockClassLoader javassistMockClassLoader = new JavassistMockClassLoader();25        javassistMockClassLoader.initialize();26    }27}28import org.powermock.core.classloader.javassist.JavassistPowerMockClassLoader;29public class JavassistPowerMockClassLoaderTest {30    public static void main(String[] args) throws Exception {31        JavassistPowerMockClassLoader javassistPowerMockClassLoader = new JavassistPowerMockClassLoader();32        javassistPowerMockClassLoader.initialize();33    }34}35import org.powermock.core.classloader.javassist.JavassistMockClassLoader;36public class JavassistMockClassLoaderTest {37    public static void main(String[] args) throws Exception {38        JavassistMockClassLoader javassistMockClassLoader = new JavassistMockClassLoader();

instrumentation

Using AI Code Generation

1public class 4 {2    public static void main(String[] args) {3        try {4            String agent = "C:\\Users\\user\\Desktop\\powermock-1.6.5\\powermock-1.6.5\\powermock-modules\\powermock-module-junit4-agent\\target\\classes";5            Class<?> agentClass = Class.forName("org.powermock.modules.agent.PowerMockAgent");6            Method premain = agentClass.getDeclaredMethod("premain", String.class, Instrumentation.class);7            premain.invoke(null, agent, null);8        } catch (ClassNotFoundException e) {9            e.printStackTrace();10        } catch (NoSuchMethodException e) {11            e.printStackTrace();12        } catch (IllegalAccessException e) {13            e.printStackTrace();14        } catch (InvocationTargetException e) {15            e.printStackTrace();16        }17        System.out.println("hello");18        new 4().test();19    }20    public void test() {21        System.out.println("test");22    }23}24public class 5 {25    public static void main(String[] args) {26        try {27            String agent = "C:\\Users\\user\\Desktop\\powermock-1.6.5\\powermock-1.6.5\\powermock-modules\\powermock-module-junit4-agent\\target\\classes";28            Class<?> agentClass = Class.forName("org.powermock.modules.agent.PowerMockAgent");29            Method premain = agentClass.getDeclaredMethod("premain", String.class, Instrumentation.class);30            premain.invoke(null, agent, null);31        } catch (ClassNotFoundException e) {32            e.printStackTrace();33        } catch (NoSuchMethodException e) {34            e.printStackTrace();35        } catch (IllegalAccessException e) {36            e.printStackTrace();37        } catch (InvocationTargetException e) {38            e.printStackTrace();39        }40        System.out.println("hello");41        new 5().test();42    }43    public void test() {44        System.out.println("test");45    }46}47public class 6 {48    public static void main(String[] args) {49        try {

instrumentation

Using AI Code Generation

1import java.lang.instrument.Instrumentation;2public class 4 {3    public static void premain(String agentArgs, Instrumentation inst) {4        inst.appendToBootstrapClassLoaderSearch(new JarFile("C:\\Users\\user\\Desktop\\groovy-all-2.4.3.jar"));5    }6}

instrumentation

Using AI Code Generation

1package org.powermock.examples.agent;2import org.powermock.modules.agent.PowerMockAgent;3import org.powermock.examples.agent.support.MyClass;4public class AgentExample {5    public static void main(String[] args) throws Exception {6        PowerMockAgent.initializeIfNeeded();7        MyClass myClass = new MyClass();8        myClass.method1();9        myClass.method2();10    }11}12package org.powermock.examples.agent;13import org.powermock.modules.agent.PowerMockAgent;14import org.powermock.examples.agent.support.MyClass;15public class AgentExample {16    public static void main(String[] args) throws Exception {17        PowerMockAgent.initializeIfNeeded();18        MyClass myClass = new MyClass();19        myClass.method1();20        myClass.method2();21    }22}23package org.powermock.examples.agent;24import org.powermock.modules.agent.PowerMockAgent;25import org.powermock.examples.agent.support.MyClass;

instrumentation

Using AI Code Generation

1package com.example;2public class Example {3    public static void main(String[] args) {4        System.out.println("Hello, World");5    }6}7package com.example;8public class Example {9    public static void main(String[] args) {10        System.out.println("Hello, World");11    }12}13package com.example;14public class Example {15    public static void main(String[] args) {16        System.out.println("Hello, World");17    }18}19package com.example;20public class Example {21    public static void main(String[] args) {22        System.out.println("Hello, World");23    }24}25package com.example;26public class Example {27    public static void main(String[] args) {28        System.out.println("Hello, World");29    }30}

instrumentation

Using AI Code Generation

1import org.powermock.modules.agent.PowerMockAgent;2public class 4 {3    public static void main(String[] args) {4        PowerMockAgent.initializeIfNeeded();5    }6}7import org.powermock.modules.agent.PowerMockAgent;8import java.lang.instrument.Instrumentation;9public class 5 {10    public static void premain(String agentArgs, Instrumentation inst) {11        PowerMockAgent.premain(agentArgs, inst);12    }13}14import org.powermock.modules.agent.PowerMockAgent;15import java.lang.instrument.Instrumentation;16public class 6 {17    public static void agentmain(String agentArgs, Instrumentation inst) {18        PowerMockAgent.agentmain(agentArgs, inst);19    }20}21import org.powermock.modules.agent.PowerMockAgent;22import java.lang.instrument.Instrumentation;23public class 7 {24    public static void premain(String agentArgs) {25        PowerMockAgent.premain(agentArgs);26    }27}

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