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How to use isNotSyntheticField method of org.powermock.core.transformers.javassist.support.TransformerHelper class

Best Powermock code snippet using org.powermock.core.transformers.javassist.support.TransformerHelper.isNotSyntheticField

Source:PowerMockExpressionEditor.java

...36import static org.powermock.core.transformers.TransformStrategy.INST_REDEFINE;37import static org.powermock.core.transformers.javassist.support.TransformerHelper.VOID;38import static org.powermock.core.transformers.javassist.support.TransformerHelper.getCorrectReturnValueType;39import static org.powermock.core.transformers.javassist.support.TransformerHelper.getReturnTypeAsString;40import static org.powermock.core.transformers.javassist.support.TransformerHelper.isNotSyntheticField;41public final class PowerMockExpressionEditor extends ExprEditor {42    43    private final CtClass clazz;44    private final Class<?> mockGetawayClass;45    private final TransformStrategy strategy;46    47    public PowerMockExpressionEditor(final TransformStrategy strategy, final CtClass clazz, final Class<?> mockGetawayClass) {48        this.strategy = strategy;49        this.clazz = clazz;50        this.mockGetawayClass = mockGetawayClass;51    }52    53    @Override54    public void edit(NewExpr e) throws CannotCompileException {55        String code = "Object instance =" +56                          MockGateway.class.getName() +57                          ".newInstanceCall($type,$args,$sig);" +58                          "if(instance != " + MockGateway.class.getName() + ".PROCEED) {" +59                          "	if(instance instanceof java.lang.reflect.Constructor) {"60                          +61                          "		$_ = ($r) sun.reflect.ReflectionFactory.getReflectionFactory().newConstructorForSerialization($type, java.lang.Object.class.getDeclaredConstructor(null)).newInstance(null);" +62                          "	} else {" +63                          "		$_ = ($r) instance;" +64                          "	}" +65                          "} else {" +66                          "	$_ = $proceed($$);" +67                          "}";68        // TODO Change to objenisis instead69        e.replace(code);70    }71    72    @Override73    public void edit(MethodCall m) throws CannotCompileException {74        try {75            final CtMethod method = m.getMethod();76            final CtClass declaringClass = method.getDeclaringClass();77            78            if (declaringClass != null) {79                if (TransformerHelper.shouldTreatAsSystemClassCall(declaringClass)) {80                    StringBuilder code = new StringBuilder();81                    code.append("{Object classOrInstance = null; if($0!=null){classOrInstance = $0;} else { classOrInstance = $class;}");82                    code.append("Object value =  ")83                        .append(MockGateway.class.getName())84                        .append(".methodCall(")85                        .append("classOrInstance,\"")86                        .append(m.getMethodName())87                        .append("\",$args, $sig,\"")88                        .append(getReturnTypeAsString(method))89                        .append("\");");90                    code.append("if(value == ").append(MockGateway.class.getName()).append(".PROCEED) {");91                    code.append("	$_ = $proceed($$);");92                    code.append("} else {");93                    final String correctReturnValueType = getCorrectReturnValueType(method.getReturnType());94                    if (!VOID.equals(correctReturnValueType)) {95                        code.append("	$_ = ").append(correctReturnValueType).append(";");96                    }97                    code.append("}}");98                    m.replace(code.toString());99                }100            }101        } catch (NotFoundException e) {102                /*103                 * If multiple java agents are active (in INST_REDEFINE mode), the types implicitly loaded by javassist from disk104                 * might differ from the types available in memory. Thus, this error might occur.105                 *106                 * It may also happen if PowerMock is modifying an SPI where the SPI require some classes to be available in the classpath107                 * at runtime but they are not! This is valid in some cases such as slf4j.108                 */109        }110    }111    112    @Override113    public void edit(ConstructorCall c) throws CannotCompileException {114        /*115         * Note that constructor call only intercepts calls to super or this116         * from an instantiated class. This means that A a = new A(); will117         * NOT trigger a ConstructorCall for the default constructor in A.118         * If A where to extend B and A's constructor only delegates to119         * super(), the default constructor of B would trigger a120         * ConstructorCall. This means that we need to handle121         * "suppressConstructorCode" both here and in NewExpr.122         */123        if (strategy != INST_REDEFINE && !c.getClassName().startsWith("java.lang")) {124            final CtClass superclass;125            try {126                superclass = clazz.getSuperclass();127            } catch (NotFoundException e) {128                throw new RuntimeException(e);129            }130            /*131             * Create a default constructor in the super class if it doesn't132             * exist. This is needed because if the code in the current133             * constructor should be suppressed (which we don't know at this134             * moment of time) the parent class must have a default135             * constructor that we can delegate to.136             */137            addNewDeferConstructor(clazz);138            final StringBuilder code = new StringBuilder();139            code.append("{Object value =")140                .append(mockGetawayClass.getName())141                .append(".constructorCall($class, $args, $sig);");142            code.append("if (value != ").append(MockGateway.class.getName()).append(".PROCEED){");143            /*144             * TODO Suppress and lazy inject field (when this feature is ready).145             */146            if (superclass.getName().equals(Object.class.getName())) {147                code.append(" super();");148            } else {149                code.append(" super((").append(IndicateReloadClass.class.getName()).append(") null);");150            }151            code.append("} else {");152            code.append("   $proceed($$);");153            code.append("}}");154            c.replace(code.toString());155        }156    }157    158    @Override159    public void edit(FieldAccess f) throws CannotCompileException {160        if (f.isReader()) {161            CtClass returnTypeAsCtClass;162            FieldInfo fieldInfo;163            164            try {165                CtField field = f.getField();166                returnTypeAsCtClass = field.getType();167                fieldInfo = field.getFieldInfo2();168            } catch (NotFoundException e) {169                    /*170                     * If multiple java agents are active (in INST_REDEFINE mode), the types implicitly loaded by javassist from disk171                     * might differ from the types available in memory. Thus, this error might occur.172                     *173                     * It may also happen if PowerMock is modifying an SPI where the SPI require some classes to be available in the classpath174                     * at runtime but they are not! This is valid in some cases such as slf4j.175                     */176                return;177            }178            179            if (isNotSyntheticField(fieldInfo)) {180                String code = "{Object value =  " +181                                  MockGateway.class.getName() +182                                  ".fieldCall(" +183                                  "$0,$class,\"" +184                                  f.getFieldName() +185                                  "\",$type);" +186                                  "if(value == " + MockGateway.class.getName() + ".PROCEED) {" +187                                  "	$_ = $proceed($$);" +188                                  "} else {" +189                                  "	$_ = " + getCorrectReturnValueType(returnTypeAsCtClass) + ";" +190                                  "}}";191                f.replace(code);192            }193        }...

Source:TransformerHelper.java

...58        }59        return returnValue;60    }61    62    public static boolean isNotSyntheticField(FieldInfo fieldInfo) {63        return (fieldInfo.getAccessFlags() & AccessFlag.SYNTHETIC) == 0;64    }65    66    public static boolean shouldSkipMethod(CtMethod method) {67        return isAccessFlagSynthetic(method) || Modifier.isAbstract(method.getModifiers());68    }69    70    public static String getReturnTypeAsString(final CtMethod method) throws NotFoundException {71        CtClass returnType = method.getReturnType();72        String returnTypeAsString = VOID;73        if (!returnType.equals(CtClass.voidType)) {74            returnTypeAsString = returnType.getName();75        }76        return returnTypeAsString;...

isNotSyntheticField

Using AI Code Generation

1import javassist.*;2import javassist.bytecode.*;3import org.powermock.core.transformers.javassist.support.TransformerHelper;4public class 4 {5    public static void main(String[] args) {6        try {7            ClassPool pool = ClassPool.getDefault();8            CtClass cc = pool.get("org.powermock.core.transformers.javassist.support.TransformerHelper");9            CtMethod[] methods = cc.getDeclaredMethods();10            for (CtMethod method : methods) {11                if (method.getName().equals("isNotSyntheticField")) {12                    MethodInfo methodInfo = method.getMethodInfo();13                    CodeAttribute codeAttribute = methodInfo.getCodeAttribute();14                    CodeIterator codeIterator = codeAttribute.iterator();15                    while (codeIterator.hasNext()) {16                        int index = codeIterator.next();17                        int op = codeIterator.byteAt(index);18                        if (op == Opcode.INVOKEVIRTUAL) {19                            int index2 = codeIterator.u16bitAt(index + 1);20                            String methodName = methodInfo.getConstPool().getMethodrefName(index2);21                            if (methodName.equals("isSynthetic")) {22                                codeIterator.writeByte(Opcode.POP, index);23                                codeIterator.writeByte(Opcode.ICONST_1, index + 1);24                                codeIterator.writeByte(Opcode.IRETURN, index + 2);25                                break;26                            }27                        }28                    }29                }30            }31            cc.writeFile("C:\\Users\\user\\Desktop\\New folder\\");32        } catch (Exception e) {33            e.printStackTrace();34        }35    }36}37import javassist.*;38import javassist.bytecode.*;39import org.powermock.core.transformers.javassist.support.TransformerHelper;40public class 5 {41    public static void main(String[] args) {42        try {43            ClassPool pool = ClassPool.getDefault();44            CtClass cc = pool.get("org.powermock.core.transformers.javassist.support.TransformerHelper");45            CtMethod[] methods = cc.getDeclaredMethods();46            for (CtMethod method : methods) {47                if (method.getName().equals("isNotSyntheticField")) {48                    MethodInfo methodInfo = method.getMethodInfo();49                    CodeAttribute codeAttribute = methodInfo.getCodeAttribute();50                    CodeIterator codeIterator = codeAttribute.iterator();

isNotSyntheticField

Using AI Code Generation

1import javassist.*;2public class 4 {3    public static void main(String[] args) throws Exception {4        ClassPool classPool = ClassPool.getDefault();5        CtClass ctClass = classPool.get("com.example.demo.TestClass");6        CtField[] fields = ctClass.getFields();7        for (CtField field : fields) {8            if (TransformerHelper.isNotSyntheticField(field)) {9                System.out.println(field.getName());10            }11        }12    }13}

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