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How to use makeAccessible method of com.tngtech.jgiven.impl.util.ReflectionUtil class
Best JGiven code snippet using com.tngtech.jgiven.impl.util.ReflectionUtil.makeAccessible
Source:ReflectionUtil.java 
...129 }130 }131 public static void invokeMethod( Object object, Method method, String errorDescription ){132 log.debug( "Executing method %s of class %s", method, object.getClass() );133 makeAccessible( method, errorDescription );134 try {135 method.invoke( object );136 } catch( IllegalArgumentException e ) {137 log.debug( "Caught exception:", e );138 throw new JGivenExecutionException( "Could not execute " + toReadableString( method ) + errorDescription +139 ", because it requires parameters. " + "Remove the parameters and try again.", e );140 } catch( IllegalAccessException e ) {141 log.debug( "Caught exception:", e );142 throw new JGivenExecutionException( "Could not execute " + toReadableString( method ) + errorDescription +143 ", because of insuffient access rights. "144 + "Either make the method public or disable your security manager while executing JGiven tests.", e );145 } catch( InvocationTargetException e ) {146 throw new JGivenUserException( method, errorDescription, e.getCause() );147 }148 }149 /**150 * Returns a {@link List} of objects reflecting all the non-static field values declared by the class or interface151 * represented by the given {@link Class} object and defined by the given {@link Object}. This includes152 * {@code public}, {@code protected}, default (package) access, and {@code private} fields, but excludes inherited153 * fields. The elements in the {@link List} returned are not sorted and are not in any particular order. This method154 * returns an empty {@link List} if the class or interface declares no fields, or if the given {@link Class} object155 * represents a primitive type, an array class, or void.156 *157 * @param clazz class or interface declaring fields158 * @param target instance of given {@code clazz} from which field values should be retrieved159 * @param errorDescription customizable part of logged error message160 * @return a {@link List} containing all the found field values (never {@code null})161 */162 public static List<Object> getAllNonStaticFieldValuesFrom( final Class<?> clazz, final Object target, final String errorDescription ){163 return getAllFieldValues( target, getAllNonStaticFields( clazz ), errorDescription );164 }165 private static Function<Field, Object> getFieldValueFunction( final Object target, final String errorDescription ){166 return field -> getFieldValueOrNull( field, target, errorDescription );167 }168 public static Object getFieldValueOrNull( String fieldName, Object target, String errorDescription ){169 try {170 Field field = target.getClass().getDeclaredField( fieldName );171 return getFieldValueOrNull( field, target, errorDescription );172 } catch( Exception e ) {173 log.warn(174 format( "Not able to access field '%s'." + errorDescription, fieldName ), e );175 return null;176 }177 }178 public static Object getFieldValueOrNull( Field field, Object target, String errorDescription ){179 makeAccessible( field, "" );180 try {181 return field.get( target );182 } catch( IllegalAccessException e ) {183 log.warn(184 format( "Not able to access field '%s'." + errorDescription, toReadableString( field ) ), e );185 return null;186 }187 }188 public static List<Field> getAllNonStaticFields( Class<?> clazz ){189 final List<Field> result = Lists.newArrayList();190 forEachField( null, clazz, nonStaticField(), new FieldAction() {191 @Override192 public void act( Object target, Field field ) throws Exception{193 result.add( field );194 }195 } );196 return result;197 }198 public static List<Object> getAllFieldValues( Object target, Iterable<Field> fields, String errorDescription ){199 return StreamSupport.stream( fields.spliterator(), false )200 .map( getFieldValueFunction( target, errorDescription ) )201 .collect( Collectors.toList() );202 }203 public static List<String> getAllFieldNames( Iterable<Field> fields ){204 return StreamSupport.stream( fields.spliterator(), false )205 .map( Field::getName )206 .collect( Collectors.toList() );207 }208 public static void setField( Field field, Object object, Object value, String errorDescription ){209 makeAccessible( field, errorDescription );210 try {211 field.set( object, value );212 } catch( IllegalArgumentException e ) {213 log.debug( "Caught exception:", e );214 throw new JGivenInjectionException( "Could not set " + toReadableString( field ) + errorDescription +215 " to value " + value + ": " + e.getMessage(), e );216 } catch( IllegalAccessException e ) {217 log.debug( "Caught exception:", e );218 throw new JGivenInjectionException( "Could not set " + toReadableString( field ) + errorDescription +219 ", because of insuffient access rights. "220 + "Either make the field public or disable your security manager while executing JGiven tests.", e );221 }222 }223 public static void makeAccessible( AccessibleObject object, String errorDescription ){224 try {225 object.setAccessible( true );226 } catch( SecurityException e ) {227 log.debug( "Caught exception: ", e );228 log.warn( "Could not make {} accessible, trying to access it nevertheless and hoping for the best.",229 toReadableString( object ), errorDescription );230 }231 }232 public static String toReadableString( AccessibleObject object ){233 if( object instanceof Method ) {234 Method method = (Method) object;235 return "method '" + method.getName() + "' of class '" + method.getDeclaringClass().getSimpleName() + "'";236 } else if( object instanceof Field ) {237 Field field = (Field) object;...
Source:ReflectionUtilTest.java
...17 expectedException.expect( JGivenInjectionException.class );18 ReflectionUtil.setField( TestClass.class.getDeclaredField( "testField" ), new TestClass(), 5, "test description" );19 }20 @Test21 public void makeAccessible_does_not_throw_execptions() throws Exception {22 AccessibleObject stub = new AccessibleObject() {23 @Override24 public void setAccessible( boolean flag ) throws SecurityException {25 throw new SecurityException();26 }27 };28 ReflectionUtil.makeAccessible( stub, "test" );29 }30 @Test31 public void execution_exception_is_thrown_if_method_cannot_be_invoked() throws Exception {32 expectedException.expect( JGivenExecutionException.class );33 TestClass testClass = new TestClass();34 ReflectionUtil.invokeMethod( testClass, TestClass.class.getDeclaredMethod( "testMethod", Integer.class ), "test description" );35 }36}...
makeAccessible
Using AI Code Generation
1package com.tngtech.jgiven.impl.util;2import java.lang.reflect.Field;3import java.lang.reflect.Method;4public class ReflectionUtil {5 public static void makeAccessible( Field field ) {6 if( !field.isAccessible() ) {7 field.setAccessible( true );8 }9 }10 public static void makeAccessible( Method method ) {11 if( !method.isAccessible() ) {12 method.setAccessible( true );13 }14 }15}16package com.tngtech.jgiven.impl.util;17import java.lang.reflect.Field;18import java.lang.reflect.Method;19public class ReflectionUtil {20 public static void makeAccessible( Field field ) {21 if( !field.isAccessible() ) {22 field.setAccessible( true );23 }24 }25 public static void makeAccessible( Method method ) {26 if( !method.isAccessible() ) {27 method.setAccessible( true );28 }29 }30}31package com.tngtech.jgiven.impl.util;32import java.lang.reflect.Field;33import java.lang.reflect.Method;34public class ReflectionUtil {35 public static void makeAccessible( Field field ) {36 if( !field.isAccessible() ) {37 field.setAccessible( true );38 }39 }40 public static void makeAccessible( Method method ) {41 if( !method.isAccessible() ) {42 method.setAccessible( true );43 }44 }45}46package com.tngtech.jgiven.impl.util;47import java.lang.reflect.Field;48import java.lang.reflect.Method;49public class ReflectionUtil {50 public static void makeAccessible( Field field ) {51 if( !field.isAccessible() ) {52 field.setAccessible( true );53 }54 }55 public static void makeAccessible( Method method ) {56 if( !method.isAccessible() ) {57 method.setAccessible( true );58 }59 }60}61package com.tngtech.jgiven.impl.util;62import java.lang.reflect.Field;63import java.lang.reflect.Method;
makeAccessible
Using AI Code Generation
1import java.lang.reflect.Method;2import com.tngtech.jgiven.impl.util.ReflectionUtil;3public class 1 {4 public static void main(String[] args) throws Exception {5 Method m = Class.forName("java.lang.ClassLoader").getDeclaredMethod("defineClass", String.class, byte[].class, int.class, int.class);6 ReflectionUtil.makeAccessible(m);7 }8}
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Most used method in ReflectionUtil
- forEachField
- forEachMethod
- forEachSuperClass
- hasAtLeastOneAnnotation
- allFields
- nonStaticField
- hasConstructor
- findMethodTransitively
- newInstance
- invokeMethod
- getAllNonStaticFieldValuesFrom
- getFieldValueFunction
- getFieldValueOrNull
- getAllNonStaticFields
- getAllFieldValues
- getAllFieldNames
- setField
- makeAccessible
- toReadableString
- getNonStaticMethod
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