Package org.eclipse.net4j.util
Class ReflectUtil
- java.lang.Object
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- org.eclipse.net4j.util.ReflectUtil
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public final class ReflectUtil extends java.lang.ObjectVarious static helper methods for dealing with Java reflection.- Since:
- 3.14
- Author:
- Eike Stepper
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Nested Class Summary
Nested Classes Modifier and Type Class Description static interfaceReflectUtil.ExcludeFromDumpAnnotates fields that are to be skipped inReflectUtil.collectFields()andReflectUtil.toString().static classReflectUtil.PrimitiveTypestatic classReflectUtil.ReflectionException
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Field Summary
Fields Modifier and Type Field Description static booleanDUMP_STATICSstatic java.lang.Object[]NO_ARGUMENTSstatic java.lang.Class<?>[]NO_PARAMETERSstatic booleanREMEMBER_IDSstatic java.lang.Class<java.lang.Object>ROOT_CLASS
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Method Summary
All Methods Static Methods Concrete Methods Deprecated Methods Modifier and Type Method Description static voidappendStackTrace(java.lang.StringBuilder builder, java.lang.StackTraceElement[] stackTrace)static voidcollectFields(java.lang.Class<?> c, java.util.List<java.lang.reflect.Field> fields)static voiddump(java.lang.Object object)static voiddump(java.lang.Object object, java.lang.String prefix)static voiddump(java.lang.Object object, java.lang.String prefix, java.io.PrintStream out)static java.lang.StringdumpThread()static Pair<java.lang.reflect.Field,java.lang.Object>[]dumpToArray(java.lang.Object object)static java.lang.reflect.FieldgetAccessibleField(java.lang.Class<?> c, java.lang.String fieldName)Deprecated.As of 3.14 usegetField(Class, String).static java.lang.reflect.FieldgetField(java.lang.Class<?> c, java.lang.String fieldName)static java.lang.IntegergetHashCode(java.lang.Object object)static java.lang.LonggetID(java.lang.Object object)static java.lang.StringgetLabel(java.lang.Object object)static java.lang.reflect.MethodgetMethod(java.lang.Class<?> c, java.lang.String methodName, java.lang.Class<?>... parameterTypes)static java.lang.StringgetPackageName(java.lang.Class<? extends java.lang.Object> c)static java.lang.StringgetPackageName(java.lang.String className)static java.lang.StringgetSimpleClassName(java.lang.Object object)static java.lang.StringgetSimpleClassName(java.lang.String name)static java.lang.StringgetSimpleName(java.lang.Class<? extends java.lang.Object> c)static java.lang.ObjectgetValue(java.lang.reflect.Field field, java.lang.Object target)static <T> TgetValue(java.lang.String fieldName, java.lang.Object target)static java.lang.Objectinstantiate(java.util.Map<java.lang.Object,java.lang.Object> properties, java.lang.String namespace, java.lang.String classKey, java.lang.ClassLoader classLoader)static java.lang.ObjectinvokeMethod(java.lang.reflect.Method method, java.lang.Object target, java.lang.Object... arguments)static <T> TinvokeMethod(java.lang.String methodName, java.lang.Object target)static booleanisSetter(java.lang.reflect.Method method)static booleanisSetterName(java.lang.String name)static <T> voidmakeAccessible(java.lang.reflect.AccessibleObject accessibleObject)static voidprintStackTrace()Prints the stack trace of the current thread toSystem.err.static voidprintStackTrace(java.io.PrintStream out, java.lang.StackTraceElement[] stackTrace)static voidprintStackTrace(java.lang.StackTraceElement[] stackTrace)static voidsetValue(java.lang.reflect.Field field, java.lang.Object target, java.lang.Object value)static voidsetValue(java.lang.reflect.Field field, java.lang.Object target, java.lang.Object value, boolean force)static java.lang.StringtoString(java.lang.Object object)static java.lang.StringtoString(java.lang.Object object, java.lang.String prefix)
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Field Detail
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ROOT_CLASS
public static final java.lang.Class<java.lang.Object> ROOT_CLASS
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NO_PARAMETERS
public static final java.lang.Class<?>[] NO_PARAMETERS
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NO_ARGUMENTS
public static final java.lang.Object[] NO_ARGUMENTS
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REMEMBER_IDS
public static boolean REMEMBER_IDS
- Since:
- 3.3
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DUMP_STATICS
public static boolean DUMP_STATICS
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Method Detail
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makeAccessible
public static <T> void makeAccessible(java.lang.reflect.AccessibleObject accessibleObject)
- Since:
- 3.12
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getMethod
public static java.lang.reflect.Method getMethod(java.lang.Class<?> c, java.lang.String methodName, java.lang.Class<?>... parameterTypes)
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invokeMethod
public static java.lang.Object invokeMethod(java.lang.reflect.Method method, java.lang.Object target, java.lang.Object... arguments)
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invokeMethod
public static <T> T invokeMethod(java.lang.String methodName, java.lang.Object target)- Since:
- 3.14
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getField
public static java.lang.reflect.Field getField(java.lang.Class<?> c, java.lang.String fieldName)
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getAccessibleField
@Deprecated public static java.lang.reflect.Field getAccessibleField(java.lang.Class<?> c, java.lang.String fieldName)Deprecated.As of 3.14 usegetField(Class, String).- Since:
- 3.8
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collectFields
public static void collectFields(java.lang.Class<?> c, java.util.List<java.lang.reflect.Field> fields)
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getValue
public static java.lang.Object getValue(java.lang.reflect.Field field, java.lang.Object target)
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getValue
public static <T> T getValue(java.lang.String fieldName, java.lang.Object target)- Since:
- 3.14
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setValue
public static void setValue(java.lang.reflect.Field field, java.lang.Object target, java.lang.Object value)
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setValue
public static void setValue(java.lang.reflect.Field field, java.lang.Object target, java.lang.Object value, boolean force)- Since:
- 3.14
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dumpThread
public static java.lang.String dumpThread()
- Since:
- 3.8
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appendStackTrace
public static void appendStackTrace(java.lang.StringBuilder builder, java.lang.StackTraceElement[] stackTrace)- Since:
- 3.11
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printStackTrace
public static void printStackTrace(java.io.PrintStream out, java.lang.StackTraceElement[] stackTrace)
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printStackTrace
public static void printStackTrace(java.lang.StackTraceElement[] stackTrace)
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printStackTrace
public static void printStackTrace()
Prints the stack trace of the current thread toSystem.err.- Since:
- 3.4
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getHashCode
public static java.lang.Integer getHashCode(java.lang.Object object)
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getID
public static java.lang.Long getID(java.lang.Object object)
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getPackageName
public static java.lang.String getPackageName(java.lang.Class<? extends java.lang.Object> c)
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getPackageName
public static java.lang.String getPackageName(java.lang.String className)
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getSimpleName
public static java.lang.String getSimpleName(java.lang.Class<? extends java.lang.Object> c)
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getSimpleClassName
public static java.lang.String getSimpleClassName(java.lang.String name)
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getSimpleClassName
public static java.lang.String getSimpleClassName(java.lang.Object object)
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getLabel
public static java.lang.String getLabel(java.lang.Object object)
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dump
public static void dump(java.lang.Object object)
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dump
public static void dump(java.lang.Object object, java.lang.String prefix)
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dump
public static void dump(java.lang.Object object, java.lang.String prefix, java.io.PrintStream out)
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dumpToArray
public static Pair<java.lang.reflect.Field,java.lang.Object>[] dumpToArray(java.lang.Object object)
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instantiate
public static java.lang.Object instantiate(java.util.Map<java.lang.Object,java.lang.Object> properties, java.lang.String namespace, java.lang.String classKey, java.lang.ClassLoader classLoader) throws java.lang.ClassNotFoundException, java.lang.InstantiationException, java.lang.IllegalAccessException, java.lang.IllegalArgumentException, java.lang.reflect.InvocationTargetException- Throws:
java.lang.ClassNotFoundExceptionjava.lang.InstantiationExceptionjava.lang.IllegalAccessExceptionjava.lang.IllegalArgumentExceptionjava.lang.reflect.InvocationTargetException
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isSetter
public static boolean isSetter(java.lang.reflect.Method method)
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isSetterName
public static boolean isSetterName(java.lang.String name)
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toString
public static java.lang.String toString(java.lang.Object object)
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toString
public static java.lang.String toString(java.lang.Object object, java.lang.String prefix)
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