Package play.utils
Class Java
- java.lang.Object
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- play.utils.Java
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public class Java extends java.lang.Object
Java utils
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Nested Class Summary
Nested Classes Modifier and Type Class Description static class
Java.FieldWrapper
Field accessor set and get value for a property, using the getter/setter when it exists or direct access otherwise.
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Field Summary
Fields Modifier and Type Field Description protected static play.utils.JavaWithCaching
_javaWithCaching
protected static ApplicationClassloaderState
_lastKnownApplicationClassloaderState
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Constructor Summary
Constructors Constructor Description Java()
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Method Summary
All Methods Static Methods Concrete Methods Modifier and Type Method Description static java.lang.Object
deserialize(byte[] b)
static java.lang.String[]
extractInfosFromByteCode(byte[] code)
static java.lang.Object
extractUnderlyingCallable(java.util.concurrent.FutureTask<?> futureTask)
Try to discover what is hidden under a FutureTask (hack)static java.util.List<java.lang.reflect.Method>
findAllAnnotatedMethods(java.lang.Class<?> clazz, java.lang.Class<? extends java.lang.annotation.Annotation> annotationType)
Find all annotated method from a classstatic java.util.List<java.lang.reflect.Method>
findAllAnnotatedMethods(java.util.List<java.lang.Class> classes, java.lang.Class<? extends java.lang.annotation.Annotation> annotationType)
Find all annotated method from a classstatic void
findAllFields(java.lang.Class clazz, java.util.Set<java.lang.reflect.Field> found)
static Java.FieldWrapper
getFieldWrapper(java.lang.reflect.Field field)
protected static play.utils.JavaWithCaching
getJavaWithCaching()
static java.lang.Object
invokeChildOrStatic(java.lang.Class<?> clazz, java.lang.String method, java.lang.Object... args)
static java.lang.Object
invokeStatic(java.lang.Class<?> clazz, java.lang.String method)
Invoke a static methodstatic java.lang.Object
invokeStatic(java.lang.Class<?> clazz, java.lang.String method, java.lang.Object... args)
Invoke a static method with argsstatic java.lang.Object
invokeStatic(java.lang.reflect.Method method, java.lang.Object[] args)
static java.lang.Object
invokeStatic(java.lang.reflect.Method method, java.util.Map<java.lang.String,java.lang.String[]> args)
static java.lang.Object
invokeStatic(java.lang.String clazz, java.lang.String method)
static java.lang.Object
invokeStaticOrParent(java.lang.Class<?> clazz, java.lang.String method, java.lang.Object... args)
static java.lang.String[]
parameterNames(java.lang.reflect.Method method)
Retrieve parameter names of a methodstatic java.lang.String
rawJavaType(java.lang.Class clazz)
static java.lang.String
rawMethodSignature(java.lang.reflect.Method method)
static byte[]
serialize(java.lang.Object o)
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Field Detail
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_javaWithCaching
protected static play.utils.JavaWithCaching _javaWithCaching
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_lastKnownApplicationClassloaderState
protected static ApplicationClassloaderState _lastKnownApplicationClassloaderState
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Method Detail
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getJavaWithCaching
protected static play.utils.JavaWithCaching getJavaWithCaching()
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extractInfosFromByteCode
public static java.lang.String[] extractInfosFromByteCode(byte[] code)
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extractUnderlyingCallable
public static java.lang.Object extractUnderlyingCallable(java.util.concurrent.FutureTask<?> futureTask)
Try to discover what is hidden under a FutureTask (hack)Field sync first, if not present will try field callable
- Parameters:
futureTask
- The given tack- Returns:
- Field sync first, if not present will try field callable
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invokeStatic
public static java.lang.Object invokeStatic(java.lang.Class<?> clazz, java.lang.String method) throws java.lang.Exception
Invoke a static method- Parameters:
clazz
- The classmethod
- The method name- Returns:
- The result
- Throws:
java.lang.Exception
- if problem occurred during invoking
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invokeStatic
public static java.lang.Object invokeStatic(java.lang.String clazz, java.lang.String method) throws java.lang.Exception
- Throws:
java.lang.Exception
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invokeStatic
public static java.lang.Object invokeStatic(java.lang.Class<?> clazz, java.lang.String method, java.lang.Object... args) throws java.lang.Exception
Invoke a static method with args- Parameters:
clazz
- The classmethod
- The method nameargs
- Arguments- Returns:
- The result
- Throws:
java.lang.Exception
- if problem occurred during invoking
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invokeStaticOrParent
public static java.lang.Object invokeStaticOrParent(java.lang.Class<?> clazz, java.lang.String method, java.lang.Object... args) throws java.lang.Exception
- Throws:
java.lang.Exception
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invokeChildOrStatic
public static java.lang.Object invokeChildOrStatic(java.lang.Class<?> clazz, java.lang.String method, java.lang.Object... args) throws java.lang.Exception
- Throws:
java.lang.Exception
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invokeStatic
public static java.lang.Object invokeStatic(java.lang.reflect.Method method, java.util.Map<java.lang.String,java.lang.String[]> args) throws java.lang.Exception
- Throws:
java.lang.Exception
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invokeStatic
public static java.lang.Object invokeStatic(java.lang.reflect.Method method, java.lang.Object[] args) throws java.lang.Exception
- Throws:
java.lang.Exception
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parameterNames
public static java.lang.String[] parameterNames(java.lang.reflect.Method method) throws java.lang.Exception
Retrieve parameter names of a method- Parameters:
method
- The given method- Returns:
- Array of parameter names
- Throws:
java.lang.Exception
- if problem occurred during invoking
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rawMethodSignature
public static java.lang.String rawMethodSignature(java.lang.reflect.Method method)
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rawJavaType
public static java.lang.String rawJavaType(java.lang.Class clazz)
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findAllAnnotatedMethods
public static java.util.List<java.lang.reflect.Method> findAllAnnotatedMethods(java.lang.Class<?> clazz, java.lang.Class<? extends java.lang.annotation.Annotation> annotationType)
Find all annotated method from a class- Parameters:
clazz
- The classannotationType
- The annotation class- Returns:
- A list of method object
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findAllAnnotatedMethods
public static java.util.List<java.lang.reflect.Method> findAllAnnotatedMethods(java.util.List<java.lang.Class> classes, java.lang.Class<? extends java.lang.annotation.Annotation> annotationType)
Find all annotated method from a class- Parameters:
classes
- The classesannotationType
- The annotation class- Returns:
- A list of method object
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findAllFields
public static void findAllFields(java.lang.Class clazz, java.util.Set<java.lang.reflect.Field> found)
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getFieldWrapper
public static Java.FieldWrapper getFieldWrapper(java.lang.reflect.Field field)
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serialize
public static byte[] serialize(java.lang.Object o) throws java.io.IOException
- Throws:
java.io.IOException
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deserialize
public static java.lang.Object deserialize(byte[] b) throws java.lang.Exception
- Throws:
java.lang.Exception
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