Package org.sqlproc.engine.plugin

Class DefaultBeanUtilsPlugin

java.lang.Object

org.sqlproc.engine.plugin.DefaultBeanUtilsPlugin

All Implemented Interfaces:

BeanUtilsPlugin

public class DefaultBeanUtilsPlugin
extends Object
implements BeanUtilsPlugin

Standard bean utilities implementation.

Author:

Vladimir Hudec

Nested Class Summary

Nested classes/interfaces inherited from interface org.sqlproc.engine.plugin.BeanUtilsPlugin

BeanUtilsPlugin.GetterType

Field Summary

Fields

Modifier and Type	Field	Description
protected ConcurrentHashMap<String,Constructor<?>>	constructors
protected ConcurrentHashMap<String,PropertyDescriptor[]>	descriptors
protected ConcurrentHashMap<String,Method>	enumsIn
protected ConcurrentHashMap<String,Method>	enumsOut
protected ConcurrentHashMap<String,Method>	getters
(package private) org.slf4j.Logger	logger	The internal slf4j logger.
protected ConcurrentHashMap<String,Method>	methods
protected ConcurrentHashMap<String,Class<?>[]>	parameterizedTypes
protected ConcurrentHashMap<String,Method>	setters
protected ConcurrentHashMap<String,BeanUtilsPlugin.GetterType>	typeGetters
protected ConcurrentHashMap<String,Class<?>>	types

Constructor Summary

Constructors

Constructor	Description
DefaultBeanUtilsPlugin()

Method Summary

Modifier and Type	Method	Description
protected boolean	areTheSameParameters(Class<?> methodParameterType, Class<?> parameterType)
protected String	attrTypes2String(Class<?>... attrTypes)
boolean	checkAttribute(SqlRuntimeContext runtimeCtx, Object bean, String attrName)	Checks the attribute getter method existence.
boolean	checkMethod(SqlRuntimeContext runtimeCtx, Class<?> clazz, String methodName, Class<?>... argTypes)	Checks the class method existence.
boolean	checkMethod(SqlRuntimeContext runtimeCtx, Object bean, String methodName, Object... args)	Checks the bean method existence.
protected String	debugInfo(String msg, Object bean, Method method, Object... args)
Object	getAttribute(SqlRuntimeContext runtimeCtx, Object bean, String attrName)	Returns the value of the specified simple attribute of the specified bean.
protected PropertyDescriptor	getAttributeDescriptor(Class<?> clazz, String attrName)
Class<?>[]	getAttributeParameterizedTypes(SqlRuntimeContext runtimeCtx, Class<?> clazz, String attrName)	Returns the Java parameterized type info for the attribute, if there is one.
Class<?>	getAttributeType(SqlRuntimeContext runtimeCtx, Class<?> clazz, String attrName)	Returns the Java type info for the attribute, if there is one.
protected PropertyDescriptor[]	getDescriptors(Class<?> clazz)
Class<?>	getEnumToClass(SqlRuntimeContext runtimeCtx, Class<?> clazz)	Returns the bean enumeration type.
Object	getEnumToValue(SqlRuntimeContext runtimeCtx, Object bean)	Returns the bean enumeration value.
protected Method	getGetter(SqlRuntimeContext runtimeCtx, Class<?> clazz, String attrName, boolean onlyCheck)
BeanUtilsPlugin.GetterType	getGetterType(SqlRuntimeContext runtimeCtx, Class<?> clazz, String attrName)	Returns the attribute getter method types, if there is one.
BeanUtilsPlugin.GetterType	getGetterType(SqlRuntimeContext runtimeCtx, Object bean, String attrName)	Returns the attribute getter method types, if there is one.
Object	getInstance(SqlRuntimeContext runtimeCtx, Class<?> clazz)	Returns the new class instance
protected Constructor<?>	getInstanceConstructor(SqlRuntimeContext runtimeCtx, Class<?> clazz)
protected Method	getInterfaceMethod(Class<?> clazz, String methodName, Class<?>[] parameterTypes)
protected Method	getMethod(Class<?> clazz, Method method, boolean onlyCheck)
protected Method	getMethod(Class<?> clazz, String methodName, boolean onlyCheck, Class<?>... parameterTypes)
protected Class<?>	getPrimitiveWrapper(Class<?> primitiveType)
protected Method	getSetter(SqlRuntimeContext runtimeCtx, Class<?> clazz, String attrName, boolean onlyCheck, Class<?>... attrTypes)
protected Method	getSetter(SqlRuntimeContext runtimeCtx, Object bean, String attrName, boolean onlyCheck, Class<?>... attrTypes)
protected Method	getSuperclassMethod(Class<?> clazz, String methodName, Class<?>[] parameterTypes)
Object	getValueToEnum(SqlRuntimeContext runtimeCtx, Class<?> clazz, Object val)	Returns the enumeration instance for the enumeration value
protected Object	invokeMethod(SqlRuntimeContext runtimeCtx, Class<?> clazz, Object bean, String methodName, Object... args)
Object	invokeMethod(SqlRuntimeContext runtimeCtx, Class<?> clazz, String methodName, Object... args)	Invokes the class method with the specified name and parameters.
protected Object	invokeMethod(SqlRuntimeContext runtimeCtx, Object bean, Method method, Object... args)
Object	invokeMethod(SqlRuntimeContext runtimeCtx, Object bean, String methodName, Object... args)	Invokes the bean method with the specified name and parameters.
void	setAttribute(SqlRuntimeContext runtimeCtx, Object bean, String attrName, Object attrValue)	Sets the value of the specified simple attribute of the specified bean.
boolean	simpleSetAttribute(SqlRuntimeContext runtimeCtx, Object bean, String attrName, Object attrValue, Class<?>... attrTypes)	Sets the value of the specified simple attribute of the specified bean, if there is one.
protected Object[]	toArray(Object arg)
protected Class<?>[]	toParameterTypes(Object arg)
protected Class<?>[]	toParameterTypes(Object[] args)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

constructors

protected ConcurrentHashMap<String,Constructor<?>> constructors

descriptors

protected ConcurrentHashMap<String,PropertyDescriptor[]> descriptors

types

protected ConcurrentHashMap<String,Class<?>> types

parameterizedTypes

protected ConcurrentHashMap<String,Class<?>[]> parameterizedTypes

getters

protected ConcurrentHashMap<String,Method> getters

typeGetters

protected ConcurrentHashMap<String,BeanUtilsPlugin.GetterType> typeGetters

setters

protected ConcurrentHashMap<String,Method> setters

methods

protected ConcurrentHashMap<String,Method> methods

enumsIn

protected ConcurrentHashMap<String,Method> enumsIn

enumsOut

protected ConcurrentHashMap<String,Method> enumsOut

logger

final org.slf4j.Logger logger

The internal slf4j logger.

Constructor Detail

DefaultBeanUtilsPlugin

public DefaultBeanUtilsPlugin()

Method Detail

getInstanceConstructor

protected Constructor<?> getInstanceConstructor(SqlRuntimeContext runtimeCtx,
                                                Class<?> clazz)

getInstance

public Object getInstance(SqlRuntimeContext runtimeCtx,
                          Class<?> clazz)

Returns the new class instance

Specified by:

getInstance in interface BeanUtilsPlugin

Parameters:

runtimeCtx - the public runtime context

clazz - the class to be constructed

Returns:

the new class instance. Null in the case of any error.

getDescriptors

protected PropertyDescriptor[] getDescriptors(Class<?> clazz)

getAttributeDescriptor

protected PropertyDescriptor getAttributeDescriptor(Class<?> clazz,
                                                    String attrName)

getAttributeType

public Class<?> getAttributeType(SqlRuntimeContext runtimeCtx,
                                 Class<?> clazz,
                                 String attrName)

Description copied from interface: BeanUtilsPlugin

Returns the Java type info for the attribute, if there is one.

Specified by:

getAttributeType in interface BeanUtilsPlugin

Parameters:

runtimeCtx - the public runtime context

clazz - the class for which the attribute type is requested

attrName - the name of the attribute which type is requested

Returns:

the object that represents the Java type info. Null in the case there's no such attribute.

getAttributeParameterizedTypes

public Class<?>[] getAttributeParameterizedTypes(SqlRuntimeContext runtimeCtx,
                                                 Class<?> clazz,
                                                 String attrName)

Description copied from interface: BeanUtilsPlugin

Returns the Java parameterized type info for the attribute, if there is one.

Specified by:

getAttributeParameterizedTypes in interface BeanUtilsPlugin

Parameters:

runtimeCtx - the public runtime context

clazz - the class for which the attribute type is requested

attrName - the name of the attribute which type is requested

Returns:

the object that represents the Java parameterized type info. Null in the case there's no such attribute.

getGetter

protected Method getGetter(SqlRuntimeContext runtimeCtx,
                           Class<?> clazz,
                           String attrName,
                           boolean onlyCheck)

getGetterType

public BeanUtilsPlugin.GetterType getGetterType(SqlRuntimeContext runtimeCtx,
                                                Class<?> clazz,
                                                String attrName)

Returns the attribute getter method types, if there is one.

Specified by:

getGetterType in interface BeanUtilsPlugin

Parameters:

runtimeCtx - the public runtime context

clazz - the class for which the getter is requested

attrName - the name of the attribute which getter is requested

Returns:

The method that should be used to read the property value. Null in the case there's no such attribute's getter.

getGetterType

public BeanUtilsPlugin.GetterType getGetterType(SqlRuntimeContext runtimeCtx,
                                                Object bean,
                                                String attrName)

Returns the attribute getter method types, if there is one.

Specified by:

getGetterType in interface BeanUtilsPlugin

Parameters:

runtimeCtx - the public runtime context

bean - the bean for which the getter is requested

attrName - the name of the attribute which getter is requested

Returns:

The getter method types that should be used to read the property value. Null in the case there's no such attribute's getter.

checkAttribute

public boolean checkAttribute(SqlRuntimeContext runtimeCtx,
                              Object bean,
                              String attrName)

Checks the attribute getter method existence.

Specified by:

checkAttribute in interface BeanUtilsPlugin

Parameters:

runtimeCtx - the public runtime context

bean - the bean for which the getter is checked

attrName - the name of the attribute which getter is checked

Returns:

True if there's the attribute getter method

getAttribute

public Object getAttribute(SqlRuntimeContext runtimeCtx,
                           Object bean,
                           String attrName)
                    throws SqlRuntimeException

Returns the value of the specified simple attribute of the specified bean.

Specified by:

getAttribute in interface BeanUtilsPlugin

Parameters:

runtimeCtx - the public runtime context

bean - the bean for which the attribute value is requested

attrName - the name of the attribute which value is requested

Returns:

the attribute value

Throws:

SqlRuntimeException - in the case of any error

getSetter

protected Method getSetter(SqlRuntimeContext runtimeCtx,
                           Class<?> clazz,
                           String attrName,
                           boolean onlyCheck,
                           Class<?>... attrTypes)

getSetter

protected Method getSetter(SqlRuntimeContext runtimeCtx,
                           Object bean,
                           String attrName,
                           boolean onlyCheck,
                           Class<?>... attrTypes)

simpleSetAttribute

public boolean simpleSetAttribute(SqlRuntimeContext runtimeCtx,
                                  Object bean,
                                  String attrName,
                                  Object attrValue,
                                  Class<?>... attrTypes)

Sets the value of the specified simple attribute of the specified bean, if there is one.

Specified by:

simpleSetAttribute in interface BeanUtilsPlugin

Parameters:

runtimeCtx - the public runtime context

bean - the bean for which the attribute value is to be modified

attrName - the name of the attribute to be modified

attrValue - the value to which the attribute should be set

attrTypes - the possible attribute types

Returns:

True if the attribute was successfully modified

setAttribute

public void setAttribute(SqlRuntimeContext runtimeCtx,
                         Object bean,
                         String attrName,
                         Object attrValue)
                  throws SqlRuntimeException

Sets the value of the specified simple attribute of the specified bean.

Specified by:

setAttribute in interface BeanUtilsPlugin

Parameters:

runtimeCtx - the public runtime context

bean - the bean for which the attribute value is to be modified

attrName - the name of the attribute to be modified

attrValue - the value to which the attribute should be set

Throws:

SqlRuntimeException - in the case of any error

getMethod

protected Method getMethod(Class<?> clazz,
                           Method method,
                           boolean onlyCheck)

getInterfaceMethod

protected Method getInterfaceMethod(Class<?> clazz,
                                    String methodName,
                                    Class<?>[] parameterTypes)

getSuperclassMethod

protected Method getSuperclassMethod(Class<?> clazz,
                                     String methodName,
                                     Class<?>[] parameterTypes)

getMethod

protected Method getMethod(Class<?> clazz,
                           String methodName,
                           boolean onlyCheck,
                           Class<?>... parameterTypes)

areTheSameParameters

protected final boolean areTheSameParameters(Class<?> methodParameterType,
                                             Class<?> parameterType)

getPrimitiveWrapper

protected Class<?> getPrimitiveWrapper(Class<?> primitiveType)

invokeMethod

protected Object invokeMethod(SqlRuntimeContext runtimeCtx,
                              Object bean,
                              Method method,
                              Object... args)

checkMethod

public boolean checkMethod(SqlRuntimeContext runtimeCtx,
                           Class<?> clazz,
                           String methodName,
                           Class<?>... argTypes)

Checks the class method existence.

Specified by:

checkMethod in interface BeanUtilsPlugin

Parameters:

runtimeCtx - the public runtime context

clazz - the class for which the method existence is checked

methodName - the name of the method to be checked

argTypes - the method parameters types

Returns:

True if there's such a method

checkMethod

public boolean checkMethod(SqlRuntimeContext runtimeCtx,
                           Object bean,
                           String methodName,
                           Object... args)

Checks the bean method existence.

Specified by:

checkMethod in interface BeanUtilsPlugin

Parameters:

runtimeCtx - the public runtime context

bean - the bean for which the method existence is checked

methodName - the name of the method to be checked

args - the method parameters

Returns:

True if there's such a method

invokeMethod

public Object invokeMethod(SqlRuntimeContext runtimeCtx,
                           Class<?> clazz,
                           String methodName,
                           Object... args)
                    throws SqlRuntimeException

Invokes the class method with the specified name and parameters. The method can be a static one.

Specified by:

invokeMethod in interface BeanUtilsPlugin

Parameters:

runtimeCtx - the public runtime context

clazz - the class which method is going to be invoked

methodName - the requested method name

args - the method parameters

Returns:

the result of the method invocation

Throws:

SqlRuntimeException - in the case of any error

invokeMethod

public Object invokeMethod(SqlRuntimeContext runtimeCtx,
                           Object bean,
                           String methodName,
                           Object... args)
                    throws SqlRuntimeException

Invokes the bean method with the specified name and parameters.

Specified by:

invokeMethod in interface BeanUtilsPlugin

Parameters:

runtimeCtx - the public runtime context

bean - the bean which method is going to be invoked

methodName - the requested method name

args - the method parameters

Returns:

the result of the method invocation

Throws:

SqlRuntimeException - in the case of any error

invokeMethod

protected Object invokeMethod(SqlRuntimeContext runtimeCtx,
                              Class<?> clazz,
                              Object bean,
                              String methodName,
                              Object... args)
                       throws SqlRuntimeException

Throws:

SqlRuntimeException

getEnumToValue

public Object getEnumToValue(SqlRuntimeContext runtimeCtx,
                             Object bean)

Returns the bean enumeration value.

Specified by:

getEnumToValue in interface BeanUtilsPlugin

Parameters:

runtimeCtx - the public runtime context

bean - the bean of the enumeration type

Returns:

the enumeration value. Null in the case of any error.

getEnumToClass

public Class<?> getEnumToClass(SqlRuntimeContext runtimeCtx,
                               Class<?> clazz)

Returns the bean enumeration type.

Specified by:

getEnumToClass in interface BeanUtilsPlugin

Parameters:

runtimeCtx - the public runtime context

clazz - the class of the enumeration type

Returns:

the enumeration type. Null in the case of any error.

getValueToEnum

public Object getValueToEnum(SqlRuntimeContext runtimeCtx,
                             Class<?> clazz,
                             Object val)

Returns the enumeration instance for the enumeration value

Specified by:

getValueToEnum in interface BeanUtilsPlugin

Parameters:

runtimeCtx - the public runtime context

clazz - the class of the enumeration type

val - the enumeration value

Returns:

the enumeration instance. Null in the case of any error.

attrTypes2String

protected String attrTypes2String(Class<?>... attrTypes)

toArray

protected Object[] toArray(Object arg)

toParameterTypes

protected Class<?>[] toParameterTypes(Object arg)

toParameterTypes

protected Class<?>[] toParameterTypes(Object[] args)

debugInfo

protected String debugInfo(String msg,
                           Object bean,
                           Method method,
                           Object... args)