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java.lang.Objectorg.pfsw.reflect.ClassInfo<T>
public class ClassInfo<T>
Contains the name of a class and the class itself. It can create new instances.
Field Summary | |
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static java.lang.Object[] |
EMPTY_OBJECT_ARRAY
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Constructor Summary | |
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ClassInfo(java.lang.Class aClass)
Initialize the new instance with a class. |
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ClassInfo(java.lang.Class aClass,
boolean singleton)
Initialize the new instance with a class. |
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ClassInfo(java.lang.String className)
Initialize the new instance with a class name. |
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ClassInfo(java.lang.String className,
boolean singleton)
Initialize the new instance with a class name and a flag if it is a singleton. |
Method Summary | |
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protected java.lang.String |
className()
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protected void |
className(java.lang.String newValue)
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protected java.lang.Class<T> |
classObject()
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protected void |
classObject(java.lang.Class<T> newValue)
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T |
createInstance()
Returns a new instance of the class or null in any case of error. |
java.lang.String |
getClassName()
Returns the name of the class, this object represents. |
java.lang.Class<T> |
getClassObject()
Returns the the class object. |
T |
getInstance()
Returns either a new instance of the underlying class or always the identical instance if it is defined to be a singleton. |
protected T |
getSoleInstance()
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protected void |
handleException(java.lang.Exception exception)
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protected void |
initClassObject()
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boolean |
isAssignableFrom(java.lang.Class type)
Determines if the class or interface represented by this ClassInfo object is either the same as, or is a superclass or superinterface of, the class or interface represented by the specified Class parameter. |
boolean |
isAssignableTo(java.lang.Class type)
Determines if the class or interface represented by the specified class parameter is either the same as, or is a superclass or superinterface of, the class or interface represented by this ClassInfo object. |
boolean |
isInstance(java.lang.Object object)
Determines if the specified Object is assignment-compatible with the object represented by this ClassInfo. |
boolean |
isSingleton()
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T[] |
newArray(int size)
Returns a new array of the type represented by this ClassInfo. |
T |
newInstance()
Returns a new instance of the class. |
void |
setClassName(java.lang.String className)
Set the name of the class this object should represent. |
void |
setClassObject(java.lang.Class<T> aClass)
Set the class object. |
void |
setIsSingleton(boolean newValue)
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protected void |
setSoleInstance(T newValue)
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java.lang.String |
toString()
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Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait |
Field Detail |
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public static final java.lang.Object[] EMPTY_OBJECT_ARRAY
Constructor Detail |
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public ClassInfo(java.lang.String className)
className
- The name of the class the new object should represent.public ClassInfo(java.lang.String className, boolean singleton)
className
- The name of the class the new object should represent.singleton
- if true method getInstance() will return always the identical instancepublic ClassInfo(java.lang.Class aClass)
aClass
- The class the new object should represent.public ClassInfo(java.lang.Class aClass, boolean singleton)
aClass
- The class the new object should represent.singleton
- if true method getInstance() will return always the identical instanceMethod Detail |
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protected java.lang.String className()
protected void className(java.lang.String newValue)
protected java.lang.Class<T> classObject()
protected void classObject(java.lang.Class<T> newValue)
public boolean isSingleton()
public void setIsSingleton(boolean newValue)
protected T getSoleInstance()
protected void setSoleInstance(T newValue)
public boolean isAssignableFrom(java.lang.Class type)
type
- the Class object to be checkedpublic boolean isAssignableTo(java.lang.Class type)
type
- the Class object to be checkedpublic boolean isInstance(java.lang.Object object)
object
- the object to checkpublic java.lang.String getClassName()
public void setClassName(java.lang.String className)
className
- A fully qualified class namepublic java.lang.Class<T> getClassObject()
public void setClassObject(java.lang.Class<T> aClass)
aClass
- A classpublic T getInstance()
isSingleton()
,
setIsSingleton(boolean)
public T createInstance()
newInstance
.
newInstance()
public T newInstance() throws java.lang.ClassNotFoundException, java.lang.InstantiationException, java.lang.IllegalAccessException
java.lang.ClassNotFoundException
- If the class represented by this object can't be found
java.lang.InstantiationException
- If no none-argument constructor is available/visible
java.lang.IllegalAccessException
- If for security reasons the instance creation of this class prohibitedcreateInstance()
public T[] newArray(int size)
size
- The number of elements the new array whould have (must not be negative)
java.lang.NullPointerException
- if the specified componentType parameter is null
java.lang.IllegalArgumentException
- if componentType is Void.TYPE
java.lang.NegativeArraySizeException
- if the specified length is negativepublic java.lang.String toString()
toString
in class java.lang.Object
Object.toString()
protected void initClassObject()
protected void handleException(java.lang.Exception exception)
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