Package org.zkoss.lang.reflect
Class Fields
- java.lang.Object
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- org.zkoss.lang.reflect.Fields
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public class Fields extends java.lang.Object
Utilities to access fields.- Author:
- tomyeh
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Constructor Summary
Constructors Constructor Description Fields()
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Method Summary
All Methods Static Methods Concrete Methods Modifier and Type Method Description static java.lang.Object
get(java.lang.Object obj, java.lang.String name)
Returns the value of the specified public field or public method in the object.static java.lang.Object
getByCompound(java.lang.Object obj, java.lang.String name)
Returns the value of the specified public field or public method of the object.static void
set(java.lang.Object obj, java.lang.String name, java.lang.Object val, boolean autoCoerce)
Sets the value of the specified public filed or public method in the object.static void
setAccessible(java.lang.reflect.AccessibleObject f, boolean accessible)
Changes the accessibility without throwing any exception.static void
setByCompound(java.lang.Object obj, java.lang.String name, java.lang.Object val)
Sets the value of the specified public field or public method in the object, without converting the specified val.static void
setByCompound(java.lang.Object obj, java.lang.String name, java.lang.Object val, boolean autoCoerce)
Sets the value of the specified public field or public method in the object.
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Method Detail
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setAccessible
public static final void setAccessible(java.lang.reflect.AccessibleObject f, boolean accessible)
Changes the accessibility without throwing any exception.- Since:
- 3.0.3
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getByCompound
public static final java.lang.Object getByCompound(java.lang.Object obj, java.lang.String name) throws java.lang.NoSuchMethodException
Returns the value of the specified public field or public method of the object.If getByCompound(obj, "a.b.c") is called and obj.getA() or obj.getA().getB() returns null, the result is null. However, NullPointerException is thrown if obj is null.
- Parameters:
name
- the field name. It can be in form of "a.b.c", but cannot be an expression. It must be a public field or public method (prefixed with set).- Throws:
java.lang.NoSuchMethodException
- if no corresponding field.
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setByCompound
public static final void setByCompound(java.lang.Object obj, java.lang.String name, java.lang.Object val, boolean autoCoerce) throws java.lang.NoSuchMethodException
Sets the value of the specified public field or public method in the object.- Parameters:
autoCoerce
- whether to automatically convert val to the proper class that matches the argument of method or field.- Throws:
java.lang.NoSuchMethodException
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setByCompound
public static final void setByCompound(java.lang.Object obj, java.lang.String name, java.lang.Object val) throws java.lang.NoSuchMethodException
Sets the value of the specified public field or public method in the object, without converting the specified val.It is a shortcut of setByCompound(obj, name, val, false).
- Parameters:
name
- the field name. It can be in form of "a.b.c", but cannot be an expression. It must be a public field or public method (prefixed with set).- Throws:
java.lang.NoSuchMethodException
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get
public static final java.lang.Object get(java.lang.Object obj, java.lang.String name) throws java.lang.NoSuchMethodException
Returns the value of the specified public field or public method in the object. UnlikegetByCompound(java.lang.Object, java.lang.String)
, name cannot contain '.'. In other words, it must be the name of a public field or method (prefixed with get).- Throws:
java.lang.NoSuchMethodException
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set
public static final void set(java.lang.Object obj, java.lang.String name, java.lang.Object val, boolean autoCoerce) throws java.lang.NoSuchMethodException
Sets the value of the specified public filed or public method in the object. UnlikesetByCompound(java.lang.Object, java.lang.String, java.lang.Object, boolean)
, name cannot contain '.'. In other words, it must be the name of a public field or method (prefixed with set).- Throws:
java.lang.NoSuchMethodException
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