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java.lang.Object | +--java.beans.PropertyEditorManager
The PropertyEditorManager can be used to locate a property editor for any given type name. This property editor must support the java.beans.PropertyEditor interface for editing a given object.
The PropertyEditorManager uses three techniques for locating an editor for a given type. First, it provides a registerEditor method to allow an editor to be specifically registered for a given type. Second it tries to locate a suitable class by adding "Editor" to the full qualified classname of the given type (e.g. "foo.bah.FozEditor"). Finally it takes the simple classname (without the package name) adds "Editor" to it and looks in a search-path of packages for a matching class.
So for an input class foo.bah.Fred, the PropertyEditorManager would first look in its tables to see if an editor had been registered for foo.bah.Fred and if so use that. Then it will look for a foo.bah.FredEditor class. Then it will look for (say) standardEditorsPackage.FredEditor class.
Default PropertyEditors will be provided for the Java primitive types "boolean", "byte", "short", "int", "long", "float", and "double"; and for the classes java.lang.String. java.awt.Color, and java.awt.Font.
Field Summary | |
private static Hashtable |
registry
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private static String[] |
searchPath
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Constructor Summary | |
PropertyEditorManager()
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Method Summary | |
static PropertyEditor |
findEditor(Class targetType)
Locate a value editor for a given target type. |
static String[] |
getEditorSearchPath()
Gets the package names that will be searched for property editors. |
private static void |
initialize()
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private static void |
load(Class targetType,
String name)
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static void |
registerEditor(Class targetType,
Class editorClass)
Register an editor class to be used to editor values of a given target class. |
static void |
setEditorSearchPath(String[] path)
Change the list of package names that will be used for finding property editors. |
Methods inherited from class java.lang.Object |
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Field Detail |
private static String[] searchPath
private static Hashtable registry
Constructor Detail |
public PropertyEditorManager()
Method Detail |
public static void registerEditor(Class targetType, Class editorClass)
First, if there is a security manager, its checkPropertiesAccess
method is called. This could result in a SecurityException.
targetType
- the Class object of the type to be editededitorClass
- the Class object of the editor class. If
this is null, then any existing definition will be removed.checkPropertiesAccess
method doesn't allow setting
of system properties.SecurityManager.checkPropertiesAccess()
public static PropertyEditor findEditor(Class targetType)
targetType
- The Class object for the type to be editedpublic static String[] getEditorSearchPath()
This is initially set to {"sun.beans.editors"}.
public static void setEditorSearchPath(String[] path)
First, if there is a security manager, its checkPropertiesAccess
method is called. This could result in a SecurityException.
path
- Array of package names.checkPropertiesAccess
method doesn't allow setting
of system properties.SecurityManager.checkPropertiesAccess()
private static void load(Class targetType, String name)
private static void initialize()
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