preferences permission. However, WebStart-based applications cannot permit preferences only. You can permit all or deny all by using a jnlp-file. So, how to store user preferences for unsigned applications deployed through Java WebStart?
 |
Search |
 |
|||||||||||||||||||||||||||||||||||||||||||||||||||
|
Blogs by topic J2SE and user malenkov
J2SE
The Preferences API can be used by applications along with the installed security manager that enables using the
I would like to discuss code conventions. In particular, the usage of the
this keyword.
A
PropertyEditor interface provides support for GUIs to enable editing a property value of a given type. The interface supports a variety of ways to display and update property values. One of these ways is to employ the string representation of a Java code fragment that can be obtained by getJavaInitializationString, the method all standard property editors implement. To test this feature, one could generate a source code with a method that returns a required string, compile the code, run the class, and verify the value. This is quite easy to do with the Java 6 Compiler API.
I needed to load the classes from the
dt.jar archive on the fly. The path to the archive was generated automatically based on the "java.home" system property. The original idea was to use the URLClassLoader, but it could not find classes. I had to write a custom class loader which read an archive and loaded classes on demand. At that instant I realized why the URLClassLoader did not work: I had incorrectly generated the path to the archive and the URLClassLoader for a wonder provided no warning that the archive was not found.
I would like to discuss some proposed changes in the JColorChooser component.
Correct usage of constrained properties seems still remain unclear for many users.
Let's talk about the
FeatureDescriptor class, the superclass for all other descriptors. It enables to add extra metadata to describe the beans. The builder tool could use such metadata to provide enhanced functionality.
The @ConstructorProperties annotation for constructors was introduced in JDK version 6. This annotation shows how the parameters of annotated constructor correspond to object's properties.
I would like to start a discussion about XMLDecoder improvements. Some requests can be found in RFE 4864117. I don't want to discuss improvements of persistence delegation (XMLEncoder) here.
This is a sequel of my first article about Enums encoding. As you may know, Type-Safe Enums were proposed by Joshua Bloch in Effective Java, but they are not supported by XMLEncoder. This article describes how to encode them into XML properly.
As you may know, Enums were introduced in Tiger, but they are not supported by XMLEncoder. This article describes how to encode them into XML properly.
|
|||||||||||||||||||||||||||||||||||||||||||||||||||
|
||||||||||||||||||||||||||||||||||||||||||||||||||||
|
