Quick Tour of Controlling Applets

Set Up a Policy File to Grant the Required Permission

A policy file is an ASCII text file and can be composed via a text editor or the graphical Policy Tool utility demonstrated in this section. The Policy Tool saves you typing and eliminates the need for you to know the required syntax of policy files, thus reducing errors.

You will use the Policy Tool to create a policy file, named mypolicy, in which you will add a policy entry that grants code from the directory where WriteFile.class is stored permission to write the writetest file. The steps are as follows:

1. Start Policy Tool

2. Grant the Required Permission

3. Save the Policy File

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Note for UNIX Users: The steps illustrate creating the policy file for a Windows system. The steps are exactly the same if you are working on a UNIX system. Where the text says to store the policy file in the C:\Test directory, you can store it in another directory. The examples in the step See the Policy File Effects and in the lesson Quick Tour of Controlling Applications assume that you stored it in the ~/test directory.

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Quick Tour of Controlling Applets