.NET/Java PDF, Tiff, Barcode SDK Library

This chapter will attempt to provide insight into the important considerations that are needed to ensure that your post deployment environment is planned in a manner that will not only ensure its initial success, but will also be easily adaptable as technical needs or policies change. A successfully planned and managed client implementation is predicated by numerous metrics: 1. 2. The existence of a tiered management hierarchy, structured appropriately for the environment to ensure granularity and scalability. The chosen policy implementation properly addresses the technical needs of the managed node s workflow, as well as the managed user s workflow. The chosen policy implementation adheres to global MIS policies. Management restrictions are as unobtrusive to end users as possible. Policy implementation is performed centrally, is dynamic, and can be easily changed across both a small and large scope of machines or users.

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As discussed earlier, sometimes you may want to launch a native RIM application to handle media capture instead of using MMAPI. Some times this will be your only choice, such as if you need to take a picture on a device without software version 4.6 or take a video on a device without version 5.0. Even if your device supports your desired operation, you may prefer the interface of the native application to what you can provide on your own. Starting recording in this manner is much simpler than MMAPI: it only takes a single line to start. On the other hand, getting data back out is quite a bit trickier. Because Invoke does not offer a mechanism for passing capture information back to the invoker, your only choice is to observe the filesystem. Once you see that a valid file has been created, you can assume that it was created by the capture application, and then perform whatever processing you want on it. The listener must implement the FileSystemJournalListener interface. It will receive notifications whenever the filesystem has changed. Listing 2-2 shows a basic listener that will notify via system output when a video has been saved. At the same point, it also could prompt the application to do something with that file.

3. 4. 5.

Listing 2-2. A Class That Listens for Recorded Video Files public class VideoFileListener implements FileSystemJournalListener { private long lastChangeNumber = 0; public void fileJournalChanged() { long nextChangeNumber = FileSystemJournal.getNextUSN(); for (long change = nextChangeNumber 1; change >= lastChangeNumber && change < nextChangeNumber; --change) { FileSystemJournalEntry entry = FileSystemJournal.getEntry(change); if (entry == null) { break; }

After reading this chapter, you will become familiar with numerous management principals to effect these goals: managing Open Directory s managed preferences system, user data planning, implementation and management, software update management, account and password policy management, and last but not least, live interactive management of your computer fleet using Apple Remote Desktop.

When manipulating JavaScript classes, keep the following points in mind: It is possible to create JavaScript types without using the new keyword. However, creating raw JavaScript objects has the disadvantage of having to cross-reference the object instance with the function. JavaScript objects are types that you can assign dynamically, making it possible to implement prototype-based programming, where the behavior of the type is determined at runtime. Earlier recipes in this chapter showed how to manipulate function objects, a technique that also applies to JavaScript object types. The basis of all JavaScript objects is the type Object. When using the new keyword to instantiate a type, the prototype property associated with the function object can be used to define behavior that applies to all instances of a particular type.

Managed preferences in Mac OS X provide administrators with a valuable tool set for managing many aspects of the Mac OS X computing environment. Their capabilities run a wide berth, providing many functions, such as managing individual userland application settings, applying user restrictions to inserted or removable media, controlling application access, and deploying network proxy settings. And they can also provide for managing computer hardware energy saver settings, including the ability to centrally deploy computer shutdown and reboot schedules. Managed preferences in OS X are based off of Apple s MCX system, so the terms are often used interchangeably. Short for Managed Client OS X, MCX is a piece of Apple s solution to the user and computer management equation. MCX settings utilize LDAP for their application. This is typically Apple s Open Directory, but it is certainly possible to extend the schema of alternative LDAP servers to provide full functionality (such as Active Directory or eDirectory). Managed preferences are configured through the Preferences interface of the Workgroup Manager Application, as shown in Figure 7-1. On a macro level, preference management can be applied at four different levels, each represented by a tab in the top-left region of Workgroup Manager. These levels include individual users, groups, individual computers, and groups of computers. Standard groups, once managed, are

if (entry.getEvent() == FileSystemJournalEntry.FILE_ADDED) { String path = entry.getPath(); if (path != null && path.indexOf(".3gp") != -1) { System.out.println("Video saved in " + path); break; } } } lastChangeNumber = nextChangeNumber; } }