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Project UI API - NetBeans Architecture Questions - NetBeans API Javadoc (Current Development Version)

NetBeans Architecture Answers for Project UI API module

WARNING: answering questions version 1.25 rather than the current 1.29.

Interfaces table

Group of java interfaces
Interface NameIn/OutStabilitySpecified in What Document?
ProjectUIAPIExportedOfficial

The Project UI API provides some miscellaneous APIs and SPIs relating to the appearance and UI behavior of generic projects. Most importantly, it permits the customizer and logical view of a project to be defined.

ProjectUIAPI-providerExportedFriend

Callbacks intended to let the Project UI module plug in implementations of APIs defined here. Uses implementation dependencies.

ProjectAPIImportedUnder Development

For various purposes.

.../overview-summary.html

The module is needed for compilation. The module is used during runtime. Specification version 1.12 is required.

FilesystemsImportedOfficial

For various purposes.

DatasystemsImportedOfficial

For just internal purposes.

NodesImportedOfficial

Part of API.

ProgressImportedOfficial .../overview-summary.html

The module is needed for compilation. The module is used during runtime. Specification version 1.0 is required.

GeneralQueriesAPIImportedOfficial .../overview-summary.html

The module is needed for compilation. The module is used during runtime. Specification version 1.5 is required.

org.openide.awtImportedOfficial../org-openide-awt/overview-summary.html

The module is needed for compilation. The module is used during runtime. Specification version 6.2 is required.

DialogsAPIImportedOfficial .../overview-summary.html

The module is needed for compilation. The module is used during runtime. Specification version 6.2 is required.

ExplorerAPIImportedOfficial .../overview-summary.html

The module is needed for compilation. The module is used during runtime. Specification version 6.8 is required.

FilesystemsAPIImportedOfficial .../overview-summary.html

The module is needed for compilation. The module is used during runtime. Specification version 6.2 is required.

LoadersAPIImportedOfficial .../overview-summary.html

The module is needed for compilation. The module is used during runtime.

NodesAPIImportedOfficial .../overview-summary.html

The module is needed for compilation. The module is used during runtime. Specification version 6.2 is required.

UtilitiesAPIImportedOfficial../org-openide-util/overview-summary.html

The module is needed for compilation. The module is used during runtime. Specification version 7.8 is required.

Group of lookup interfaces
Interface NameIn/OutStabilitySpecified in What Document?
org.openide.loaders.CreateFromTemplateAttributesProviderInProjectLookupImportedOfficial

The attribute providers registered in project lookups. Collected template attributes are exposed by org.openide.loaders.CreateFromTemplateAttributesProvider.

org.openide.loaders.CreateFromTemplateAttributesProviderExportedOfficial

The attributes provider is registered in META-INF/services. It collects attributes from org.openide.loaders.CreateFromTemplateAttributesProviders registered in project lookups. It provides
project.license attribute for file templates using scripting support.

Group of property interfaces
Interface NameIn/OutStabilitySpecified in What Document?
project.licenseExportedOfficial

project.license attribute contains project license as String for newly created
templates. It is used to import license templates. The default is used if the attribute was not found in any project lookup.

Group of layer interfaces
Interface NameIn/OutStabilitySpecified in What Document?
RegisteredActionsExportedUnder Development

Several project related actions are registered in the Actions folder in the layer. Product branding is intended to use those actions to build main menu, toolbars and shortcuts.

  • Actions/Project/org-netbeans-modules-project-ui-BuildMainProject.instance
  • Actions/Project/org-netbeans-modules-project-ui-CleanMainProject.instance
  • Actions/Project/org-netbeans-modules-project-ui-RebuildMainProject.instance
  • Actions/Project/org-netbeans-modules-project-ui-RunMainProject.instance
  • Actions/Project/org-netbeans-modules-project-ui-DebugMainProject.instance
  • Actions/Project/org-netbeans-modules-project-ui-TestProject.instance
  • Actions/Project/org-netbeans-modules-project-ui-BuildProject.instance
  • Actions/Project/org-netbeans-modules-project-ui-CleanProject.instance
  • Actions/Project/org-netbeans-modules-project-ui-RebuildProject.instance
  • Actions/Project/org-netbeans-modules-project-ui-RunProject.instance

ProjectTemplatesExportedOfficial

New (or import) project wizards can be registered in a special folder Templates/Projects/.

ProjectActionsExportedOfficial

Providers of generic project actions can register Action and JSeparator instances in a special folder Projects/Actions/. So if any module wishes to extend, hide or reorder some of them it can just register its actions there. Example:

    <folder name="Projects" >
        <folder name="Actions" >
            <file name="org-mymodule-MyAction.instance" >
                <attr name="instanceCreate" stringvalue="org.mymodule.MyAction" />
            </file>
        </folder>
    </folder>
    

TemplatesExportedOfficial

File templates can be registered with various attributes, some specific to the project system.

TemplatesLicensesExportedOfficial

Under Templates/Licenses folder should be registered various license headers that can be imported by templates using scripting. The recommended format of filename is license-[licensename].txt e.g. license-cddl.txt.


General Information

    Question (arch-what): What is this project good for?

    Answer:

    The module supplies the APIs for the basic, generic UI infrastructure for projects: list of opened projects, main project, basic project-sensitive actions, template wizards, etc.

    Question (arch-overall): Describe the overall architecture.

    Answer:
    • ProjectUIAPI -

      The Project UI API provides some miscellaneous APIs and SPIs relating to the appearance and UI behavior of generic projects. Most importantly, it permits the customizer and logical view of a project to be defined.

    • ProjectUIAPI-provider -

      Callbacks intended to let the Project UI module plug in implementations of APIs defined here. Uses implementation dependencies.

    Question (arch-usecases): Describe the main use cases of the new API. Who will use it under what circumstances? What kind of code would typically need to be written to use the module?

    Answer:

    The main use case is for project type providers to supply logical views and customizers for the project. Also for template providers to create project-aware file templates. Can also get a list of open projects, create different kinds of project-related actions, and select projects on disk.

    Question (arch-time): What are the time estimates of the work?

    Answer:

    Mostly finished.

    Question (arch-quality): How will the quality of your code be tested and how are future regressions going to be prevented?

    Answer:

    No tests currently, but this is mostly API and not implementation.

    Question (arch-where): Where one can find sources for your module?

    WARNING: Question with id="arch-where" has not been answered!

Project and platform dependencies

    Question (dep-nb): What other NetBeans projects and modules does this one depend on?

    Answer:

    The default answer to this question is:

    These modules are required in project.xml:

    • Progress - The module is needed for compilation. The module is used during runtime. Specification version 1.0 is required.
    • ProjectAPI - The module is needed for compilation. The module is used during runtime. Specification version 1.12 is required.
    • GeneralQueriesAPI - The module is needed for compilation. The module is used during runtime. Specification version 1.5 is required.
    • org.openide.awt - The module is needed for compilation. The module is used during runtime. Specification version 6.2 is required.
    • DialogsAPI - The module is needed for compilation. The module is used during runtime. Specification version 6.2 is required.
    • ExplorerAPI - The module is needed for compilation. The module is used during runtime. Specification version 6.8 is required.
    • FilesystemsAPI - The module is needed for compilation. The module is used during runtime. Specification version 6.2 is required.
    • LoadersAPI - The module is needed for compilation. The module is used during runtime.
    • NodesAPI - The module is needed for compilation. The module is used during runtime. Specification version 6.2 is required.
    • UtilitiesAPI - The module is needed for compilation. The module is used during runtime. Specification version 7.8 is required.

    Question (dep-non-nb): What other projects outside NetBeans does this one depend on?

    Answer:

    None.

    Question (dep-platform): On which platforms does your module run? Does it run in the same way on each?

    Answer:

    Any.

    Question (dep-jre): Which version of JRE do you need (1.2, 1.3, 1.4, etc.)?

    Answer:

    1.4+.

    Question (dep-jrejdk): Do you require the JDK or is the JRE enough?

    Answer:

    JRE.


Deployment

    Question (deploy-jar): Do you deploy just module JAR file(s) or other files as well?

    Answer:

    Just a JAR.

    Question (deploy-nbm): Can you deploy an NBM via the Update Center?

    Answer:

    Yes.

    Question (deploy-shared): Do you need to be installed in the shared location only, or in the user directory only, or can your module be installed anywhere?

    Answer:

    Anywhere.

    Question (deploy-packages): Are packages of your module made inaccessible by not declaring them public?

    Answer:

    Yes, only API and SPI packages are public.

    Question (deploy-dependencies): What do other modules need to do to declare a dependency on this one, in addition to or instead of the normal module dependency declaration (e.g. tokens to require)?

    Answer: Nothing.

Compatibility with environment

    Question (compat-i18n): Is your module correctly internationalized?

    Answer:

    Yes.

    Question (compat-standards): Does the module implement or define any standards? Is the implementation exact or does it deviate somehow?

    Answer:

    No.

    Question (compat-version): Can your module coexist with earlier and future versions of itself? Can you correctly read all old settings? Will future versions be able to read your current settings? Can you read or politely ignore settings stored by a future version?

    Answer:

    No settings.

    Question (compat-deprecation): How the introduction of your project influences functionality provided by previous version of the product?

    WARNING: Question with id="compat-deprecation" has not been answered!

Access to resources

    Question (resources-file): Does your module use java.io.File directly?

    Answer:

    Only to open projects on disk, since JFileChooser is needed.

    Question (resources-layer): Does your module provide own layer? Does it create any files or folders in it? What it is trying to communicate by that and with which components?

    Answer: RegisteredActions -

    Several project related actions are registered in the Actions folder in the layer. Product branding is intended to use those actions to build main menu, toolbars and shortcuts.

    • Actions/Project/org-netbeans-modules-project-ui-BuildMainProject.instance
    • Actions/Project/org-netbeans-modules-project-ui-CleanMainProject.instance
    • Actions/Project/org-netbeans-modules-project-ui-RebuildMainProject.instance
    • Actions/Project/org-netbeans-modules-project-ui-RunMainProject.instance
    • Actions/Project/org-netbeans-modules-project-ui-DebugMainProject.instance
    • Actions/Project/org-netbeans-modules-project-ui-TestProject.instance
    • Actions/Project/org-netbeans-modules-project-ui-BuildProject.instance
    • Actions/Project/org-netbeans-modules-project-ui-CleanProject.instance
    • Actions/Project/org-netbeans-modules-project-ui-RebuildProject.instance
    • Actions/Project/org-netbeans-modules-project-ui-RunProject.instance

    Question (resources-read): Does your module read any resources from layers? For what purpose?

    Answer: ProjectTemplates -

    New (or import) project wizards can be registered in a special folder Templates/Projects/.

    ProjectActions -

    Providers of generic project actions can register Action and JSeparator instances in a special folder Projects/Actions/. So if any module wishes to extend, hide or reorder some of them it can just register its actions there. Example:

        <folder name="Projects" >
            <folder name="Actions" >
                <file name="org-mymodule-MyAction.instance" >
                    <attr name="instanceCreate" stringvalue="org.mymodule.MyAction" />
                </file>
            </folder>
        </folder>
        
    Templates -

    File templates can be registered with various attributes, some specific to the project system.

    TemplatesLicenses -

    Under Templates/Licenses folder should be registered various license headers that can be imported by templates using scripting. The recommended format of filename is license-[licensename].txt e.g. license-cddl.txt.

    Question (resources-mask): Does your module mask/hide/override any resources provided by other modules in their layers?

    Answer:

    No.

    Question (resources-preferences): Does your module uses preferences via Preferences API? Does your module use NbPreferences or or regular JDK Preferences ? Does it read, write or both ? Does it share preferences with other modules ? If so, then why ?

    WARNING: Question with id="resources-preferences" has not been answered!

Lookup of components


Execution Environment

    Question (exec-property): Is execution of your code influenced by any environment or Java system (System.getProperty) property? On a similar note, is there something interesting that you pass to java.util.logging.Logger? Or do you observe what others log?

    Answer:

    No.

    Question (exec-component): Is execution of your code influenced by any (string) property of any of your components?

    Answer:

    The template creation API uses file attributes to decide which templates are appropriate for certain project types, and to find template wizards.

    Question (exec-ant-tasks): Do you define or register any ant tasks that other can use?

    Answer:

    No

    Question (exec-classloader): Does your code create its own class loader(s)?

    Answer:

    No.

    Question (exec-reflection): Does your code use Java Reflection to execute other code?

    Answer:

    No.

    Question (exec-privateaccess): Are you aware of any other parts of the system calling some of your methods by reflection?

    Answer:

    No.

    Question (exec-process): Do you execute an external process from your module? How do you ensure that the result is the same on different platforms? Do you parse output? Do you depend on result code?

    Answer:

    No.

    Question (exec-introspection): Does your module use any kind of runtime type information (instanceof, work with java.lang.Class, etc.)?

    Answer:

    No.

    Question (exec-threading): What threading models, if any, does your module adhere to? How the project behaves with respect to threading?

    Answer:

    Should all be in EQ (GUI).

    Question (security-policy): Does your functionality require modifications to the standard policy file?

    Answer:

    No.

    Question (security-grant): Does your code grant additional rights to some other code?

    Answer:

    No.


Format of files and protocols

    Question (format-types): Which protocols and file formats (if any) does your module read or write on disk, or transmit or receive over the network? Do you generate an ant build script? Can it be edited and modified?

    Answer:

    None.

    Question (format-dnd): Which protocols (if any) does your code understand during Drag & Drop?

    Answer:

    None.

    Question (format-clipboard): Which data flavors (if any) does your code read from or insert to the clipboard (by access to clipboard on means calling methods on java.awt.datatransfer.Transferable?

    Answer:

    None.


Performance and Scalability

    Question (perf-startup): Does your module run any code on startup?

    Answer:

    No.

    Question (perf-exit): Does your module run any code on exit?

    Answer:

    No.

    Question (perf-scale): Which external criteria influence the performance of your program (size of file in editor, number of files in menu, in source directory, etc.) and how well your code scales?

    Answer:

    None.

    Question (perf-limit): Are there any hard-coded or practical limits in the number or size of elements your code can handle?

    Answer:

    None known.

    Question (perf-mem): How much memory does your component consume? Estimate with a relation to the number of windows, etc.

    Answer:

    Trivial.

    Question (perf-wakeup): Does any piece of your code wake up periodically and do something even when the system is otherwise idle (no user interaction)?

    Answer:

    No.

    Question (perf-progress): Does your module execute any long-running tasks?

    Answer:

    No.

    Question (perf-huge_dialogs): Does your module contain any dialogs or wizards with a large number of GUI controls such as combo boxes, lists, trees, or text areas?

    Answer:

    No.

    Question (perf-menus): Does your module use dynamically updated context menus, or context-sensitive actions with complicated and slow enablement logic?

    Answer:

    No.

    Question (perf-spi): How the performance of the plugged in code will be enforced?

    Answer:

    No special provisions. GUI code must be fast.


Built on May 28 2007.  |  Portions Copyright 1997-2007 Sun Microsystems, Inc. All rights reserved.