platform/print/arch.xml

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<!DOCTYPE api-answers PUBLIC "-//NetBeans//DTD Arch Answers//EN" "../../nbbuild/antsrc/org/netbeans/nbbuild/Arch.dtd" [
<!ENTITY api-questions SYSTEM "../../nbbuild/antsrc/org/netbeans/nbbuild/Arch-api-questions.xml">]>

<api-answers question-version="1.29" author="yaroslavskiy@netbeans.org">
  &api-questions;

  <!--
  <question id="arch-overall" when="init">
      Describe the overall architecture.
      <hint>
      What will be API for
      <a href="http://openide.netbeans.org/tutorial/api-design.html#design.apiandspi">clients and what support API</a>? 
      What parts will be pluggable?
      How will plug-ins be registered? Please use <code>&lt;api type="export"/&gt;</code>
      to describe your general APIs.
      If possible please provide simple diagrams. 
      </hint>
  </question>
  -->
  <answer id="arch-overall">
  <p>
      <api group="java" name="PrintAPI" type="export" category="stable"></api>
      Provides print functionality.
  </p>
  </answer>

  <!--
  <question id="arch-quality" when="init">
      How will the <a href="http://www.netbeans.org/community/guidelines/q-evangelism.html">quality</a>
      of your code be tested and 
      how are future regressions going to be prevented?
      <hint>
      What kind of testing do you want to use? How much functionality, in which areas,
      should be covered by the tests? 
      </hint>
  </question>
  -->
  <answer id="arch-quality">
  <p>
      JUnut tests currently cover the areas of Print API.
  </p>
  </answer>

  <!--
  <question id="arch-time" when="init">
      What are the time estimates of the work?
      <hint>
      Please express your estimates of how long the design, implementation,
      stabilization are likely to last. How many people will be needed to
      implement this and what is the expected milestone by which the work should be 
      ready?
      </hint>
  </question>
  -->
  <answer id="arch-time">
  <p>
      The module has been implemented and a part of NetBeans release.
  </p>
  </answer>

  <!--
  <question id="arch-usecases" when="init">
      <hint>
          Content of this answer will be displayed as part of page at
          http://www.netbeans.org/download/dev/javadoc/usecases.html
          You can use tags &lt;usecase name="name&gt; regular html description &lt;/usecase&gt;
          and if you want to use an URL you can prefix if with @TOP@ to begin
          at the root of your javadoc
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      Describe the main <a href="http://openide.netbeans.org/tutorial/api-design.html#usecase">
      use cases</a> 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?
  </question>
  -->
  <answer id="arch-usecases">
      <p>The typical client of Print module can be any tool to print custom data.</p>

      <p>The simple way to enable printing for a custom data is:</p>

      <p>If the data is a Swing component which extends <code>javax.swing.JComponent</code>
      and shown in a <code>org.openide.windows.TopComponent</code>, the key "print.printable"
      (PrintManager.PRINT_PRINTABLE) with value <code>"Boolean.TRUE"</code>
      in the component must be set as a client property. See example:</p>

      <pre>
      public class MyComponent extends javax.swing.JComponent {
        public MyComponent() {
          ...
          putClientProperty("print.printable", Boolean.TRUE); // NOI18N
        }
        ...
      }</pre>
  </answer>

  <!--
  <question id="arch-what" when="init">
      What is this project good for?
      <hint>
      Please provide here a few lines describing the project, 
      what problem it should solve, provide links to documentation, 
      specifications, etc.
      </hint>
  </question>
  -->
  <answer id="arch-what">
  <p>
      Provides print functionality in NetBeans.
  </p>
  </answer>

  <!--
  <question id="arch-where" when="init">
      Where one can find sources for your module?
      <hint>
          Please provide link to the CVS web client at
          http://www.netbeans.org/download/source_browse.html
          or just use tag defaultanswer generate='here'
      </hint>
  </question>
  -->
  <answer id="arch-where">
      <defaultanswer generate='here'/>
  </answer>

  <!--
  <question id="compat-i18n" when="impl">
      Is your module correctly internationalized?
      <hint>
      Correct internationalization means that it obeys instructions 
      at <a href="http://www.netbeans.org/download/dev/javadoc/org-openide-modules/org/openide/modules/doc-files/i18n-branding.html">
      NetBeans I18N pages</a>.
      </hint>
  </question>
  -->
  <answer id="compat-i18n">
  <p>
      Yes.
  </p>
  </answer>

  <!--
  <question id="compat-standards" when="init">
      Does the module implement or define any standards? Is the 
      implementation exact or does it deviate somehow?
  </question>
  -->
  <answer id="compat-standards">
  <p>
      No, there are no standards for printing.
  </p>
  </answer>

  <!--
  <question id="compat-version" when="impl">
      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?
      
      <hint>
      Very helpful for reading settings is to store version number
      there, so future versions can decide whether how to read/convert
      the settings and older versions can ignore the new ones.
      </hint>
  </question>
  -->
  <answer id="compat-version">
  <p>
      Yes.
  </p>
  </answer>

  <!--
  <question id="dep-jre" when="final">
      Which version of JRE do you need (1.2, 1.3, 1.4, etc.)?
      <hint>
      It is expected that if your module runs on 1.x that it will run 
      on 1.x+1 if no, state that please. Also describe here cases where
      you run different code on different versions of JRE and why.
      </hint>
  </question>
  -->
  <answer id="dep-jre">
  <p>
      1.5
  </p>
  </answer>

  <!--
        <question id="dep-jrejdk" when="final">
            Do you require the JDK or is the JRE enough?
        </question>
  -->
 <answer id="dep-jrejdk">
  <p>
   Was not tested with JRE.
  </p>
 </answer>

  <!--
  <question id="dep-nb" when="init">
      What other NetBeans projects and modules does this one depend on?
      <hint>
      If you want, describe such projects as imported APIs using
      the <code>&lt;api name="identification" type="import or export" category="stable" url="where is the description" /&gt;</code>
      </hint>
  </question>
  -->
  <answer id="dep-nb">
      <defaultanswer generate='here'/>
  </answer>

  <!--
  <question id="dep-non-nb" when="init">
      What other projects outside NetBeans does this one depend on?
      
      <hint>
      Some non-NetBeans projects are packaged as NetBeans modules
      (see <a href="http://libs.netbeans.org/">libraries</a>) and
      it is preferred to use this approach when more modules may
      depend on such third-party library.
      </hint>
  </question>
  -->
  <answer id="dep-non-nb">
  <p>
      none
  </p>
  </answer>

  <!--
  <question id="dep-platform" when="init">
      On which platforms does your module run? Does it run in the same
      way on each?
      <hint>
      If your module is using JNI or deals with special differences of
      OSes like filesystems, etc. please describe here what they are.
      </hint>
  </question>
  -->
  <answer id="dep-platform">
  <p>
      100% pure Java
  </p>
  </answer>

  <answer id="deploy-dependencies">
  <p>
      Nothing.
  </p>
  </answer>

  <!--
  <question id="deploy-jar" when="impl">
      Do you deploy just module JAR file(s) or other files as well?
      <hint>
      Usually a module consist of one JAR file (perhaps with Class-Path
      extensions) and also a configuration file that enables it. If you
      have any other files, use
      &lt;api group="java.io.File" name="yourname" type="export" category="friend"&gt;...&lt;/api&gt;
      to define the location, name and stability of your files (of course
      changing "yourname" and "friend" to suit your needs).
      
      If it uses more than one JAR, describe where they are located, how
      they refer to each other. 
      If it consist of module JAR(s) and other files, please describe
      what is their purpose, why other files are necessary. Please 
      make sure that installation/uninstallation leaves the system 
      in state as it was before installation.
      </hint>
  </question>
  -->
  <answer id="deploy-jar">
  <p>
      Just the one module jar.
  </p>
  </answer>

  <!--
  <question id="deploy-nbm" when="impl">
      Can you deploy an NBM via the Update Center?
      <hint>
      If not why?
      </hint>
  </question>
  -->
  <answer id="deploy-nbm">
  <p>
      Yes.
  </p>
  </answer>

  <!--
  <question id="deploy-packages" when="init">
      Are packages of your module made inaccessible by not declaring them
      public?
      
      <hint>
      NetBeans module system allows restriction of access rights to
      public classes of your module from other modules. This prevents
      unwanted dependencies of others on your code and should be used
      whenever possible (<a href="http://www.netbeans.org/download/javadoc/OpenAPIs/org/openide/doc-files/upgrade.html#3.4-public-packages">
      public packages
      </a>). If you do not restrict access to your classes you are
      making it too easy for other people to misuse your implementation
      details, that is why you should have good reason for not 
      restricting package access.
      </hint>
  </question>
  -->
  <answer id="deploy-packages">
  <p>
      The module allows public access for org.netbeans.api/spi.print packages.
  </p>
  </answer>

  <!--
  <question id="deploy-shared" when="final">
      Do you need to be installed in the shared location only, or in the user directory only,
      or can your module be installed anywhere?
      <hint>
      Installation location shall not matter, if it does explain why.
      Consider also whether <code>InstalledFileLocator</code> can help.
      </hint>
  </question>
  -->
  <answer id="deploy-shared">
  <p>
      Can be anywhere.
  </p>
  </answer>

  <!--
  <question id="exec-ant-tasks" when="impl">
      Do you define or register any ant tasks that other can use?
      
      <hint>
      If you provide an ant task that users can use, you need to be very
      careful about its syntax and behaviour, as it most likely forms an
      API for end users and as there is a lot of end users, their reaction
      when such API gets broken can be pretty strong.
      </hint>
  </question>
  -->
  <answer id="exec-ant-tasks">
  <p>
     No.
  </p>
  </answer>

  <!--
  <question id="exec-classloader" when="impl">
      Does your code create its own class loader(s)?
      <hint>
      A bit unusual. Please explain why and what for.
      </hint>
  </question>
  -->
  <answer id="exec-classloader">
  <p>
      No.
  </p>
  </answer>

  <!--
  <question id="exec-component" when="impl">
      Is execution of your code influenced by any (string) property
      of any of your components?
      
      <hint>
      Often <code>JComponent.getClientProperty</code>, <code>Action.getValue</code>
      or <code>PropertyDescriptor.getValue</code>, etc. are used to influence
      a behavior of some code. This of course forms an interface that should
      be documented. Also if one depends on some interface that an object
      implements (<code>component instanceof Runnable</code>) that forms an
      API as well.
      </hint>
  </question>
  -->
  <answer id="exec-component">
  <p>
      No.
  </p>
  </answer>

  <!--
  <question id="exec-introspection" when="impl">
      Does your module use any kind of runtime type information (<code>instanceof</code>,
      work with <code>java.lang.Class</code>, etc.)?
      <hint>
      Check for cases when you have an object of type A and you also
      expect it to (possibly) be of type B and do some special action. That
      should be documented. The same applies on operations in meta-level
      (Class.isInstance(...), Class.isAssignableFrom(...), etc.).
      </hint>
  </question>
  -->
  <answer id="exec-introspection">
  <p>
      No.
  </p>
  </answer>

  <!--
  <question id="exec-privateaccess" when="final">
      Are you aware of any other parts of the system calling some of 
      your methods by reflection?
      <hint>
      If so, describe the "contract" as an API. Likely private or friend one, but
      still API and consider rewrite of it.
      </hint>
  </question>
  -->
  <answer id="exec-privateaccess">
  <p>
      No.
  </p>
  </answer>

  <!--
  <question id="exec-process" when="impl">
      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?
      <hint>
      If you feed an input, parse the output please declare that as an API.
      </hint>
  </question>
  -->
  <answer id="exec-process">
  <p>
      No.
  </p>
  </answer>

  <!--
  <question id="exec-property" when="impl">
      Is execution of your code influenced by any environment or
      Java system (<code>System.getProperty</code>) property?
      
      <hint>
      If there is a property that can change the behavior of your 
      code, somebody will likely use it. You should describe what it does 
      and the <a href="http://openide.netbeans.org/tutorial/api-design.html#life">stability category</a>
      of this API. You may use
      <pre>
          &lt;api type="export" group="property" name="id" category="private" url="http://..."&gt;
              description of the property, where it is used, what it influence, etc.
          &lt;/api&gt;            
      </pre>
      </hint>
  </question>
  -->
  <answer id="exec-property">
  <p>
      No.
  </p>
  </answer>

  <!--
  <question id="exec-reflection" when="impl">
      Does your code use Java Reflection to execute other code?
      <hint>
      This usually indicates a missing or insufficient API in the other
      part of the system. If the other side is not aware of your dependency
      this contract can be easily broken.
      </hint>
  </question>
  -->
  <answer id="exec-reflection">
  <p>
      No.
  </p>
  </answer>

  <!--
  <question id="exec-threading" when="impl">
      What threading models, if any, does your module adhere to?
      <hint>
          If your module calls foreign APIs which have a specific threading model,
          indicate how you comply with the requirements for multithreaded access
          (synchronization, mutexes, etc.) applicable to those APIs.
          If your module defines any APIs, or has complex internal structures
          that might be used from multiple threads, declare how you protect
          data against concurrent access, race conditions, deadlocks, etc.,
          and whether such rules are enforced by runtime warnings, errors, assertions, etc.
          Examples: a class might be non-thread-safe (like Java Collections); might
          be fully thread-safe (internal locking); might require access through a mutex
          (and may or may not automatically acquire that mutex on behalf of a client method);
          might be able to run only in the event queue; etc.
          Also describe when any events are fired: synchronously, asynchronously, etc.
          Ideas: <a href="http://core.netbeans.org/proposals/threading/index.html#recommendations">Threading Recommendations</a> (in progress)
      </hint>
  </question>
  -->
  <answer id="exec-threading">
  <p>
      Uses standard NetBeans threading conventions.
  </p>
  </answer>

  <!--
  <question id="format-clipboard" when="impl">
      Which data flavors (if any) does your code read from or insert to
      the clipboard (by access to clipboard on means calling methods on <code>java.awt.datatransfer.Transferable</code>?
      
      <hint>
      Often Node's deal with clipboard by usage of <code>Node.clipboardCopy, Node.clipboardCut and Node.pasteTypes</code>.
      Check your code for overriding these methods.
      </hint>
  </question>
  -->
  <answer id="format-clipboard">
  <p>
      No.
  </p>
  </answer>

  <!--
  <question id="format-dnd" when="impl">
      Which protocols (if any) does your code understand during Drag &amp; Drop?
      <hint>
      Often Node's deal with clipboard by usage of <code>Node.drag, Node.getDropType</code>. 
      Check your code for overriding these methods. Btw. if they are not overridden, they
      by default delegate to <code>Node.clipboardCopy, Node.clipboardCut and Node.pasteTypes</code>.
      </hint>
  </question>
  -->
  <answer id="format-dnd">
  <p>
      No.
  </p>
  </answer>

  <!--
  <question id="format-types" when="impl">
      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? 
      
      <hint>
      <p>
      Files can be read and written by other programs, modules and users. If they influence
      your behaviour, make sure you either document the format or claim that it is a private
      api (using the &lt;api&gt; tag). 
      </p>
      
      <p>
      If you generate an ant build file, this is very likely going to be seen by end users and
      they will be attempted to edit it. You should be ready for that and provide here a link
      to documentation that you have for such purposes and also describe how you are going to
      understand such files during next release, when you (very likely) slightly change the 
      format.
      </p>
      </hint>
  </question>
  -->
  <answer id="format-types">
  <p>
      No formats.
  </p>
  </answer>

  <!--
  <question id="lookup-lookup" when="init">
      Does your module use <code>org.openide.util.Lookup</code>
      or any similar technology to find any components to communicate with? Which ones?
      
      <hint>
      Please describe the interfaces you are searching for, where 
      are defined, whether you are searching for just one or more of them,
      if the order is important, etc. Also classify the stability of such
      API contract. For that use &lt;api group=&amp;lookup&amp; /&gt; tag.
      </hint>
  </question>
  -->
  <answer id="lookup-lookup">
  <p>
      Yes, uses lookup for communication with node, data object, top component
      to obtain print provider.
  </p>
  </answer>

  <!--
  <question id="lookup-register" when="final">
      Do you register anything into lookup for other code to find?
      <hint>
      Do you register using layer file or using <code>META-INF/services</code>?
      Who is supposed to find your component?
      </hint>
  </question>
  -->
  <answer id="lookup-register">
  <p>
      No.
  </p>
  </answer>

  <!--
  <question id="lookup-remove" when="final">
      Do you remove entries of other modules from lookup?
      <hint>
      Why? Of course, that is possible, but it can be dangerous. Is the module
      your are masking resource from aware of what you are doing?
      </hint>
  </question>
  -->
  <answer id="lookup-remove">
  <p>
      No.
  </p>
  </answer>

  <!--
  <question id="perf-exit" when="final">
      Does your module run any code on exit?
  </question>
  -->
  <answer id="perf-exit">
  <p>
      No.
  </p>
  </answer>

  <!--
  <question id="perf-huge_dialogs" when="final">
      Does your module contain any dialogs or wizards with a large number of
      GUI controls such as combo boxes, lists, trees, or text areas?
  </question>
  -->
  <answer id="perf-huge_dialogs">
  <p>
      Yes.
  </p>
  </answer>

  <!--
  <question id="perf-limit" when="init">
      Are there any hard-coded or practical limits in the number or size of
      elements your code can handle?
  </question>
  -->
  <answer id="perf-limit">
  <p>
      There are no hard coded limits.
  </p>
  </answer>

  <!--
  <question id="perf-mem" when="final">
      How much memory does your component consume? Estimate
      with a relation to the number of windows, etc.
  </question>
  -->
  <answer id="perf-mem">
  <p>
      Unknown. Probably not too much.
  </p>
  </answer>

  <!--
  <question id="perf-menus" when="final">
      Does your module use dynamically updated context menus, or
      context-sensitive actions with complicated and slow enablement logic?
      <hint>
          If you do a lot of tricks when adding actions to regular or context menus, you can significantly
          slow down display of the menu, even when the user is not using your action. Pay attention to
          actions you add to the main menu bar, and to context menus of foreign nodes or components. If
          the action is conditionally enabled, or changes its display dynamically, you need to check the
          impact on performance. In some cases it may be more appropriate to make a simple action that is
          always enabled but does more detailed checks in a dialog if it is actually run.
      </hint>
  </question>
  -->
  <answer id="perf-menus">
  <p>
      Yes.
  </p>
  </answer>

  <!--
  <question id="perf-progress" when="final">
      Does your module execute any long-running tasks?
      
      <hint>Long running tasks should never block 
      AWT thread as it badly hurts the UI
      <a href="http://performance.netbeans.org/responsiveness/issues.html">
      responsiveness</a>.
      Tasks like connecting over
      network, computing huge amount of data, compilation
      be done asynchronously (for example
      using <code>RequestProcessor</code>), definitively it should 
      not block AWT thread.
      </hint>
  </question>
  -->
  <answer id="perf-progress">
  <p>
      No.
  </p>
  </answer>

  <!--
  <question id="perf-scale" when="init">
      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?
      <hint>
      Please include some estimates, there are other more detailed 
      questions to answer in later phases of implementation. 
      </hint>
  </question>
  -->
  <answer id="perf-scale">
  <p>
      The size of source.
  </p>
  </answer>

  <!--
  <question id="perf-spi" when="init">
      How the performance of the plugged in code will be enforced?
      <hint>
      If you allow foreign code to be plugged into your own module, how
      do you enforce that it will behave correctly and quickly and will not
      negatively influence the performance of your own module?
      </hint>
  </question>
  -->
  <answer id="perf-spi">
  <p>
      There are no special provisions to enforce this.
  </p>
  </answer>

  <!--
  <question id="perf-startup" when="final">
      Does your module run any code on startup?
  </question>
  -->
  <answer id="perf-startup">
  <p>
      No.
  </p>
  </answer>

  <!--
  <question id="perf-wakeup" when="final">
      Does any piece of your code wake up periodically and do something
      even when the system is otherwise idle (no user interaction)?
  </question>
  -->
  <answer id="perf-wakeup">
  <p>
      No.
  </p>
  </answer>

  <!--
  <question id="resources-file" when="final">
      Does your module use <code>java.io.File</code> directly?
      
      <hint>
      NetBeans provide a logical wrapper over plain files called 
      <code>org.openide.filesystems.FileObject</code> that
      provides uniform access to such resources and is the preferred
      way that should be used. But of course there can be situations when
      this is not suitable.
      </hint>
  </question>
  -->
  <answer id="resources-file">
  <p>
      No.
  </p>
  </answer>

  <!--
  <question id="resources-layer" when="final">
      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?
      
      <hint>
      NetBeans allows automatic and declarative installation of resources 
      by module layers. Module register files into appropriate places
      and other components use that information to perform their task
      (build menu, toolbar, window layout, list of templates, set of
      options, etc.). 
      </hint>
  </question>
  -->
  <answer id="resources-layer">
  <p>
      No.
  </p>
  </answer>

  <!--
  <question id="resources-mask" when="final">
      Does your module mask/hide/override any resources provided by other modules in
      their layers?
      
      <hint>
      If you mask a file provided by another module, you probably depend
      on that and do not want the other module to (for example) change
      the file's name. That module shall thus make that file available as an API
      of some stability category.
      </hint>
  </question>
  -->
  <answer id="resources-mask">
  <p>
      Hides org-openide-actions-PrintAction and overrides org-openide-actions-PageSetupAction.
  </p>
  </answer>

  <!--
   <question id="resources-read" when="final">
       Does your module read any resources from layers? For what purpose?
       
       <hint>
       As this is some kind of intermodule dependency, it is a kind of API.
       Please describe it and classify according to 
       <a href="http://openide.netbeans.org/tutorial/api-design.html#categories">
       common stability categories</a>.
       </hint>
   </question>
  -->
  <answer id="resources-read">
  <p>
      No.
  </p>
  </answer>

  <!--
  <question id="security-grant" when="final">
      Does your code grant additional rights to some other code?
      <hint>Avoid using a class loader that adds extra
      permissions to loaded code unless really necessary.
      Also note that your API implementation
      can also expose unneeded permissions to enemy code by
      calling AccessController.doPrivileged().</hint>
  </question>
  -->
  <answer id="security-grant">
  <p>
      No.
  </p>
  </answer>

  <!--
  <question id="security-policy" when="final">
      Does your functionality require modifications to the standard policy file?
      <hint>Your code might pass control to third-party code not
      coming from trusted domains. This could be code downloaded over the
      network or code coming from libraries that are not bundled
      with NetBeans. Which permissions need to be granted to which domains?</hint>
  </question>
  -->
  <answer id="security-policy">
  <p>
      No.
  </p>
 </answer>

  <!--
  <question id="compat-deprecation" when="init">
      How the introduction of your project influences functionality
      provided by previous version of the product?
      <hint>
      If you are planning to deprecate/remove/change any existing APIs,
      list them here accompanied with the reason explaining why you
      are doing so.
      </hint>
  </question>
  -->
  <answer id="compat-deprecation">
  <p>
     The module does not deprecate any existing APIs.
  </p>
  </answer>

  <!--
  <question id="resources-preferences" when="final">
      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 ?
      <hint>
          You may use
              &lt;api type="export" group="preferences"
              name="preference node name" category="private"&gt;
              description of individual keys, where it is used, what it
              influences, whether the module reads/write it, etc.
              &lt;/api&gt;
          Due to XML ID restrictions, rather than /org/netbeans/modules/foo give the "name" as org.netbeans.modules.foo.
          Note that if you use NbPreferences this name will then be the same as the code name base of the module.
      </hint>
  </question>
  -->
  <answer id="resources-preferences">
  <p>
     Yes, print module uses Preferences API to read/write print options.
  </p>
  </answer>
</api-answers>