|  | <?xml version="1.0" encoding="UTF-8"?> | 
|  | <!-- | 
|  |  | 
|  | Licensed to the Apache Software Foundation (ASF) under one | 
|  | or more contributor license agreements.  See the NOTICE file | 
|  | distributed with this work for additional information | 
|  | regarding copyright ownership.  The ASF licenses this file | 
|  | to you under the Apache License, Version 2.0 (the | 
|  | "License"); you may not use this file except in compliance | 
|  | with the License.  You may obtain a copy of the License at | 
|  |  | 
|  | http://www.apache.org/licenses/LICENSE-2.0 | 
|  |  | 
|  | Unless required by applicable law or agreed to in writing, | 
|  | software distributed under the License is distributed on an | 
|  | "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY | 
|  | KIND, either express or implied.  See the License for the | 
|  | specific language governing permissions and limitations | 
|  | under the License. | 
|  |  | 
|  | --> | 
|  | <!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="1.24" | 
|  | author="jglick@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><api type="export"/></code> | 
|  | to describe your general APIs. | 
|  | If possible please provide | 
|  | simple diagrams. | 
|  | </hint> | 
|  | </question> | 
|  | --> | 
|  | <answer id="arch-overall"> | 
|  | <p> | 
|  | Provides implementations of the Java platform SPI and the project library SPI. | 
|  | </p> | 
|  | <p> | 
|  | <api category="official" group="java" name="J2SEPlatformCreator" type="export" url="@TOP@/org/netbeans/modules/java/j2seplatform/api/J2SEPlatformCreator.html"> | 
|  | API to register a JDK | 
|  | </api> | 
|  | and these | 
|  | <api category="official" group="java" name="SPI" type="export" url="@TOP@/org/netbeans/modules/java/j2seplatform/spi/package-summary.html"> | 
|  | (service provide interfaces) for JDK sources and JavaDoc | 
|  | </api>. | 
|  | </p> | 
|  | <p> | 
|  | Defines some formats: | 
|  | </p> | 
|  | <ul> | 
|  | <li> | 
|  | <api group="dtd" name="platformdefinition.dtd" type="export" category="official" url="http://www.netbeans.org/dtds/java-platformdefinition-1_0.dtd"> | 
|  | <p> | 
|  | Definition of XML format for J2SE platform type (i.e. a JDK). | 
|  | </p> | 
|  | </api> | 
|  | </li> | 
|  | <li> | 
|  | <api group="dtd" name="library-volume-types" type="export" category="official"> | 
|  | <p> | 
|  | The library type provider defines three volume types: | 
|  | </p> | 
|  | <ol> | 
|  | <li> | 
|  | <code>classpath</code> | 
|  | </li> | 
|  | <li> | 
|  | <code>src</code> | 
|  | </li> | 
|  | <li> | 
|  | <code>javadoc</code> | 
|  | </li> | 
|  | <li> | 
|  | <code>maven-pom</code> - Added for 6.0 beta1 to allow maven projects to recognize the library content. | 
|  | </li> | 
|  | </ol> | 
|  | <p> | 
|  | The actual definition of the XML syntax is controlled by the Project | 
|  | Libraries API. | 
|  | </p> | 
|  | </api> | 
|  | </li> | 
|  | </ul> | 
|  | </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> | 
|  | There is some unit test coverage. | 
|  | </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> | 
|  | Essentially done. | 
|  | </p> | 
|  | </answer> | 
|  |  | 
|  |  | 
|  |  | 
|  | <!-- | 
|  | <question id="arch-usecases" when="init"> | 
|  | 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 UI specifications describe the module in proper context. | 
|  | </p> | 
|  | </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> | 
|  | Defines the Java platform type for J2SE (plain JDKs), and the plain Java | 
|  | library type. UI specifications: | 
|  | </p> | 
|  | <ol> | 
|  | <li> | 
|  | <p> | 
|  | J2SE-specific portion of <a | 
|  | href="http://projects.netbeans.org/buildsys/j2se-project-ui-spec.html#Dialog_Java_Platform_Manager">Java | 
|  | Platform Manager</a>. | 
|  | </p> | 
|  | </li> | 
|  | <li> | 
|  | <p> | 
|  | Class-library-specific portion of <a | 
|  | href="http://projects.netbeans.org/buildsys/j2se-project-ui-spec.html#Dialog_Library_Manager">Library | 
|  | Manager</a>. | 
|  | </p> | 
|  | </li> | 
|  | </ol> | 
|  | </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. | 
|  | </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> | 
|  | The Java platform type uses a versioned XML DTD. | 
|  | </p> | 
|  | <p> | 
|  | There is no versioning information in the class library definition (beyond | 
|  | what the Project Libraries module provides). However there are only three | 
|  | defined volume types currently, and if more need to be added, they could be, | 
|  | or existing volume types could be ignored. The current code would not be able | 
|  | to ignore volume types added in the future, however. | 
|  | </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> | 
|  | 1.4+. (But the Java platform definitions could be of any JDK version.) | 
|  | </p> | 
|  | </answer> | 
|  |  | 
|  |  | 
|  |  | 
|  | <!-- | 
|  | <question id="dep-jrejdk" when="final"> | 
|  | Do you require the JDK or is the JRE enough? | 
|  | </question> | 
|  | --> | 
|  | <answer id="dep-jrejdk"> | 
|  | <p> | 
|  | JRE. (The Java platform definitions may be of the JDK or 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><api name="identification" type="import or export" category="stable" url="where is the description" /></code> | 
|  | </hint> | 
|  | </question> | 
|  | --> | 
|  | <answer id="dep-nb"> | 
|  | <ul> | 
|  | <li> | 
|  | <api group="java" name="JavaSupportAPIs" type="import" category="official"> | 
|  | <p> | 
|  | Used to define classpath, etc. | 
|  | </p> | 
|  | </api> | 
|  | </li> | 
|  | <li> | 
|  | <api group="java" name="ProjectLibrariesAPI" type="import" category="devel"> | 
|  | <p> | 
|  | Implements this SPI. | 
|  | </p> | 
|  | </api> | 
|  | </li> | 
|  | <li> | 
|  | <api group="java" name="JavaPlatformAPI" type="import" category="devel"> | 
|  | <p> | 
|  | Implements this SPI. | 
|  | </p> | 
|  | </api> | 
|  | </li> | 
|  | <li> | 
|  | <api group="java" name="AntProjectAPI" type="import" category="devel"> | 
|  | <p> | 
|  | Used to update <samp>${netbeans.user}/build.properties</samp> with the | 
|  | current list of libraries and platforms. | 
|  | </p> | 
|  | </api> | 
|  | </li> | 
|  | <li> | 
|  | <api group="java" name="ProjectAPI" type="import" category="devel"> | 
|  | <p> | 
|  | Just used for <code>ProjectManager.mutex()</code>. | 
|  | </p> | 
|  | </api> | 
|  | </li> | 
|  | <li> | 
|  | <api group="java" name="Datasystems" type="import" category="official"> | 
|  | <p> | 
|  | Used for settings storage. | 
|  | </p> | 
|  | </api> | 
|  | </li> | 
|  | <li> | 
|  | <api group="java" name="Filesystems" type="import" category="official"> | 
|  | <p> | 
|  | Used for various purposes. | 
|  | </p> | 
|  | </api> | 
|  | </li> | 
|  | <li> | 
|  | <api group="java" name="Wizards" type="import" category="official"> | 
|  | <p> | 
|  | Implementation of the J2SE platform autodetection wizard. | 
|  | </p> | 
|  | </api> | 
|  | </li> | 
|  | </ul> | 
|  |  | 
|  | <api name="org.netbeans.modules.java.j2seplatform.api.API_Ask_attachSourcesQuestion" group="branding" type="export" category="stable"> | 
|  | <p> | 
|  | Controls interaction when <b>sources</b> are about to be attached to a Classpath root, in | 
|  | <a href="@org-netbeans-api-java@/org/netbeans/spi/java/queries/SourceJavadocAttacherImplementation.html">SourceJavadocAttacherImplementation</a> | 
|  | provided by this module. By setting <code>API_Ask_attachSourcesQuestion</code> key in | 
|  | <code>org/netbeans/modules/java/j2seplatform/api/Bundle.properties</code> one can control the function: | 
|  | </p> | 
|  | <ul> | 
|  | <li> | 
|  | <b>no</b> will disable the attachers. No source/javadoc will be attached, and no user interaction will be started. | 
|  | </li> | 
|  | <li> | 
|  | <b>yes</b> will permit the registered <a href="@org-netbeans-api-java@/org/netbeans/spi/java/queries/SourceJavadocAttacherImplementation#Definer.html"> | 
|  | SourceJavadocAttacherImplementation.Definer</a> to attach an appropriate resource(s). <b>User interaction will be skipped</b> | 
|  | </li> | 
|  | <li> | 
|  | <b>ask</b> (the default) will ask the user to supply the resources. | 
|  | </li> | 
|  | </ul> | 
|  | <p> | 
|  | The key can be set by a branding file in your application build. | 
|  | </p> | 
|  | </api> | 
|  | <api name="org.netbeans.modules.java.j2seplatform.api.API_Ask_attachJavadocQuestion" group="branding" type="export" category="stable"> | 
|  | <p> | 
|  | Controls interaction when <b>javadocs</b> are about to be attached to a Classpath root, in | 
|  | <a href="@org-netbeans-api-java@/org/netbeans/spi/java/queries/SourceJavadocAttacherImplementation.html">SourceJavadocAttacherImplementation</a> | 
|  | provided by this module. By setting <code>API_Ask_attachJavadocQuestion</code> key in | 
|  | <code>org/netbeans/modules/java/j2seplatform/api/Bundle.properties</code> one can control the function: | 
|  | </p> | 
|  | <ul> | 
|  | <li> | 
|  | <b>no</b> will disable the attachers. No source/javadoc will be attached, and no user interaction will be started. | 
|  | </li> | 
|  | <li> | 
|  | <b>yes</b> will permit the registered <a href="@org-netbeans-api-java@/org/netbeans/spi/java/queries/SourceJavadocAttacherImplementation#Definer.html"> | 
|  | SourceJavadocAttacherImplementation.Definer</a> to attach an appropriate resource(s). <b>User interaction will be skipped</b> | 
|  | </li> | 
|  | <li> | 
|  | <b>ask</b> (the default) will ask the user to supply the resources. | 
|  | </li> | 
|  | </ul> | 
|  | <p> | 
|  | The key can be set by a branding file in your application build. | 
|  | </p> | 
|  | </api> | 
|  | </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> | 
|  | Any. However some heuristics are used to find commands which are part of | 
|  | target VMs, such as the <code>java</code> launcher, or <code>javac</code>; | 
|  | normally they are searched for in the <code>bin</code> subdirectory, appending | 
|  | <code>.exe</code> on Windows, but the search locations are different on Mac OS | 
|  | X. Support for more exotic platforms would require patches to locate specific | 
|  | tools; there is no general specification for where to find JDK/JRE commands on | 
|  | different platforms or using VMs from different vendors. | 
|  | </p> | 
|  | </answer> | 
|  |  | 
|  |  | 
|  |  | 
|  | <answer id="deploy-dependencies"> | 
|  | <p> | 
|  | N/A | 
|  | </p> | 
|  | </answer> | 
|  |  | 
|  |  | 
|  |  | 
|  | <!-- | 
|  | <question id="deploy-jar" when="impl"> | 
|  | Do you deploy just module JAR file(s) or other files as well? | 
|  | <hint> | 
|  | If your module consists of just one module JAR file, just confirm that. | 
|  | 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> | 
|  | Module JAR, plus a “probe JAR” used to retrieve system properties | 
|  | from a target JDK. | 
|  | </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> | 
|  | Only API and SPI packages are exported. | 
|  | </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> | 
|  | Anywhere. | 
|  | </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> | 
|  | The <code>java.util.Map</code> returned by the <code>J2SEPlatformImpl.getProperties()</code> contains | 
|  | property <code>platform.ant.name</code> holding the name of the platform used by build scripts. | 
|  | </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> | 
|  | The J2SE platform wizard runs an autodetect probe to find the version number, | 
|  | system properties, and other information about a target VM. This is a simple | 
|  | prebuilt Java program run against the <code>java</code> launcher of the target | 
|  | VM. No I/O streams are used; the probe writes all information to a named | 
|  | properties file and exits. (The exit code is checked.) | 
|  | </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> | 
|  | <api type="export" group="property" name="id" category="private" url="http://..."> | 
|  | description of the property, where it is used, what it influence, etc. | 
|  | </api> | 
|  | </pre> | 
|  | </hint> | 
|  | </question> | 
|  | --> | 
|  | <answer id="exec-property"> | 
|  | <p> | 
|  | No, although system properties of a target J2SE VM are recorded. | 
|  | </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> | 
|  | TBD | 
|  | </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> | 
|  | None. | 
|  | </p> | 
|  | </answer> | 
|  |  | 
|  |  | 
|  |  | 
|  | <!-- | 
|  | <question id="format-dnd" when="impl"> | 
|  | Which protocols (if any) does your code understand during Drag & 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> | 
|  | None. | 
|  | </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? | 
|  | </question> | 
|  | --> | 
|  | <answer id="format-types"> | 
|  | <p> | 
|  | Platform and library definitions, as mentioned in <a | 
|  | href="#answer-arch-overall">Overall Architecture</a>. | 
|  | </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 <api group=&lookup& /> tag. | 
|  | </hint> | 
|  | </question> | 
|  | --> | 
|  | <answer id="lookup-lookup"> | 
|  | <p> | 
|  | The J2SE platform customizer lookups <code>java.beans.Customizer</code> instances | 
|  | registered in the <code>org-netbeans-api-java/platform/j2seplatform/customizers/</code> | 
|  | folder on the system file system. These instances are added as additional tabs into the | 
|  | J2SE platform customizer. | 
|  | </p> | 
|  | <p> | 
|  | The J2SE platform consults instances of the <code>J2SEPlatformDefaultJavadoc</code> | 
|  | registered in the <code>org-netbeans-api-java/platform/j2seplatform/defaultJavadocProviders/</code> | 
|  | folder to suggest Javadoc roots when there are no Javadoc roots explicitly attached by an user. | 
|  | </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> | 
|  | Platform and library type definitions are registered, as are a number of | 
|  | queries relating to platforms and libraries. | 
|  | A default classpath provider is registered for Java sources which otherwise | 
|  | lack any specific classpath information. | 
|  | </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> | 
|  | Nothing particularly big. | 
|  | </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> | 
|  | None known. | 
|  | </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> | 
|  | Never measured; probably small. | 
|  | </p> | 
|  | </answer> | 
|  |  | 
|  |  | 
|  |  | 
|  | <!-- | 
|  | <question id="perf-menus" when="final"> | 
|  | Does your module use dynamically updated context menus, or | 
|  | context-sensitive actions with complicated enablement logic? | 
|  | </question> | 
|  | --> | 
|  | <answer id="perf-menus"> | 
|  | <p> | 
|  | No. | 
|  | </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> | 
|  | The platform probe can take a couple of seconds; invoked between wizard steps. | 
|  | </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> | 
|  | Unknown. | 
|  | </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> | 
|  | N/A | 
|  | </p> | 
|  | </answer> | 
|  |  | 
|  |  | 
|  |  | 
|  | <!-- | 
|  | <question id="perf-startup" when="final"> | 
|  | Does your module run any code on startup? | 
|  | </question> | 
|  | --> | 
|  | <answer id="perf-startup"> | 
|  | <p> | 
|  | Yes, some information about registered platforms and libraries is mirrored to | 
|  | <code>${netbeans.user}/build.properties</code> for use from Ant. | 
|  | </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> | 
|  | Yes, necessary in several contexts. | 
|  | </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> | 
|  | Yes, just registration of items required by implemented SPIs. | 
|  | </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> | 
|  | No. | 
|  | </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> | 
|  |  | 
|  | </api-answers> |