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<!-- 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/antsr <!ENTITY api-questions SYSTEM "../../nbbuild/antsrc/org/netbeans/nbbuild/Arch-api-qu ]> <api-answers question-version="1.25" author="jtulach@netbeans.org" > &api-questions; <answer id="arch-overall"> <p> This module contains general classes needed in NetBeans, extensions to basic JRE contepts, useful methods and other <api group="java" name="UtilitiesAPI" category="official" type="export" url="@TOP@/org classes. </p> </answer> <answer id="arch-quality"> <p> There is a lot of unit tests in <a href="https://github.com/apache/netbeans/tree/master/platform/openide.util/test system. </p> </answer> <answer id="arch-time"> <p> The module has been around since 1997 and is still improved from time to time. Support for HiDPI screens and SVG image loading was added in 2019. </p> </answer> <answer id="arch-usecases"> <usecase id="logging" name="How shall I do or influence logging in NetBeans?"> <p> If you are interested in logging from inside your module, or in writing your own log handler or in configuring the whole system, then best place to start is the <a href="@TOP@/org/openide/util/doc-files/logging.html">NetBeans logging </p> </usecase> </answer> <answer id="arch-what"> <p> Described in the <a href="@TOP@/architecture-summary.html#answer-arch-overall">overall< </p> </answer> <answer id="compat-i18n"> <p> There is not much things to localize in this module, so it is properly localized. But it is good to note that the module adds <api name="BrandingSupport" category="official" gr which is similar to localization but also supports changes of resorces for application build on top of NetBeans. This is handled by our class <a href="@org-openide-util@/org/openide/util/NbBundle.html">NbBundle</a> which reimplements the JDK's standard ResourceBundle to to take branding into the consideration. </api>. </p> </answer> <answer id="compat-version"> <p> This module has no settings. </p> </answer> <answer id="dep-jre"> <p> Currently JRE 1.4 is needed. </p> </answer> <answer id="dep-jrejdk"> <p> JRE is enough. </p> </answer> <answer id="dep-nb"> <p> This module is independent of other NetBeans modules and can be used independently. For better interaction with UI parts of NetBeans it however indirectly communicates with <a href="@org-openide-awt@/overview-summary.html">UI Utili module using <api name="DefaultAWTBridge" category="private" group="java" type="export" url="https://github.com/apache/netbeans/tree/master/platform/openide.awt/src/org a class that is looked up in <a href="@org-openide-util-lookup@/org/openide/util/Lookup.h and if registered can provide better UI elements for <a href="@JDK@@JDKMODULE_JAVA_DESKTOP@ </api> </p> <p>Support for SVG image loading can be enabled by including the optional <!-- <a href="@org-openide-util-ui-svg@/overview-summary.html"> --> SVG Loader <!-- </a> --> modu </p> </answer> <answer id="dep-non-nb"> <p> Reexports XML APIs so needs some XML parser implementation, but as one is provided in any 1.4 java, it in fact has no dependencies except on JRE. </p> </answer> <answer id="dep-platform"> <p> Platform independent. </p> </answer> <answer id="deploy-dependencies"> <p> Nothing. </p> </answer> <answer id="deploy-jar"> <p> <api category="devel" group="java.io.File" name="FileLocation" type="export" > the JAR file is located in platform cluster under <code>lib/org-openide-util.jar</code> </api>. </p> </answer> <answer id="deploy-nbm"> <p> No reason to not deploy nbm. </p> </answer> <answer id="deploy-packages"> <p> Yes, public packages declared. </p> </answer> <answer id="deploy-shared"> <p> Module is on real java classpath and as such it has to be in the shared directory. </p> </answer> <answer id="exec-ant-tasks"> <p> No. </p> </answer> <answer id="exec-classloader"> <p> No, we do not create own classloader. </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"> <ul> <li><api name="HelpID" category="standard" group="property" type="export" url="@TOP@/org read from <a href="@JDK@@JDKMODULE_JAVA_DESKTOP@/javax/swing/JComponent.html">JCompon to simulate the standard javahelp behaviour and extract the help id for given component. </api> </li> <li><api name="iconBase" category="standard" group="property" type="import" > <a href="@TOP@/org/openide/util/actions/SystemAction.html">SystemAction</a> reacts to expected requests from <a href="@org-openide-awt@/overview-summary.html">UI Uti module for <code>iconBase</code> property by returning value based on its result of its <code>iconResource()</code> method. </api> </li> <li> <api name="org.openide.util.SharedClassObject.initialize" category="private" group=" For purposes of <code>SystemOption</code> the <a href="@TOP@/org/openide/util/SharedClassObject.html">SharedClassObject</a> handles <code>getProperty ("org.openide.util.SharedClassObject.initialize")</code> in a special way, by returning <code>null</code> if initialization is not running and <code>Boolean.TRUE</code> if it is. </api> </li> <li><api name="OpenIDE-Transmodal-Action" category="devel" group="property" type="expor <a href="@TOP@/org/openide/util/actions/CallbackSystemAction.html">CallbackSystemAc checks whether <code>action.getValue("OpenIDE-Transmodal-Action")</code> returns <code>Boolean.TRUE</code> to enable it in dialogs, otherwise the action is disabled when there is an open dialog. </api> </li> </ul> </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> <a href="@TOP@/org/openide/util/Utilities.html">Utilities</a> provide wrapper for java beans introspection. <api category="private" group="java" name="ParserFactory" t The <a href="@org-openide-util@/org/openide/xml/XMLUtil.html">XMLUtil</a> class is loadin a class from <code>core/core.jar</code> to initialize the correct parser factory. This is a fix for <a href="https://bz.apache.org/netbeans/show_bug.cgi?id=68942">issue 68 </api> </p> </answer> <answer id="exec-privateaccess"> <p> No. </p> </answer> <answer id="exec-process"> <p> No external processes executed. </p> </answer> <answer id="exec-property"> <ul> <li> <api type="export" group="property" name="url" category="private">Images loaded by <a href= defines <code>"url"</code> image property for the loaded image. </api> </li> </ul> <!-- <ul> <li><api type="export" group="systemproperty" name="netbeans.screen.insets" category="p Influences results of Utilities.getUsableScreenBounds</api>.</li> <li><api type="export" group="systemproperty" name="netbeans.taskbar.height" category=" Influences results of Utilities.getUsableScreenBounds</api>.</li> <li> <api type='import' group="systemproperty" name="line.separator" category="standard" > used on few places </api>. </li> <li><api type="export" group="systemproperty" name="org.openide.util.RequestProcessor. Specifies the time in ms unused <a href="@org-openide-util@/org/openide/util/RequestProc processor threads remain around, until they get GCed. By default 60s. Primarily used from tests.</api></li> </ul>--> </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> <api category="devel" group="java" name="SharedClassObject.setAccessible" type="expor used to instantiate subclasses. </api>. <api category="devel" group="java" name="WeakListener.setAccessible" type="export" url used to call the remove method using reflection </api>. <api category="private" group="lookup" name="ActionManagerInvocation" type="export" > because of the API separation, <a href="@TOP@/org/openide/util/actions/CallableSystemAc provided by <code>org-openide-actions</code> module when looking for <a href="@org-openide-actions@/org/openide/actions/ActionManager.htm </api>. </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#recommendat </hint> </question> --> <answer id="exec-threading"> <p> XXX no answer for exec-threading </p> </answer> <answer id="format-clipboard"> <p> <a href="@TOP@/org/openide/util/datatransfer/MultiTransferObject.html">MultiTransfe used in <a href="@JDK@@JDKMODULE_JAVA_DATATRANSFER@/java/awt/datatransfer/Transferab composed of multiple independent <a href="@JDK@@JDKMODULE_JAVA_DATATRANSFER@/java/awt/datatransfer/Transferable.htm </p> </answer> <answer id="format-dnd"> <p> The same as for clipboard. </p> </answer> <answer id="format-types"> <p> <!-- The <a href="http://java.sun.com/j2se/1.3/docs/guide/jar/jar.html#Provider%20Con <api name="TranslateNames" category="official" type="export" group="java.io.File" url="@TOP@/org/openide/util/Utilities.html#translate(java.lang.String)"> <a href="@TOP@/org/openide/util/Utilities.html#translate(java.lang.String)">Utiliti reads <code>META-INF/netbeans/translate.names</code> files from JARs</api>.--> </p> </answer> <answer id="lookup-lookup"> <ul> <li><api name="LookupSharedClassObject" category="devel" group="lookup" type="export"> singleton subclasses of <a href="@TOP@/org/openide/util/SharedClassObject.html">Shared are searched for using Lookup. </api>.</li> <li><api name="LookupContextGlobalProvider" category="stable" group="lookup" type="expo <a href="@TOP@/org/openide/util/Utilities.html#actionsGlobalContext()">actionsGloba searches for <a href="@TOP@/org/openide/util/ContextGlobalProvider.html">ContextGloba <a href="@org-openide-util-lookup@/org/openide/util/Lookup.html#getDefault()">Looku The provider is usually provided by <a href="@org-openide-windows@/index.html">window system implementation</a>. </api>.</li> <!-- <li><api name="LookupEntityCatalog" category="devel" group="lookup" type="export"> <a href="@org-openide-util@/org/openide/xml/EntityCatalog.html">EntityCatalog</a> delegates its methods to all instances of <a href="@org-openide-util@/org/openide/xml/Ent found in Lookup </api>.</li>--> <li><api name="LookupErrorManager" category="devel" group="lookup" type="export"> <a href="@TOP@/org/openide/ErrorManager.html">ErrorManager</a> delegates its methods to all instances of <a href="@TOP@/org/openide/ErrorManager.html">Er found in Lookup </api>.</li> <!-- <li><api name="LookupClassLoader" category="devel" group="lookup" type="export"> Nearly all resource looking functions and reflective code uses <a href="@JDK@@JDKMODULE_JAVA_BASE@/java/lang/ClassLoader.html">ClassLoader</a> obtained from <a href="@org-openide-util-lookup@/org/openide/util/Lookup.html#getDef for loading system wide resources. </api>.</li>--> </ul> </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> Nothing. </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> No. </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> </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> There are no big data structures. </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> There are no menus. </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> Actions declared as <a href="@TOP@/org/openide/util/actions/CallableSystemAction.html are executed outside of AWT thread on a dedicated request processor one. </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> Lookup code scales linearily. </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> No enforcing is done. </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> 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 security permitions manipulated. </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 security permissions manipulated. </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-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> XXX no answer for compat-deprecation </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 <api type="export" group="preferences" name="preference node name" category="private"> description of individual keys, where it is used, what it influences, whether the module reads/write it, etc. </api> Due to XML ID restrictions, rather than /org/netbeans/modules/foo give the "name" as org.net Note that if you use NbPreferences this name will then be the same as the code name base of the modu </hint> </question> --> <answer id="resources-preferences"> <p> XXX no answer for resources-preferences </p> </answer> </api-answers> ¤ Dauer der Verarbeitung: 0.18 Sekunden (vorverarbeitet) ¤*© Formatika GbR, Deutschland |
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2026-03-28