| <?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="1.11" |
| author="pkuzel@netbeans.org" |
| > |
| |
| &api-questions; |
| |
| |
| <!-- Question: arch-what |
| |
| <question id="arch-what"> |
| What is this project good for? |
| <hint> |
| Please provide here few lines describing the the project, |
| what problem it should solve, provide links to documentation, |
| specifications, etc. |
| </hint> |
| </question> |
| --> |
| <answer id="arch-what"> |
| It helps with editing XML files and supports leveraging XML in developed application. |
| </answer> |
| |
| |
| |
| <!-- Question: compat-i18n |
| |
| <question id="compat-i18n"> |
| Is your module correctly internationalized? |
| <hint> |
| Correct internationalization means that it obeys instuctions |
| at <a href="http://www.netbeans.org/devhome/docs/i18n/index.html"> |
| NetBeans I18N pages</a>. |
| </hint> |
| </question> |
| --> |
| <answer id="compat-i18n"> |
| All but code generated by JavaCC. |
| </answer> |
| |
| |
| |
| <!-- Question: compat-standards |
| |
| <question id="compat-standards"> |
| Does the module implements or defines any standards? Is the |
| implementation exact or it deviates somehow? |
| </question> |
| --> |
| <answer id="compat-standards"> |
| The support implements following standards XML 1.0 Recommendation, XML Schema Recommendation, |
| XSLT Recommendation, CSS Level 2 Recommendation, DOM Level 1 Core and XML Recommendation, |
| SAX version 2, JAXP 1.1 Specification and XML Catalog Standard. |
| </answer> |
| |
| |
| |
| <!-- Question: compat-version |
| |
| <question id="compat-version"> |
| Does your module properly coexists with earlier and future |
| versions? Can you correctly read settings? Will future |
| versions be able to read settings? |
| |
| <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"> |
| It uses several persistence mechanisms including Java serialization of |
| third party objects. It's not fully under module control. |
| </answer> |
| |
| |
| |
| <!-- Question: dep-jre |
| |
| <question id="dep-jre"> |
| Which version of JRE 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"> |
| It requires JRE 1.3. |
| </answer> |
| |
| |
| |
| <!-- Question: dep-jrejdk |
| |
| <question id="dep-jrejdk"> |
| Do you require JDK or is JRE enough? |
| </question> |
| --> |
| <answer id="dep-jrejdk"> |
| JRE is enough. |
| </answer> |
| |
| |
| |
| <!-- Question: dep-nb |
| |
| <question id="dep-nb"> |
| What other NetBeans projects this one depends on? |
| <hint> |
| If you want, describe such projects as imported API using |
| the <code><api name="identification" type="import or export" category="stable" url="where is the description" /></code> |
| </hint> |
| </question> |
| --> |
| <answer id="dep-nb"> |
| It uses various kinds of API's: |
| <ul> |
| <li> |
| <api name="NodesAPI" type="import" category="official" |
| url="@org-openide-nodes@/index.html" group="java"/> |
| The support class <code>NodeAction</code>. |
| </li> |
| <li> |
| <api name="WindowSystemAPI" type="import" category="official" |
| url="@org-openide-windows@/index.html" group="java"/> |
| <code>NodeAction</code> uses <code>TopComponent.Registry</code>. |
| </li> |
| <li> |
| <api group="java" name="Explorer" type="import" category="official"> |
| <p> |
| <code>PasteAction</code> uses <code>ExplorerManager</code>. |
| </p> |
| </api> |
| </li> |
| <li> |
| <api group="java" name="Filesystems" type="import" category="official"> |
| <p> |
| E.g. <code>FileSystemAction</code> uses <code>FileSystem</code>. |
| </p> |
| </api> |
| </li> |
| <li> |
| <api group="java" name="Datasystems" type="import" category="official"> |
| <p> |
| E.g. <code>FileSystemAction</code> uses <code>DataObject</code>. |
| </p> |
| </api> |
| </li> |
| <li> |
| <api name="UtilitiesUIAPI" type="import" category="official" url="@org-openide-util-ui@/index.html" group="java"/> |
| </li> |
| </ul> |
| </answer> |
| |
| |
| |
| <!-- Question: dep-non-nb |
| |
| <question id="dep-non-nb"> |
| What other non-NetBeans projects this one depends on? |
| |
| <hint> |
| Some non-NetBeans projects are packaged as NetBeans modules |
| (see <a href="http://libs.netbeans.org">libraries</a>) and |
| it is prefered to use this approach when more modules may |
| depend on such third-party library. |
| </hint> |
| </question> |
| --> |
| <answer id="dep-non-nb"> |
| W3C's SAC API and Flute - it's implementation. |
| </answer> |
| |
| |
| |
| <!-- Question: dep-platform |
| |
| <question id="dep-platform"> |
| On which platforms your module run? Any? Does it run in the same |
| way? |
| <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"> |
| 100% pure Java. |
| </answer> |
| |
| |
| |
| <!-- Question: deploy-jar |
| |
| <question id="deploy-jar"> |
| Do you deploy just module JAR file(s) or some other files? |
| <hint> |
| If your module consist just from one module JAR file, just confirm that. |
| If it uses more than one JAR, describe where there 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/deinstallation leaves the system |
| in state as it was before installation. |
| </hint> |
| </question> |
| --> |
| <answer id="deploy-jar"> |
| It comes with several files in <tt>ext</tt>tt> area. Namely <tt>flute.jar</tt>, |
| <tt>sac.jar</tt>, <tt>resolver_nb.jar</tt> and <tt>xerces2.jar</tt>. SAC and |
| Flute should be moved to libs. Resolver and Xerces should be replaced by existing |
| <tt>libs</tt> sub projects. |
| </answer> |
| |
| |
| |
| <!-- Question: deploy-nbm |
| |
| <question id="deploy-nbm"> |
| Can you deploy NBM via AutoUpdate center? |
| <hint> |
| If not why? |
| </hint> |
| </question> |
| --> |
| <answer id="deploy-nbm"> |
| Yes. |
| </answer> |
| |
| |
| |
| <!-- Question: deploy-packages |
| |
| <question id="deploy-packages"> |
| 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/apis/org/openide/doc-files/upgrade.html#3.4-public-packages"> |
| public packages |
| </a>). |
| </hint> |
| </question> |
| --> |
| <answer id="deploy-packages"> |
| XML tools APIs are exported. Also several experimental packages is exposed. |
| Openide-Module-Provides and Openide-Module-Requires guarding tokens are defined |
| for these. |
| </answer> |
| |
| |
| |
| <!-- Question: deploy-shared |
| |
| <question id="deploy-shared"> |
| Do you need to be installed in shared location or only in user directory? |
| <hint> |
| Installation location shall not matter, if it does explain why. |
| </hint> |
| </question> |
| --> |
| <answer id="deploy-shared"> |
| It does not matter. |
| </answer> |
| |
| |
| |
| <!-- Question: exec-classloader |
| |
| <question id="exec-classloader"> |
| Does your code uses own classloader? |
| <hint> |
| A bit unusual. Please explain why and what for. |
| </hint> |
| </question> |
| --> |
| <answer id="exec-classloader"> |
| Yes, xerces2.jar is loaded by an isolatings classloader. There is strong |
| implementation dependency and the module can use two Xerces versions. |
| </answer> |
| |
| |
| |
| <!-- Question: exec-component |
| |
| <question id="exec-component"> |
| Is execution of your code influenced by (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 behaviour 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"> |
| A lot of defined by Open APIs. |
| </answer> |
| |
| |
| |
| <!-- Question: exec-privateaccess |
| |
| <question id="exec-privateaccess"> |
| Are you aware of any other part 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"> |
| No. |
| </answer> |
| |
| |
| |
| <!-- Question: exec-property |
| |
| <question id="exec-property"> |
| Is execution of your code influenced by any environment of |
| system (<code>System.getProperty</code>) property? |
| |
| <hint> |
| If there is a property that can change the behaviour of your |
| code, somebody will likely use it. You should describe what it does |
| and the stability category of this API. You may use |
| <PRE> |
| <property name="id" category="private" > |
| description of the property, where it is used, what it influence, etc. |
| </property> |
| </PRE> |
| </hint> |
| </question> |
| --> |
| <answer id="exec-property"> |
| XML modules uses following system properties: |
| <pre> |
| netbeans.xml.completion={fast|default|accurate} |
| netbeans.experimental.xml.nodeselectors={true|false} |
| netbeans.debug.exceptions={true|false} |
| netbeans.debug.editor.draw={true|false} |
| netbeans.debug.xml={true|false} |
| netbeans.xml.reportBogusSchemaLocation={true|false} |
| org.netbeans.tax{packages}={true|false} |
| </pre> |
| </answer> |
| |
| |
| |
| <!-- Question: exec-reflection |
| |
| <question id="exec-reflection"> |
| Does your code uses java.lang.reflect to execute some other code? |
| <hint> |
| This usually indicates a missing or unsufficient 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"> |
| Yes to access <code>EntityCatalog</code>'s map that is filled by deprecated registration methods. |
| In TAX to construct instance of isolated Xerces parser. |
| In <code>TokenContext</code> for fill a map from instance fields. |
| In <code>BeanUtil</code> to introspect beans. |
| In <code>AbstractObjectNode</code> to introspect listeners using a debug action. |
| In <code>ElementInfo</code> and <code>WriteCache</code> to apply declaratively defined |
| property values. |
| In <code>org.netbeans.modules.xml.tree.nodes.propertysheet</code> which is tuned copy of |
| OpenAPI's propertysheet API. |
| In <code>TreeEventChangeSupport</code> to get access to listeners list. |
| In <code>TreeStreamResult</code> and <code>XNIBuilder</code> to access/set internal DTD |
| as plain string. It could be replaced by a map. |
| </answer> |
| |
| |
| |
| <!-- Question: format-clipboard |
| |
| <question id="format-clipboard"> |
| Which protocols your code reads/inserts when communicating with |
| clipboard? |
| </question> |
| --> |
| <answer id="format-clipboard"> |
| Implementations of cut, copy and paste (<code>CutAction</code>, <code>CopyAction</code> |
| and <code>PasteAction</code>) reads/writes from/into clipboard. It uses standard |
| <a href="@JDK@/java/awt/datatransfer/package-summary.html">java datatransfer mechanism</a> |
| and <a href="@org-openide-util-ui@/org/openide/util/datatransfer/package-summary.html">Netbeans extension to the mechanism</a>. |
| </answer> |
| |
| |
| |
| <!-- Question: format-dnd |
| |
| <question id="format-dnd"> |
| Which protocols your code understands during drag-n-drop? |
| </question> |
| --> |
| <answer id="format-dnd"> |
| See format-clibpoard. |
| </answer> |
| |
| |
| |
| <!-- Question: format-types |
| |
| <question id="format-types"> |
| Which file formats your code reads or writes on disk? |
| </question> |
| --> |
| <answer id="format-types"> |
| Configuration XMLs. Users XMLs and CCS files. |
| </answer> |
| |
| |
| |
| <!-- Question: lookup-lookup |
| |
| <question id="lookup-lookup"> |
| Does your module uses <code>org.openide.util.Lookup</code> |
| to find any components to communicate to? 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 clasify the stability of such |
| API contract. |
| </hint> |
| </question> |
| --> |
| <answer id="lookup-lookup"> |
| Almost all XMLDataObject properties all in turn searched in default Lookup. |
| </answer> |
| |
| |
| |
| <!-- Question: lookup-register |
| |
| <question id="lookup-register"> |
| Do you register anything into the lookup for other 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"> |
| XML submodules registers in lookup their action and cookies. |
| Also text grammars and user's catalogs are registered in lookup. |
| </answer> |
| |
| |
| |
| <!-- Question: lookup-remove |
| |
| <question id="lookup-remove"> |
| Are removing entries of other modules from the 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"> |
| No. |
| </answer> |
| |
| |
| |
| <!-- Question: perf-exit |
| |
| <question id="perf-exit"> |
| Does your module executes anything on exit? |
| </question> |
| --> |
| <answer id="perf-exit"> |
| No. |
| </answer> |
| |
| |
| |
| <!-- Question: perf-huge_dialogs |
| |
| <question id="perf-huge_dialogs"> |
| Does your module contain any dialogs or wizards with huge |
| amount of GUI controls like combo boxes, lists, trees, text |
| areas? |
| </question> |
| --> |
| <answer id="perf-huge_dialogs"> |
| Several multi-step wizards with tables. |
| </answer> |
| |
| |
| |
| <!-- Question: perf-limit |
| |
| <question id="perf-limit"> |
| Are there any limits in number/size of elements your code |
| can handle? |
| </question> |
| --> |
| <answer id="perf-limit"> |
| Size of available memory is the limit. It depends on JVM configuration. |
| </answer> |
| |
| |
| |
| <!-- Question: perf-mem |
| |
| <question id="perf-mem"> |
| What is the amount of memory your component occupies? Estimate |
| with a relaction to the number of windows, etc. |
| </question> |
| --> |
| <answer id="perf-mem"> |
| XML Document model takes 10-20 times memory comparing to plain text representation. |
| </answer> |
| |
| |
| |
| <!-- Question: perf-menus |
| |
| <question id="perf-menus"> |
| Does your module use dynamically changing context menus or |
| context sensitive actions with complicated logic for enable/disable? |
| </question> |
| --> |
| <answer id="perf-menus"> |
| It creates dynamically changing context menus. Enableness logic is under |
| providers control. Known providers uses cookie checks that can needlessly |
| initialize these. |
| </answer> |
| |
| |
| |
| <!-- Question: perf-progress |
| |
| <question id="perf-progress"> |
| Does your module executes some long running task? |
| <hint>Typically they are tasks like connecting over |
| network, computing huge amount of data, compilation. |
| Such communication should be done asynchronously (for example |
| using <code>RequestProcessor</code>), definitively it should |
| not block AWT thread. |
| </hint> |
| </question> |
| --> |
| <answer id="perf-progress"> |
| XSLT transformations and XML validation tasks. User cannot cancel those |
| and there is not any progress feedback. |
| </answer> |
| |
| |
| |
| <!-- Question: perf-scale |
| |
| <question id="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? |
| Please include some estimates. |
| </question> |
| --> |
| <answer id="perf-scale"> |
| It scales linearly to input. Transformations and validation depends on |
| complexity of declarations. |
| </answer> |
| |
| |
| |
| <!-- Question: perf-startup |
| |
| <question id="perf-startup"> |
| Does your module executes anything on startup? |
| </question> |
| --> |
| <answer id="perf-startup"> |
| It registers some editor stuff. |
| </answer> |
| |
| |
| |
| <!-- Question: perf-wakeup |
| |
| <question id="perf-wakeup"> |
| Is any piece of your code waking up periodically? |
| </question> |
| --> |
| <answer id="perf-wakeup"> |
| No. |
| </answer> |
| |
| |
| |
| <!-- Question: resources-file |
| |
| <question id="resources-file"> |
| 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 prefered |
| way that should be used. But of course there can be situations when |
| this is not suitable. |
| </hint> |
| </question> |
| --> |
| <answer id="resources-file"> |
| Yes to access files that are referenced by <code>file:</code> protocol. |
| </answer> |
| |
| |
| |
| <!-- Question: resources-layer |
| |
| <question id="resources-layer"> |
| Does your module provide own layer? Does it create some files or |
| folders on it? What it is trying to communicate by that and with which |
| component? |
| |
| <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"> |
| Yes. Almost all registrations are placed on it. |
| </answer> |
| |
| |
| |
| <!-- Question: resources-mask |
| |
| <question id="resources-mask"> |
| Does your module mask/hide/override any resource provided by another one in |
| module layer? |
| |
| <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"> |
| Branded version of module masks its own parts. |
| </answer> |
| |
| |
| |
| <!-- Question: resources-read |
| |
| <question id="resources-read"> |
| 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 clasify according to |
| <a href="http://openide.netbeans.org/tutorial/api-design.html#categories"> |
| common stability categories</a>. |
| </hint> |
| </question> |
| --> |
| <answer id="resources-read"> |
| Grammar and scenario providers registrations. Probably more to come and start to use |
| layer as a naming service. |
| Can also register global XML catalogs as instances of <code>CatalogReader</code> in |
| <code>Plugins/XML/UserCatalogs</code>. |
| </answer> |
| |
| <!-- |
| <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" shape="rect"> |
| 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> |
| XML APIs provide support for editing XML files and leveraging XML in developed application. |
| <api name="XMLAPIs" group="java" type="export" category="official" url="index.html"/> |
| </p> |
| <!-- XXX need more detailed description --> |
| </answer> |
| |
| </api-answers> |
