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== AspectJ Documentation and Resources

AspectJ^TM^ is a seamless aspect-oriented extension to
Java^TM^. The compiler and development tools are available
under an open-source license, require Java 1.3 to run, and produce code
that runs in JDK 1.1 and later VM's. For the latest materials, see
http://eclipse.org/aspectj. Not all of these materials have been updated
for AspectJ 5.

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|===
|+++Section+++ |+++Contents+++

|xref:#documentation[docs] |xref:../../faq/faq.adoc#faq[FAQ], link:quick5.pdf[Quick
Reference (AspectJ 5)], link:quick.pdf[Quick Reference (1.2.1)],
xref:../../adk15ProgGuideDB/adk15notebook.adoc[AspectJ 5 Developer's Notebook],
link:progguide/index.html[programming],
link:devguide/index.html[development] and
link:pdguide/index.html[problem diagnosis] guides,
link:runtime-api/index.html[API] and link:examples/[example code].

|xref:#distributions[distributions]
|http://eclipse.org/aspectj[AspectJ]; development environment support
for http://eclipse.org/ajdt[Eclipse] and
https://jdeveloperaop.dev.java.net/[JDeveloper].

|xref:#resources[resources] |http://aosd.net[aosd.net];
http://eclipse.org/aspectj[AspectJ project] the bug
http://bugs.eclipse.org/bugs[db], and mailing lists for
mailto:aspectj-users@eclipse.org[users] and
mailto:aspectj-dev@eclipse.org[developers].

|xref:#paths[paths] |for those new to AspectJ
|===

[[documentation]]
=== AspectJ documentation

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|===
|Documentation |Description
|link:quick5.pdf[AspectJ 5 Quick Reference] |This is a four-page quick
reference for the AspectJ 5 language.

|link:quick.pdf[AspectJ Quick Reference] |This is a two-page quick
reference for the AspectJ language.

|xref:../../adk15ProgGuideDB/adk15notebook.adoc[AspectJ 5 Developer's Notebook]
(printable link:adk15notebook/printable.html[html]) |This describes the
changes to the AspectJ language and tools introduced in the AspectJ 5
Development Kit. These changes are additive, and are not yet reflected
in the programming guide or quick reference.

|link:progguide/index.html[Programming Guide] (printable
link:progguide/printable.html[html]) |This introduces AOP and the
AspectJ language. link:progguide/starting.html[Getting Started]
describes basic semantics, and shows development- and production-time
applications. link:progguide/language.html[The AspectJ Language]
describes join points, pointcuts, advice, and introduction, all features
new to AOP. link:progguide/examples.html[Examples] walks you through the
examples included with the documentation, and there are two short
chapters on useful link:progguide/idioms.html[Idioms] and a few
link:progguide/pitfalls.html[Pitfalls] The appendices have reference
information: the link:progguide/quick.html[Quick Reference] summarizes
AspectJ syntax, the link:progguide/semantics.html[Language Semantics]
best describes AspectJ usage, and
link:progguide/implementation.html[Implementation Notes] describes how
the current version is limited to code the compiler controls.

|link:devguide/index.html[Development Environment Guide] +
(printable link:devguide/printable.html[html]) |This is a guide to
link:devguide/ajc-ref.html[ajc], the command-line compiler;
link:devguide/ajbrowser.html[ajbrowser], the stand-alone GUI for
compiling and viewing crosscutting structure; and the
link:devguide/antTasks.html[Ant tasks] for building AspectJ programs.

|link:pdguide/index.html[Problem Diagnosis Guide] +
(printable link:pdguide/printable.html[html]) |This has a guide to the
various features available such as messages and trace to help you both
solve problems with you own programs and report bugs to the AspectJ
team.

|link:runtime-api/index.html[AspectJ API] |API documentation for AspectJ
runtime classes. JoinPoint shows the state automatically available at
each join point. See also the link:weaver-api/index.html[Weaver API]

|xref:../../faq/faq.adoc#faq[FAQ] |Frequently-asked questions about the AspectJ
language, tools, and project.

|README's |Changes and porting guide for AspectJ
xref:README-197.adoc[1.9.7], xref:README-196.adoc[1.9.6],
xref:README-195.adoc[1.9.5], xref:README-194.adoc[1.9.4],
xref:README-193.adoc[1.9.3], xref:README-192.adoc[1.9.2],
xref:README-191.adoc[1.9.1], xref:README-190.adoc[1.9.0],
xref:README-1811.adoc[1.8.11], xref:README-1810.adoc[1.8.10],
xref:README-189.adoc[1.8.9], xref:README-188.adoc[1.8.8],
xref:README-187.adoc[1.8.7], xref:README-186.adoc[1.8.6],
xref:README-185.adoc[1.8.5], xref:README-184.adoc[1.8.4],
xref:README-183.adoc[1.8.3], xref:README-182.adoc[1.8.2],
xref:README-181.adoc[1.8.1], xref:README-180.adoc[1.8.0],
xref:README-174.adoc[1.7.4], xref:README-173.adoc[1.7.3],
xref:README-172.adoc[1.7.2], xref:README-171.adoc[1.7.1],
xref:README-170.adoc[1.7.0], xref:README-1612.adoc[1.6.12],
xref:README-1611.adoc[1.6.11], xref:README-1610.adoc[1.6.10],
xref:README-169.adoc[1.6.9], xref:README-168.adoc[1.6.8],
xref:README-167.adoc[1.6.7], xref:README-166.adoc[1.6.6],
xref:README-165.adoc[1.6.5], xref:README-164.adoc[1.6.4],
xref:README-163.adoc[1.6.3], xref:README-162.adoc[1.6.2],
xref:README-161.adoc[1.6.1], xref:README-160.adoc[1.6.0],
xref:README-154.adoc[1.5.4], xref:README-153.adoc[1.5.3],
xref:README-152.adoc[1.5.2], xref:README-151.adoc[1.5.1],
xref:README-150.adoc[1.5.0], xref:README-121.adoc[1.2.1],
xref:README-12.adoc[1.2.0], xref:README-11.adoc[1.1], and
xref:porting.adoc[1.0].

|link:changes.html[Changes] |Changes between the latest releases.

|link:examples/[Examples] |AspectJ code to demonstrate some language
features and implement JavaBean properties, the Observer pattern, a
tracing library, and a game application where aspects handle display
updating.
|===

[[distributions]]

=== AspectJ distributions

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|===
|Distributions |Description
|http://eclipse.org/aspectj[AspectJ] |The AspectJ distribution contains
binaries for the compiler, structure browser, and Ant taskdefs, as well
as the documentation and examples.

|http://eclipse.org/aspectj[AspectJ] source code |Source code for
AspectJ is available under the open-source
https://www.eclipse.org/org/documents/epl-2.0/EPL-2.0.txt[Eclipse Public
License v 2.0] license from the Git repositories for the AspectJ
project. See the faq.html#q:buildingsource[FAQ entry].

|http://eclipse.org/ajdt[AspectJ for Eclipse] |AspectJ Development
Environment support for Eclipse is available under Eclipse Public
License v 1.0 from the eclipse.org project site http://eclipse.org/ajdt

|https://jdeveloperaop.dev.java.net/[Support for the JDeveloper IDE]
|Support for programming in AspectJ using the JDeveloper IDE is
available under the Apache Software License from the java.net project
site https://jdeveloperaop.dev.java.net/
|===

[[resources]]

=== Other AspectJ resources

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|===
|Resources |Description
|Mail lists |AspectJ users discuss tips and best practices for writing
AspectJ programs on aspectj-users@eclipse.org. AspectJ developers
discuss issues with developing the AspectJ tools on
aspectj-dev@eclipse.org. To get occasional emails about AspectJ releases
and relevant events, subscribe to aspectj-announce@eclipse.org. To view
list archives or subscribe to the list, go to
http://eclipse.org/aspectj[the AspectJ home page]. To find archived
emails, use the Eclipse site
http://www.eclipse.org/search/search.cgi[search page].

|http://bugs.eclipse.org/bugs[Bug database] |Use the Eclipse project's
Bugzilla database to view and submit bugs against the AspectJ product
components
http://bugs.eclipse.org/bugs/buglist.cgi?product=AspectJ&component=Compiler[Compiler]
(for the AspectJ compiler, ajc)
http://bugs.eclipse.org/bugs/buglist.cgi?product=AspectJ&component=IDE[IDE]
(for AJBrowser and AJDE bugs),
http://bugs.eclipse.org/bugs/buglist.cgi?product=AspectJ&component=Ant[Ant]
(for the Ant tasks), and
http://bugs.eclipse.org/bugs/buglist.cgi?product=AspectJ&component=Docs[Docs]
(for the documentation). Bugs all users should know about are
http://bugs.eclipse.org/bugs/buglist.cgi?product=AspectJ&keywords=info[flagged
with the "info" keyword]. See the faq.html#q:ajcbugs[FAQ entry] for
instructions on submitting compiler bugs.

|http://aosd.net - the AOSD web site |This site has discussion and
announcements related to aspect-oriented software development (AOSD) in
general. Use announce@aosd.net to get and publish notices about AOSD
workshops, conferences, and technology releases. Use discuss@aosd.net
for general AOSD discussions.
|===

[[paths]]
=== Suggested paths for those new to AspectJ

To learn the AspectJ language, read the
link:progguide/index.html[Programming Guide], keeping the
link:progguide/semantics.html[Semantics appendix] nearby as the best
reference for AspectJ usage. Focus initially on the join point model and
pointcuts, concepts AOP adds to OOP. To read about how the
link:examples/[examples] work, see the
link:progguide/examples.html[Examples] section in the
link:progguide/index.html[Programming Guide]. View and navigate the
crosscutting structure using http://eclipse.org/ajdt[AJDT]; if you can't
use Eclipse, try the `ajbrowser` structure viewer, as described in the
link:devguide/ajbrowser.html[AspectJ Browser] section of the
link:devguide/index.html[Development Environment Guide].

To start using AspectJ with your own code, modify the example aspects to
apply to your classes. As you learn, use the compiler's `-Xlint` flags
to catch some common mistakes. (Understand that the
link:progguide/implementation.html[current implementation] is limited to
code the compiler controls.)

To plan how to adopt AspectJ into a project, read the
link:progguide/index.html[Programming Guide] on development- and
production-time aspects and the FAQ entries for
xref:../../faq/faq.adoc#howToStartUsing[How should I start using AspectJ?],
xref:../../faq/faq.adoc#adoption[Deciding to adopt AspectJ], the Development tools
sections (xref:../../faq/faq.adoc#integrateWithDevTools[How does AspectJ integrate with existing Java development tools?],
xref:../../faq/faq.adoc#devtools[Integrating AspectJ into your development environment], xref:../../faq/faq.adoc#ltw[Load-time weaving]), and
xref:../../faq/faq.adoc#opensource[AspectJ as open-source].

Enjoy the language!

The AspectJ Team

'''''

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