THIS IS A TEST INSTANCE. ALL YOUR CHANGES WILL BE LOST!!!!
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Windows
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Guide
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to
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Installing
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Wicket
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on
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Eclipse
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with
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Maven
Download & Install Maven
Maven is a project management tool. It does a million things, but I only know three of those things. We'll use Maven to get the Wicket Quickstart, convert it to an Eclipse project, and package our WARs. But first we need to get Maven.
1. Go to http://maven.apache
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2. Click the "apache-maven-2.0.10-bin.zip"
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link.
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3. Click the link at the top of the page.
4. That will prompt you to download a file called apache-maven-2.0.10-bin.zip
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.
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Save
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it
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to
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your
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desktop.
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5. Inside the zip file is a folder called apache-maven-2.0.10
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.
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Drag
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that
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folder
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and
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put
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it
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directly
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onto
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your
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C:
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drive--
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C:\apache-maven-2.0.10
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.
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*IMPORTANT*---Maven
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has
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problems
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if
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its
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path
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has
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any
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spaces
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in
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it.
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For
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example,
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don't
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put
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Maven under your "Program
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Files"
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folder,
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since
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there's
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a
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space
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in
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"Program
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Files".
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6. Add an environment variable called MAVEN_HOME
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with
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a
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value
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of
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C:\apache-maven-2.0.10
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.
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You
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can
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learn
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how
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to
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set
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environment
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variables
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here:
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http://www.chem.gla.ac.uk/~louis/software/faq/q1.html#winXP
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7. Add Maven's
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"bin"
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directory
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to
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your
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PATH
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environment
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variable.
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In
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this
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case,
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you
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can
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just
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paste
; C:\apache-maven-2.0.10\bin
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to
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the
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end
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of
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your
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PATH.
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Don't
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forget
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to
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put
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the
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semicolon
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in
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front,
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to
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separate
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it
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from
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anything
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that's
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already
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in
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your
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PATH.
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8. If you don't
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have
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a
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JAVA_HOME
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environment
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variable,
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then
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create
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one
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of
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those
...
too,
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pointing
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at
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a
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JDK
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installation
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on
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your
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computer.
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9. Now you have Maven ready to go. You can check that it's been installed correctly by opening a command prompt (Start -> Run... -> cmd) and typing in "mvn -version". That should display a couple lines of information about your Maven installation.
Download Eclipse
Eclipse is a great IDE for developing Java applications.
1. Go to http://www.eclipse.org/downloads/
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.
2. Click the Eclipse IDE for Java Developers link.
3. Click the big green download arrow.
4. That will prompt you to download a file called eclipse-jee-ganymede-SR2-win32.zip
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.
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Save
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it
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to
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your
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desktop.
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5. Inside the zip file is a folder called eclipse. Drag that folder and put it directly onto your C: drive---_C:\eclipse
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_
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.
6. That's
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it.
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Now
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you
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can
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run
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Eclipse
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by
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going
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into
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the
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eclipse
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folder
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and
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running
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eclipse.exe.
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Download
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WTP
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(optional)
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WTP
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is
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an
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Eclipse
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plugin
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that
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provides
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nice
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web
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editing
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tools,
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including
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a
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good
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HTML
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editor.
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It's
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not
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necessary,
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it's
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nice
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to
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have.
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If
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you
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don't
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want
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WTP,
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skip
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this
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part.
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You
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can
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always
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come
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back
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and
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do
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it
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later.
1.
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Go
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to
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http://download.eclipse.org/webtools/downloads/
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.
2. Click the 3.0.4
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link.
3. Then click the wtp link under *Web App Developers.*
4. Then click the big green arrow.
5. That will prompt you to download a file called wtp-R-3.0.4-20090213193639.zip
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.
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Save
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it
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to
...
your
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desktop.
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6. Inside the zip file is a folder called eclipse. Drag that folder and put it directly onto your C: drive. A popup window will tell you that there's already a folder called eclipse there, and ask if you want to continue. Say yes. That will copy the contents of this eclipse folder into the eclipse folder that's already on your C: drive.
7. That's it. Now you will have access to the WTP tools when using Eclipse.
Install M2Eclipse
M2Eclipse is an Eclipse plugin that allows you to run your Maven project from within Eclipse.
1. Open Eclipse.
2. Go to the Help menu and select Software Updates...
3. A pop-up window will open. Make sure the Available Software tab is selected at the top of the pop-up window.
4. Click the "Add Site..." button on the right. That will pop up another window.
5. Paste http://m2eclipse.sonatype.org/
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m2e into
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the
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Location
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bar.
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Then
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click
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OK.
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6. This will add a line to the Available Software list titled Maven Integration for Eclipse Update Site
7. Check the checkbox next to Maven Integration for Eclipse Update Site and click "Install...".
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8. A window will pop-up
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saying
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that
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the
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items
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you
...
selected
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may
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not
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be
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valid
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yadda
...
yadda
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yadda.
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Click
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"Yes".
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9. Uncheck the boxes next to Maven Integration for AJDT and Maven SCM handler for Subclipse.
10. Click "Finish".
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That's
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it.
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Now
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you've
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got
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everything
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ready
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to
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build
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your
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first
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Wicket application.
Build Wicket Quickstart
We're
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almost
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there.
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Everything
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you've
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done
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so
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far
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will
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never
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need
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to
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be
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done
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again.
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This
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section
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contains
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all
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the
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directions
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to
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start
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a
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new
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project.
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Whenever
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you
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want
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to
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start
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a
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new
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project,
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you
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can
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come
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back
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to
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these
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steps.
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The
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Wicket
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Quickstart
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contains
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all
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of
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the
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files
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and
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libraries
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necessary
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to
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make
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a
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Wicket
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project.
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It
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lives
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in
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the
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Maven
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repository,
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so
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we'll
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use
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Maven
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to
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download
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it
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and
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build
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it,
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and
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then
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we'll
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import
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it
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into
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Eclipse
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for
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you
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to
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play
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with.
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1. Create a folder called on wicket on your C: drive to contain your Wicket projects---
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C:\wicket
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.
2. Now open a browser and go to http://wicket.apache.org/quickstart.html
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.
3. Under the "Creating
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the
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project"
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section
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of
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the
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page,
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enter
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a
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GroupId
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and
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an
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ArtifactId.
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The
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GroupId
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can
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be
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any
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string
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that
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reasonably
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identifies
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your
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organization.
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The
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ArtifactId
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will
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be
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the
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name
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of
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your
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project.
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Leave
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Version
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at
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1.3.5.
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(You're
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welcome
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to
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try
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1.4,
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but
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I
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haven't
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had
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much
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luck
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with
...
that.)
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4. Now open a command prompt (Start -> Run...
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->
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cmd)
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and
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navigate
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to
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_C:\wicket
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_.
5.
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Copy
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the
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text
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inside
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the
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"Command
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Line"
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textbox
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from
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step
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3
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above
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and
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paste
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it
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into
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your
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command
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prompt.
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Hit
...
enter.
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Then
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wait
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as
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Maven
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downloads
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a
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bunch
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of
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stuff.
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6. When that finishes,
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you
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will
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see
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that
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a
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new
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folder
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called
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firstWicketProject
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has
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been
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created
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in
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your
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C:\wicket
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_
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folder.
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From
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your
...
command
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prompt,
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navigate
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into
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_firstWicketProject
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.
7. Your command prompt should now be in C:\wicket\
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firstWicketProject. From here,
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type
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mvn
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eclipse:eclipse
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and
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hit
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Enter.
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Wait
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while
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Maven
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download
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more
...
stuff.
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8. Now open Eclipse,
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if
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you
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don't
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already
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have
...
it
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open.
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Go
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to
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the
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File
...
menue
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and
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select
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Import...
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A
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window
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will
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pop
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up
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with
...
several
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folders.
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9. Expand the top folder, named "General".
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Select
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the
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"Existing
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Projects
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into
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Workspace"
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option
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and
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click
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"Next"
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.
10. Click the "Browse..."
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button
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to
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the
...
right
...
of
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the
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"Select
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root
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directory"
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prompt
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.
11. Navigate to C:\wicket\firstWicketProject
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and
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click
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"OK
...
".
12. The Projects area of the window will now show "firstWicketProject" with a checkbox checked next to it. Click Finish.
Running the Application
Congratulations! You've installed the necessary software and built your first Wicket project. Now lets look at the project files and get it running.
- In the Package Explorer on the left hand side of the screen, you'll now see a folder called "firstWicketProject". If you expand that folder you'll lots of stuff. The important items are src/main/java, src/test/java, and src.
- src/main/java contains the project Java and HTML files. This is where you'll add new pages.
- src/test/java contains the embedded server. We'll come back here in a minute.
- src contains your web.xml file. You'll find it under src/main/webapp/WEB-INF
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- .
...
- Use
...
- that
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- to
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- set
...
- up
...
- your
...
- project
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- configuration.
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- Now
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- go
...
- back
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- to
...
- src/test/java
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- .
...
- Inside
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- you'll
...
- see
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- a
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- package
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- that
...
- has
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- the
...
- same
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- name
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- as
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- the
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- GroupId
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- you
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- entered
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- on
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- the
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- Quickstart
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- website.
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- Expand
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- the
...
- package
...
- inside
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- src/test/java
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- and
...
- you'll
...
- see
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- a
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- Java
...
- file
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- called
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- Start.java.
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- Right-click
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- Start.java
...
- and
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- go
...
- down
...
- to
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- "Debug
...
- as..."
...
- and
...
- select
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- "Java
...
- Application".
...
- You'll
...
- see
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- the
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- server
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- starting
...
- up
...
- inside
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- the
...
- console
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- at
...
- the
...
- bottom
...
- of
...
- the
...
- screen.
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- To
...
- test
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- to
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- see
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- if
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- everything
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- is
...
- working,
...
- open
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- a
...
- browser
...
- and
...
- go
...
- to
...
...
- .
...
- You
...
- should
...
- see
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- a
...
- message
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- telling
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- you
...
- and
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- Wicket
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- is
...
- running.
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- To
...
- stop
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- the
...
- server,
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- click
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- the
...
- red
...
- square
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- at
...
- the
...
- top
...
- right
...
- of
...
- the
...
- console
...
- in
...
- Eclipse.
...
- You
...
- may
...
- need
...
- to
...
- stop
...
- and
...
- start
...
- the server after you make programming changes in order for the changes to take effect.
Bonus Section
That's just about everything. Now you're ready to go into your src/main/java and start building your application. However, there are two more changes I suggest you make.
- Open the pom.xml file in the project root directory and scroll toward the bottom, where you'll find:
and add the lineCode Block <plugin> <groupId>org.apache.maven.plugins</groupId> <artifactId>maven-eclipse-plugin</artifactId> <configuration> <downloadSources>true</downloadSources> </configuration> </plugin>
right afterCode Block <version>2.5.1</version>Code Block <artifactId>maven-eclipse-plugin</artifactId> - Go back to src/test/java and open the Start.java file into the Eclipse editor.
- Delete the entire contents of the file and paste in the following instead. I find this change helps the embedded server to pick up your code changes without needing to be restarted.
| Code Block |
|---|
package edu.chemeketa; import server after you make programming changes in order for the changes to take effect. h2. Bonus Section That's just about everything. Now you're ready to go into your _src/main/java_ and start building your application. However, there's one more change I suggest you make. # Go back to _src/test/java_ and open the Start.java file into the Eclipse editor. # Delete the entire contents of the file and paste in the following instead. I find this change helps the embedded server to pick up your code changes without needing to be restarted. \\ | | package edu.chemeketa;\\ \\ import java.lang.management.ManagementFactory;\\ \\ import javax.management.MBeanServer;\\ \\ import org.mortbay.jetty.Server;\\ import org.mortbay.jetty.nio.SelectChannelConnector;\\ import org.mortbay.jetty.webapp.WebAppContext;\\ import org.mortbay.management.MBeanContainer;\\ \\ /*\*\\ \ * Seperate startup class for people that want to run the examples\\ \ * directly.\\ \ */\\ public class Start {\\ \\ /*\*\\ \ * Main function, starts the jetty server. server.\\ \* \\ \* * @param args\\ \ */\\ public static void main(String\[\] args) throws Exception {\\ \\ Server server = new Server();\\ SelectChannelConnector connector = new SelectChannelConnector();\\ connector.setPort(8080);\\ server.addConnector(connector);\\ \\ connector); WebAppContext web = new WebAppContext();\\ web.setContextPath("/");\\ web.setWar("src/main/webapp");\\ server.addHandler(web);\\ \\ MBeanServer mBeanServer = ManagementFactory ManagementFactory\\ .getPlatformMBeanServer();\\ MBeanContainer mBeanContainer = new MBeanContainer(mBeanServer);\\ server.getContainer().addEventListener(mBeanContainer);\\ (mBeanContainer); mBeanContainer.start();\\ \\ try {\\ System.out.println(">>> STARTING EMBEDDED JETTY SERVER, PRESS ANY KEY TO STOP");\\ server.start();\\ while (System.in.available() == 0) {\\ Thread.sleep(5000);\\ }\\ ; } server.stop();\\ server.join();\\ } catch (Exception e) {\\ e) { e.printStackTrace();\\ System.exit(100);\\ }\\ }\\ }\\ | | } } } |