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| Products sharing a common source framework |
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| <h1> |
| Products sharing a common source framework |
| </h1> |
| <h3>Layout on file system</h3> |
| <ul> |
| <li>The Java source files for two products require a common framework.</li> |
| <li>Projects and common framework are in separate directories which have their own source and output folders. |
| <p><img src="images/qs-WorkingWithExistingLayout40.png" alt="Layout on file system"></p></li> |
| </ul> |
| <h3>Steps for defining corresponding projects</h3> |
| <ol> |
| <li> |
| <p>Click |
| <a class="command-link" href='javascript:executeCommand("org.eclipse.ui.perspectives.showPerspective(org.eclipse.ui.perspectives.showPerspective.perspectiveId=org.eclipse.jdt.ui.JavaPerspective)")'> |
| <img src="PLUGINS_ROOT/org.eclipse.help/command_link.png" alt="Opens the Java perspective"> |
| <strong>Window > Open Perspective > Other... > Java</strong></a> |
| to change to the Java perspective. |
| </p> |
| </li> |
| <li> |
| <p> |
| Click |
| <a class="command-link" href='javascript:executeCommand("org.eclipse.ui.newWizard(newWizardId=org.eclipse.jdt.ui.wizards.JavaProjectWizard)")'> |
| <img src="PLUGINS_ROOT/org.eclipse.help/command_link.png" alt="Opens the New Java Project wizard"> |
| <strong>File > New > Other... > Java Project</strong></a> |
| to open the <strong>New Java Project</strong> wizard. |
| </p> |
| </li> |
| <li> |
| <p>Type "Product1" in the <strong>Project name</strong> field. Click <strong>Next</strong>.</p> |
| <p><img src="images/qs-WorkingWithExistingLayout41.png" alt="New Java Project wizard"></p> |
| </li> |
| <li> |
| <p>On the next page, Select "Product1" source folder.</p> |
| <p>Click <strong>Link additional source</strong> link in <strong>Details</strong> pane or button <img src="images/add_linked_source_to_buildpath.png" alt="Link Additional Source to Project"> in view bar.</p> |
| <p><img src="images/qs-WorkingWithExistingLayout42.png" alt="Java Project Source setup"></p> |
| </li> |
| <li> |
| <p>In <strong>Link Source</strong> click <strong>Browse....</strong> and choose the <i><code>D:\Product1\JavaSourceFiles</code></i> directory.</p> |
| <p>Type "src" in the <strong>Folder name</strong> field.</p> |
| <p><img src="images/qs-WorkingWithExistingLayout43.png" alt="Link Source dialog"></p> |
| </li> |
| <li> |
| <p>Click <strong>Finish</strong> to validate and close the dialog.</p> |
| </li> |
| <li> |
| <p>Again, Select "Product1" and click <strong>Link additional source</strong> link in <strong>Details</strong> pane or button <img src="images/add_linked_source_to_buildpath.png" alt="Link Additional Source to Project"> in view bar.</p> |
| <p><img src="images/qs-WorkingWithExistingLayout44.png" alt="Java Project Source setup"></p> |
| </li> |
| <li> |
| <p>In <strong>Link Source</strong> click <strong>Browse....</strong> and choose the <i><code>D:\Framework\JavaSourceFiles</code></i> directory.</p> |
| <p>Type "src-common" in the <strong>Folder name</strong> field.</p> |
| <p><img src="images/qs-WorkingWithExistingLayout45.png" alt="Link Source dialog"></p> |
| </li> |
| <li> |
| <p>Click <strong>Finish</strong> to validate and close the dialog.</p> |
| <p>Your project source setup now looks as follows:</p> |
| <p><img src="images/qs-WorkingWithExistingLayout46.png" alt="Java Project Source final setup"></p> |
| </li> |
| <li> |
| Click <strong>Finish</strong>. |
| </li> |
| <li> |
| <p>Create project "Product2" repeating steps 2 to 5 choosing <i><code>D:\Product2\JavaSourceFiles</code></i> |
| directory for source folder instead.</p> |
| </li> |
| <li> |
| <p>Click on <strong>Finish</strong> to create the project immediately.</p> |
| </li> |
| <li> |
| <p>Now, we'll see how to add a linked source folder when project is already created in workspace...</p> |
| <p>Edit project "Product2" properties and select <strong>Java Builder Path</strong> page.</p> |
| <p>On <strong>Source</strong> tab, click <strong>Link Source...</strong>.</p> |
| <p><img src="images/qs-WorkingWithExistingLayout47.png" alt="Java Build Path Properties Source tab"></p> |
| </li> |
| <li> |
| <p>In <strong>Link Source</strong> click <strong>Browse....</strong> and choose the <i><code>D:\Framework\JavaSourceFiles</code></i> directory.</p> |
| <p>Type "src-common" in the <strong>Folder name</strong> field.</p> |
| <p><img src="images/qs-WorkingWithExistingLayout48.png" alt="Link Source dialog"></p> |
| </li> |
| <li> |
| <p>Click <strong>Finish</strong> to validate and close the dialog.</p> |
| <p>Click <strong>OK</strong> to apply project "Product2" properties changes.</p> |
| </li> |
| <li> |
| You now have two Java projects which respectively contain the sources of "Product1" and "Product2" |
| and which are using the sources of "Framework". |
| <p><img src="images/qs-WorkingWithExistingLayout49.png" alt="Created Java projects in Workspace"></p> |
| </li> |
| </ol> |
| <em>Note: </em>Files in "src-common" are shared. So editing "Common.java" in "Product1" |
| will modify "Common.java" in "Product2". However they are compiled in the context of their |
| respective projects. Two "Common.class" files will be generated; one for each project. If the two projects have |
| different compiler options, then different errors could be reported on each "Common.java" file. |
| <P class="nav_footer" id="nav_footer">Next Section: <A href="qs-WorkingWithExistingLayout5.htm">Product nesting resources in output directory</A> |
| </P> |
| <p> |
| <img border="0" src="../images/ngrelc.png" alt="Related concepts" > |
| </p> |
| <p> |
| <a href="../concepts/concepts-3.htm">Java projects</a><br> |
| <a href="../concepts/cjavaviews.htm">Java views</a><br> |
| </p> |
| <p> |
| <img src="../images/ngrelr.png" alt="Related reference"> |
| </p> |
| <p> |
| <a href="../reference/ref-121.htm">New Java Project Wizard</a><br> |
| <a href="../reference/ref-view-package-explorer.htm">Package Explorer View</a><br> |
| </p> |
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