Issue #1743 More refactoring and code tidying

Signed-off-by: Jan Bartel <janb@webtide.com>
This commit is contained in:
Jan Bartel 2019-10-02 17:16:18 +10:00
parent 91631fd44b
commit 262759f899
7 changed files with 127 additions and 124 deletions

View File

@ -57,8 +57,8 @@ import org.eclipse.jetty.security.LoginService;
import org.eclipse.jetty.server.RequestLog;
import org.eclipse.jetty.server.Server;
import org.eclipse.jetty.server.handler.ContextHandler;
import org.eclipse.jetty.util.PathWatcher;
import org.eclipse.jetty.util.resource.Resource;
import org.eclipse.jetty.util.resource.ResourceCollection;
/**
* AbstractWebAppMojo
@ -196,15 +196,15 @@ public abstract class AbstractWebAppMojo extends AbstractMojo
* List of files or directories to additionally periodically scan for changes. Optional.
*/
@Parameter
protected File[] scanTargets;
protected List<File> scanTargets;
/**
* List of directories with ant-style &lt;include&gt; and &lt;exclude&gt; patterns
* for extra targets to periodically scan for changes. Can be used instead of,
* or in conjunction with &lt;scanTargets&gt;.Optional.
* @parameter
*/
protected ScanTargetPattern[] scanTargetPatterns;
@Parameter
protected List<ScanTargetPattern> scanTargetPatterns;
@Parameter(defaultValue = "${reactorProjects}", readonly = true, required = true)
protected List<MavenProject> reactorProjects;
@ -596,47 +596,7 @@ public abstract class AbstractWebAppMojo extends AbstractMojo
}
/**
* Unpack all included overlays, using the unpacked
* location as resource bases for the webapp.
*/
protected void unpackOverlays()
throws Exception
{
OverlayManager overlayManager = mavenProjectHelper.getOverlayManager();
List<Overlay> overlays = overlayManager.getOverlays();
if (overlays.isEmpty())
return;
List<Resource> resourceBaseCollection = new ArrayList<Resource>();
for (Overlay o:overlays)
{
//can refer to the current project in list of overlays for ordering purposes
if (o.getConfig() != null && o.getConfig().isCurrentProject() && webApp.getBaseResource().exists())
{
resourceBaseCollection.add(webApp.getBaseResource());
continue;
}
Resource unpacked = overlayManager.unpackOverlay(o);
resourceBaseCollection.add(unpacked); //add in the selectively unpacked overlay in the correct order to the webapps resource base
}
if (!resourceBaseCollection.contains(webApp.getBaseResource()) && webApp.getBaseResource().exists())
{
if (webApp.getBaseAppFirst())
resourceBaseCollection.add(0, webApp.getBaseResource());
else
resourceBaseCollection.add(webApp.getBaseResource());
}
webApp.setBaseResource(new ResourceCollection(resourceBaseCollection.toArray(new Resource[resourceBaseCollection.size()])));
}
/**
* Verify the configuration given in the pom.
*
*
* Verify some basic configuration is present, supplying defaults if not.
*/
protected void verifyPomConfiguration() throws MojoExecutionException
{
@ -772,15 +732,23 @@ public abstract class AbstractWebAppMojo extends AbstractMojo
{
if (useProvidedScope)
{
return project.getArtifacts().
stream().
filter(a->Artifact.SCOPE_PROVIDED.equals(a.getScope()) && !isPluginArtifact(a)).
map(a->a.getFile()).collect(Collectors.toList());
return project.getArtifacts()
.stream()
.filter(a -> Artifact.SCOPE_PROVIDED.equals(a.getScope()) && !isPluginArtifact(a))
.map(a -> a.getFile()).collect(Collectors.toList());
}
else
return Collections.emptyList();
}
/**
* Synthesize a classpath appropriate for a forked jetty based off
* the artifacts associated with the jetty plugin, plus any dependencies
* that are marked as provided and useProvidedScope is true.
*
* @return jetty classpath
* @throws Exception
*/
protected String getContainerClassPath() throws Exception
{
//Add in all the plugin artifacts
@ -815,8 +783,6 @@ public abstract class AbstractWebAppMojo extends AbstractMojo
return classPath.toString();
}
/**
* Check to see if the given artifact is one of the dependency artifacts for this plugin.
*
@ -828,10 +794,9 @@ public abstract class AbstractWebAppMojo extends AbstractMojo
if (pluginArtifacts == null)
return false;
return pluginArtifacts.stream().anyMatch(pa->pa.getGroupId().equals(artifact.getGroupId()) && pa.getArtifactId().equals(artifact.getArtifactId()));
return pluginArtifacts.stream().anyMatch(pa -> pa.getGroupId().equals(artifact.getGroupId()) && pa.getArtifactId().equals(artifact.getArtifactId()));
}
/**
* Check if the goal that we're executing as is excluded or not.
*
@ -874,6 +839,12 @@ public abstract class AbstractWebAppMojo extends AbstractMojo
return projectName;
}
/**
* Ensure there is a webapp, and that some basic defaults are applied
* if the user has not supplied them.
*
* @throws Exception
*/
protected void configureWebApp()
throws Exception
{
@ -902,6 +873,11 @@ public abstract class AbstractWebAppMojo extends AbstractMojo
getLog().info("Tmp directory = " + (webApp.getTempDirectory() == null ? " determined at runtime" : webApp.getTempDirectory()));
}
/**
* Configure a webapp that has not been assembled into a war.
*
* @throws Exception
*/
protected void configureUnassembledWebApp() throws Exception
{
//Set up the location of the webapp.
@ -932,7 +908,6 @@ public abstract class AbstractWebAppMojo extends AbstractMojo
if (useTestScope && (testClassesDirectory != null))
webApp.setTestClasses(testClassesDirectory);
List<File> webInfLibs = getWebInfLibArtifacts().stream()
.map(a ->
{
@ -977,8 +952,9 @@ public abstract class AbstractWebAppMojo extends AbstractMojo
}
}
//process any overlays and the war type artifacts
unpackOverlays(); //this sets up the base resource collection
//process any overlays and the war type artifacts, and
//sets up the base resource collection for the webapp
mavenProjectHelper.getOverlayManager().applyOverlays(webApp);
getLog().info("web.xml file = " + webApp.getDescriptor());
getLog().info("Webapp directory = " + webAppSourceDirectory.getCanonicalPath());
@ -1014,6 +990,10 @@ public abstract class AbstractWebAppMojo extends AbstractMojo
/**
* Get a file into which to write output from jetty.
*
* @param name
* @return
* @throws Exception
*/
protected File getJettyOutputFile(String name) throws Exception
{
@ -1024,11 +1004,49 @@ public abstract class AbstractWebAppMojo extends AbstractMojo
return outputFile;
}
/**
* Configure any extra files, directories or patterns thereof for the
* scanner to watch for changes.
*
* @param scanner PathWatcher that notices changes in files and dirs.
*/
protected void configureScanTargetsAndPatterns (PathWatcher scanner)
{
//handle the explicit extra scan targets
if (scanTargets != null)
{
for (File f:scanTargets)
{
if (f.isDirectory())
{
PathWatcher.Config config = new PathWatcher.Config(f.toPath());
config.setRecurseDepth(PathWatcher.Config.UNLIMITED_DEPTH);
scanner.watch(config);
}
else
scanner.watch(f.toPath());
}
}
//handle the extra scan patterns
if (scanTargetPatterns != null)
{
for (ScanTargetPattern p:scanTargetPatterns)
{
PathWatcher.Config config = new PathWatcher.Config(p.getDirectory().toPath());
config.setRecurseDepth(PathWatcher.Config.UNLIMITED_DEPTH);
for (String pattern:p.getExcludes())
config.addExcludeGlobRelative(pattern);
for (String pattern:p.getIncludes())
config.addIncludeGlobRelative(pattern);
scanner.watch(config);
}
}
}
/**
* Find which dependencies are suitable for addition to the virtual
* WEB-INF lib.
*
* @param mavenProject this project
*/
private Collection<Artifact> getWebInfLibArtifacts()
{

View File

@ -57,18 +57,12 @@ public class JettyEffectiveWebXml extends AbstractWebAppMojo
generate();
}
/**
*
*/
@Override
protected void startJettyForked() throws MojoExecutionException
{
generate();
}
/**
*
*/
@Override
protected void startJettyDistro() throws MojoExecutionException
{

View File

@ -120,13 +120,9 @@ public class JettyRunMojo extends AbstractWebAppMojo
forker = newJettyForker();
forker.setWaitForChild(true); //we run at the command line, echo child output and wait for it
forker.setScan(true); //have the forked child notice changes to the webapp
startScanner();
//TODO is it ok to start the scanner before we start jetty?
startScanner();
forker.start(); //forks jetty instance
}
catch (Exception e)
{
@ -141,10 +137,9 @@ public class JettyRunMojo extends AbstractWebAppMojo
{
distroForker = newJettyDistroForker();
distroForker.setWaitForChild(true); //we always run at the command line, echo child output and wait for it
//TODO is it ok to start the scanner before we start jetty?
startScanner();
distroForker.start(); //forks a jetty distro
//TODO is it ok to start the scanner before we start jetty?
}
catch (Exception e)
{
@ -263,37 +258,8 @@ public class JettyRunMojo extends AbstractWebAppMojo
scanner.watch(a.getFile().toPath());
}
//handle the explicit extra scan targets
if (scanTargets != null)
{
for (File f:scanTargets)
{
if (f.isDirectory())
{
PathWatcher.Config config = new PathWatcher.Config(f.toPath());
config.setRecurseDepth(PathWatcher.Config.UNLIMITED_DEPTH);
scanner.watch(config);
}
else
scanner.watch(f.toPath());
}
}
//handle the extra scan patterns
if (scanTargetPatterns != null)
{
for (ScanTargetPattern p:scanTargetPatterns)
{
PathWatcher.Config config = new PathWatcher.Config(p.getDirectory().toPath());
config.setRecurseDepth(PathWatcher.Config.UNLIMITED_DEPTH);
for (String pattern:p.getExcludes())
config.addExcludeGlobRelative(pattern);
for (String pattern:p.getIncludes())
config.addIncludeGlobRelative(pattern);
scanner.watch(config);
}
}
//set up any extra files or dirs to watch
configureScanTargetsAndPatterns(scanner);
scanner.watch(project.getFile().toPath());

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@ -50,7 +50,6 @@ import org.eclipse.jetty.util.StringUtil;
@Execute(phase = LifecyclePhase.PACKAGE)
public class JettyRunWarMojo extends AbstractWebAppMojo
{
//Start of parameters only valid for runType=EMBED
/**
* The interval in seconds to pause before checking if changes
* have occurred and re-deploying as necessary. A value
@ -186,6 +185,9 @@ public class JettyRunWarMojo extends AbstractWebAppMojo
scanner.watch(project.getFile().toPath());
scanner.watch(war);
//set up any extra files or dirs to watch
configureScanTargetsAndPatterns(scanner);
scanner.addListener(new PathWatcher.EventListListener()
{
@Override
@ -250,7 +252,7 @@ public class JettyRunWarMojo extends AbstractWebAppMojo
{
getLog().info("Reconfiguring scanner after change to pom.xml ...");
scanner.reset();
warArtifacts = null; ///TODO if the pom changes for the forked case, how would we get the forked process to stop and restart?
warArtifacts = null;
configureScanner();
}
@ -269,8 +271,7 @@ public class JettyRunWarMojo extends AbstractWebAppMojo
{
getLog().info("Reconfiguring scanner after change to pom.xml ...");
scanner.reset();
warArtifacts = null; //TODO if there are any changes to the pom, then we would have to tell the
//existing forked distro process to stop, then rerun the configuration and then refork - too complicated??!
warArtifacts = null;
configureScanner();
}
configureWebApp();

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@ -26,15 +26,14 @@ import org.apache.maven.plugins.annotations.ResolutionScope;
/**
* <p>
* This goal is similar to the jetty:run goal, EXCEPT that it is designed to be bound to an execution inside your pom, rather
* than being run from the command line.
* This goal is similar to the jetty:run goal in that it it starts jetty on an unassembled webapp,
* EXCEPT that it is designed to be bound to an execution inside your pom. Thus, this goal does NOT
* run a parallel build cycle, so you must be careful to ensure that you bind it to a phase in
* which all necessary generated files and classes for the webapp have been created.
* </p>
* <p>
* When using it, be careful to ensure that you bind it to a phase in which all necessary generated files and classes for the webapp
* will have been created. If you run it from the command line, then also ensure that all necessary generated files and classes for
* the webapp ALREADY exist.
* This goal will NOT scan for changes in either the webapp project or any scanTargets or scanTargetPatterns.
* </p>
*
*/
@Mojo(name = "start", requiresDependencyResolution = ResolutionScope.TEST)
@Execute(phase = LifecyclePhase.VALIDATE)
@ -67,7 +66,6 @@ public class JettyStartMojo extends AbstractWebAppMojo
}
}
/**
* Start the webapp in a forked jetty process. Use the
* jetty:stop goal to terminate.
@ -81,7 +79,6 @@ public class JettyStartMojo extends AbstractWebAppMojo
jetty.setWaitForChild(false); //we never wait for child
jetty.setJettyOutputFile(getJettyOutputFile("jetty-start.out"));
jetty.start(); //forks jetty instance
}
catch (Exception e)
{

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@ -83,7 +83,6 @@ public class JettyStartWarMojo extends AbstractWebAppMojo
}
}
/**
* Fork a jetty instance to run the given war.
*/
@ -123,13 +122,11 @@ public class JettyStartWarMojo extends AbstractWebAppMojo
}
}
/**
*
*/
@Override
protected void verifyPomConfiguration() throws MojoExecutionException
{
//Do not verify the configuration of the webapp, as we are deploying
//a random war instead.
//Do nothing here, as we want the user to configure a war to deploy,
//or we default to the webapp that is running the jetty plugin, but
//we need to delay that decision until configureWebApp().
}
}

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@ -28,6 +28,8 @@ import java.util.Set;
import org.apache.maven.artifact.Artifact;
import org.eclipse.jetty.util.resource.Resource;
import org.eclipse.jetty.util.resource.ResourceCollection;
import org.eclipse.jetty.webapp.WebAppContext;
/**
* OverlayManager
@ -44,6 +46,34 @@ public class OverlayManager
this.warPlugin = warPlugin;
}
public void applyOverlays (JettyWebAppContext webApp)
throws Exception
{
List<Resource> resourceBases = new ArrayList<Resource>();
for (Overlay o : getOverlays())
{
//can refer to the current project in list of overlays for ordering purposes
if (o.getConfig() != null && o.getConfig().isCurrentProject() && webApp.getBaseResource().exists())
{
resourceBases.add(webApp.getBaseResource());
continue;
}
//add in the selectively unpacked overlay in the correct order to the webapp's resource base
resourceBases.add(unpackOverlay(o));
}
if (!resourceBases.contains(webApp.getBaseResource()) && webApp.getBaseResource().exists())
{
if (webApp.getBaseAppFirst())
resourceBases.add(0, webApp.getBaseResource());
else
resourceBases.add(webApp.getBaseResource());
}
webApp.setBaseResource(new ResourceCollection(resourceBases.toArray(new Resource[resourceBases.size()])));
}
/**
* Generate an ordered list of overlays
*/