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Issue #5086 Review and rework o.e.j.util.Scanner #5744

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merged 11 commits into from Dec 2, 2020
Merged

Issue #5086 Review and rework o.e.j.util.Scanner #5744

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4883332
Issue #5086 Review and rework o.e.j.util.Scanner
janbartel Dec 1, 2020
4304c78
Issue #5086 Improve ScannerTest
janbartel Dec 1, 2020
115a72d
Issue #5086 Fix checkstyle in test
janbartel Dec 1, 2020
90e48ba
Issue #5086 Fix javadoc
janbartel Dec 1, 2020
31cc298
Issue #5086 Changes after review
janbartel Dec 1, 2020
e39ec6c
Issue #5086 Fix error on addFile
janbartel Dec 2, 2020
c776eeb
Merge remote-tracking branch 'origin/jetty-10.0.x' into jetty-10.0.x-…
janbartel Dec 2, 2020
8fe8cb8
Issue #5086 Add blocking method for immediate scan.
janbartel Dec 2, 2020
97b3f26
Fixed scan(Callback) bug, returning early in case of failures.
sbordet Dec 2, 2020
fe0e076
Using capital case for static final field.
sbordet Dec 2, 2020
9c882ee
Improved KeyStoreScanner.scan().
sbordet Dec 2, 2020
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3 changes: 2 additions & 1 deletion jetty-ant/src/main/java/org/eclipse/jetty/ant/ServerProxyImpl.java
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Expand Up @@ -24,6 +24,7 @@
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import java.util.Set;

import org.eclipse.jetty.ant.types.Connector;
import org.eclipse.jetty.ant.types.ContextHandlers;
Expand Down Expand Up @@ -135,7 +136,7 @@ public WebAppScannerListener(AntWebAppContext awc)
}

@Override
public void filesChanged(List<String> changedFileNames)
public void filesChanged(Set<String> changedFileNames)
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Don't like this. File names are unique by definition, so there is no risk of duplicates. I would not add additional randomness caused by Set. If I really don't care, I'd use Collection -- the Set is supposed to be immutable anyway, right?

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Not sure I understand your point. If it's a List then by definition I can have duplicates in a List, but I can't in a Set. Plus, you can't rely on ordering as it depends on the filesystem in what order scanned directories are visited, so List is a furphy.

{
boolean isScanned = false;
try
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1 change: 0 additions & 1 deletion jetty-deploy/src/main/java/org/eclipse/jetty/deploy/providers/ScanningAppProvider.java
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Expand Up @@ -140,7 +140,6 @@ protected void doStart() throws Exception
_scanner = new Scanner();
_scanner.setScanDirs(files);
_scanner.setScanInterval(_scanInterval);
_scanner.setRecursive(_recursive);
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Scanner.setRecursive() was deprecated, but there is no Javadoc about why.
This is the only usage of ScanningAppProvider._recursive which then should also be deprecated and removed?

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Done.

_scanner.setFilenameFilter(_filenameFilter);
_scanner.setReportDirs(true);
_scanner.setScanDepth(1); //consider direct dir children of monitored dir
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9 changes: 7 additions & 2 deletions ...c/test/java/org/eclipse/jetty/deploy/providers/ScanningAppProviderRuntimeUpdatesTest.java
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Expand Up @@ -76,10 +76,15 @@ public void setupEnvironment() throws Exception
if (provider instanceof ScanningAppProvider)
{
_providers++;
((ScanningAppProvider)provider).addScannerListener(new Scanner.ScanListener()
((ScanningAppProvider)provider).addScannerListener(new Scanner.ScanCycleListener()
{
@Override
public void scan()
public void scanStarted(int cycle)
{
}

@Override
public void scanEnded(int cycle)
{
_scans.incrementAndGet();
}
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4 changes: 2 additions & 2 deletions jetty-maven-plugin/src/main/java/org/eclipse/jetty/maven/plugin/JettyRunMojo.java
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Expand Up @@ -22,7 +22,7 @@
import java.nio.file.Path;
import java.nio.file.PathMatcher;
import java.util.Date;
import java.util.List;
import java.util.Set;

import org.apache.maven.artifact.Artifact;
import org.apache.maven.plugin.MojoExecutionException;
Expand Down Expand Up @@ -191,7 +191,7 @@ protected void configureScanner()
}
scanner.addListener(new Scanner.BulkListener()
{
public void filesChanged(List<String> changes)
public void filesChanged(Set<String> changes)
{
try
{
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4 changes: 2 additions & 2 deletions jetty-maven-plugin/src/main/java/org/eclipse/jetty/maven/plugin/JettyRunWarMojo.java
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Expand Up @@ -22,7 +22,7 @@
import java.nio.file.Path;
import java.nio.file.Paths;
import java.util.Date;
import java.util.List;
import java.util.Set;

import org.apache.maven.plugin.MojoExecutionException;
import org.apache.maven.plugins.annotations.Execute;
Expand Down Expand Up @@ -197,7 +197,7 @@ public void configureScanner() throws MojoExecutionException
configureScanTargetPatterns(scanner);
scanner.addListener(new Scanner.BulkListener()
{
public void filesChanged(List<String> changes)
public void filesChanged(Set<String> changes)
{
try
{
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