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The following commit(s) were added to refs/heads/master by this push:
new 82c737e Improve the performance of BannedDependencies (#367)
82c737e is described below
commit 82c737e0fe0bafd983d45b708e2951af05cbe538
Author: harrisric <48761651+harris...@users.noreply.github.com>
AuthorDate: Mon Jun 9 20:28:03 2025 +0100
Improve the performance of BannedDependencies (#367)
* Improve the performance of BannedDependencies by preparing and re-using a
predicate.
---
.../rules/dependency/BannedDependencies.java | 16 ++++++-
.../enforcer/rules/utils/ArtifactMatcher.java | 55 ++++++++++++----------
.../maven/enforcer/rules/utils/ArtifactUtils.java | 40 +++++++++++++---
.../rules/dependency/BannedDependenciesTest.java | 6 ---
4 files changed, 77 insertions(+), 40 deletions(-)
diff --git
a/enforcer-rules/src/main/java/org/apache/maven/enforcer/rules/dependency/BannedDependencies.java
b/enforcer-rules/src/main/java/org/apache/maven/enforcer/rules/dependency/BannedDependencies.java
index 3a03f5e..0ded3f8 100644
---
a/enforcer-rules/src/main/java/org/apache/maven/enforcer/rules/dependency/BannedDependencies.java
+++
b/enforcer-rules/src/main/java/org/apache/maven/enforcer/rules/dependency/BannedDependencies.java
@@ -21,7 +21,10 @@ package org.apache.maven.enforcer.rules.dependency;
import javax.inject.Inject;
import javax.inject.Named;
+import java.util.function.Predicate;
+
import org.apache.maven.artifact.Artifact;
+import org.apache.maven.enforcer.rule.api.EnforcerRuleException;
import org.apache.maven.enforcer.rules.utils.ArtifactUtils;
import org.apache.maven.execution.MavenSession;
@@ -33,15 +36,24 @@ import org.apache.maven.execution.MavenSession;
@Named("bannedDependencies")
public final class BannedDependencies extends BannedDependenciesBase {
+ private Predicate<Artifact> shouldExclude;
+ private Predicate<Artifact> shouldInclude;
+
@Inject
BannedDependencies(MavenSession session, ResolverUtil resolverUtil) {
super(session, resolverUtil);
}
+ @Override
+ public void execute() throws EnforcerRuleException {
+ shouldExclude =
ArtifactUtils.prepareDependencyArtifactMatcher(getExcludes());
+ shouldInclude =
ArtifactUtils.prepareDependencyArtifactMatcher(getIncludes());
+ super.execute();
+ }
+
@Override
protected boolean validate(Artifact artifact) {
- return !ArtifactUtils.matchDependencyArtifact(artifact, getExcludes())
- || ArtifactUtils.matchDependencyArtifact(artifact,
getIncludes());
+ return !shouldExclude.test(artifact) || shouldInclude.test(artifact);
}
@Override
diff --git
a/enforcer-rules/src/main/java/org/apache/maven/enforcer/rules/utils/ArtifactMatcher.java
b/enforcer-rules/src/main/java/org/apache/maven/enforcer/rules/utils/ArtifactMatcher.java
index 55d4775..7d90039 100644
---
a/enforcer-rules/src/main/java/org/apache/maven/enforcer/rules/utils/ArtifactMatcher.java
+++
b/enforcer-rules/src/main/java/org/apache/maven/enforcer/rules/utils/ArtifactMatcher.java
@@ -44,9 +44,10 @@ public final class ArtifactMatcher {
* @author I don't know
*/
public static class Pattern {
- private String pattern;
+ private final String pattern;
- private String[] parts;
+ private final String[] parts;
+ private final java.util.regex.Pattern[] partsRegex;
public Pattern(String pattern) {
if (pattern == null) {
@@ -66,6 +67,7 @@ public final class ArtifactMatcher {
throw new IllegalArgumentException("Pattern or its part is
empty.");
}
}
+ partsRegex = new java.util.regex.Pattern[parts.length];
}
public boolean match(Artifact artifact) {
@@ -103,7 +105,7 @@ public final class ArtifactMatcher {
throws InvalidVersionSpecificationException {
switch (parts.length) {
case 6:
- if (!matches(parts[5], classifier)) {
+ if (!matches(5, classifier)) {
return false;
}
case 5:
@@ -111,7 +113,7 @@ public final class ArtifactMatcher {
scope = Artifact.SCOPE_COMPILE;
}
- if (!matches(parts[4], scope)) {
+ if (!matches(4, scope)) {
return false;
}
case 4:
@@ -119,12 +121,12 @@ public final class ArtifactMatcher {
type = "jar";
}
- if (!matches(parts[3], type)) {
+ if (!matches(3, type)) {
return false;
}
case 3:
- if (!matches(parts[2], version)) {
+ if (!matches(2, version)) {
if (!containsVersion(
VersionRange.createFromVersionSpec(parts[2]),
new DefaultArtifactVersion(version))) {
return false;
@@ -132,33 +134,36 @@ public final class ArtifactMatcher {
}
case 2:
- if (!matches(parts[1], artifactId)) {
+ if (!matches(1, artifactId)) {
return false;
}
case 1:
- return matches(parts[0], groupId);
+ return matches(0, groupId);
default:
throw new AssertionError();
}
}
- private boolean matches(String expression, String input) {
- String regex = expression
- .replace(".", "\\.")
- .replace("*", ".*")
- .replace(":", "\\:")
- .replace('?', '.')
- .replace("[", "\\[")
- .replace("]", "\\]")
- .replace("(", "\\(")
- .replace(")", "\\)");
-
- // TODO: Check if this can be done better or prevented earlier.
- if (input == null) {
- input = "";
+ private boolean matches(int index, String input) {
+ // return matches(parts[index], input);
+ if (partsRegex[index] == null) {
+ String regex = parts[index]
+ .replace(".", "\\.")
+ .replace("*", ".*")
+ .replace(":", "\\:")
+ .replace('?', '.')
+ .replace("[", "\\[")
+ .replace("]", "\\]")
+ .replace("(", "\\(")
+ .replace(")", "\\)");
+
+ // TODO: Check if this can be done better or prevented earlier.
+ if (input == null) {
+ input = "";
+ }
+ partsRegex[index] = java.util.regex.Pattern.compile(regex);
}
-
- return java.util.regex.Pattern.matches(regex, input);
+ return partsRegex[index].matcher(input).matches();
}
@Override
@@ -232,7 +237,7 @@ public final class ArtifactMatcher {
} else {
// only singular versions ever have a recommendedVersion
int compareTo = recommendedVersion.compareTo(theVersion);
- return (compareTo <= 0);
+ return compareTo <= 0;
}
}
}
diff --git
a/enforcer-rules/src/main/java/org/apache/maven/enforcer/rules/utils/ArtifactUtils.java
b/enforcer-rules/src/main/java/org/apache/maven/enforcer/rules/utils/ArtifactUtils.java
index 4f8138c..5c7bc42 100644
---
a/enforcer-rules/src/main/java/org/apache/maven/enforcer/rules/utils/ArtifactUtils.java
+++
b/enforcer-rules/src/main/java/org/apache/maven/enforcer/rules/utils/ArtifactUtils.java
@@ -20,7 +20,9 @@ package org.apache.maven.enforcer.rules.utils;
import java.util.Collection;
import java.util.Set;
+import java.util.function.Predicate;
import java.util.stream.Collectors;
+import java.util.stream.Stream;
import org.apache.commons.lang3.StringUtils;
import org.apache.maven.RepositoryUtils;
@@ -84,6 +86,21 @@ public final class ArtifactUtils {
}
}
+ /**
+ * Prepares patterns directly into a reusable predicate.
+ * This can improve efficiency where there are lots of patterns and/or
artifacts to match.
+ *
+ * @param patterns the patterns to use for the predicate
+ * @return a re-usable predicate equivalent to that which would be created
in {@link #matchDependencyArtifact(Artifact, Collection)}.
+ */
+ public static Predicate<Artifact>
prepareDependencyArtifactMatcher(Collection<String> patterns) {
+ return cleansePatterns(patterns)
+ .map(ArtifactMatcher.Pattern::new)
+ .map(pattern -> (Predicate<Artifact>) pattern::match)
+ .reduce(Predicate::or)
+ .orElse(test -> false);
+ }
+
/**
* Checks if the given dependency artifact matches the given collection of
patterns
*
@@ -93,13 +110,7 @@ public final class ArtifactUtils {
*/
public static boolean matchDependencyArtifact(Artifact artifact,
Collection<String> patterns) {
try {
- return ofNullable(patterns)
- .map(collection -> collection.stream()
- .map(p -> p.split(":"))
- .map(StringUtils::stripAll)
- .map(arr -> String.join(":", arr))
- .anyMatch(pattern -> compareDependency(pattern,
artifact)))
- .orElse(false);
+ return cleansePatterns(patterns).anyMatch(pattern ->
compareDependency(pattern, artifact));
} catch (IllegalArgumentException e) {
if (e.getCause() instanceof InvalidVersionSpecificationException) {
throw new IllegalArgumentException(e.getMessage());
@@ -108,6 +119,21 @@ public final class ArtifactUtils {
}
}
+ /**
+ * Cleans the patterns provided ready for use in {@link
ArtifactMatcher.Pattern}
+ *
+ * @param patterns the patterns to be cleaned
+ * @return a Stream of the patterns prepared for use.
+ */
+ private static Stream<String> cleansePatterns(Collection<String> patterns)
{
+ return ofNullable(patterns)
+ .map(collection -> collection.stream()
+ .map(p -> p.split(":"))
+ .map(StringUtils::stripAll)
+ .map(arr -> String.join(":", arr)))
+ .orElse(Stream.empty());
+ }
+
/**
* Compares the given pattern against the given artifact. The pattern
should follow the format
* <code>groupId:artifactId:version:type:scope:classifier</code>.
diff --git
a/enforcer-rules/src/test/java/org/apache/maven/enforcer/rules/dependency/BannedDependenciesTest.java
b/enforcer-rules/src/test/java/org/apache/maven/enforcer/rules/dependency/BannedDependenciesTest.java
index 7cba41e..1f45316 100644
---
a/enforcer-rules/src/test/java/org/apache/maven/enforcer/rules/dependency/BannedDependenciesTest.java
+++
b/enforcer-rules/src/test/java/org/apache/maven/enforcer/rules/dependency/BannedDependenciesTest.java
@@ -160,9 +160,6 @@ class BannedDependenciesTest {
@Test
void invalidExcludeFormat() throws Exception {
- when(session.getCurrentProject()).thenReturn(project);
-
when(project.getDependencyArtifacts()).thenReturn(ARTIFACT_STUB_FACTORY.getScopedArtifacts());
-
rule.setSearchTransitive(false);
rule.setExcludes(Collections.singletonList("::::::::::"));
@@ -171,9 +168,6 @@ class BannedDependenciesTest {
@Test
void invalidIncludeFormat() throws Exception {
- when(session.getCurrentProject()).thenReturn(project);
-
when(project.getDependencyArtifacts()).thenReturn(ARTIFACT_STUB_FACTORY.getScopedArtifacts());
-
rule.setSearchTransitive(false);
rule.setExcludes(Collections.singletonList("*"));
rule.setIncludes(Collections.singletonList("*:*:x:x:x:x:x:x:x:x:"));
