This is an automated email from the ASF dual-hosted git repository. slachiewicz pushed a commit to branch MSHARED-785 in repository https://gitbox.apache.org/repos/asf/maven-dependency-analyzer.git
commit 618629610ada380278b2d3b73e89be5cfc6d2e51 Author: jhaber <[email protected]> AuthorDate: Mon Aug 3 10:43:38 2020 -0400 [MSHARED-785] Make ConstantPoolParser ignore classes in unnamed package Closes #21 --- .../analyzer/asm/ConstantPoolParser.java | 14 +++++++- .../DefaultProjectDependencyAnalyzerTest.java | 24 +++++++++++++ .../resources/unnamedPackageClassReference/pom.xml | 41 ++++++++++++++++++++++ .../java/unnamedPackageClassReference/Project.java | 31 ++++++++++++++++ 4 files changed, 109 insertions(+), 1 deletion(-) diff --git a/src/main/java/org/apache/maven/shared/dependency/analyzer/asm/ConstantPoolParser.java b/src/main/java/org/apache/maven/shared/dependency/analyzer/asm/ConstantPoolParser.java index 81494ed..8ff1ccd 100644 --- a/src/main/java/org/apache/maven/shared/dependency/analyzer/asm/ConstantPoolParser.java +++ b/src/main/java/org/apache/maven/shared/dependency/analyzer/asm/ConstantPoolParser.java @@ -170,7 +170,13 @@ public class ConstantPoolParser Set<String> result = new HashSet<>(); for ( Integer aClass : classes ) { - result.add( stringConstants.get( aClass ) ); + String className = stringConstants.get( aClass ); + + // filter out things from unnamed package, probably a false-positive + if ( isImportableClass( className ) ) + { + result.add( className ); + } } return result; } @@ -207,4 +213,10 @@ public class ConstantPoolParser ( (Buffer) buf ).limit( oldLimit ); return sb.toString(); } + + private static boolean isImportableClass( String className ) + { + // without a slash, class must be in unnamed package, which can't be imported + return className.indexOf( '/' ) != -1; + } } diff --git a/src/test/java/org/apache/maven/shared/dependency/analyzer/DefaultProjectDependencyAnalyzerTest.java b/src/test/java/org/apache/maven/shared/dependency/analyzer/DefaultProjectDependencyAnalyzerTest.java index cefd20e..884d734 100644 --- a/src/test/java/org/apache/maven/shared/dependency/analyzer/DefaultProjectDependencyAnalyzerTest.java +++ b/src/test/java/org/apache/maven/shared/dependency/analyzer/DefaultProjectDependencyAnalyzerTest.java @@ -32,6 +32,7 @@ import org.apache.maven.shared.test.plugin.ProjectTool; import org.apache.maven.shared.test.plugin.RepositoryTool; import org.apache.maven.shared.test.plugin.TestToolsException; import org.codehaus.plexus.PlexusTestCase; +import org.junit.Assume; import java.io.File; import java.util.Arrays; @@ -421,6 +422,29 @@ public class DefaultProjectDependencyAnalyzerTest assertEquals( expectedAnalysis, actualAnalysis ); } + public void testUnnamedPackageClassReference() + throws TestToolsException, ProjectDependencyAnalyzerException + { + Assume.assumeTrue( SystemUtils.isJavaVersionAtLeast( JavaVersion.JAVA_1_8 ) ); + + // Only visible through constant pool analysis (supported for JDK8+) + compileProject( "unnamedPackageClassReference/pom.xml" ); + + MavenProject project = getProject( "unnamedPackageClassReference/pom.xml" ); + + ProjectDependencyAnalysis actualAnalysis = analyzer.analyze( project ); + + Artifact dnsjava = createArtifact( "dnsjava", "dnsjava", "jar", "2.1.8", "compile" ); + // we don't use any dnsjava classes so this should show up as an unused dep + Set<Artifact> unusedDeclaredArtifacts = Collections.singleton( dnsjava ); + + ProjectDependencyAnalysis expectedAnalysis = + new ProjectDependencyAnalysis( new HashSet<Artifact>(), new HashSet<Artifact>(), unusedDeclaredArtifacts, + new HashSet<Artifact>() ); + + assertEquals( expectedAnalysis, actualAnalysis ); + } + // private methods -------------------------------------------------------- private void compileProject( String pomPath ) diff --git a/src/test/resources/unnamedPackageClassReference/pom.xml b/src/test/resources/unnamedPackageClassReference/pom.xml new file mode 100644 index 0000000..bd79056 --- /dev/null +++ b/src/test/resources/unnamedPackageClassReference/pom.xml @@ -0,0 +1,41 @@ +<?xml version="1.0" encoding="UTF-8"?> + +<!-- + ~ Licensed to the Apache Software Foundation (ASF) under one + ~ or more contributor license agreements. See the NOTICE file + ~ distributed with this work for additional information + ~ regarding copyright ownership. The ASF licenses this file + ~ to you under the Apache License, Version 2.0 (the + ~ "License"); you may not use this file except in compliance + ~ with the License. You may obtain a copy of the License at + ~ + ~ http://www.apache.org/licenses/LICENSE-2.0 + ~ + ~ Unless required by applicable law or agreed to in writing, + ~ software distributed under the License is distributed on an + ~ "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + ~ KIND, either express or implied. See the License for the + ~ specific language governing permissions and limitations + ~ under the License. + --> + +<project + xmlns="http://maven.apache.org/POM/4.0.0"; + xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"; + xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd"; +> + <modelVersion>4.0.0</modelVersion> + + <groupId>org.apache.maven.shared.dependency-analyzer.tests</groupId> + <artifactId>unnamedPackageClassReference</artifactId> + <version>1.0</version> + <packaging>jar</packaging> + + <dependencies> + <dependency> + <groupId>dnsjava</groupId> + <artifactId>dnsjava</artifactId> + <version>2.1.8</version> + </dependency> + </dependencies> +</project> diff --git a/src/test/resources/unnamedPackageClassReference/src/main/java/unnamedPackageClassReference/Project.java b/src/test/resources/unnamedPackageClassReference/src/main/java/unnamedPackageClassReference/Project.java new file mode 100644 index 0000000..ff6c63a --- /dev/null +++ b/src/test/resources/unnamedPackageClassReference/src/main/java/unnamedPackageClassReference/Project.java @@ -0,0 +1,31 @@ +package unnamedPackageClassReference; + +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ + +public class Project +{ + // dnsjava 2.1.8 includes a class called "update" + public static final String UPDATE = "update"; + + public Project() + { + // no op + } +}
