[MNG-6825] Replace FileUtils with Commons IO (#1067)

* [MNG-6825] Replace FileUtils with Commons IO

Co-authored-by: Moderne <team@moderne.io>

* Minor fixes and reverts where cases are not handled yet

* Drop explicit dependencies on plexus-utils

---------

Co-authored-by: Moderne <team@moderne.io>

maven-compat/pom.xml

@@ -80,10 +80,6 @@ under the License.
       <groupId>javax.inject</groupId>
       <artifactId>javax.inject</artifactId>
     </dependency>
-    <dependency>
-      <groupId>org.apache.maven</groupId>
-      <artifactId>plexus-utils</artifactId>
-    </dependency>
     <dependency>
       <groupId>org.codehaus.plexus</groupId>
       <artifactId>plexus-interpolation</artifactId>

maven-compat/src/main/java/org/apache/maven/artifact/repository/metadata/MetadataBridge.java

@@ -22,10 +22,10 @@
 import java.util.Collections;
 import java.util.Map;
 
+import org.apache.commons.io.FileUtils;
 import org.apache.maven.artifact.metadata.ArtifactMetadata;
 import org.apache.maven.artifact.repository.ArtifactRepository;
 import org.apache.maven.artifact.repository.DefaultArtifactRepository;
-import org.codehaus.plexus.util.FileUtils;
 import org.eclipse.aether.RepositoryException;
 import org.eclipse.aether.metadata.AbstractMetadata;
 import org.eclipse.aether.metadata.MergeableMetadata;

maven-compat/src/test/java/org/apache/maven/artifact/deployer/ArtifactDeployerTest.java

@@ -22,12 +22,12 @@
 
 import java.io.File;
 
+import org.apache.commons.io.FileUtils;
 import org.apache.maven.artifact.AbstractArtifactComponentTestCase;
 import org.apache.maven.artifact.Artifact;
 import org.apache.maven.artifact.repository.ArtifactRepository;
 import org.apache.maven.execution.MavenSession;
 import org.apache.maven.session.scope.internal.SessionScope;
-import org.codehaus.plexus.util.FileUtils;
 import org.junit.jupiter.api.Test;
 
 import static org.codehaus.plexus.testing.PlexusExtension.getBasedir;
@@ -60,14 +60,15 @@ public void testArtifactInstallation() throws Exception {
             Artifact artifact = createArtifact("artifact", "1.0");
 
             File file = new File(artifactBasedir, "artifact-1.0.jar");
-            assertEquals("dummy", FileUtils.fileRead(file, "UTF-8").trim());
+            assertEquals("dummy", FileUtils.readFileToString(file, "UTF-8").trim());
 
             artifactDeployer.deploy(file, artifact, remoteRepository(), localRepository());
 
             ArtifactRepository remoteRepository = remoteRepository();
             File deployedFile = new File(remoteRepository.getBasedir(), remoteRepository.pathOf(artifact));
             assertTrue(deployedFile.exists());
-            assertEquals("dummy", FileUtils.fileRead(deployedFile, "UTF-8").trim());
+            assertEquals(
+                    "dummy", FileUtils.readFileToString(deployedFile, "UTF-8").trim());
         } finally {
             sessionScope.exit();
         }

maven-core/pom.xml

@@ -123,6 +123,10 @@ under the License.
       <groupId>com.google.guava</groupId>
       <artifactId>failureaccess</artifactId>
     </dependency>
+    <dependency>
+      <groupId>commons-io</groupId>
+      <artifactId>commons-io</artifactId>
+    </dependency>
     <dependency>
       <groupId>javax.inject</groupId>
       <artifactId>javax.inject</artifactId>
@@ -154,11 +158,6 @@ under the License.
       <artifactId>commons-jxpath</artifactId>
       <scope>test</scope>
     </dependency>
-    <dependency>
-      <groupId>commons-io</groupId>
-      <artifactId>commons-io</artifactId>
-      <scope>test</scope>
-    </dependency>
     <dependency>
       <groupId>org.mockito</groupId>
       <artifactId>mockito-core</artifactId>

maven-core/src/main/java/org/apache/maven/project/artifact/ProjectArtifactMetadata.java

@@ -21,12 +21,12 @@
 import java.io.File;
 import java.io.IOException;
 
+import org.apache.commons.io.FileUtils;
 import org.apache.maven.artifact.Artifact;
 import org.apache.maven.artifact.metadata.AbstractArtifactMetadata;
 import org.apache.maven.artifact.metadata.ArtifactMetadata;
 import org.apache.maven.artifact.repository.ArtifactRepository;
 import org.apache.maven.artifact.repository.metadata.RepositoryMetadataStoreException;
-import org.codehaus.plexus.util.FileUtils;
 
 /**
  * Attach a POM to an artifact.

maven-core/src/test/java/org/apache/maven/artifact/handler/ArtifactHandlerTest.java

@@ -23,9 +23,9 @@
 import java.io.File;
 import java.util.List;
 
+import org.apache.commons.io.FileUtils;
 import org.codehaus.plexus.PlexusContainer;
 import org.codehaus.plexus.testing.PlexusTest;
-import org.codehaus.plexus.util.FileUtils;
 import org.junit.jupiter.api.Test;
 
 import static org.codehaus.plexus.testing.PlexusExtension.getTestFile;
@@ -40,7 +40,7 @@ public class ArtifactHandlerTest {
     public void testAptConsistency() throws Exception {
         File apt = getTestFile("src/site/apt/artifact-handlers.apt");
 
-        List<String> lines = FileUtils.loadFile(apt);
+        List<String> lines = FileUtils.readLines(apt);
 
         for (String line : lines) {
             if (line.startsWith("||")) {

maven-core/src/test/java/org/apache/maven/internal/impl/TestRepositorySystem.java

@@ -29,6 +29,7 @@
 import java.util.List;
 import java.util.Map;
 
+import org.apache.commons.io.FileUtils;
 import org.apache.maven.api.model.Model;
 import org.apache.maven.artifact.Artifact;
 import org.apache.maven.artifact.DefaultArtifact;
@@ -55,7 +56,6 @@
 import org.apache.maven.settings.Mirror;
 import org.apache.maven.settings.Proxy;
 import org.apache.maven.settings.Server;
-import org.codehaus.plexus.util.FileUtils;
 import org.codehaus.plexus.util.StringUtils;
 import org.eclipse.aether.RepositorySystemSession;
 

maven-core/src/test/java/org/apache/maven/repository/TestRepositoryConnector.java

@@ -24,7 +24,7 @@
 import java.net.URL;
 import java.util.Collection;
 
-import org.codehaus.plexus.util.FileUtils;
+import org.apache.commons.io.FileUtils;
 import org.eclipse.aether.artifact.Artifact;
 import org.eclipse.aether.metadata.Metadata;
 import org.eclipse.aether.repository.RemoteRepository;

maven-core/src/test/java/org/apache/maven/repository/TestRepositorySystem.java

@@ -30,6 +30,7 @@
 import java.util.Map;
 import java.util.stream.Collectors;
 
+import org.apache.commons.io.FileUtils;
 import org.apache.maven.api.model.Model;
 import org.apache.maven.artifact.Artifact;
 import org.apache.maven.artifact.DefaultArtifact;
@@ -52,7 +53,6 @@
 import org.apache.maven.settings.Mirror;
 import org.apache.maven.settings.Proxy;
 import org.apache.maven.settings.Server;
-import org.codehaus.plexus.util.FileUtils;
 import org.codehaus.plexus.util.StringUtils;
 import org.eclipse.aether.RepositorySystemSession;
 

maven-embedder/pom.xml

@@ -107,10 +107,6 @@ under the License.
       <groupId>javax.annotation</groupId>
       <artifactId>javax.annotation-api</artifactId>
     </dependency>
-    <dependency>
-      <groupId>org.apache.maven</groupId>
-      <artifactId>plexus-utils</artifactId>
-    </dependency>
     <dependency>
       <groupId>org.codehaus.plexus</groupId>
       <artifactId>plexus-classworlds</artifactId>

maven-embedder/src/test/java/org/apache/maven/cli/CLIManagerDocumentationTest.java

@@ -27,7 +27,7 @@
 import java.util.List;
 
 import org.apache.commons.cli.Option;
-import org.codehaus.plexus.util.FileUtils;
+import org.apache.commons.io.FileUtils;
 import org.junit.jupiter.api.Test;
 
 /**
@@ -88,6 +88,6 @@ public String getOptionsAsHtml() {
     @Test
     public void testOptionsAsHtml() throws IOException {
         File options = new File("target/test-classes/options.html");
-        FileUtils.fileWrite(options, "UTF-8", getOptionsAsHtml());
+        FileUtils.write(options, getOptionsAsHtml(), "UTF-8");
     }
 }