[MSHARED-1078] Update parent POM and drop maven-shared-utils (#27)

Update parent POM, project to Java8 and get rid of bad
dependency maven-shared-util.

pom.xml

@@ -23,7 +23,7 @@
   <parent>
     <artifactId>maven-shared-components</artifactId>
     <groupId>org.apache.maven.shared</groupId>
-    <version>34</version>
+    <version>36</version>
     <relativePath />
   </parent>
 
@@ -55,49 +55,19 @@
   </distributionManagement>
 
   <properties>
-    <maven.version>3.1.1</maven.version>
-    <javaVersion>7</javaVersion>
+    <maven.version>3.2.5</maven.version>
+    <javaVersion>8</javaVersion>
     <resolver.version>1.6.3</resolver.version>
     <surefire.version>2.22.2</surefire.version>
     <checkstyle.violation.ignore>MethodLength</checkstyle.violation.ignore>
     <project.build.outputTimestamp>2021-02-14T00:03:59Z</project.build.outputTimestamp>
   </properties>
-
-  <build>
-    <pluginManagement>
-      <plugins>
-        <!-- remove with parent-pom update -->
-        <plugin>
-          <groupId>org.apache.maven.plugins</groupId>
-          <artifactId>maven-jxr-plugin</artifactId>
-          <version>3.0.0</version>
-        </plugin>
-        <plugin>
-          <artifactId>maven-enforcer-plugin</artifactId>
-          <version>3.0.0-M3</version>
-        </plugin>
-        <plugin>
-          <artifactId>maven-site-plugin</artifactId>
-          <version>3.9.1</version>
-        </plugin>
-        <plugin>
-          <artifactId>maven-project-info-reports-plugin</artifactId>
-          <version>3.1.1</version>
-        </plugin>
-        <plugin>
-          <groupId>org.apache.maven.plugins</groupId>
-          <artifactId>maven-javadoc-plugin</artifactId>
-          <version>3.2.0</version>
-        </plugin>
-      </plugins>
-    </pluginManagement>
-  </build>
 
   <dependencies>
     <dependency>
       <groupId>org.slf4j</groupId>
       <artifactId>slf4j-api</artifactId>
-      <version>1.7.25</version>
+      <version>1.7.36</version>
     </dependency>
 
     <dependency>
@@ -127,7 +97,7 @@
     <dependency>
       <groupId>commons-io</groupId>
       <artifactId>commons-io</artifactId>
-      <version>2.6</version>
+      <version>2.11.0</version>
     </dependency>
     <dependency>
       <groupId>org.apache.maven.resolver</groupId>
@@ -142,12 +112,6 @@
       <scope>provided</scope>
     </dependency>
 
-    <dependency>
-      <groupId>org.apache.maven.shared</groupId>
-      <artifactId>maven-shared-utils</artifactId>
-      <version>3.3.3</version>
-    </dependency>
-
     <dependency>
       <groupId>junit</groupId>
       <artifactId>junit</artifactId>
@@ -157,13 +121,13 @@
     <dependency>
       <groupId>org.mockito</groupId>
       <artifactId>mockito-core</artifactId>
-      <version>2.28.2</version>
+      <version>4.5.1</version>
       <scope>test</scope>
     </dependency>
     <dependency>
       <groupId>org.apache.maven.plugin-testing</groupId>
       <artifactId>maven-plugin-testing-harness</artifactId>
-      <version>3.1.0</version>
+      <version>3.3.0</version>
       <scope>test</scope>
       <exclusions>
         <exclusion>
@@ -175,13 +139,13 @@
     <dependency>
       <groupId>org.openjdk.jmh</groupId>
       <artifactId>jmh-core</artifactId>
-      <version>1.27</version>
+      <version>1.35</version>
       <scope>test</scope>
     </dependency>
     <dependency>
       <groupId>org.openjdk.jmh</groupId>
       <artifactId>jmh-generator-annprocess</artifactId>
-      <version>1.27</version>
+      <version>1.35</version>
       <scope>test</scope>
     </dependency>
   </dependencies>

src/main/java/org/apache/maven/shared/artifact/filter/collection/AbstractArtifactFeatureFilter.java

@@ -26,7 +26,8 @@
 import java.util.Set;
 
 import org.apache.maven.artifact.Artifact;
-import org.apache.maven.shared.utils.StringUtils;
+
+import static org.apache.maven.shared.artifact.filter.internal.Utils.isNotEmpty;
 
 /**
  * This is the common base class of ClassifierFilter and TypeFilter
@@ -158,9 +159,9 @@ private Set<Artifact> filterExcludes( Set<Artifact> artifacts, List<String> theE
      */
     public void setExcludes( String excludeString )
     {
-        if ( StringUtils.isNotEmpty( excludeString ) )
+        if ( isNotEmpty( excludeString ) )
         {
-            this.excludes = Arrays.asList( StringUtils.split( excludeString, "," ) );
+            this.excludes = Arrays.asList( excludeString.split( "," ) );
         }
     }
 
@@ -171,9 +172,9 @@ public void setExcludes( String excludeString )
      */
     public void setIncludes( String includeString )
     {
-        if ( StringUtils.isNotEmpty( includeString ) )
+        if ( isNotEmpty( includeString ) )
         {
-            this.includes = Arrays.asList( StringUtils.split( includeString, "," ) );
+            this.includes = Arrays.asList( includeString.split( "," ) );
         }
     }
 

src/main/java/org/apache/maven/shared/artifact/filter/collection/ScopeFilter.java

@@ -25,7 +25,8 @@
 import org.apache.maven.artifact.Artifact;
 import org.apache.maven.artifact.resolver.filter.ArtifactFilter;
 import org.apache.maven.artifact.resolver.filter.ScopeArtifactFilter;
-import org.apache.maven.shared.utils.StringUtils;
+
+import static org.apache.maven.shared.artifact.filter.internal.Utils.isNotEmpty;
 
 /**
  * <p>ScopeFilter class.</p>
@@ -63,7 +64,7 @@ public Set<Artifact> filter( Set<Artifact> artifacts )
     {
         Set<Artifact> results = artifacts;
 
-        if ( StringUtils.isNotEmpty( includeScope ) )
+        if ( isNotEmpty( includeScope ) )
         {
             if ( !Artifact.SCOPE_COMPILE.equals( includeScope ) && !Artifact.SCOPE_TEST.equals( includeScope )
                 && !Artifact.SCOPE_PROVIDED.equals( includeScope ) && !Artifact.SCOPE_RUNTIME.equals( includeScope )
@@ -91,7 +92,7 @@ public Set<Artifact> filter( Set<Artifact> artifacts )
                 }
             }
         }
-        else if ( StringUtils.isNotEmpty( excludeScope ) )
+        else if ( isNotEmpty( excludeScope ) )
         {
             if ( !Artifact.SCOPE_COMPILE.equals( excludeScope ) && !Artifact.SCOPE_TEST.equals( excludeScope )
                 && !Artifact.SCOPE_PROVIDED.equals( excludeScope ) && !Artifact.SCOPE_RUNTIME.equals( excludeScope )

src/main/java/org/apache/maven/shared/artifact/filter/internal/Utils.java

@@ -0,0 +1,44 @@
+package org.apache.maven.shared.artifact.filter.internal;
+
+/*
+ * 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.
+ */
+
+/**
+ * Utilities.
+ *
+ * @since TBD
+ */
+public final class Utils
+{
+    private Utils()
+    {
+    }
+
+    /**
+     * <p>Checks if a String is non <code>null</code> and is
+     * not empty (<code>length &gt; 0</code>).</p>
+     *
+     * @param str the String to check
+     * @return true if the String is non-null, and not length zero
+     */
+    public static boolean isNotEmpty( String str )
+    {
+        return ( ( str != null ) && ( str.length() > 0 ) );
+    }
+}