[MNG-6829] Replace StringUtils#isEmpty(String) and #isNotEmpty(String) (#205)

Continuation of https://issues.apache.org/jira/browse/MNG-6829 Review requested of @elharo Use this link to re-run the recipe: https://public.moderne.io/recipes/org.openrewrite.java.migrate.apache.commons.lang.IsNotEmptyToJdk?organizationId=QXBhY2hlIE1hdmVu Co-authored-by: Moderne <team@moderne.io>

Author: timtebeek

src/main/java/org/apache/maven/plugins/javadoc/AbstractFixJavadocMojo.java

@@ -478,9 +478,9 @@ protected String getArtifactType(MavenProject p) {
  * @return the list of source paths for the given project.
  */
  protected List<String> getProjectSourceRoots(MavenProject p) {
- return (p.getCompileSourceRoots() == null
+ return p.getCompileSourceRoots() == null
  ? Collections.<String>emptyList()
- : new LinkedList<>(p.getCompileSourceRoots()));
+ : new LinkedList<>(p.getCompileSourceRoots());
  }
 
  /**
@@ -490,9 +490,9 @@ protected List<String> getProjectSourceRoots(MavenProject p) {
  * if any
  */
  protected List<String> getCompileClasspathElements(MavenProject p) throws DependencyResolutionRequiredException {
- return (p.getCompileClasspathElements() == null
+ return p.getCompileClasspathElements() == null
  ? Collections.<String>emptyList()
- : new LinkedList<>(p.getCompileClasspathElements()));
+ : new LinkedList<>(p.getCompileClasspathElements());
  }
 
  /**
@@ -512,7 +512,7 @@ protected static String getJavaMethodAsString(JavaExecutable javaExecutable) {
  */
  private void init() {
  // defaultAuthor
- if (StringUtils.isEmpty(defaultAuthor)) {
+ if (defaultAuthor == null || defaultAuthor.isEmpty()) {
  defaultAuthor = System.getProperty("user.name");
  }
 
@@ -550,7 +550,7 @@ private void init() {
  fixTagsSplitted = StringUtils.split(fixTags, ",");
 
  // encoding
- if (StringUtils.isEmpty(encoding)) {
+ if (encoding == null || encoding.isEmpty()) {
  if (getLog().isWarnEnabled()) {
  getLog().warn("File encoding has not been set, using platform encoding " + ReaderFactory.FILE_ENCODING
  + ", i.e. build is platform dependent!");
@@ -1027,7 +1027,7 @@ private void takeCareSingleComment(
 
  String javadocComment = trimRight(extractOriginalJavadoc(originalContent, entity));
  String extraComment = javadocComment.substring(javadocComment.indexOf(END_JAVADOC) + END_JAVADOC.length());
- if (StringUtils.isNotEmpty(extraComment)) {
+ if (extraComment != null && !extraComment.isEmpty()) {
  if (extraComment.contains(EOL)) {
  stringWriter.write(extraComment.substring(extraComment.indexOf(EOL) + EOL.length()));
  } else {
@@ -1082,7 +1082,7 @@ private boolean isInLevel(List<String> modifiers) {
  }
 
  if (LEVEL_PROTECTED.equalsIgnoreCase(level.trim())) {
- return (modifiers.contains(LEVEL_PUBLIC) || modifiers.contains(LEVEL_PROTECTED));
+ return modifiers.contains(LEVEL_PUBLIC) || modifiers.contains(LEVEL_PROTECTED);
  }
 
  if (LEVEL_PACKAGE.equalsIgnoreCase(level.trim())) {
@@ -1887,7 +1887,7 @@ private void writeReturnTag(
  return;
  }
 
- if (StringUtils.isNotEmpty(originalJavadocTag)
+ if ((originalJavadocTag != null && !originalJavadocTag.isEmpty())
  && javaMethod.getReturns() != null
  && !javaMethod.getReturns().isVoid()) {
  sb.append(originalJavadocTag);
@@ -3044,7 +3044,7 @@ private static String alignIndentationJavadocLines(final String content, final S
  * @return the indentation for the given line.
  */
  private static String autodetectIndentation(final String line) {
- if (StringUtils.isEmpty(line)) {
+ if (line == null || line.isEmpty()) {
  return "";
  }
 
@@ -3084,7 +3084,7 @@ private static String[] getLines(final String content) throws IOException {
  * @return the text trimmed on left side or empty if text is null.
  */
  private static String trimLeft(final String text) {
- if (StringUtils.isEmpty(text) || StringUtils.isEmpty(text.trim())) {
+ if ((text == null || text.isEmpty()) || StringUtils.isEmpty(text.trim())) {
  return "";
  }
 
@@ -3106,7 +3106,7 @@ private static String trimLeft(final String text) {
  * @return the text trimmed on tight side or empty if text is null.
  */
  private static String trimRight(final String text) {
- if (StringUtils.isEmpty(text) || StringUtils.isEmpty(text.trim())) {
+ if ((text == null || text.isEmpty()) || StringUtils.isEmpty(text.trim())) {
  return "";
  }