IJPL-219723 [java, xml] Move JspFileTypeUtil to XML API module; remove unused isJspX(PsiFile)

GitOrigin-RevId: 042d7949295f6773eb4df0f6a7e1c81f0f825946

java/java-impl-refactorings/src/com/intellij/refactoring/inline/JavaInlineActionHandler.java

@@ -1,10 +1,10 @@
 // Copyright 2000-2021 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license that can be found in the LICENSE file.
 package com.intellij.refactoring.inline;
 
-import com.intellij.java.util.JspFileTypeUtil;
 import com.intellij.lang.Language;
 import com.intellij.lang.java.JavaLanguage;
 import com.intellij.lang.refactoring.InlineActionHandler;
+import com.intellij.xml.util.JspFileTypeUtil;
 
 
 public abstract class JavaInlineActionHandler extends InlineActionHandler {

java/java-impl/src/com/intellij/codeEditor/printing/HyperlinksToClassesOption.java

@@ -4,11 +4,11 @@ package com.intellij.codeEditor.printing;
 
 import com.intellij.ide.highlighter.JavaFileType;
 import com.intellij.java.JavaBundle;
-import com.intellij.java.util.JspFileTypeUtil;
 import com.intellij.openapi.fileTypes.FileType;
 import com.intellij.openapi.options.ConfigurationException;
 import com.intellij.openapi.options.UnnamedConfigurable;
 import com.intellij.psi.*;
+import com.intellij.xml.util.JspFileTypeUtil;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
 

java/java-impl/src/com/intellij/codeInsight/completion/JavaCharFilter.java

@@ -7,7 +7,6 @@ import com.intellij.codeInsight.lookup.Lookup;
 import com.intellij.codeInsight.lookup.LookupElement;
 import com.intellij.codeInsight.lookup.VariableLookupItem;
 import com.intellij.java.syntax.parser.JavaKeywords;
-import com.intellij.java.util.JspFileTypeUtil;
 import com.intellij.lang.java.JavaLanguage;
 import com.intellij.patterns.PsiJavaPatterns;
 import com.intellij.pom.java.JavaFeature;
@@ -16,6 +15,7 @@ import com.intellij.psi.javadoc.PsiDocComment;
 import com.intellij.psi.javadoc.PsiDocToken;
 import com.intellij.psi.util.PsiTreeUtil;
 import com.intellij.psi.util.PsiUtil;
+import com.intellij.xml.util.JspFileTypeUtil;
 
 public final class JavaCharFilter extends CharFilter {
 

java/java-impl/src/com/intellij/lang/OuterModelsModificationTracker.java

@@ -2,7 +2,6 @@
 package com.intellij.lang;
 
 import com.intellij.ide.highlighter.HtmlFileType;
-import com.intellij.java.util.JspFileTypeUtil;
 import com.intellij.openapi.Disposable;
 import com.intellij.openapi.fileTypes.FileType;
 import com.intellij.openapi.fileTypes.LanguageFileType;
@@ -21,6 +20,7 @@ import com.intellij.psi.util.PsiTreeUtil;
 import com.intellij.spi.psi.SPIFile;
 import com.intellij.util.containers.ContainerUtil;
 import com.intellij.util.messages.MessageBusConnection;
+import com.intellij.xml.util.JspFileTypeUtil;
 import org.jetbrains.annotations.ApiStatus;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;

platform/ide-core/src/com/intellij/openapi/fileTypes/StdFileTypes.java

@@ -24,13 +24,15 @@ public final class StdFileTypes extends FileTypes {
   public static volatile FileType CLASS = FileTypeManager.getInstance().getStdFileType("CLASS");
 
   /**
-   * @deprecated use {@link com.intellij.jsp.highlighter.NewJspFileType#INSTANCE} instead.
+   * @deprecated use {@link com.intellij.jsp.highlighter.NewJspFileType#INSTANCE} or 
+   * {@link com.intellij.xml.util.JspFileTypeUtil} instead (the latter can be used if direct dependency on JSP module is undesired).
    */
   @Deprecated(forRemoval = true)
   public static volatile LanguageFileType JSP = (LanguageFileType)FileTypeManager.getInstance().getStdFileType("JSP");
 
   /**
-   * @deprecated use {@link com.intellij.jsp.highlighter.JspxFileType#INSTANCE} instead.
+   * @deprecated use {@link com.intellij.jsp.highlighter.JspxFileType#INSTANCE} or
+   * {@link com.intellij.xml.util.JspFileTypeUtil} instead (the latter can be used if direct dependency on JSP module is undesired).
    */
   @Deprecated(forRemoval = true)
   public static volatile LanguageFileType JSPX = (LanguageFileType)FileTypeManager.getInstance().getStdFileType("JSPX");

xml/xml-psi-api/src/com/intellij/xml/util/JspFileTypeUtil.java

@@ -1,5 +1,5 @@
 // Copyright 2000-2025 JetBrains s.r.o. and contributors. Use of this source code is governed by the Apache 2.0 license.
-package com.intellij.java.util;
+package com.intellij.xml.util;
 
 import com.intellij.lang.Language;
 import com.intellij.openapi.fileTypes.FileType;
@@ -44,15 +44,6 @@ public final class JspFileTypeUtil {
     return language != null && language.getID().equals("JSP");
   }
 
-  /**
-   * @param file file to check
-   * @return true if the file is a JSPX file
-   */
-  @Contract(pure = true)
-  public static boolean isJspX(@NotNull PsiFile file) {
-    return isJsp(file.getFileType());
-  }
-
   /**
    * @param fileType file type to check
    * @return true if the file type is a JSPX file type