Fix ChangeDependency isAcceptable returning true for all files (#6889)

Author: Jenson3210

rewrite-gradle/src/main/java/org/openrewrite/gradle/ChangeDependency.java

@@ -464,6 +464,14 @@ private GradleProject updateGradleModel(GradleProject gp, ExecutionContext ctx)
 
         DependencyMatcher propsMatcher = requireNonNull(DependencyMatcher.build(oldGroupId + ":" + oldArtifactId).getValue());
         return new TreeVisitor<Tree, ExecutionContext>() {
+            @Override
+            public boolean isAcceptable(SourceFile sourceFile, ExecutionContext ctx) {
+                if (sourceFile instanceof Properties.File) {
+                    return sourceFile.getSourcePath().endsWith(GRADLE_PROPERTIES_FILE_NAME);
+                }
+                return sourceFile.getMarkers().findFirst(GradleProject.class).isPresent();
+            }
+
             @Override
             public @Nullable Tree visit(@Nullable Tree tree, ExecutionContext ctx) {
                 if (tree instanceof Properties.File) {

rewrite-gradle/src/test/java/org/openrewrite/gradle/ChangeDependencyTest.java

@@ -17,8 +17,15 @@
 
 import org.junit.jupiter.api.Test;
 import org.openrewrite.DocumentExample;
+import org.openrewrite.ExecutionContext;
+import org.openrewrite.InMemoryExecutionContext;
+import org.openrewrite.SourceFile;
+import org.openrewrite.TreeVisitor;
 import org.openrewrite.test.RecipeSpec;
 import org.openrewrite.test.RewriteTest;
+import org.openrewrite.text.PlainTextParser;
+
+import java.nio.file.Path;
 
 import static org.assertj.core.api.Assertions.assertThat;
 import static org.openrewrite.gradle.Assertions.buildGradle;
@@ -1061,4 +1068,18 @@ void sharedKotlinDslStringTemplateVersionVariableCollapsesToLiteral() {
           )
         );
     }
+
+    @Test
+    void isAcceptable() {
+        ChangeDependency recipe = new ChangeDependency(
+                "org.old", "artifact", "org.new", "artifact", null, null, null
+        );
+        @SuppressWarnings("unchecked")
+        TreeVisitor<?, ExecutionContext> visitor = (TreeVisitor<?, ExecutionContext>) recipe.getVisitor();
+
+        SourceFile sourceFile = PlainTextParser.builder().build().parse("not a gradle file")
+                .findFirst().orElseThrow()
+                .withSourcePath(Path.of("not-a-gradle-file.txt"));
+        assertThat(visitor.isAcceptable(sourceFile, new InMemoryExecutionContext())).isFalse();
+    }
 }