[tomcat] branch 9.0.x updated: The Javadoc for getInitParameters() states the returned Map is immutable

[markt]

This is an automated email from the ASF dual-hosted git repository.

markt pushed a commit to branch 9.0.x
in repository https://gitbox.apache.org/repos/asf/tomcat.git


The following commit(s) were added to refs/heads/9.0.x by this push:
     new 3eff1cbd2b The Javadoc for getInitParameters() states the returned Map 
is immutable
3eff1cbd2b is described below

commit 3eff1cbd2b02f23d201624a1bd20743b4e9c5bf6
Author: Mark Thomas <ma...@apache.org>
AuthorDate: Thu Sep 15 16:45:44 2022 +0100

    The Javadoc for getInitParameters() states the returned Map is immutable
---
 java/javax/servlet/jsp/tagext/TagLibraryValidator.java | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/java/javax/servlet/jsp/tagext/TagLibraryValidator.java 
b/java/javax/servlet/jsp/tagext/TagLibraryValidator.java
index 3d5917b15b..067d6caf90 100644
--- a/java/javax/servlet/jsp/tagext/TagLibraryValidator.java
+++ b/java/javax/servlet/jsp/tagext/TagLibraryValidator.java
@@ -16,6 +16,8 @@
 */
 package javax.servlet.jsp.tagext;
 
+import java.util.Collections;
+import java.util.HashMap;
 import java.util.Map;
 
 /**
@@ -96,7 +98,7 @@ public abstract class TagLibraryValidator {
      * @param map A Map describing the init parameters
      */
     public void setInitParameters(Map<String, Object> map) {
-        initParameters = map;
+        initParameters = Collections.unmodifiableMap(new HashMap<>(map));
     }
 
 


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