Add OnCommittedResponseWrapper.setContentLengthLong

Add setContentLengthLong tracking to OnCommittedResponseWrapper in
order to detect commits on servlets that use setContentLengthLong to
announce the entity size they are about to write (as used in the
Apache Tomcat's DefaultServlet).

Fixes gh-7261

web/src/main/java/org/springframework/security/web/util/OnCommittedResponseWrapper.java

@@ -69,6 +69,12 @@ public abstract class OnCommittedResponseWrapper extends HttpServletResponseWrap
 		super.setContentLength(len);
 	}
 
+	@Override
+	public void setContentLengthLong(long len) {
+		setContentLength(len);
+		super.setContentLengthLong(len);
+	}
+
 	private void setContentLength(long len) {
 		this.contentLength = len;
 		checkContentLength(0);

web/src/test/java/org/springframework/security/web/util/OnCommittedResponseWrapperTests.java

@@ -1101,6 +1101,17 @@ public class OnCommittedResponseWrapperTests {
 		assertThat(committed).isTrue();
 	}
 
+	// gh-7261
+	@Test
+	public void contentLengthLongOutputStreamWriteStringCommits() throws IOException {
+		String body = "something";
+		response.setContentLengthLong(body.length());
+
+		response.getOutputStream().print(body);
+
+		assertThat(committed).isTrue();
+	}
+
 	@Test
 	public void addHeaderContentLengthPrintWriterWriteStringCommits() throws Exception {
 		int expected = 1234;