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HandlerExecutionChain.toString() includes reliable interceptor number 

Issue: SPR-15525
This commit is contained in:
Juergen Hoeller 2017-05-07 21:05:16 +02:00
parent 25aef4d3cc
commit 92f18a4985
1 changed files with 11 additions and 10 deletions
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21
spring-webmvc/src/main/java/org/springframework/web/servlet/HandlerExecutionChain.java
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@ -1,5 +1,5 @@
/*
* Copyright 2002-2016 the original author or authors.
* Copyright 2002-2017 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
@ -17,7 +17,6 @@
package org.springframework.web.servlet;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
@ -80,7 +79,7 @@ public class HandlerExecutionChain {
/**
* Return the handler object to execute.
* @return the handler object
* @return the handler object (may be {@code null})
*/
public Object getHandler() {
return this.handler;
@ -92,7 +91,7 @@ public class HandlerExecutionChain {
public void addInterceptors(HandlerInterceptor... interceptors) {
if (!ObjectUtils.isEmpty(interceptors)) {
initInterceptorList().addAll(Arrays.asList(interceptors));
CollectionUtils.mergeArrayIntoCollection(interceptors, initInterceptorList());
}
}
@ -101,7 +100,7 @@ public class HandlerExecutionChain {
this.interceptorList = new ArrayList<>();
if (this.interceptors != null) {
// An interceptor array specified through the constructor
this.interceptorList.addAll(Arrays.asList(this.interceptors));
CollectionUtils.mergeArrayIntoCollection(this.interceptors, this.interceptorList);
}
}
this.interceptors = null;
@ -202,14 +201,16 @@ public class HandlerExecutionChain {
*/
@Override
public String toString() {
if (this.handler == null) {
Object handler = getHandler();
if (handler == null) {
return "HandlerExecutionChain with no handler";
}
StringBuilder sb = new StringBuilder();
sb.append("HandlerExecutionChain with handler [").append(this.handler).append("]");
if (!CollectionUtils.isEmpty(this.interceptorList)) {
sb.append(" and ").append(this.interceptorList.size()).append(" interceptor");
if (this.interceptorList.size() > 1) {
sb.append("HandlerExecutionChain with handler [").append(handler).append("]");
HandlerInterceptor[] interceptors = getInterceptors();
if (!ObjectUtils.isEmpty(interceptors)) {
sb.append(" and ").append(interceptors.length).append(" interceptor");
if (interceptors.length > 1) {
sb.append("s");
}
}