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SPR-7834 - HttpHeaders.getEtag() mangles the value

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This commit is contained in:
Arjen Poutsma
2011-01-03 15:51:23 +00:00
parent fbede64c86
commit e5d8fa0771
4 changed files with 33 additions and 64 deletions
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43
org.springframework.web/src/main/java/org/springframework/http/HttpHeaders.java
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@@ -1,11 +1,11 @@
/*
* Copyright 2002-2010 the original author or authors.
* Copyright 2002-2011 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.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
@@ -310,7 +310,11 @@ public class HttpHeaders implements MultiValueMap<String, String> {
* @param eTag the new entity tag
*/
public void setETag(String eTag) {
set(ETAG, quote(eTag));
if (eTag != null) {
Assert.isTrue(eTag.startsWith("\"") || eTag.startsWith("W/"), "Invalid eTag, does not start with W/ or \"");
Assert.isTrue(eTag.endsWith("\""), "Invalid eTag, does not end with \"");
}
set(ETAG, eTag);
}
/**
@@ -318,7 +322,7 @@ public class HttpHeaders implements MultiValueMap<String, String> {
* @return the entity tag
*/
public String getETag() {
return unquote(getFirst(ETAG));
return getFirst(ETAG);
}
/**
@@ -362,7 +366,7 @@ public class HttpHeaders implements MultiValueMap<String, String> {
* @param ifNoneMatch the new value of the header
*/
public void setIfNoneMatch(String ifNoneMatch) {
set(IF_NONE_MATCH, quote(ifNoneMatch));
set(IF_NONE_MATCH, ifNoneMatch);
}
/**
@@ -373,7 +377,7 @@ public class HttpHeaders implements MultiValueMap<String, String> {
StringBuilder builder = new StringBuilder();
for (Iterator<String> iterator = ifNoneMatchList.iterator(); iterator.hasNext();) {
String ifNoneMatch = iterator.next();
builder.append(quote(ifNoneMatch));
builder.append(ifNoneMatch);
if (iterator.hasNext()) {
builder.append(", ");
}
@@ -392,7 +396,7 @@ public class HttpHeaders implements MultiValueMap<String, String> {
if (value != null) {
String[] tokens = value.split(",\\s*");
for (String token : tokens) {
result.add(unquote(token));
result.add(token);
}
}
return result;
@@ -452,31 +456,6 @@ public class HttpHeaders implements MultiValueMap<String, String> {
// Utility methods
private String quote(String s) {
Assert.notNull(s);
if (!s.startsWith("\"")) {
s = "\"" + s;
}
if (!s.endsWith("\"")) {
s = s + "\"";
}
return s;
}
private String unquote(String s) {
if (s == null) {
return null;
}
if (s.startsWith("\"")) {
s = s.substring(1);
}
if (s.endsWith("\"")) {
s = s.substring(0, s.length() - 1);
}
return s;
}
private long getFirstDate(String headerName) {
String headerValue = getFirst(headerName);
if (headerValue == null) {

10
org.springframework.web/src/main/java/org/springframework/web/context/request/ServletWebRequest.java
View File

@@ -1,11 +1,11 @@
/*
* Copyright 2002-2010 the original author or authors.
* Copyright 2002-2011 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.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
@@ -206,12 +206,6 @@ public class ServletWebRequest extends ServletRequestAttributes implements Nativ
public boolean checkNotModified(String eTag) {
if (StringUtils.hasLength(eTag) && !this.notModified &&
(this.response == null || !this.response.containsHeader(HEADER_ETAG))) {
if (!eTag.startsWith("\"")) {
eTag = "\"" + eTag;
}
if (!eTag.endsWith("\"")) {
eTag = eTag + "\"";
}
String ifNoneMatch = getRequest().getHeader(HEADER_IF_NONE_MATCH);
this.notModified = eTag.equals(ifNoneMatch);
if (this.response != null) {