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ServletResponseHttpHeaders consistently overrides HttpHeaders again

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Issue: SPR-14406
This commit is contained in:
Juergen Hoeller
2016-06-27 15:33:53 +02:00
parent ea5baeb05a
commit 15c96b8efd
2 changed files with 111 additions and 89 deletions
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187
spring-web/src/main/java/org/springframework/http/HttpHeaders.java
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@@ -58,6 +58,7 @@ import org.springframework.util.StringUtils;
* @author Arjen Poutsma
* @author Sebastien Deleuze
* @author Brian Clozel
* @author Juergen Hoeller
* @since 3.0
*/
public class HttpHeaders implements MultiValueMap<String, String>, Serializable {
@@ -454,7 +455,7 @@ public class HttpHeaders implements MultiValueMap<String, String>, Serializable
* Returns the value of the {@code Access-Control-Allow-Credentials} response header.
*/
public boolean getAccessControlAllowCredentials() {
return new Boolean(getFirst(ACCESS_CONTROL_ALLOW_CREDENTIALS));
return Boolean.parseBoolean(getFirst(ACCESS_CONTROL_ALLOW_CREDENTIALS));
}
/**
@@ -510,22 +511,6 @@ public class HttpHeaders implements MultiValueMap<String, String>, Serializable
return getFieldValues(ACCESS_CONTROL_ALLOW_ORIGIN);
}
protected String getFieldValues(String headerName) {
List<String> headerValues = this.headers.get(headerName);
if (headerValues != null) {
StringBuilder builder = new StringBuilder();
for (Iterator<String> iterator = headerValues.iterator(); iterator.hasNext(); ) {
String ifNoneMatch = iterator.next();
builder.append(ifNoneMatch);
if (iterator.hasNext()) {
builder.append(", ");
}
}
return builder.toString();
}
return null;
}
/**
* Set the (new) value of the {@code Access-Control-Expose-Headers} response header.
*/
@@ -809,6 +794,7 @@ public class HttpHeaders implements MultiValueMap<String, String>, Serializable
/**
* Set the (new) value of the {@code If-Match} header.
* @since 4.3
*/
public void setIfMatch(String ifMatch) {
set(IF_MATCH, ifMatch);
@@ -816,55 +802,20 @@ public class HttpHeaders implements MultiValueMap<String, String>, Serializable
/**
* Set the (new) value of the {@code If-Match} header.
* @since 4.3
*/
public void setIfMatch(List<String> ifMatchList) {
set(IF_MATCH, toCommaDelimitedString(ifMatchList));
}
protected String toCommaDelimitedString(List<String> list) {
StringBuilder builder = new StringBuilder();
for (Iterator<String> iterator = list.iterator(); iterator.hasNext(); ) {
String ifNoneMatch = iterator.next();
builder.append(ifNoneMatch);
if (iterator.hasNext()) {
builder.append(", ");
}
}
return builder.toString();
}
/**
* Return the value of the {@code If-Match} header.
* @since 4.3
*/
public List<String> getIfMatch() {
return getETagValuesAsList(IF_MATCH);
}
protected List<String> getETagValuesAsList(String headerName) {
List<String> values = get(headerName);
if (values != null) {
List<String> result = new ArrayList<String>();
for (String value : values) {
if (value != null) {
Matcher matcher = ETAG_HEADER_VALUE_PATTERN.matcher(value);
while (matcher.find()) {
if ("*".equals(matcher.group())) {
result.add(matcher.group());
}
else {
result.add(matcher.group(1));
}
}
if(result.size() == 0) {
throw new IllegalArgumentException("Could not parse '" + headerName + "' value=" + value);
}
}
}
return result;
}
return Collections.emptyList();
}
/**
* Set the (new) value of the {@code If-Modified-Since} header.
* <p>The date should be specified as the number of milliseconds since
@@ -904,32 +855,11 @@ public class HttpHeaders implements MultiValueMap<String, String>, Serializable
return getETagValuesAsList(IF_NONE_MATCH);
}
/**
* Return all values of a given header name,
* even if this header is set multiple times.
* @since 4.3
*/
public List<String> getValuesAsList(String headerName) {
List<String> values = get(headerName);
if (values != null) {
List<String> result = new ArrayList<String>();
for (String value : values) {
if (value != null) {
String[] tokens = StringUtils.tokenizeToStringArray(value, ",");
for (String token : tokens) {
result.add(token);
}
}
}
return result;
}
return Collections.emptyList();
}
/**
* Set the (new) value of the {@code If-Unmodified-Since} header.
* <p>The date should be specified as the number of milliseconds since
* January 1, 1970 GMT.
* @since 4.3
*/
public void setIfUnmodifiedSince(long ifUnmodifiedSince) {
setDate(IF_UNMODIFIED_SINCE, ifUnmodifiedSince);
@@ -939,6 +869,7 @@ public class HttpHeaders implements MultiValueMap<String, String>, Serializable
* Return the value of the {@code If-Unmodified-Since} header.
* <p>The date is returned as the number of milliseconds since
* January 1, 1970 GMT. Returns -1 when the date is unknown.
* @since 4.3
*/
public long getIfUnmodifiedSince() {
return getFirstDate(IF_UNMODIFIED_SINCE, false);
@@ -1054,17 +985,31 @@ public class HttpHeaders implements MultiValueMap<String, String>, Serializable
/**
* Return the request header names subject to content negotiation.
* @since 4.3
*/
public List<String> getVary() {
return getValuesAsList(VARY);
}
/**
* Set the given date under the given header name after formatting it as a string
* using the pattern {@code "EEE, dd MMM yyyy HH:mm:ss zzz"}. The equivalent of
* {@link #set(String, String)} but for date headers.
* @since 3.2.4
*/
public void setDate(String headerName, long date) {
SimpleDateFormat dateFormat = new SimpleDateFormat(DATE_FORMATS[0], Locale.US);
dateFormat.setTimeZone(GMT);
set(headerName, dateFormat.format(new Date(date)));
}
/**
* Parse the first header value for the given header name as a date,
* return -1 if there is no value, or raise {@link IllegalArgumentException}
* if the value cannot be parsed as a date.
* @param headerName the header name
* @return the parsed date header, or -1 if none
* @since 3.2.4
*/
public long getFirstDate(String headerName) {
return getFirstDate(headerName, true);
@@ -1109,16 +1054,92 @@ public class HttpHeaders implements MultiValueMap<String, String>, Serializable
}
/**
* Set the given date under the given header name after formatting it as a string
* using the pattern {@code "EEE, dd MMM yyyy HH:mm:ss zzz"}. The equivalent of
* {@link #set(String, String)} but for date headers.
* Return all values of a given header name,
* even if this header is set multiple times.
* @param headerName the header name
* @return all associated values
* @since 4.3
*/
public void setDate(String headerName, long date) {
SimpleDateFormat dateFormat = new SimpleDateFormat(DATE_FORMATS[0], Locale.US);
dateFormat.setTimeZone(GMT);
set(headerName, dateFormat.format(new Date(date)));
public List<String> getValuesAsList(String headerName) {
List<String> values = get(headerName);
if (values != null) {
List<String> result = new ArrayList<String>();
for (String value : values) {
if (value != null) {
String[] tokens = StringUtils.tokenizeToStringArray(value, ",");
for (String token : tokens) {
result.add(token);
}
}
}
return result;
}
return Collections.emptyList();
}
/**
* Retrieve a combined result from the field values of the ETag header.
* @param headerName the header name
* @return the combined result
* @since 4.3
*/
protected List<String> getETagValuesAsList(String headerName) {
List<String> values = get(headerName);
if (values != null) {
List<String> result = new ArrayList<String>();
for (String value : values) {
if (value != null) {
Matcher matcher = ETAG_HEADER_VALUE_PATTERN.matcher(value);
while (matcher.find()) {
if ("*".equals(matcher.group())) {
result.add(matcher.group());
}
else {
result.add(matcher.group(1));
}
}
if (result.isEmpty()) {
throw new IllegalArgumentException(
"Could not parse header '" + headerName + "' with value '" + value + "'");
}
}
}
return result;
}
return Collections.emptyList();
}
/**
* Retrieve a combined result from the field values of multi-valued headers.
* @param headerName the header name
* @return the combined result
* @since 4.3
*/
protected String getFieldValues(String headerName) {
List<String> headerValues = get(headerName);
return (headerValues != null ? toCommaDelimitedString(headerValues) : null);
}
/**
* Turn the given list of header values into a comma-delimited result.
* @param headerValues the list of header values
* @return a combined result with comma delimitation
*/
protected String toCommaDelimitedString(List<String> headerValues) {
StringBuilder builder = new StringBuilder();
for (Iterator<String> it = headerValues.iterator(); it.hasNext(); ) {
String val = it.next();
builder.append(val);
if (it.hasNext()) {
builder.append(", ");
}
}
return builder.toString();
}
// MultiValueMap implementation
/**
* Return the first header value for the given header name, if any.
* @param headerName the header name