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Consistent comma splitting without regex overhead 

Issue: SPR-14635
This commit is contained in:
Juergen Hoeller 2016-08-30 23:56:58 +02:00
parent 58fa63fdd1
commit 03609c1518
10 changed files with 84 additions and 87 deletions
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2
spring-core/src/main/java/org/springframework/util/MimeTypeUtils.java
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@ -274,7 +274,7 @@ public abstract class MimeTypeUtils {
if (!StringUtils.hasLength(mimeTypes)) {
return Collections.emptyList();
}
String[] tokens = mimeTypes.split(",\\s*");
String[] tokens = StringUtils.tokenizeToStringArray(mimeTypes, ",");
List<MimeType> result = new ArrayList<>(tokens.length);
for (String token : tokens) {
result.add(parseMimeType(token));

6
spring-messaging/src/main/java/org/springframework/messaging/simp/stomp/StompHeaderAccessor.java
View File

@ -229,10 +229,10 @@ public class StompHeaderAccessor extends SimpMessageHeaderAccessor {
public long[] getHeartbeat() {
String rawValue = getFirstNativeHeader(STOMP_HEARTBEAT_HEADER);
if (!StringUtils.hasText(rawValue)) {
String[] rawValues = StringUtils.split(rawValue, ",");
if (rawValues == null) {
return Arrays.copyOf(DEFAULT_HEARTBEAT, 2);
}
String[] rawValues = StringUtils.commaDelimitedListToStringArray(rawValue);
return new long[] {Long.valueOf(rawValues[0]), Long.valueOf(rawValues[1])};
}
@ -298,7 +298,7 @@ public class StompHeaderAccessor extends SimpMessageHeaderAccessor {
}
public void setHeartbeat(long cx, long cy) {
setNativeHeader(STOMP_HEARTBEAT_HEADER, StringUtils.arrayToCommaDelimitedString(new Object[]{cx, cy}));
setNativeHeader(STOMP_HEARTBEAT_HEADER, cx + "," + cy);
}
public void setAck(String ack) {

23
spring-messaging/src/main/java/org/springframework/messaging/simp/stomp/StompHeaders.java
View File

@ -223,9 +223,14 @@ public class StompHeaders implements MultiValueMap<String, String>, Serializable
* Applies to the CONNECT and CONNECTED frames.
*/
public void setHeartbeat(long[] heartbeat) {
Assert.notNull(heartbeat);
if (heartbeat == null || heartbeat.length != 2) {
throw new IllegalArgumentException("Heart-beat array must be of length 2, not " +
(heartbeat != null ? heartbeat.length : "null"));
}
String value = heartbeat[0] + "," + heartbeat[1];
Assert.isTrue(heartbeat[0] >= 0 && heartbeat[1] >= 0, "Heart-beat values cannot be negative: " + value);
if (heartbeat[0] < 0 || heartbeat[1] < 0) {
throw new IllegalArgumentException("Heart-beat values cannot be negative: " + value);
}
set(HEARTBEAT, value);
}
@ -234,10 +239,10 @@ public class StompHeaders implements MultiValueMap<String, String>, Serializable
*/
public long[] getHeartbeat() {
String rawValue = getFirst(HEARTBEAT);
if (!StringUtils.hasText(rawValue)) {
String[] rawValues = StringUtils.split(rawValue, ",");
if (rawValues == null) {
return null;
}
String[] rawValues = StringUtils.commaDelimitedListToStringArray(rawValue);
return new long[] {Long.valueOf(rawValues[0]), Long.valueOf(rawValues[1])};
}
@ -497,14 +502,8 @@ public class StompHeaders implements MultiValueMap<String, String>, Serializable
@Override
public boolean equals(Object other) {
if (this == other) {
return true;
}
if (!(other instanceof StompHeaders)) {
return false;
}
StompHeaders otherHeaders = (StompHeaders) other;
return this.headers.equals(otherHeaders.headers);
return (this == other || (other instanceof StompHeaders &&
this.headers.equals(((StompHeaders) other).headers)));
}
@Override

10
spring-test/src/main/java/org/springframework/test/web/servlet/htmlunit/HtmlUnitRequestBuilder.java
View File

@ -50,6 +50,7 @@ import org.springframework.test.web.servlet.request.MockMvcRequestBuilders;
import org.springframework.test.web.servlet.request.RequestPostProcessor;
import org.springframework.util.Assert;
import org.springframework.util.ObjectUtils;
import org.springframework.util.StringUtils;
import org.springframework.web.util.UriComponents;
import org.springframework.web.util.UriComponentsBuilder;
@ -213,8 +214,7 @@ final class HtmlUnitRequestBuilder implements RequestBuilder, Mergeable {
private void authType(MockHttpServletRequest request) {
String authorization = header("Authorization");
if (authorization != null) {
String[] authzParts = authorization.split(": ");
request.setAuthType(authzParts[0]);
request.setAuthType(StringUtils.split(authorization, ": ")[0]);
}
}
@ -349,9 +349,9 @@ final class HtmlUnitRequestBuilder implements RequestBuilder, Mergeable {
request.addPreferredLocale(Locale.getDefault());
}
else {
String[] locales = locale.split(", ");
for (int i = locales.length - 1; i >= 0; i--) {
request.addPreferredLocale(parseLocale(locales[i]));
String[] tokens = StringUtils.tokenizeToStringArray(locale, ",");
for (int i = tokens.length - 1; i >= 0; i--) {
request.addPreferredLocale(parseLocale(tokens[i]));
}
}
}

15
spring-web/src/main/java/org/springframework/http/HttpHeaders.java
View File

@ -476,7 +476,7 @@ public class HttpHeaders implements MultiValueMap<String, String>, Serializable
List<HttpMethod> result = new ArrayList<>();
String value = getFirst(ACCESS_CONTROL_ALLOW_METHODS);
if (value != null) {
String[] tokens = StringUtils.tokenizeToStringArray(value, ",", true, true);
String[] tokens = StringUtils.tokenizeToStringArray(value, ",");
for (String token : tokens) {
HttpMethod resolved = HttpMethod.resolve(token);
if (resolved != null) {
@ -580,10 +580,10 @@ public class HttpHeaders implements MultiValueMap<String, String>, Serializable
* as specified by the {@code Accept-Charset} header.
*/
public List<Charset> getAcceptCharset() {
List<Charset> result = new ArrayList<>();
String value = getFirst(ACCEPT_CHARSET);
if (value != null) {
String[] tokens = value.split(",\\s*");
String[] tokens = StringUtils.tokenizeToStringArray(value, ",");
List<Charset> result = new ArrayList<>(tokens.length);
for (String token : tokens) {
int paramIdx = token.indexOf(';');
String charsetName;
@ -597,8 +597,11 @@ public class HttpHeaders implements MultiValueMap<String, String>, Serializable
result.add(Charset.forName(charsetName));
}
}
return result;
}
else {
return Collections.emptyList();
}
return result;
}
/**
@ -617,8 +620,8 @@ public class HttpHeaders implements MultiValueMap<String, String>, Serializable
public Set<HttpMethod> getAllow() {
String value = getFirst(ALLOW);
if (!StringUtils.isEmpty(value)) {
List<HttpMethod> result = new LinkedList<>();
String[] tokens = value.split(",\\s*");
String[] tokens = StringUtils.tokenizeToStringArray(value, ",");
List<HttpMethod> result = new ArrayList<>(tokens.length);
for (String token : tokens) {
HttpMethod resolved = HttpMethod.resolve(token);
if (resolved != null) {

2
spring-web/src/main/java/org/springframework/http/HttpRange.java
View File

@ -132,7 +132,7 @@ public abstract class HttpRange {
}
ranges = ranges.substring(BYTE_RANGE_PREFIX.length());
String[] tokens = ranges.split(",\\s*");
String[] tokens = StringUtils.tokenizeToStringArray(ranges, ",");
List<HttpRange> result = new ArrayList<>(tokens.length);
for (String token : tokens) {
result.add(parseRange(token));

2
spring-web/src/main/java/org/springframework/http/MediaType.java
View File

@ -439,7 +439,7 @@ public class MediaType extends MimeType implements Serializable {
if (!StringUtils.hasLength(mediaTypes)) {
return Collections.emptyList();
}
String[] tokens = mediaTypes.split(",\\s*");
String[] tokens = StringUtils.tokenizeToStringArray(mediaTypes, ",");
List<MediaType> result = new ArrayList<>(tokens.length);
for (String token : tokens) {
result.add(parseMediaType(token));

15
spring-web/src/main/java/org/springframework/web/util/UriComponentsBuilder.java
View File

@ -673,7 +673,7 @@ public class UriComponentsBuilder implements Cloneable {
UriComponentsBuilder adaptFromForwardedHeaders(HttpHeaders headers) {
String forwardedHeader = headers.getFirst("Forwarded");
if (StringUtils.hasText(forwardedHeader)) {
String forwardedToUse = StringUtils.commaDelimitedListToStringArray(forwardedHeader)[0];
String forwardedToUse = StringUtils.tokenizeToStringArray(forwardedHeader, ",")[0];
Matcher matcher = FORWARDED_HOST_PATTERN.matcher(forwardedToUse);
if (matcher.find()) {
host(matcher.group(1).trim());
@ -686,10 +686,9 @@ public class UriComponentsBuilder implements Cloneable {
else {
String hostHeader = headers.getFirst("X-Forwarded-Host");
if (StringUtils.hasText(hostHeader)) {
String[] hosts = StringUtils.commaDelimitedListToStringArray(hostHeader);
String hostToUse = hosts[0];
if (hostToUse.contains(":")) {
String[] hostAndPort = StringUtils.split(hostToUse, ":");
String hostToUse = StringUtils.tokenizeToStringArray(hostHeader, ",")[0];
String[] hostAndPort = StringUtils.split(hostToUse, ":");
if (hostAndPort != null) {
host(hostAndPort[0]);
port(Integer.parseInt(hostAndPort[1]));
}
@ -701,14 +700,12 @@ public class UriComponentsBuilder implements Cloneable {
String portHeader = headers.getFirst("X-Forwarded-Port");
if (StringUtils.hasText(portHeader)) {
String[] ports = StringUtils.commaDelimitedListToStringArray(portHeader);
port(Integer.parseInt(ports[0]));
port(Integer.parseInt(StringUtils.tokenizeToStringArray(portHeader, ",")[0]));
}
String protocolHeader = headers.getFirst("X-Forwarded-Proto");
if (StringUtils.hasText(protocolHeader)) {
String[] protocols = StringUtils.commaDelimitedListToStringArray(protocolHeader);
scheme(protocols[0]);
scheme(StringUtils.tokenizeToStringArray(protocolHeader, ",")[0]);
}
}

94
spring-websocket/src/main/java/org/springframework/web/socket/WebSocketExtension.java
View File

@ -44,6 +44,7 @@ import org.springframework.util.StringUtils;
* e.g. extensions "foo, bar" will be executed as "bar(foo(message))".</p>
*
* @author Brian Clozel
* @author Juergen Hoeller
* @since 4.0
* @see <a href="https://tools.ietf.org/html/rfc6455#section-9">WebSocket Protocol Extensions, RFC 6455 - Section 9</a>
*/
@ -68,46 +69,79 @@ public class WebSocketExtension {
* @param parameters the parameters
*/
public WebSocketExtension(String name, Map<String, String> parameters) {
Assert.hasLength(name, "extension name must not be empty");
Assert.hasLength(name, "Extension name must not be empty");
this.name = name;
if (!CollectionUtils.isEmpty(parameters)) {
Map<String, String> m = new LinkedCaseInsensitiveMap<>(parameters.size(), Locale.ENGLISH);
m.putAll(parameters);
this.parameters = Collections.unmodifiableMap(m);
Map<String, String> map = new LinkedCaseInsensitiveMap<>(parameters.size(), Locale.ENGLISH);
map.putAll(parameters);
this.parameters = Collections.unmodifiableMap(map);
}
else {
this.parameters = Collections.emptyMap();
}
}
/**
* @return the name of the extension
* Return the name of the extension (never {@code null) or empty}.
*/
public String getName() {
return this.name;
}
/**
* @return the parameters of the extension, never {@code null}
* Return the parameters of the extension (never {@code null}).
*/
public Map<String, String> getParameters() {
return this.parameters;
}
@Override
public boolean equals(Object other) {
if (this == other) {
return true;
}
if (other == null || getClass() != other.getClass()) {
return false;
}
WebSocketExtension otherExt = (WebSocketExtension) other;
return (this.name.equals(otherExt.name) && this.parameters.equals(otherExt.parameters));
}
@Override
public int hashCode() {
return this.name.hashCode() * 31 + this.parameters.hashCode();
}
@Override
public String toString() {
StringBuilder str = new StringBuilder();
str.append(this.name);
for (String param : parameters.keySet()) {
str.append(';');
str.append(param);
str.append('=');
str.append(this.parameters.get(param));
}
return str.toString();
}
/**
* Parse the given, comma-separated string into a list of {@code WebSocketExtension} objects.
* <p>This method can be used to parse a "Sec-WebSocket-Extension" extensions.
* <p>This method can be used to parse a "Sec-WebSocket-Extension" header.
* @param extensions the string to parse
* @return the list of extensions
* @throws IllegalArgumentException if the string cannot be parsed
*/
public static List<WebSocketExtension> parseExtensions(String extensions) {
if (extensions == null || !StringUtils.hasText(extensions)) {
if (!StringUtils.hasText(extensions)) {
return Collections.emptyList();
}
else {
List<WebSocketExtension> result = new ArrayList<>();
for (String token : extensions.split(",")) {
for (String token : StringUtils.tokenizeToStringArray(extensions, ",")) {
result.add(parseExtension(token));
}
return result;
@ -115,7 +149,9 @@ public class WebSocketExtension {
}
private static WebSocketExtension parseExtension(String extension) {
Assert.doesNotContain(extension, ",", "Expected a single extension value: " + extension);
if (extension.contains(",")) {
throw new IllegalArgumentException("Expected single extension value: [" + extension + "]");
}
String[] parts = StringUtils.tokenizeToStringArray(extension, ";");
String name = parts[0].trim();
@ -136,42 +172,4 @@ public class WebSocketExtension {
return new WebSocketExtension(name, parameters);
}
@Override
public boolean equals(Object o) {
if (this == o) {
return true;
}
if ((o == null) || (getClass() != o.getClass())) {
return false;
}
WebSocketExtension that = (WebSocketExtension) o;
if (!name.equals(that.name)) {
return false;
}
if (!parameters.equals(that.parameters)) {
return false;
}
return true;
}
@Override
public int hashCode() {
int result = name.hashCode();
result = 31 * result + parameters.hashCode();
return result;
}
@Override
public String toString() {
StringBuilder str = new StringBuilder();
str.append(this.name);
for (String param : parameters.keySet()) {
str.append(';');
str.append(param);
str.append('=');
str.append(this.parameters.get(param));
}
return str.toString();
}
}

2
spring-websocket/src/main/java/org/springframework/web/socket/server/standard/AbstractTyrusRequestUpgradeStrategy.java
View File

@ -110,7 +110,7 @@ public abstract class AbstractTyrusRequestUpgradeStrategy extends AbstractStanda
@Override
public String[] getSupportedVersions() {
return StringUtils.commaDelimitedListToStringArray(Version.getSupportedWireProtocolVersions());
return StringUtils.tokenizeToStringArray(Version.getSupportedWireProtocolVersions(), ",");
}
protected List<WebSocketExtension> getInstalledExtensions(WebSocketContainer container) {