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Fix checkstyle violation (plus related polishing)

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Issue: SPR-16913
This commit is contained in:
Juergen Hoeller
2018-07-02 23:56:58 +02:00
parent d08b72a75a
commit e485abbe56
1 changed files with 12 additions and 20 deletions
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32
spring-web/src/main/java/org/springframework/http/HttpHeaders.java
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@@ -1286,7 +1286,7 @@ public class HttpHeaders implements MultiValueMap<String, String>, Serializable
* {@link IllegalArgumentException} ({@code true}) or rather return {@code null}
* in that case ({@code false})
* @return the parsed date header, or {@code null} if none (or invalid)
*/
*/
@Nullable
private ZonedDateTime getFirstZonedDateTime(String headerName, boolean rejectInvalid) {
String headerValue = getFirst(headerName);
@@ -1570,57 +1570,52 @@ public class HttpHeaders implements MultiValueMap<String, String>, Serializable
}
/**
* Returns a {@code HttpHeaders} consumer that adds Basic Authentication.
* Return a {@code HttpHeaders} consumer that adds Basic Authentication.
* More specifically: a consumer that adds an {@linkplain #AUTHORIZATION
* Authorization} header based on the given username and password. Meant
* to be used in combination with
* Authorization} header based on the given username and password.
* Meant to be used in combination with
* {@link org.springframework.web.reactive.function.client.WebClient.RequestHeadersSpec#headers(java.util.function.Consumer)}.
* <p>Note that Basic Authentication only supports characters in the
* {@linkplain StandardCharsets#ISO_8859_1 ISO-8859-1} character set.
*
* @param username the username
* @param password the password
* @return a consumer that adds a Basic Authentication header
* @since 5.1
*/
public static Consumer<HttpHeaders> basicAuthenticationConsumer(String username,String password) {
public static Consumer<HttpHeaders> basicAuthenticationConsumer(String username, String password) {
return basicAuthenticationConsumer(() -> username, () -> password);
}
/**
* Returns a {@code HttpHeaders} consumer that adds Basic Authentication.
* Return a {@code HttpHeaders} consumer that adds Basic Authentication.
* More specifically: a consumer that adds an {@linkplain #AUTHORIZATION
* Authorization} header based on the given username and password
* suppliers. Meant to be used in combination with
* {@link org.springframework.web.reactive.function.client.WebClient.RequestHeadersSpec#headers(java.util.function.Consumer)}.
* <p>Note that Basic Authentication only supports characters in the
* {@linkplain StandardCharsets#ISO_8859_1 ISO-8859-1} character set.
*
* @param usernameSupplier supplier for the username
* @param passwordSupplier supplier for the password
* @return a consumer that adds a Basic Authentication header
* @since 5.1
*/
public static Consumer<HttpHeaders> basicAuthenticationConsumer(Supplier<String> usernameSupplier,
Supplier<String> passwordSupplier) {
public static Consumer<HttpHeaders> basicAuthenticationConsumer(
Supplier<String> usernameSupplier, Supplier<String> passwordSupplier) {
Assert.notNull(usernameSupplier, "Username Supplier must not be null");
Assert.notNull(passwordSupplier, "Password Supplier must not be null");
return new BasicAuthenticationConsumer(usernameSupplier, passwordSupplier);
}
/**
* @see #basicAuthenticationConsumer
*/
private static class BasicAuthenticationConsumer implements Consumer<HttpHeaders> {
private final Supplier<String> usernameSupplier;
private final Supplier<String> passwordSupplier;
public BasicAuthenticationConsumer(Supplier<String> usernameSupplier,
Supplier<String> passwordSupplier) {
public BasicAuthenticationConsumer(Supplier<String> usernameSupplier, Supplier<String> passwordSupplier) {
this.usernameSupplier = usernameSupplier;
this.passwordSupplier = passwordSupplier;
}
@@ -1629,17 +1624,14 @@ public class HttpHeaders implements MultiValueMap<String, String>, Serializable
public void accept(HttpHeaders httpHeaders) {
String username = this.usernameSupplier.get();
String password = this.passwordSupplier.get();
Assert.state(username != null, "Supplied username is null");
Assert.state(password != null, "Supplied password is null");
checkIllegalCharacters(username, password);
String credentialsString = username + ":" + password;
byte[] credentialBytes = credentialsString.getBytes(StandardCharsets.ISO_8859_1);
byte[] encodedBytes = Base64.getEncoder().encode(credentialBytes);
String encodedCredentials = new String(encodedBytes, StandardCharsets.ISO_8859_1);
httpHeaders.set(HttpHeaders.AUTHORIZATION, "Basic " + encodedCredentials);
}
@@ -1651,6 +1643,6 @@ public class HttpHeaders implements MultiValueMap<String, String>, Serializable
"Username or password contains characters that cannot be encoded to ISO-8859-1");
}
}
}
}