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Zodiac SDK NIO2(New Non-Blocking IO)
package org.zodiac.sdk.nio.http.common;
import java.io.IOException;
import java.io.Serializable;
import java.net.InetSocketAddress;
import java.net.URI;
import java.nio.charset.Charset;
import java.nio.charset.CharsetEncoder;
import java.nio.charset.StandardCharsets;
import java.text.DecimalFormat;
import java.text.DecimalFormatSymbols;
import java.time.Duration;
import java.time.Instant;
import java.time.ZoneId;
import java.time.ZonedDateTime;
import java.time.format.DateTimeFormatter;
import java.time.format.DateTimeParseException;
import java.util.ArrayList;
import java.util.Base64;
import java.util.Collection;
import java.util.Collections;
import java.util.EnumSet;
import java.util.HashMap;
import java.util.LinkedHashMap;
import java.util.LinkedList;
import java.util.List;
import java.util.Locale;
import java.util.Map;
import java.util.Objects;
import java.util.Set;
import java.util.StringJoiner;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import java.util.stream.Collectors;
import org.zodiac.sdk.toolkit.util.StringUtil;
public class HttpHeaders extends HashMap> implements Serializable {
private static final long serialVersionUID = -6119777763403259588L;
private static final Pattern ETAG_HEADER_VALUE_PATTERN = Pattern.compile("\\*|\\s*((W\\/)?(\"[^\"]*\"))\\s*,?");
private static final DecimalFormatSymbols DECIMAL_FORMAT_SYMBOLS = new DecimalFormatSymbols(Locale.ENGLISH);
private static final ZoneId GMT = ZoneId.of("GMT");
private static final DateTimeFormatter[] DATE_PARSERS = new DateTimeFormatter[] {
DateTimeFormatter.RFC_1123_DATE_TIME,
DateTimeFormatter.ofPattern("EEEE, dd-MMM-yy HH:mm:ss zzz", Locale.US),
DateTimeFormatter.ofPattern("EEE MMM dd HH:mm:ss yyyy", Locale.US).withZone(GMT)
};
/**
* Date formats with time zone as specified in the HTTP RFC to use for formatting.
* @see Section 7.1.1.1 of RFC 7231
*/
private static final DateTimeFormatter DATE_FORMATTER = DateTimeFormatter.ofPattern("EEE, dd MMM yyyy HH:mm:ss zzz", Locale.US).withZone(GMT);
/**
* The HTTP {@code Accept} header field name.
* @see Section 5.3.2 of RFC 7231
*/
public static final String ACCEPT = "Accept";
/**
* The HTTP {@code Accept-Charset} header field name.
* @see Section 5.3.3 of RFC 7231
*/
public static final String ACCEPT_CHARSET = "Accept-Charset";
/**
* The HTTP {@code Accept-Encoding} header field name.
* @see Section 5.3.4 of RFC 7231
*/
public static final String ACCEPT_ENCODING = "Accept-Encoding";
/**
* The HTTP {@code Accept-Language} header field name.
* @see Section 5.3.5 of RFC 7231
*/
public static final String ACCEPT_LANGUAGE = "Accept-Language";
/**
* The HTTP {@code Accept-Ranges} header field name.
* @see Section 5.3.5 of RFC 7233
*/
public static final String ACCEPT_RANGES = "Accept-Ranges";
/**
* The CORS {@code Access-Control-Allow-Credentials} response header field name.
* @see CORS W3C recommendation
*/
public static final String ACCESS_CONTROL_ALLOW_CREDENTIALS = "Access-Control-Allow-Credentials";
/**
* The CORS {@code Access-Control-Allow-Headers} response header field name.
* @see CORS W3C recommendation
*/
public static final String ACCESS_CONTROL_ALLOW_HEADERS = "Access-Control-Allow-Headers";
/**
* The CORS {@code Access-Control-Allow-Methods} response header field name.
* @see CORS W3C recommendation
*/
public static final String ACCESS_CONTROL_ALLOW_METHODS = "Access-Control-Allow-Methods";
/**
* The CORS {@code Access-Control-Allow-Origin} response header field name.
* @see CORS W3C recommendation
*/
public static final String ACCESS_CONTROL_ALLOW_ORIGIN = "Access-Control-Allow-Origin";
/**
* The CORS {@code Access-Control-Expose-Headers} response header field name.
* @see CORS W3C recommendation
*/
public static final String ACCESS_CONTROL_EXPOSE_HEADERS = "Access-Control-Expose-Headers";
/**
* The CORS {@code Access-Control-Max-Age} response header field name.
* @see CORS W3C recommendation
*/
public static final String ACCESS_CONTROL_MAX_AGE = "Access-Control-Max-Age";
/**
* The CORS {@code Access-Control-Request-Headers} request header field name.
* @see CORS W3C recommendation
*/
public static final String ACCESS_CONTROL_REQUEST_HEADERS = "Access-Control-Request-Headers";
/**
* The CORS {@code Access-Control-Request-Method} request header field name.
* @see CORS W3C recommendation
*/
public static final String ACCESS_CONTROL_REQUEST_METHOD = "Access-Control-Request-Method";
/**
* The HTTP {@code Age} header field name.
* @see Section 5.1 of RFC 7234
*/
public static final String AGE = "Age";
/**
* The HTTP {@code Allow} header field name.
* @see Section 7.4.1 of RFC 7231
*/
public static final String ALLOW = "Allow";
/**
* The HTTP {@code Authorization} header field name.
* @see Section 4.2 of RFC 7235
*/
public static final String AUTHORIZATION = "Authorization";
/**
* The HTTP {@code Cache-Control} header field name.
* @see Section 5.2 of RFC 7234
*/
public static final String CACHE_CONTROL = "Cache-Control";
/**
* The HTTP {@code Connection} header field name.
* @see Section 6.1 of RFC 7230
*/
public static final String CONNECTION = "Connection";
/**
* The HTTP {@code Content-Encoding} header field name.
* @see Section 3.1.2.2 of RFC 7231
*/
public static final String CONTENT_ENCODING = "Content-Encoding";
/**
* The HTTP {@code Content-Disposition} header field name.
* @see RFC 6266
*/
public static final String CONTENT_DISPOSITION = "Content-Disposition";
/**
* The HTTP {@code Content-Language} header field name.
* @see Section 3.1.3.2 of RFC 7231
*/
public static final String CONTENT_LANGUAGE = "Content-Language";
/**
* The HTTP {@code Content-Length} header field name.
* @see Section 3.3.2 of RFC 7230
*/
public static final String CONTENT_LENGTH = "Content-Length";
/**
* The HTTP {@code Content-Location} header field name.
* @see Section 3.1.4.2 of RFC 7231
*/
public static final String CONTENT_LOCATION = "Content-Location";
/**
* The HTTP {@code Content-Range} header field name.
* @see Section 4.2 of RFC 7233
*/
public static final String CONTENT_RANGE = "Content-Range";
/**
* The HTTP {@code Content-Type} header field name.
* @see Section 3.1.1.5 of RFC 7231
*/
public static final String CONTENT_TYPE = "Content-Type";
/**
* The HTTP {@code Cookie} header field name.
* @see Section 4.3.4 of RFC 2109
*/
public static final String COOKIE = "Cookie";
/**
* The HTTP {@code Date} header field name.
* @see Section 7.1.1.2 of RFC 7231
*/
public static final String DATE = "Date";
/**
* The HTTP {@code ETag} header field name.
* @see Section 2.3 of RFC 7232
*/
public static final String ETAG = "ETag";
/**
* The HTTP {@code Expect} header field name.
* @see Section 5.1.1 of RFC 7231
*/
public static final String EXPECT = "Expect";
/**
* The HTTP {@code Expires} header field name.
* @see Section 5.3 of RFC 7234
*/
public static final String EXPIRES = "Expires";
/**
* The HTTP {@code From} header field name.
* @see Section 5.5.1 of RFC 7231
*/
public static final String FROM = "From";
/**
* The HTTP {@code Host} header field name.
* @see Section 5.4 of RFC 7230
*/
public static final String HOST = "Host";
/**
* The HTTP {@code If-Match} header field name.
* @see Section 3.1 of RFC 7232
*/
public static final String IF_MATCH = "If-Match";
/**
* The HTTP {@code If-Modified-Since} header field name.
* @see Section 3.3 of RFC 7232
*/
public static final String IF_MODIFIED_SINCE = "If-Modified-Since";
/**
* The HTTP {@code If-None-Match} header field name.
* @see Section 3.2 of RFC 7232
*/
public static final String IF_NONE_MATCH = "If-None-Match";
/**
* The HTTP {@code If-Range} header field name.
* @see Section 3.2 of RFC 7233
*/
public static final String IF_RANGE = "If-Range";
/**
* The HTTP {@code If-Unmodified-Since} header field name.
* @see Section 3.4 of RFC 7232
*/
public static final String IF_UNMODIFIED_SINCE = "If-Unmodified-Since";
/**
* The HTTP {@code Last-Modified} header field name.
* @see Section 2.2 of RFC 7232
*/
public static final String LAST_MODIFIED = "Last-Modified";
/**
* The HTTP {@code Link} header field name.
* @see RFC 5988
*/
public static final String LINK = "Link";
/**
* The HTTP {@code Location} header field name.
* @see Section 7.1.2 of RFC 7231
*/
public static final String LOCATION = "Location";
/**
* The HTTP {@code Max-Forwards} header field name.
* @see Section 5.1.2 of RFC 7231
*/
public static final String MAX_FORWARDS = "Max-Forwards";
/**
* The HTTP {@code Origin} header field name.
* @see RFC 6454
*/
public static final String ORIGIN = "Origin";
/**
* The HTTP {@code Pragma} header field name.
* @see Section 5.4 of RFC 7234
*/
public static final String PRAGMA = "Pragma";
/**
* The HTTP {@code Proxy-Authenticate} header field name.
* @see Section 4.3 of RFC 7235
*/
public static final String PROXY_AUTHENTICATE = "Proxy-Authenticate";
/**
* The HTTP {@code Proxy-Authorization} header field name.
* @see Section 4.4 of RFC 7235
*/
public static final String PROXY_AUTHORIZATION = "Proxy-Authorization";
/**
* The HTTP {@code Range} header field name.
* @see Section 3.1 of RFC 7233
*/
public static final String RANGE = "Range";
/**
* The HTTP {@code Referer} header field name.
* @see Section 5.5.2 of RFC 7231
*/
public static final String REFERER = "Referer";
/**
* The HTTP {@code Retry-After} header field name.
* @see Section 7.1.3 of RFC 7231
*/
public static final String RETRY_AFTER = "Retry-After";
/**
* The HTTP {@code Server} header field name.
* @see Section 7.4.2 of RFC 7231
*/
public static final String SERVER = "Server";
/**
* The HTTP {@code Set-Cookie} header field name.
* @see Section 4.2.2 of RFC 2109
*/
public static final String SET_COOKIE = "Set-Cookie";
/**
* The HTTP {@code Set-Cookie2} header field name.
* @see RFC 2965
*/
public static final String SET_COOKIE2 = "Set-Cookie2";
/**
* The HTTP {@code TE} header field name.
* @see Section 4.3 of RFC 7230
*/
public static final String TE = "TE";
/**
* The HTTP {@code Trailer} header field name.
* @see Section 4.4 of RFC 7230
*/
public static final String TRAILER = "Trailer";
/**
* The HTTP {@code Transfer-Encoding} header field name.
* @see Section 3.3.1 of RFC 7230
*/
public static final String TRANSFER_ENCODING = "Transfer-Encoding";
/**
* The HTTP {@code Upgrade} header field name.
* @see Section 6.7 of RFC 7230
*/
public static final String UPGRADE = "Upgrade";
/**
* The HTTP {@code User-Agent} header field name.
* @see Section 5.5.3 of RFC 7231
*/
public static final String USER_AGENT = "User-Agent";
/**
* The HTTP {@code Vary} header field name.
* @see Section 7.1.4 of RFC 7231
*/
public static final String VARY = "Vary";
/**
* The HTTP {@code Via} header field name.
* @see Section 5.7.1 of RFC 7230
*/
public static final String VIA = "Via";
/**
* The HTTP {@code Warning} header field name.
* @see Section 5.5 of RFC 7234
*/
public static final String WARNING = "Warning";
/**
* The HTTP {@code WWW-Authenticate} header field name.
* @see Section 4.1 of RFC 7235
*/
public static final String WWW_AUTHENTICATE = "WWW-Authenticate";
final Map> headers;
public HttpHeaders() {
this(new HashMap<>());
}
public HttpHeaders(Map> headers) {
Objects.requireNonNull(headers, "Map must not be null");
this.headers = headers;
}
public List getOrEmpty(Object headerName) {
List values = get(headerName);
return (values != null ? values : Collections.emptyList());
}
public String getFirst(String headerName) {
return getFirstOrDefault(headerName, null);
}
public String getFirstOrDefault(String headerName, String defaultValue) {
List values = getHeaderValues(headerName);
return (values != null && !values.isEmpty() ? values.get(0) : defaultValue);
}
public Set> firstValueEntrySet() {
Map firstValueMap = new HashMap<>();
this.entrySet().forEach(e -> {
List valueList = e.getValue();
firstValueMap.put(e.getKey(), null == valueList || valueList.isEmpty() ? null : valueList.get(0));
});
return firstValueMap.entrySet();
}
public void add(String headerName, String headerValue) {
List values = this.headers.computeIfAbsent(headerName, k -> new LinkedList<>());
values.add(headerValue);
}
public void addAll(String key, List values) {
this.headers.put(key, values);
}
public void addAll(Map> values) {
this.headers.putAll(values);
}
public List put(String key, List value) {
return this.headers.put(key, value);
}
public void putAll(Map> map) {
this.headers.putAll(map);
}
public void set(String headerName, String headerValue) {
List values = new LinkedList<>();
values.add(headerValue);
this.headers.put(headerName, values);
}
public void setAll(Map> values) {
values.forEach((k, v) -> {
List valuesList = new LinkedList<>();
valuesList.addAll(v);
this.headers.put(k, valuesList);
});
}
public Map toSingleValueMap() {
Map singleValueMap = new LinkedHashMap<>(this.headers.size());
this.headers.forEach((key, values) -> {
if (values != null && !values.isEmpty()) {
singleValueMap.put(key, values.get(0));
}
});
return singleValueMap;
}
public List getValuesAsList(String headerName) {
List values = get(headerName);
if (values != null) {
List result = new ArrayList<>();
for (String value : values) {
if (value != null) {
Collections.addAll(result, value.split(","));
}
}
return result;
}
return Collections.emptyList();
}
public List collectHeaders() {
List headerCollection = headers.entrySet().stream().map(e -> {
return e.getKey() + ": " + StringUtil.collectionToString(e.getValue());
}).collect(Collectors.toList());
return headerCollection;
}
@Override
public int size() {
return this.headers.size();
}
@Override
public boolean isEmpty() {
return this.headers.isEmpty();
}
@Override
public boolean containsKey(Object key) {
return this.headers.containsKey(key);
}
@Override
public boolean containsValue(Object value) {
return this.headers.containsValue(value);
}
@Override
public List get(Object key) {
return getHeaderValues(key);
}
@Override
public List remove(Object key) {
return this.headers.remove(key);
}
@Override
public void clear() {
this.headers.clear();
}
@Override
public Set keySet() {
return this.headers.keySet();
}
@Override
public Collection> values() {
return this.headers.values();
}
@Override
public Set>> entrySet() {
return this.headers.entrySet();
}
public void setAccept(List acceptableMediaTypes) {
setAccept(HttpMediaType.toString(acceptableMediaTypes));
}
public void setAccept(HttpMediaType acceptableMediaType) {
setAccept(HttpMediaType.toString(acceptableMediaType));
}
public void setAccept(String acceptableMediaType) {
set(ACCEPT, acceptableMediaType);
}
public List getAccept() {
try {
return HttpMediaType.parseMediaTypes(get(ACCEPT));
} catch (IOException e) {
e.printStackTrace();
return Collections.emptyList();
}
}
public void setAcceptLanguage(List languages) {
Objects.requireNonNull(languages, "LanguageRange List must not be null");
DecimalFormat decimal = new DecimalFormat("0.0", DECIMAL_FORMAT_SYMBOLS);
List values = languages.stream()
.map(range ->
range.getWeight() == Locale.LanguageRange.MAX_WEIGHT ?
range.getRange() :
range.getRange() + ";q=" + decimal.format(range.getWeight()))
.collect(Collectors.toList());
set(ACCEPT_LANGUAGE, toCommaDelimitedString(values));
}
public List getAcceptLanguage() {
String value = getFirst(ACCEPT_LANGUAGE);
return (null != value && !value.isEmpty() ? Locale.LanguageRange.parse(value) : Collections.emptyList());
}
public void setAcceptLanguageAsLocales(List locales) {
setAcceptLanguage(locales.stream()
.map(locale -> new Locale.LanguageRange(locale.toLanguageTag()))
.collect(Collectors.toList()));
}
public List getAcceptLanguageAsLocales() {
List ranges = getAcceptLanguage();
if (ranges.isEmpty()) {
return Collections.emptyList();
}
return ranges.stream()
.map(range -> Locale.forLanguageTag(range.getRange()))
.filter(locale -> null != locale.getDisplayName() && !locale.getDisplayName().isEmpty())
.collect(Collectors.toList());
}
public void setAccessControlAllowCredentials(boolean allowCredentials) {
set(ACCESS_CONTROL_ALLOW_CREDENTIALS, Boolean.toString(allowCredentials));
}
public boolean getAccessControlAllowCredentials() {
return Boolean.parseBoolean(getFirst(ACCESS_CONTROL_ALLOW_CREDENTIALS));
}
public void setAccessControlAllowHeaders(List allowedHeaders) {
set(ACCESS_CONTROL_ALLOW_HEADERS, toCommaDelimitedString(allowedHeaders));
}
public List getAccessControlAllowHeaders() {
return getValuesAsList(ACCESS_CONTROL_ALLOW_HEADERS);
}
public void setAccessControlAllowMethods(List allowedMethods) {
set(ACCESS_CONTROL_ALLOW_METHODS, StringUtil.collectionToString(allowedMethods));
}
public List getAccessControlAllowMethods() {
List result = new ArrayList<>();
String value = getFirst(ACCESS_CONTROL_ALLOW_METHODS);
if (value != null) {
String[] tokens = value.split(",");
for (String token : tokens) {
HttpRequestMethod resolved = HttpRequestMethod.resolve(token);
if (resolved != null) {
result.add(resolved);
}
}
}
return result;
}
public void setAccessControlAllowOrigin(String allowedOrigin) {
setOrRemove(ACCESS_CONTROL_ALLOW_ORIGIN, allowedOrigin);
}
public String getAccessControlAllowOrigin() {
return getFieldValues(ACCESS_CONTROL_ALLOW_ORIGIN);
}
public void setAccessControlExposeHeaders(List exposedHeaders) {
set(ACCESS_CONTROL_EXPOSE_HEADERS, toCommaDelimitedString(exposedHeaders));
}
public List getAccessControlExposeHeaders() {
return getValuesAsList(ACCESS_CONTROL_EXPOSE_HEADERS);
}
public void setAccessControlMaxAge(Duration maxAge) {
set(ACCESS_CONTROL_MAX_AGE, Long.toString(maxAge.getSeconds()));
}
public void setAccessControlMaxAge(long maxAge) {
set(ACCESS_CONTROL_MAX_AGE, Long.toString(maxAge));
}
public long getAccessControlMaxAge() {
String value = getFirst(ACCESS_CONTROL_MAX_AGE);
return (value != null ? Long.parseLong(value) : -1);
}
public void setAccessControlRequestHeaders(List requestHeaders) {
set(ACCESS_CONTROL_REQUEST_HEADERS, toCommaDelimitedString(requestHeaders));
}
public List getAccessControlRequestHeaders() {
return getValuesAsList(ACCESS_CONTROL_REQUEST_HEADERS);
}
public void setAccessControlRequestMethod(HttpRequestMethod requestMethod) {
setOrRemove(ACCESS_CONTROL_REQUEST_METHOD, (requestMethod != null ? requestMethod.name() : null));
}
public HttpRequestMethod getAccessControlRequestMethod() {
return HttpRequestMethod.resolve(getFirst(ACCESS_CONTROL_REQUEST_METHOD));
}
public void setAcceptCharset(List acceptableCharsets) {
StringJoiner joiner = new StringJoiner(", ");
for (Charset charset : acceptableCharsets) {
joiner.add(charset.name().toLowerCase(Locale.ENGLISH));
}
set(ACCEPT_CHARSET, joiner.toString());
}
public List getAcceptCharset() {
String value = getFirst(ACCEPT_CHARSET);
if (value != null) {
String[] tokens = value.split(",");
List result = new ArrayList<>(tokens.length);
for (String token : tokens) {
int paramIdx = token.indexOf(';');
String charsetName;
if (paramIdx == -1) {
charsetName = token;
} else {
charsetName = token.substring(0, paramIdx);
}
if (!charsetName.equals("*")) {
result.add(Charset.forName(charsetName));
}
}
return result;
} else {
return Collections.emptyList();
}
}
public void setAllow(Set allowedMethods) {
set(ALLOW, StringUtil.collectionToString(allowedMethods));
}
public Set getAllow() {
String value = getFirst(ALLOW);
if (null != value && value.isEmpty()) {
String[] tokens = value.split(",");
List result = new ArrayList<>(tokens.length);
for (String token : tokens) {
HttpRequestMethod resolved = HttpRequestMethod.resolve(token);
if (resolved != null) {
result.add(resolved);
}
}
return EnumSet.copyOf(result);
} else {
return EnumSet.noneOf(HttpRequestMethod.class);
}
}
public void setBasicAuth(String username, String password) {
setBasicAuth(username, password, null);
}
public void setBasicAuth(String username, String password, Charset charset) {
setBasicAuth(encodeBasicAuth(username, password, charset));
}
public void setBasicAuth(String encodedCredentials) {
if (null == encodedCredentials|| encodedCredentials.isEmpty()) {
throw new IllegalArgumentException("'encodedCredentials' must not be null or blank");
}
set(AUTHORIZATION, "Basic " + encodedCredentials);
}
public void setBearerAuth(String token) {
set(AUTHORIZATION, "Bearer " + token);
}
public void setCacheControl(HttpHeaderCacheControl httpHeaderCacheControl) {
setOrRemove(CACHE_CONTROL, httpHeaderCacheControl.getHeaderValue());
}
public void setCacheControl(String cacheControl) {
setOrRemove(CACHE_CONTROL, cacheControl);
}
public String getCacheControl() {
return getFieldValues(CACHE_CONTROL);
}
public void setConnection(String connection) {
set(CONNECTION, connection);
}
public void setConnection(List connection) {
set(CONNECTION, toCommaDelimitedString(connection));
}
public List getConnection() {
return getValuesAsList(CONNECTION);
}
public String getFirstConnection() {
return getFirst(CONNECTION);
}
public void setContentDispositionFormData(String name, String filename) {
Objects.requireNonNull(name, "Name must not be null");
HttpHeaderContentDisposition.Builder disposition = HttpHeaderContentDisposition.builder("form-data").name(name);
if (StringUtil.isNotBlank(filename)) {
disposition.filename(filename);
}
setContentDisposition(disposition.build());
}
public void setContentDisposition(HttpHeaderContentDisposition httpHeaderContentDisposition) {
set(CONTENT_DISPOSITION, httpHeaderContentDisposition.toString());
}
public HttpHeaderContentDisposition getContentDisposition() {
String contentDisposition = getFirst(CONTENT_DISPOSITION);
if (StringUtil.isNotBlank(contentDisposition)) {
return HttpHeaderContentDisposition.parse(contentDisposition);
}
return HttpHeaderContentDisposition.empty();
}
public void setContentLanguage(Locale locale) {
setOrRemove(CONTENT_LANGUAGE, (locale != null ? locale.toLanguageTag() : null));
}
public Locale getContentLanguage() {
return getValuesAsList(CONTENT_LANGUAGE)
.stream()
.findFirst()
.map(Locale::forLanguageTag)
.orElse(null);
}
public void setContentLength(long contentLength) {
set(CONTENT_LENGTH, Long.toString(contentLength));
}
public long getContentLength() {
String value = getFirst(CONTENT_LENGTH);
return (value != null ? Long.parseLong(value) : -1);
}
public void setContentType(HttpMediaType mediaType) {
if (mediaType != null) {
if (mediaType.isWildcardType()) {
throw new IllegalArgumentException("Content-Type cannot contain wildcard type '*'");
}
if (mediaType.isWildcardSubtype()) {
throw new IllegalArgumentException("Content-Type cannot contain wildcard subtype '*'");
}
set(CONTENT_TYPE, mediaType.toString());
} else {
remove(CONTENT_TYPE);
}
}
public HttpMediaType getContentType() {
String value = getFirst(CONTENT_TYPE);
try {
return (null != value && !value.isEmpty() ? HttpMediaType.parse(value) : null);
} catch (IOException e) {
e.printStackTrace();
return null;
}
}
public void setDate(ZonedDateTime date) {
setZonedDateTime(DATE, date);
}
public void setDate(Instant date) {
setInstant(DATE, date);
}
public void setDate(long date) {
setDate(DATE, date);
}
public long getDate() {
return getFirstDate(DATE);
}
public void setETag(String etag) {
if (etag != null) {
if (!(etag.startsWith("\"") || etag.startsWith("W/"))) {
throw new IllegalArgumentException("Invalid ETag: does not start with W/ or \"");
}
if (!etag.endsWith("\"")) {
throw new IllegalArgumentException("Invalid ETag: does not end with \"");
}
set(ETAG, etag);
} else {
remove(ETAG);
}
}
public String getETag() {
return getFirst(ETAG);
}
public void setExpires(ZonedDateTime expires) {
setZonedDateTime(EXPIRES, expires);
}
public void setExpires(Instant expires) {
setInstant(EXPIRES, expires);
}
public void setExpires(long expires) {
setDate(EXPIRES, expires);
}
public long getExpires() {
return getFirstDate(EXPIRES, false);
}
public void setHost(InetSocketAddress host) {
if (host != null) {
String value = host.getHostString();
int port = host.getPort();
if (port != 0) {
value = value + ":" + port;
}
set(HOST, value);
} else {
remove(HOST, null);
}
}
public InetSocketAddress getHost() {
String value = getFirst(HOST);
if (value == null) {
return null;
}
String host = null;
int port = 0;
int separator = (value.startsWith("[") ? value.indexOf(':', value.indexOf(']')) : value.lastIndexOf(':'));
if (separator != -1) {
host = value.substring(0, separator);
String portString = value.substring(separator + 1);
try {
port = Integer.parseInt(portString);
} catch (NumberFormatException ex) {
// ignore
}
}
if (host == null) {
host = value;
}
return InetSocketAddress.createUnresolved(host, port);
}
public void setIfMatch(String ifMatch) {
set(IF_MATCH, ifMatch);
}
public void setIfMatch(List ifMatchList) {
set(IF_MATCH, toCommaDelimitedString(ifMatchList));
}
public List getIfMatch() {
return getETagValuesAsList(IF_MATCH);
}
public void setIfModifiedSince(ZonedDateTime ifModifiedSince) {
setZonedDateTime(IF_MODIFIED_SINCE, ifModifiedSince.withZoneSameInstant(GMT));
}
public void setIfModifiedSince(Instant ifModifiedSince) {
setInstant(IF_MODIFIED_SINCE, ifModifiedSince);
}
public void setIfModifiedSince(long ifModifiedSince) {
setDate(IF_MODIFIED_SINCE, ifModifiedSince);
}
public long getIfModifiedSince() {
return getFirstDate(IF_MODIFIED_SINCE, false);
}
public void setIfNoneMatch(String ifNoneMatch) {
set(IF_NONE_MATCH, ifNoneMatch);
}
public void setIfNoneMatch(List ifNoneMatchList) {
set(IF_NONE_MATCH, toCommaDelimitedString(ifNoneMatchList));
}
public List getIfNoneMatch() {
return getETagValuesAsList(IF_NONE_MATCH);
}
public void setIfUnmodifiedSince(ZonedDateTime ifUnmodifiedSince) {
setZonedDateTime(IF_UNMODIFIED_SINCE, ifUnmodifiedSince.withZoneSameInstant(GMT));
}
public void setIfUnmodifiedSince(Instant ifUnmodifiedSince) {
setInstant(IF_UNMODIFIED_SINCE, ifUnmodifiedSince);
}
public void setIfUnmodifiedSince(long ifUnmodifiedSince) {
setDate(IF_UNMODIFIED_SINCE, ifUnmodifiedSince);
}
public long getIfUnmodifiedSince() {
return getFirstDate(IF_UNMODIFIED_SINCE, false);
}
public void setLastModified(ZonedDateTime lastModified) {
setZonedDateTime(LAST_MODIFIED, lastModified.withZoneSameInstant(GMT));
}
public void setLastModified(Instant lastModified) {
setInstant(LAST_MODIFIED, lastModified);
}
public void setLastModified(long lastModified) {
setDate(LAST_MODIFIED, lastModified);
}
public long getLastModified() {
return getFirstDate(LAST_MODIFIED, false);
}
public void setLocation(URI location) {
setOrRemove(LOCATION, (location != null ? location.toASCIIString() : null));
}
public URI getLocation() {
String value = getFirst(LOCATION);
return (value != null ? URI.create(value) : null);
}
public void setOrigin(String origin) {
setOrRemove(ORIGIN, origin);
}
public String getOrigin() {
return getFirst(ORIGIN);
}
public void setPragma(String pragma) {
setOrRemove(PRAGMA, pragma);
}
public String getPragma() {
return getFirst(PRAGMA);
}
public void setRange(List ranges) {
String value = HttpHeaderRange.toString(ranges);
set(RANGE, value);
}
public List getRange() {
String value = getFirst(RANGE);
return HttpHeaderRange.parseRanges(value);
}
public void setUpgrade(String upgrade) {
setOrRemove(UPGRADE, upgrade);
}
public String getUpgrade() {
return getFirst(UPGRADE);
}
public void setVary(List requestHeaders) {
set(VARY, toCommaDelimitedString(requestHeaders));
}
public List getVary() {
return getValuesAsList(VARY);
}
public void setZonedDateTime(String headerName, ZonedDateTime date) {
set(headerName, DATE_FORMATTER.format(date));
}
public void setInstant(String headerName, Instant date) {
setZonedDateTime(headerName, ZonedDateTime.ofInstant(date, GMT));
}
public void setDate(String headerName, long date) {
setInstant(headerName, Instant.ofEpochMilli(date));
}
public long getFirstDate(String headerName) {
return getFirstDate(headerName, true);
}
private long getFirstDate(String headerName, boolean rejectInvalid) {
ZonedDateTime zonedDateTime = getFirstZonedDateTime(headerName, rejectInvalid);
return (zonedDateTime != null ? zonedDateTime.toInstant().toEpochMilli() : -1);
}
public ZonedDateTime getFirstZonedDateTime(String headerName) {
return getFirstZonedDateTime(headerName, true);
}
@Override
public boolean equals(Object other) {
if (this == other) {
return true;
}
if (!(other instanceof HttpHeaders)) {
return false;
}
return unwrap(this).equals(unwrap((HttpHeaders) other));
}
@Override
public int hashCode() {
return this.headers.hashCode();
}
@Override
public String toString() {
return formatHeaders(this.headers);
}
protected String getFieldValues(String headerName) {
List headerValues = get(headerName);
return (headerValues != null ? toCommaDelimitedString(headerValues) : null);
}
protected String toCommaDelimitedString(List headerValues) {
StringJoiner joiner = new StringJoiner(", ");
for (String val : headerValues) {
if (val != null) {
joiner.add(val);
}
}
return joiner.toString();
}
protected List getETagValuesAsList(String headerName) {
List values = get(headerName);
if (values != null) {
List result = new ArrayList<>();
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();
}
private void setOrRemove(String headerName, String headerValue) {
if (headerValue != null) {
set(headerName, headerValue);
} else {
remove(headerName);
}
}
private List getHeaderValues(Object headerName) {
return this.headers.get(headerName);
}
private ZonedDateTime getFirstZonedDateTime(String headerName, boolean rejectInvalid) {
String headerValue = getFirst(headerName);
if (headerValue == null) {
// No header value sent at all
return null;
}
if (headerValue.length() >= 3) {
// Short "0" or "-1" like values are never valid HTTP date headers...
// Let's only bother with DateTimeFormatter parsing for long enough values.
// See https://stackoverflow.com/questions/12626699/if-modified-since-http-header-passed-by-ie9-includes-length
int parametersIndex = headerValue.indexOf(';');
if (parametersIndex != -1) {
headerValue = headerValue.substring(0, parametersIndex);
}
for (DateTimeFormatter dateFormatter : DATE_PARSERS) {
try {
return ZonedDateTime.parse(headerValue, dateFormatter);
}
catch (DateTimeParseException ex) {
// ignore
}
}
}
if (rejectInvalid) {
throw new IllegalArgumentException("Cannot parse date value \"" + headerValue +
"\" for \"" + headerName + "\" header");
}
return null;
}
public static String formatHeaders(Map> headers) {
return headers.entrySet().stream()
.map(entry -> {
List values = entry.getValue();
return entry.getKey() + ":" + (values.size() == 1 ?
"\"" + values.get(0) + "\"" :
values.stream().map(s -> "\"" + s + "\"").collect(Collectors.joining(", ")));
})
.collect(Collectors.joining(", ", "[", "]"));
}
private static Map> unwrap(HttpHeaders headers) {
while (headers.headers instanceof HttpHeaders) {
headers = (HttpHeaders) headers.headers;
}
return headers.headers;
}
public static String encodeBasicAuth(String username, String password, Charset charset) {
Objects.requireNonNull(username, "Username must not be null");
Objects.requireNonNull(password, "Password must not be null");
if (!username.contains(":")) {
throw new IllegalArgumentException("Username must not contain a colon");
}
if (charset == null) {
charset = StandardCharsets.ISO_8859_1;
}
CharsetEncoder encoder = charset.newEncoder();
if (!encoder.canEncode(username) || !encoder.canEncode(password)) {
throw new IllegalArgumentException(
"Username or password contains characters that cannot be encoded to " + charset.displayName());
}
String credentialsString = username + ":" + password;
byte[] encodedBytes = Base64.getEncoder().encode(credentialsString.getBytes(charset));
return new String(encodedBytes, charset);
}
// Package-private: used in ResponseCookie
static String formatDate(long date) {
Instant instant = Instant.ofEpochMilli(date);
ZonedDateTime time = ZonedDateTime.ofInstant(instant, GMT);
return DATE_FORMATTER.format(time);
}
}