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27 package org.apache.hc.client5.http.impl.cookie;
28
29 import java.time.Instant;
30 import java.util.regex.Matcher;
31 import java.util.regex.Pattern;
32
33 import org.apache.hc.client5.http.cookie.CommonCookieAttributeHandler;
34 import org.apache.hc.client5.http.cookie.Cookie;
35 import org.apache.hc.client5.http.cookie.MalformedCookieException;
36 import org.apache.hc.client5.http.cookie.SetCookie;
37 import org.apache.hc.core5.annotation.Contract;
38 import org.apache.hc.core5.annotation.ThreadingBehavior;
39 import org.apache.hc.core5.util.Args;
40 import org.apache.hc.core5.util.TextUtils;
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48 @Contract(threading = ThreadingBehavior.STATELESS)
49 public class LaxMaxAgeHandler extends AbstractCookieAttributeHandler implements CommonCookieAttributeHandler {
50
51
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54
55
56 public static final LaxMaxAgeHandler INSTANCE = new LaxMaxAgeHandler();
57
58 private final static Pattern MAX_AGE_PATTERN = Pattern.compile("^\\-?[0-9]+$");
59
60 public LaxMaxAgeHandler() {
61 super();
62 }
63
64 @Override
65 public void parse(final SetCookie cookie, final String value) throws MalformedCookieException {
66 Args.notNull(cookie, "Cookie");
67 if (TextUtils.isBlank(value)) {
68 return;
69 }
70 final Matcher matcher = MAX_AGE_PATTERN.matcher(value);
71 if (matcher.matches()) {
72 final int age;
73 try {
74 age = Integer.parseInt(value);
75 } catch (final NumberFormatException e) {
76 return;
77 }
78 final Instant expiryDate = age >= 0 ? Instant.now().plusSeconds(age) :
79 Instant.EPOCH;
80 cookie.setExpiryDate(expiryDate);
81 }
82 }
83
84 @Override
85 public String getAttributeName() {
86 return Cookie.MAX_AGE_ATTR;
87 }
88
89 }