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27 package org.apache.http.impl.cookie;
28
29 import java.util.Date;
30 import java.util.regex.Matcher;
31 import java.util.regex.Pattern;
32
33 import org.apache.http.annotation.Contract;
34 import org.apache.http.annotation.ThreadingBehavior;
35 import org.apache.http.cookie.ClientCookie;
36 import org.apache.http.cookie.CommonCookieAttributeHandler;
37 import org.apache.http.cookie.MalformedCookieException;
38 import org.apache.http.cookie.SetCookie;
39 import org.apache.http.util.Args;
40 import org.apache.http.util.TextUtils;
41
42
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44
45
46 @Contract(threading = ThreadingBehavior.IMMUTABLE)
47 public class LaxMaxAgeHandler extends AbstractCookieAttributeHandler implements CommonCookieAttributeHandler {
48
49 private final static Pattern MAX_AGE_PATTERN = Pattern.compile("^\\-?[0-9]+$");
50
51 public LaxMaxAgeHandler() {
52 super();
53 }
54
55 @Override
56 public void parse(final SetCookie cookie, final String value) throws MalformedCookieException {
57 Args.notNull(cookie, "Cookie");
58 if (TextUtils.isBlank(value)) {
59 return;
60 }
61 final Matcher matcher = MAX_AGE_PATTERN.matcher(value);
62 if (matcher.matches()) {
63 final int age;
64 try {
65 age = Integer.parseInt(value);
66 } catch (final NumberFormatException e) {
67 return;
68 }
69 final Date expiryDate = age >= 0 ? new Date(System.currentTimeMillis() + age * 1000L) :
70 new Date(Long.MIN_VALUE);
71 cookie.setExpiryDate(expiryDate);
72 }
73 }
74
75 @Override
76 public String getAttributeName() {
77 return ClientCookie.MAX_AGE_ATTR;
78 }
79
80 }