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22 package org.apache.james.transport.matchers;
23
24 import org.apache.mailet.base.GenericMatcher;
25 import org.apache.mailet.Mail;
26
27 import javax.mail.MessagingException;
28 import java.util.Collection;
29 import java.util.Locale;
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38 public class SizeGreaterThan extends GenericMatcher {
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40 int cutoff = 0;
41
42 public void init() throws MessagingException {
43 String amount = getCondition();
44
45 if (amount != null) {
46 amount = amount.trim().toLowerCase(Locale.US);
47 } else {
48 throw new MessagingException("Please configure an amount");
49 }
50 try {
51 if (amount.endsWith("k")) {
52 amount = amount.substring(0, amount.length() - 1);
53 cutoff = Integer.parseInt(amount) * 1024;
54 } else if (amount.endsWith("m")) {
55 amount = amount.substring(0, amount.length() - 1);
56 cutoff = Integer.parseInt(amount) * 1024 * 1024;
57 } else {
58 cutoff = Integer.parseInt(amount);
59 }
60 } catch (NumberFormatException e) {
61 throw new MessagingException("Invalid amount: " + amount);
62 }
63 }
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68 public Collection match(Mail mail) throws MessagingException {
69 if (mail.getMessageSize() > cutoff) {
70 return mail.getRecipients();
71 } else {
72 return null;
73 }
74 }
75 }