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Fix parsing of empty RFC5424 structured data in a message.

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Refs Graylog2/graylog2-server#1161.
This commit is contained in:
Bernd Ahlers 2015-05-22 18:21:07 +02:00
parent 3a4555e1ca
commit 91557d687f
2 changed files with 13 additions and 2 deletions
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11
src/main/java/org/graylog2/syslog4j/impl/message/structured/StructuredSyslogMessage.java
View File

@ -31,6 +31,9 @@ import java.util.Set;
* @version $Id: StructuredSyslogMessage.java,v 1.5 2010/09/11 16:49:24 cvs Exp $
*/
public class StructuredSyslogMessage extends AbstractSyslogMessage implements StructuredSyslogMessageIF {
public static final String EMPTY_STRUCTURED_DATA_PREFIX = "- - ";
public static final int EMPTY_STRUCTURED_DATA_PREFIX_LENGTH = EMPTY_STRUCTURED_DATA_PREFIX.length();
private String messageId;
private Map<String, Map<String, String>> structuredData;
private String message;
@ -84,6 +87,14 @@ public class StructuredSyslogMessage extends AbstractSyslogMessage implements St
private void deserialize(final String stringMessage) {
// Check if the RFC5424 MSGID and STRUCTURED-DATA fields are empty.
// This avoids throwing an exception and also strips the "- - " from the message.
// See: https://github.com/Graylog2/graylog2-server/issues/1161
if (stringMessage.startsWith(EMPTY_STRUCTURED_DATA_PREFIX)) {
this.message = stringMessage.substring(EMPTY_STRUCTURED_DATA_PREFIX_LENGTH);
return;
}
int start = stringMessage.indexOf('[');
int end = -1;

4
src/test/java/org/graylog2/syslog4j/server/impl/event/structured/StructuredSyslogServerEventTest.java
View File

@ -101,7 +101,7 @@ public class StructuredSyslogServerEventTest {
assertEquals(null, event.getStructuredMessage().getStructuredData());
assertEquals(null, event.getStructuredMessage().getMessageId());
assertEquals("- - tralala", event.getStructuredMessage().getMessage());
assertEquals("tralala", event.getStructuredMessage().getMessage());
}
@Test
@ -160,7 +160,7 @@ public class StructuredSyslogServerEventTest {
assertEquals(null, event.getStructuredMessage().getStructuredData());
assertEquals(null, event.getStructuredMessage().getMessageId());
assertEquals("- - %% It's time to make the do-nuts.", event.getStructuredMessage().getMessage());
assertEquals("%% It's time to make the do-nuts.", event.getStructuredMessage().getMessage());
}
@Test