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Message Collector - body length limit #190

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merged 1 commit into from
Apr 9, 2024
Merged

Message Collector - body length limit #190

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17 changes: 15 additions & 2 deletions dil/src/main/java/org/assimbly/dil/event/collect/MessageCollector.java
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Original file line number Diff line number Diff line change
Expand Up @@ -27,6 +27,9 @@ public class MessageCollector extends EventNotifierSupport {
private final String flowId;
private final String flowVersion;

private final String MSG_COLLECTOR_LIMIT_BODY_LENGTH = "MSG_COLLECTOR_LIMIT_BODY_LENGTH";
private final int MSG_COLLECTOR_DEFAULT_LIMIT_BODY_LENGTH = 250000;


public MessageCollector(String collectorId, String flowId, String flowVersion, ArrayList<String> events, ArrayList<Filter> filters, ArrayList<org.assimbly.dil.event.domain.Store> stores) {
this.collectorId = collectorId;
Expand Down Expand Up @@ -119,11 +122,12 @@ public String getBody(Message message) {
try {

byte[] body = message.getBody(byte[].class);
int limitBodyLength = getLimitBodyLength();

if (body == null || body.length == 0) {
return "<empty>";
}else if (body.length > 250000) {
return new String(Arrays.copyOfRange(body, 0, 250000), StandardCharsets.UTF_8);
}else if (body.length > limitBodyLength) {
return new String(Arrays.copyOfRange(body, 0, limitBodyLength), StandardCharsets.UTF_8);
}else{
return new String (body, StandardCharsets.UTF_8);
}
Expand All @@ -139,4 +143,13 @@ public String getBody(Message message) {

}

private int getLimitBodyLength() {
try {
String bodyLength = System.getenv(MSG_COLLECTOR_LIMIT_BODY_LENGTH);
return Integer.parseInt(bodyLength);
} catch (Exception e) {
return MSG_COLLECTOR_DEFAULT_LIMIT_BODY_LENGTH;
}
}

}