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MirrorAddressFilter.java
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MirrorAddressFilter.java
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/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.activemq.artemis.protocol.amqp.connect.mirror;
import java.util.HashSet;
import java.util.Set;
import org.apache.activemq.artemis.api.core.SimpleString;
public class MirrorAddressFilter {
private final SimpleString[] allowList;
private final SimpleString[] denyList;
public MirrorAddressFilter(String filter) {
Set<SimpleString> allowList = new HashSet<>();
Set<SimpleString> denyList = new HashSet<>();
if (filter != null && !filter.isEmpty()) {
String[] parts = filter.split(",");
for (String part : parts) {
if (!"".equals(part) && !"!".equals(part)) {
if (part.startsWith("!")) {
denyList.add(new SimpleString(part.substring(1)));
} else {
allowList.add(new SimpleString(part));
}
}
}
}
this.allowList = allowList.toArray(new SimpleString[]{});
this.denyList = denyList.toArray(new SimpleString[]{});
}
public boolean match(SimpleString checkAddress) {
if (denyList.length > 0) {
for (SimpleString pattern : denyList) {
if (checkAddress.startsWith(pattern)) {
return false;
}
}
}
if (allowList.length > 0) {
for (SimpleString pattern : allowList) {
if (checkAddress.startsWith(pattern)) {
return true;
}
}
return false;
}
return true;
}
}