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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.dubbo.common;
import org.apache.dubbo.common.constants.CommonConstants;
import org.apache.dubbo.common.utils.StringUtils;
import java.util.Objects;
public class ServiceKey {
private final String interfaceName;
private final String group;
private final String version;
public ServiceKey(String interfaceName, String version, String group) {
this.interfaceName = interfaceName;
this.group = group;
this.version = version;
}
public String getInterfaceName() {
return interfaceName;
}
public String getGroup() {
return group;
}
public String getVersion() {
return version;
}
@Override
public boolean equals(Object o) {
if (this == o) {
return true;
}
if (o == null || getClass() != o.getClass()) {
return false;
}
ServiceKey that = (ServiceKey) o;
return Objects.equals(interfaceName, that.interfaceName) && Objects.equals(group, that.group) && Objects.equals(version, that.version);
}
@Override
public int hashCode() {
return Objects.hash(interfaceName, group, version);
}
@Override
public String toString() {
return BaseServiceMetadata.buildServiceKey(interfaceName, group, version);
}
public static class Matcher {
public static boolean isMatch(ServiceKey rule, ServiceKey target) {
// 1. match interface (accurate match)
if (!Objects.equals(rule.getInterfaceName(), target.getInterfaceName())) {
return false;
}
// 2. match version (accurate match)
// 2.1. if rule version is *, match all
if (!CommonConstants.ANY_VALUE.equals(rule.getVersion())) {
// 2.2. if rule version is null, target version should be null
if (StringUtils.isEmpty(rule.getVersion()) && !StringUtils.isEmpty(target.getVersion())) {
return false;
}
if (!StringUtils.isEmpty(rule.getVersion())) {
// 2.3. if rule version contains ',', split and match each
if (rule.getVersion().contains(CommonConstants.COMMA_SEPARATOR)) {
String[] versions = rule.getVersion().split("\\" +CommonConstants.COMMA_SEPARATOR, -1);
boolean match = false;
for (String version : versions) {
version = version.trim();
if (StringUtils.isEmpty(version) && StringUtils.isEmpty(target.getVersion())) {
match = true;
break;
} else if (version.equals(target.getVersion())) {
match = true;
break;
}
}
if (!match) {
return false;
}
}
// 2.4. if rule version is not contains ',', match directly
else if (!Objects.equals(rule.getVersion(), target.getVersion())) {
return false;
}
}
}
// 3. match group (wildcard match)
// 3.1. if rule group is *, match all
if (!CommonConstants.ANY_VALUE.equals(rule.getGroup())) {
// 3.2. if rule group is null, target group should be null
if (StringUtils.isEmpty(rule.getGroup()) && !StringUtils.isEmpty(target.getGroup())) {
return false;
}
if (!StringUtils.isEmpty(rule.getGroup())) {
// 3.3. if rule group contains ',', split and match each
if (rule.getGroup().contains(CommonConstants.COMMA_SEPARATOR)) {
String[] groups = rule.getGroup().split("\\" +CommonConstants.COMMA_SEPARATOR, -1);
boolean match = false;
for (String group : groups) {
group = group.trim();
if (StringUtils.isEmpty(group) && StringUtils.isEmpty(target.getGroup())) {
match = true;
break;
} else if (group.equals(target.getGroup())) {
match = true;
break;
}
}
if (!match) {
return false;
}
}
// 3.4. if rule group is not contains ',', match directly
else if (!Objects.equals(rule.getGroup(), target.getGroup())) {
return false;
}
}
}
return true;
}
}
}