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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.utils.StringUtils;
import org.apache.dubbo.rpc.model.ServiceModel;
import static org.apache.dubbo.common.constants.CommonConstants.DEFAULT_VERSION;
/**
* 2019-10-10
*/
public class BaseServiceMetadata {
public static final char COLON_SEPARATOR = ':';
protected String serviceKey;
protected String serviceInterfaceName;
protected String version;
protected volatile String group;
private ServiceModel serviceModel;
public static String buildServiceKey(String path, String group, String version) {
int length = path == null ? 0 : path.length();
length += group == null ? 0 : group.length();
length += version == null ? 0 : version.length();
length += 2;
StringBuilder buf = new StringBuilder(length);
if (StringUtils.isNotEmpty(group)) {
buf.append(group).append('/');
}
buf.append(path);
if (StringUtils.isNotEmpty(version)) {
buf.append(':').append(version);
}
return buf.toString().intern();
}
public static String versionFromServiceKey(String serviceKey) {
int index = serviceKey.indexOf(":");
if (index == -1) {
return DEFAULT_VERSION;
}
return serviceKey.substring(index + 1);
}
public static String groupFromServiceKey(String serviceKey) {
int index = serviceKey.indexOf("/");
if (index == -1) {
return null;
}
return serviceKey.substring(0, index);
}
public static String interfaceFromServiceKey(String serviceKey) {
int groupIndex = serviceKey.indexOf("/");
int versionIndex = serviceKey.indexOf(":");
groupIndex = (groupIndex == -1) ? 0 : groupIndex + 1;
versionIndex = (versionIndex == -1) ? serviceKey.length() : versionIndex;
return serviceKey.substring(groupIndex, versionIndex);
}
/**
* Format : interface:version
*
* @return
*/
public String getDisplayServiceKey() {
StringBuilder serviceNameBuilder = new StringBuilder();
serviceNameBuilder.append(serviceInterfaceName);
serviceNameBuilder.append(COLON_SEPARATOR).append(version);
return serviceNameBuilder.toString();
}
/**
* revert of org.apache.dubbo.common.ServiceDescriptor#getDisplayServiceKey()
*
* @param displayKey
* @return
*/
public static BaseServiceMetadata revertDisplayServiceKey(String displayKey) {
String[] eles = StringUtils.split(displayKey, COLON_SEPARATOR);
if (eles == null || eles.length < 1 || eles.length > 2) {
return new BaseServiceMetadata();
}
BaseServiceMetadata serviceDescriptor = new BaseServiceMetadata();
serviceDescriptor.setServiceInterfaceName(eles[0]);
if (eles.length == 2) {
serviceDescriptor.setVersion(eles[1]);
}
return serviceDescriptor;
}
public static String keyWithoutGroup(String interfaceName, String version) {
if (StringUtils.isEmpty(version)) {
return interfaceName + ":" + DEFAULT_VERSION;
}
return interfaceName + ":" + version;
}
public String getServiceKey() {
return serviceKey;
}
public void generateServiceKey() {
this.serviceKey = buildServiceKey(serviceInterfaceName, group, version);
}
public void setServiceKey(String serviceKey) {
this.serviceKey = serviceKey;
}
public String getServiceInterfaceName() {
return serviceInterfaceName;
}
public void setServiceInterfaceName(String serviceInterfaceName) {
this.serviceInterfaceName = serviceInterfaceName;
}
public String getVersion() {
return version;
}
public void setVersion(String version) {
this.version = version;
}
public String getGroup() {
return group;
}
public void setGroup(String group) {
this.group = group;
}
public ServiceModel getServiceModel() {
return serviceModel;
}
public void setServiceModel(ServiceModel serviceModel) {
this.serviceModel = serviceModel;
}
}