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/*-
* ============LICENSE_START=======================================================
* openECOMP : APP-C
* ================================================================================
* Copyright (C) 2017 AT&T Intellectual Property. All rights
* reserved.
* ================================================================================
* Licensed 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.
* ============LICENSE_END=========================================================
*/
package org.openecomp.appc.adapter.iaas.impl;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
/**
* This class is used to parse the VM URL returned from OpenStack and extract all of the constituent parts.
*/
public class VMURL {
/**
* The regular expression pattern used to parse the URL. Capturing groups are used to identify and extract the
* various component parts of the URL.
*/
private static Pattern pattern = Pattern
.compile("(\\p{Alnum}+)://([^/:]+)(?::([0-9]+))?/v2/([^/]+)/servers/([^/]+)");
/**
* The URL scheme or protocol, such as HTTP or HTTPS
*/
private String scheme;
/**
* The host name or ip address
*/
private String host;
/**
* The port number, or null if no port is defined
*/
private String port;
/**
* The tenant UUID
*/
private String tenantId;
/**
* The server UUID
*/
private String serverId;
/**
* A private default constructor prevents instantiation by any method other than the factory method
*
* @see #parseURL(String)
*/
private VMURL() {
}
/**
* This static method is used to parse the provided server URL string and return a parse results object (VMURL)
* which represents the state of the parse.
*
* @param serverUrl
* The server URL to be parsed
* @return The VMURL parse results object, or null if the URL was not valid or null.
*/
public static VMURL parseURL(String serverUrl) {
VMURL obj = null;
if (serverUrl != null) {
Matcher matcher = pattern.matcher(serverUrl.trim());
if (matcher.matches()) {
obj = new VMURL();
obj.scheme = matcher.group(1);
obj.host = matcher.group(2);
obj.port = matcher.group(3);
obj.tenantId = matcher.group(4);
obj.serverId = matcher.group(5);
}
}
return obj;
}
/**
* @return The URL scheme
*/
public String getScheme() {
return scheme;
}
/**
* @return The URL host
*/
public String getHost() {
return host;
}
/**
* @return The URL port, or null if no port was defined
*/
public String getPort() {
return port;
}
/**
* @return The tenant id
*/
public String getTenantId() {
return tenantId;
}
/**
* @return The server ID
*/
public String getServerId() {
return serverId;
}
@Override
public String toString() {
return String.format("%s://%s:%s/%s/servers/%s", scheme, host, port, tenantId, serverId);
}
}
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