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Huawei Cloud Open API SDK for Java

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/*******************************************************************************
 * 	Copyright 2019 Huawei Technologies Co.,Ltd.
 *
 * 	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.
 *******************************************************************************/
package com.huawei.openstack4j.openstack.common.functions;

import com.google.common.base.Function;

/**
 * A function that removes the API version from the tail end of a URL as well as any trailing "/".
 * 
 * https://vcloud.test.com:2323/v2.0 would return https://vcloud.test.com:2323

 * http://someurl:2321/ would return http://someurl:2321

 * 
 * NOTE: This only removes the tail end of the path if it contains a version and projectId
 * 
 * @author Jeremy Unruh
 */
public class RemoveVersionProjectIdFromURL implements Function {
	
	 public static final RemoveVersionProjectIdFromURL INSTANCE = new RemoveVersionProjectIdFromURL();
    
    @Override
    public String apply(String url) {
        String urlRmovePojectId = url.substring(0, url.lastIndexOf("/"));
        return urlRmovePojectId.substring(0, urlRmovePojectId.lastIndexOf("/"));
    }
}