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Chameleon container that dynamically loads correct container adapter versions

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/*
 * JBoss, Home of Professional Open Source
 * Copyright 2017 Red Hat Inc. and/or its affiliates and other contributors
 * as indicated by the @authors tag. All rights reserved.
 * See the copyright.txt in the distribution for a
 * full listing of individual contributors.
 *
 * 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 org.arquillian.container.chameleon.controller;

class FileNameFromUrlExtractor {

    private final String url;

    public FileNameFromUrlExtractor(String url) {
        this.url = url;
    }

    public String extract() {
        final int lastBackslash = url.lastIndexOf('/');
        final String fileName = url.substring(lastBackslash + 1);
        return fileName.substring(0, fileName.lastIndexOf('.'));
    }
}