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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 io.fabric8.karaf.blueprint;

public class Support {

    /**
     * Returns the string before the given token
     *
     * @param text   the text
     * @param before the token
     * @return the text before the token, or null if text does not contain the token
     */
    public static String before(String text, String before) {
        if (!text.contains(before)) {
            return null;
        }
        return text.substring(0, text.indexOf(before));
    }

    /**
     * Returns the string after the given token
     *
     * @param text  the text
     * @param after the token
     * @return the text after the token, or null if text does not contain the token
     */
    public static String after(String text, String after) {
        if (!text.contains(after)) {
            return null;
        }
        return text.substring(text.indexOf(after) + after.length());
    }

}