apply Relative Path - Android java.io

Android examples for java.io:File Path

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Description

apply Relative Path

Demo Code

/*/* www. j av  a2  s.  c  o m*/
 * Copyright (C) 2012 Google Inc.
 *
 * 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.
 */
public class Main{
  private static final String FOLDER_SEPARATOR = "/";
    /**
     * Apply the given relative path to the given path,
     * assuming standard Java folder separation (i.e. "/" separators);
     * @param path the path to start from (usually a full file path)
     * @param relativePath the relative path to apply
     * (relative to the full file path above)
     * @return the full file path that results from applying the relative path
     */
    public static String applyRelativePath(String path, String relativePath) {
        int separatorIndex = path.lastIndexOf(FOLDER_SEPARATOR);
        if (separatorIndex != -1) {
            String newPath = path.substring(0, separatorIndex);
            if (!relativePath.startsWith(FOLDER_SEPARATOR)) {
                newPath += FOLDER_SEPARATOR;
            }
            return newPath + relativePath;
        } else {
            return relativePath;
        }
    }

}

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