Java tutorial
//package com.java2s; /* * Copyright (C) 2012 The Android Open Source Project * * 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 { public static final String EXTENSION_INTERNAL_FWDL = ".fl"; /** * Modifies the file extension for a DRM Forward Lock file NOTE: This * function shouldn't be called if the file shouldn't be DRM converted */ public static String modifyDrmFwLockFileExtension(String filename) { if (filename != null) { int extensionIndex; extensionIndex = filename.lastIndexOf("."); if (extensionIndex != -1) { filename = filename.substring(0, extensionIndex); } filename = filename.concat(EXTENSION_INTERNAL_FWDL); } return filename; } }