Java tutorial
//package com.java2s; /* * Copyright 2013 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 LOG_PREFIX = "dashclock_"; private static final int LOG_PREFIX_LENGTH = LOG_PREFIX.length(); private static final int MAX_LOG_TAG_LENGTH = 23; public static String makeLogTag(String str) { if (str.length() > MAX_LOG_TAG_LENGTH - LOG_PREFIX_LENGTH) { return LOG_PREFIX + str.substring(0, MAX_LOG_TAG_LENGTH - LOG_PREFIX_LENGTH - 1); } return LOG_PREFIX + str; } /** * WARNING: Don't use this when obfuscating class names with Proguard! */ public static String makeLogTag(Class cls) { return makeLogTag(cls.getSimpleName()); } }