/* * Copyright (C) 2006 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. */ package android.text.format; import android.content.Context; import android.net.NetworkUtils; /** * Utility class to aid in formatting common values that are not covered * by the {@link java.util.Formatter} class in {@link java.util} */ public final class Formatter { /** * Formats a content size to be in the form of bytes, kilobytes, megabytes, etc * * @param context Context to use to load the localized units * @param number size value to be formatted * @return formatted string with the number */ public static String formatFileSize(Context context, long number) { return formatFileSize(context, number, false); } /** * Like {@link #formatFileSize}, but trying to generate shorter numbers * (showing fewer digits of precision). */ public static String formatShortFileSize(Context context, long number) { return formatFileSize(context, number, true); } private static String formatFileSize(Context context, long number, boolean shorter) { if (context == null) { return ""; } float result = number; int suffix = com.android.internal.R.string.byteShort; if (result > 900) { suffix = com.android.internal.R.string.kilobyteShort; result = result / 1024; } if (result > 900) { suffix = com.android.internal.R.string.megabyteShort; result = result / 1024; } if (result > 900) { suffix = com.android.internal.R.string.gigabyteShort; result = result / 1024; } if (result > 900) { suffix = com.android.internal.R.string.terabyteShort; result = result / 1024; } if (result > 900) { suffix = com.android.internal.R.string.petabyteShort; result = result / 1024; } String value; if (result < 1) { value = String.format("%.2f", result); } else if (result < 10) { if (shorter) { value = String.format("%.1f", result); } else { value = String.format("%.2f", result); } } else if (result < 100) { if (shorter) { value = String.format("%.0f", result); } else { value = String.format("%.2f", result); } } else { value = String.format("%.0f", result); } return context.getResources(). getString(com.android.internal.R.string.fileSizeSuffix, value, context.getString(suffix)); } /** * Returns a string in the canonical IPv4 format ###.###.###.### from a packed integer * containing the IP address. The IPv4 address is expected to be in little-endian * format (LSB first). That is, 0x01020304 will return "4.3.2.1". * * @deprecated Use {@link java.net.InetAddress#getHostAddress()}, which supports both IPv4 and * IPv6 addresses. This method does not support IPv6 addresses. */ @Deprecated public static String formatIpAddress(int ipv4Address) { return NetworkUtils.intToInetAddress(ipv4Address).getHostAddress(); } }