/** * 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 com.alibaba.rocketmq.common; import com.alibaba.rocketmq.remoting.common.RemotingHelper; import java.io.ByteArrayInputStream; import java.io.ByteArrayOutputStream; import java.io.File; import java.io.IOException; import java.lang.management.ManagementFactory; import java.lang.management.RuntimeMXBean; import java.text.NumberFormat; import java.text.ParseException; import java.text.SimpleDateFormat; import java.util.Calendar; import java.util.Date; import java.util.Iterator; import java.util.Map; import java.util.zip.CRC32; import java.util.zip.DeflaterOutputStream; import java.util.zip.InflaterInputStream; /** * * @author shijia.wxr */ public class UtilAll { public static final String yyyy_MM_dd_HH_mm_ss = "yyyy-MM-dd HH:mm:ss"; public static final String yyyy_MM_dd_HH_mm_ss_SSS = "yyyy-MM-dd#HH:mm:ss:SSS"; public static final String yyyyMMddHHmmss = "yyyyMMddHHmmss"; public static int getPid() { RuntimeMXBean runtime = ManagementFactory.getRuntimeMXBean(); String name = runtime.getName(); // format: "pid@hostname" try { return Integer.parseInt(name.substring(0, name.indexOf('@'))); } catch (Exception e) { return -1; } } public static String currentStackTrace() { StringBuilder sb = new StringBuilder(); StackTraceElement[] stackTrace = Thread.currentThread().getStackTrace(); for (StackTraceElement ste : stackTrace) { sb.append("\n\t"); sb.append(ste.toString()); } return sb.toString(); } public static String offset2FileName(final long offset) { final NumberFormat nf = NumberFormat.getInstance(); nf.setMinimumIntegerDigits(20); nf.setMaximumFractionDigits(0); nf.setGroupingUsed(false); return nf.format(offset); } public static long computeEclipseTimeMilliseconds(final long beginTime) { return (System.currentTimeMillis() - beginTime); } public static boolean isItTimeToDo(final String when) { String[] whiles = when.split(";"); if (whiles != null && whiles.length > 0) { Calendar now = Calendar.getInstance(); for (String w : whiles) { int nowHour = Integer.parseInt(w); if (nowHour == now.get(Calendar.HOUR_OF_DAY)) { return true; } } } return false; } public static String timeMillisToHumanString() { return timeMillisToHumanString(System.currentTimeMillis()); } public static String timeMillisToHumanString(final long t) { Calendar cal = Calendar.getInstance(); cal.setTimeInMillis(t); return String.format("%04d%02d%02d%02d%02d%02d%03d", cal.get(Calendar.YEAR), cal.get(Calendar.MONTH) + 1, cal.get(Calendar.DAY_OF_MONTH), cal.get(Calendar.HOUR_OF_DAY), cal.get(Calendar.MINUTE), cal.get(Calendar.SECOND), cal.get(Calendar.MILLISECOND)); } public static long computNextMorningTimeMillis() { Calendar cal = Calendar.getInstance(); cal.setTimeInMillis(System.currentTimeMillis()); cal.add(Calendar.DAY_OF_MONTH, 1); cal.set(Calendar.HOUR_OF_DAY, 0); cal.set(Calendar.MINUTE, 0); cal.set(Calendar.SECOND, 0); cal.set(Calendar.MILLISECOND, 0); return cal.getTimeInMillis(); } public static long computNextMinutesTimeMillis() { Calendar cal = Calendar.getInstance(); cal.setTimeInMillis(System.currentTimeMillis()); cal.add(Calendar.DAY_OF_MONTH, 0); cal.add(Calendar.HOUR_OF_DAY, 0); cal.add(Calendar.MINUTE, 1); cal.set(Calendar.SECOND, 0); cal.set(Calendar.MILLISECOND, 0); return cal.getTimeInMillis(); } public static long computNextHourTimeMillis() { Calendar cal = Calendar.getInstance(); cal.setTimeInMillis(System.currentTimeMillis()); cal.add(Calendar.DAY_OF_MONTH, 0); cal.add(Calendar.HOUR_OF_DAY, 1); cal.set(Calendar.MINUTE, 0); cal.set(Calendar.SECOND, 0); cal.set(Calendar.MILLISECOND, 0); return cal.getTimeInMillis(); } public static long computNextHalfHourTimeMillis() { Calendar cal = Calendar.getInstance(); cal.setTimeInMillis(System.currentTimeMillis()); cal.add(Calendar.DAY_OF_MONTH, 0); cal.add(Calendar.HOUR_OF_DAY, 1); cal.set(Calendar.MINUTE, 30); cal.set(Calendar.SECOND, 0); cal.set(Calendar.MILLISECOND, 0); return cal.getTimeInMillis(); } public static String timeMillisToHumanString2(final long t) { Calendar cal = Calendar.getInstance(); cal.setTimeInMillis(t); return String.format("%04d-%02d-%02d %02d:%02d:%02d,%03d",// cal.get(Calendar.YEAR),// cal.get(Calendar.MONTH) + 1,// cal.get(Calendar.DAY_OF_MONTH),// cal.get(Calendar.HOUR_OF_DAY),// cal.get(Calendar.MINUTE),// cal.get(Calendar.SECOND),// cal.get(Calendar.MILLISECOND)); } public static String timeMillisToHumanString3(final long t) { Calendar cal = Calendar.getInstance(); cal.setTimeInMillis(t); return String.format("%04d%02d%02d%02d%02d%02d",// cal.get(Calendar.YEAR),// cal.get(Calendar.MONTH) + 1,// cal.get(Calendar.DAY_OF_MONTH),// cal.get(Calendar.HOUR_OF_DAY),// cal.get(Calendar.MINUTE),// cal.get(Calendar.SECOND)); } //获取文件夹占用磁盘资源百分百 public static double getDiskPartitionSpaceUsedPercent(final String path) { if (null == path || path.isEmpty()) return -1; try { File file = new File(path); if (!file.exists()) { boolean result = file.mkdirs(); if (!result) { // TODO } } long totalSpace = file.getTotalSpace(); long freeSpace = file.getFreeSpace(); long usedSpace = totalSpace - freeSpace; if (totalSpace > 0) { return usedSpace / (double) totalSpace; } } catch (Exception e) { return -1; } return -1; } public static final int crc32(byte[] array) { if (array != null) { return crc32(array, 0, array.length); } return 0; } public static final int crc32(byte[] array, int offset, int length) { CRC32 crc32 = new CRC32(); crc32.update(array, offset, length); //高位置0 ,保证crc32值不为负数 return (int) (crc32.getValue() & 0x7FFFFFFF); } public static String bytes2string(byte[] src) { StringBuilder sb = new StringBuilder(); if (src == null || src.length <= 0) { return null; } for (int i = 0; i < src.length; i++) { int v = src[i] & 0xFF; String hv = Integer.toHexString(v); if (hv.length() < 2) { sb.append(0); } sb.append(hv.toUpperCase()); } return sb.toString(); } public static byte[] string2bytes(String hexString) { if (hexString == null || hexString.equals("")) { return null; } hexString = hexString.toUpperCase(); int length = hexString.length() / 2; char[] hexChars = hexString.toCharArray(); byte[] d = new byte[length]; for (int i = 0; i < length; i++) { int pos = i * 2; d[i] = (byte) (charToByte(hexChars[pos]) << 4 | charToByte(hexChars[pos + 1])); } return d; } private static byte charToByte(char c) { return (byte) "0123456789ABCDEF".indexOf(c); } public static byte[] uncompress(final byte[] src) throws IOException { byte[] result = src; byte[] uncompressData = new byte[src.length]; ByteArrayInputStream byteArrayInputStream = new ByteArrayInputStream(src); InflaterInputStream inflaterInputStream = new InflaterInputStream(byteArrayInputStream); ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream(src.length); try { while (true) { int len = inflaterInputStream.read(uncompressData, 0, uncompressData.length); if (len <= 0) { break; } byteArrayOutputStream.write(uncompressData, 0, len); } byteArrayOutputStream.flush(); result = byteArrayOutputStream.toByteArray(); } catch (IOException e) { throw e; } finally { try { byteArrayInputStream.close(); } catch (IOException e) { } try { inflaterInputStream.close(); } catch (IOException e) { } try { byteArrayOutputStream.close(); } catch (IOException e) { } } return result; } public static byte[] compress(final byte[] src, final int level) throws IOException { byte[] result = src; ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream(src.length); java.util.zip.Deflater deflater = new java.util.zip.Deflater(level); DeflaterOutputStream deflaterOutputStream = new DeflaterOutputStream(byteArrayOutputStream, deflater); try { deflaterOutputStream.write(src); deflaterOutputStream.finish(); deflaterOutputStream.close(); result = byteArrayOutputStream.toByteArray(); } catch (IOException e) { deflater.end(); throw e; } finally { try { byteArrayOutputStream.close(); } catch (IOException e) { } deflater.end(); } return result; } public static int asInt(String str, int defaultValue) { try { return Integer.parseInt(str); } catch (Exception e) { return defaultValue; } } public static long asLong(String str, long defaultValue) { try { return Long.parseLong(str); } catch (Exception e) { return defaultValue; } } public static String formatDate(Date date, String pattern) { SimpleDateFormat df = new SimpleDateFormat(pattern); return df.format(date); } public static Date parseDate(String date, String pattern) { SimpleDateFormat df = new SimpleDateFormat(pattern); try { return df.parse(date); } catch (ParseException e) { return null; } } public static String responseCode2String(final int code) { return Integer.toString(code); } public static String frontStringAtLeast(final String str, final int size) { if (str != null) { if (str.length() > size) { return str.substring(0, size); } } return str; } public static boolean isBlank(String str) { int strLen; if (str == null || (strLen = str.length()) == 0) { return true; } for (int i = 0; i < strLen; i++) { if ((Character.isWhitespace(str.charAt(i)) == false)) { return false; } } return true; } public static String jstack() { return jstack(Thread.getAllStackTraces()); } public static String jstack(Map<Thread, StackTraceElement[]> map) { StringBuilder result = new StringBuilder(); try { Iterator<Map.Entry<Thread, StackTraceElement[]>> ite = map.entrySet().iterator(); while (ite.hasNext()) { Map.Entry<Thread, StackTraceElement[]> entry = ite.next(); StackTraceElement[] elements = entry.getValue(); Thread thread = entry.getKey(); if (elements != null && elements.length > 0) { String threadName = entry.getKey().getName(); result.append(String.format("%-40sTID: %d STATE: %s\n", threadName, thread.getId(), thread.getState())); for (StackTraceElement el : elements) { result.append(String.format("%-40s%s\n", threadName, el.toString())); } result.append("\n"); } } } catch (Throwable e) { result.append(RemotingHelper.exceptionSimpleDesc(e)); } return result.toString(); } }