/*
* Created on 13-5-21
*
* 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.
*
* Copyright @2013 the original author or authors.
*/
package org.cneng.httpclient;
import org.apache.commons.codec.binary.Base64;
import org.apache.commons.configuration.Configuration;
import org.apache.commons.configuration.PropertiesConfiguration;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import javax.imageio.ImageIO;
import java.awt.image.BufferedImage;
import java.io.*;
import java.net.URL;
import java.nio.ByteBuffer;
import java.nio.ByteOrder;
import java.security.DigestInputStream;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;
import java.util.*;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.LinkedBlockingQueue;
import java.util.zip.CRC32;
import java.util.zip.CheckedInputStream;
/**
* Description of this file.
*
* @author XiongNeng
* @version 1.0
* @since 13-5-21
*/
public class Utils {
private static final Logger _log = LoggerFactory.getLogger(Utils.class);
public static final Map<String, String> idMap = new ConcurrentHashMap<>();
public static final LinkedBlockingQueue<String[]> idMapQueue = new LinkedBlockingQueue<>();
public static synchronized void updateIdMapQueue() {
for (String k : idMap.keySet()) {
try {
idMapQueue.put(new String[]{k, idMap.get(k)});
} catch (InterruptedException e) {
_log.error("填充idMapQueue时候出错...", e);
}
}
}
public static byte[] toByteArray(File imageFile) throws Exception {
BufferedImage img = ImageIO.read(imageFile);
ByteArrayOutputStream buf = new ByteArrayOutputStream((int) imageFile.length());
try {
ImageIO.write(img, "jpg", buf);
} catch (Exception e) {
e.printStackTrace();
return null;
}
return buf.toByteArray();
}
public static synchronized void updateIdMap(String key, String link) {
idMap.put(key, link);
}
public static byte[] toByteArrayFromFile(String imageFile) throws Exception {
InputStream is = null;
ByteArrayOutputStream out = new ByteArrayOutputStream();
try {
is = new FileInputStream(imageFile);
byte[] b = new byte[1024];
int n;
while ((n = is.read(b)) != -1) {
out.write(b, 0, n);
}// end while
} catch (Exception e) {
throw new Exception("System error,SendTimingMms.getBytesFromFile", e);
} finally {
if (is != null) {
try {
is.close();
} catch (Exception e) {
}// end try
}// end if
}// end try
return out.toByteArray();
}
//CRC32函数开始
public static String doChecksum(String fileName) {
try {
CheckedInputStream cis = null;
try {
// Computer CRC32 checksum
cis = new CheckedInputStream(
new FileInputStream(fileName), new CRC32());
} catch (FileNotFoundException e) {
//System.err.println("File not found.");
//System.exit(1);
}
byte[] buf = new byte[128];
while (cis.read(buf) >= 0) {
}
long checksum = cis.getChecksum().getValue();
cis.close();
//_log.info( Integer.toHexString(new Long(checksum).intValue()));
return Integer.toHexString(new Long(checksum).intValue());
} catch (IOException e) {
e.printStackTrace();
//System.exit(1);
}
return null;
}
//CRC32函数结束
//MD5校验函数开始
/**
* 获取指定文件的MD5值
*
* @param inputFile 文件的相对路径
*/
public static String GetFileMD5(String inputFile) throws IOException {
int bufferSize = 256 * 1024;
FileInputStream fileInputStream = null;
DigestInputStream digestInputStream = null;
try {
MessageDigest messageDigest = MessageDigest.getInstance("MD5");
fileInputStream = new FileInputStream(inputFile);
digestInputStream = new DigestInputStream(fileInputStream, messageDigest);
byte[] buffer = new byte[bufferSize];
while (digestInputStream.read(buffer) > 0) ;
messageDigest = digestInputStream.getMessageDigest();
byte[] resultByteArray = messageDigest.digest();
return byteArrayToHex(resultByteArray);
} catch (NoSuchAlgorithmException e) {
return null;
} finally {
try {
assert digestInputStream != null;
digestInputStream.close();
} catch (Exception e) {
e.printStackTrace();
}
try {
fileInputStream.close();
} catch (Exception e) {
e.printStackTrace();
}
}
}
public static String Md5(String s){
try {
byte[] btInput = s.getBytes();
MessageDigest mdInst = MessageDigest.getInstance("MD5");
mdInst.update(btInput);
byte[] md = mdInst.digest();
return byteArrayToHex(md);
} catch (Exception e) {
e.printStackTrace();
return null;
}
}
public static String byteArrayToHex(byte[] byteArray) {
char[] hexDigits = {'0', '1', '2', '3', '4', '5',
'6', '7', '8', '9', 'a', 'b', 'c', 'd', 'e', 'f'};
char[] resultCharArray = new char[byteArray.length * 2];
int index = 0;
for (byte b : byteArray) {
resultCharArray[index++] = hexDigits[b >>> 4 & 0xf];
resultCharArray[index++] = hexDigits[b & 0xf];
}
return new String(resultCharArray);
}
//MD5校验函数结束
public static String[] parseServers(String server) {
String[] temps = server.split(",");
List<String> list = new ArrayList<String>();
for (String s : temps) {
String[] each = s.split(":");
if (each.length < 3) {
list.add(each[0]);
} else {
list.add(each[0] + ":" + each[1]);
}
}
_log.info(list.toString());
return list.toArray(new String[list.size()]);
}
public static void downloadPic(String outdir, String urlstr) throws Exception {
//返回的是4位验证码的图片
URL url = new URL(urlstr);
File outFile = new File("D:\\work\\a.png");
OutputStream os = new FileOutputStream(outFile);
// BufferedReader bf = new BufferedReader(new InputStreamReader(url.openStream()));
InputStream is = url.openStream();
byte[] buff = new byte[1024];
while (true) { //要注意这种写法
int readed = is.read(buff);
if (readed == -1) {
break;
}
byte[] temp = new byte[readed];
System.arraycopy(buff, 0, temp, 0, readed); // 这句是关键
os.write(temp);
}
is.close();
os.close();
}
/**
* 生成一个16位的随机字符串
*
* @return
*/
public static String randomUUID() {
UUID uuid = UUID.randomUUID();
byte[] bytes = new byte[16];
// Convert UUID into byte array
ByteBuffer byteBuffer = ByteBuffer.wrap(bytes);
byteBuffer.order(ByteOrder.BIG_ENDIAN);
byteBuffer.putLong(uuid.getMostSignificantBits());
byteBuffer.putLong(uuid.getLeastSignificantBits());
byteBuffer.flip();
// Convert byte array to base64 string
return Base64.encodeBase64URLSafeString(bytes);
}
/**
* 识别算术验证码
* @param checkCode
* @return
*/
public static String realCode(String checkCode) {
String result = checkCode;
if (checkCode.endsWith("等于") && checkCode.length() == 5) {
Integer a = numbers.get(checkCode.substring(0,1));
String op = checkCode.substring(1,2);
Integer b = numbers.get(checkCode.substring(2,3));
if ("加".equals(op)) {
result = String.valueOf(a + b);
} else if ("减".equals(op)) {
result = String.valueOf(a - b);
} else if ("乘".equals(op)) {
result = String.valueOf(a * b);
} else {
result = String.valueOf(a / b);
}
}
_log.info("----最终的验证码结果：" + result);
return result;
}
private static final Map<String, Integer> numbers = new HashMap<String, Integer>(){{
put("零",0);
put("壹",1);
put("贰",2);
put("叁",3);
put("肆",4);
put("伍",5);
put("陆",6);
put("柒",7);
put("捌",8);
put("玖",9);
}};
public static void main(String[] args) throws Exception {
//downloadPic("D:/work/zpics/", "http://gsxt.gdgs.gov.cn/aiccips/verify.html");
System.out.println(realCode("肆加壹等于"));
}
}