AriaLyy
8 years ago
parent
59b983eaec
commit
9d4fd2d3ac
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/* |
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* Copyright (C) 2016 AriaLyy(https://github.com/AriaLyy/Aria)
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* |
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* Licensed under the Apache License, Version 2.0 (the "License"); |
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* you may not use this file except in compliance with the License. |
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* You may obtain a copy of the License at |
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* |
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* http://www.apache.org/licenses/LICENSE-2.0
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* |
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* Unless required by applicable law or agreed to in writing, software |
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* distributed under the License is distributed on an "AS IS" BASIS, |
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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* See the License for the specific language governing permissions and |
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* limitations under the License. |
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*/ |
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package com.arialyy.aria.util; |
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import android.text.TextUtils; |
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import android.util.Log; |
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import java.io.File; |
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import java.io.FileInputStream; |
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import java.io.FileNotFoundException; |
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import java.io.FileOutputStream; |
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import java.io.IOException; |
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import java.io.InputStream; |
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import java.math.BigInteger; |
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import java.security.MessageDigest; |
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import java.security.NoSuchAlgorithmException; |
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/** |
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* Created by lyy on 2017/3/21. |
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*/ |
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public class FileUtil { |
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private static final String TAG = "FileUtil"; |
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/** |
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* 通过流创建文件 |
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*/ |
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public static void createFileFormInputStream(InputStream is, String path) { |
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try { |
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FileOutputStream fos = new FileOutputStream(path); |
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byte[] buf = new byte[1376]; |
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while (is.read(buf) > 0) { |
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fos.write(buf, 0, buf.length); |
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} |
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is.close(); |
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fos.flush(); |
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fos.close(); |
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} catch (IOException e) { |
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e.printStackTrace(); |
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} |
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} |
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/** |
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* 校验文件MD5码 |
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*/ |
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public static boolean checkMD5(String md5, File updateFile) { |
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if (TextUtils.isEmpty(md5) || updateFile == null) { |
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Log.e(TAG, "MD5 string empty or updateFile null"); |
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return false; |
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} |
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String calculatedDigest = getFileMD5(updateFile); |
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if (calculatedDigest == null) { |
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Log.e(TAG, "calculatedDigest null"); |
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return false; |
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} |
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return calculatedDigest.equalsIgnoreCase(md5); |
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} |
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/** |
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* 校验文件MD5码 |
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*/ |
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public static boolean checkMD5(String md5, InputStream is) { |
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if (TextUtils.isEmpty(md5) || is == null) { |
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Log.e(TAG, "MD5 string empty or updateFile null"); |
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return false; |
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} |
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String calculatedDigest = getFileMD5(is); |
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if (calculatedDigest == null) { |
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Log.e(TAG, "calculatedDigest null"); |
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return false; |
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} |
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return calculatedDigest.equalsIgnoreCase(md5); |
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} |
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/** |
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* 获取文件MD5码 |
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*/ |
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public static String getFileMD5(File updateFile) { |
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InputStream is; |
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try { |
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is = new FileInputStream(updateFile); |
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} catch (FileNotFoundException e) { |
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Log.e(TAG, "Exception while getting FileInputStream", e); |
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return null; |
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} |
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return getFileMD5(is); |
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} |
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/** |
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* 获取文件MD5码 |
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*/ |
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public static String getFileMD5(InputStream is) { |
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MessageDigest digest; |
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try { |
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digest = MessageDigest.getInstance("MD5"); |
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} catch (NoSuchAlgorithmException e) { |
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Log.e(TAG, "Exception while getting digest", e); |
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return null; |
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} |
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byte[] buffer = new byte[8192]; |
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int read; |
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try { |
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while ((read = is.read(buffer)) > 0) { |
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digest.update(buffer, 0, read); |
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} |
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byte[] md5sum = digest.digest(); |
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BigInteger bigInt = new BigInteger(1, md5sum); |
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String output = bigInt.toString(16); |
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// Fill to 32 chars
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output = String.format("%32s", output).replace(' ', '0'); |
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return output; |
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} catch (IOException e) { |
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throw new RuntimeException("Unable to process file for MD5", e); |
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} finally { |
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try { |
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is.close(); |
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} catch (IOException e) { |
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Log.e(TAG, "Exception on closing MD5 input stream", e); |
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} |
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} |
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} |
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} |
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@ -1,70 +0,0 @@ |
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/* |
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* Copyright (C) 2016 AriaLyy(https://github.com/AriaLyy/Aria)
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* |
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* Licensed under the Apache License, Version 2.0 (the "License"); |
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* you may not use this file except in compliance with the License. |
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* You may obtain a copy of the License at |
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* |
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* http://www.apache.org/licenses/LICENSE-2.0
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* |
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* Unless required by applicable law or agreed to in writing, software |
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* distributed under the License is distributed on an "AS IS" BASIS, |
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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* See the License for the specific language governing permissions and |
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* limitations under the License. |
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*/ |
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package com.arialyy.aria.util; |
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import android.os.Environment; |
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import java.security.MessageDigest; |
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import java.security.NoSuchAlgorithmException; |
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/** |
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* Created by lyy on 2016/9/27. |
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* 下载路径帮助类 |
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*/ |
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public class PathUtil { |
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/** |
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* 下载链接转换保存路径 |
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* |
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* @param downloadUrl 下载链接 |
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* @return 保存路径 |
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*/ |
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public static String urlconvertPath(String downloadUrl) { |
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return Environment.getDownloadCacheDirectory().getPath() + "/" + StringToHashKey(downloadUrl); |
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} |
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/** |
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* 字符串转换为hash码 |
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*/ |
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public static String StringToHashKey(String str) { |
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String cacheKey; |
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try { |
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final MessageDigest mDigest = MessageDigest.getInstance("MD5"); |
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mDigest.update(str.getBytes()); |
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cacheKey = bytesToHexString(mDigest.digest()); |
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} catch (NoSuchAlgorithmException e) { |
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cacheKey = String.valueOf(str.hashCode()); |
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} |
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return cacheKey; |
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} |
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/** |
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* 将普通字符串转换为16位进制字符串 |
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*/ |
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public static String bytesToHexString(byte[] src) { |
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StringBuilder stringBuilder = new StringBuilder("0x"); |
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if (src == null || src.length <= 0) { |
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return null; |
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} |
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char[] buffer = new char[2]; |
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for (byte aSrc : src) { |
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buffer[0] = Character.forDigit((aSrc >>> 4) & 0x0F, 16); |
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buffer[1] = Character.forDigit(aSrc & 0x0F, 16); |
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stringBuilder.append(buffer); |
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} |
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return stringBuilder.toString(); |
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} |
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} |
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@ -1,113 +0,0 @@ |
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/* |
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* Copyright (C) 2016 AriaLyy(https://github.com/AriaLyy/Aria)
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* |
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* Licensed under the Apache License, Version 2.0 (the "License"); |
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* you may not use this file except in compliance with the License. |
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* You may obtain a copy of the License at |
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* |
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* http://www.apache.org/licenses/LICENSE-2.0
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* |
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* Unless required by applicable law or agreed to in writing, software |
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* distributed under the License is distributed on an "AS IS" BASIS, |
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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* See the License for the specific language governing permissions and |
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* limitations under the License. |
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*/ |
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package com.arialyy.aria.util; |
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import android.util.Log; |
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import java.lang.reflect.Field; |
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import java.lang.reflect.Method; |
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import java.util.ArrayList; |
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import java.util.Collections; |
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import java.util.List; |
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/** |
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* Created by lyy on 2015/7/30. |
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* 反射工具类 |
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*/ |
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public class ReflectionUtil { |
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private static final String TAG = "ReflectionUtil"; |
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/** |
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* 获取类里面的所在字段 |
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*/ |
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public static Field[] getFields(Class clazz) { |
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Field[] fields = null; |
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fields = clazz.getDeclaredFields(); |
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if (fields == null || fields.length == 0) { |
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Class superClazz = clazz.getSuperclass(); |
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if (superClazz != null) { |
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fields = getFields(superClazz); |
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} |
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} |
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return fields; |
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} |
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/** |
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* 获取所有字段，包括父类的字段 |
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*/ |
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public static List<Field> getAllFields(Class clazz) { |
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List<Field> fields = new ArrayList<>(); |
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Class personClazz = clazz.getSuperclass(); |
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if (personClazz != null) { |
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Collections.addAll(fields, personClazz.getDeclaredFields()); |
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} |
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Collections.addAll(fields, clazz.getDeclaredFields()); |
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return fields; |
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} |
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/** |
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* 获取类里面的指定对象，如果该类没有则从父类查询 |
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*/ |
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public static Field getField(Class clazz, String name) { |
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Field field = null; |
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try { |
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field = clazz.getDeclaredField(name); |
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} catch (NoSuchFieldException e) { |
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try { |
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field = clazz.getField(name); |
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} catch (NoSuchFieldException e1) { |
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if (clazz.getSuperclass() == null) { |
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return field; |
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} else { |
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field = getField(clazz.getSuperclass(), name); |
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} |
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} |
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} |
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if (field != null) { |
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field.setAccessible(true); |
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} |
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return field; |
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} |
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/** |
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* 利用递归找一个类的指定方法，如果找不到，去父亲里面找直到最上层Object对象为止。 |
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* |
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* @param clazz 目标类 |
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* @param methodName 方法名 |
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* @param params 方法参数类型数组 |
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* @return 方法对象 |
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*/ |
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public static Method getMethod(Class clazz, String methodName, final Class<?>... params) { |
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Method method = null; |
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try { |
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method = clazz.getDeclaredMethod(methodName, params); |
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} catch (NoSuchMethodException e) { |
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try { |
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method = clazz.getMethod(methodName, params); |
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} catch (NoSuchMethodException ex) { |
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if (clazz.getSuperclass() == null) { |
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Log.e(TAG, "无法找到" + methodName + "方法"); |
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return method; |
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} else { |
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method = getMethod(clazz.getSuperclass(), methodName, params); |
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} |
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} |
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} |
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if (method != null) { |
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method.setAccessible(true); |
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} |
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return method; |
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} |
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} |
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@ -1,44 +0,0 @@ |
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/* |
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* Copyright (C) 2016 AriaLyy(https://github.com/AriaLyy/Aria)
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* |
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* Licensed under the Apache License, Version 2.0 (the "License"); |
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* you may not use this file except in compliance with the License. |
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* You may obtain a copy of the License at |
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* |
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* http://www.apache.org/licenses/LICENSE-2.0
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* |
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* Unless required by applicable law or agreed to in writing, software |
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* distributed under the License is distributed on an "AS IS" BASIS, |
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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* See the License for the specific language governing permissions and |
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* limitations under the License. |
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*/ |
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package com.arialyy.aria.util; |
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/** |
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* Created by lyy on 2017/3/6. |
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*/ |
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public enum Speed { |
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/** |
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* 最大速度为256kb |
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*/ |
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KB_256(64), /** |
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* 最大速度为512kb |
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*/ |
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KB_512(128), /** |
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* 最大速度为1mb |
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*/ |
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MB_1(256), /** |
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* 最大速度为2mb |
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*/ |
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MB_2(1024), /** |
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* 最大速度为10mb |
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*/ |
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MAX(8192); |
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int buf; |
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Speed(int buf) { |
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this.buf = buf; |
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} |
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} |
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