diff options
| -rw-r--r-- | src/main/java/com/keuin/kbackupfabric/util/ZipUtil.java | 15 |
1 files changed, 7 insertions, 8 deletions
diff --git a/src/main/java/com/keuin/kbackupfabric/util/ZipUtil.java b/src/main/java/com/keuin/kbackupfabric/util/ZipUtil.java index 07486c5..d0d0a61 100644 --- a/src/main/java/com/keuin/kbackupfabric/util/ZipUtil.java +++ b/src/main/java/com/keuin/kbackupfabric/util/ZipUtil.java @@ -7,11 +7,10 @@ import java.io.*; import java.util.*; import java.util.zip.*; -import static java.util.zip.Deflater.DEFAULT_COMPRESSION; - public final class ZipUtil { - private static final int bufferSize = 1024 * 1024 * 8; // 8MB + private static final int unzipBufferSize = 1024 * 1024 * 8; // 8MB + private static final int zipBufferSize = 1024 * 1024 * 8; // 8MB /** * 递归压缩文件夹 @@ -48,7 +47,7 @@ public final class ZipUtil { zipOutputStream.putNextEntry(entry); // BufferedInputStream inputStream = new BufferedInputStream(new FileInputStream(file)); InputStream inputStream = new FileInputStream(file); - while ((count = inputStream.read(buffer, 0, bufferSize)) != -1) { + while ((count = inputStream.read(buffer, 0, zipBufferSize)) != -1) { zipOutputStream.write(buffer, 0, count); } inputStream.close(); @@ -144,7 +143,7 @@ public final class ZipUtil { } //调用递归压缩方法进行目录或文件压缩 - zip(srcRootDir, srcFile, zipOutputStream, Collections.singleton("session.lock"), new byte[bufferSize]); + zip(srcRootDir, srcFile, zipOutputStream, Collections.singleton("session.lock"), new byte[zipBufferSize]); zipOutputStream.flush(); } finally { try { @@ -158,7 +157,7 @@ public final class ZipUtil { } public static void makeBackupZip(String srcPath, String zipPath, String zipFileName, BackupMetadata backupMetadata) throws IOException, ZipUtilException { - makeBackupZip(srcPath, zipPath, zipFileName, backupMetadata, DEFAULT_COMPRESSION); + makeBackupZip(srcPath, zipPath, zipFileName, backupMetadata, Deflater.BEST_SPEED); } /** @@ -169,7 +168,7 @@ public final class ZipUtil { * @param includeZipFileName 解压后的文件保存的路径是否包含压缩文件的文件名。true-包含；false-不包含 */ public static void unzip(String zipFilePath, String unzipFilePath, boolean includeZipFileName) throws IOException { - final byte[] buffer = new byte[bufferSize]; + final byte[] buffer = new byte[unzipBufferSize]; if (zipFilePath.isEmpty() || unzipFilePath.isEmpty()) { throw new IllegalArgumentException("Parameter for unzip() contains null."); } @@ -235,7 +234,7 @@ public final class ZipUtil { // 写入文件 OutputStream outputStream = new FileOutputStream(entryFile); InputStream inputStream = zip.getInputStream(entry); - while ((count = inputStream.read(buffer, 0, bufferSize)) != -1) { + while ((count = inputStream.read(buffer, 0, unzipBufferSize)) != -1) { outputStream.write(buffer, 0, count); } outputStream.flush(); |