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193 changes: 193 additions & 0 deletions
193
commonutil/src/main/java/com/wrbug/developerhelper/commonutil/ZipUtils.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,193 @@ | ||
| package com.wrbug.developerhelper.commonutil | ||
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| import java.io.* | ||
| import java.util.zip.ZipEntry | ||
| import java.util.zip.ZipFile | ||
| import java.util.zip.ZipOutputStream | ||
|
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| object ZipUtils { | ||
| fun zip(src: File, outFile: File) { | ||
| //提供了一个数据项压缩成一个ZIP归档输出流 | ||
| var out: ZipOutputStream? = null | ||
| try { | ||
| out = ZipOutputStream(FileOutputStream(outFile)) | ||
| //如果此文件是一个文件，否则为false。 | ||
| if (src.isFile) { | ||
| zipFileOrDirectory(out, src, "") | ||
| } else { | ||
| //返回一个文件或空阵列。 | ||
| val entries = src.listFiles() | ||
| for (i in entries!!.indices) { | ||
| // 递归压缩，更新curPaths | ||
| zipFileOrDirectory(out, entries[i], "") | ||
| } | ||
| } | ||
| } catch (ex: IOException) { | ||
| ex.printStackTrace() | ||
| } finally { | ||
| //关闭输出流 | ||
| if (out != null) { | ||
| try { | ||
| out.close() | ||
| } catch (ex: IOException) { | ||
| ex.printStackTrace() | ||
| } | ||
|
|
||
| } | ||
| } | ||
| } | ||
|
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| fun zip(src: File): File? { | ||
| val outFile = File(src.parent, src.name + ".zip")//源文件或者目录 | ||
| zip(src, outFile) | ||
| return outFile | ||
| } | ||
|
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| @Throws(IOException::class) | ||
| private fun zipFileOrDirectory( | ||
| out: ZipOutputStream, | ||
| fileOrDirectory: File, curPath: String | ||
| ) { | ||
| //从文件中读取字节的输入流 | ||
| var fileInputStream: FileInputStream? = null | ||
| try { | ||
| //如果此文件是一个目录，否则返回false。 | ||
| if (!fileOrDirectory.isDirectory) { | ||
| // 压缩文件 | ||
| val buffer = ByteArray(4096) | ||
| fileInputStream = FileInputStream(fileOrDirectory) | ||
| //实例代表一个条目内的ZIP归档 | ||
| val entry = ZipEntry(curPath + fileOrDirectory.name) | ||
| //条目的信息写入底层流 | ||
| out.putNextEntry(entry) | ||
| var bytesRead: Int = fileInputStream.read(buffer) | ||
| while (bytesRead != -1) { | ||
| out.write(buffer, 0, bytesRead) | ||
| bytesRead = fileInputStream.read(buffer) | ||
| } | ||
| out.closeEntry() | ||
| } else { | ||
| // 压缩目录 | ||
| val entries = fileOrDirectory.listFiles() | ||
| for (i in entries!!.indices) { | ||
| // 递归压缩，更新curPaths | ||
| zipFileOrDirectory( | ||
| out, entries[i], curPath | ||
| + fileOrDirectory.name + "/" | ||
| ) | ||
| } | ||
| } | ||
| } catch (ex: IOException) { | ||
| ex.printStackTrace() | ||
| // throw ex; | ||
| } finally { | ||
| if (fileInputStream != null) { | ||
| try { | ||
| fileInputStream.close() | ||
| } catch (ex: IOException) { | ||
| ex.printStackTrace() | ||
| } | ||
|
|
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| } | ||
| } | ||
| } | ||
|
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| @Throws(IOException::class) | ||
| fun unzip(zipFileName: String, outputDirectory: String) { | ||
| var zipFile: ZipFile? = null | ||
| try { | ||
| zipFile = ZipFile(zipFileName) | ||
| val e = zipFile.entries() | ||
| var zipEntry: ZipEntry? = null | ||
| val dest = File(outputDirectory) | ||
| dest.mkdirs() | ||
| while (e.hasMoreElements()) { | ||
| zipEntry = e.nextElement() as ZipEntry | ||
| val entryName = zipEntry.name | ||
| var inputStream: InputStream? = null | ||
| var out: FileOutputStream? = null | ||
| try { | ||
| if (zipEntry.isDirectory) { | ||
| var name = zipEntry.name | ||
| name = name.substring(0, name.length - 1) | ||
| val f = File( | ||
| outputDirectory + File.separator | ||
| + name | ||
| ) | ||
| f.mkdirs() | ||
| } else { | ||
| var index = entryName.lastIndexOf("\\") | ||
| if (index != -1) { | ||
| val df = File( | ||
| outputDirectory + File.separator | ||
| + entryName.substring(0, index) | ||
| ) | ||
| df.mkdirs() | ||
| } | ||
| index = entryName.lastIndexOf("/") | ||
| if (index != -1) { | ||
| val df = File( | ||
| outputDirectory + File.separator | ||
| + entryName.substring(0, index) | ||
| ) | ||
| df.mkdirs() | ||
| } | ||
| val f = File( | ||
| outputDirectory + File.separator | ||
| + zipEntry.name | ||
| ) | ||
| // f.createNewFile(); | ||
| inputStream = zipFile.getInputStream(zipEntry) | ||
| out = FileOutputStream(f) | ||
| val by = ByteArray(1024) | ||
| var c: Int = inputStream?.read(by) ?: -1 | ||
| while (c != -1) { | ||
| out.write(by, 0, c) | ||
| c = inputStream?.read(by) ?: -1 | ||
| } | ||
| out.flush() | ||
| } | ||
| } catch (ex: IOException) { | ||
| ex.printStackTrace() | ||
| throw IOException("解压失败：" + ex.toString()) | ||
| } finally { | ||
| if (inputStream != null) { | ||
| try { | ||
| inputStream.close() | ||
| } catch (ex: IOException) { | ||
| } | ||
|
|
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| } | ||
| if (out != null) { | ||
| try { | ||
| out.close() | ||
| } catch (ex: IOException) { | ||
| } | ||
|
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| } | ||
| } | ||
| } | ||
| } catch (ex: IOException) { | ||
| ex.printStackTrace() | ||
| throw IOException("解压失败：" + ex.toString()) | ||
| } finally { | ||
| if (zipFile != null) { | ||
| try { | ||
| zipFile.close() | ||
| } catch (ex: IOException) { | ||
| } | ||
|
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| } | ||
| } | ||
| } | ||
| } | ||
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| fun File.zip(): File? { | ||
| return ZipUtils.zip(this) | ||
| } | ||
|
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|
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| fun File.zip(outFile: File) { | ||
| return ZipUtils.zip(this, outFile) | ||
| } |
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