package?com.yozo.zip;

import?java.io.BufferedOutputStream;
import?java.io.File;
import?java.io.FileInputStream;
import?java.io.FileOutputStream;
import?java.io.IOException;
import?java.io.InputStream;
import?java.io.OutputStream;

import?org.apache.commons.compress.archivers.sevenz.SevenZArchiveEntry;
import?org.apache.commons.compress.archivers.sevenz.SevenZFile;
import?org.apache.commons.compress.archivers.tar.TarArchiveEntry;
import?org.apache.commons.compress.archivers.tar.TarArchiveInputStream;
import?org.apache.commons.compress.compressors.CompressorInputStream;
import?org.apache.commons.compress.compressors.gzip.GzipCompressorInputStream;
import?org.apache.commons.compress.utils.IOUtils;

/**
?*?解壓?tar?7z?gz?格式的壓縮包文件
?*?@author?許玉康
?*
?*/

public?class?Tar7zGzUtils?{
	
	/**
	?*?解壓tar文件
	?*?
	?*?@param?orgPath
	?*?@param?tarpath
	?*?@return
	?*?@throws?Exception?
	?*/
	public?Boolean?extTarFileList（String?orgPath?String?tarpath）?{
		Boolean?result?=?false;
		createFile（tarpath）;
		TarArchiveInputStream?tais?=?null;
		try?{
			File?srcFile?=?new?File（orgPath）;
			tais?=?new?TarArchiveInputStream（new?FileInputStream（srcFile））;
			TarArchiveEntry?entry?=?null;
	????????while?（（entry?=?tais.getNextTarEntry（））?!=?null）?{
	????????????//?文件
	????????????String?dir?=?tarpath?+?entry.getName（）;
	????????????File?dirFile?=?new?File（dir）;
	????????????//?文件檢查
	????????????fileProber（dirFile）;
	????????????if?（entry.isDirectory（））?{
	????????????????dirFile.mkdirs（）;
	????????????}?else?{
	????????????????dearchiveFile（dirFile?tais）;
	????????????}
	????????}
	????????result?=?true;
		}?catch?（Exception?e）?{
			e.printStackTrace（）;
		}finally?{
			try?{
????????????????if（tais?!=?null）{
????????????????	tais.close（）;
????????????????}
????????????}?catch?（IOException?e）?{}
		}
		return?result;
	}
	
	/**
	?*?創建文件
	?*/
	private?void?createFile（String?filePath）?{
		File?dFile?=?new?File（filePath）;
		if?（!dFile.exists（））?{
			dFile.mkdirs（）;
		}
	}
	
	/**?
?????*?文件解歸檔?（輸出到目標文件中）
?????*/??
????private?void?dearchiveFile（File?destFile?TarArchiveInputStream?tais）?{
????	BufferedOutputStream?bos?=?null;
????	try?{
????		bos?=?new?BufferedOutputStream（new?FileOutputStream（destFile））;
????????????int?count;
????????????byte?data[]?=?new?byte[1024];
????????????while?（（count?=?tais.read（data?0?1024））?!=?-1）?{
????????????	bos.write（data?0?count）;
????????????}
		}?catch?（Exception?e）?{
			e.printStackTrace（）;
		}finally?{
			try?{
				if（bos?!=?null）?{
					bos.close（）;
				}
			}?catch?（Exception?e2）?{
				e2.printStackTrace（）;
			}
		}
????}
	
	/**?
?????*?文件探針?
?????*/??
????private?void?fileProber（File?dirFile）?{??
????????File?parentFile?=?dirFile.getParentFile（）;??
????????if?（!parentFile.exists（））?{
????????????//?遞歸尋找上級目錄??
????????????fileProber（parentFile）;??
????????????parentFile.mkdir（）;??
????????}
????}
	
	
	//7z格式解壓
	public

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????文件?????1438086??2018-07-05?09:49??7z1805-x64.exe
?????文件??????378217??2018-07-05?11:11??commons-compress-1.9.jar
?????文件????????6286??2018-07-06?14:00??Tar7zGzUtils.java
?????文件???????99555??2018-07-05?11:13??xz-1.5.jar