java解压缩中文不乱码 apache compress
- 摘要：packagemain.util;importjava.io.BufferedOutputStream;importjava.io.File;importjava.io.FileInputStream;importjava.io.FileOutputStream;importjava.io.InputStream;importjava.io.IOException;importjava.util.Enumeration;importorg.apache.commons.compress
- 标签：Java 压缩 解压缩 Apache
monospace !important; font-weight: bold !important; line-height: 1.1em !important; border-top-left-radius: 0px !important; border-top-right-radius: 0px !important; border-bottom-right-radius: 0px !important; border-bottom-left-radius: 0px !important; background-image: none !important; border: 0px !important; float: none !important; height: auto !important; overflow: visible !important; vertical-align: baseline !important; width: auto !important; color: #006699 !important;" class="java keyword">package main.util;
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import java.io.BufferedOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.InputStream;
import java.io.IOException;
import java.util.Enumeration;
import org.apache.commons.compress.archivers.zip.ZipArchiveEntry;
import org.apache.commons.compress.archivers.zip.ZipArchiveOutputStream;
import org.apache.commons.compress.archivers.zip.ZipFile;
import org.apache.commons.compress.utils.IOUtils;
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/**
?* Utility to Zip and Unzip nested directories recursively.
?* @author Robin Spark
?*/
public class ZipUtil {
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????/**
?????* Creates a zip file at the specified path with the contents of the specified directory.
?????* NB:
?????*
?????* @param directoryPath The path of the directory where the archive will be created. eg. c:/temp
?????* @param zipPath The full path of the archive to create. eg. c:/temp/archive.zip
?????* @throws IOException If anything goes wrong
?????*/
????public static void createZip(String directoryPath, String zipPath) throws IOException {
????????FileOutputStream fOut = null;
????????BufferedOutputStream bOut = null;
????????ZipArchiveOutputStream tOut = null;
?
????????try {
????????????fOut = new FileOutputStream(new File(zipPath));
????????????bOut = new BufferedOutputStream(fOut);
????????????tOut = new ZipArchiveOutputStream(bOut);
????????????addFileToZip(tOut, directoryPath, "");
????????} finally {
????????????tOut.finish();
????????????tOut.close();
????????????bOut.close();
????????????fOut.close();
????????}
?
????}
?
????/**
?????* Creates a zip entry for the path specified with a name built from the base passed in and the file/directory
?????* name. If the path is a directory, a recursive call is made such that the full directory is added to the zip.
?????*
?????* @param zOut The zip file's output stream
?????* @param path The filesystem path of the file/directory being added
?????* @param base The base prefix to for the name of the zip file entry
?????*
?????* @throws IOException If anything goes wrong
?????*/
????private static void addFileToZip(ZipArchiveOutputStream zOut, String path, String base) throws IOException {
????????File f = new File(path);
????????String entryName = base + f.getName();
????????ZipArchiveEntry zipEntry = new ZipArchiveEntry(f, entryName);
?
????????zOut.putArchiveEntry(zipEntry);
?
????????if (f.isFile()) {
????????????FileInputStream fInputStream = null;
????????????try {
????????????????fInputStream = new FileInputStream(f);
????????????????IOUtils.copy(fInputStream, zOut);
????????????????zOut.closeArchiveEntry();
????????????} finally {
????????????????IOUtils.closeQuietly(fInputStream);
????????????}
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????????} else {
????????????zOut.closeArchiveEntry();
????????????File[] children = f.listFiles();
?
????????????if (children != null) {
????????????????for (File child : children) {
????????????????????addFileToZip(zOut, child.getAbsolutePath(), entryName + "/");
????????????????}
????????????}
????????}
????}
?
????/**
?????* Extract zip file at the specified destination path.
?????* NB:archive must consist of a single root folder containing everything else
?????*
?????* @param archivePath path to zip file
?????* @param destinationPath path to extract zip file to. Created if it doesn't exist.
?????*/
????public static void extractZip(String archivePath, String destinationPath) {
????????File archiveFile = new File(archivePath);
????????File unzipDestFolder = null;
?
????????try {
????????????unzipDestFolder = new File(destinationPath);
????????????String[] zipRootFolder = new String[]{null};
????????????unzipFolder(archiveFile, archiveFile.length(), unzipDestFolder, zipRootFolder);
????????} catch (Exception e) {
????????????e.printStackTrace();
????????}
????}
?
????/**
?????* Unzips a zip file into the given destination directory.
?????*
?????* The archive file MUST have a unique "root" folder. This root folder is
?????* skipped when unarchiving.
?????*
?????* @return true if folder is unzipped correctly.
?????*/
????@SuppressWarnings("unchecked")
????private static boolean unzipFolder(File archiveFile,
????????????long compressedSize,
????????????File zipDestinationFolder,
????????????String[] outputZipRootFolder) {
?
????????ZipFile zipFile = null;
????????try {
????????????zipFile = new ZipFile(archiveFile);
????????????byte[] buf = new byte[65536];
?
????????????Enumeration entries = zipFile.getEntries();
????????????while (entries.hasMoreElements()) {
????????????????ZipArchiveEntry zipEntry = entries.nextElement();
????????????????String name = zipEntry.getName();
????????????????name = name.replace('\\', '/');
????????????????int i = name.indexOf('/');
????????????????if (i > 0) {
????????????????????????outputZipRootFolder[0] = name.substring(0, i);
????????????????????}
????????????????????name = name.substring(i + 1);
????????????????}
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????????????????File destinationFile = new File(zipDestinationFolder, name);
????????????????if (name.endsWith("/")) {
????????????????????if (!destinationFile.isDirectory() && !destinationFile.mkdirs()) {
????????????????????????log("Error creating temp directory:" + destinationFile.getPath());
????????????????????????return false;
????????????????????}
????????????????????continue;
????????????????} else if (name.indexOf('/') != -1) {
????????????????????
????????????????????File parentFolder = destinationFile.getParentFile();
????????????????????if (!parentFolder.isDirectory()) {
????????????????????????if (!parentFolder.mkdirs()) {
????????????????????????????log("Error creating temp directory:" + parentFolder.getPath());
????????????????????????????return false;
????????????????????????}
????????????????????}
????????????????}
?
????????????????FileOutputStream fos = null;
????????????????try {
????????????????????fos = new FileOutputStream(destinationFile);
????????????????????int n;
????????????????????InputStream entryContent = zipFile.getInputStream(zipEntry);
????????????????????while ((n = entryContent.read(buf)) != -1) {
????????????????????????if (n > 0) {
????????????????????????????fos.write(buf, 0, n);
????????????????????????}
????????????????????}
????????????????} finally {
????????????????????if (fos != null) {
????????????????????????fos.close();
????????????????????}
????????????????}
????????????}
????????????return true;
?
????????} catch (IOException e) {
????????????log("Unzip failed:" + e.getMessage());
????????} finally {
????????????if (zipFile != null) {
????????????????try {
????????????????????zipFile.close();
????????????????} catch (IOException e) {
????????????????????log("Error closing zip file");
????????????????}
????????????}
????????}
?
????????return false;
????}
?
????private static void log(String msg) {
????????System.out.println(msg);
????}
?
????/**
?????* Method for testing zipping and unzipping.
?????* @param args
?????*/
????public static void main(String[] args) throws IOException {
????????createZip("c:/temp/99/target", "c:/temp/99/output2.zip");
????????extractZip("c:/temp/99/output2.zip", "c:/temp/99/1");
????}
}
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