JDK自带的jar util库。于是可以这么简单封装一下：
java.util.jar.JarOutputStream;
java.util.zip.ZipOutputStream;
package me.arganzheng.study.archive.util;
import java.io.BufferedInputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.util.jar.Attributes;
import java.util.jar.JarEntry;
import java.util.jar.JarOutputStream;
import java.util.jar.Manifest;
import java.util.zip.Deflater;
import java.util.zip.ZipEntry;
import java.util.zip.ZipOutputStream;
import org.apache.commons.io.FilenameUtils;
import org.apache.commons.lang.StringUtils;
/**
* ArchiveUtils类，用于创建、解压Jar/Zip/War/..文件
*
* @author arganzheng
* @date 2012-10-25
*/
public class ArchiveUtils {
public static int BUFFER_SIZE = 10240;
/** Convert millis to seconds */
public static final int MILLIS_PER_SECOND = 1000;
public static class FileSet {
private File dir;
private String regex;
private String replacement;
public File getDir() {
return dir;
}
public void setDir(File dir) {
this.dir = dir;
}
public String getRegex() {
return regex;
}
public void setRegex(String regex) {
this.regex = regex;
}
public String getReplacement() {
return replacement;
}
public void setReplacement(String replacement) {
this.replacement = replacement;
}
public FileSet(File dir, String regex, String replacement){
this.dir = dir;
this.regex = regex;
this.replacement = replacement;
}
public FileSet(String dir, String regex, String replacement){
this.dir = new File(dir);
this.regex = regex;
this.replacement = replacement;
}
public FileSet(String dir){
this.dir = new File(dir);
}
public FileSet(File dir){
this.dir = dir;
}
public FileSet(){
}
}
public static class JarUtils {
/**
* <pre>
* 创建jar文件:
*
* The 3 types of input files for the jar tool are
* 1. destination jar file
* 2. manifest file (optional) ，如果没有指定，那么会默认创建一个and is always the first entry in the jar file.
* By default, it is named META-INF/MANIFEST.MF. The manifest file is the place where any meta-information about the archive is stored
* 3. files to be archived
*
* Typical usage is
* % jar cf myjarfile *.class
*
* If you have a pre-existing manifest file that you want the jar tool to use for the new jar archive, you can specify it using the -m option:
* % jar cmf myManifestFile myJarFile *.class
* </pre>
*
* @param jarFile
* @param filesToJar
* @throws IOException
* @throws FileNotFoundException
*/
public static void createJar(File jarFile, File manifestFile, FileSet[] filesToJar) throws IOException {
// if not specifiy the Manifest，generate it.
Manifest manifest = null;
if (manifestFile == null || !manifestFile.exists()) {
manifest = createManifest();
} else {
manifest = new Manifest(new FileInputStream(manifestFile));
}
if (filesToJar == null) {
return;
}
// open the archive file for writing
JarOutputStream target = new JarOutputStream(new FileOutputStream(jarFile), manifest);
// now add the files to be jar
for (FileSet fileset : filesToJar) {
addFileToJar(fileset, target);
}
target.close();
}
public static void createJar(File archiveFile, FileSet[] filesToJar) throws IOException {
createJar(archiveFile, null, filesToJar);
}
private static Manifest createManifest() {
Manifest manifest = new Manifest();
manifest.getMainAttributes().put(Attributes.Name.MANIFEST_VERSION, "1.0");
return manifest;
}
private static JarEntry createJarEntry(FileSet fileset) {
String name = getEntryName(fileset, false);
if (StringUtils.isBlank(name)) {
return null;
}
JarEntry jarEntry = new JarEntry(name);
long modTime = fileset.getDir().lastModified() / MILLIS_PER_SECOND;
jarEntry.setTime(modTime);
return jarEntry;
}
private static void addFileToJar(FileSet source, JarOutputStream target) throws IOException {
File dir = source.getDir();
if (dir == null || !dir.exists()) {
return;
}
BufferedInputStream in = null;
try {
if (dir.isDirectory()) {
for (File nestedFile : dir.listFiles()) {
FileSet nestedFileSet = new FileSet(nestedFile, source.getRegex(), source.getReplacement());
addFileToJar(nestedFileSet, target);
}
return;
}
JarEntry entry = createJarEntry(source);
if (entry == null) {
return;
}
target.putNextEntry(entry);
in = new BufferedInputStream(new FileInputStream(dir));
byte[] buffer = new byte[BUFFER_SIZE];
while (true) {
int count = in.read(buffer);
if (count == -1) {
break;
}
target.write(buffer, 0, count);
}
target.closeEntry();
} finally {
if (in != null) in.close();
}
}
}
public static class ZipUtils {
public static void createZip(File zipFile, FileSet[] filesToZip) throws IOException {
if (filesToZip == null) {
return;
}
// create the zip file for writing
ZipOutputStream target = new ZipOutputStream(new FileOutputStream(zipFile));
target.setLevel(Deflater.DEFAULT_COMPRESSION);
// Compress the files
for (FileSet fileset : filesToZip) {
addFileToZip(fileset, target);
}
target.close();
}
private static void addFileToZip(FileSet source, ZipOutputStream target) throws IOException {
File dir = source.getDir();
if (dir == null || !dir.exists()) {
return;
}
BufferedInputStream in = null;
try {
if (dir.isDirectory()) {
for (File nestedFile : dir.listFiles()) {
FileSet nestedFileset = new FileSet(nestedFile, source.getRegex(), source.getReplacement());
addFileToZip(nestedFileset, target);
}
return;
}
ZipEntry entry = createZipEntry(source);
if (entry == null) {
return;
}
target.putNextEntry(entry);
in = new BufferedInputStream(new FileInputStream(dir));
byte[] buffer = new byte[BUFFER_SIZE];
while (true) {
int count = in.read(buffer);
if (count == -1) {
break;
}
target.write(buffer, 0, count);
}
target.closeEntry();
} finally {
if (in != null) in.close();
}
}
private static ZipEntry createZipEntry(FileSet fileset) {
String name = getEntryName(fileset, false);
if (StringUtils.isBlank(name)) {
return null;
}
ZipEntry zipEntry = new ZipEntry(name);
long modTime = fileset.getDir().lastModified() / MILLIS_PER_SECOND;
zipEntry.setTime(modTime);
return zipEntry;
}
}
static String getEntryName(FileSet fileset, boolean preserveLeadingSlashes) {
File source = fileset.getDir();
String normalizeName = source.getPath();
if (fileset.getRegex() != null && fileset.getReplacement() != null) {
String regex = fileset.getRegex();
normalizeName = normalizeName.replace(regex, fileset.getReplacement());
}
normalizeName = FilenameUtils.normalizeNoEndSeparator(normalizeName);
while (!preserveLeadingSlashes && (normalizeName.startsWith("/") || normalizeName.startsWith("\\"))) {
normalizeName = normalizeName.substring(1);
}
return FilenameUtils.separatorsToUnix(normalizeName);
}
}
但是发现有个问题，就是如果打包的文件名带有中文名，那么解压出来是乱码。Non-UTF-8 encoding in ZIP file 然后JDK7.0之后fix掉这个“bug”了，支持encoding： Working with Zip Files 不错的文章。
但是JDK升级可不是我能决定的，于是换了一个支持encoding的库：apache的commons-compress库。但是发现有个小小的缺点，居然不支持manifest，需要自己手动构造和写入。。狂汗。。
package me.arganzheng.study.archive.util;
import java.io.BufferedInputStream;
import java.io.BufferedOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.util.jar.Attributes;
import java.util.jar.JarFile;
import java.util.jar.Manifest;
import java.util.zip.Deflater;
import org.apache.commons.compress.archivers.jar.JarArchiveEntry;
import org.apache.commons.compress.archivers.jar.JarArchiveOutputStream;
import org.apache.commons.compress.archivers.zip.ZipArchiveEntry;
import org.apache.commons.compress.archivers.zip.ZipArchiveOutputStream;
import org.apache.commons.io.FilenameUtils;
import org.apache.commons.io.IOUtils;
import org.apache.commons.lang.StringUtils;
/**
* ArchiveUtils类，用于创建、解压Jar/Zip/War/..文件
*
* @author arganzheng
* @date 2012-10-25
*/
public class ArchiveUtils {
public static int BUFFER_SIZE = 10240;
/** Convert millis to seconds */
public static final int MILLIS_PER_SECOND = 1000;
public static class FileSet {
private File dir;
private String regex;
private String replacement;
public File getDir() {
return dir;
}
public void setDir(File dir) {
this.dir = dir;
}
public String getRegex() {
return regex;
}
public void setRegex(String regex) {
this.regex = regex;
}
public String getReplacement() {
return replacement;
}
public void setReplacement(String replacement) {
this.replacement = replacement;
}
public FileSet(File dir, String regex, String replacement){
this.dir = dir;
this.regex = regex;
this.replacement = replacement;
}
public FileSet(String dir, String regex, String replacement){
this.dir = new File(dir);
this.regex = regex;
this.replacement = replacement;
}
public FileSet(String dir){
this.dir = new File(dir);
}
public FileSet(File dir){
this.dir = dir;
}
public FileSet(){
}
}
public static class JarUtils {
public static void createJar(File archiveFile, FileSet[] filesToJar) throws IOException {
createJar(archiveFile, null, filesToJar);
}
/**
* <pre>
* 创建jar文件:
*
* The 3 types of input files for the jar tool are
* 1. destination jar file
* 2. manifest file (optional) ，如果没有指定，那么会默认创建一个and is always the first entry in the jar file.
* By default, it is named META-INF/MANIFEST.MF. The manifest file is the place where any meta-information about the archive is stored
* 3. files to be archived
*
* Typical usage is
* % jar cf myjarfile *.class
*
* If you have a pre-existing manifest file that you want the jar tool to use for the new jar archive, you can specify it using the -m option:
* % jar cmf myManifestFile myJarFile *.class
* </pre>
*
* @param jarFile
* @param filesToJar
* @throws IOException
* @throws FileNotFoundException
*/
public static void createJar(File jarFile, File manifestFile, FileSet[] filesToJar) throws IOException {
// if not specifiy the Manifest，generate it.
Manifest manifest = null;
if (manifestFile == null || !manifestFile.exists()) {
manifest = createManifest();
} else {
manifest = new Manifest(new FileInputStream(manifestFile));
}
if (filesToJar == null) {
return;
}
// open the archive file for writing
JarArchiveOutputStream target = new JarArchiveOutputStream(new FileOutputStream(jarFile));
addManifestToJar(manifest, target);
// now add the files to be jar
for (FileSet fileset : filesToJar) {
addFileToJar(fileset, target);
}
target.close();
}
private static void addManifestToJar(Manifest manifest, JarArchiveOutputStream target) throws IOException {
if (manifest == null) {
throw new NullPointerException("manifest");
}
JarArchiveEntry e = new JarArchiveEntry(JarFile.MANIFEST_NAME);
target.putArchiveEntry(e);
manifest.write(new BufferedOutputStream(target));
target.closeArchiveEntry();
}
private static Manifest createManifest() {
Manifest manifest = new Manifest();
manifest.getMainAttributes().put(Attributes.Name.MANIFEST_VERSION, "1.0");
return manifest;
}
private static JarArchiveEntry createArchiveJarEntry(FileSet fileset) {
String name = getEntryName(fileset, false);
if (StringUtils.isBlank(name)) {
return null;
}
JarArchiveEntry jarEntry = new JarArchiveEntry(name);
long modTime = fileset.getDir().lastModified() / MILLIS_PER_SECOND;
jarEntry.setTime(modTime);
return jarEntry;
}
private static void addFileToJar(FileSet source, JarArchiveOutputStream target) throws IOException {
File dir = source.getDir();
if (dir == null || !dir.exists()) {
return;
}
BufferedInputStream in = null;
try {
if (dir.isDirectory()) {
for (File nestedFile : dir.listFiles()) {
FileSet nestedFileSet = new FileSet(nestedFile, source.getRegex(), source.getReplacement());
addFileToJar(nestedFileSet, target);
}
return;
}
// not directory, dojar
JarArchiveEntry entry = createArchiveJarEntry(source);
if (entry == null) {
return;
}
target.putArchiveEntry(entry);
in = new BufferedInputStream(new FileInputStream(dir));
IOUtils.copy(in, target);
target.closeArchiveEntry();
} finally {
IOUtils.closeQuietly(in);
}
}
}
public static class ZipUtils {
public static void createZip(File zipFile, FileSet[] filesToZip) throws IOException {
if (filesToZip == null) {
return;
}
// create the zip file for writing
ZipArchiveOutputStream target = new ZipArchiveOutputStream(new FileOutputStream(zipFile));
target.setLevel(Deflater.DEFAULT_COMPRESSION);
// Compress the files
for (FileSet fileset : filesToZip) {
addFileToZip(fileset, target);
}
target.close();
}
private static void addFileToZip(FileSet source, ZipArchiveOutputStream target) throws IOException {
File dir = source.getDir();
if (dir == null || !dir.exists()) {
return;
}
BufferedInputStream in = null;
try {
if (dir.isDirectory()) {
for (File nestedFile : dir.listFiles()) {
FileSet nestedFileset = new FileSet(nestedFile, source.getRegex(), source.getReplacement());
addFileToZip(nestedFileset, target);
}
return;
}
ZipArchiveEntry entry = createZipArchiveEntry(source);
if (entry == null) {
return;
}
target.putArchiveEntry(entry);
in = new BufferedInputStream(new FileInputStream(dir));
IOUtils.copy(in, target);
target.closeArchiveEntry();
} finally {
IOUtils.closeQuietly(in);
}
}
private static ZipArchiveEntry createZipArchiveEntry(FileSet fileset) {
String name = getEntryName(fileset, false);
if (StringUtils.isBlank(name)) {
return null;
}
ZipArchiveEntry zipEntry = new ZipArchiveEntry(name);
long modTime = fileset.getDir().lastModified() / MILLIS_PER_SECOND;
zipEntry.setTime(modTime);
return zipEntry;
}
}
static String getEntryName(FileSet fileset, boolean preserveLeadingSlashes) {
File source = fileset.getDir();
String normalizeName = source.getPath();
if (fileset.getRegex() != null && fileset.getReplacement() != null) {
String regex = fileset.getRegex();
normalizeName = normalizeName.replace(regex, fileset.getReplacement());
}
normalizeName = FilenameUtils.normalizeNoEndSeparator(normalizeName);
while (!preserveLeadingSlashes && (normalizeName.startsWith("/") || normalizeName.startsWith("\\"))) {
normalizeName = normalizeName.substring(1);
}
return FilenameUtils.separatorsToUnix(normalizeName);
}
}
