使用Apache Commons Compress进行文件解压
package com.app.common.util.zip;
import java.io.*;
import java.util.Enumeration;
import org.apache.commons.compress.archivers.zip.ZipArchiveEntry;
import org.apache.commons.compress.archivers.zip.ZipFile;
/**
* 抽象文件解压类
* @author Administrator
*
*/
public abstract class AbstractUnZipHandler {
public static final String DEF_ENCODING = "GBK";
public static final String FOLDER_SUFFIX = "/";
private String zipFilePath;
private File zipFile;
private String encoding;
private boolean useUnicodeExtraFields;
private ZipFile zf;
private long start = 0;
private long end = 0;
private boolean global_result;
public AbstractUnZipHandler(String zipFilePath) throws IOException {
this(zipFilePath, DEF_ENCODING);
}
public AbstractUnZipHandler(File zipFile) throws IOException {
this(zipFile, DEF_ENCODING);
}
public AbstractUnZipHandler(String zipFilePath, String encoding)
throws IOException {
this(new File(zipFilePath), encoding);
}
public AbstractUnZipHandler(File zipFile, String encoding)
throws IOException {
this.zipFile = zipFile;
this.encoding = encoding;
this.zf = new ZipFile(zipFile, encoding);
}
public AbstractUnZipHandler(File zipFile, String encoding,
boolean useUnicodeExtraFields) throws IOException {
this.zipFile = zipFile;
this.encoding = encoding;
this.useUnicodeExtraFields = useUnicodeExtraFields;
this.zf = new ZipFile(zipFile, encoding, useUnicodeExtraFields);
}
public boolean unZip() {
boolean result = true;
doStrart();
Enumeration<ZipArchiveEntry> zipEntries = zf.getEntries();
ZipArchiveEntry zipEntry = null;
String zipEntryName = null;
while (zipEntries.hasMoreElements()) {
zipEntry = zipEntries.nextElement();
zipEntryName = zipEntry.getName();
if (zf.canReadEntryData(zipEntry)) {
if (zipEntryName.endsWith(FOLDER_SUFFIX)) {
// Directory
if (handleDirectory(zipEntry) == false) {
result = false;
}
} else {
// File
if (handleFile(zf, zipEntry) == false) {
result = false;
}
}
} else {
// May return false if it is set up to use encryption or a
// compression method that hasn't been implemented yet.
result = false;
}
if (result == false) {
System.out.println("can't read zipEntry:" + zipEntryName);
System.out.println("programe will exist.");
break;
}
}
if(null!=zf){
try {
zf.close();
} catch (IOException e) {
e.printStackTrace();
}
zf= null;
}
global_result = result;
doEnd();
return result;
}
public abstract boolean handleFile(ZipFile zf, ZipArchiveEntry zipEntry);
public abstract boolean handleDirectory(ZipArchiveEntry zipEntry);
public void doStrart() {
System.out.println("start handle: " + zipFile.getAbsolutePath());
start = System.currentTimeMillis();
}
public void doEnd() {
System.out.println("global_result: "+global_result);
System.out.println("handle over "+(global_result==true?"success":"failed")+": " + zipFile.getAbsolutePath());
end = System.currentTimeMillis();
System.out.println("total take: " + (end - start) + " ms.");
if(false==global_result){
handleUnZipFailed();
}
}
public abstract void handleUnZipFailed();
public String getZipFilePath() {
return zipFilePath;
}
public File getZipFile() {
return zipFile;
}
public String getEncoding() {
return encoding;
}
public boolean isUseUnicodeExtraFields() {
return useUnicodeExtraFields;
}
}
package com.app.common.util.zip;
import java.io.*;
import java.util.Enumeration;
import org.apache.commons.compress.archivers.zip.ZipArchiveEntry;
import org.apache.commons.compress.archivers.zip.ZipFile;
/**
* 抽象文件解压类
* @author Administrator
*
*/
public abstract class AbstractUnZipHandler {
public static final String DEF_ENCODING = "GBK";
public static final String FOLDER_SUFFIX = "/";
private String zipFilePath;
private File zipFile;
private String encoding;
private boolean useUnicodeExtraFields;
private ZipFile zf;
private long start = 0;
private long end = 0;
private boolean global_result;
public AbstractUnZipHandler(String zipFilePath) throws IOException {
this(zipFilePath, DEF_ENCODING);
}
public AbstractUnZipHandler(File zipFile) throws IOException {
this(zipFile, DEF_ENCODING);
}
public AbstractUnZipHandler(String zipFilePath, String encoding)
throws IOException {
this(new File(zipFilePath), encoding);
}
public AbstractUnZipHandler(File zipFile, String encoding)
throws IOException {
this.zipFile = zipFile;
this.encoding = encoding;
this.zf = new ZipFile(zipFile, encoding);
}
public AbstractUnZipHandler(File zipFile, String encoding,
boolean useUnicodeExtraFields) throws IOException {
this.zipFile = zipFile;
this.encoding = encoding;
this.useUnicodeExtraFields = useUnicodeExtraFields;
this.zf = new ZipFile(zipFile, encoding, useUnicodeExtraFields);
}
public boolean unZip() {
boolean result = true;
doStrart();
Enumeration<ZipArchiveEntry> zipEntries = zf.getEntries();
ZipArchiveEntry zipEntry = null;
String zipEntryName = null;
while (zipEntries.hasMoreElements()) {
zipEntry = zipEntries.nextElement();
zipEntryName = zipEntry.getName();
if (zf.canReadEntryData(zipEntry)) {
if (zipEntryName.endsWith(FOLDER_SUFFIX)) {
// Directory
if (handleDirectory(zipEntry) == false) {
result = false;
}
} else {
// File
if (handleFile(zf, zipEntry) == false) {
result = false;
}
}
} else {
// May return false if it is set up to use encryption or a
// compression method that hasn't been implemented yet.
result = false;
}
if (result == false) {
System.out.println("can't read zipEntry:" + zipEntryName);
System.out.println("programe will exist.");
break;
}
}
if(null!=zf){
try {
zf.close();
} catch (IOException e) {
e.printStackTrace();
}
zf= null;
}
global_result = result;
doEnd();
return result;
}
public abstract boolean handleFile(ZipFile zf, ZipArchiveEntry zipEntry);
public abstract boolean handleDirectory(ZipArchiveEntry zipEntry);
public void doStrart() {
System.out.println("start handle: " + zipFile.getAbsolutePath());
start = System.currentTimeMillis();
}
public void doEnd() {
System.out.println("global_result: "+global_result);
System.out.println("handle over "+(global_result==true?"success":"failed")+": " + zipFile.getAbsolutePath());
end = System.currentTimeMillis();
System.out.println("total take: " + (end - start) + " ms.");
if(false==global_result){
handleUnZipFailed();
}
}
public abstract void handleUnZipFailed();
public String getZipFilePath() {
return zipFilePath;
}
public File getZipFile() {
return zipFile;
}
public String getEncoding() {
return encoding;
}
public boolean isUseUnicodeExtraFields() {
return useUnicodeExtraFields;
}
}
package com.app.common.util.zip;
import java.io.File;
import java.io.IOException;
/**
* 解压测试类
* @author Administrator
*
*/
public class TestDefUnZipHandler {
public static void main(String[] args) throws IOException {
File zipFile = new File("c:/btv5.zip");
DefUnZipHandler handler = new DefUnZipHandler(zipFile);
handler.setBaseDir("c:/unzip/");
handler.unZip();
}
}
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