可压缩或解压缩WAR文件代码,C代码库,德仔网

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【C】可压缩或解压缩WAR文件

作者:shelltea / 发布于2013/7/1/ 834

适用于Windows平台，依赖commons-compress和commons-io。


	package utils;

	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.io.OutputStream;
	import java.util.Iterator;

	import org.apache.commons.compress.archivers.ArchiveException;
	import org.apache.commons.compress.archivers.ArchiveInputStream;
	import org.apache.commons.compress.archivers.ArchiveOutputStream;
	import org.apache.commons.compress.archivers.ArchiveStreamFactory;
	import org.apache.commons.compress.archivers.jar.JarArchiveEntry;
	import org.apache.commons.compress.archivers.zip.ZipArchiveEntry;
	import org.apache.commons.compress.utils.IOUtils;
	import org.apache.commons.io.FileUtils;

	/**
	* 处理WAR文件工具类。可压缩或解压缩WAR文件。
	*
	* @author Xiong Shuhong(shelltea@gmail.com)
	*/
	public class WarUtils {
	public static void unzip(String warPath, String unzipPath) {
	 File warFile = new File(warPath);
	 try {
	 BufferedInputStream bufferedInputStream = new BufferedInputStream(new FileInputStream(warFile));
	 ArchiveInputStream in = new ArchiveStreamFactory().createArchiveInputStream(ArchiveStreamFactory.JAR,
	 bufferedInputStream);

	 JarArchiveEntry entry = null;
	 while ((entry = (JarArchiveEntry) in.getNextEntry()) != null) {
	 if (entry.isDirectory()) {
	 new File(unzipPath, entry.getName()).mkdir();
	 } else {
	 OutputStream out = FileUtils.openOutputStream(new File(unzipPath, entry.getName()));
	 IOUtils.copy(in, out);
	 out.close();
	 }
	 }
	 in.close();
	 } catch (FileNotFoundException e) {
	 System.err.println("未找到war文件");
	 } catch (ArchiveException e) {
	 System.err.println("不支持的压缩格式");
	 } catch (IOException e) {
	 System.err.println("文件写入发生错误");
	 }
	}

	public static void zip(String destFile, String zipDir) {
	 File outFile = new File(destFile);
	 try {
	 outFile.createNewFile();
	 BufferedOutputStream bufferedOutputStream = new BufferedOutputStream(new FileOutputStream(outFile));
	 ArchiveOutputStream out = new ArchiveStreamFactory().createArchiveOutputStream(ArchiveStreamFactory.JAR,
	 bufferedOutputStream);

	 if (zipDir.charAt(zipDir.length() - 1) != '/') {
	 zipDir += '/';
	 }

	 Iterator<File> files = FileUtils.iterateFiles(new File(zipDir), null, true);
	 while (files.hasNext()) {
	 File file = files.next();
	 ZipArchiveEntry zipArchiveEntry = new ZipArchiveEntry(file, file.getPath().replace(
	 zipDir.replace("/", "\\"), ""));
	 out.putArchiveEntry(zipArchiveEntry);
	 IOUtils.copy(new FileInputStream(file), out);
	 out.closeArchiveEntry();
	 }
	 out.finish();
	 out.close();
	 } catch (IOException e) {
	 System.err.println("创建文件失败");
	 } catch (ArchiveException e) {
	 System.err.println("不支持的压缩格式");
	 }
	}
	}

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