使用Apache_Commons完成对war文件的压缩解压

package com.fq.springg;

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;
import org.junit.Test;

public class Dome1 {

	@Test
	public void aaa() {
		this.zip("E:/2/PictureService.war", "E:/1");
	}

	/**
	 * 处理WAR文件工具类。可压缩或解压缩WAR文件。
	 */
	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 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");
		}
	}
}

参考文档：

http://blog.163.com/abkiss@126/blog/static/32594100201352454017645/