Java ZipFile.getInputStream方法代码示例

import org.apache.tools.zip.ZipFile; //导入方法依赖的package包/类
/**
 * Return an InputStream for reading the contents of this Resource.
 * @return an InputStream object.
 * @throws IOException if the zip file cannot be opened,
 *         or the entry cannot be read.
 */
public InputStream getInputStream() throws IOException {
    if (isReference()) {
        return ((Resource) getCheckedRef()).getInputStream();
    }
    final ZipFile z = new ZipFile(getZipfile(), getEncoding());
    ZipEntry ze = z.getEntry(getName());
    if (ze == null) {
        z.close();
        throw new BuildException("no entry " + getName() + " in "
                                 + getArchive());
    }
    return new FilterInputStream(z.getInputStream(ze)) {
        public void close() throws IOException {
            FileUtils.close(in);
            z.close();
        }
        protected void finalize() throws Throwable {
            try {
                close();
            } finally {
                super.finalize();
            }
        }
    };
}
 

import org.apache.tools.zip.ZipFile; //导入方法依赖的package包/类
private static void unzipToDirectory(ZipFile zipFile, File destDir) throws IOException {
    byte[] buffer = new byte[4096];
    Enumeration entries = zipFile.getEntries();
    while (entries.hasMoreElements()) {
        ZipEntry entry = (ZipEntry) entries.nextElement();
        if (entry.isDirectory()) {
            File dir = new File(destDir, entry.getName());
            InstallUtils.createDirectory(dir);
        } else {
            File file = new File(destDir, entry.getName());
            InstallUtils.createDirectory(file.getParentFile());
            OutputStream out = null;
            InputStream in = null;
            try {
                out = new BufferedOutputStream(new FileOutputStream(file));
                in = zipFile.getInputStream(entry);
                Unzip.copy(in, out, buffer);
            } finally {
                InstallUtils.close(in);
                InstallUtils.close(out);
            }
            Unzip.setFilePermissions(file, entry);
        }
    }
}
 

import org.apache.tools.zip.ZipFile; //导入方法依赖的package包/类
public static void unZipFile(String archive, String decompressDir) throws IOException, FileNotFoundException, ZipException{
	BufferedInputStream bufIn = null;
	ZipFile zipFile = new ZipFile(archive, "GBK");
	Enumeration<?> enumeration = zipFile.getEntries();
	
	while (enumeration.hasMoreElements()) {
		ZipEntry zipEntry = (ZipEntry) enumeration.nextElement();
		String entryName = zipEntry.getName();
		String entryPath = decompressDir +"/" + entryName;
		if(zipEntry.isDirectory()){
			System.out.println("Decompressing directory -- " + entryName);
			File decompDirFile = new File(entryPath);
			if(!decompDirFile.exists()){
				decompDirFile.mkdirs();
			}
		}else {
			System.out.println("Decompressing file -- " + entryName);
			String fileDir = entryPath.substring(0, entryPath.lastIndexOf("/"));
			File fileDirFile = new File(fileDir);
			if(!fileDirFile.exists()){
				fileDirFile.mkdirs();
			}
			BufferedOutputStream bufOut = new BufferedOutputStream(new FileOutputStream(decompressDir + "/" + entryName));
			bufIn = new BufferedInputStream(zipFile.getInputStream(zipEntry));
			byte[] readBuf = new byte[2048];
			int readCount = bufIn.read(readBuf);
			while (readCount != -1){
				bufOut.write(readBuf, 0, readCount);
				readCount = bufIn.read(readBuf);
			}
			bufOut.close();
		}
	}
	zipFile.close();
}
 

import org.apache.tools.zip.ZipFile; //导入方法依赖的package包/类
/**
 * Open input stream for specified zip entry.
 * 
 * @param zipFile
 * @param path
 * @return
 * @throws IOException
 */
public static InputStream openEntry(File zipFile, IPath path) throws IOException
{
	ZipFile zip = new ZipFile(zipFile);
	ZipEntry entry = zip.getEntry(path.makeRelative().toPortableString());
	if (entry != null)
	{
		return zip.getInputStream(entry);
	}
	return null;
}
 

import org.apache.tools.zip.ZipFile; //导入方法依赖的package包/类
/**
 * Add a file entry.
 */
private void addResource(final Resource r, final String name, final String prefix,
                         final ZipOutputStream zOut, final int mode,
                         final ZipFile zf, final File fromArchive)
    throws IOException {

    if (zf != null) {
        final ZipEntry ze = zf.getEntry(r.getName());

        if (ze != null) {
            final boolean oldCompress = doCompress;
            if (keepCompression) {
                doCompress = (ze.getMethod() == ZipEntry.DEFLATED);
            }
            try (final BufferedInputStream is = new BufferedInputStream(zf.getInputStream(ze))) {
                zipFile(is, zOut, prefix + name, ze.getTime(),
                        fromArchive, mode, ze.getExtraFields(true));
            } finally {
                doCompress = oldCompress;
            }
        }
    } else {
        try (final BufferedInputStream is = new BufferedInputStream(r.getInputStream())) {
            zipFile(is, zOut, prefix + name, r.getLastModified(),
                    fromArchive, mode, r instanceof ZipResource
                    ? ((ZipResource) r).getExtraFields() : null);
        }
    }
}
 

import org.apache.tools.zip.ZipFile; //导入方法依赖的package包/类
private static void unZipFile(File destFile, ZipFile zipFile, ZipEntry entry)
        throws IOException {
    InputStream inputStream;
    FileOutputStream fileOut;
    if (entry.isDirectory()) // 是目录，则创建之
    {
        destFile.mkdirs();
    } else // 是文件
    {
        // 如果指定文件的父目录不存在,则创建之.
        File parent = destFile.getParentFile();
        if (parent != null && !parent.exists()) {
            parent.mkdirs();
        }

        inputStream = zipFile.getInputStream(entry);

        fileOut = new FileOutputStream(destFile);
        byte[] buf = new byte[bufSize];
        int readedBytes;
        while ((readedBytes = inputStream.read(buf)) > 0) {
            fileOut.write(buf, 0, readedBytes);
        }
        fileOut.close();

        inputStream.close();
    }
}
 

import org.apache.tools.zip.ZipFile; //导入方法依赖的package包/类
static private void unzip(File dir, File zipFile) throws IOException {
    dir = dir.getAbsoluteFile();    // without absolutization, getParentFile below seems to fail
    ZipFile zip = new ZipFile(zipFile);
    @SuppressWarnings("unchecked")
    Enumeration<ZipEntry> entries = zip.getEntries();

    try {
        while (entries.hasMoreElements()) {
            ZipEntry e = entries.nextElement();
            File f = new File(dir, e.getName());
            if (e.isDirectory()) {
                f.mkdirs();
            } else {
                File p = f.getParentFile();
                if (p != null) {
                    p.mkdirs();
                }
                InputStream input = zip.getInputStream(e);
                try {
                    IOUtils.copy(input, f);
                } finally {
                    input.close();
                }
                try {
                    FilePath target = new FilePath(f);
                    int mode = e.getUnixMode();
                    if (mode!=0)    // Ant returns 0 if the archive doesn't record the access mode
                        target.chmod(mode);
                } catch (InterruptedException ex) {
                    LOGGER.log(Level.WARNING, "unable to set permissions", ex);
                }
                f.setLastModified(e.getTime());
            }
        }
    } finally {
        zip.close();
    }
}
 

import org.apache.tools.zip.ZipFile; //导入方法依赖的package包/类
@SuppressWarnings("unchecked")
public void imoport(File file, CmsSite site) throws IOException {
	String resRoot = site.getResPath();
	String tplRoot = site.getTplPath();
	// 用默认编码或UTF-8编码解压会乱码！windows7的原因吗？
	ZipFile zip = new ZipFile(file, "GBK");
	ZipEntry entry;
	String name;
	String filename;
	File outFile;
	File pfile;
	byte[] buf = new byte[1024];
	int len;
	InputStream is = null;
	OutputStream os = null;
	String solution = null;

	Enumeration<ZipEntry> en = zip.getEntries();
	while (en.hasMoreElements()) {
		name = en.nextElement().getName();
		if (!name.startsWith(RES_EXP)) {
			solution = name.substring(0, name.indexOf("/"));
			break;
		}
	}
	if (solution == null) {
		return;
	}
	en = zip.getEntries();
	while (en.hasMoreElements()) {
		entry = en.nextElement();
		if (!entry.isDirectory()) {
			name = entry.getName();
			log.debug("unzip file：{}", name);
			// 模板还是资源
			if (name.startsWith(RES_EXP)) {
				filename = resRoot + "/" + solution
						+ name.substring(RES_EXP.length());
			} else {
				filename = tplRoot + SPT + name;
			}
			log.debug("解压地址：{}", filename);
			outFile = new File(realPathResolver.get(filename));
			pfile = outFile.getParentFile();
			if (!pfile.exists()) {
				pfile.mkdirs();
			}
			try {
				is = zip.getInputStream(entry);
				os = new FileOutputStream(outFile);
				while ((len = is.read(buf)) != -1) {
					os.write(buf, 0, len);
				}
			} finally {
				if (is != null) {
					is.close();
					is = null;
				}
				if (os != null) {
					os.close();
					os = null;
				}
			}
		}
	}
}
 

import org.apache.tools.zip.ZipFile; //导入方法依赖的package包/类
public void unZipFile(File file) throws IOException {
	// 用默认编码或UTF-8编码解压会乱码！windows7的原因吗？
	//解压之前要坚持是否冲突
	ZipFile zip = new ZipFile(file, "GBK");
	ZipEntry entry;
	String name;
	String filename;
	File outFile;
	File pfile;
	byte[] buf = new byte[1024];
	int len;
	InputStream is = null;
	OutputStream os = null;
	Enumeration<ZipEntry> en = zip.getEntries();
	while (en.hasMoreElements()) {
		entry = en.nextElement();
		name = entry.getName();
		if (!entry.isDirectory()) {
			name = entry.getName();
			filename =  name;
			outFile = new File(realPathResolver.get(filename));
			if(outFile.exists()){
				break;
			}
			pfile = outFile.getParentFile();
			if (!pfile.exists()) {
				//	pfile.mkdirs();
				createFolder(outFile);
			}
			try {
				is = zip.getInputStream(entry);
				os = new FileOutputStream(outFile);
				while ((len = is.read(buf)) != -1) {
					os.write(buf, 0, len);
				}
			} finally {
				if (is != null) {
					is.close();
					is = null;
				}
				if (os != null) {
					os.close();
					os = null;
				}
			}
		}
	}
	zip.close();
}
 

import org.apache.tools.zip.ZipFile; //导入方法依赖的package包/类
/**
 * 使用 org.apache.tools.zip.ZipFile 解压文件，它与 java 类库中的 java.util.zip.ZipFile
 * 使用方式是一新的，只不过多了设置编码方式的 接口。
 * 注，apache 没有提供 ZipInputStream 类，所以只能使用它提供的ZipFile 来读取压缩文件。
 *
 * @param archive
 *            压缩包路径
 * @param decompressDir
 *            解压路径
 * @throws IOException
 *             IOException
 * @throws FileNotFoundException
 *             FileNotFoundException
 * @throws ZipException
 *             ZipException
 */
public synchronized static void unzip(String archive, String decompressDir)
        throws IOException, FileNotFoundException, ZipException {
    BufferedInputStream bi;

    ZipFile zf = new ZipFile(archive, encoding);// 支持中文

    Enumeration<ZipEntry> e = zf.getEntries();
    while (e.hasMoreElements()) {
        ZipEntry ze = e.nextElement();
        String entryName = ze.getName();
        String path = decompressDir + "/" + entryName;
        if (ze.isDirectory()) {
            logger.debug("正在创建解压目录 - " + entryName);
            File decompressDirFile = new File(path);
            if (!decompressDirFile.exists()) {
                decompressDirFile.mkdirs();
            }
        } else {
            logger.debug("正在创建解压文件 - " + entryName);
            String fileDir = path.substring(0, path.lastIndexOf("/"));
            File fileDirFile = new File(fileDir);
            if (!fileDirFile.exists()) {
                fileDirFile.mkdirs();
            }
            BufferedOutputStream bos = new BufferedOutputStream(
                    new FileOutputStream(decompressDir + "/" + entryName));

            bi = new BufferedInputStream(zf.getInputStream(ze));
            byte[] readContent = new byte[1024];
            int readCount = bi.read(readContent);
            while (readCount != -1) {
                bos.write(readContent, 0, readCount);
                readCount = bi.read(readContent);
            }
            bos.close();
            bi.close();
        }
    }
    zf.close();
}