Examples with ZipOutputStream java.util.zip.ZipOutputStream used on opensource projects

Example 26 with ZipOutputStream

use of java.util.zip.ZipOutputStream in project atlas by alibaba.

the class ZipUtils method removeZipEntry.

public static boolean removeZipEntry(File file, Pattern pattern, File targetFile) throws FileNotFoundException, IOException {
    byte[] buffer = new byte[1024];
    java.util.zip.ZipFile zipFile = new java.util.zip.ZipFile(file);
    ZipOutputStream out = new ZipOutputStream(new BufferedOutputStream(new FileOutputStream(targetFile)));
    BufferedOutputStream bo = new BufferedOutputStream(out);
    InputStream inputStream;
    Enumeration enumeration = zipFile.entries();
    while (enumeration.hasMoreElements()) {
        ZipEntry zipEntry = (ZipEntry) enumeration.nextElement();
        String name = zipEntry.getName();
        if (pattern.matcher(name).find()) {
            continue;
        }
        out.putNextEntry(zipEntry);
        inputStream = zipFile.getInputStream(zipEntry);
        write(inputStream, out, buffer);
        bo.flush();
    }
    closeQuitely(zipFile);
    closeQuitely(out);
    closeQuitely(bo);
    return true;
}

Example 27 with ZipOutputStream

use of java.util.zip.ZipOutputStream in project atlas by alibaba.

the class JarSplitUtils method removeFilesFromJar.

/**
     * 移除指定jar文件中的class
     * @param inJar
     * @param removeClasses
     */
public static void removeFilesFromJar(File inJar, List<String> removeClasses) throws IOException {
    if (null == removeClasses || removeClasses.isEmpty()) {
        return;
    }
    File outJar = new File(inJar.getParentFile(), inJar.getName() + ".tmp");
    File outParentFolder = outJar.getParentFile();
    if (!outParentFolder.exists()) {
        outParentFolder.mkdirs();
    }
    FileOutputStream fos = new FileOutputStream(outJar);
    ZipOutputStream jos = new ZipOutputStream(fos);
    final byte[] buffer = new byte[8192];
    FileInputStream fis = new FileInputStream(inJar);
    ZipInputStream zis = new ZipInputStream(fis);
    try {
        // loop on the entries of the jar file package and put them in the final jar
        ZipEntry entry;
        while ((entry = zis.getNextEntry()) != null) {
            // do not take directories or anything inside a potential META-INF folder.
            if (entry.isDirectory() || !entry.getName().endsWith(".class")) {
                continue;
            }
            String name = entry.getName();
            String className = getClassName(name);
            if (removeClasses.contains(className)) {
                continue;
            }
            JarEntry newEntry;
            // Preserve the STORED method of the input entry.
            if (entry.getMethod() == JarEntry.STORED) {
                newEntry = new JarEntry(entry);
            } else {
                // Create a new entry so that the compressed len is recomputed.
                newEntry = new JarEntry(name);
            }
            // add the entry to the jar archive
            jos.putNextEntry(newEntry);
            // read the content of the entry from the input stream, and write it into the archive.
            int count;
            while ((count = zis.read(buffer)) != -1) {
                jos.write(buffer, 0, count);
            }
            // close the entries for this file
            jos.closeEntry();
            zis.closeEntry();
        }
    } finally {
        zis.close();
    }
    fis.close();
    jos.close();
    FileUtils.deleteQuietly(inJar);
    FileUtils.moveFile(outJar, inJar);
}

Example 28 with ZipOutputStream

use of java.util.zip.ZipOutputStream in project atlas by alibaba.

the class JarSplitUtils method splitZip.

public static void splitZip(File inputFile, File outputFile, Set<String> includeEnties) throws IOException {
    if (outputFile.exists()) {
        FileUtils.deleteQuietly(outputFile);
    }
    if (null == includeEnties || includeEnties.size() < 1) {
        return;
    }
    FileOutputStream fos = new FileOutputStream(outputFile);
    ZipOutputStream jos = new ZipOutputStream(fos);
    final byte[] buffer = new byte[8192];
    FileInputStream fis = new FileInputStream(inputFile);
    ZipInputStream zis = new ZipInputStream(fis);
    try {
        // loop on the entries of the jar file package and put them in the final jar
        ZipEntry entry;
        while ((entry = zis.getNextEntry()) != null) {
            // do not take directories or anything inside a potential META-INF folder.
            if (entry.isDirectory()) {
                continue;
            }
            String name = entry.getName();
            if (!includeEnties.contains(name)) {
                continue;
            }
            JarEntry newEntry;
            // Preserve the STORED method of the input entry.
            if (entry.getMethod() == JarEntry.STORED) {
                newEntry = new JarEntry(entry);
            } else {
                // Create a new entry so that the compressed len is recomputed.
                newEntry = new JarEntry(name);
            }
            // add the entry to the jar archive
            jos.putNextEntry(newEntry);
            // read the content of the entry from the input stream, and write it into the archive.
            int count;
            while ((count = zis.read(buffer)) != -1) {
                jos.write(buffer, 0, count);
            }
            // close the entries for this file
            jos.closeEntry();
            zis.closeEntry();
        }
    } finally {
        zis.close();
    }
    fis.close();
    jos.close();
}

Example 29 with ZipOutputStream

use of java.util.zip.ZipOutputStream in project atlas by alibaba.

the class ZipUtils method addFileAndDirectoryToZip.

/**
     * 指定文件压缩成一个zip包，主要给solib发布使用
     *
     * @param output
     * @param srcDir
     * @throws Exception
     */
public static void addFileAndDirectoryToZip(File output, File srcDir) throws Exception {
    if (output.isDirectory()) {
        throw new IOException("This is a directory!");
    }
    if (!output.getParentFile().exists()) {
        output.getParentFile().mkdirs();
    }
    if (!output.exists()) {
        output.createNewFile();
    }
    List fileList = getSubFiles(srcDir);
    ZipOutputStream zos = new ZipOutputStream(new FileOutputStream(output));
    ZipEntry ze = null;
    byte[] buf = new byte[1024];
    int readLen = 0;
    for (int i = 0; i < fileList.size(); i++) {
        File f = (File) fileList.get(i);
        ze = new ZipEntry(getAbsFileName(srcDir.getPath(), f));
        ze.setSize(f.length());
        ze.setTime(f.lastModified());
        zos.putNextEntry(ze);
        InputStream is = new BufferedInputStream(new FileInputStream(f));
        while ((readLen = is.read(buf, 0, 1024)) != -1) {
            zos.write(buf, 0, readLen);
        }
        is.close();
    }
    zos.close();
}

Example 30 with ZipOutputStream

use of java.util.zip.ZipOutputStream in project atlas by alibaba.

the class ZipUtils method addFileToZipFile.

/**
     * 增加文件到zip文件
     *
     * @param zipFile
     * @param file
     * @param destPath  要放的路径
     * @param overwrite 是否覆盖
     * @throws IOException
     */
public static void addFileToZipFile(File zipFile, File outZipFile, File file, String destPath, boolean overwrite) throws IOException {
    byte[] buf = new byte[1024];
    ZipInputStream zin = new ZipInputStream(new FileInputStream(zipFile));
    ZipOutputStream out = new ZipOutputStream(new FileOutputStream(outZipFile));
    ZipEntry entry = zin.getNextEntry();
    boolean addFile = true;
    while (entry != null) {
        boolean addEntry = true;
        String name = entry.getName();
        if (StringUtils.equalsIgnoreCase(name, destPath)) {
            if (overwrite) {
                addEntry = false;
            } else {
                addFile = false;
            }
        }
        if (addEntry) {
            ZipEntry zipEntry = null;
            if (ZipEntry.STORED == entry.getMethod()) {
                zipEntry = new ZipEntry(entry);
            } else {
                zipEntry = new ZipEntry(name);
            }
            out.putNextEntry(zipEntry);
            int len;
            while ((len = zin.read(buf)) > 0) {
                out.write(buf, 0, len);
            }
        }
        entry = zin.getNextEntry();
    }
    if (addFile) {
        InputStream in = new FileInputStream(file);
        // Add ZIP entry to output stream.
        ZipEntry zipEntry = new ZipEntry(destPath);
        out.putNextEntry(zipEntry);
        // Transfer bytes from the file to the ZIP file
        int len;
        while ((len = in.read(buf)) > 0) {
            out.write(buf, 0, len);
        }
        // Complete the entry
        out.closeEntry();
        in.close();
    }
    // Close the streams
    zin.close();
    out.close();
}