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

Example 21 with ZipOutputStream

use of java.util.zip.ZipOutputStream in project tinker by Tencent.

the class FileUtil method differZip.

/**
     * differ zip
     *
     * @param differentOutputFullFilename
     * @param oldZipFullFilename
     * @param newZipFullFilename
     */
public static void differZip(String differentOutputFullFilename, String oldZipFullFilename, String newZipFullFilename) {
    Map<String, String> map = getZipEntryHashMap(oldZipFullFilename);
    ZipFile newZipFile = null;
    ZipOutputStream zipOutputStream = null;
    try {
        newZipFile = new ZipFile(newZipFullFilename);
        Enumeration<? extends ZipEntry> entries = newZipFile.entries();
        FileUtil.createFile(differentOutputFullFilename);
        zipOutputStream = new ZipOutputStream(new FileOutputStream(differentOutputFullFilename));
        while (entries.hasMoreElements()) {
            ZipEntry zipEntry = entries.nextElement();
            if (!zipEntry.isDirectory()) {
                String zipEntryName = zipEntry.getName();
                String oldZipEntryHash = map.get(zipEntryName);
                String newZipEntryHash = zipEntry.getCrc() + Constant.Symbol.DOT + zipEntry.getSize();
                // is a modified zip entry
                if (oldZipEntryHash == null || (!newZipEntryHash.equals(oldZipEntryHash))) {
                    System.out.println(String.format("found modified entry, key=%s(%s/%s)", new Object[] { zipEntryName, oldZipEntryHash, newZipEntryHash }));
                    addZipEntry(zipOutputStream, zipEntry, newZipFile.getInputStream(zipEntry));
                }
            }
        }
    } catch (Exception e) {
        throw new FileUtilException(e);
    } finally {
        if (newZipFile != null) {
            try {
                newZipFile.close();
            } catch (IOException e) {
                throw new FileUtilException(e);
            }
        }
        if (zipOutputStream != null) {
            try {
                zipOutputStream.finish();
            } catch (IOException e) {
                throw new FileUtilException(e);
            }
        }
    }
}

Example 22 with ZipOutputStream

use of java.util.zip.ZipOutputStream in project tinker by Tencent.

the class FileUtil method mergeZip.

/**
     * merge zip file
     *
     * @param zipOutputFullFilename
     * @param mergeZipFullFilenameList
     */
public static void mergeZip(String zipOutputFullFilename, List<String> mergeZipFullFilenameList) {
    FileUtil.createFile(zipOutputFullFilename);
    ZipOutputStream zipOutputStream = null;
    try {
        zipOutputStream = new ZipOutputStream(new FileOutputStream(zipOutputFullFilename));
        if (mergeZipFullFilenameList != null) {
            for (String zipFullFilename : mergeZipFullFilenameList) {
                if (isExist(zipFullFilename)) {
                    ZipFile zipFile = new ZipFile(zipFullFilename);
                    Enumeration<? extends ZipEntry> enumeration = zipFile.entries();
                    while (enumeration.hasMoreElements()) {
                        ZipEntry zipEntry = enumeration.nextElement();
                        InputStream inputStream = zipFile.getInputStream(zipEntry);
                        addZipEntry(zipOutputStream, zipEntry, inputStream);
                    }
                    zipFile.close();
                }
            }
        }
    } catch (Exception e) {
        throw new FileUtilException(e);
    } finally {
        try {
            if (zipOutputStream != null) {
                zipOutputStream.close();
            }
        } catch (Exception e) {
            throw new FileUtilException(e);
        }
    }
}

Example 23 with ZipOutputStream

use of java.util.zip.ZipOutputStream in project MinecraftForge by MinecraftForge.

the class AccessTransformer method processJar.

private static void processJar(File inFile, File outFile, AccessTransformer[] transformers) throws IOException {
    ZipInputStream inJar = null;
    ZipOutputStream outJar = null;
    try {
        try {
            inJar = new ZipInputStream(new BufferedInputStream(new FileInputStream(inFile)));
        } catch (FileNotFoundException e) {
            throw new FileNotFoundException("Could not open input file: " + e.getMessage());
        }
        try {
            outJar = new ZipOutputStream(new BufferedOutputStream(new FileOutputStream(outFile)));
        } catch (FileNotFoundException e) {
            throw new FileNotFoundException("Could not open output file: " + e.getMessage());
        }
        ZipEntry entry;
        while ((entry = inJar.getNextEntry()) != null) {
            if (entry.isDirectory()) {
                outJar.putNextEntry(entry);
                continue;
            }
            byte[] data = new byte[4096];
            ByteArrayOutputStream entryBuffer = new ByteArrayOutputStream();
            int len;
            do {
                len = inJar.read(data);
                if (len > 0) {
                    entryBuffer.write(data, 0, len);
                }
            } while (len != -1);
            byte[] entryData = entryBuffer.toByteArray();
            String entryName = entry.getName();
            if (entryName.endsWith(".class") && !entryName.startsWith(".")) {
                ClassNode cls = new ClassNode();
                ClassReader rdr = new ClassReader(entryData);
                rdr.accept(cls, 0);
                String name = cls.name.replace('/', '.').replace('\\', '.');
                for (AccessTransformer trans : transformers) {
                    entryData = trans.transform(name, name, entryData);
                }
            }
            ZipEntry newEntry = new ZipEntry(entryName);
            outJar.putNextEntry(newEntry);
            outJar.write(entryData);
        }
    } finally {
        IOUtils.closeQuietly(outJar);
        IOUtils.closeQuietly(inJar);
    }
}

Example 24 with ZipOutputStream

use of java.util.zip.ZipOutputStream in project MinecraftForge by MinecraftForge.

the class MarkerTransformer method processJar.

private static void processJar(File inFile, File outFile, MarkerTransformer[] transformers) throws IOException {
    ZipInputStream inJar = null;
    ZipOutputStream outJar = null;
    try {
        try {
            inJar = new ZipInputStream(new BufferedInputStream(new FileInputStream(inFile)));
        } catch (FileNotFoundException e) {
            throw new FileNotFoundException("Could not open input file: " + e.getMessage());
        }
        try {
            outJar = new ZipOutputStream(new BufferedOutputStream(new FileOutputStream(outFile)));
        } catch (FileNotFoundException e) {
            throw new FileNotFoundException("Could not open output file: " + e.getMessage());
        }
        ZipEntry entry;
        while ((entry = inJar.getNextEntry()) != null) {
            if (entry.isDirectory()) {
                outJar.putNextEntry(entry);
                continue;
            }
            byte[] data = new byte[4096];
            ByteArrayOutputStream entryBuffer = new ByteArrayOutputStream();
            int len;
            do {
                len = inJar.read(data);
                if (len > 0) {
                    entryBuffer.write(data, 0, len);
                }
            } while (len != -1);
            byte[] entryData = entryBuffer.toByteArray();
            String entryName = entry.getName();
            if (entryName.endsWith(".class") && !entryName.startsWith(".")) {
                ClassNode cls = new ClassNode();
                ClassReader rdr = new ClassReader(entryData);
                rdr.accept(cls, 0);
                String name = cls.name.replace('/', '.').replace('\\', '.');
                for (MarkerTransformer trans : transformers) {
                    entryData = trans.transform(name, name, entryData);
                }
            }
            ZipEntry newEntry = new ZipEntry(entryName);
            outJar.putNextEntry(newEntry);
            outJar.write(entryData);
        }
    } finally {
        IOUtils.closeQuietly(outJar);
        IOUtils.closeQuietly(inJar);
    }
}

Example 25 with ZipOutputStream

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

the class ZipUtils method addFileAndDirectoryToZip.

public static void addFileAndDirectoryToZip(File output, File srcDir, Map<String, ZipEntry> zipEntryMethodMap) 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());
        if (zipEntryMethodMap != null) {
            ZipEntry originEntry = zipEntryMethodMap.get(f.getAbsolutePath());
            if (originEntry != null) {
                ze.setCompressedSize(originEntry.getCompressedSize());
                ze.setCrc(originEntry.getCrc());
                ze.setMethod(originEntry.getMethod());
            }
        }
        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();
}