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

Example 41 with ZipOutputStream

use of java.util.zip.ZipOutputStream in project SmartAndroidSource by jaychou2012.

the class ZipUtil method packEntry.

/* Compressing single entries to ZIP files. */
/**
	 * Compresses the given file into a ZIP file with single entry.
	 * 
	 * @param file
	 *            file to be compressed.
	 * @return ZIP file created.
	 */
public static byte[] packEntry(File file) {
    // log.trace("Compressing '{}' into a ZIP file with single entry.",
    // file);
    ByteArrayOutputStream result = new ByteArrayOutputStream();
    try {
        ZipOutputStream out = new ZipOutputStream(result);
        ZipEntry entry = new ZipEntry(file.getName());
        entry.setTime(file.lastModified());
        InputStream in = new BufferedInputStream(new FileInputStream(file));
        try {
            ZipEntryUtil.addEntry(entry, in, out);
        } finally {
            IOUtils.closeQuietly(in);
        }
        out.close();
    } catch (IOException e) {
        throw ZipExceptionUtil.rethrow(e);
    }
    return result.toByteArray();
}

Example 42 with ZipOutputStream

use of java.util.zip.ZipOutputStream in project SmartAndroidSource by jaychou2012.

the class ZipUtil method replaceEntries.

/**
	 * Copies an existing ZIP file and replaces the given entries in it.
	 * 
	 * @param zip
	 *            an existing ZIP file (only read).
	 * @param entries
	 *            new ZIP entries to be replaced with.
	 * @param destZip
	 *            new ZIP file created.
	 * @return <code>true</code> if at least one entry was replaced.
	 */
public static boolean replaceEntries(File zip, ZipEntrySource[] entries, File destZip) {
    // if (log.isDebugEnabled()) {
    // log.debug("Copying '" + zip + "' to '" + destZip
    // + "' and replacing entries " + Arrays.asList(entries) + ".");
    // }
    final Map<String, ZipEntrySource> entryByPath = entriesByPath(entries);
    final int entryCount = entryByPath.size();
    try {
        final ZipOutputStream out = new ZipOutputStream(new BufferedOutputStream(new FileOutputStream(destZip)));
        try {
            final Set<String> names = new HashSet<String>();
            iterate(zip, new ZipEntryCallback() {

                public void process(InputStream in, ZipEntry zipEntry) throws IOException {
                    if (names.add(zipEntry.getName())) {
                        ZipEntrySource entry = (ZipEntrySource) entryByPath.remove(zipEntry.getName());
                        if (entry != null) {
                            addEntry(entry, out);
                        } else {
                            ZipEntryUtil.copyEntry(zipEntry, in, out);
                        }
                    }
                // else if (log.isDebugEnabled()) {
                // log.debug("Duplicate entry: {}", zipEntry.getName());
                // }
                }
            });
        } finally {
            IOUtils.closeQuietly(out);
        }
    } catch (IOException e) {
        ZipExceptionUtil.rethrow(e);
    }
    return entryByPath.size() < entryCount;
}

Example 43 with ZipOutputStream

use of java.util.zip.ZipOutputStream in project Lazy by l123456789jy.

the class ZipUtil method zipFiles.

/**
     * 批量压缩文件（夹）
     *
     * @param resFileList 要压缩的文件（夹）列表
     * @param zipFile 生成的压缩文件
     * @param zipListener     zipListener
     */
public static void zipFiles(Collection<File> resFileList, File zipFile, ZipListener zipListener) {
    ZipOutputStream zipout = null;
    try {
        zipout = new ZipOutputStream(new BufferedOutputStream(new FileOutputStream(zipFile), BUFF_SIZE));
        for (File resFile : resFileList) {
            if (stopZipFlag) {
                break;
            }
            zipFile(resFile, zipout, "", zipListener);
        }
        zipout.close();
    } catch (Exception e) {
        e.printStackTrace();
    }
}

Example 44 with ZipOutputStream

use of java.util.zip.ZipOutputStream in project neo4j by neo4j.

the class ReadablesTest method compressWithZip.

// TODO test for failing reading a ZIP archive with multiple files in
private File compressWithZip(String text, String... otherEntries) throws IOException {
    File file = directory.file("compressed");
    try (ZipOutputStream out = new ZipOutputStream(new FileOutputStream(file))) {
        for (String otherEntry : otherEntries) {
            out.putNextEntry(new ZipEntry(otherEntry));
        }
        out.putNextEntry(new ZipEntry("file"));
        out.write(text.getBytes());
    }
    return file;
}

Example 45 with ZipOutputStream

use of java.util.zip.ZipOutputStream in project neo4j by neo4j.

the class PartitionedIndexStorage method cleanupFolder.

private void cleanupFolder(File folder, boolean archiveFailed) throws IOException {
    List<File> partitionFolders = listFolders(folder);
    if (!partitionFolders.isEmpty()) {
        try (ZipOutputStream zip = archiveFile(folder, archiveFailed)) {
            byte[] buffer = null;
            if (zip != null) {
                buffer = new byte[4 * 1024];
            }
            for (File partitionFolder : partitionFolders) {
                cleanupLuceneDirectory(partitionFolder, zip, buffer);
            }
        }
    }
    fileSystem.deleteRecursively(folder);
}