Examples with FilePath org.h2.store.fs.FilePath used on opensource projects

Example 6 with FilePath

use of org.h2.store.fs.FilePath in project h2database by h2database.

the class FileZip2 method newDirectoryStream.

@Override
public ArrayList<FilePath> newDirectoryStream() {
    String path = name;
    try {
        if (path.indexOf('!') < 0) {
            path += "!";
        }
        if (!path.endsWith("/")) {
            path += "/";
        }
        ZipInputStream file = openZip();
        String dirName = getEntryName();
        String prefix = path.substring(0, path.length() - dirName.length());
        ArrayList<FilePath> list = New.arrayList();
        while (true) {
            ZipEntry entry = file.getNextEntry();
            if (entry == null) {
                break;
            }
            String entryName = entry.getName();
            if (entryName.startsWith(dirName) && entryName.length() > dirName.length()) {
                int idx = entryName.indexOf('/', dirName.length());
                if (idx < 0 || idx >= entryName.length() - 1) {
                    list.add(getPath(prefix + entryName));
                }
            }
            file.closeEntry();
        }
        file.close();
        return list;
    } catch (IOException e) {
        throw DbException.convertIOException(e, "listFiles " + path);
    }
}

Example 7 with FilePath

use of org.h2.store.fs.FilePath in project h2database by h2database.

the class TestMVStore method testFileHeaderCorruption.

private void testFileHeaderCorruption() throws Exception {
    String fileName = getBaseDir() + "/" + getTestName();
    FileUtils.delete(fileName);
    MVStore s = new MVStore.Builder().fileName(fileName).pageSplitSize(1000).autoCommitDisabled().open();
    s.setRetentionTime(0);
    MVMap<Integer, byte[]> map;
    map = s.openMap("test");
    map.put(0, new byte[100]);
    for (int i = 0; i < 10; i++) {
        map = s.openMap("test" + i);
        map.put(0, new byte[1000]);
        s.commit();
    }
    FileStore fs = s.getFileStore();
    long size = fs.getFile().size();
    for (int i = 0; i < 100; i++) {
        map = s.openMap("test" + i);
        s.removeMap(map);
        s.commit();
        s.compact(100, 1);
        if (fs.getFile().size() <= size) {
            break;
        }
    }
    // the last chunk is at the end
    s.setReuseSpace(false);
    map = s.openMap("test2");
    map.put(1, new byte[1000]);
    s.close();
    FilePath f = FilePath.get(fileName);
    int blockSize = 4 * 1024;
    // test corrupt file headers
    for (int i = 0; i <= blockSize; i += blockSize) {
        FileChannel fc = f.open("rw");
        if (i == 0) {
            // corrupt the last block (the end header)
            fc.write(ByteBuffer.allocate(256), fc.size() - 256);
        }
        ByteBuffer buff = ByteBuffer.allocate(4 * 1024);
        fc.read(buff, i);
        String h = new String(buff.array(), StandardCharsets.UTF_8).trim();
        int idx = h.indexOf("fletcher:");
        int old = Character.digit(h.charAt(idx + "fletcher:".length()), 16);
        int bad = (old + 1) & 15;
        buff.put(idx + "fletcher:".length(), (byte) Character.forDigit(bad, 16));
        buff.rewind();
        fc.write(buff, i);
        fc.close();
        if (i == 0) {
            // if the first header is corrupt, the second
            // header should be used
            s = openStore(fileName);
            map = s.openMap("test");
            assertEquals(100, map.get(0).length);
            map = s.openMap("test2");
            assertFalse(map.containsKey(1));
            s.close();
        } else {
            // both headers are corrupt
            try {
                s = openStore(fileName);
                fail();
            } catch (Exception e) {
            // expected
            }
        }
    }
}

Example 8 with FilePath

use of org.h2.store.fs.FilePath in project h2database by h2database.

the class FileReorderWrites method open.

@Override
public FileChannel open(String mode) throws IOException {
    InputStream in = newInputStream();
    FilePath copy = FilePath.get(getBase().toString() + ".copy");
    OutputStream out = copy.newOutputStream(false);
    IOUtils.copy(in, out);
    in.close();
    out.close();
    FileChannel base = getBase().open(mode);
    FileChannel readBase = copy.open(mode);
    return new FileReorderWrites(this, base, readBase);
}