Examples with DataOutputStream com.intellij.util.io.DataOutputStream used on opensource projects

Example 1 with DataOutputStream

use of com.intellij.util.io.DataOutputStream in project intellij-community by JetBrains.

the class SnapshotInputMappings method savePersistentData.

private boolean savePersistentData(Map<Key, Value> data, int id, boolean delayedReading) {
    try {
        if (delayedReading && myContents.containsMapping(id))
            return false;
        BufferExposingByteArrayOutputStream out = new BufferExposingByteArrayOutputStream(ourSpareByteArray.getBuffer(4 * data.size()));
        DataOutputStream stream = new DataOutputStream(out);
        int size = data.size();
        DataInputOutputUtil.writeINT(stream, size);
        if (size > 0) {
            THashMap<Value, List<Key>> values = new THashMap<>();
            List<Key> keysForNullValue = null;
            for (Map.Entry<Key, Value> e : data.entrySet()) {
                Value value = e.getValue();
                List<Key> keys = value != null ? values.get(value) : keysForNullValue;
                if (keys == null) {
                    if (value != null)
                        values.put(value, keys = new SmartList<>());
                    else
                        keys = keysForNullValue = new SmartList<>();
                }
                keys.add(e.getKey());
            }
            if (keysForNullValue != null) {
                myValueExternalizer.save(stream, null);
                mySnapshotIndexExternalizer.save(stream, keysForNullValue);
            }
            for (Value value : values.keySet()) {
                myValueExternalizer.save(stream, value);
                mySnapshotIndexExternalizer.save(stream, values.get(value));
            }
        }
        saveContents(id, out);
    } catch (IOException ex) {
        throw new RuntimeException(ex);
    }
    return true;
}

Example 2 with DataOutputStream

use of com.intellij.util.io.DataOutputStream in project intellij-community by JetBrains.

the class BuildSession method updateFsStateOnDisk.

private static void updateFsStateOnDisk(File dataStorageRoot, DataInputStream original, final long ordinal) {
    final File file = new File(dataStorageRoot, FS_STATE_FILE);
    try {
        final BufferExposingByteArrayOutputStream bytes = new BufferExposingByteArrayOutputStream();
        final DataOutputStream out = new DataOutputStream(bytes);
        try {
            out.writeInt(BuildFSState.VERSION);
            out.writeLong(ordinal);
            out.writeBoolean(false);
            while (true) {
                final int b = original.read();
                if (b == -1) {
                    break;
                }
                out.write(b);
            }
        } finally {
            out.close();
        }
        saveOnDisk(bytes, file);
    } catch (Throwable e) {
        LOG.error(e);
        FileUtil.delete(file);
    }
}

Example 3 with DataOutputStream

use of com.intellij.util.io.DataOutputStream in project intellij-community by JetBrains.

the class HashSerializeTest method writeToTempFile.

@NotNull
private static File writeToTempFile(@NotNull HashImpl... hashes) throws IOException {
    File file = FileUtil.createTempFile("", "");
    DataOutputStream out = new DataOutputStream(new FileOutputStream(file));
    try {
        for (HashImpl hash : hashes) {
            hash.write(out);
        }
    } finally {
        out.close();
    }
    return file;
}

Example 4 with DataOutputStream

use of com.intellij.util.io.DataOutputStream in project intellij-community by JetBrains.

the class BuildSession method saveFsState.

private void saveFsState(File dataStorageRoot, BuildFSState state) {
    final ProjectDescriptor pd = myProjectDescriptor;
    final File file = new File(dataStorageRoot, FS_STATE_FILE);
    try {
        final BufferExposingByteArrayOutputStream bytes = new BufferExposingByteArrayOutputStream();
        final DataOutputStream out = new DataOutputStream(bytes);
        try {
            out.writeInt(BuildFSState.VERSION);
            out.writeLong(myLastEventOrdinal);
            out.writeBoolean(hasWorkToDo(state, pd));
            state.save(out);
        } finally {
            out.close();
        }
        saveOnDisk(bytes, file);
    } catch (Throwable e) {
        LOG.error(e);
        FileUtil.delete(file);
    }
}

Example 5 with DataOutputStream

use of com.intellij.util.io.DataOutputStream in project intellij-community by JetBrains.

the class FileBasedIndexImpl method saveRegisteredIndicesAndDropUnregisteredOnes.

private static void saveRegisteredIndicesAndDropUnregisteredOnes(@NotNull Collection<ID<?, ?>> ids) {
    if (ApplicationManager.getApplication().isDisposed()) {
        return;
    }
    final File registeredIndicesFile = new File(PathManager.getIndexRoot(), "registered");
    final Set<String> indicesToDrop = new THashSet<>();
    try (DataInputStream in = new DataInputStream(new BufferedInputStream(new FileInputStream(registeredIndicesFile)))) {
        final int size = in.readInt();
        for (int idx = 0; idx < size; idx++) {
            indicesToDrop.add(IOUtil.readString(in));
        }
    } catch (IOException ignored) {
    }
    for (ID<?, ?> key : ids) {
        indicesToDrop.remove(key.toString());
    }
    if (!indicesToDrop.isEmpty()) {
        LOG.info("Dropping indices:" + StringUtil.join(indicesToDrop, ","));
        for (String s : indicesToDrop) {
            FileUtil.deleteWithRenaming(IndexInfrastructure.getIndexRootDir(ID.create(s)));
        }
    }
    FileUtil.createIfDoesntExist(registeredIndicesFile);
    try (DataOutputStream os = new DataOutputStream(new BufferedOutputStream(new FileOutputStream(registeredIndicesFile)))) {
        os.writeInt(ids.size());
        for (ID<?, ?> id : ids) {
            IOUtil.writeString(id.toString(), os);
        }
    } catch (IOException ignored) {
    }
}