Example usage for org.apache.commons.compress.utils CharsetNames UTF_16LE

Introduction

In this page you can find the example usage for org.apache.commons.compress.utils CharsetNames UTF_16LE.

Prototype

String UTF_16LE

To view the source code for org.apache.commons.compress.utils CharsetNames UTF_16LE.

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Document

Sixteen-bit Unicode Transformation Format, little-endian byte order.

Usage

From source file:bobs.is.compress.sevenzip.SevenZFile.java

private void readFilesInfo(final DataInput header, final Archive archive) throws IOException {
    final long numFiles = readUint64(header);
    final SevenZArchiveEntry[] files = new SevenZArchiveEntry[(int) numFiles];
    for (int i = 0; i < files.length; i++) {
        files[i] = new SevenZArchiveEntry();
    }/*  w  w w.j  ava  2s.c o m*/
    BitSet isEmptyStream = null;
    BitSet isEmptyFile = null;
    BitSet isAnti = null;
    while (true) {
        final int propertyType = header.readUnsignedByte();
        if (propertyType == 0) {
            break;
        }
        final long size = readUint64(header);
        switch (propertyType) {
        case NID.kEmptyStream: {
            isEmptyStream = readBits(header, files.length);
            break;
        }
        case NID.kEmptyFile: {
            if (isEmptyStream == null) { // protect against NPE
                throw new IOException("Header format error: kEmptyStream must appear before kEmptyFile");
            }
            isEmptyFile = readBits(header, isEmptyStream.cardinality());
            break;
        }
        case NID.kAnti: {
            if (isEmptyStream == null) { // protect against NPE
                throw new IOException("Header format error: kEmptyStream must appear before kAnti");
            }
            isAnti = readBits(header, isEmptyStream.cardinality());
            break;
        }
        case NID.kName: {
            final int external = header.readUnsignedByte();
            if (external != 0) {
                throw new IOException("Not implemented");
            }
            if (((size - 1) & 1) != 0) {
                throw new IOException("File names length invalid");
            }
            final byte[] names = new byte[(int) (size - 1)];
            header.readFully(names);
            int nextFile = 0;
            int nextName = 0;
            for (int i = 0; i < names.length; i += 2) {
                if (names[i] == 0 && names[i + 1] == 0) {
                    files[nextFile].setName(new String(names, nextName, i - nextName, CharsetNames.UTF_16LE));
                    nextName = i + 2;
                    this.mapFilename.put(files[nextFile].getName(), nextFile);
                    nextFile++;
                }
            }
            if (nextName != names.length || nextFile != files.length) {
                throw new IOException("Error parsing file names");
            }
            break;
        }
        case NID.kCTime: {
            final BitSet timesDefined = readAllOrBits(header, files.length);
            final int external = header.readUnsignedByte();
            if (external != 0) {
                throw new IOException("Unimplemented");
            }
            for (int i = 0; i < files.length; i++) {
                files[i].setHasCreationDate(timesDefined.get(i));
                if (files[i].getHasCreationDate()) {
                    files[i].setCreationDate(Long.reverseBytes(header.readLong()));
                }
            }
            break;
        }
        case NID.kATime: {
            final BitSet timesDefined = readAllOrBits(header, files.length);
            final int external = header.readUnsignedByte();
            if (external != 0) {
                throw new IOException("Unimplemented");
            }
            for (int i = 0; i < files.length; i++) {
                files[i].setHasAccessDate(timesDefined.get(i));
                if (files[i].getHasAccessDate()) {
                    files[i].setAccessDate(Long.reverseBytes(header.readLong()));
                }
            }
            break;
        }
        case NID.kMTime: {
            final BitSet timesDefined = readAllOrBits(header, files.length);
            final int external = header.readUnsignedByte();
            if (external != 0) {
                throw new IOException("Unimplemented");
            }
            for (int i = 0; i < files.length; i++) {
                files[i].setHasLastModifiedDate(timesDefined.get(i));
                if (files[i].getHasLastModifiedDate()) {
                    files[i].setLastModifiedDate(Long.reverseBytes(header.readLong()));
                }
            }
            break;
        }
        case NID.kWinAttributes: {
            final BitSet attributesDefined = readAllOrBits(header, files.length);
            final int external = header.readUnsignedByte();
            if (external != 0) {
                throw new IOException("Unimplemented");
            }
            for (int i = 0; i < files.length; i++) {
                files[i].setHasWindowsAttributes(attributesDefined.get(i));
                if (files[i].getHasWindowsAttributes()) {
                    files[i].setWindowsAttributes(Integer.reverseBytes(header.readInt()));
                }
            }
            break;
        }
        case NID.kStartPos: {
            throw new IOException("kStartPos is unsupported, please report");
        }
        case NID.kDummy: {
            // 7z 9.20 asserts the content is all zeros and ignores the property
            // Compress up to 1.8.1 would throw an exception, now we ignore it (see COMPRESS-287

            if (skipBytesFully(header, size) < size) {
                throw new IOException("Incomplete kDummy property");
            }
            break;
        }

        default: {
            // Compress up to 1.8.1 would throw an exception, now we ignore it (see COMPRESS-287
            if (skipBytesFully(header, size) < size) {
                throw new IOException("Incomplete property of type " + propertyType);
            }
            break;
        }
        }
    }
    int nonEmptyFileCounter = 0;
    int emptyFileCounter = 0;
    for (int i = 0; i < files.length; i++) {
        files[i].setHasStream(isEmptyStream == null ? true : !isEmptyStream.get(i));
        if (files[i].hasStream()) {
            files[i].setDirectory(false);
            files[i].setAntiItem(false);
            files[i].setHasCrc(archive.subStreamsInfo.hasCrc.get(nonEmptyFileCounter));
            files[i].setCrcValue(archive.subStreamsInfo.crcs[nonEmptyFileCounter]);
            files[i].setSize(archive.subStreamsInfo.unpackSizes[nonEmptyFileCounter]);
            ++nonEmptyFileCounter;
        } else {
            files[i].setDirectory(isEmptyFile == null ? true : !isEmptyFile.get(emptyFileCounter));
            files[i].setAntiItem(isAnti == null ? false : isAnti.get(emptyFileCounter));
            files[i].setHasCrc(false);
            files[i].setSize(0);

            ++emptyFileCounter;
        }
    }
    archive.files = files;
    calculateStreamMap(archive);
}

---

From source file:srebrinb.compress.sevenzip.SevenZFile.java

private void readFilesInfo(final ByteBuffer header, final Archive archive) throws IOException {
    final long numFiles = readUint64(header);
    final SevenZArchiveEntry[] files = new SevenZArchiveEntry[(int) numFiles];
    for (int i = 0; i < files.length; i++) {
        files[i] = new SevenZArchiveEntry();
    }//from   w w w.j a  v a2s . c  om
    BitSet isEmptyStream = null;
    BitSet isEmptyFile = null;
    BitSet isAnti = null;
    while (true) {
        final int propertyType = getUnsignedByte(header);
        if (propertyType == 0) {
            break;
        }
        final long size = readUint64(header);
        switch (propertyType) {
        case NID.kEmptyStream: {
            isEmptyStream = readBits(header, files.length);
            break;
        }
        case NID.kEmptyFile: {
            if (isEmptyStream == null) { // protect against NPE
                throw new IOException("Header format error: kEmptyStream must appear before kEmptyFile");
            }
            isEmptyFile = readBits(header, isEmptyStream.cardinality());
            break;
        }
        case NID.kAnti: {
            if (isEmptyStream == null) { // protect against NPE
                throw new IOException("Header format error: kEmptyStream must appear before kAnti");
            }
            isAnti = readBits(header, isEmptyStream.cardinality());
            break;
        }
        case NID.kName: {
            final int external = getUnsignedByte(header);
            if (external != 0) {
                throw new IOException("Not implemented");
            }
            if (((size - 1) & 1) != 0) {
                throw new IOException("File names length invalid");
            }
            final byte[] names = new byte[(int) (size - 1)];
            header.get(names);
            int nextFile = 0;
            int nextName = 0;
            for (int i = 0; i < names.length; i += 2) {
                if (names[i] == 0 && names[i + 1] == 0) {
                    files[nextFile++].setName(new String(names, nextName, i - nextName, CharsetNames.UTF_16LE));
                    nextName = i + 2;
                }
            }
            if (nextName != names.length || nextFile != files.length) {
                throw new IOException("Error parsing file names");
            }
            break;
        }
        case NID.kCTime: {
            final BitSet timesDefined = readAllOrBits(header, files.length);
            final int external = getUnsignedByte(header);
            if (external != 0) {
                throw new IOException("Unimplemented");
            }
            for (int i = 0; i < files.length; i++) {
                files[i].setHasCreationDate(timesDefined.get(i));
                if (files[i].getHasCreationDate()) {
                    files[i].setCreationDate(header.getLong());
                }
            }
            break;
        }
        case NID.kATime: {
            final BitSet timesDefined = readAllOrBits(header, files.length);
            final int external = getUnsignedByte(header);
            if (external != 0) {
                throw new IOException("Unimplemented");
            }
            for (int i = 0; i < files.length; i++) {
                files[i].setHasAccessDate(timesDefined.get(i));
                if (files[i].getHasAccessDate()) {
                    files[i].setAccessDate(header.getLong());
                }
            }
            break;
        }
        case NID.kMTime: {
            final BitSet timesDefined = readAllOrBits(header, files.length);
            final int external = getUnsignedByte(header);
            if (external != 0) {
                throw new IOException("Unimplemented");
            }
            for (int i = 0; i < files.length; i++) {
                files[i].setHasLastModifiedDate(timesDefined.get(i));
                if (files[i].getHasLastModifiedDate()) {
                    files[i].setLastModifiedDate(header.getLong());
                }
            }
            break;
        }
        case NID.kWinAttributes: {
            final BitSet attributesDefined = readAllOrBits(header, files.length);
            final int external = getUnsignedByte(header);
            if (external != 0) {
                throw new IOException("Unimplemented");
            }
            for (int i = 0; i < files.length; i++) {
                files[i].setHasWindowsAttributes(attributesDefined.get(i));
                if (files[i].getHasWindowsAttributes()) {
                    files[i].setWindowsAttributes(header.getInt());
                }
            }
            break;
        }
        case NID.kStartPos: {
            throw new IOException("kStartPos is unsupported, please report");
        }
        case NID.kDummy: {
            // 7z 9.20 asserts the content is all zeros and ignores the property
            // Compress up to 1.8.1 would throw an exception, now we ignore it (see COMPRESS-287

            if (skipBytesFully(header, size) < size) {
                throw new IOException("Incomplete kDummy property");
            }
            break;
        }

        default: {
            // Compress up to 1.8.1 would throw an exception, now we ignore it (see COMPRESS-287
            if (skipBytesFully(header, size) < size) {
                throw new IOException("Incomplete property of type " + propertyType);
            }
            break;
        }
        }
    }
    int nonEmptyFileCounter = 0;
    int emptyFileCounter = 0;
    for (int i = 0; i < files.length; i++) {
        files[i].setHasStream(isEmptyStream == null ? true : !isEmptyStream.get(i));
        if (files[i].hasStream()) {
            files[i].setDirectory(false);
            files[i].setAntiItem(false);
            files[i].setHasCrc(archive.subStreamsInfo.hasCrc.get(nonEmptyFileCounter));
            files[i].setCrcValue(archive.subStreamsInfo.crcs[nonEmptyFileCounter]);
            files[i].setSize(archive.subStreamsInfo.unpackSizes[nonEmptyFileCounter]);
            ++nonEmptyFileCounter;
        } else {
            files[i].setDirectory(isEmptyFile == null ? true : !isEmptyFile.get(emptyFileCounter));
            files[i].setAntiItem(isAnti == null ? false : isAnti.get(emptyFileCounter));
            files[i].setHasCrc(false);
            files[i].setSize(0);
            ++emptyFileCounter;
        }
    }
    archive.files = files;
    calculateStreamMap(archive);
}

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