Java Code Examples for net.lingala.zip4j.model.FileHeader#getDiskNumberStart()
The following examples show how to use
net.lingala.zip4j.model.FileHeader#getDiskNumberStart() .
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Example 1
Source File: MergeSplitZipFileTask.java From zip4j with Apache License 2.0 | 5 votes |
private void updateFileHeaderOffsetsForIndex(List<FileHeader> fileHeaders, long offsetToAdd, int index, int splitSignatureOverhead) { for (FileHeader fileHeader : fileHeaders) { if (fileHeader.getDiskNumberStart() == index) { fileHeader.setOffsetLocalHeader(fileHeader.getOffsetLocalHeader() + offsetToAdd - splitSignatureOverhead); fileHeader.setDiskNumberStart(0); } } }
Example 2
Source File: HeaderWriter.java From zip4j with Apache License 2.0 | 5 votes |
public void updateLocalFileHeader(FileHeader fileHeader, ZipModel zipModel, SplitOutputStream outputStream) throws IOException { if (fileHeader == null || zipModel == null) { throw new ZipException("invalid input parameters, cannot update local file header"); } boolean closeFlag = false; SplitOutputStream currOutputStream; if (fileHeader.getDiskNumberStart() != outputStream.getCurrentSplitFileCounter()) { String parentFile = zipModel.getZipFile().getParent(); String fileNameWithoutExt = getZipFileNameWithoutExtension(zipModel.getZipFile().getName()); String fileName = parentFile + System.getProperty("file.separator"); if (fileHeader.getDiskNumberStart() < 9) { fileName += fileNameWithoutExt + ".z0" + (fileHeader.getDiskNumberStart() + 1); } else { fileName += fileNameWithoutExt + ".z" + (fileHeader.getDiskNumberStart() + 1); } currOutputStream = new SplitOutputStream(new File(fileName)); closeFlag = true; } else { currOutputStream = outputStream; } long currOffset = currOutputStream.getFilePointer(); currOutputStream.seek(fileHeader.getOffsetLocalHeader() + InternalZipConstants.UPDATE_LFH_CRC); rawIO.writeLongLittleEndian(longBuff, 0, fileHeader.getCrc()); currOutputStream.write(longBuff, 0, 4); updateFileSizesInLocalFileHeader(currOutputStream, fileHeader); if (closeFlag) { currOutputStream.close(); } else { outputStream.seek(currOffset); } }
Example 3
Source File: HeaderWriter.java From zip4j with Apache License 2.0 | 5 votes |
private long countNumberOfFileHeaderEntriesOnDisk(List<FileHeader> fileHeaders, int numOfDisk) throws ZipException { if (fileHeaders == null) { throw new ZipException("file headers are null, cannot calculate number of entries on this disk"); } int noEntries = 0; for (FileHeader fileHeader : fileHeaders) { if (fileHeader.getDiskNumberStart() == numOfDisk) { noEntries++; } } return noEntries; }
Example 4
Source File: SplitInputStream.java From zip4j with Apache License 2.0 | 5 votes |
public void prepareExtractionForFileHeader(FileHeader fileHeader) throws IOException { if (isSplitZipArchive && (currentSplitFileCounter != fileHeader.getDiskNumberStart())) { openRandomAccessFileForIndex(fileHeader.getDiskNumberStart()); currentSplitFileCounter = fileHeader.getDiskNumberStart(); } randomAccessFile.seek(fileHeader.getOffsetLocalHeader()); }
Example 5
Source File: HeaderWriter.java From AndroidZip with Apache License 2.0 | 5 votes |
private int countNumberOfFileHeaderEntriesOnDisk(ArrayList fileHeaders, int numOfDisk) throws ZipException { if (fileHeaders == null) { throw new ZipException("file headers are null, cannot calculate number of entries on this disk"); } int noEntries = 0; for (int i = 0; i < fileHeaders.size(); i++) { FileHeader fileHeader = (FileHeader)fileHeaders.get(i); if (fileHeader.getDiskNumberStart() == numOfDisk) { noEntries++; } } return noEntries; }
Example 6
Source File: HeaderWriter.java From zip4j with Apache License 2.0 | 4 votes |
private boolean isZip64Entry(FileHeader fileHeader) { return fileHeader.getCompressedSize() >= ZIP_64_SIZE_LIMIT || fileHeader.getUncompressedSize() >= ZIP_64_SIZE_LIMIT || fileHeader.getOffsetLocalHeader() >= ZIP_64_SIZE_LIMIT || fileHeader.getDiskNumberStart() >= ZIP_64_NUMBER_OF_ENTRIES_LIMIT; }