Java Archive类代码示例

import com.github.junrar.Archive; //导入依赖的package包/类
public RarredFile(File f) {
	this.f = f;
	setLastModified(f.lastModified());

	try {
		rarFile = new Archive(f);
		List<FileHeader> headers = rarFile.getFileHeaders();

		for (FileHeader fh : headers) {
			// if (fh.getFullUnpackSize() < MAX_ARCHIVE_ENTRY_SIZE && fh.getFullPackSize() < MAX_ARCHIVE_ENTRY_SIZE)
			addChild(new RarredEntry(fh.getFileNameString(), f, fh.getFileNameString(), fh.getFullUnpackSize()));
		}

		rarFile.close();
	} catch (RarException | IOException e) {
		LOGGER.error(null, e);
	}
}
 

import com.github.junrar.Archive; //导入依赖的package包/类
@Override
public void parse(File file) throws IOException {
    try {
        mArchive = new Archive(file);
    }
    catch (RarException e) {
        throw new IOException("unable to open archive");
    }

    FileHeader header = mArchive.nextFileHeader();
    while (header != null) {
        if (!header.isDirectory()) {
            String name = getName(header);
            if (Utils.isImage(name)) {
                mHeaders.add(header);
            }
        }

        header = mArchive.nextFileHeader();
    }

    Collections.sort(mHeaders, new NaturalOrderComparator() {
        @Override
        public String stringValue(Object o) {
            return getName((FileHeader) o);
        }
    });
}
 

import com.github.junrar.Archive; //导入依赖的package包/类
private boolean init(){
	if (!rarFileName.toLowerCase().endsWith(".rar")) {
		logger.error("not rar file, fileName:{}!", rarFileName);
		return false;
	}

	try {
		archive = new Archive(new File(rarFileName));
	} catch(Exception e){
		logger.error("", e);
		return false;
	}
	getNextBuffer();
	
	return true;
}
 

import com.github.junrar.Archive; //导入依赖的package包/类
/**
 * Extract information regarding the CBR format
 * 
 * @param result
 *            path information about the file
 * @return more information regarding the file including the page numbers
 *         and size
 * @throws RarException
 * @throws IOException
 */
public ComicBook openRarAddMetadata(ComicBook result) throws RarException, IOException {
	int numberOfPages = 0;
	Archive rar = new Archive(new File(result.getFileSystempath()));
	FileHeader fileHeader = rar.nextFileHeader();
	while (fileHeader != null) {
		if (!fileHeader.isDirectory()) {
			//name = fileHeader.getFileNameString();
			if (fileHeader.getFileNameString().contains(".jpg")) {
				numberOfPages++;
			}
		}
		fileHeader = rar.nextFileHeader();
	}
	result.setNumberOfPages(numberOfPages);
	//TODO: Add more metadata from file if there is one
	rar.close();
	return result;
}
 

import com.github.junrar.Archive; //导入依赖的package包/类
public ZipExtractTask(Archive rar, String outputDir, Activity zipViewer, String fileName,boolean zip,FileHeader fileHeader) {
    this.zip=zip;
    this.outputDir = outputDir;
    this.rar = rar;
    this.zipViewer = zipViewer;
    this.fileName = fileName;
    this.header = fileHeader;
}
 

import com.github.junrar.Archive; //导入依赖的package包/类
private void unzipRAREntry(Archive zipfile, FileHeader header, String outputDir)
        throws IOException, RarException {

     output = new File(outputDir + "/" + header.getFileNameString().trim());
    FileOutputStream fileOutputStream = new FileOutputStream(output);
    zipfile.extractFile(header, fileOutputStream);
}
 

import com.github.junrar.Archive; //导入依赖的package包/类
@Override
protected ArrayList<CompressedObjectParcelable> doInBackground(Void... params) {
    ArrayList<CompressedObjectParcelable> elements = new ArrayList<>();

    try {
        if (createBackItem) {
            elements.add(0, new CompressedObjectParcelable());
        }

        Archive zipfile = new Archive(new File(fileLocation));
        String relativeDirDiffSeparator = relativeDirectory.replace("/", "\\");

        for (FileHeader header : zipfile.getFileHeaders()) {
            String name = header.getFileNameString();//This uses \ as separator, not /
            boolean isInBaseDir = (relativeDirDiffSeparator == null || relativeDirDiffSeparator.equals("")) && !name.contains("\\");
            boolean isInRelativeDir = relativeDirDiffSeparator != null && name.contains("\\")
                    && name.substring(0, name.lastIndexOf("\\")).equals(relativeDirDiffSeparator);

            if (isInBaseDir || isInRelativeDir) {
                elements.add(new CompressedObjectParcelable(RarHelper.convertName(header), 0, header.getDataSize(), header.isDirectory()));
            }
        }
        Collections.sort(elements, new CompressedObjectParcelable.Sorter());
    } catch (RarException | IOException e) {
        e.printStackTrace();
    }

    return elements;
}
 

import com.github.junrar.Archive; //导入依赖的package包/类
private void unzipRAREntry(@NonNull final Context context, Archive zipFile, FileHeader entry, String outputDir)
        throws RarException, IOException {
    String name = entry.getFileNameString();
    name = name.replaceAll("\\\\", "/");
    if (entry.isDirectory()) {
        FileUtil.mkdir(new File(outputDir, name), context);
        return;
    }
    File outputFile = new File(outputDir, name);
    if (!outputFile.getParentFile().exists()) {
        FileUtil.mkdir(outputFile.getParentFile(), context);
    }
    //	Log.i("Amaze", "Extracting: " + entry);
    BufferedInputStream inputStream = new BufferedInputStream(
            zipFile.getInputStream(entry));
    BufferedOutputStream outputStream = new BufferedOutputStream(
            FileUtil.getOutputStream(outputFile, context, entry.getFullUnpackSize()));
    try {
        int len;
        byte buf[] = new byte[GenericCopyUtil.DEFAULT_BUFFER_SIZE];
        while ((len = inputStream.read(buf)) > 0) {

            outputStream.write(buf, 0, len);
            ServiceWatcherUtil.POSITION += len;
        }
    } finally {
        outputStream.close();
        inputStream.close();
    }
}
 

import com.github.junrar.Archive; //导入依赖的package包/类
@Override
protected boolean extractFile(Archive archive, FileHeader fileHeader, File destFile) throws IOException {
    final boolean success = super.extractFile(archive, fileHeader, destFile);
    if (success)
        listener.onNewItem(destFile);

    return success;
}
 

import com.github.junrar.Archive; //导入依赖的package包/类
protected boolean extractFile(Archive archive, FileHeader fileHeader, File destFile) throws IOException {
    final OutputStream out = new FileOutputStream(destFile);

    try {
        archive.extractFile(fileHeader, out);
        files.addHandled(fileHeader.getFileNameString());
        return true;
    }
    catch (RarException e) {
        throw new IOException(e);
    }
    finally {
        out.close();
    }
}
 

import com.github.junrar.Archive; //导入依赖的package包/类
@Override
public Volume nextArchive(Archive archive, Volume last)
		throws IOException {
	if (last == null)
		return new FileVolume(archive, firstVolume);

	FileVolume lastFileVolume = (FileVolume) last;
	boolean oldNumbering = !archive.getMainHeader().isNewNumbering()
			|| archive.isOldFormat();
	String nextName = VolumeHelper.nextVolumeName(lastFileVolume.getFile()
			.getAbsolutePath(), oldNumbering);
	File nextVolume = new File(nextName);

	return new FileVolume(archive, nextVolume);
}
 

import com.github.junrar.Archive; //导入依赖的package包/类
public static ArrayList<String> getAllImagesNamesFromFile(File file,
		File outputDir) {
	ArrayList<String> fileNames = new ArrayList<String>();
	try {
		Archive arch = new Archive(file);
		FileHeader fh = null;

		while (true) {
			fh = arch.nextFileHeader();
			if (fh == null) {
				break;
			}
			if ((fh != null)
					&& (!fh.isDirectory())
					&& (Utils.isSupportedFile(fh.getFileNameString(),
							AppConstant.IMAGE_EXTN))) {
				fileNames
						.add(outputDir.getAbsolutePath()
								+ File.separator
								+ Utils.absolutePathToString(fh
										.getFileNameString()));
			}
		}
		arch.close();
	} catch (Exception e) {
		Log.e("Decompress", "unrar", e);
	}
	Collections.sort(fileNames);
	return fileNames;
}
 

import com.github.junrar.Archive; //导入依赖的package包/类
private void unzipRAREntry(int id,String a, Archive zipfile, FileHeader entry, String outputDir)
        throws IOException, RarException {
    String name=entry.getFileNameString();
    name=name.replaceAll("\\\\","/");
    if (entry.isDirectory()) {
        createDir(new File(outputDir, name));
        return;
    }
    File outputFile = new File(outputDir, name);
    if (!outputFile.getParentFile().exists()) {
        createDir(outputFile.getParentFile());
    }
    //	Log.i("Amaze", "Extracting: " + entry);
    BufferedInputStream inputStream = new BufferedInputStream(
            zipfile.getInputStream(entry));
    BufferedOutputStream outputStream = new BufferedOutputStream(
            new FileOutputStream(outputFile));
    try {
        int len;
        byte buf[] = new byte[20480];
        while ((len = inputStream.read(buf)) > 0) {
            //System.out.println(id + " " + hash.get(id));
            if (hash.get(id)) {
                outputStream.write(buf, 0, len);
                copiedbytes=copiedbytes+len;
                int p=(int) ((copiedbytes / (float) totalbytes) * 100);
                if(p!=lastpercent || lastpercent==0){
                    publishResults(a,p,id,totalbytes,copiedbytes,false);
                    publishResults(true);
                }
                lastpercent=p;
            } else {
                publishResults(a,100,id,totalbytes,copiedbytes,true);
                publishResults(false);
                stopSelf(id);
            }
        }
    }finally {
        outputStream.close();
        inputStream.close();
    }
}
 

import com.github.junrar.Archive; //导入依赖的package包/类
/**
 * Read from compressed file
 * 
 * @param srcPath
 *            path of compressed file
 * @param fileCompressor
 *            FileCompressor object
 * @throws Exception
 */
@Override
public void read(String srcPath, FileCompressor fileCompressor)
        throws Exception {
    long t1 = System.currentTimeMillis();
    byte[] data = FileUtil.convertFileToByte(srcPath);
    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    Archive arch = new Archive(new File(srcPath));
    try {
        if (arch.isEncrypted()) {
            FileCompressor.LOGGER.error(fileCompressor.hashCode()
                    + " Archive is encrypted. Cannot read <" + srcPath
                    + ">");
            return;
        }
        FileHeader entry = null;
        while (true) {
            entry = arch.nextFileHeader();
            if (entry == null)
                break;
            if (entry.isDirectory()) {
                continue;
            }
            String name = entry.isUnicode() ? entry.getFileNameW() : entry
                    .getFileNameString();
            if (entry.isEncrypted()) {
                FileCompressor.LOGGER.error(fileCompressor.hashCode()
                        + " File is encrypted. Cannot read <" + name + ">");
                continue;
            }
            long t2 = System.currentTimeMillis();
            baos = new ByteArrayOutputStream();
            arch.extractFile(entry, baos);
            BinaryFile binaryFile = new BinaryFile(name, baos.toByteArray());
            fileCompressor.addBinaryFile(binaryFile);
            LogUtil.createAddFileLog(fileCompressor, binaryFile, t2,
                    System.currentTimeMillis());
        }
    } catch (Exception e) {
        FileCompressor.LOGGER.error("Error on get compressor file", e);
    } finally {
        arch.close();
        baos.close();
    }
    LogUtil.createReadLog(fileCompressor, srcPath, data.length, t1,
            System.currentTimeMillis());
}
 

import com.github.junrar.Archive; //导入依赖的package包/类
@Override
public void handleFile(String relativePath, File file) throws IOException {
	try {
		final Archive archive = new Archive(file);

		int handled = 0;

		final List<FileHeader> fileHeaders = archive.getFileHeaders();
		for (FileHeader fileHeader : fileHeaders) {
               if (!this.acceptContainedFile(fileHeader))
                   continue;

               final String path = PATH_NORMALISATION_REGEX.matcher(fileHeader.getFileNameString()).replaceAll(File.separator);
               final File destFile = this.getDestinationFile(path);

			if (LOG.isDebugEnabled())
				LOG.debug("Extracting {} to {}", fileHeader.getFileNameString(), destFile.getAbsoluteFile());

			// Make the parent directory if required
			final File destDir = destFile.getParentFile();
			if (!destDir.exists())
				destDir.mkdirs();

               if (this.extractFile(archive, fileHeader, destFile))
                   handled++;
		}

		if (handled < 1)
			throw new IOException("Skipping rar file with no handleable contents: " + file.getName());

           if (delete) {
               if (LOG.isDebugEnabled())
                   LOG.debug("Deleting archive {} after extracting {} files", file.getName(), handled);

               // Delete the .rar
               file.delete();

               // Delete any related .r00 parts
               final String filename = DownloadDirManager.getFileName(file.getName());
               final Pattern pattern = Pattern.compile(Pattern.quote(filename) + "\\.(r\\d+)", Pattern.CASE_INSENSITIVE);
               for (File part : file.getParentFile().listFiles()) {
                   // Only delete files that are related rars
                   if (!pattern.matcher(part.getName()).matches())
                       continue;

                   if (LOG.isTraceEnabled())
                       LOG.trace("Deleting archive part {} after extracting files", part.getName());

                   part.delete();
               }
           }
	}
	catch (RarException e) {
		throw new IOException(e);
	}
}