org.apache.poi.openxml4j.opc.internal.ZipHelper类的使用及代码示例

x33g5p2x  于2022-02-05 转载在 其他  
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本文整理了Java中org.apache.poi.openxml4j.opc.internal.ZipHelper类的一些代码示例，展示了ZipHelper类的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。ZipHelper类的具体详情如下：
包路径：org.apache.poi.openxml4j.opc.internal.ZipHelper
类名称：ZipHelper

ZipHelper介绍

暂无

代码示例

代码示例来源：origin: org.apache.poi/poi-ooxml

@Override
  public boolean marshall(PackagePart part, OutputStream out)
      throws OpenXML4JException {
    if (!(out instanceof ZipArchiveOutputStream)) {
      throw new IllegalArgumentException("ZipOutputStream expected!");
    }
    ZipArchiveOutputStream zos = (ZipArchiveOutputStream) out;

    // Saving the part in the zip file
    ZipArchiveEntry ctEntry = new ZipArchiveEntry(ZipHelper
        .getZipItemNameFromOPCName(part.getPartName().getURI()
            .toString()));
    try {
      // Save in ZIP
      zos.putArchiveEntry(ctEntry); // Add entry in ZIP
      try {
        super.marshall(part, out); // Marshall the properties inside a XML
        // Document
        return StreamHelper.saveXmlInStream(xmlDoc, out);
      } finally {
        zos.closeArchiveEntry();
      }
    } catch (IOException e) {
      throw new OpenXML4JException(e.getLocalizedMessage(), e);
    }
  }
}

代码示例来源：origin: org.apache.poi/poi-ooxml

/**
   * Retrieve and open as a secure zip file with the specified path.
   *
   * @param path
   *            The file path.
   * @return The zip archive freshly open.
   */
  public static ZipSecureFile openZipFile(String path) throws IOException {
    return openZipFile(new File(path));
  }
}

代码示例来源：origin: org.apache.poi/poi-ooxml

EntryTriple(final ZipArchiveEntry zipArchiveEntry, final ContentTypeManager contentTypeManager) {
  this.zipArchiveEntry = zipArchiveEntry;
  final String entryName = zipArchiveEntry.getName();
  PackagePartName ppn = null;
  try {
    // We get an error when we parse [Content_Types].xml
    // because it's not a valid URI.
    ppn = (CONTENT_TYPES_PART_NAME.equalsIgnoreCase(entryName)) ? null
      : PackagingURIHelper.createPartName(ZipHelper.getOPCNameFromZipItemName(entryName));
  } catch (Exception e) {
    // We assume we can continue, even in degraded mode ...
    LOG.log(POILogger.WARN,"Entry " + entryName + " is not valid, so this part won't be add to the package.", e);
  }
  this.partName = ppn;
  this.contentType = (ppn == null) ? null : contentTypeManager.getContentType(partName);
}

代码示例来源：origin: org.apache.poi/poi-ooxml

.getCorePropertiesZipEntry((ZipPackage) context
        .getPackage());
in = ((ZipPackage) context.getPackage()).getZipArchive()

代码示例来源：origin: org.apache.poi/poi-ooxml

ZipArchiveEntry ctEntry = new ZipArchiveEntry(ZipHelper.getZipURIFromOPCName(
    relPartName.getURI().toASCIIString()).getPath());
try {

代码示例来源：origin: org.apache.poi/poi-ooxml

/**
 * Opens the specified file as a secure zip, or returns null if no 
 *  such file exists
 *
 * @param file
 *            The file to open.
 * @return The zip archive freshly open.
 * @throws IOException if the zip file cannot be opened or closed to read the header signature
 * @throws NotOfficeXmlFileException if stream does not start with zip header signature
 */
public static ZipSecureFile openZipFile(File file) throws IOException, NotOfficeXmlFileException {
  if (!file.exists()) {
    throw new FileNotFoundException("File does not exist");
  }
  if (file.isDirectory()) {
    throw new IOException("File is a directory");
  }
  
  // Peek at the first few bytes to sanity check
  try (FileInputStream input = new FileInputStream(file)) {
    verifyZipHeader(input);
  }
  // Open as a proper zip file
  return new ZipSecureFile(file);
}

代码示例来源：origin: org.apache.poi/poi-ooxml

/**
 * Constructor. Opens a Zip based Open XML document from
 *  an InputStream.
 *
 * @param in
 *            Zip input stream to load.
 * @param access
 *            The package access mode.
 * @throws IllegalArgumentException
 *             If the specified input stream not an instance of
 *             ZipInputStream.
 * @throws IOException
 *            if input stream cannot be opened, read, or closed
 */
ZipPackage(InputStream in, PackageAccess access) throws IOException {
  super(access);
  ZipArchiveThresholdInputStream zis = ZipHelper.openZipStream(in); // NOSONAR
  try {
    this.zipArchive = new ZipInputStreamZipEntrySource(zis);
  } catch (final IOException e) {
    IOUtils.closeQuietly(zis);
    throw e;
  }
}

代码示例来源：origin: org.openl.rules/org.openl.lib.poi.dev

.getCorePropertiesZipEntry((ZipPackage) context
        .getPackage());
in = ((ZipPackage) context.getPackage()).getZipArchive()

代码示例来源：origin: org.apache.servicemix.bundles/org.apache.servicemix.bundles.poi

ZipArchiveEntry ctEntry = new ZipArchiveEntry(ZipHelper.getZipURIFromOPCName(
    relPartName.getURI().toASCIIString()).getPath());
try {

代码示例来源：origin: org.apache.poi/poi-ooxml

/**
 * Opens the specified stream as a secure zip
 *
 * @param stream
 *            The stream to open.
 * @return The zip stream freshly open.
 */
@SuppressWarnings("resource")
public static ZipArchiveThresholdInputStream openZipStream(InputStream stream) throws IOException {
  // Peek at the first few bytes to sanity check
  InputStream checkedStream = FileMagic.prepareToCheckMagic(stream);
  verifyZipHeader(checkedStream);
  
  // Open as a proper zip stream
  return new ZipArchiveThresholdInputStream(new ZipArchiveInputStream(checkedStream));
}

代码示例来源：origin: org.apache.poi/poi-ooxml

private static ZipEntrySource openZipEntrySourceStream(FileInputStream fis) throws InvalidOperationException {
  final ZipArchiveThresholdInputStream zis;
  // Acquire a resource that is needed to read the next level of openZipEntrySourceStream
  try {
    // open the zip input stream
    zis = ZipHelper.openZipStream(fis); // NOSONAR
  } catch (final IOException e) {
    // If the source cannot be acquired, abort (no resources to free at this level)
    throw new InvalidOperationException("Could not open the file input stream", e);
  }
  
  // If an error occurs while reading the next level of openZipEntrySourceStream, free the acquired resource
  try {
    // read from the zip input stream
    return openZipEntrySourceStream(zis);
  } catch (final InvalidOperationException|UnsupportedFileFormatException e) {
    // abort: close the zip input stream
    IOUtils.closeQuietly(zis);
    throw e;
  } catch (final Exception e) {
    // abort: close the zip input stream
    IOUtils.closeQuietly(zis);
    throw new InvalidOperationException("Failed to read the zip entry source stream", e);
  }
}

代码示例来源：origin: org.apache.poi/poi-ooxml

.getZipItemNameFromOPCName(part.getPartName().getURI()
        .getPath()));
try {

代码示例来源：origin: org.apache.poi/poi-ooxml

/**
 * Constructor. Opens a Zip based Open XML document from a File.
 *
 * @param file
 *            The file to open or create.
 * @param access
 *            The package access mode.
 * @throws InvalidOperationException If the zip file cannot be opened.
 */
ZipPackage(File file, PackageAccess access) throws InvalidOperationException {
  super(access);
  ZipEntrySource ze;
  try {
    final ZipFile zipFile = ZipHelper.openZipFile(file); // NOSONAR
    ze = new ZipFileZipEntrySource(zipFile);
  } catch (IOException e) {
    // probably not happening with write access - not sure how to handle the default read-write access ...
    if (access == PackageAccess.WRITE) {
      throw new InvalidOperationException("Can't open the specified file: '" + file + "'", e);
    }
    if ("java.util.zip.ZipException: archive is not a ZIP archive".equals(e.getMessage())) {
      throw new NotOfficeXmlFileException("archive is not a ZIP archive", e);
    }
    LOG.log(POILogger.ERROR, "Error in zip file "+file+" - falling back to stream processing (i.e. ignoring zip central directory)");
    ze = openZipEntrySourceStream(file);
  }
  this.zipArchive = ze;
}

代码示例来源：origin: org.openl.rules/org.openl.lib.poi.dev

/**
 * Builds a PackagePartName for the given ZipEntry,
 *  or null if it's the content types / invalid part
 */
private PackagePartName buildPartName(ZipEntry entry) {
  try {
    // We get an error when we parse [Content_Types].xml
    // because it's not a valid URI.
    if (entry.getName().equalsIgnoreCase(
        ContentTypeManager.CONTENT_TYPES_PART_NAME)) {
      return null;
    }
    return PackagingURIHelper.createPartName(ZipHelper
        .getOPCNameFromZipItemName(entry.getName()));
  } catch (Exception e) {
    // We assume we can continue, even in degraded mode ...
    logger.log(POILogger.WARN,"Entry "
            + entry.getName()
            + " is not valid, so this part won't be add to the package.", e);
    return null;
  }
}

代码示例来源：origin: org.apache.servicemix.bundles/org.apache.servicemix.bundles.poi

.getCorePropertiesZipEntry((ZipPackage) context
        .getPackage());
in = ((ZipPackage) context.getPackage()).getZipArchive()

代码示例来源：origin: org.openl.rules/org.openl.lib.poi.dev

ZipEntry ctEntry = new ZipEntry(ZipHelper.getZipURIFromOPCName(
    relPartName.getURI().toASCIIString()).getPath());
try {

代码示例来源：origin: org.apache.servicemix.bundles/org.apache.servicemix.bundles.poi

/**
 * Opens the specified file as a secure zip, or returns null if no 
 *  such file exists
 *
 * @param file
 *            The file to open.
 * @return The zip archive freshly open.
 * @throws IOException if the zip file cannot be opened or closed to read the header signature
 * @throws NotOfficeXmlFileException if stream does not start with zip header signature
 */
public static ZipSecureFile openZipFile(File file) throws IOException, NotOfficeXmlFileException {
  if (!file.exists()) {
    throw new FileNotFoundException("File does not exist");
  }
  if (file.isDirectory()) {
    throw new IOException("File is a directory");
  }
  
  // Peek at the first few bytes to sanity check
  try (FileInputStream input = new FileInputStream(file)) {
    verifyZipHeader(input);
  }
  // Open as a proper zip file
  return new ZipSecureFile(file);
}

代码示例来源：origin: org.apache.servicemix.bundles/org.apache.servicemix.bundles.poi

/**
 * Constructor. Opens a Zip based Open XML document from
 *  an InputStream.
 *
 * @param in
 *            Zip input stream to load.
 * @param access
 *            The package access mode.
 * @throws IllegalArgumentException
 *             If the specified input stream not an instance of
 *             ZipInputStream.
 * @throws IOException
 *            if input stream cannot be opened, read, or closed
 */
ZipPackage(InputStream in, PackageAccess access) throws IOException {
  super(access);
  ZipArchiveThresholdInputStream zis = ZipHelper.openZipStream(in); // NOSONAR
  try {
    this.zipArchive = new ZipInputStreamZipEntrySource(zis);
  } catch (final IOException e) {
    IOUtils.closeQuietly(zis);
    throw e;
  }
}

代码示例来源：origin: org.apache.poi/poi-ooxml

LOG.log(POILogger.DEBUG,"Save part '" + ZipHelper.getZipItemNameFromOPCName(ppn.getName()) + "'");
final PartMarshaller marshaller = partMarshallers.get(part._contentType);

代码示例来源：origin: org.apache.servicemix.bundles/org.apache.servicemix.bundles.poi

/**
   * Retrieve and open as a secure zip file with the specified path.
   *
   * @param path
   *            The file path.
   * @return The zip archive freshly open.
   */
  public static ZipSecureFile openZipFile(String path) throws IOException {
    return openZipFile(new File(path));
  }
}

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