java.util.zip.ZipEntry.getExtra()方法的使用及代码示例

x33g5p2x  于2022-02-05 转载在 其他  
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本文整理了Java中java.util.zip.ZipEntry.getExtra()方法的一些代码示例，展示了ZipEntry.getExtra()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。ZipEntry.getExtra()方法的具体详情如下：
包路径：java.util.zip.ZipEntry
类名称：ZipEntry
方法名：getExtra

ZipEntry.getExtra介绍

[英]Gets the extra information for this ZipEntry.
[中]获取此ZipEntry的额外信息。

代码示例

代码示例来源：origin: robolectric/robolectric

long guessOffsetFor(ZipFile zipFile, ZipEntry zipEntry) {
 Enumeration<? extends ZipEntry> zipEntries = zipFile.entries();
 long offset = 0;
 while (zipEntries.hasMoreElements())
 {
  ZipEntry entry = zipEntries.nextElement();
  long fileSize = 0;
  long extra = entry.getExtra() == null ? 0 : entry.getExtra().length;
  offset += 30 + entry.getName().length() + extra;
  if (entry.getName().equals(zipEntry.getName())) {
   return offset;
  }
  if(!entry.isDirectory())
  {
   fileSize = entry.getCompressedSize();
   // Do stuff here with fileSize & offset
  }
  offset += fileSize;
 }
 throw new IllegalStateException("'" + zipEntry.getName() + "' not found");
}
/*

代码示例来源：origin: spotbugs/spotbugs

public ZipEntry newZipEntry(ZipEntry ze) {
  ZipEntry ze2 = new ZipEntry(ze.getName());
  ze2.setComment(ze.getComment());
  ze2.setTime(ze.getTime());
  ze2.setExtra(ze.getExtra());
  return ze2;
}

代码示例来源：origin: zeroturnaround/zt-zip

/**
 * Copy entry with another name.
 *
 * @param original - zipEntry to copy
 * @param newName - new entry name, optional, if null, ogirinal's entry
 * @return copy of the original entry, but with the given name
 */
static ZipEntry copy(ZipEntry original, String newName) {
 ZipEntry copy = new ZipEntry(newName == null ? original.getName() : newName);
 if (original.getCrc() != -1) {
  copy.setCrc(original.getCrc());
 }
 if (original.getMethod() != -1) {
  copy.setMethod(original.getMethod());
 }
 if (original.getSize() >= 0) {
  copy.setSize(original.getSize());
 }
 if (original.getExtra() != null) {
  copy.setExtra(original.getExtra());
 }
 copy.setComment(original.getComment());
 copy.setTime(original.getTime());
 return copy;
}

代码示例来源：origin: org.apache.ant/ant

outputEntry.setExtra(inputEntry.getExtra());
outputEntry.setComment(inputEntry.getComment());
outputEntry.setTime(inputEntry.getTime());

代码示例来源：origin: org.apache.ant/ant

/**
 * Creates a new zip entry with fields taken from the specified zip entry.
 *
 * <p>Assumes the entry represents a directory if and only if the
 * name ends with a forward slash "/".</p>
 *
 * @param entry the entry to get fields from
 * @since 1.1
 * @throws ZipException on error
 */
public ZipEntry(final java.util.zip.ZipEntry entry) throws ZipException {
  super(entry);
  setName(entry.getName());
  final byte[] extra = entry.getExtra();
  if (extra != null) {
    setExtraFields(ExtraFieldUtils.parse(extra, true,
        ExtraFieldUtils.UnparseableExtraField.READ));
  } else {
    // initializes extra data to an empty byte array
    setExtra();
  }
  setMethod(entry.getMethod());
  this.size = entry.getSize();
}

代码示例来源：origin: org.apache.commons/commons-compress

/**
 * Creates a new zip entry with fields taken from the specified zip entry.
 *
 * <p>Assumes the entry represents a directory if and only if the
 * name ends with a forward slash "/".</p>
 *
 * @param entry the entry to get fields from
 * @throws ZipException on error
 */
public ZipArchiveEntry(final java.util.zip.ZipEntry entry) throws ZipException {
  super(entry);
  setName(entry.getName());
  final byte[] extra = entry.getExtra();
  if (extra != null) {
    setExtraFields(ExtraFieldUtils.parse(extra, true,
                       ExtraFieldUtils
                       .UnparseableExtraField.READ));
  } else {
    // initializes extra data to an empty byte array
    setExtra();
  }
  setMethod(entry.getMethod());
  this.size = entry.getSize();
}

代码示例来源：origin: alibaba/mdrill

/**
 * Creates a new zip entry with fields taken from the specified zip entry.
 *
 * <p>Assumes the entry represents a directory if and only if the
 * name ends with a forward slash "/".</p>
 *
 * @param entry the entry to get fields from
 * @since 1.1
 * @throws ZipException on error
 */
public ZipEntry(java.util.zip.ZipEntry entry) throws ZipException {
  super(entry);
  setName(entry.getName());
  byte[] extra = entry.getExtra();
  if (extra != null) {
    setExtraFields(ExtraFieldUtils.parse(extra, true,
                       ExtraFieldUtils
                       .UnparseableExtraField.READ));
  } else {
    // initializes extra data to an empty byte array
    setExtra();
  }
  setMethod(entry.getMethod());
  this.size = entry.getSize();
}

代码示例来源：origin: zeroturnaround/zt-zip

/**
 * Add file permissions info to ZIP entry.
 * Current implementation adds "ASi Unix" (tag 0x756e) extra block to entry.
 * 
 * @param zipEntry ZIP entry
 * @param permissions permissions to assign
 */
static boolean setZTFilePermissions(ZipEntry zipEntry, ZTFilePermissions permissions) {
 try {
  List<ZipExtraField> fields = ExtraFieldUtils.parse(zipEntry.getExtra());
  AsiExtraField asiExtraField = getFirstAsiExtraField(fields);
  if (asiExtraField == null) {
   asiExtraField = new AsiExtraField();
   fields.add(asiExtraField);
  }
  asiExtraField.setDirectory(zipEntry.isDirectory());
  asiExtraField.setMode(ZTFilePermissionsUtil.toPosixFileMode(permissions));
  zipEntry.setExtra(ExtraFieldUtils.mergeLocalFileDataData(fields));
  return true;
 }
 catch (java.util.zip.ZipException ze) {
  return false;
 }
}

代码示例来源：origin: zeroturnaround/zt-zip

/**
 * Get assigned to ZIP entry file permissions info. Current implementation tries to read "ASi Unix" (tag 0x756e) extra tag.
 * "ASi Unix"
 * 
 * @param zipEntry
 * @return file permissions info or <code>null</code> if ZIP entry does not have "ASi Unix" extra field.
 */
static ZTFilePermissions getZTFilePermissions(ZipEntry zipEntry) {
 try {
  ZTFilePermissions permissions = null;
  List<ZipExtraField> fields = ExtraFieldUtils.parse(zipEntry.getExtra());
  AsiExtraField asiExtraField = getFirstAsiExtraField(fields);
  if (asiExtraField != null) {
   int mode = asiExtraField.getMode() & 0777;
   permissions = ZTFilePermissionsUtil.fromPosixFileMode(mode);
  }
  return permissions;
 }
 catch (java.util.zip.ZipException ze) {
  throw new ZipException(ze);
 }
}

代码示例来源：origin: org.gosu-lang.aardvark/aardvark-core

@Override
 public synchronized InputStream getInputStream(ZipEntry ze) throws IOException {
  return new ByteArrayInputStream(ze.getExtra());
 }
}

代码示例来源：origin: biz.aQute/bndlib

ZipResource(ZipFile zip, ZipEntry entry, long lastModified) throws UnsupportedEncodingException {
  this.zip = zip;
  this.entry = entry;
  this.lastModified = lastModified;
  byte[] data = entry.getExtra();
  if (data != null)
    this.extra = new String(data, "UTF-8");
}

代码示例来源：origin: biz.aQute.bnd/bndlib

ZipResource(ZipFile zip, ZipEntry entry) throws UnsupportedEncodingException {
  this.zip = zip;
  this.entry = entry;
  this.lastModified = -11L;
  byte[] data = entry.getExtra();
  if (data != null)
    this.extra = new String(data, "UTF-8");
}

代码示例来源：origin: biz.aQute.bnd/biz.aQute.bndlib

private ZipResource(ZipFile zip, ZipEntry entry, boolean closeZipFile) {
  this.zip = zip;
  this.entry = entry;
  this.closeZipFile = closeZipFile;
  lastModified = -11L;
  size = entry.getSize();
  byte[] data = entry.getExtra();
  if (data != null) {
    extra = new String(data, UTF_8);
  }
}

代码示例来源：origin: biz.aQute.bnd/biz.aQute.bnd

private ZipResource(ZipFile zip, ZipEntry entry, boolean closeZipFile) {
  this.zip = zip;
  this.entry = entry;
  this.closeZipFile = closeZipFile;
  lastModified = -11L;
  size = entry.getSize();
  byte[] data = entry.getExtra();
  if (data != null) {
    extra = new String(data, UTF_8);
  }
}

代码示例来源：origin: redfish64/TinyTravelTracker

protected void writeExtraBytes(ZipEntry entry) throws IOException {
  byte[] extraBytes = entry.getExtra();
  if (extraBytes != null) {
    writeBytes(extraBytes);
  }
}

代码示例来源：origin: org.nuxeo.ecm.core/nuxeo-core-io

private static int getFilesCount(ZipEntry entry) throws IOException {
  byte[] bytes = entry.getExtra();
  if (bytes == null) {
    return 0;
  } else if (bytes.length != 4) {
    throw new IOException("Invalid Nuxeo Archive");
  } else {
    return new DWord(bytes).getInt();
  }
}

代码示例来源：origin: org.glassfish.main.common/common-util

@Override
public Payload.Part next() {
  final Extra extra = new Extra(nextEntry.getExtra());
  final Payload.Part part = new ZipPayloadImpl.Part(
      nextEntry.getName(), 
      extra.getContentType(),
      extra.getProperties(),
      Inbound.this);
  isNextEntryPrefetched = false;
  return part;
}

代码示例来源：origin: com.google.code.findbugs/findbugs

public ZipEntry newZipEntry(ZipEntry ze) {
  ZipEntry ze2 = new ZipEntry(ze.getName());
  ze2.setComment(ze.getComment());
  ze2.setTime(ze.getTime());
  ze2.setExtra(ze.getExtra());
  return ze2;
}

代码示例来源：origin: org.odftoolkit/odfdom-java

private void validateMimeTypeEntry(ZipEntry mimetypeEntry, String firstEntryName) {
  if (mimetypeEntry.getMethod() != ZipEntry.STORED) {
    logValidationError(OdfPackageConstraint.MIMETYPE_IS_COMPRESSED, getBaseURI());
  }
  if (mimetypeEntry.getExtra() != null) {
    logValidationError(OdfPackageConstraint.MIMETYPE_HAS_EXTRA_FIELD, getBaseURI());
  }
  if (!OdfFile.MEDIA_TYPE.getPath().equals(firstEntryName)) {
    logValidationError(OdfPackageConstraint.MIMETYPE_NOT_FIRST_IN_PACKAGE, getBaseURI());
  }
}

代码示例来源：origin: org.apache.odftoolkit/odfdom-java

private void validateMimeTypeEntry(ZipEntry mimetypeEntry, String firstEntryName) throws SAXException {
  if (mimetypeEntry.getMethod() != ZipEntry.STORED) {
    logValidationError(OdfPackageConstraint.MIMETYPE_IS_COMPRESSED, getBaseURI());
  }
  if (mimetypeEntry.getExtra() != null) {
    logValidationError(OdfPackageConstraint.MIMETYPE_HAS_EXTRA_FIELD, getBaseURI());
  }
  if (!OdfFile.MEDIA_TYPE.getPath().equals(firstEntryName)) {
    logValidationError(OdfPackageConstraint.MIMETYPE_NOT_FIRST_IN_PACKAGE, getBaseURI());
  }
}

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