ZipArchiveEntry.java
- /*
- * Licensed to the Apache Software Foundation (ASF) under one or more
- * contributor license agreements. See the NOTICE file distributed with
- * this work for additional information regarding copyright ownership.
- * The ASF licenses this file to You under the Apache License, Version 2.0
- * (the "License"); you may not use this file except in compliance with
- * the License. You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
- package org.apache.commons.compress.archivers.zip;
- import java.io.File;
- import java.io.IOException;
- import java.nio.file.Files;
- import java.nio.file.LinkOption;
- import java.nio.file.Path;
- import java.nio.file.attribute.BasicFileAttributes;
- import java.nio.file.attribute.FileTime;
- import java.util.ArrayList;
- import java.util.Arrays;
- import java.util.Date;
- import java.util.LinkedList;
- import java.util.List;
- import java.util.NoSuchElementException;
- import java.util.Objects;
- import java.util.function.Function;
- import java.util.zip.ZipEntry;
- import java.util.zip.ZipException;
- import org.apache.commons.compress.archivers.ArchiveEntry;
- import org.apache.commons.compress.archivers.EntryStreamOffsets;
- import org.apache.commons.compress.utils.ByteUtils;
- import org.apache.commons.io.file.attribute.FileTimes;
- /**
- * Extension that adds better handling of extra fields and provides access to the internal and external file attributes.
- *
- * <p>
- * The extra data is expected to follow the recommendation of <a href="http://www.pkware.com/documents/casestudies/APPNOTE.TXT">APPNOTE.TXT</a>:
- * </p>
- * <ul>
- * <li>the extra byte array consists of a sequence of extra fields</li>
- * <li>each extra fields starts by a two byte header id followed by a two byte sequence holding the length of the remainder of data.</li>
- * </ul>
- *
- * <p>
- * Any extra data that cannot be parsed by the rules above will be consumed as "unparseable" extra data and treated differently by the methods of this class.
- * Versions prior to Apache Commons Compress 1.1 would have thrown an exception if any attempt was made to read or write extra data not conforming to the
- * recommendation.
- * </p>
- *
- * @NotThreadSafe
- */
- public class ZipArchiveEntry extends ZipEntry implements ArchiveEntry, EntryStreamOffsets {
- /**
- * Indicates how the comment of this entry has been determined.
- *
- * @since 1.16
- */
- public enum CommentSource {
- /**
- * The comment has been read from the archive using the encoding of the archive specified when creating the {@link ZipArchiveInputStream} or
- * {@link ZipFile} (defaults to the platform's default encoding).
- */
- COMMENT,
- /**
- * The comment has been read from an {@link UnicodeCommentExtraField Unicode Extra Field}.
- */
- UNICODE_EXTRA_FIELD
- }
- /**
- * How to try to parse the extra fields.
- *
- * <p>
- * Configures the behavior for:
- * </p>
- * <ul>
- * <li>What shall happen if the extra field content doesn't follow the recommended pattern of two-byte id followed by a two-byte length?</li>
- * <li>What shall happen if an extra field is generally supported by Commons Compress but its content cannot be parsed correctly? This may for example
- * happen if the archive is corrupt, it triggers a bug in Commons Compress or the extra field uses a version not (yet) supported by Commons Compress.</li>
- * </ul>
- *
- * @since 1.19
- */
- public enum ExtraFieldParsingMode implements ExtraFieldParsingBehavior {
- /**
- * Try to parse as many extra fields as possible and wrap unknown extra fields as well as supported extra fields that cannot be parsed in
- * {@link UnrecognizedExtraField}.
- *
- * <p>
- * Wrap extra data that doesn't follow the recommended pattern in an {@link UnparseableExtraFieldData} instance.
- * </p>
- *
- * <p>
- * This is the default behavior starting with Commons Compress 1.19.
- * </p>
- */
- BEST_EFFORT(ExtraFieldUtils.UnparseableExtraField.READ) {
- @Override
- public ZipExtraField fill(final ZipExtraField field, final byte[] data, final int off, final int len, final boolean local) {
- return fillAndMakeUnrecognizedOnError(field, data, off, len, local);
- }
- },
- /**
- * Try to parse as many extra fields as possible and wrap unknown extra fields in {@link UnrecognizedExtraField}.
- *
- * <p>
- * Wrap extra data that doesn't follow the recommended pattern in an {@link UnparseableExtraFieldData} instance.
- * </p>
- *
- * <p>
- * Throw an exception if an extra field that is generally supported cannot be parsed.
- * </p>
- *
- * <p>
- * This used to be the default behavior prior to Commons Compress 1.19.
- * </p>
- */
- STRICT_FOR_KNOW_EXTRA_FIELDS(ExtraFieldUtils.UnparseableExtraField.READ),
- /**
- * Try to parse as many extra fields as possible and wrap unknown extra fields as well as supported extra fields that cannot be parsed in
- * {@link UnrecognizedExtraField}.
- *
- * <p>
- * Ignore extra data that doesn't follow the recommended pattern.
- * </p>
- */
- ONLY_PARSEABLE_LENIENT(ExtraFieldUtils.UnparseableExtraField.SKIP) {
- @Override
- public ZipExtraField fill(final ZipExtraField field, final byte[] data, final int off, final int len, final boolean local) {
- return fillAndMakeUnrecognizedOnError(field, data, off, len, local);
- }
- },
- /**
- * Try to parse as many extra fields as possible and wrap unknown extra fields in {@link UnrecognizedExtraField}.
- *
- * <p>
- * Ignore extra data that doesn't follow the recommended pattern.
- * </p>
- *
- * <p>
- * Throw an exception if an extra field that is generally supported cannot be parsed.
- * </p>
- */
- ONLY_PARSEABLE_STRICT(ExtraFieldUtils.UnparseableExtraField.SKIP),
- /**
- * Throw an exception if any of the recognized extra fields cannot be parsed or any extra field violates the recommended pattern.
- */
- DRACONIC(ExtraFieldUtils.UnparseableExtraField.THROW);
- private static ZipExtraField fillAndMakeUnrecognizedOnError(final ZipExtraField field, final byte[] data, final int off, final int len,
- final boolean local) {
- try {
- return ExtraFieldUtils.fillExtraField(field, data, off, len, local);
- } catch (final ZipException ex) {
- final UnrecognizedExtraField u = new UnrecognizedExtraField();
- u.setHeaderId(field.getHeaderId());
- if (local) {
- u.setLocalFileDataData(Arrays.copyOfRange(data, off, off + len));
- } else {
- u.setCentralDirectoryData(Arrays.copyOfRange(data, off, off + len));
- }
- return u;
- }
- }
- private final ExtraFieldUtils.UnparseableExtraField onUnparseableData;
- ExtraFieldParsingMode(final ExtraFieldUtils.UnparseableExtraField onUnparseableData) {
- this.onUnparseableData = onUnparseableData;
- }
- @Override
- public ZipExtraField createExtraField(final ZipShort headerId) {
- return ExtraFieldUtils.createExtraField(headerId);
- }
- @Override
- public ZipExtraField fill(final ZipExtraField field, final byte[] data, final int off, final int len, final boolean local) throws ZipException {
- return ExtraFieldUtils.fillExtraField(field, data, off, len, local);
- }
- @Override
- public ZipExtraField onUnparseableExtraField(final byte[] data, final int off, final int len, final boolean local, final int claimedLength)
- throws ZipException {
- return onUnparseableData.onUnparseableExtraField(data, off, len, local, claimedLength);
- }
- }
- /**
- * Indicates how the name of this entry has been determined.
- *
- * @since 1.16
- */
- public enum NameSource {
- /**
- * The name has been read from the archive using the encoding of the archive specified when creating the {@link ZipArchiveInputStream} or
- * {@link ZipFile} (defaults to the platform's default encoding).
- */
- NAME,
- /**
- * The name has been read from the archive and the archive specified the EFS flag which indicates the name has been encoded as UTF-8.
- */
- NAME_WITH_EFS_FLAG,
- /**
- * The name has been read from an {@link UnicodePathExtraField Unicode Extra Field}.
- */
- UNICODE_EXTRA_FIELD
- }
- private static final String ZIP_DIR_SEP = "/";
- static final ZipArchiveEntry[] EMPTY_ARRAY = {};
- static LinkedList<ZipArchiveEntry> EMPTY_LINKED_LIST = new LinkedList<>();
- public static final int PLATFORM_UNIX = 3;
- public static final int PLATFORM_FAT = 0;
- public static final int CRC_UNKNOWN = -1;
- private static final int SHORT_MASK = 0xFFFF;
- private static final int SHORT_SHIFT = 16;
- private static boolean canConvertToInfoZipExtendedTimestamp(final FileTime lastModifiedTime, final FileTime lastAccessTime, final FileTime creationTime) {
- return FileTimes.isUnixTime(lastModifiedTime) && FileTimes.isUnixTime(lastAccessTime) && FileTimes.isUnixTime(creationTime);
- }
- private static boolean isDirectoryEntryName(final String entryName) {
- return entryName.endsWith(ZIP_DIR_SEP);
- }
- private static String toDirectoryEntryName(final String entryName) {
- return isDirectoryEntryName(entryName) ? entryName : entryName + ZIP_DIR_SEP;
- }
- private static String toEntryName(final File inputFile, final String entryName) {
- return inputFile.isDirectory() ? toDirectoryEntryName(entryName) : entryName;
- }
- private static String toEntryName(final Path inputPath, final String entryName, final LinkOption... options) {
- return Files.isDirectory(inputPath, options) ? toDirectoryEntryName(entryName) : entryName;
- }
- /**
- * The {@link ZipEntry} base class only supports the compression methods STORED and DEFLATED. We override the field so that any compression
- * methods can be used.
- * <p>
- * The default value -1 means that the method has not been specified.
- * </p>
- * @see <a href="https://issues.apache.org/jira/browse/COMPRESS-93" >COMPRESS-93</a>
- */
- private int method = ZipMethod.UNKNOWN_CODE;
- /**
- * The {@link ZipEntry#setSize} method in the base class throws an IllegalArgumentException if the size is bigger than 2GB for Java versions
- * < 7 and even in Java 7+ if the implementation in java.util.zip doesn't support Zip64 itself (it is an optional feature).
- * <p>
- * We need to keep our own size information for Zip64 support.
- * </p>
- */
- private long size = SIZE_UNKNOWN;
- private int internalAttributes;
- private int versionRequired;
- private int versionMadeBy;
- private int platform = PLATFORM_FAT;
- private int rawFlag;
- private long externalAttributes;
- private int alignment;
- private ZipExtraField[] extraFields;
- private UnparseableExtraFieldData unparseableExtra;
- private String name;
- private byte[] rawName;
- private GeneralPurposeBit generalPurposeBit = new GeneralPurposeBit();
- private long localHeaderOffset = OFFSET_UNKNOWN;
- private long dataOffset = OFFSET_UNKNOWN;
- private boolean isStreamContiguous;
- private NameSource nameSource = NameSource.NAME;
- private final Function<ZipShort, ZipExtraField> extraFieldFactory;
- private CommentSource commentSource = CommentSource.COMMENT;
- private long diskNumberStart;
- private boolean lastModifiedDateSet;
- private long time = -1;
- /**
- */
- protected ZipArchiveEntry() {
- this("");
- }
- /**
- * Creates a new ZIP entry taking some information from the given file and using the provided name.
- *
- * <p>
- * The name will be adjusted to end with a forward slash "/" if the file is a directory. If the file is not a directory a potential trailing forward slash
- * will be stripped from the entry name.
- * </p>
- *
- * @param inputFile file to create the entry from
- * @param entryName name of the entry
- */
- public ZipArchiveEntry(final File inputFile, final String entryName) {
- this(null, inputFile, entryName);
- }
- /**
- * Creates a new ZIP entry taking some information from the given file and using the provided name.
- *
- * <p>
- * The name will be adjusted to end with a forward slash "/" if the file is a directory. If the file is not a directory a potential trailing forward slash
- * will be stripped from the entry name.
- * </p>
- *
- * @param extraFieldFactory custom lookup factory for extra fields or null
- * @param inputFile file to create the entry from
- * @param entryName name of the entry
- */
- private ZipArchiveEntry(final Function<ZipShort, ZipExtraField> extraFieldFactory, final File inputFile, final String entryName) {
- this(extraFieldFactory, toEntryName(inputFile, entryName));
- try {
- setAttributes(inputFile.toPath());
- } catch (final IOException e) { // NOSONAR
- if (inputFile.isFile()) {
- setSize(inputFile.length());
- }
- setTime(inputFile.lastModified());
- }
- }
- /**
- * Creates a new ZIP entry taking some information from the given path and using the provided name.
- *
- * <p>
- * The name will be adjusted to end with a forward slash "/" if the file is a directory. If the file is not a directory a potential trailing forward slash
- * will be stripped from the entry name.
- * </p>
- *
- * @param extraFieldFactory custom lookup factory for extra fields or null
- * @param inputPath path to create the entry from.
- * @param entryName name of the entry.
- * @param options options indicating how symbolic links are handled.
- * @throws IOException if an I/O error occurs.
- */
- private ZipArchiveEntry(final Function<ZipShort, ZipExtraField> extraFieldFactory, final Path inputPath, final String entryName,
- final LinkOption... options) throws IOException {
- this(extraFieldFactory, toEntryName(inputPath, entryName, options));
- setAttributes(inputPath, options);
- }
- /**
- * Creates a new ZIP entry with the specified name.
- *
- * <p>
- * Assumes the entry represents a directory if and only if the name ends with a forward slash "/".
- * </p>
- *
- * @param extraFieldFactory custom lookup factory for extra fields or null
- * @param name the name of the entry
- */
- private ZipArchiveEntry(final Function<ZipShort, ZipExtraField> extraFieldFactory, final String name) {
- super(name);
- this.extraFieldFactory = extraFieldFactory;
- setName(name);
- }
- /**
- * 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 extraFieldFactory the extra field lookup factory.
- * @param entry the entry to get fields from
- * @throws ZipException on error
- */
- private ZipArchiveEntry(final Function<ZipShort, ZipExtraField> extraFieldFactory, final ZipEntry entry) throws ZipException {
- super(entry);
- this.extraFieldFactory = extraFieldFactory;
- setName(entry.getName());
- final byte[] extra = entry.getExtra();
- if (extra != null) {
- setExtraFields(parseExtraFields(extra, true, ExtraFieldParsingMode.BEST_EFFORT));
- } else {
- // initializes extra data to an empty byte array
- setExtra();
- }
- setMethod(entry.getMethod());
- this.size = entry.getSize();
- }
- /**
- * Creates a new ZIP entry taking some information from the given path and using the provided name.
- *
- * <p>
- * The name will be adjusted to end with a forward slash "/" if the file is a directory. If the file is not a directory a potential trailing forward slash
- * will be stripped from the entry name.
- * </p>
- *
- * @param inputPath path to create the entry from.
- * @param entryName name of the entry.
- * @param options options indicating how symbolic links are handled.
- * @throws IOException if an I/O error occurs.
- * @since 1.21
- */
- public ZipArchiveEntry(final Path inputPath, final String entryName, final LinkOption... options) throws IOException {
- this(null, inputPath, entryName, options);
- }
- /**
- * Creates a new ZIP entry with the specified name.
- *
- * <p>
- * Assumes the entry represents a directory if and only if the name ends with a forward slash "/".
- * </p>
- *
- * @param name the name of the entry
- * @since 1.26.0
- */
- public ZipArchiveEntry(final String name) {
- this((Function<ZipShort, ZipExtraField>) null, name);
- }
- /**
- * 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 ZipArchiveEntry entry) throws ZipException {
- this((ZipEntry) entry);
- setInternalAttributes(entry.getInternalAttributes());
- setExternalAttributes(entry.getExternalAttributes());
- setExtraFields(entry.getAllExtraFieldsNoCopy());
- setPlatform(entry.getPlatform());
- final GeneralPurposeBit other = entry.getGeneralPurposeBit();
- setGeneralPurposeBit(other == null ? null : (GeneralPurposeBit) other.clone());
- }
- /**
- * 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 ZipEntry entry) throws ZipException {
- this(null, entry);
- }
- /**
- * Adds an extra field - replacing an already present extra field of the same type.
- *
- * <p>
- * The new extra field will be the first one.
- * </p>
- *
- * @param ze an extra field
- */
- public void addAsFirstExtraField(final ZipExtraField ze) {
- if (ze instanceof UnparseableExtraFieldData) {
- unparseableExtra = (UnparseableExtraFieldData) ze;
- } else {
- if (getExtraField(ze.getHeaderId()) != null) {
- internalRemoveExtraField(ze.getHeaderId());
- }
- final ZipExtraField[] copy = extraFields;
- final int newLen = extraFields != null ? extraFields.length + 1 : 1;
- extraFields = new ZipExtraField[newLen];
- extraFields[0] = ze;
- if (copy != null) {
- System.arraycopy(copy, 0, extraFields, 1, extraFields.length - 1);
- }
- }
- setExtra();
- }
- /**
- * Adds an extra field - replacing an already present extra field of the same type.
- *
- * <p>
- * If no extra field of the same type exists, the field will be added as last field.
- * </p>
- *
- * @param ze an extra field
- */
- public void addExtraField(final ZipExtraField ze) {
- internalAddExtraField(ze);
- setExtra();
- }
- private void addInfoZipExtendedTimestamp(final FileTime lastModifiedTime, final FileTime lastAccessTime, final FileTime creationTime) {
- final X5455_ExtendedTimestamp infoZipTimestamp = new X5455_ExtendedTimestamp();
- if (lastModifiedTime != null) {
- infoZipTimestamp.setModifyFileTime(lastModifiedTime);
- }
- if (lastAccessTime != null) {
- infoZipTimestamp.setAccessFileTime(lastAccessTime);
- }
- if (creationTime != null) {
- infoZipTimestamp.setCreateFileTime(creationTime);
- }
- internalAddExtraField(infoZipTimestamp);
- }
- private void addNTFSTimestamp(final FileTime lastModifiedTime, final FileTime lastAccessTime, final FileTime creationTime) {
- final X000A_NTFS ntfsTimestamp = new X000A_NTFS();
- if (lastModifiedTime != null) {
- ntfsTimestamp.setModifyFileTime(lastModifiedTime);
- }
- if (lastAccessTime != null) {
- ntfsTimestamp.setAccessFileTime(lastAccessTime);
- }
- if (creationTime != null) {
- ntfsTimestamp.setCreateFileTime(creationTime);
- }
- internalAddExtraField(ntfsTimestamp);
- }
- /**
- * Overwrite clone.
- *
- * @return a cloned copy of this ZipArchiveEntry
- */
- @Override
- public Object clone() {
- final ZipArchiveEntry e = (ZipArchiveEntry) super.clone();
- e.setInternalAttributes(getInternalAttributes());
- e.setExternalAttributes(getExternalAttributes());
- e.setExtraFields(getAllExtraFieldsNoCopy());
- return e;
- }
- private ZipExtraField[] copyOf(final ZipExtraField[] src, final int length) {
- return Arrays.copyOf(src, length);
- }
- @Override
- public boolean equals(final Object obj) {
- if (this == obj) {
- return true;
- }
- if (obj == null || getClass() != obj.getClass()) {
- return false;
- }
- final ZipArchiveEntry other = (ZipArchiveEntry) obj;
- final String myName = getName();
- final String otherName = other.getName();
- if (!Objects.equals(myName, otherName)) {
- return false;
- }
- String myComment = getComment();
- String otherComment = other.getComment();
- if (myComment == null) {
- myComment = "";
- }
- if (otherComment == null) {
- otherComment = "";
- }
- return Objects.equals(getLastModifiedTime(), other.getLastModifiedTime()) && Objects.equals(getLastAccessTime(), other.getLastAccessTime())
- && Objects.equals(getCreationTime(), other.getCreationTime()) && myComment.equals(otherComment)
- && getInternalAttributes() == other.getInternalAttributes() && getPlatform() == other.getPlatform()
- && getExternalAttributes() == other.getExternalAttributes() && getMethod() == other.getMethod() && getSize() == other.getSize()
- && getCrc() == other.getCrc() && getCompressedSize() == other.getCompressedSize()
- && Arrays.equals(getCentralDirectoryExtra(), other.getCentralDirectoryExtra())
- && Arrays.equals(getLocalFileDataExtra(), other.getLocalFileDataExtra()) && localHeaderOffset == other.localHeaderOffset
- && dataOffset == other.dataOffset && generalPurposeBit.equals(other.generalPurposeBit);
- }
- private ZipExtraField findMatching(final ZipShort headerId, final List<ZipExtraField> fs) {
- return fs.stream().filter(f -> headerId.equals(f.getHeaderId())).findFirst().orElse(null);
- }
- private ZipExtraField findUnparseable(final List<ZipExtraField> fs) {
- return fs.stream().filter(UnparseableExtraFieldData.class::isInstance).findFirst().orElse(null);
- }
- /**
- * Gets currently configured alignment.
- *
- * @return alignment for this entry.
- * @since 1.14
- */
- protected int getAlignment() {
- return this.alignment;
- }
- private ZipExtraField[] getAllExtraFields() {
- final ZipExtraField[] allExtraFieldsNoCopy = getAllExtraFieldsNoCopy();
- return allExtraFieldsNoCopy == extraFields ? copyOf(allExtraFieldsNoCopy, allExtraFieldsNoCopy.length) : allExtraFieldsNoCopy;
- }
- /**
- * Gets all extra fields, including unparseable ones.
- *
- * @return An array of all extra fields. Not necessarily a copy of internal data structures, hence private method
- */
- private ZipExtraField[] getAllExtraFieldsNoCopy() {
- if (extraFields == null) {
- return getUnparseableOnly();
- }
- return unparseableExtra != null ? getMergedFields() : extraFields;
- }
- /**
- * Retrieves the extra data for the central directory.
- *
- * @return the central directory extra data
- */
- public byte[] getCentralDirectoryExtra() {
- return ExtraFieldUtils.mergeCentralDirectoryData(getAllExtraFieldsNoCopy());
- }
- /**
- * The source of the comment field value.
- *
- * @return source of the comment field value
- * @since 1.16
- */
- public CommentSource getCommentSource() {
- return commentSource;
- }
- @Override
- public long getDataOffset() {
- return dataOffset;
- }
- /**
- * The number of the split segment this entry starts at.
- *
- * @return the number of the split segment this entry starts at.
- * @since 1.20
- */
- public long getDiskNumberStart() {
- return diskNumberStart;
- }
- /**
- * Retrieves the external file attributes.
- *
- * <p>
- * <b>Note</b>: {@link ZipArchiveInputStream} is unable to fill this field, you must use {@link ZipFile} if you want to read entries using this attribute.
- * </p>
- *
- * @return the external file attributes
- */
- public long getExternalAttributes() {
- return externalAttributes;
- }
- /**
- * Gets an extra field by its header id.
- *
- * @param type the header id
- * @return null if no such field exists.
- */
- public ZipExtraField getExtraField(final ZipShort type) {
- if (extraFields != null) {
- for (final ZipExtraField extraField : extraFields) {
- if (type.equals(extraField.getHeaderId())) {
- return extraField;
- }
- }
- }
- return null;
- }
- /**
- * Gets all extra fields that have been parsed successfully.
- *
- * <p>
- * <b>Note</b>: The set of extra fields may be incomplete when {@link ZipArchiveInputStream} has been used as some extra fields use the central directory to
- * store additional information.
- * </p>
- *
- * @return an array of the extra fields
- */
- public ZipExtraField[] getExtraFields() {
- return getParseableExtraFields();
- }
- /**
- * Gets extra fields.
- *
- * @param includeUnparseable whether to also return unparseable extra fields as {@link UnparseableExtraFieldData} if such data exists.
- * @return an array of the extra fields
- *
- * @since 1.1
- */
- public ZipExtraField[] getExtraFields(final boolean includeUnparseable) {
- return includeUnparseable ? getAllExtraFields() : getParseableExtraFields();
- }
- /**
- * Gets extra fields.
- *
- * @param parsingBehavior controls parsing of extra fields.
- * @return an array of the extra fields
- * @throws ZipException if parsing fails, can not happen if {@code
- * parsingBehavior} is {@link ExtraFieldParsingMode#BEST_EFFORT}.
- * @since 1.19
- */
- public ZipExtraField[] getExtraFields(final ExtraFieldParsingBehavior parsingBehavior) throws ZipException {
- if (parsingBehavior == ExtraFieldParsingMode.BEST_EFFORT) {
- return getExtraFields(true);
- }
- if (parsingBehavior == ExtraFieldParsingMode.ONLY_PARSEABLE_LENIENT) {
- return getExtraFields(false);
- }
- final byte[] local = getExtra();
- final List<ZipExtraField> localFields = new ArrayList<>(Arrays.asList(parseExtraFields(local, true, parsingBehavior)));
- final byte[] central = getCentralDirectoryExtra();
- final List<ZipExtraField> centralFields = new ArrayList<>(Arrays.asList(parseExtraFields(central, false, parsingBehavior)));
- final List<ZipExtraField> merged = new ArrayList<>();
- for (final ZipExtraField l : localFields) {
- ZipExtraField c;
- if (l instanceof UnparseableExtraFieldData) {
- c = findUnparseable(centralFields);
- } else {
- c = findMatching(l.getHeaderId(), centralFields);
- }
- if (c != null) {
- final byte[] cd = c.getCentralDirectoryData();
- if (cd != null && cd.length > 0) {
- l.parseFromCentralDirectoryData(cd, 0, cd.length);
- }
- centralFields.remove(c);
- }
- merged.add(l);
- }
- merged.addAll(centralFields);
- return merged.toArray(ExtraFieldUtils.EMPTY_ZIP_EXTRA_FIELD_ARRAY);
- }
- /**
- * The "general purpose bit" field.
- *
- * @return the general purpose bit
- * @since 1.1
- */
- public GeneralPurposeBit getGeneralPurposeBit() {
- return generalPurposeBit;
- }
- /**
- * Gets the internal file attributes.
- *
- * <p>
- * <b>Note</b>: {@link ZipArchiveInputStream} is unable to fill this field, you must use {@link ZipFile} if you want to read entries using this attribute.
- * </p>
- *
- * @return the internal file attributes
- */
- public int getInternalAttributes() {
- return internalAttributes;
- }
- /**
- * Wraps {@link ZipEntry#getTime} with a {@link Date} as the entry's last modified date.
- *
- * <p>
- * Changes to the implementation of {@link ZipEntry#getTime()} leak through and the returned value may depend on your local time zone as well as
- * your version of Java.
- * </p>
- */
- @Override
- public Date getLastModifiedDate() {
- return new Date(getTime());
- }
- /**
- * Gets the extra data for the local file data.
- *
- * @return the extra data for local file
- */
- public byte[] getLocalFileDataExtra() {
- final byte[] extra = getExtra();
- return extra != null ? extra : ByteUtils.EMPTY_BYTE_ARRAY;
- }
- /**
- * Gets the local header offset.
- *
- * @return the local header offset.
- * @since 1.24.0
- */
- public long getLocalHeaderOffset() {
- return this.localHeaderOffset;
- }
- private ZipExtraField[] getMergedFields() {
- final ZipExtraField[] zipExtraFields = copyOf(extraFields, extraFields.length + 1);
- zipExtraFields[extraFields.length] = unparseableExtra;
- return zipExtraFields;
- }
- /**
- * Gets the compression method of this entry, or -1 if the compression method has not been specified.
- *
- * @return compression method
- *
- * @since 1.1
- */
- @Override
- public int getMethod() {
- return method;
- }
- /**
- * Gets the name of the entry.
- *
- * <p>
- * This method returns the raw name as it is stored inside of the archive.
- * </p>
- *
- * @return the entry name
- */
- @Override
- public String getName() {
- return name == null ? super.getName() : name;
- }
- /**
- * The source of the name field value.
- *
- * @return source of the name field value
- * @since 1.16
- */
- public NameSource getNameSource() {
- return nameSource;
- }
- private ZipExtraField[] getParseableExtraFields() {
- final ZipExtraField[] parseableExtraFields = getParseableExtraFieldsNoCopy();
- return parseableExtraFields == extraFields ? copyOf(parseableExtraFields, parseableExtraFields.length) : parseableExtraFields;
- }
- private ZipExtraField[] getParseableExtraFieldsNoCopy() {
- if (extraFields == null) {
- return ExtraFieldUtils.EMPTY_ZIP_EXTRA_FIELD_ARRAY;
- }
- return extraFields;
- }
- /**
- * Platform specification to put into the "version made by" part of the central file header.
- *
- * @return PLATFORM_FAT unless {@link #setUnixMode setUnixMode} has been called, in which case PLATFORM_UNIX will be returned.
- */
- public int getPlatform() {
- return platform;
- }
- /**
- * The content of the flags field.
- *
- * @return content of the flags field
- * @since 1.11
- */
- public int getRawFlag() {
- return rawFlag;
- }
- /**
- * Returns the raw bytes that made up the name before it has been converted using the configured or guessed encoding.
- *
- * <p>
- * This method will return null if this instance has not been read from an archive.
- * </p>
- *
- * @return the raw name bytes
- * @since 1.2
- */
- public byte[] getRawName() {
- if (rawName != null) {
- return Arrays.copyOf(rawName, rawName.length);
- }
- return null;
- }
- /**
- * Gets the uncompressed size of the entry data.
- *
- * <p>
- * <b>Note</b>: {@link ZipArchiveInputStream} may create entries that return {@link #SIZE_UNKNOWN SIZE_UNKNOWN} as long as the entry hasn't been read
- * completely.
- * </p>
- *
- * @return the entry size
- */
- @Override
- public long getSize() {
- return size;
- }
- /**
- * {@inheritDoc}
- *
- * <p>
- * Override to work around bug <a href="https://bugs.openjdk.org/browse/JDK-8130914">JDK-8130914</a>
- * </p>
- *
- * @return The last modification time of the entry in milliseconds since the epoch, or -1 if not specified
- *
- * @see #setTime(long)
- * @see #setLastModifiedTime(FileTime)
- */
- @Override
- public long getTime() {
- if (lastModifiedDateSet) {
- return getLastModifiedTime().toMillis();
- }
- return time != -1 ? time : super.getTime();
- }
- /**
- * Gets the UNIX permission.
- *
- * @return the unix permissions
- */
- public int getUnixMode() {
- return platform != PLATFORM_UNIX ? 0 : (int) (getExternalAttributes() >> SHORT_SHIFT & SHORT_MASK);
- }
- /**
- * Gets up extra field data that couldn't be parsed correctly.
- *
- * @return null if no such field exists.
- *
- * @since 1.1
- */
- public UnparseableExtraFieldData getUnparseableExtraFieldData() {
- return unparseableExtra;
- }
- private ZipExtraField[] getUnparseableOnly() {
- return unparseableExtra == null ? ExtraFieldUtils.EMPTY_ZIP_EXTRA_FIELD_ARRAY : new ZipExtraField[] { unparseableExtra };
- }
- /**
- * Gets the "version made by" field.
- *
- * @return "version made by" field
- * @since 1.11
- */
- public int getVersionMadeBy() {
- return versionMadeBy;
- }
- /**
- * Gets the "version required to expand" field.
- *
- * @return "version required to expand" field
- * @since 1.11
- */
- public int getVersionRequired() {
- return versionRequired;
- }
- /**
- * Gets the hash code of the entry. This uses the name as the hash code.
- *
- * @return a hash code.
- */
- @Override
- public int hashCode() {
- // this method has severe consequences on performance. We cannot rely
- // on the super.hashCode() method since super.getName() always return
- // the empty string in the current implementation (there's no setter)
- // so it is basically draining the performance of a hashmap lookup
- return getName().hashCode();
- }
- private void internalAddExtraField(final ZipExtraField ze) {
- if (ze instanceof UnparseableExtraFieldData) {
- unparseableExtra = (UnparseableExtraFieldData) ze;
- } else if (extraFields == null) {
- extraFields = new ZipExtraField[] { ze };
- } else {
- if (getExtraField(ze.getHeaderId()) != null) {
- internalRemoveExtraField(ze.getHeaderId());
- }
- final ZipExtraField[] zipExtraFields = copyOf(extraFields, extraFields.length + 1);
- zipExtraFields[zipExtraFields.length - 1] = ze;
- extraFields = zipExtraFields;
- }
- }
- private void internalRemoveExtraField(final ZipShort type) {
- if (extraFields == null) {
- return;
- }
- final List<ZipExtraField> newResult = new ArrayList<>();
- for (final ZipExtraField extraField : extraFields) {
- if (!type.equals(extraField.getHeaderId())) {
- newResult.add(extraField);
- }
- }
- if (extraFields.length == newResult.size()) {
- return;
- }
- extraFields = newResult.toArray(ExtraFieldUtils.EMPTY_ZIP_EXTRA_FIELD_ARRAY);
- }
- private void internalSetLastModifiedTime(final FileTime time) {
- super.setLastModifiedTime(time);
- this.time = time.toMillis();
- lastModifiedDateSet = true;
- }
- /**
- * Is this entry a directory?
- *
- * @return true if the entry is a directory
- */
- @Override
- public boolean isDirectory() {
- return isDirectoryEntryName(getName());
- }
- @Override
- public boolean isStreamContiguous() {
- return isStreamContiguous;
- }
- /**
- * Returns true if this entry represents a unix symlink, in which case the entry's content contains the target path for the symlink.
- *
- * @since 1.5
- * @return true if the entry represents a unix symlink, false otherwise.
- */
- public boolean isUnixSymlink() {
- return (getUnixMode() & UnixStat.FILE_TYPE_FLAG) == UnixStat.LINK_FLAG;
- }
- /**
- * If there are no extra fields, use the given fields as new extra data - otherwise merge the fields assuming the existing fields and the new fields stem
- * from different locations inside the archive.
- *
- * @param f the extra fields to merge
- * @param local whether the new fields originate from local data
- */
- private void mergeExtraFields(final ZipExtraField[] f, final boolean local) {
- if (extraFields == null) {
- setExtraFields(f);
- } else {
- for (final ZipExtraField element : f) {
- final ZipExtraField existing;
- if (element instanceof UnparseableExtraFieldData) {
- existing = unparseableExtra;
- } else {
- existing = getExtraField(element.getHeaderId());
- }
- if (existing == null) {
- internalAddExtraField(element);
- } else {
- final byte[] b = local ? element.getLocalFileDataData() : element.getCentralDirectoryData();
- try {
- if (local) {
- existing.parseFromLocalFileData(b, 0, b.length);
- } else {
- existing.parseFromCentralDirectoryData(b, 0, b.length);
- }
- } catch (final ZipException ex) {
- // emulate ExtraFieldParsingMode.fillAndMakeUnrecognizedOnError
- final UnrecognizedExtraField u = new UnrecognizedExtraField();
- u.setHeaderId(existing.getHeaderId());
- if (local) {
- u.setLocalFileDataData(b);
- u.setCentralDirectoryData(existing.getCentralDirectoryData());
- } else {
- u.setLocalFileDataData(existing.getLocalFileDataData());
- u.setCentralDirectoryData(b);
- }
- internalRemoveExtraField(existing.getHeaderId());
- internalAddExtraField(u);
- }
- }
- }
- setExtra();
- }
- }
- private ZipExtraField[] parseExtraFields(final byte[] data, final boolean local, final ExtraFieldParsingBehavior parsingBehavior) throws ZipException {
- if (extraFieldFactory != null) {
- return ExtraFieldUtils.parse(data, local, new ExtraFieldParsingBehavior() {
- @Override
- public ZipExtraField createExtraField(final ZipShort headerId) throws ZipException, InstantiationException, IllegalAccessException {
- final ZipExtraField field = extraFieldFactory.apply(headerId);
- return field == null ? parsingBehavior.createExtraField(headerId) : field;
- }
- @Override
- public ZipExtraField fill(final ZipExtraField field, final byte[] data, final int off, final int len, final boolean local) throws ZipException {
- return parsingBehavior.fill(field, data, off, len, local);
- }
- @Override
- public ZipExtraField onUnparseableExtraField(final byte[] data, final int off, final int len, final boolean local, final int claimedLength)
- throws ZipException {
- return parsingBehavior.onUnparseableExtraField(data, off, len, local, claimedLength);
- }
- });
- }
- return ExtraFieldUtils.parse(data, local, parsingBehavior);
- }
- /**
- * Remove an extra field.
- *
- * @param type the type of extra field to remove
- */
- public void removeExtraField(final ZipShort type) {
- if (getExtraField(type) == null) {
- throw new NoSuchElementException();
- }
- internalRemoveExtraField(type);
- setExtra();
- }
- /**
- * Removes unparseable extra field data.
- *
- * @since 1.1
- */
- public void removeUnparseableExtraFieldData() {
- if (unparseableExtra == null) {
- throw new NoSuchElementException();
- }
- unparseableExtra = null;
- setExtra();
- }
- private boolean requiresExtraTimeFields() {
- if (getLastAccessTime() != null || getCreationTime() != null) {
- return true;
- }
- return lastModifiedDateSet;
- }
- /**
- * Sets alignment for this entry.
- *
- * @param alignment requested alignment, 0 for default.
- * @since 1.14
- */
- public void setAlignment(final int alignment) {
- if ((alignment & alignment - 1) != 0 || alignment > 0xffff) {
- throw new IllegalArgumentException("Invalid value for alignment, must be power of two and no bigger than " + 0xffff + " but is " + alignment);
- }
- this.alignment = alignment;
- }
- private void setAttributes(final Path inputPath, final LinkOption... options) throws IOException {
- final BasicFileAttributes attributes = Files.readAttributes(inputPath, BasicFileAttributes.class, options);
- if (attributes.isRegularFile()) {
- setSize(attributes.size());
- }
- super.setLastModifiedTime(attributes.lastModifiedTime());
- super.setCreationTime(attributes.creationTime());
- super.setLastAccessTime(attributes.lastAccessTime());
- setExtraTimeFields();
- }
- /**
- * Sets the central directory part of extra fields.
- *
- * @param b an array of bytes to be parsed into extra fields
- */
- public void setCentralDirectoryExtra(final byte[] b) {
- try {
- mergeExtraFields(parseExtraFields(b, false, ExtraFieldParsingMode.BEST_EFFORT), false);
- } catch (final ZipException e) {
- // actually this is not possible as of Commons Compress 1.19
- throw new IllegalArgumentException(e.getMessage(), e); // NOSONAR
- }
- }
- /**
- * Sets the source of the comment field value.
- *
- * @param commentSource source of the comment field value
- * @since 1.16
- */
- public void setCommentSource(final CommentSource commentSource) {
- this.commentSource = commentSource;
- }
- @Override
- public ZipEntry setCreationTime(final FileTime time) {
- super.setCreationTime(time);
- setExtraTimeFields();
- return this;
- }
- /*
- * (non-Javadoc)
- *
- * @see Object#equals(Object)
- */
- /**
- * Sets the data offset.
- *
- * @param dataOffset new value of data offset.
- */
- protected void setDataOffset(final long dataOffset) {
- this.dataOffset = dataOffset;
- }
- /**
- * The number of the split segment this entry starts at.
- *
- * @param diskNumberStart the number of the split segment this entry starts at.
- * @since 1.20
- */
- public void setDiskNumberStart(final long diskNumberStart) {
- this.diskNumberStart = diskNumberStart;
- }
- /**
- * Sets the external file attributes.
- *
- * @param value an {@code long} value
- */
- public void setExternalAttributes(final long value) {
- externalAttributes = value;
- }
- /**
- * Unfortunately {@link java.util.zip.ZipOutputStream} seems to access the extra data directly, so overriding getExtra doesn't help - we need to modify
- * super's data directly and on every update.
- */
- protected void setExtra() {
- // ZipEntry will update the time fields here, so we need to reprocess them afterwards
- super.setExtra(ExtraFieldUtils.mergeLocalFileDataData(getAllExtraFieldsNoCopy()));
- // Reprocess and overwrite the modifications made by ZipEntry#setExtra(byte[])
- updateTimeFieldsFromExtraFields();
- }
- /**
- * Parses the given bytes as extra field data and consumes any unparseable data as an {@link UnparseableExtraFieldData} instance.
- *
- * @param extra an array of bytes to be parsed into extra fields
- * @throws RuntimeException if the bytes cannot be parsed
- * @throws RuntimeException on error
- */
- @Override
- public void setExtra(final byte[] extra) throws RuntimeException {
- try {
- mergeExtraFields(parseExtraFields(extra, true, ExtraFieldParsingMode.BEST_EFFORT), true);
- } catch (final ZipException e) {
- // actually this is not possible as of Commons Compress 1.1
- throw new IllegalArgumentException("Error parsing extra fields for entry: " // NOSONAR
- + getName() + " - " + e.getMessage(), e);
- }
- }
- /**
- * Replaces all currently attached extra fields with the new array.
- *
- * @param fields an array of extra fields
- */
- public void setExtraFields(final ZipExtraField[] fields) {
- unparseableExtra = null;
- final List<ZipExtraField> newFields = new ArrayList<>();
- if (fields != null) {
- for (final ZipExtraField field : fields) {
- if (field instanceof UnparseableExtraFieldData) {
- unparseableExtra = (UnparseableExtraFieldData) field;
- } else {
- newFields.add(field);
- }
- }
- }
- extraFields = newFields.toArray(ExtraFieldUtils.EMPTY_ZIP_EXTRA_FIELD_ARRAY);
- setExtra();
- }
- private void setExtraTimeFields() {
- if (getExtraField(X5455_ExtendedTimestamp.HEADER_ID) != null) {
- internalRemoveExtraField(X5455_ExtendedTimestamp.HEADER_ID);
- }
- if (getExtraField(X000A_NTFS.HEADER_ID) != null) {
- internalRemoveExtraField(X000A_NTFS.HEADER_ID);
- }
- if (requiresExtraTimeFields()) {
- final FileTime lastModifiedTime = getLastModifiedTime();
- final FileTime lastAccessTime = getLastAccessTime();
- final FileTime creationTime = getCreationTime();
- if (canConvertToInfoZipExtendedTimestamp(lastModifiedTime, lastAccessTime, creationTime)) {
- addInfoZipExtendedTimestamp(lastModifiedTime, lastAccessTime, creationTime);
- }
- addNTFSTimestamp(lastModifiedTime, lastAccessTime, creationTime);
- }
- setExtra();
- }
- /**
- * Sets the "general purpose bit" field.
- *
- * @param generalPurposeBit the general purpose bit
- * @since 1.1
- */
- public void setGeneralPurposeBit(final GeneralPurposeBit generalPurposeBit) {
- this.generalPurposeBit = generalPurposeBit;
- }
- /**
- * Sets the internal file attributes.
- *
- * @param internalAttributes an {@code int} value
- */
- public void setInternalAttributes(final int internalAttributes) {
- this.internalAttributes = internalAttributes;
- }
- @Override
- public ZipEntry setLastAccessTime(final FileTime fileTime) {
- super.setLastAccessTime(fileTime);
- setExtraTimeFields();
- return this;
- }
- @Override
- public ZipEntry setLastModifiedTime(final FileTime fileTime) {
- internalSetLastModifiedTime(fileTime);
- setExtraTimeFields();
- return this;
- }
- protected void setLocalHeaderOffset(final long localHeaderOffset) {
- this.localHeaderOffset = localHeaderOffset;
- }
- /**
- * Sets the compression method of this entry.
- *
- * @param method compression method
- *
- * @since 1.1
- */
- @Override
- public void setMethod(final int method) {
- if (method < 0) {
- throw new IllegalArgumentException("ZIP compression method can not be negative: " + method);
- }
- this.method = method;
- }
- /**
- * Sets the name of the entry.
- *
- * @param name the name to use
- */
- protected void setName(String name) {
- if (name != null && getPlatform() == PLATFORM_FAT && !name.contains(ZIP_DIR_SEP)) {
- name = name.replace('\\', '/');
- }
- this.name = name;
- }
- /**
- * Sets the name using the raw bytes and the string created from it by guessing or using the configured encoding.
- *
- * @param name the name to use created from the raw bytes using the guessed or configured encoding
- * @param rawName the bytes originally read as name from the archive
- * @since 1.2
- */
- protected void setName(final String name, final byte[] rawName) {
- setName(name);
- this.rawName = rawName;
- }
- /**
- * Sets the source of the name field value.
- *
- * @param nameSource source of the name field value
- * @since 1.16
- */
- public void setNameSource(final NameSource nameSource) {
- this.nameSource = nameSource;
- }
- /**
- * Sets the platform (UNIX or FAT).
- *
- * @param platform an {@code int} value - 0 is FAT, 3 is UNIX
- */
- protected void setPlatform(final int platform) {
- this.platform = platform;
- }
- /**
- * Sets the content of the flags field.
- *
- * @param rawFlag content of the flags field
- * @since 1.11
- */
- public void setRawFlag(final int rawFlag) {
- this.rawFlag = rawFlag;
- }
- /**
- * Sets the uncompressed size of the entry data.
- *
- * @param size the uncompressed size in bytes
- * @throws IllegalArgumentException if the specified size is less than 0
- */
- @Override
- public void setSize(final long size) {
- if (size < 0) {
- throw new IllegalArgumentException("Invalid entry size");
- }
- this.size = size;
- }
- protected void setStreamContiguous(final boolean isStreamContiguous) {
- this.isStreamContiguous = isStreamContiguous;
- }
- /**
- * Sets the modification time of the entry.
- *
- * @param fileTime the entry modification time.
- * @since 1.21
- */
- public void setTime(final FileTime fileTime) {
- setTime(fileTime.toMillis());
- }
- /**
- *
- * {@inheritDoc}
- *
- * <p>
- * Override to work around bug <a href="https://bugs.openjdk.org/browse/JDK-8130914">JDK-8130914</a>
- * </p>
- *
- * @param timeEpochMillis The last modification time of the entry in milliseconds since the epoch.
- * @see #getTime()
- * @see #getLastModifiedTime()
- */
- @Override
- public void setTime(final long timeEpochMillis) {
- if (ZipUtil.isDosTime(timeEpochMillis)) {
- super.setTime(timeEpochMillis);
- this.time = timeEpochMillis;
- lastModifiedDateSet = false;
- setExtraTimeFields();
- } else {
- setLastModifiedTime(FileTime.fromMillis(timeEpochMillis));
- }
- }
- /**
- * Sets UNIX permissions in a way that is understood by Info-Zip's unzip command.
- *
- * @param mode an {@code int} value
- */
- public void setUnixMode(final int mode) {
- // CheckStyle:MagicNumberCheck OFF - no point
- setExternalAttributes(mode << SHORT_SHIFT
- // MS-DOS read-only attribute
- | ((mode & 0200) == 0 ? 1 : 0)
- // MS-DOS directory flag
- | (isDirectory() ? 0x10 : 0));
- // CheckStyle:MagicNumberCheck ON
- platform = PLATFORM_UNIX;
- }
- /**
- * Sets the "version made by" field.
- *
- * @param versionMadeBy "version made by" field
- * @since 1.11
- */
- public void setVersionMadeBy(final int versionMadeBy) {
- this.versionMadeBy = versionMadeBy;
- }
- /**
- * Sets the "version required to expand" field.
- *
- * @param versionRequired "version required to expand" field
- * @since 1.11
- */
- public void setVersionRequired(final int versionRequired) {
- this.versionRequired = versionRequired;
- }
- private void updateTimeFieldsFromExtraFields() {
- // Update times from X5455_ExtendedTimestamp field
- updateTimeFromExtendedTimestampField();
- // Update times from X000A_NTFS field, overriding X5455_ExtendedTimestamp if both are present
- updateTimeFromNtfsField();
- }
- /**
- * Workaround for the fact that, as of Java 17, {@link ZipEntry} does not properly modify the entry's {@code xdostime} field, only setting
- * {@code mtime}. While this is not strictly necessary, it's better to maintain the same behavior between this and the NTFS field.
- */
- private void updateTimeFromExtendedTimestampField() {
- final ZipExtraField extraField = getExtraField(X5455_ExtendedTimestamp.HEADER_ID);
- if (extraField instanceof X5455_ExtendedTimestamp) {
- final X5455_ExtendedTimestamp extendedTimestamp = (X5455_ExtendedTimestamp) extraField;
- if (extendedTimestamp.isBit0_modifyTimePresent()) {
- final FileTime modifyTime = extendedTimestamp.getModifyFileTime();
- if (modifyTime != null) {
- internalSetLastModifiedTime(modifyTime);
- }
- }
- if (extendedTimestamp.isBit1_accessTimePresent()) {
- final FileTime accessTime = extendedTimestamp.getAccessFileTime();
- if (accessTime != null) {
- super.setLastAccessTime(accessTime);
- }
- }
- if (extendedTimestamp.isBit2_createTimePresent()) {
- final FileTime creationTime = extendedTimestamp.getCreateFileTime();
- if (creationTime != null) {
- super.setCreationTime(creationTime);
- }
- }
- }
- }
- /**
- * Workaround for the fact that, as of Java 17, {@link ZipEntry} parses NTFS timestamps with a maximum precision of microseconds, which is
- * lower than the 100ns precision provided by this extra field.
- */
- private void updateTimeFromNtfsField() {
- final ZipExtraField extraField = getExtraField(X000A_NTFS.HEADER_ID);
- if (extraField instanceof X000A_NTFS) {
- final X000A_NTFS ntfsTimestamp = (X000A_NTFS) extraField;
- final FileTime modifyTime = ntfsTimestamp.getModifyFileTime();
- if (modifyTime != null) {
- internalSetLastModifiedTime(modifyTime);
- }
- final FileTime accessTime = ntfsTimestamp.getAccessFileTime();
- if (accessTime != null) {
- super.setLastAccessTime(accessTime);
- }
- final FileTime creationTime = ntfsTimestamp.getCreateFileTime();
- if (creationTime != null) {
- super.setCreationTime(creationTime);
- }
- }
- }
- }