net.lingala.zip4j.model.FileHeader Maven / Gradle / Ivy

Go to download
Show more of this group Show more artifacts with this name
Show all versions of zip4j Show documentation
An open source java library to handle zip files
There is a newer version: 2.11.5
/*
 * Copyright 2010 Srikanth Reddy Lingala
 *
 * Licensed 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 net.lingala.zip4j.model;

import net.lingala.zip4j.headers.HeaderSignature;

import java.util.Objects;

public class FileHeader extends AbstractFileHeader {

  private int versionMadeBy;
  private int fileCommentLength = 0;
  private int diskNumberStart;
  private byte[] internalFileAttributes;
  private byte[] externalFileAttributes;
  private long offsetLocalHeader;
  private String fileComment;

  public FileHeader() {
    setSignature(HeaderSignature.CENTRAL_DIRECTORY);
  }

  public int getVersionMadeBy() {
    return versionMadeBy;
  }

  public void setVersionMadeBy(int versionMadeBy) {
    this.versionMadeBy = versionMadeBy;
  }

  public int getFileCommentLength() {
    return fileCommentLength;
  }

  public void setFileCommentLength(int fileCommentLength) {
    this.fileCommentLength = fileCommentLength;
  }

  public int getDiskNumberStart() {
    return diskNumberStart;
  }

  public void setDiskNumberStart(int diskNumberStart) {
    this.diskNumberStart = diskNumberStart;
  }

  public byte[] getInternalFileAttributes() {
    return internalFileAttributes;
  }

  public void setInternalFileAttributes(byte[] internalFileAttributes) {
    this.internalFileAttributes = internalFileAttributes;
  }

  public byte[] getExternalFileAttributes() {
    return externalFileAttributes;
  }

  public void setExternalFileAttributes(byte[] externalFileAttributes) {
    this.externalFileAttributes = externalFileAttributes;
  }

  public long getOffsetLocalHeader() {
    return offsetLocalHeader;
  }

  public void setOffsetLocalHeader(long offsetLocalHeader) {
    this.offsetLocalHeader = offsetLocalHeader;
  }

  public String getFileComment() {
    return fileComment;
  }

  public void setFileComment(String fileComment) {
    this.fileComment = fileComment;
  }

  @Override
  public String toString() {
    return getFileName();
  }

  @Override
  public boolean equals(Object o) {
    if (this == o) return true;
    if (o == null || getClass() != o.getClass()) return false;
    if (!super.equals(o)) return false;
    FileHeader that = (FileHeader) o;
    return determineOffsetOfLocalFileHeader(this) == determineOffsetOfLocalFileHeader(that);
  }

  @Override
  public int hashCode() {
    return Objects.hash(getFileName(), determineOffsetOfLocalFileHeader(this));
  }

  private long determineOffsetOfLocalFileHeader(FileHeader fileHeader) {
    if (fileHeader.getZip64ExtendedInfo() != null) {
      return fileHeader.getZip64ExtendedInfo().getOffsetLocalHeader();
    }

    return fileHeader.getOffsetLocalHeader();
  }
}