FileHeader.java

/*
* 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 java.util.ArrayList;

import net.lingala.zip4j.exception.ZipException;
import net.lingala.zip4j.progress.ProgressMonitor;
import net.lingala.zip4j.unzip.Unzip;
import net.lingala.zip4j.util.Zip4jUtil;

public class FileHeader {
	
	private int signature;
	
	private int versionMadeBy;
	
	private int versionNeededToExtract;
	
	private byte[] generalPurposeFlag;
	
	private int compressionMethod;
	
	private int lastModFileTime;
	
	private long crc32;
	
	private byte[] crcBuff;
	
	private long compressedSize;
	
	private long uncompressedSize;
	
	private int fileNameLength;
	
	private int extraFieldLength;
	
	private int fileCommentLength;
	
	private int diskNumberStart;
	
	private byte[] internalFileAttr;
	
	private byte[] externalFileAttr;
	
	private long offsetLocalHeader;
	
	private String fileName;
	
	private String fileComment;
	
	private boolean isDirectory;
	
	private boolean isEncrypted;
	
	private int encryptionMethod;
	
	private char[] password;
	
	private boolean dataDescriptorExists;
	
	private Zip64ExtendedInfo zip64ExtendedInfo;
	
	private AESExtraDataRecord aesExtraDataRecord;
	
	private ArrayList extraDataRecords;
	
	private boolean fileNameUTF8Encoded;
	
	public FileHeader() {
		encryptionMethod = -1;
		crc32 = 0;
		uncompressedSize = 0;
	}

	public int getSignature() {
		return signature;
	}

	public void setSignature(int signature) {
		this.signature = signature;
	}

	public int getVersionMadeBy() {
		return versionMadeBy;
	}

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

	public int getVersionNeededToExtract() {
		return versionNeededToExtract;
	}

	public void setVersionNeededToExtract(int versionNeededToExtract) {
		this.versionNeededToExtract = versionNeededToExtract;
	}

	public byte[] getGeneralPurposeFlag() {
		return generalPurposeFlag;
	}

	public void setGeneralPurposeFlag(byte[] generalPurposeFlag) {
		this.generalPurposeFlag = generalPurposeFlag;
	}

	public int getCompressionMethod() {
		return compressionMethod;
	}

	public void setCompressionMethod(int compressionMethod) {
		this.compressionMethod = compressionMethod;
	}

	public int getLastModFileTime() {
		return lastModFileTime;
	}

	public void setLastModFileTime(int lastModFileTime) {
		this.lastModFileTime = lastModFileTime;
	}

	public long getCrc32() {
		return crc32 & 0xffffffffL;
	}

	public void setCrc32(long crc32) {
		this.crc32 = crc32;
	}

	public long getCompressedSize() {
		return compressedSize;
	}

	public void setCompressedSize(long compressedSize) {
		this.compressedSize = compressedSize;
	}

	public long getUncompressedSize() {
		return uncompressedSize;
	}

	public void setUncompressedSize(long uncompressedSize) {
		this.uncompressedSize = uncompressedSize;
	}

	public int getFileNameLength() {
		return fileNameLength;
	}

	public void setFileNameLength(int fileNameLength) {
		this.fileNameLength = fileNameLength;
	}

	public int getExtraFieldLength() {
		return extraFieldLength;
	}

	public void setExtraFieldLength(int extraFieldLength) {
		this.extraFieldLength = extraFieldLength;
	}

	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[] getInternalFileAttr() {
		return internalFileAttr;
	}

	public void setInternalFileAttr(byte[] internalFileAttr) {
		this.internalFileAttr = internalFileAttr;
	}

	public byte[] getExternalFileAttr() {
		return externalFileAttr;
	}

	public void setExternalFileAttr(byte[] externalFileAttr) {
		this.externalFileAttr = externalFileAttr;
	}

	public long getOffsetLocalHeader() {
		return offsetLocalHeader;
	}

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

	public String getFileName() {
		return fileName;
	}

	public void setFileName(String fileName) {
		this.fileName = fileName;
	}

	public String getFileComment() {
		return fileComment;
	}

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

	public boolean isDirectory() {
		return isDirectory;
	}

	public void setDirectory(boolean isDirectory) {
		this.isDirectory = isDirectory;
	}
	
	/**
	 * Extracts file to the specified directory
	 * @param zipModel
	 * @param outPath
	 * @throws ZipException
	 */
	public void extractFile(ZipModel zipModel, String outPath, 
			ProgressMonitor progressMonitor, boolean runInThread) throws ZipException {
		extractFile(zipModel, outPath, null, progressMonitor, runInThread);
	}
	
	/**
	 * Extracts file to the specified directory using any 
	 * user defined parameters in UnzipParameters
	 * @param zipModel
	 * @param outPath
	 * @param unzipParameters
	 * @throws ZipException
	 */
	public void extractFile(ZipModel zipModel, String outPath, 
			UnzipParameters unzipParameters, ProgressMonitor progressMonitor, boolean runInThread) throws ZipException {
		extractFile(zipModel, outPath, unzipParameters, null, progressMonitor, runInThread);
	}
	
	/**
	 * Extracts file to the specified directory using any 
	 * user defined parameters in UnzipParameters. Output file name
	 * will be overwritten with the value in newFileName. If this 
	 * parameter is null, then file name will be the same as in 
	 * FileHeader.getFileName
	 * @param zipModel
	 * @param outPath
	 * @param unzipParameters
	 * @throws ZipException
	 */
	public void extractFile(ZipModel zipModel, String outPath, 
			UnzipParameters unzipParameters, String newFileName, 
			ProgressMonitor progressMonitor, boolean runInThread) throws ZipException {
		if (zipModel == null) {
			throw new ZipException("input zipModel is null");
		}
		
		if (!Zip4jUtil.checkOutputFolder(outPath)) {
			throw new ZipException("Invalid output path");
		}
		
		if (this == null) {
			throw new ZipException("invalid file header");
		}
		Unzip unzip = new Unzip(zipModel);
		unzip.extractFile(this, outPath, unzipParameters, newFileName, progressMonitor, runInThread);
	}

	public boolean isEncrypted() {
		return isEncrypted;
	}

	public void setEncrypted(boolean isEncrypted) {
		this.isEncrypted = isEncrypted;
	}

	public int getEncryptionMethod() {
		return encryptionMethod;
	}

	public void setEncryptionMethod(int encryptionMethod) {
		this.encryptionMethod = encryptionMethod;
	}
	
	public char[] getPassword() {
		return password;
	}

	public void setPassword(char[] password) {
		this.password = password;
	}

	public byte[] getCrcBuff() {
		return crcBuff;
	}

	public void setCrcBuff(byte[] crcBuff) {
		this.crcBuff = crcBuff;
	}

	public ArrayList getExtraDataRecords() {
		return extraDataRecords;
	}

	public void setExtraDataRecords(ArrayList extraDataRecords) {
		this.extraDataRecords = extraDataRecords;
	}

	public boolean isDataDescriptorExists() {
		return dataDescriptorExists;
	}

	public void setDataDescriptorExists(boolean dataDescriptorExists) {
		this.dataDescriptorExists = dataDescriptorExists;
	}

	public Zip64ExtendedInfo getZip64ExtendedInfo() {
		return zip64ExtendedInfo;
	}

	public void setZip64ExtendedInfo(Zip64ExtendedInfo zip64ExtendedInfo) {
		this.zip64ExtendedInfo = zip64ExtendedInfo;
	}

	public AESExtraDataRecord getAesExtraDataRecord() {
		return aesExtraDataRecord;
	}

	public void setAesExtraDataRecord(AESExtraDataRecord aesExtraDataRecord) {
		this.aesExtraDataRecord = aesExtraDataRecord;
	}

	public boolean isFileNameUTF8Encoded() {
		return fileNameUTF8Encoded;
	}

	public void setFileNameUTF8Encoded(boolean fileNameUTF8Encoded) {
		this.fileNameUTF8Encoded = fileNameUTF8Encoded;
	}

	
		
}