diff options
Diffstat (limited to 'src/com/github/junrar/rarfile/FileHeader.java')
| -rw-r--r-- | src/com/github/junrar/rarfile/FileHeader.java | 421 |
1 files changed, 0 insertions, 421 deletions
diff --git a/src/com/github/junrar/rarfile/FileHeader.java b/src/com/github/junrar/rarfile/FileHeader.java deleted file mode 100644 index 84dce5e..0000000 --- a/src/com/github/junrar/rarfile/FileHeader.java +++ /dev/null @@ -1,421 +0,0 @@ -/*
- * Copyright (c) 2007 innoSysTec (R) GmbH, Germany. All rights reserved.
- * Original author: Edmund Wagner
- * Creation date: 22.05.2007
- *
- * Source: $HeadURL$
- * Last changed: $LastChangedDate$
- *
- *
- * the unrar licence applies to all junrar source and binary distributions
- * you are not allowed to use this source to re-create the RAR compression algorithm
- *
- * Here some html entities which can be used for escaping javadoc tags:
- * "&": "&" or "&"
- * "<": "<" or "<"
- * ">": ">" or ">"
- * "@": "@"
- */
-package com.github.junrar.rarfile;
-
-import java.util.Calendar;
-import java.util.Date;
-
-import org.apache.commons.logging.Log;
-
-import com.github.junrar.io.Raw;
-
-
-/**
- * DOCUMENT ME
- *
- * @author $LastChangedBy$
- * @version $LastChangedRevision$
- */
-public class FileHeader extends BlockHeader {
-
- //private final Log //logger = LogFactory.getLog(FileHeader.class.getName());
-
- private static final byte SALT_SIZE = 8;
-
- private static final byte NEWLHD_SIZE = 32;
-
- private long unpSize;
-
- private final HostSystem hostOS;
-
- private final int fileCRC;
-
- private final int fileTime;
-
- private byte unpVersion;
-
- private byte unpMethod;
-
- private short nameSize;
-
- private int highPackSize;
-
- private int highUnpackSize;
-
- private final byte[] fileNameBytes;
-
- private String fileName;
- private String fileNameW;
-
- private byte[] subData;
-
- private final byte[] salt = new byte[SALT_SIZE];
-
- private Date mTime;
-
- private Date cTime;
-
- private Date aTime;
-
- private Date arcTime;
-
- private long fullPackSize;
-
- private long fullUnpackSize;
-
- private int fileAttr;
-
- private int subFlags; // same as fileAttr (in header)
-
- private int recoverySectors = -1;
-
- public FileHeader(BlockHeader bh, byte[] fileHeader) {
- super(bh);
-
- int position = 0;
- unpSize = Raw.readIntLittleEndianAsLong(fileHeader, position);
- position += 4;
- hostOS = HostSystem.findHostSystem(fileHeader[4]);
- position++;
-
- fileCRC = Raw.readIntLittleEndian(fileHeader, position);
- position += 4;
-
- fileTime = Raw.readIntLittleEndian(fileHeader, position);
- position += 4;
-
- unpVersion |= fileHeader[13] & 0xff;
- position++;
- unpMethod |= fileHeader[14] & 0xff;
- position++;
- nameSize = Raw.readShortLittleEndian(fileHeader, position);
- position += 2;
-
- fileAttr = Raw.readIntLittleEndian(fileHeader, position);
- position += 4;
- if (isLargeBlock()) {
- highPackSize = Raw.readIntLittleEndian(fileHeader, position);
- position += 4;
-
- highUnpackSize = Raw.readIntLittleEndian(fileHeader, position);
- position += 4;
- } else {
- highPackSize = 0;
- highUnpackSize = 0;
- if (unpSize == 0xffffffff) {
-
- unpSize = 0xffffffff;
- highUnpackSize = Integer.MAX_VALUE;
- }
-
- }
- fullPackSize |= highPackSize;
- fullPackSize <<= 32;
- fullPackSize |= getPackSize();
-
- fullUnpackSize |= highUnpackSize;
- fullUnpackSize <<= 32;
- fullUnpackSize += unpSize;
-
- nameSize = nameSize > 4 * 1024 ? 4 * 1024 : nameSize;
-
- fileNameBytes = new byte[nameSize];
- for (int i = 0; i < nameSize; i++) {
- fileNameBytes[i] = fileHeader[position];
- position++;
- }
-
- if (isFileHeader()) {
- if (isUnicode()) {
- int length = 0;
- fileName = "";
- fileNameW = "";
- while (length < fileNameBytes.length
- && fileNameBytes[length] != 0) {
- length++;
- }
- byte[] name = new byte[length];
- System.arraycopy(fileNameBytes, 0, name, 0, name.length);
- fileName = new String(name);
- if (length != nameSize) {
- length++;
- fileNameW = FileNameDecoder.decode(fileNameBytes, length);
- }
- } else {
- fileName = new String(fileNameBytes);
- fileNameW = "";
- }
- }
-
- if (UnrarHeadertype.NewSubHeader.equals(headerType)) {
- int datasize = headerSize - NEWLHD_SIZE - nameSize;
- if (hasSalt()) {
- datasize -= SALT_SIZE;
- }
- if (datasize > 0) {
- subData = new byte[datasize];
- for (int i = 0; i < datasize; i++) {
- subData[i] = (fileHeader[position]);
- position++;
- }
- }
-
- if (NewSubHeaderType.SUBHEAD_TYPE_RR.byteEquals(fileNameBytes)) {
- recoverySectors = subData[8] + (subData[9] << 8)
- + (subData[10] << 16) + (subData[11] << 24);
- }
- }
-
- if (hasSalt()) {
- for (int i = 0; i < SALT_SIZE; i++) {
- salt[i] = fileHeader[position];
- position++;
- }
- }
- mTime = getDateDos(fileTime);
- // TODO rartime -> extended
-
- }
-
- @Override
- public void print() {
- super.print();
- StringBuilder str = new StringBuilder();
- str.append("unpSize: " + getUnpSize());
- str.append("\nHostOS: " + hostOS.name());
- str.append("\nMDate: " + mTime);
- str.append("\nFileName: " + getFileNameString());
- str.append("\nunpMethod: " + Integer.toHexString(getUnpMethod()));
- str.append("\nunpVersion: " + Integer.toHexString(getUnpVersion()));
- str.append("\nfullpackedsize: " + getFullPackSize());
- str.append("\nfullunpackedsize: " + getFullUnpackSize());
- str.append("\nisEncrypted: " + isEncrypted());
- str.append("\nisfileHeader: " + isFileHeader());
- str.append("\nisSolid: " + isSolid());
- str.append("\nisSplitafter: " + isSplitAfter());
- str.append("\nisSplitBefore:" + isSplitBefore());
- str.append("\nunpSize: " + getUnpSize());
- str.append("\ndataSize: " + getDataSize());
- str.append("\nisUnicode: " + isUnicode());
- str.append("\nhasVolumeNumber: " + hasVolumeNumber());
- str.append("\nhasArchiveDataCRC: " + hasArchiveDataCRC());
- str.append("\nhasSalt: " + hasSalt());
- str.append("\nhasEncryptVersions: " + hasEncryptVersion());
- str.append("\nisSubBlock: " + isSubBlock());
- //logger.info(str.toString());
- }
-
- private Date getDateDos(int time) {
- Calendar cal = Calendar.getInstance();
- cal.set(Calendar.YEAR, (time >>> 25) + 1980);
- cal.set(Calendar.MONTH, ((time >>> 21) & 0x0f) - 1);
- cal.set(Calendar.DAY_OF_MONTH, (time >>> 16) & 0x1f);
- cal.set(Calendar.HOUR_OF_DAY, (time >>> 11) & 0x1f);
- cal.set(Calendar.MINUTE, (time >>> 5) & 0x3f);
- cal.set(Calendar.SECOND, (time & 0x1f) * 2);
- return cal.getTime();
- }
-
- public Date getArcTime() {
- return arcTime;
- }
-
- public void setArcTime(Date arcTime) {
- this.arcTime = arcTime;
- }
-
- public Date getATime() {
- return aTime;
- }
-
- public void setATime(Date time) {
- aTime = time;
- }
-
- public Date getCTime() {
- return cTime;
- }
-
- public void setCTime(Date time) {
- cTime = time;
- }
-
- public int getFileAttr() {
- return fileAttr;
- }
-
- public void setFileAttr(int fileAttr) {
- this.fileAttr = fileAttr;
- }
-
- public int getFileCRC() {
- return fileCRC;
- }
-
- public byte[] getFileNameByteArray() {
- return fileNameBytes;
- }
-
- public String getFileNameString() {
- return fileName;
- }
-
- public void setFileName(String fileName) {
- this.fileName = fileName;
- }
-
- public String getFileNameW() {
- return fileNameW;
- }
-
- public void setFileNameW(String fileNameW) {
- this.fileNameW = fileNameW;
- }
-
- public int getHighPackSize() {
- return highPackSize;
- }
-
- public int getHighUnpackSize() {
- return highUnpackSize;
- }
-
- public HostSystem getHostOS() {
- return hostOS;
- }
-
- public Date getMTime() {
- return mTime;
- }
-
- public void setMTime(Date time) {
- mTime = time;
- }
-
- public short getNameSize() {
- return nameSize;
- }
-
- public int getRecoverySectors() {
- return recoverySectors;
- }
-
- public byte[] getSalt() {
- return salt;
- }
-
- public byte[] getSubData() {
- return subData;
- }
-
- public int getSubFlags() {
- return subFlags;
- }
-
- public byte getUnpMethod() {
- return unpMethod;
- }
-
- public long getUnpSize() {
- return unpSize;
- }
-
- public byte getUnpVersion() {
- return unpVersion;
- }
-
- public long getFullPackSize() {
- return fullPackSize;
- }
-
- public long getFullUnpackSize() {
- return fullUnpackSize;
- }
-
- @Override
- public String toString() {
- return super.toString();
- }
-
- /**
- * the file will be continued in the next archive part
- *
- * @return
- */
- public boolean isSplitAfter() {
- return (this.flags & BlockHeader.LHD_SPLIT_AFTER) != 0;
- }
-
- /**
- * the file is continued in this archive
- *
- * @return
- */
- public boolean isSplitBefore() {
- return (this.flags & LHD_SPLIT_BEFORE) != 0;
- }
-
- /**
- * this file is compressed as solid (all files handeled as one)
- *
- * @return
- */
- public boolean isSolid() {
- return (this.flags & LHD_SOLID) != 0;
- }
-
- /**
- * the file is encrypted
- *
- * @return
- */
- public boolean isEncrypted() {
- return (this.flags & BlockHeader.LHD_PASSWORD) != 0;
- }
-
- /**
- * the filename is also present in unicode
- *
- * @return
- */
- public boolean isUnicode() {
- return (flags & LHD_UNICODE) != 0;
- }
-
- public boolean isFileHeader() {
- return UnrarHeadertype.FileHeader.equals(headerType);
- }
-
- public boolean hasSalt() {
- return (flags & LHD_SALT) != 0;
- }
-
- public boolean isLargeBlock() {
- return (flags & LHD_LARGE) != 0;
- }
-
- /**
- * whether this fileheader represents a directory
- *
- * @return
- */
- public boolean isDirectory() {
- return (flags & LHD_WINDOWMASK) == LHD_DIRECTORY;
- }
-}
|