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|
/** @file
GenFfsFileTask class.
GenFfsFileTaks is to generate ffs file.
Copyright (c) 2006, Intel Corporation
All rights reserved. This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License
which accompanies this distribution. The full text of the license may be found at
http://opensource.org/licenses/bsd-license.php
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
**/
package org.tianocore.framework.tasks;
import java.io.DataInputStream;
import java.io.DataOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import org.apache.tools.ant.BuildException;
import org.apache.tools.ant.Project;
import org.apache.tools.ant.Task;
/**
GenFfsFileTask
GenFfsFileTaks is to generate ffs file.
**/
public class GenFfsFileTask extends Task implements EfiDefine, FfsTypes {
/**
* GenFfsFile Task Class
* class member
* -baseName : module baseName
* -ffsFileGuid : module Guid.
* -ffsFileType : Ffs file type.
* -ffsAttributeRecovery : The file is required for recovery.
* -ffsAligment : The file data alignment (0 if none required). See FFS
* specification for supported alignments (0-7 are only possible
* values). *
* -ffsAttributeCheckSum : The file data is checksummed. If this is FALSE a
* value of 0x5A will be inserted in the file
* checksum field of the file header. *
* -sectFileDir : specifies the full path to the component build directory.
* Required.
* -ffsAttrib : Data recorde attribute added result.
* -sectionList : List recorded all section elemet in task.
*/
///
/// module baseName
///
String baseName = "";
///
/// module Guid
///
String ffsFileGuid = "";
///
/// Ffs file type
///
String ffsFileType = "";
///
/// ffsAttribHeaderExtension value is used to set the corresponding bit in
/// the output FFS file header
///
boolean ffsAttribHeaderExtension = false;
///
/// ffsAttribTailPresent value is used to set the corresponding bit in the
/// output FFS file header
///
boolean ffsAttribTailPresent = false;
///
/// ffsAttribRecovery value is used to set the corresponding bit in the
/// output FFS file header
///
boolean ffsAttribRecovery = false;
///
/// ffsAligenment value is used to set the corresponding bit in the output
/// FFS file header.The specified FFS alignment must be a value between 0
/// and 7 inclusive
///
int ffsAlignment = 0;
///
/// ffsAttribChecksum value is used to set the corresponding bit in the
/// output FFS file header
///
boolean FfsAttribChecksum = false;
///
/// Attribute is used to record the sum of all bit in the output FFS file.
///
byte attributes = 0;
///
/// The output directory of ffs file.
///
String outputDir = "";
///
/// List of section.
///
List<Object> sectionList = new ArrayList<Object>();
///
/// The path of Framewor_Tools_Paht.
///
static String path = "";
/**
execute
GenFfsFileTask execute is to generate ffs file according to input section
dscriptive information.
**/
public void execute() throws BuildException {
Section sect;
int fileSize;
int orgFileSize;
int fileDataSize;
int orgFileDataSize;
File ffsFile;
File ffsOrgFile;
FfsHeader ffsHeader = new FfsHeader();
FfsHeader orgFfsHeader = new FfsHeader();
String ffsSuffix = "";
String outputPath = "";
//
// Get Fraemwork_Tools_Path
//
Project pj = this.getOwningTarget().getProject();
path = pj.getProperty("env.FRAMEWORK_TOOLS_PATH");
//
// Check does the BaseName, Guid, FileType set value.
//
if (this.baseName.equals("")) {
throw new BuildException ("Must set BaseName!\n");
}
if (this.ffsFileGuid.equals("")) {
throw new BuildException ("Must set ffsFileGuid!\n");
}
if (this.ffsFileType.equals("")) {
throw new BuildException ("Must set ffsFileType!\n");
}
//
// Create ffs file. File name = FfsFileGuid + BaseName + ffsSuffix.
// If outputDir's value was set, file will output to the outputDir.
//
ffsSuffix = TypeToSuffix (this.ffsFileType);
if (!this.outputDir.equals("")) {
String temp;
outputPath = this.outputDir;
temp = outputPath.replace('\\', File.separatorChar);
outputPath = temp.replace('/', File.separatorChar);
if (outputPath.charAt(outputPath.length()-1) != File.separatorChar) {
outputPath = outputPath + File.separator;
}
}
ffsFile = new File (outputPath + this.ffsFileGuid + '-' + this.baseName + ffsSuffix);
System.out.print("General Ffs file: file name is:\n");
System.out.print(outputPath + this.ffsFileGuid + '-' + this.baseName + ffsSuffix);
System.out.print("\n");
//
// Create ffs ORG file. fileName = FfsFileGuid + BaseName + ffsSuffix +
// ".org".
//
ffsOrgFile = new File(outputPath + this.ffsFileGuid + '-' + this.baseName + ffsSuffix + ".org");
try {
//
// Create file output stream -- dataBuffer.
//
FileOutputStream dataFs = new FileOutputStream (ffsFile.getAbsolutePath());
DataOutputStream dataBuffer = new DataOutputStream (dataFs);
//
// Create org file output stream -- orgDataBuffer
//
FileOutputStream orgDataFs = new FileOutputStream (ffsOrgFile.getAbsolutePath());
DataOutputStream orgDataBuffer = new DataOutputStream (orgDataFs);
//
// Search SectionList find earch section and call it's
// ToBuffer function.
//
Iterator sectionIter = this.sectionList.iterator();
while (sectionIter.hasNext()) {
sect = (Section)sectionIter.next();
try {
//
// The last section don't need 4 byte ffsAligment.
//
sect.toBuffer((DataOutputStream)dataBuffer, (DataOutputStream) orgDataBuffer);
} catch (Exception e) {
throw new BuildException (e.getMessage());
}
}
dataBuffer.close();
} catch (Exception e) {
throw new BuildException (e.getMessage());
}
//
// Creat Ffs file header
//
try {
//
// create input stream to read file data
//
byte[] fileBuffer = new byte[(int)ffsFile.length()];
FileInputStream fi = new FileInputStream (ffsFile.getAbsolutePath());
DataInputStream di = new DataInputStream (fi);
di.read(fileBuffer);
di.close();
//
// create input org stream to read file data
//
byte[] orgFileBuffer = new byte[(int)ffsOrgFile.length()];
FileInputStream ofi = new FileInputStream (ffsOrgFile.getAbsolutePath());
DataInputStream odi = new DataInputStream (ofi);
odi.read(orgFileBuffer);
odi.close();
//
// Add GUID to header struct
//
if (this.ffsFileGuid != null) {
stringToGuid (this.ffsFileGuid, ffsHeader.name);
//
// Add Guid to org header struct
//
stringToGuid (this.ffsFileGuid, orgFfsHeader.name);
}
ffsHeader.ffsAttributes = this.attributes;
if ((ffsHeader.fileType = stringToType(this.ffsFileType))== -1) {
throw new BuildException ("FFS_FILE_TYPE unknow!\n");
}
//
// Copy ffsHeader.ffsAttribute and fileType to orgFfsHeader.ffsAttribute
// and fileType
//
orgFfsHeader.ffsAttributes = ffsHeader.ffsAttributes;
orgFfsHeader.fileType = ffsHeader.fileType;
//
// Adjust file size. The function is used to tripe the last
// section padding of 4 binary boundary.
//
//
if (ffsHeader.fileType != EFI_FV_FILETYPE_RAW) {
fileDataSize = adjustFileSize (fileBuffer);
orgFileDataSize = adjustFileSize (orgFileBuffer);
} else {
fileDataSize = fileBuffer.length;
orgFileDataSize = orgFileBuffer.length;
}
//
// 1. add header size to file size
//
fileSize = fileDataSize + ffsHeader.getSize();
//
// add header size to org file size
//
orgFileSize = orgFileDataSize + ffsHeader.getSize();
if ((ffsHeader.ffsAttributes & FFS_ATTRIB_TAIL_PRESENT) != 0) {
if (ffsHeader.fileType == EFI_FV_FILETYPE_FFS_PAD) {
throw new BuildException (
"FFS_ATTRIB_TAIL_PRESENT=TRUE is " +
"invalid for PAD files"
);
}
if (fileSize == ffsHeader.getSize()) {
throw new BuildException (
"FFS_ATTRIB_TAIL_PRESENT=TRUE is " +
"invalid for 0-length files"
);
}
fileSize = fileSize + 2;
orgFileSize = orgFileSize + 2;
}
//
// 2. set file size to header struct
//
ffsHeader.ffsFileSize[0] = (byte)(fileSize & 0x00FF);
ffsHeader.ffsFileSize[1] = (byte)((fileSize & 0x00FF00)>>8);
ffsHeader.ffsFileSize[2] = (byte)(((int)fileSize & 0xFF0000)>>16);
//
// set file size to org header struct
//
orgFfsHeader.ffsFileSize[0] = (byte)(orgFileSize & 0x00FF);
orgFfsHeader.ffsFileSize[1] = (byte)((orgFileSize & 0x00FF00)>>8);
orgFfsHeader.ffsFileSize[2] = (byte)(((int)orgFileSize & 0xFF0000)>>16);
//
// Fill in checksums and state, these must be zero for checksumming
//
ffsHeader.integrityCheck.header = calculateChecksum8 (
ffsHeader.structToBuffer(),
ffsHeader.getSize()
);
//
// Fill in org file's header check sum and state
//
orgFfsHeader.integrityCheck.header = calculateChecksum8 (
orgFfsHeader.structToBuffer(),
orgFfsHeader.getSize()
);
if ((this.attributes & FFS_ATTRIB_CHECKSUM) != 0) {
if ((this.attributes & FFS_ATTRIB_TAIL_PRESENT) != 0) {
ffsHeader.integrityCheck.file = calculateChecksum8 (
fileBuffer,
fileDataSize
);
//
// Add org file header
//
orgFfsHeader.integrityCheck.file = calculateChecksum8 (
orgFileBuffer,
orgFileDataSize
);
} else {
ffsHeader.integrityCheck.file = calculateChecksum8 (
fileBuffer,
fileDataSize
);
//
// Add org file header
//
orgFfsHeader.integrityCheck.file = calculateChecksum8 (
orgFileBuffer,
orgFileDataSize
);
}
} else {
ffsHeader.integrityCheck.file = FFS_FIXED_CHECKSUM;
orgFfsHeader.integrityCheck.file = FFS_FIXED_CHECKSUM;
}
//
// Set the state now. Spec says the checksum assumes the state is 0.
//
ffsHeader.ffsState = EFI_FILE_HEADER_CONSTRUCTION |
EFI_FILE_HEADER_VALID |
EFI_FILE_DATA_VALID;
orgFfsHeader.integrityCheck.file = ffsHeader.ffsState;
//
// create output stream to first write header data in file, then write sect data in file.
//
FileOutputStream headerFfs = new FileOutputStream (ffsFile.getAbsolutePath());
DataOutputStream ffsBuffer = new DataOutputStream (headerFfs);
FileOutputStream orgHeaderFfs = new FileOutputStream (ffsOrgFile.getAbsolutePath());
DataOutputStream orgFfsBuffer = new DataOutputStream (orgHeaderFfs);
//
// Add header struct and file data to FFS file
//
ffsBuffer.write(ffsHeader.structToBuffer());
orgFfsBuffer.write(orgFfsHeader.structToBuffer());
for (int i = 0; i< fileDataSize; i++) {
ffsBuffer.write(fileBuffer[i]);
}
for (int i = 0; i < orgFileDataSize; i++){
orgFfsBuffer.write(orgFileBuffer[i]);
}
//
// If there is a tail, then set it
//
if ((this.attributes & FFS_ATTRIB_TAIL_PRESENT) != 0) {
short tailValue ;
byte [] tailByte = new byte[2];
//
// reverse tailvalue , integritycheck.file as hight byte, and
// integritycheck.header as low byte.
//
tailValue = (short)(ffsHeader.integrityCheck.header & 0xff);
tailValue = (short)((tailValue) | ((ffsHeader.integrityCheck.file << 8) & 0xff00));
tailValue = (short)~tailValue;
//
// Change short to byte[2]
//
tailByte[0] = (byte)(tailValue & 0xff);
tailByte[1] = (byte)((tailValue & 0xff00)>>8);
ffsBuffer.write(tailByte[0]);
ffsBuffer.write(tailByte[1]);
orgFfsBuffer.write(tailByte[0]);
orgFfsBuffer.write(tailByte[1]);
}
//
// close output stream. Note if don't close output stream
// the buffer can't be rewritten to file.
//
ffsBuffer.close();
orgFfsBuffer.close();
System.out.print ("Successful create ffs file!\n");
} catch (Exception e) {
throw new BuildException (e.getMessage());
}
}
/**
addCompress
This function is to add compress section to section list.
@param compress Section of compress
**/
public void addCompress(CompressSection compress) {
this.sectionList.add(compress);
}
/**
addTool
This function is to add tool section to section list.
@param tool Section of tool
**/
public void addTool(Tool tool) {
this.sectionList.add(tool);
}
/**
addSectionFile
This function is to add sectFile section to section list.
@param sectFile Section of sectFile.
**/
public void addSectFile (SectFile sectFile) {
this.sectionList.add(sectFile);
}
/**
getBaseName
This function is to get basename
@return String of base name
**/
public String getBaseName() {
return this.baseName;
}
/**
setBaseName
This function is to set base name.
@param baseName
**/
public void setBaseName(String baseName) {
this.baseName = baseName.trim();
}
/**
getFfsAligment
This function is to get the ffsAligment
@return The value of ffsAligment.
**/
public int getFfsAligment() {
return this.ffsAlignment;
}
/**
setFfsAligment
This function is to set ffsAligment
@param ffsAligment The value of ffsAligment.
**/
public void setFfsAligment(int ffsAligment) {
this.ffsAlignment = ffsAligment;
if (this.ffsAlignment > 7) {
throw new BuildException ("FFS_ALIGMENT Scope is 0-7");
} else {
attributes |= (((byte)this.ffsAlignment) << 3);
}
}
/**
getFfsAttribCheckSum
This function is to get ffsAttribCheckSum
@return Value of ffsAttribChecksum
**/
public boolean getFfsAttribChecksum() {
return this.FfsAttribChecksum;
}
/**
setFfsAttribChecksum
This function is to set ffsAttribChecksum
@param ffsAttributeCheckSum Value of ffsAttribCheckSum
**/
public void setFfsAttribChecksum(boolean ffsAttributeCheckSum) {
this.FfsAttribChecksum = ffsAttributeCheckSum;
if (ffsAttributeCheckSum) {
attributes |= FFS_ATTRIB_CHECKSUM;
}
}
/**
getFfsAttribRecovery
This function is to get ffsAttribRecovery
@return Value of ffsAttribRecovery
**/
public boolean getFfsAttribRecovery() {
return this.ffsAttribRecovery;
}
/**
setRecovery
This function is to set ffsAttributeRecovery
@param ffsAttributeRecovery Value of ffsAttributeRecovery
**/
public void setRecovery(boolean ffsAttributeRecovery) {
this.ffsAttribRecovery = ffsAttributeRecovery;
if (ffsAttributeRecovery) {
attributes |= FFS_ATTRIB_RECOVERY;
}
}
/**
getFileGuid
This function is to get fileGuid
@return Guid
**/
public String getFileGuid() {
return this.ffsFileGuid;
}
/**
setFileGuid
This function is to set fileGuid
@param ffsFileGuid String of GUID
**/
public void setFileGuid(String ffsFileGuid) {
this.ffsFileGuid = ffsFileGuid.trim();
}
/**
getFfsFileType
This function is to get ffsFileType.
@return value of ffsFileType
**/
public String getFfsFileType() {
return this.ffsFileType;
}
/**
setFfsFileType
This function is to set ffsFileType.
@param ffsFileType
**/
public void setFfsFileType(String ffsFileType) {
this.ffsFileType = ffsFileType.trim();
}
/**
ffsAttribHeaderExtension
This function is to get ffsAttribHeaderExtension
@return Value of ffsAttribHeaderExtension
**/
public boolean isFfsAttribHeaderExtension() {
return this.ffsAttribHeaderExtension;
}
/**
setHeaderExension
This function is to set headerExtension
@param headerExtension Value of headerExension
**/
public void setHeaderExtension(boolean headerExtension) {
this.ffsAttribHeaderExtension = headerExtension;
if (headerExtension) {
attributes |= FFS_ATTRIB_HEADER_EXTENSION;
}
}
/**
isFfsAttribTailPresent
This function is to get ffsAttribTailPresent value.
@return Value of ffsAttribTailPresent.
**/
public boolean isFfsAttribTailPresent() {
return this.ffsAttribTailPresent;
}
/**
setFfsAttribTailPresent
This function is to set ffsAttribTailPresent.
@param tailPresent Value of ffsAttribTailPresent.
**/
public void setFfsAttribTailPresent(boolean tailPresent) {
this.ffsAttribTailPresent = tailPresent;
if (tailPresent) {
attributes |= FFS_ATTRIB_TAIL_PRESENT;
}
}
/**
stringToGuid
This function is to convert string to GUID.
* @param GuidStr String of GUID.
* @param Guid GUID form.
*/
private void stringToGuid (String GuidStr, FfsHeader.FfsGuid Guid){
int i = 0;
int j = 0;
int k = 0;
char [] charArry;
String [] SplitStr;
byte[] buffer = new byte[16];
if (GuidStr.length()!=36) {
throw new BuildException ("Guid length is not correct!");
}
SplitStr = GuidStr.split("-");
if (SplitStr.length != 5) {
throw new BuildException ("Guid type is not correct!");
}
for (i= 0; i < SplitStr.length; i++) {
String str = SplitStr[i];
charArry = str.toCharArray();
for (j =0; j < (str.toCharArray().length)/2; j++) {
buffer[k] = hexCharToByte (charArry[j*2]);
buffer[k] = (byte)( buffer[k]& 0x0f);
buffer[k] = (byte)((buffer[k]<< 4));
buffer[k] = (byte)( buffer[k]& 0xf0);
buffer[k] = (byte)( buffer[k]|hexCharToByte(charArry[j*2+1]));
k++;
}
}
Guid.bufferToStruct(buffer);
}
/**
typeToSuffix
This function is to get suffix of ffs file according to ffsFileType.
@param ffsFileType ffsFileType
@return The suffix of ffs file
**/
private String TypeToSuffix (String ffsFileType){
if (ffsFileType.equals("EFI_FV_FILETYPE_ALL")) {
return "";
}
if (ffsFileType.equals("EFI_FV_FILETYPE_RAW")) {
return EFI_FV_FFS_FILETYPE_STR;
}
if (ffsFileType.equals("EFI_FV_FILETYPE_FREEFORM")) {
return EFI_FV_FFS_FILETYPE_STR;
}
if (ffsFileType.equals("EFI_FV_FILETYPE_SECURITY_CORE")) {
return EFI_FV_SEC_FILETYPE_STR;
}
if (ffsFileType.equals("EFI_FV_FILETYPE_PEI_CORE")) {
return EFI_FV_PEI_FILETYPE_STR;
}
if (ffsFileType.equals("EFI_FV_FILETYPE_DXE_CORE")) {
return EFI_FV_DXE_FILETYPE_STR;
}
if (ffsFileType.equals("EFI_FV_FILETYPE_PEIM")) {
return EFI_FV_PEI_FILETYPE_STR;
}
if (ffsFileType.equals("EFI_FV_FILETYPE_DRIVER")) {
return EFI_FV_DXE_FILETYPE_STR;
}
if (ffsFileType.equals("EFI_FV_FILETYPE_COMBINED_PEIM_DRIVER")) {
return EFI_FV_PEI_FILETYPE_STR;
}
if (ffsFileType.equals("EFI_FV_FILETYPE_APPLICATION")) {
return EFI_FV_APP_FILETYPE_STR;
}
if (ffsFileType.equals("EFI_FV_FILETYPE_FIRMWARE_VOLUME_IMAGE")) {
return EFI_FV_FVI_FILETYPE_STR;
}
if (ffsFileType.equals("EFI_FV_FILETYPE_FFS_PAD")) {
return EFI_FV_FFS_FILETYPE_STR;
}
return "";
}
/**
stringToType
This function is to get ffsFileType integer value according to ffsFileType.
@param ffsFileType String value of ffsFileType
@return Integer value of ffsFileType.
**/
private byte stringToType (String ffsFileType){
if (ffsFileType.equals("EFI_FV_FILETYPE_ALL")) {
return(byte)EFI_FV_FILETYPE_ALL;
}
if (ffsFileType.equals("EFI_FV_FILETYPE_RAW")) {
return(byte)EFI_FV_FILETYPE_RAW;
}
if (ffsFileType.equals("EFI_FV_FILETYPE_FREEFORM")) {
return(byte)EFI_FV_FILETYPE_FREEFORM;
}
if (ffsFileType.equals("EFI_FV_FILETYPE_SECURITY_CORE")) {
return(byte)EFI_FV_FILETYPE_SECURITY_CORE;
}
if (ffsFileType.equals("EFI_FV_FILETYPE_PEI_CORE")) {
return(byte) EFI_FV_FILETYPE_PEI_CORE;
}
if (ffsFileType.equals("EFI_FV_FILETYPE_DXE_CORE")) {
return(byte)EFI_FV_FILETYPE_DXE_CORE;
}
if (ffsFileType.equals("EFI_FV_FILETYPE_PEIM")) {
return(byte)EFI_FV_FILETYPE_PEIM;
}
if (ffsFileType.equals("EFI_FV_FILETYPE_DRIVER")) {
return(byte) EFI_FV_FILETYPE_DRIVER;
}
if (ffsFileType.equals("EFI_FV_FILETYPE_COMBINED_PEIM_DRIVER")) {
return(byte)EFI_FV_FILETYPE_COMBINED_PEIM_DRIVER;
}
if (ffsFileType.equals("EFI_FV_FILETYPE_APPLICATION")) {
return(byte)EFI_FV_FILETYPE_APPLICATION;
}
if (ffsFileType.equals("EFI_FV_FILETYPE_FIRMWARE_VOLUME_IMAGE")) {
return(byte)EFI_FV_FILETYPE_FIRMWARE_VOLUME_IMAGE;
}
if (ffsFileType.equals("EFI_FV_FILETYPE_FFS_PAD")) {
return(byte) EFI_FV_FILETYPE_FFS_PAD;
}
return -1;
}
/**
calculateCheckSum8
This function is to calculate the value needed for a valid UINT8 checksum
@param buffer Byte buffer containing byte data of component.
@param size Size of the buffer.
@return The 8 bit checksum value needed.
**/
private byte calculateChecksum8 (byte[] buffer, int size){
return(byte) (0x100 - calculateSum8 (buffer, size));
}
/**
calculateSum8
This function is to calculate the UINT8 sum for the requested region.
@param buffer Byte buffer containing byte data of component
@param size Size of the buffer.
@return The 8 bit checksum value needed.
**/
private short calculateSum8 (byte[] buffer, int size){
int Index;
byte Sum;
Sum = 0;
//
// Perform the word sum for buffer
//
for (Index = 0; Index < size; Index++) {
Sum = (byte) (Sum + buffer[Index]);
}
return(byte) Sum;
}
/**
hexCharToByte
This function is to convert hex character to byte
@param hexChar hex character
@return Byte which corresponding to the character.
**/
private byte hexCharToByte (char hexChar){
switch (hexChar) {
case '0':
return(byte)0x00;
case '1':
return(byte)0x01;
case '2':
return(byte)0x02;
case '3':
return(byte)0x03;
case '4':
return(byte)0x04;
case '5':
return(byte)0x05;
case '6':
return(byte)0x06;
case '7':
return(byte)0x07;
case '8':
return(byte)0x08;
case '9':
return(byte)0x09;
case 'a':
case 'A':
return(byte)0x0a;
case 'b':
case 'B':
return(byte)0x0b;
case 'c':
case 'C':
return(byte)0x0c;
case 'd':
case 'D':
return(byte)0x0d;
case 'e':
case 'E':
return(byte)0x0e;
case 'f':
case 'F':
return(byte)0x0f;
default:
return(byte)0xff;
}
}
/**
adjustFileSize
This function is used to adjusts file size to insure sectioned file is exactly the right length such
that it ends on exactly the last byte of the last section. ProcessScript()
may have padded beyond the end of the last section out to a 4 byte boundary.
This padding is stripped.
@param buffer Byte buffer contains a section stream
@return Corrected size of file.
**/
private int adjustFileSize (byte[] buffer){
int orignalLen = buffer.length;
int adjustLen = 0;
int sectionPoint = 0;
int nextSectionPoint = 0;
int sectionLen = 0;
int totalLen = 0;
int firstSectionHeader = 0;
firstSectionHeader = buffer[0]& 0xff;
firstSectionHeader = ((buffer[1]&0xff)<<8) | firstSectionHeader;
firstSectionHeader = ((buffer[2]&0xff)<<16)| firstSectionHeader;
while (sectionPoint < buffer.length) {
sectionLen = buffer[0 + sectionPoint]& 0xff;
sectionLen = ((buffer[1 + sectionPoint]&0xff)<<8)| sectionLen;
sectionLen = ((buffer[2 + sectionPoint]&0xff)<<16)| sectionLen;
totalLen = totalLen + sectionLen;
if (totalLen == orignalLen) {
return totalLen;
}
sectionPoint = sectionPoint + sectionLen;
adjustLen = sectionPoint;
nextSectionPoint = (sectionPoint + 0x03) & (~0x03);
totalLen = totalLen + nextSectionPoint - sectionLen;
sectionPoint = nextSectionPoint;
}
return adjustLen;
}
/**
getOutputDir
This function is to get output directory.
@return Path of output directory.
**/
public String getOutputDir() {
return outputDir;
}
/**
setOutputDir
This function is to set output directory.
@param outputDir The output direcotry.
**/
public void setOutputDir(String outputDir) {
this.outputDir = outputDir;
}
}
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