net.dongliu.apk.parser.struct.ChunkHeader Maven / Gradle / Ivy
package net.dongliu.apk.parser.struct;
/**
* A Chunk is just a piece of memory split into two parts, a header and a body.
* The exact structure of the header and the body of a given Chunk is determined by its type.
*
* chunk header struct.
* struct ResChunk_header {
* uint16_t type;
* uint16_t headerSize;
* uint32_t size;
* }
*
*
* @author dongliu
*/
public class ChunkHeader {
// Type identifier for this chunk. The meaning of this value depends
// on the containing chunk.
private int chunkType;
// Size of the chunk header (in bytes). Adding this value to
// the address of the chunk allows you to find its associated data
// (if any).
private int headerSize;
// Total size of this chunk (in bytes). This is the chunkSize plus
// the size of any data associated with the chunk. Adding this value
// to the chunk allows you to completely skip its contents (including
// any child chunks). If this value is the same as chunkSize, there is
// no data associated with the chunk.
private long chunkSize;
public ChunkHeader(int chunkType, int headerSize, long chunkSize) {
this.chunkType = chunkType;
this.headerSize = headerSize;
this.chunkSize = chunkSize;
}
public int getBodySize() {
return (int) (this.chunkSize - this.headerSize);
}
public int getChunkType() {
return chunkType;
}
public void setChunkType(int chunkType) {
this.chunkType = chunkType;
}
public int getHeaderSize() {
return headerSize;
}
public void setHeaderSize(int headerSize) {
this.headerSize = headerSize;
}
public long getChunkSize() {
return chunkSize;
}
public void setChunkSize(long chunkSize) {
this.chunkSize = chunkSize;
}
}