public class org.apache.commons.compress.compressors.z.ZCompressorInputStream extends org.apache.commons.compress.compressors.lzw.LZWInputStream
minor version: 0
major version: 59
flags: flags: (0x0021) ACC_PUBLIC, ACC_SUPER
this_class: org.apache.commons.compress.compressors.z.ZCompressorInputStream
super_class: org.apache.commons.compress.compressors.lzw.LZWInputStream
{
private static final int MAGIC_1;
descriptor: I
flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL
ConstantValue: 31
private static final int MAGIC_2;
descriptor: I
flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL
ConstantValue: 157
private static final int BLOCK_MODE_MASK;
descriptor: I
flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL
ConstantValue: 128
private static final int MAX_CODE_SIZE_MASK;
descriptor: I
flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL
ConstantValue: 31
private final boolean blockMode;
descriptor: Z
flags: (0x0012) ACC_PRIVATE, ACC_FINAL
private final int maxCodeSize;
descriptor: I
flags: (0x0012) ACC_PRIVATE, ACC_FINAL
private long totalCodesRead;
descriptor: J
flags: (0x0002) ACC_PRIVATE
public void <init>(java.io.InputStream, int);
descriptor: (Ljava/io/InputStream;I)V
flags: (0x0001) ACC_PUBLIC
Code:
stack=3, locals=6, args_size=3
start local 0 start local 1 start local 2 0: aload 0
aload 1
getstatic java.nio.ByteOrder.LITTLE_ENDIAN:Ljava/nio/ByteOrder;
invokespecial org.apache.commons.compress.compressors.lzw.LZWInputStream.<init>:(Ljava/io/InputStream;Ljava/nio/ByteOrder;)V
1: aload 0
lconst_0
putfield org.apache.commons.compress.compressors.z.ZCompressorInputStream.totalCodesRead:J
2: aload 0
getfield org.apache.commons.compress.compressors.z.ZCompressorInputStream.in:Lorg/apache/commons/compress/utils/BitInputStream;
bipush 8
invokevirtual org.apache.commons.compress.utils.BitInputStream.readBits:(I)J
l2i
istore 3
start local 3 3: aload 0
getfield org.apache.commons.compress.compressors.z.ZCompressorInputStream.in:Lorg/apache/commons/compress/utils/BitInputStream;
bipush 8
invokevirtual org.apache.commons.compress.utils.BitInputStream.readBits:(I)J
l2i
istore 4
start local 4 4: aload 0
getfield org.apache.commons.compress.compressors.z.ZCompressorInputStream.in:Lorg/apache/commons/compress/utils/BitInputStream;
bipush 8
invokevirtual org.apache.commons.compress.utils.BitInputStream.readBits:(I)J
l2i
istore 5
start local 5 5: iload 3
bipush 31
if_icmpne 6
iload 4
sipush 157
if_icmpne 6
iload 5
ifge 7
6: StackMap locals: org.apache.commons.compress.compressors.z.ZCompressorInputStream java.io.InputStream int int int int
StackMap stack:
new java.io.IOException
dup
ldc "Input is not in .Z format"
invokespecial java.io.IOException.<init>:(Ljava/lang/String;)V
athrow
7: StackMap locals:
StackMap stack:
aload 0
iload 5
sipush 128
iand
ifeq 8
iconst_1
goto 9
StackMap locals:
StackMap stack: org.apache.commons.compress.compressors.z.ZCompressorInputStream
8: iconst_0
StackMap locals: org.apache.commons.compress.compressors.z.ZCompressorInputStream java.io.InputStream int int int int
StackMap stack: org.apache.commons.compress.compressors.z.ZCompressorInputStream int
9: putfield org.apache.commons.compress.compressors.z.ZCompressorInputStream.blockMode:Z
10: aload 0
iload 5
bipush 31
iand
putfield org.apache.commons.compress.compressors.z.ZCompressorInputStream.maxCodeSize:I
11: aload 0
getfield org.apache.commons.compress.compressors.z.ZCompressorInputStream.blockMode:Z
ifeq 13
12: aload 0
bipush 9
invokevirtual org.apache.commons.compress.compressors.z.ZCompressorInputStream.setClearCode:(I)V
13: StackMap locals:
StackMap stack:
aload 0
aload 0
getfield org.apache.commons.compress.compressors.z.ZCompressorInputStream.maxCodeSize:I
iload 2
invokevirtual org.apache.commons.compress.compressors.z.ZCompressorInputStream.initializeTables:(II)V
14: aload 0
invokevirtual org.apache.commons.compress.compressors.z.ZCompressorInputStream.clearEntries:()V
15: return
end local 5 end local 4 end local 3 end local 2 end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 16 0 this Lorg/apache/commons/compress/compressors/z/ZCompressorInputStream;
0 16 1 inputStream Ljava/io/InputStream;
0 16 2 memoryLimitInKb I
3 16 3 firstByte I
4 16 4 secondByte I
5 16 5 thirdByte I
Exceptions:
throws java.io.IOException
MethodParameters:
Name Flags
inputStream final
memoryLimitInKb final
public void <init>(java.io.InputStream);
descriptor: (Ljava/io/InputStream;)V
flags: (0x0001) ACC_PUBLIC
Code:
stack=3, locals=2, args_size=2
start local 0 start local 1 0: aload 0
aload 1
iconst_m1
invokespecial org.apache.commons.compress.compressors.z.ZCompressorInputStream.<init>:(Ljava/io/InputStream;I)V
1: return
end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 2 0 this Lorg/apache/commons/compress/compressors/z/ZCompressorInputStream;
0 2 1 inputStream Ljava/io/InputStream;
Exceptions:
throws java.io.IOException
MethodParameters:
Name Flags
inputStream final
private void clearEntries();
descriptor: ()V
flags: (0x0002) ACC_PRIVATE
Code:
stack=3, locals=1, args_size=1
start local 0 0: aload 0
sipush 256
aload 0
getfield org.apache.commons.compress.compressors.z.ZCompressorInputStream.blockMode:Z
ifeq 1
iconst_1
goto 2
StackMap locals: org.apache.commons.compress.compressors.z.ZCompressorInputStream
StackMap stack: org.apache.commons.compress.compressors.z.ZCompressorInputStream int
1: iconst_0
StackMap locals: org.apache.commons.compress.compressors.z.ZCompressorInputStream
StackMap stack: org.apache.commons.compress.compressors.z.ZCompressorInputStream int int
2: iadd
invokevirtual org.apache.commons.compress.compressors.z.ZCompressorInputStream.setTableSize:(I)V
3: return
end local 0 LocalVariableTable:
Start End Slot Name Signature
0 4 0 this Lorg/apache/commons/compress/compressors/z/ZCompressorInputStream;
protected int readNextCode();
descriptor: ()I
flags: (0x0004) ACC_PROTECTED
Code:
stack=5, locals=2, args_size=1
start local 0 0: aload 0
invokespecial org.apache.commons.compress.compressors.lzw.LZWInputStream.readNextCode:()I
istore 1
start local 1 1: iload 1
iflt 3
2: aload 0
dup
getfield org.apache.commons.compress.compressors.z.ZCompressorInputStream.totalCodesRead:J
lconst_1
ladd
putfield org.apache.commons.compress.compressors.z.ZCompressorInputStream.totalCodesRead:J
3: StackMap locals: int
StackMap stack:
iload 1
ireturn
end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 4 0 this Lorg/apache/commons/compress/compressors/z/ZCompressorInputStream;
1 4 1 code I
Exceptions:
throws java.io.IOException
private void reAlignReading();
descriptor: ()V
flags: (0x0002) ACC_PRIVATE
Code:
stack=6, locals=5, args_size=1
start local 0 0: ldc 8
aload 0
getfield org.apache.commons.compress.compressors.z.ZCompressorInputStream.totalCodesRead:J
ldc 8
lrem
lsub
lstore 1
start local 1 1: lload 1
ldc 8
lcmp
ifne 3
2: lconst_0
lstore 1
3: StackMap locals: long
StackMap stack:
lconst_0
lstore 3
start local 3 4: goto 7
5: StackMap locals: long
StackMap stack:
aload 0
invokevirtual org.apache.commons.compress.compressors.z.ZCompressorInputStream.readNextCode:()I
pop
6: lload 3
lconst_1
ladd
lstore 3
StackMap locals:
StackMap stack:
7: lload 3
lload 1
lcmp
iflt 5
end local 3 8: aload 0
getfield org.apache.commons.compress.compressors.z.ZCompressorInputStream.in:Lorg/apache/commons/compress/utils/BitInputStream;
invokevirtual org.apache.commons.compress.utils.BitInputStream.clearBitCache:()V
9: return
end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 10 0 this Lorg/apache/commons/compress/compressors/z/ZCompressorInputStream;
1 10 1 codeReadsToThrowAway J
4 8 3 i J
Exceptions:
throws java.io.IOException
protected int addEntry(int, byte);
descriptor: (IB)I
flags: (0x0004) ACC_PROTECTED
Code:
stack=4, locals=5, args_size=3
start local 0 start local 1 start local 2 0: iconst_1
aload 0
invokevirtual org.apache.commons.compress.compressors.z.ZCompressorInputStream.getCodeSize:()I
ishl
istore 3
start local 3 1: aload 0
iload 1
iload 2
iload 3
invokevirtual org.apache.commons.compress.compressors.z.ZCompressorInputStream.addEntry:(IBI)I
istore 4
start local 4 2: aload 0
invokevirtual org.apache.commons.compress.compressors.z.ZCompressorInputStream.getTableSize:()I
iload 3
if_icmpne 5
aload 0
invokevirtual org.apache.commons.compress.compressors.z.ZCompressorInputStream.getCodeSize:()I
aload 0
getfield org.apache.commons.compress.compressors.z.ZCompressorInputStream.maxCodeSize:I
if_icmpge 5
3: aload 0
invokevirtual org.apache.commons.compress.compressors.z.ZCompressorInputStream.reAlignReading:()V
4: aload 0
invokevirtual org.apache.commons.compress.compressors.z.ZCompressorInputStream.incrementCodeSize:()V
5: StackMap locals: int int
StackMap stack:
iload 4
ireturn
end local 4 end local 3 end local 2 end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 6 0 this Lorg/apache/commons/compress/compressors/z/ZCompressorInputStream;
0 6 1 previousCode I
0 6 2 character B
1 6 3 maxTableSize I
2 6 4 r I
Exceptions:
throws java.io.IOException
MethodParameters:
Name Flags
previousCode final
character final
protected int decompressNextSymbol();
descriptor: ()I
flags: (0x0004) ACC_PROTECTED
Code:
stack=7, locals=3, args_size=1
start local 0 0: aload 0
invokevirtual org.apache.commons.compress.compressors.z.ZCompressorInputStream.readNextCode:()I
istore 1
start local 1 1: iload 1
ifge 3
2: iconst_m1
ireturn
3: StackMap locals: int
StackMap stack:
aload 0
getfield org.apache.commons.compress.compressors.z.ZCompressorInputStream.blockMode:Z
ifeq 9
iload 1
aload 0
invokevirtual org.apache.commons.compress.compressors.z.ZCompressorInputStream.getClearCode:()I
if_icmpne 9
4: aload 0
invokevirtual org.apache.commons.compress.compressors.z.ZCompressorInputStream.clearEntries:()V
5: aload 0
invokevirtual org.apache.commons.compress.compressors.z.ZCompressorInputStream.reAlignReading:()V
6: aload 0
invokevirtual org.apache.commons.compress.compressors.z.ZCompressorInputStream.resetCodeSize:()V
7: aload 0
invokevirtual org.apache.commons.compress.compressors.z.ZCompressorInputStream.resetPreviousCode:()V
8: iconst_0
ireturn
9: StackMap locals:
StackMap stack:
iconst_0
istore 2
start local 2 10: iload 1
aload 0
invokevirtual org.apache.commons.compress.compressors.z.ZCompressorInputStream.getTableSize:()I
if_icmpne 14
11: aload 0
invokevirtual org.apache.commons.compress.compressors.z.ZCompressorInputStream.addRepeatOfPreviousCode:()I
pop
12: iconst_1
istore 2
13: goto 16
StackMap locals: int
StackMap stack:
14: iload 1
aload 0
invokevirtual org.apache.commons.compress.compressors.z.ZCompressorInputStream.getTableSize:()I
if_icmple 16
15: new java.io.IOException
dup
ldc "Invalid %d bit code 0x%x"
iconst_2
anewarray java.lang.Object
dup
iconst_0
aload 0
invokevirtual org.apache.commons.compress.compressors.z.ZCompressorInputStream.getCodeSize:()I
invokestatic java.lang.Integer.valueOf:(I)Ljava/lang/Integer;
aastore
dup
iconst_1
iload 1
invokestatic java.lang.Integer.valueOf:(I)Ljava/lang/Integer;
aastore
invokestatic java.lang.String.format:(Ljava/lang/String;[Ljava/lang/Object;)Ljava/lang/String;
invokespecial java.io.IOException.<init>:(Ljava/lang/String;)V
athrow
16: StackMap locals:
StackMap stack:
aload 0
iload 1
iload 2
invokevirtual org.apache.commons.compress.compressors.z.ZCompressorInputStream.expandCodeToOutputStack:(IZ)I
ireturn
end local 2 end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 17 0 this Lorg/apache/commons/compress/compressors/z/ZCompressorInputStream;
1 17 1 code I
10 17 2 addedUnfinishedEntry Z
Exceptions:
throws java.io.IOException
public static boolean matches(byte[], int);
descriptor: ([BI)Z
flags: (0x0009) ACC_PUBLIC, ACC_STATIC
Code:
stack=2, locals=2, args_size=2
start local 0 start local 1 0: iload 1
iconst_3
if_icmple 1
aload 0
iconst_0
baload
bipush 31
if_icmpne 1
aload 0
iconst_1
baload
bipush -99
if_icmpne 1
iconst_1
ireturn
StackMap locals:
StackMap stack:
1: iconst_0
ireturn
end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 2 0 signature [B
0 2 1 length I
MethodParameters:
Name Flags
signature final
length final
}
SourceFile: "ZCompressorInputStream.java"