public DecResult decode(DecContext ctx) {
DecResult ret =
ctx.getCodecOf(short.class)
.decode(
ctx.getDecContextFactory()
.createDecContext(ctx.getDecBytes(), short.class, ctx.getDecOwner(), null));
short listLength = (Short) ret.getValue();
byte[] bytes = ret.getRemainBytes();
Class<?> compomentClass = getCompomentClass(ctx.getField());
ArrayList<Object> list = null;
if (listLength > 0) {
// if (logger.isDebugEnabled()) {
// logger.debug( "bytes2Array: decode Array length [" + arrayLength +"]" );
// }
list = new ArrayList<Object>(listLength);
ByteFieldCodec anyCodec = ctx.getCodecOf(FieldCodecCategory.ANY);
for (int idx = 0; idx < listLength; idx++) {
ret =
anyCodec.decode(
ctx.getDecContextFactory()
.createDecContext(bytes, compomentClass, ctx.getDecOwner(), null));
list.add(ret.getValue());
bytes = ret.getRemainBytes();
}
}
return new DecResult(list, bytes);
}
public DecResult decode(DecContext ctx) {
byte[] bytes = ctx.getDecBytes();
int byteLength = ctx.getByteSize();
NumberCodec numberCodec = ctx.getNumberCodec();
if (byteLength > bytes.length) {
String errmsg =
"ShortCodec: not enough bytes for decode, need ["
+ byteLength
+ "], actually ["
+ bytes.length
+ "].";
if (null != ctx.getField()) {
errmsg += "/ cause field is [" + ctx.getField() + "]";
}
logger.error(errmsg);
throw new RuntimeException(errmsg);
// return makeDecResult( retShort, bytes );
}
return new DecResult(
numberCodec.bytes2Short(bytes, byteLength),
ArrayUtils.subarray(bytes, byteLength, bytes.length));
}
public DecResult decode(DecContext ctx) {
Class<?> compomentClass = getCompomentClass(ctx.getField());
final ByteFieldDesc desc = ctx.getFieldDesc();
int listLength = 0;
if (null == desc) {
throw new RuntimeException("invalid list length or fixedLength.");
} else if (desc.hasLength()) {
// 已经有字段记录数组长度了
listLength = desc.getLength(ctx.getDecOwner());
} else {
throw new RuntimeException("invalid list length or fixedLength.");
}
ArrayList<Object> list = null;
byte[] bytes = ctx.getDecBytes();
if (listLength > 0 && bytes.length > 0) {
list = new ArrayList<Object>(listLength);
ByteFieldCodec anyCodec = ctx.getCodecOf(FieldCodecCategory.ANY);
int idx = 0;
while (idx < listLength && bytes.length > 0) {
idx++;
DecResult ret =
anyCodec.decode(
ctx.getDecContextFactory()
.createDecContext(bytes, compomentClass, ctx.getDecOwner(), null));
list.add(ret.getValue());
bytes = ret.getRemainBytes();
}
}
return new DecResult(list, bytes);
}
