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java-org.hwo
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added float serialization and fixed some bugs

thobaben_serialize
niclasthobaben 2018-01-26 10:51:43 +01:00
parent e5210fa6a2
commit e5832f7f2e
4 changed files with 90 additions and 18 deletions
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31
src/org/hwo/serialize/BinaryParser.java
View File

@ -53,6 +53,12 @@ public class BinaryParser {
src.add((byte)c);
}
static void writeBytes(List<Byte> src, float value) {
byte[] buf = ByteBuffer.allocate(Float.BYTES).putFloat(value).array();
for(byte b : buf)
src.add(b);
}
static byte readByte(List<Byte> src, int ptr) {
if(ptr >= src.size() || ptr < 0)
return 0;
@ -165,5 +171,30 @@ public class BinaryParser {
return new String(temp);
}
static float readFloat(List<Byte> src, int ptr) {
if(ptr >= src.size() || ptr < 0)
return 0;
byte[] temp = new byte[Float.BYTES];
for(int i = 0; i < Float.BYTES; i++)
temp[i] = src.get(i + ptr);
ByteBuffer bb = ByteBuffer.wrap(temp);
return bb.getFloat();
}
static float readFloat(byte[] src, int ptr) {
if(ptr >= src.length || ptr < 0)
return 0;
byte[] temp = new byte[Float.BYTES];
for(int i = 0; i < Float.BYTES; i++)
temp[i] = src[i + ptr];
ByteBuffer bb = ByteBuffer.wrap(temp);
return bb.getFloat();
}
}

2
src/org/hwo/serialize/Database.java
View File

@ -111,7 +111,7 @@ public class Database {
ptr += obj.getSizeInBytes();
result.addObject(obj);
}
return result;
}

65
src/org/hwo/serialize/DatabaseField.java
View File

@ -17,9 +17,10 @@ public class DatabaseField {
public static final byte SHORT = 0x01;
public static final byte INT = 0x02;
public static final byte LONG = 0x03;
public static final byte FLOAT = 0x06;
public static final byte STRING = 0x04;
public static final byte OBJECT = 0x05;
public static final byte ARRAY = 0x06;
public static final byte ARRAY = 0x0F;
private static final String FIELD_ID = "DFLD";
@ -28,6 +29,7 @@ public class DatabaseField {
SHORT,
INT,
LONG,
FLOAT,
STRING,
OBJECT,
ARRAY
@ -93,6 +95,9 @@ public class DatabaseField {
case LONG:
setValue((long)value);
break;
case FLOAT:
setValue((float)value);
break;
case STRING:
setValue((String)value);
break;
@ -123,10 +128,12 @@ public class DatabaseField {
return Type.STRING;
case 0x05:
return Type.OBJECT;
case 0x06:
return Type.FLOAT;
default:
break;
}
if(t >= 0x06)
if(t >= 0x0F)
return Type.ARRAY;
return null;
}
@ -145,8 +152,10 @@ public class DatabaseField {
return 0x04;
case OBJECT:
return 0x05;
case ARRAY:
case FLOAT:
return 0x06;
case ARRAY:
return 0x0F;
default:
return -1;
}
@ -164,27 +173,28 @@ public class DatabaseField {
public void setValue(short value) { _setValue(value); }
public void setValue(int value) { _setValue(value); }
public void setValue(long value) { _setValue(value); }
public void setValue(float value) { _setValue(value); }
public void setValue(String value) { _setValue(value); }
public void setValue(DatabaseObject value) { _setValue(value); }
public void setValue(List<?> value) { _setValue(value); }
public void setValue(List<?> value) { this.arrayValue = value; }
@SuppressWarnings("unchecked")
public<T> T getValue(){
if(this.type >= 0x06)
if(this.type >= 0x0F)
return (T)this.arrayValue;
return (T)this.value.getValue();
}
public int getSizeInBytes() {
if(this.sizeInBytes <= 0)
this.sizeInBytes = 11 + typeSize() + this.name.length();
this.sizeInBytes = 11 + typeSize(_byteToType(this.type)) + this.name.length();
return this.sizeInBytes;
}
private int typeSize() {
switch(_byteToType(this.type)) {
private int typeSize(Type t) {
switch(t) {
case BYTE:
return Byte.BYTES;
case SHORT:
@ -193,6 +203,8 @@ public class DatabaseField {
return Integer.BYTES;
case LONG:
return Long.BYTES;
case FLOAT:
return Float.BYTES;
case STRING:
return ((String)(this.value.getValue())).length();
case OBJECT:
@ -234,6 +246,8 @@ public class DatabaseField {
case LONG:
result += ((ArrayList<Long>)arrayValue).get(i) + " ";
break;
case FLOAT:
result += ((ArrayList<Float>)arrayValue).get(i) + " ";
case STRING:
//result += (String)((List<Object>)getValue()).get(i) + " ";
break;
@ -292,6 +306,10 @@ public class DatabaseField {
BinaryParser.writeBytes(bytes, (int)Long.BYTES);
BinaryParser.writeBytes(bytes, (long)getValue());
break;
case FLOAT:
BinaryParser.writeBytes(bytes, (int)Float.BYTES);
BinaryParser.writeBytes(bytes, (float)getValue());
break;
case STRING:
BinaryParser.writeBytes(bytes, (int)((String)getValue()).length());
BinaryParser.writeBytes(bytes, (String)getValue());
@ -306,7 +324,7 @@ public class DatabaseField {
}
//serialize array
if(this.type >= 0x06) {
if(this.type >= 0x0F) {
int arrLen = arrayValue.size();
switch(_byteToType((byte)(this.type >> 4))) {
@ -330,6 +348,10 @@ public class DatabaseField {
for(int i = 0; i < arrLen; i++)
BinaryParser.writeBytes(bytes, ((List<Long>)arrayValue).get(i));
break;
case FLOAT:
BinaryParser.writeBytes(bytes, (int)(Float.BYTES * arrLen));
for(int i = 0; i < arrLen; i++)
BinaryParser.writeBytes(bytes, ((List<Float>)arrayValue).get(i));
case STRING:
break;
case OBJECT:
@ -382,7 +404,7 @@ public class DatabaseField {
tvalueLen = BinaryParser.readInt(src, ptr);
ptr += 4;
//Length = 9 + NameLength + TypeLength
//Length = 11 + NameLength + TypeLength
switch(_byteToType(ttype)) {
case BYTE:
tvalue = BinaryParser.readByte(src, ptr);
@ -400,6 +422,9 @@ public class DatabaseField {
tvalue = BinaryParser.readLong(src, ptr);
result = new DatabaseField(ttype, tname, (long)tvalue, false);
break;
case FLOAT:
tvalue = BinaryParser.readFloat(src, ptr);
result = new DatabaseField(ttype, tname, (float)tvalue, false);
case STRING:
tvalue = BinaryParser.readString(src, tvalueLen, ptr);
result = new DatabaseField(ttype, tname, (String)tvalue, false);
@ -421,7 +446,7 @@ public class DatabaseField {
((ArrayList<Byte>)tvalue).add(BinaryParser.readByte(src, ptr));
ptr += Byte.BYTES;
}
result = new DatabaseField(ttype, tname, (ArrayList<Byte>)tvalue, true);
result = new DatabaseField((byte)(ttype >> 4), tname, (ArrayList<Byte>)tvalue, true);
break;
case SHORT:
tvalue = new ArrayList<Short>();
@ -429,7 +454,7 @@ public class DatabaseField {
((ArrayList<Short>)tvalue).add(BinaryParser.readShort(src, ptr));
ptr += Short.BYTES;
}
result = new DatabaseField(ttype, tname, (ArrayList<Short>)tvalue, true);
result = new DatabaseField((byte)(ttype >> 4), tname, (ArrayList<Short>)tvalue, true);
break;
case INT:
tvalue = new ArrayList<Integer>();
@ -437,15 +462,23 @@ public class DatabaseField {
((ArrayList<Integer>)tvalue).add(BinaryParser.readInt(src, ptr));
ptr += Integer.BYTES;
}
result = new DatabaseField(ttype, tname, (ArrayList<Integer>)tvalue, true);
result = new DatabaseField((byte)(ttype >> 4), tname, (ArrayList<Integer>)tvalue, true);
break;
case LONG:
tvalue = new ArrayList<Long>();
for(int i = 0; i < (tvalueLen / Long.BYTES); i++) {
((ArrayList<Long>)tvalue).add(BinaryParser.readLong(src, ptr));
ptr += Integer.BYTES;
ptr += Long.BYTES;
}
result = new DatabaseField(ttype, tname, (ArrayList<Long>)tvalue, true);
result = new DatabaseField((byte)(ttype >> 4), tname, (ArrayList<Long>)tvalue, true);
break;
case FLOAT:
tvalue = new ArrayList<Float>();
for(int i = 0; i < (tvalueLen / Float.BYTES); i++) {
((ArrayList<Float>)tvalue).add(BinaryParser.readFloat(src, ptr));
ptr += Float.BYTES;
}
result = new DatabaseField((byte)(ttype >> 4), tname, (ArrayList<Float>)tvalue, true);
break;
case STRING:
break;

10
src/org/hwo/serialize/DatabaseObject.java
View File

@ -65,11 +65,17 @@ public class DatabaseObject {
addField(temp);
}
public void addField(String name, float value) {
DatabaseField temp = new DatabaseField(DatabaseField.FLOAT, name, value, false);
if(temp != null)
addField(temp);
}
public void addField(String name, List<?> value){
DatabaseField temp;
Object check = value.get(0);
if(check instanceof Byte)
temp = new DatabaseField(DatabaseField.BYTE, name, value, true);
else if(check instanceof Short)
@ -78,6 +84,8 @@ public class DatabaseObject {
temp = new DatabaseField(DatabaseField.INT, name, value, true);
else if(check instanceof Long)
temp = new DatabaseField(DatabaseField.LONG, name, value, true);
else if(check instanceof Float)
temp = new DatabaseField(DatabaseField.FLOAT, name, value, true);
else
return;