移除JsonCharsWriter

This commit is contained in:
redkale
2023-07-29 12:11:51 +08:00
parent b84006d8db
commit 047149798b

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@@ -1,509 +0,0 @@
/*
* To change this license header, choose License Headers in Project Properties.
* To change this template file, choose Tools | Templates
* and open the template in the editor.
*/
package org.redkale.convert.json;
import java.nio.ByteBuffer;
import org.redkale.util.Utility;
/**
*
* writeTo系列的方法输出的字符不能含特殊字符
* <p>
* 详情见: https://redkale.org
*
* @author zhangjx
*
* @since 2.3.0
*
* @deprecated 2.5.0 JDK9以上用byte[]代替char[]会有更好的性能
*/
@Deprecated(since = "2.5.0")
public class JsonCharsWriter extends JsonWriter {
private static final char[] CHARS_TUREVALUE = "true".toCharArray();
private static final char[] CHARS_FALSEVALUE = "false".toCharArray();
private static final int TENTHOUSAND_MAX = 10001;
private static final char[][] TENTHOUSAND_BYTES = new char[TENTHOUSAND_MAX][];
static {
for (int i = 0; i < TENTHOUSAND_BYTES.length; i++) {
TENTHOUSAND_BYTES[i] = String.valueOf(i).toCharArray();
}
}
private int count;
private char[] content;
public JsonCharsWriter() {
this(defaultSize);
}
public JsonCharsWriter(int size) {
this.content = new char[size > 1024 ? size : 1024];
}
//-----------------------------------------------------------------------
/**
* 返回指定至少指定长度的缓冲区
*
* @param len
*
* @return
*/
private char[] expand(int len) {
int newcount = count + len;
if (newcount <= content.length) {
return content;
}
char[] newdata = new char[Math.max(content.length * 3 / 2, newcount)];
System.arraycopy(content, 0, newdata, 0, count);
this.content = newdata;
return newdata;
}
@Override
public void writeTo(final char ch) { //只能是 0 - 127 的字符
expand(1);
content[count++] = ch;
}
@Override
public void writeTo(final char[] chs, final int start, final int len) { //只能是 0 - 127 的字符
expand(len);
System.arraycopy(chs, start, content, count, len);
count += len;
}
@Override
public void writeTo(final byte ch) { //只能是 0 - 127 的字符
expand(1);
content[count++] = (char) ch;
}
@Override
public void writeTo(final byte[] chs, final int start, final int len) { //只能是 0 - 127 的字符
expand(len);
for (int i = 0; i < len; i++) {
content[count + i] = (char) chs[start + i];
}
count += len;
}
/**
* <b>注意:</b> 该String值不能为null且不会进行转义 只用于不含需要转义字符的字符串例如enum、double、BigInteger、BigDecimal转换的String
*
* @param quote 是否加双引号
* @param value 非null且不含需要转义的字符的String值
*/
@Override
public void writeLatin1To(final boolean quote, final String value) {
if (value == null) {
writeNull();
return;
}
int len = value.length();
expand(len + (quote ? 2 : 0));
if (quote) {
content[count++] = '"';
}
value.getChars(0, len, content, count);
count += len;
if (quote) {
content[count++] = '"';
}
}
@Override
public void writeFieldShortValue(final byte[] fieldBytes, final short value) {
String val = String.valueOf(value);
int len1 = fieldBytes.length;
int len2 = val.length();
expand(len1 + len2);
for (int i = 0; i < len1; i++) {
content[count + i] = (char) fieldBytes[i];
}
count += len1;
val.getChars(0, len2, content, count);
count += len2;
}
@Override
public void writeFieldIntValue(final byte[] fieldBytes, final int value) {
String val = String.valueOf(value);
int len1 = fieldBytes.length;
int len2 = val.length();
expand(len1 + len2);
for (int i = 0; i < len1; i++) {
content[count + i] = (char) fieldBytes[i];
}
count += len1;
val.getChars(0, len2, content, count);
count += len2;
}
@Override
public void writeFieldLongValue(final byte[] fieldBytes, final long value) {
String val = String.valueOf(value);
int len1 = fieldBytes.length;
int len2 = val.length();
expand(len1 + len2);
for (int i = 0; i < len1; i++) {
content[count + i] = (char) fieldBytes[i];
}
count += len1;
val.getChars(0, len2, content, count);
count += len2;
}
@Override
public void writeFieldLatin1Value(final byte[] fieldBytes, final String value) {
int len1 = fieldBytes.length;
int len2 = value.length();
expand(len1 + len2 + 2);
for (int i = 0; i < len1; i++) {
content[count + i] = (char) fieldBytes[i];
}
count += len1;
content[count++] = '"';
value.getChars(0, len2, content, count);
count += len2;
content[count++] = '"';
}
@Override
public void writeLastFieldShortValue(final byte[] fieldBytes, final short value) {
String val = String.valueOf(value);
int len1 = fieldBytes.length;
int len2 = val.length();
expand(len1 + len2 + 1);
for (int i = 0; i < len1; i++) {
content[count + i] = (char) fieldBytes[i];
}
count += len1;
val.getChars(0, len2, content, count);
count += len2;
content[count++] = '}';
}
@Override
public void writeLastFieldIntValue(final byte[] fieldBytes, final int value) {
String val = String.valueOf(value);
int len1 = fieldBytes.length;
int len2 = val.length();
expand(len1 + len2 + 1);
for (int i = 0; i < len1; i++) {
content[count + i] = (char) fieldBytes[i];
}
count += len1;
val.getChars(0, len2, content, count);
count += len2;
content[count++] = '}';
}
@Override
public void writeLastFieldLongValue(final byte[] fieldBytes, final long value) {
String val = String.valueOf(value);
int len1 = fieldBytes.length;
int len2 = val.length();
expand(len1 + len2 + 1);
for (int i = 0; i < len1; i++) {
content[count + i] = (char) fieldBytes[i];
}
count += len1;
val.getChars(0, len2, content, count);
count += len2;
content[count++] = '}';
}
@Override
public void writeLastFieldLatin1Value(final byte[] fieldBytes, final String value) {
if (value == null && nullable()) {
writeTo(fieldBytes);
writeNull();
writeTo('}');
return;
}
if (value == null || (tiny && value.isEmpty())) {
expand(1);
content[count++] = '}';
} else {
int len1 = fieldBytes.length;
int len2 = value.length();
expand(len1 + len2 + 3);
for (int i = 0; i < len1; i++) {
content[count + i] = (char) fieldBytes[i];
}
count += len1;
content[count++] = '"';
value.getChars(0, len2, content, count);
count += len2;
content[count++] = '"';
content[count++] = '}';
}
}
@Override //firstFieldBytes 必须带{开头
public void writeObjectByOnlyOneLatin1FieldValue(final byte[] firstFieldBytes, final String value) {
if (value == null && nullable()) {
writeTo('{');
writeTo(firstFieldBytes);
writeNull();
writeTo('}');
return;
}
if (value == null || (tiny && value.isEmpty())) {
expand(2);
content[count++] = '{';
content[count++] = '}';
} else {
byte[] fieldBytes = firstFieldBytes;
int len1 = fieldBytes.length;
int len2 = value.length();
expand(len1 + len2 + 3);
for (int i = 0; i < len1; i++) {
content[count + i] = (char) fieldBytes[i];
}
count += len1;
content[count++] = '"';
value.getChars(0, len2, content, count);
count += len2;
content[count++] = '"';
content[count++] = '}';
}
}
@Override //firstFieldBytes 必须带{开头, lastFieldBytes必须,开头
public void writeObjectByOnlyTwoIntFieldValue(final byte[] firstFieldBytes, final int value1, final byte[] lastFieldBytes, final int value2) {
String val1 = String.valueOf(value1);
String val2 = String.valueOf(value2);
int len1 = firstFieldBytes.length;
int len2 = val1.length();
int len3 = lastFieldBytes.length;
int len4 = val2.length();
expand(len1 + len2 + len3 + len4 + 1);
for (int i = 0; i < len1; i++) {
content[count + i] = (char) firstFieldBytes[i];
}
count += len1;
val1.getChars(0, len2, content, count);
count += len2;
for (int i = 0; i < len3; i++) {
content[count + i] = (char) lastFieldBytes[i];
}
count += len3;
val2.getChars(0, len4, content, count);
count += len4;
content[count++] = '}';
}
@Override
protected boolean recycle() {
super.recycle();
this.count = 0;
this.specificObjectType = null;
if (this.content != null && this.content.length > defaultSize) {
this.content = new char[defaultSize];
}
return true;
}
public ByteBuffer[] toBuffers() {
return new ByteBuffer[]{ByteBuffer.wrap(Utility.encodeUTF8(content, 0, count))};
}
public byte[] toBytes() {
return Utility.encodeUTF8(content, 0, count);
}
public int count() {
return this.count;
}
@Override
public void writeString(String value) {
writeString(true, value);
}
@Override
public void writeString(final boolean quote, String value) {
if (value == null) {
writeNull();
return;
}
expand(value.length() * 2 + 2);
if (quote) {
content[count++] = '"';
}
for (char ch : Utility.charArray(value)) {
switch (ch) {
case '\n':
content[count++] = '\\';
content[count++] = 'n';
break;
case '\r':
content[count++] = '\\';
content[count++] = 'r';
break;
case '\t':
content[count++] = '\\';
content[count++] = 't';
break;
case '\\':
content[count++] = '\\';
content[count++] = ch;
break;
case '"':
content[count++] = '\\';
content[count++] = ch;
break;
default:
content[count++] = ch;
break;
}
}
if (quote) {
content[count++] = '"';
}
}
@Override
public String toString() {
return new String(content, 0, count);
}
//----------------------------------------------------------------------------------------------
@Override
public void writeBoolean(boolean value) {
writeTo(value ? CHARS_TUREVALUE : CHARS_FALSEVALUE);
}
@Override
public void writeInt(int value) {
if (value >= 0 && value < TENTHOUSAND_MAX) {
writeTo(TENTHOUSAND_BYTES[value]);
return;
}
final char sign = value >= 0 ? 0 : '-';
if (value < 0) {
value = -value;
}
int size;
for (int i = 0;; i++) {
if (value <= sizeTable[i]) {
size = i + 1;
break;
}
}
if (sign != 0) {
size++; //负数
}
expand(size);
int q, r;
int charPos = count + size;
// Generate two digits per iteration
while (value >= 65536) {
q = value / 100;
// really: r = i - (q * 100);
r = value - ((q << 6) + (q << 5) + (q << 2));
value = q;
content[--charPos] = DigitOnes[r];
content[--charPos] = DigitTens[r];
}
// Fall thru to fast mode for smaller numbers
// assert(i <= 65536, i);
for (;;) {
q = (value * 52429) >>> (16 + 3);
r = value - ((q << 3) + (q << 1)); // r = i-(q*10) ...
content[--charPos] = digits[r];
value = q;
if (value == 0) {
break;
}
}
if (sign != 0) {
content[--charPos] = sign;
}
count += size;
}
@Override
public void writeLong(long value) {
if (value >= 0 && value < TENTHOUSAND_MAX) {
writeTo(TENTHOUSAND_BYTES[(int) value]);
return;
}
final char sign = value >= 0 ? 0 : '-';
if (value < 0) {
value = -value;
}
int size = 19;
long p = 10;
for (int i = 1; i < 19; i++) {
if (value < p) {
size = i;
break;
}
p = 10 * p;
}
if (sign != 0) {
size++; //负数
}
expand(size);
long q;
int r;
int charPos = count + size;
// Get 2 digits/iteration using longs until quotient fits into an int
while (value > Integer.MAX_VALUE) {
q = value / 100;
// really: r = i - (q * 100);
r = (int) (value - ((q << 6) + (q << 5) + (q << 2)));
value = q;
content[--charPos] = DigitOnes[r];
content[--charPos] = DigitTens[r];
}
// Get 2 digits/iteration using ints
int q2;
int i2 = (int) value;
while (i2 >= 65536) {
q2 = i2 / 100;
// really: r = i2 - (q * 100);
r = i2 - ((q2 << 6) + (q2 << 5) + (q2 << 2));
i2 = q2;
content[--charPos] = DigitOnes[r];
content[--charPos] = DigitTens[r];
}
// Fall thru to fast mode for smaller numbers
// assert(i2 <= 65536, i2);
for (;;) {
q2 = (i2 * 52429) >>> (16 + 3);
r = i2 - ((q2 << 3) + (q2 << 1)); // r = i2-(q2*10) ...
content[--charPos] = digits[r];
i2 = q2;
if (i2 == 0) {
break;
}
}
if (sign != 0) {
content[--charPos] = sign;
}
count += size;
}
}