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Assign TokenBuffer field with createToken() result

This commit is contained in:
Juergen Hoeller 2020-02-25 15:21:28 +01:00
parent 6db20eb773
commit d72c90cd7a
1 changed files with 11 additions and 13 deletions
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24
spring-web/src/main/java/org/springframework/http/codec/json/Jackson2Tokenizer.java
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@ -37,7 +37,6 @@ import org.springframework.core.codec.DecodingException;
import org.springframework.core.io.buffer.DataBuffer; import org.springframework.core.io.buffer.DataBuffer;
import org.springframework.core.io.buffer.DataBufferLimitException; import org.springframework.core.io.buffer.DataBufferLimitException;
import org.springframework.core.io.buffer.DataBufferUtils; import org.springframework.core.io.buffer.DataBufferUtils;
import org.springframework.lang.Nullable;
/** /**
* {@link Function} to transform a JSON stream of arbitrary size, byte array * {@link Function} to transform a JSON stream of arbitrary size, byte array
@ -67,7 +66,6 @@ final class Jackson2Tokenizer {
private int byteCount; private int byteCount;
@Nullable // yet initialized by calling createToken() in the constructor
private TokenBuffer tokenBuffer; private TokenBuffer tokenBuffer;
@ -85,7 +83,7 @@ final class Jackson2Tokenizer {
this.forceUseOfBigDecimal = forceUseOfBigDecimal; this.forceUseOfBigDecimal = forceUseOfBigDecimal;
this.inputFeeder = (ByteArrayFeeder) this.parser.getNonBlockingInputFeeder(); this.inputFeeder = (ByteArrayFeeder) this.parser.getNonBlockingInputFeeder();
this.maxInMemorySize = maxInMemorySize; this.maxInMemorySize = maxInMemorySize;
createToken(); this.tokenBuffer = createToken();
} }
@ -176,9 +174,8 @@ final class Jackson2Tokenizer {
if ((token.isStructEnd() || token.isScalarValue()) && this.objectDepth == 0 && this.arrayDepth == 0) { if ((token.isStructEnd() || token.isScalarValue()) && this.objectDepth == 0 && this.arrayDepth == 0) {
result.add(this.tokenBuffer); result.add(this.tokenBuffer);
createToken(); this.tokenBuffer = createToken();
} }
} }
private void processTokenArray(JsonToken token, List<TokenBuffer> result) throws IOException { private void processTokenArray(JsonToken token, List<TokenBuffer> result) throws IOException {
@ -189,13 +186,14 @@ final class Jackson2Tokenizer {
if (this.objectDepth == 0 && (this.arrayDepth == 0 || this.arrayDepth == 1) && if (this.objectDepth == 0 && (this.arrayDepth == 0 || this.arrayDepth == 1) &&
(token == JsonToken.END_OBJECT || token.isScalarValue())) { (token == JsonToken.END_OBJECT || token.isScalarValue())) {
result.add(this.tokenBuffer); result.add(this.tokenBuffer);
createToken(); this.tokenBuffer = createToken();
} }
} }
private void createToken() { private TokenBuffer createToken() {
this.tokenBuffer = new TokenBuffer(this.parser, this.deserializationContext); TokenBuffer tokenBuffer = new TokenBuffer(this.parser, this.deserializationContext);
this.tokenBuffer.forceUseOfBigDecimal(this.forceUseOfBigDecimal); tokenBuffer.forceUseOfBigDecimal(this.forceUseOfBigDecimal);
return tokenBuffer;
} }
private boolean isTopLevelArrayToken(JsonToken token) { private boolean isTopLevelArrayToken(JsonToken token) {
@ -233,8 +231,8 @@ final class Jackson2Tokenizer {
* @param objectMapper the current mapper instance * @param objectMapper the current mapper instance
* @param tokenizeArrays if {@code true} and the "top level" JSON object is * @param tokenizeArrays if {@code true} and the "top level" JSON object is
* an array, each element is returned individually immediately after it is received * an array, each element is returned individually immediately after it is received
* @param forceUseOfBigDecimal if {@code true}, any floating point values encountered in source will use * @param forceUseOfBigDecimal if {@code true}, any floating point values encountered
* {@link java.math.BigDecimal} * in source will use {@link java.math.BigDecimal}
* @param maxInMemorySize maximum memory size * @param maxInMemorySize maximum memory size
* @return the resulting token buffers * @return the resulting token buffers
*/ */
@ -248,8 +246,8 @@ final class Jackson2Tokenizer {
context = ((DefaultDeserializationContext) context).createInstance( context = ((DefaultDeserializationContext) context).createInstance(
objectMapper.getDeserializationConfig(), parser, objectMapper.getInjectableValues()); objectMapper.getDeserializationConfig(), parser, objectMapper.getInjectableValues());
} }
Jackson2Tokenizer tokenizer = new Jackson2Tokenizer(parser, context, tokenizeArrays, forceUseOfBigDecimal, Jackson2Tokenizer tokenizer =
maxInMemorySize); new Jackson2Tokenizer(parser, context, tokenizeArrays, forceUseOfBigDecimal, maxInMemorySize);
return dataBuffers.concatMapIterable(tokenizer::tokenize).concatWith(tokenizer.endOfInput()); return dataBuffers.concatMapIterable(tokenizer::tokenize).concatWith(tokenizer.endOfInput());
} }
catch (IOException ex) { catch (IOException ex) {