com.fasterxml.jackson.core.JsonGenerator#writeRaw ( )源码实例Demo

private void writeUnicodeEscape(JsonGenerator gen, char c) throws IOException {
    gen.writeRaw('\\');
    gen.writeRaw('u');
    gen.writeRaw(HEX_CHARS[(c >> 12) & 0xF]);
    gen.writeRaw(HEX_CHARS[(c >> 8) & 0xF]);
    gen.writeRaw(HEX_CHARS[(c >> 4) & 0xF]);
    gen.writeRaw(HEX_CHARS[c & 0xF]);
}
 

private static void writeUnicodeEscape(JsonGenerator gen, char c) throws IOException {
  gen.writeRaw('\\');
  gen.writeRaw('u');
  gen.writeRaw(HEX_CHARS[(c >> 12) & 0xF]);
  gen.writeRaw(HEX_CHARS[(c >> 8) & 0xF]);
  gen.writeRaw(HEX_CHARS[(c >> 4) & 0xF]);
  gen.writeRaw(HEX_CHARS[c & 0xF]);
}
 

@Override
public void writeIndentation(JsonGenerator jsonGenerator, int i) throws IOException {
    jsonGenerator.writeRaw('\n');
    for (int j = 0; j < i; j++) {
        jsonGenerator.writeRaw("  ");
    }
}
 

@Override
public void writeEndArray(JsonGenerator g, int nrOfValues) throws IOException {
    if (!_arrayIndenter.isInline()) {
        --_nesting;
    }
    if (nrOfValues > 0) {
        _arrayIndenter.writeIndentation(g, _nesting);
    }
    g.writeRaw(']');
}
 

/** See {@link DefaultPrettyPrinter.Lf2SpacesIndenter#writeIndentation(JsonGenerator, int)} */
@Override
public void writeIndentation(JsonGenerator jg, int level) throws IOException {
    jg.writeRaw(LINE_FEED);
    if (level > 0) {
        level += level;
        while (level > SPACE_COUNT) {
            jg.writeRaw(SPACES, 0, SPACE_COUNT);
            level -= SPACES.length;
        }
        jg.writeRaw(SPACES, 0, level);
    }
}
 

@Override
protected void writeInternal(Object object, HttpOutputMessage outputMessage)
		throws IOException, HttpMessageNotWritableException {

	final JsonEncoding encoding = getJsonEncoding(outputMessage.getHeaders().getContentType());
	final JsonGenerator jsonGenerator = this.objectMapper.getFactory().createGenerator(outputMessage.getBody(), encoding);
	try {
		if (this.prefixJson) {
			jsonGenerator.writeRaw("{} && ");
		}
		this.objectMapper.writeValue(jsonGenerator, object);
	} catch (IOException ex) {
		throw new HttpMessageNotWritableException("Could not write JSON: " + ex.getMessage(), ex);
	}
}
 

private void maybeOutputNlOrBlank(JsonGenerator jg) throws IOException {
  if (doNl) {
    maybeOutputNl(jg);  // resets doNl
  } else {
    jg.writeRaw(' ');
  }
}
 

@Override
public void writeIndentation(JsonGenerator jg, int level) throws IOException
{
    jg.writeRaw(eol);
    if (level > 0) { // should we err on negative values (as there's some flaw?)
        level *= charsPerLevel;
        while (level > indents.length) { // unlike to happen but just in case
            jg.writeRaw(indents, 0, indents.length); 
            level -= indents.length;
        }
        jg.writeRaw(indents, 0, level);
    }
}
 

@Override
public void writeIndentation(JsonGenerator jg, int level) throws IOException
{
    jg.writeRaw(eol);
    if (level > 0) { // should we err on negative values (as there's some flaw?)
        level *= charsPerLevel;
        while (level > indents.length) { // unlike to happen but just in case
            jg.writeRaw(indents, 0, indents.length); 
            level -= indents.length;
        }
        jg.writeRaw(indents, 0, level);
    }
}
 

@Override
public void writeEndObject(JsonGenerator g, int nrOfEntries) throws IOException {
    if (!_objectIndenter.isInline()) {
        --_nesting;
    }
    if (nrOfEntries > 0) {
        _objectIndenter.writeIndentation(g, _nesting);
    }
    g.writeRaw('}');
}
 

@Override
public void writeEndObject(JsonGenerator g, int nrOfEntries) throws IOException {
    if (!this._objectIndenter.isInline()) {
        --this._nesting;
    }

    if (nrOfEntries > 0) {
        this._objectIndenter.writeIndentation(g, this._nesting);
    } else {
        // lets disable the space in empty objects
        //g.writeRaw(' ');
    }

    g.writeRaw('}');
}
 

@Override
protected void writeInternal(Object o, HttpOutputMessage outputMessage)
		throws IOException, HttpMessageNotWritableException {
	JsonEncoding encoding = getEncoding(outputMessage.getHeaders().getContentType());
	JsonGenerator jsonGenerator =
			objectMapper.getJsonFactory().createJsonGenerator(outputMessage.getBody(), encoding);
	if (prefixJson) {
		jsonGenerator.writeRaw("{} && ");
	}
	objectMapper.writeValue(jsonGenerator, o);
}
 

@Override
protected void writePrefix(JsonGenerator generator, Object object) throws IOException {
	if (this.jsonPrefix != null) {
		generator.writeRaw(this.jsonPrefix);
	}
}
 

@Override
public void writeObjectFieldValueSeparator(JsonGenerator jg) throws IOException {
    jg.writeRaw(": ");
}
 

@Override
public void writeObjectFieldValueSeparator(JsonGenerator jg) throws IOException {
  jg.writeRaw(": ");
}
 

@Override
protected void writePrefix(JsonGenerator generator, Object object) throws IOException {
	if (this.jsonPrefix != null) {
		generator.writeRaw(this.jsonPrefix);
	}
}
 

@Override
public void writeObjectFieldValueSeparator(JsonGenerator jg) throws IOException {
    jg.writeRaw(": ");
}
 

@Override
public void writeObjectFieldValueSeparator(JsonGenerator jg) throws IOException {
  jg.writeRaw(": ");
}
 

@Override
public void writeEndObject(JsonGenerator jg, int nrOfEntries)
    throws IOException, JsonGenerationException
{
    jg.writeRaw('}');
}
 

@Override
public void writeStartArray(JsonGenerator jg)
    throws IOException, JsonGenerationException
{
    jg.writeRaw('[');
}