com.fasterxml.jackson.core.util.BufferRecyclers Java Examples

/**
 * Method used by factory to create buffer recycler instances
 * for parsers and generators.
 *<p>
 * Note: only public to give access for <code>ObjectMapper</code>
 */
public BufferRecycler _getBufferRecycler()
{
    /* 23-Apr-2015, tatu: Let's allow disabling of buffer recycling
     *   scheme, for cases where it is considered harmful (possibly
     *   on Android, for example)
     */
    if (Feature.USE_THREAD_LOCAL_FOR_BUFFER_RECYCLING.enabledIn(_factoryFeatures)) {
        return BufferRecyclers.getBufferRecycler();
    }
    return new BufferRecycler();
}
 

@Override
public final char[] asQuotedChars() {
    char[] result = _quotedChars;
    if (result == null) {
        result = BufferRecyclers.quoteAsJsonText(_value);
        _quotedChars = result;
    }
    return result;
}
 

/**
 * Accessor for accessing value that has been quoted using JSON
 * quoting rules, and encoded using UTF-8 encoding.
 */
@Override
public final byte[] asUnquotedUTF8() {
    byte[] result = _unquotedUTF8Ref;
    if (result == null) {
        result = BufferRecyclers.encodeAsUTF8(_value);
        _unquotedUTF8Ref  = result;
    }
    return result;
}
 

/**
 * Accessor for accessing value as is (without JSON quoting)
 * encoded using UTF-8 encoding.
 */
@Override
public final byte[] asQuotedUTF8() {
    byte[] result = _quotedUTF8Ref;
    if (result == null) {
        result = BufferRecyclers.quoteAsJsonUTF8(_value);
        _quotedUTF8Ref = result;
    }
    return result;
}
 

@Override
public int appendQuotedUTF8(byte[] buffer, int offset) {
    byte[] result = _quotedUTF8Ref;
    if (result == null) {
        result = BufferRecyclers.quoteAsJsonUTF8(_value);
        _quotedUTF8Ref = result;
    }
    final int length = result.length;
    if ((offset + length) > buffer.length) {
        return -1;
    }
    System.arraycopy(result, 0, buffer, offset, length);
    return length;
}
 

@Override
public int appendQuoted(char[] buffer, int offset) {
    char[] result = _quotedChars;
    if (result == null) {
        result = BufferRecyclers.quoteAsJsonText(_value);
        _quotedChars = result;
    }
    final int length = result.length;
    if ((offset + length) > buffer.length) {
        return -1;
    }
    System.arraycopy(result, 0, buffer, offset, length);
    return length;
}
 

@Override
public int appendUnquotedUTF8(byte[] buffer, int offset) {
    byte[] result = _unquotedUTF8Ref;
    if (result == null) {
        result = BufferRecyclers.encodeAsUTF8(_value);
        _unquotedUTF8Ref  = result;
    }
    final int length = result.length;
    if ((offset + length) > buffer.length) {
        return -1;
    }
    System.arraycopy(result, 0, buffer, offset, length);
    return length;
}
 

@Override
public int writeQuotedUTF8(OutputStream out) throws IOException {
    byte[] result = _quotedUTF8Ref;
    if (result == null) {
        result = BufferRecyclers.quoteAsJsonUTF8(_value);
        _quotedUTF8Ref = result;
    }
    final int length = result.length;
    out.write(result, 0, length);
    return length;
}
 

@Override
public int writeUnquotedUTF8(OutputStream out) throws IOException {
    byte[] result = _unquotedUTF8Ref;
    if (result == null) {
        result = BufferRecyclers.encodeAsUTF8(_value);
        _unquotedUTF8Ref  = result;
    }
    final int length = result.length;
    out.write(result, 0, length);
    return length;
}
 

@Override
public int putQuotedUTF8(ByteBuffer buffer) {
    byte[] result = _quotedUTF8Ref;
    if (result == null) {
        result = BufferRecyclers.quoteAsJsonUTF8(_value);
        _quotedUTF8Ref = result;
    }
    final int length = result.length;
    if (length > buffer.remaining()) {
        return -1;
    }
    buffer.put(result, 0, length);
    return length;
}
 

@Override
public int putUnquotedUTF8(ByteBuffer buffer) {
    byte[] result = _unquotedUTF8Ref;
    if (result == null) {
        result = BufferRecyclers.encodeAsUTF8(_value);
        _unquotedUTF8Ref  = result;
    }
    final int length = result.length;
    if (length > buffer.remaining()) {
        return -1;
    }
    buffer.put(result, 0, length);
    return length;
}
 

private String escapeQuotes(String s) {
	if(s != null) {
		StringBuilder sb = new StringBuilder();
		JsonStringEncoder encoder = BufferRecyclers.getJsonStringEncoder();
		encoder.quoteAsString(s, sb);
		return sb.toString();
	}
	return s;
}
 

default public String toJSON() {
	StringBuilder sb = new StringBuilder();
	JsonStringEncoder encoder = BufferRecyclers.getJsonStringEncoder();
	sb.append("{").append("\n");
	sb.append("\t").append("\"").append("type").append("\"").append(": ").append("\"").append(getName()).append("\"").append(",").append("\n");
	sb.append("\t").append("\"").append("description").append("\"").append(": ").append("\"");
	encoder.quoteAsString(toString().replace('\t', ' '), sb);
	sb.append("\"").append(",").append("\n");
	sb.append("\t").append("\"").append("leftSideLocations").append("\"").append(": ").append(leftSide()).append(",").append("\n");
	sb.append("\t").append("\"").append("rightSideLocations").append("\"").append(": ").append(rightSide()).append("\n");
	sb.append("}");
	return sb.toString();
}
 

private String toJsonValue(byte[] ics) {
    return new String(BufferRecyclers.getJsonStringEncoder().quoteAsUTF8(new String(ics, StandardCharsets.UTF_8)), StandardCharsets.UTF_8);
}
 

/**
 * Factory method for getting an instance; this is either recycled per-thread instance,
 * or a newly constructed one.
 *
 * @deprecated Since 2.9.2 use {@link BufferRecyclers#getJsonStringEncoder()} instead
 */
@Deprecated
public static JsonStringEncoder getInstance() {
    return BufferRecyclers.getJsonStringEncoder();
}