2 * Copyright (c) 2024 PANTHEON.tech, s.r.o. and others. All rights reserved.
4 * This program and the accompanying materials are made available under the
5 * terms of the Eclipse Public License v1.0 which accompanies this distribution,
6 * and is available at http://www.eclipse.org/legal/epl-v10.html
8 package org.opendaylight.restconf.server.spi;
10 import com.google.gson.stream.JsonWriter;
11 import java.io.IOException;
12 import java.io.OutputStream;
13 import java.io.OutputStreamWriter;
14 import java.nio.charset.StandardCharsets;
15 import javanet.staxutils.IndentingXMLStreamWriter;
16 import javax.xml.stream.FactoryConfigurationError;
17 import javax.xml.stream.XMLOutputFactory;
18 import javax.xml.stream.XMLStreamException;
19 import javax.xml.stream.XMLStreamWriter;
20 import org.eclipse.jdt.annotation.NonNullByDefault;
21 import org.opendaylight.restconf.api.FormattableBody;
22 import org.opendaylight.restconf.api.query.PrettyPrintParam;
23 import org.opendaylight.yangtools.yang.data.codec.gson.JsonWriterFactory;
26 * Various methods supporting {@link FormattableBody}.
29 public final class FormattableBodySupport {
30 private static final XMLOutputFactory XML_FACTORY = XMLOutputFactory.newFactory();
31 private static final String PRETTY_PRINT_INDENT = " ";
33 private FormattableBodySupport() {
37 public static JsonWriter createJsonWriter(final OutputStream out, final PrettyPrintParam prettyPrint) {
38 final var ret = JsonWriterFactory.createJsonWriter(new OutputStreamWriter(out, StandardCharsets.UTF_8));
39 ret.setIndent(prettyPrint.value() ? PRETTY_PRINT_INDENT : "");
43 public static XMLStreamWriter createXmlWriter(final OutputStream out, final PrettyPrintParam prettyPrint)
45 final var xmlWriter = createXmlWriter(out);
46 return prettyPrint.value() ? new IndentingXMLStreamWriter(xmlWriter) : xmlWriter;
49 private static XMLStreamWriter createXmlWriter(final OutputStream out) throws IOException {
51 return XML_FACTORY.createXMLStreamWriter(out, StandardCharsets.UTF_8.name());
52 } catch (XMLStreamException | FactoryConfigurationError e) {
53 throw new IOException(e);