* Values of leaf and leaf-list are NOT translated according to codecs.
- *
- * FIXME: rewrite this in terms of {@link JsonWriter}.
*/
-public class JSONNormalizedNodeStreamWriter implements NormalizedNodeStreamWriter {
+public abstract class JSONNormalizedNodeStreamWriter implements NormalizedNodeStreamWriter, AnydataExtension {
+ private static final class Exclusive extends JSONNormalizedNodeStreamWriter {
+ Exclusive(final JSONCodecFactory codecFactory, final SchemaTracker tracker, final JsonWriter writer,
+ final JSONStreamWriterRootContext rootContext) {
+ super(codecFactory, tracker, writer, rootContext);
+ }
+
+ @Override
+ public void close() throws IOException {
+ flush();
+ closeWriter();
+ }
+ }
+
+ private static final class Nested extends JSONNormalizedNodeStreamWriter {
+ Nested(final JSONCodecFactory codecFactory, final SchemaTracker tracker, final JsonWriter writer,
+ final JSONStreamWriterRootContext rootContext) {
+ super(codecFactory, tracker, writer, rootContext);
+ }
+
+ @Override
+ public void close() throws IOException {
+ flush();
+ // The caller "owns" the writer, let them close it
+ }
+ }
+
/**
* RFC6020 deviation: we are not required to emit empty containers unless they
* are marked as 'presence'.
*/
private static final boolean DEFAULT_EMIT_EMPTY_CONTAINERS = true;
- /**
- * Matcher used to check if a string needs to be escaped.
- */
- private static final CharMatcher JSON_ILLEGAL_STRING_CHARACTERS = CharMatcher.anyOf("\\\"\n\r");
+ @Regex
+ private static final String NUMBER_STRING = "-?\\d+(\\.\\d+)?";
+ private static final Pattern NUMBER_PATTERN = Pattern.compile(NUMBER_STRING);
+
+ @Regex
+ private static final String NOT_DECIMAL_NUMBER_STRING = "-?\\d+";
+ private static final Pattern NOT_DECIMAL_NUMBER_PATTERN = Pattern.compile(NOT_DECIMAL_NUMBER_STRING);
private final SchemaTracker tracker;
private final JSONCodecFactory codecs;
- private final Writer writer;
- private final String indent;
+ private final JsonWriter writer;
private JSONStreamWriterContext context;
- private JSONNormalizedNodeStreamWriter(final JSONCodecFactory codecFactory, final SchemaPath path,
- final Writer writer, final URI initialNs, final int indentSize) {
- this.writer = Preconditions.checkNotNull(writer);
-
- Preconditions.checkArgument(indentSize >= 0, "Indent size must be non-negative");
- if (indentSize != 0) {
- indent = Strings.repeat(" ", indentSize);
- } else {
- indent = null;
- }
- this.codecs = Preconditions.checkNotNull(codecFactory);
- this.tracker = SchemaTracker.create(codecFactory.getSchemaContext(), path);
- this.context = new JSONStreamWriterRootContext(initialNs);
+ JSONNormalizedNodeStreamWriter(final JSONCodecFactory codecFactory, final SchemaTracker tracker,
+ final JsonWriter writer, final JSONStreamWriterRootContext rootContext) {
+ this.writer = requireNonNull(writer);
+ this.codecs = requireNonNull(codecFactory);
+ this.tracker = requireNonNull(tracker);
+ this.context = requireNonNull(rootContext);
}
/**
- * Create a new stream writer, which writes to the specified {@link Writer}.
+ * Create a new stream writer, which writes to the specified output stream.
*
- * @param schemaContext Schema context
- * @param writer Output writer
- * @return A stream writer instance
- */
- public static NormalizedNodeStreamWriter create(final SchemaContext schemaContext, final Writer writer) {
- return new JSONNormalizedNodeStreamWriter(JSONCodecFactory.create(schemaContext), SchemaPath.ROOT, writer, null, 0);
- }
-
- /**
- * Create a new stream writer, which writes to the specified {@link Writer}.
+ *
+ * The codec factory can be reused between multiple writers.
+ *
+ *
+ * Returned writer is exclusive user of JsonWriter, which means it will start
+ * top-level JSON element and ends it.
*
- * @param schemaContext Schema context
- * @param path Root schemapath
- * @param writer Output writer
+ *
+ * This instance of writer can be used only to emit one top level element,
+ * otherwise it will produce incorrect JSON. Closing this instance will close
+ * the writer too.
+ *
+ * @param codecFactory JSON codec factory
+ * @param path Schema Path
+ * @param initialNs Initial namespace
+ * @param jsonWriter JsonWriter
* @return A stream writer instance
*/
- public static NormalizedNodeStreamWriter create(final SchemaContext schemaContext, final SchemaPath path, final Writer writer) {
- return new JSONNormalizedNodeStreamWriter(JSONCodecFactory.create(schemaContext), path, writer, null, 0);
+ public static NormalizedNodeStreamWriter createExclusiveWriter(final JSONCodecFactory codecFactory,
+ final SchemaPath path, final URI initialNs, final JsonWriter jsonWriter) {
+ return new Exclusive(codecFactory, SchemaTracker.create(codecFactory.getSchemaContext(), path), jsonWriter,
+ new JSONStreamWriterExclusiveRootContext(initialNs));
}
/**
- * Create a new stream writer, which writes to the specified {@link Writer}.
+ * Create a new stream writer, which writes to the specified output stream.
+ *
+ *
+ * The codec factory can be reused between multiple writers.
*
- * @param schemaContext Schema context
- * @param path Root schemapath
- * @param writer Output writer
+ *
+ * Returned writer is exclusive user of JsonWriter, which means it will start
+ * top-level JSON element and ends it.
+ *
+ *
+ * This instance of writer can be used only to emit one top level element,
+ * otherwise it will produce incorrect JSON. Closing this instance will close
+ * the writer too.
+ *
+ * @param codecFactory JSON codec factory
+ * @param rootNode Root node
* @param initialNs Initial namespace
+ * @param jsonWriter JsonWriter
* @return A stream writer instance
*/
- public static NormalizedNodeStreamWriter create(final SchemaContext schemaContext, final SchemaPath path,
- final URI initialNs, final Writer writer) {
- return new JSONNormalizedNodeStreamWriter(JSONCodecFactory.create(schemaContext), path, writer, initialNs, 0);
+ public static NormalizedNodeStreamWriter createExclusiveWriter(final JSONCodecFactory codecFactory,
+ final DataNodeContainer rootNode, final URI initialNs, final JsonWriter jsonWriter) {
+ return new Exclusive(codecFactory, SchemaTracker.create(rootNode), jsonWriter,
+ new JSONStreamWriterExclusiveRootContext(initialNs));
}
/**
* Create a new stream writer, which writes to the specified output stream.
*
- * @param schemaContext Schema context
- * @param writer Output writer
- * @param indentSize indentation size
+ *
+ * The codec factory can be reused between multiple writers.
+ *
+ *
+ * Returned writer can be used emit multiple top level element,
+ * but does not start / close parent JSON object, which must be done
+ * by user providing {@code jsonWriter} instance in order for
+ * JSON to be valid. Closing this instance will not
+ * close the wrapped writer; the caller must take care of that.
+ *
+ * @param codecFactory JSON codec factory
+ * @param path Schema Path
+ * @param initialNs Initial namespace
+ * @param jsonWriter JsonWriter
* @return A stream writer instance
*/
- public static NormalizedNodeStreamWriter create(final SchemaContext schemaContext, final Writer writer, final int indentSize) {
- return new JSONNormalizedNodeStreamWriter(JSONCodecFactory.create(schemaContext), SchemaPath.ROOT, writer, null, indentSize);
+ public static NormalizedNodeStreamWriter createNestedWriter(final JSONCodecFactory codecFactory,
+ final SchemaPath path, final URI initialNs, final JsonWriter jsonWriter) {
+ return new Nested(codecFactory, SchemaTracker.create(codecFactory.getSchemaContext(), path), jsonWriter,
+ new JSONStreamWriterSharedRootContext(initialNs));
}
/**
- * Create a new stream writer, which writes to the specified output stream. The codec factory
- * can be reused between multiple writers.
+ * Create a new stream writer, which writes to the specified output stream.
+ *
+ *
+ * The codec factory can be reused between multiple writers.
+ *
+ *
+ * Returned writer can be used emit multiple top level element,
+ * but does not start / close parent JSON object, which must be done
+ * by user providing {@code jsonWriter} instance in order for
+ * JSON to be valid. Closing this instance will not
+ * close the wrapped writer; the caller must take care of that.
*
- * @param codecFactor JSON codec factory
- * @param writer Output writer
- * @param indentSize indentation size
+ * @param codecFactory JSON codec factory
+ * @param rootNode Root node
+ * @param initialNs Initial namespace
+ * @param jsonWriter JsonWriter
* @return A stream writer instance
*/
- public static NormalizedNodeStreamWriter create(final JSONCodecFactory codecFactory, final Writer writer, final int indentSize) {
- return new JSONNormalizedNodeStreamWriter(codecFactory, SchemaPath.ROOT, writer, null, indentSize);
+ public static NormalizedNodeStreamWriter createNestedWriter(final JSONCodecFactory codecFactory,
+ final DataNodeContainer rootNode, final URI initialNs, final JsonWriter jsonWriter) {
+ return new Nested(codecFactory, SchemaTracker.create(rootNode), jsonWriter,
+ new JSONStreamWriterSharedRootContext(initialNs));
}
@Override
- public void leafNode(final NodeIdentifier name, final Object value) throws IOException {
- final LeafSchemaNode schema = tracker.leafNode(name);
- final JSONCodec