1 package org.opendaylight.yangtools.yang.data.api.schema.stream;
3 import com.google.common.annotations.Beta;
4 import com.google.common.base.Strings;
6 import java.util.ArrayDeque;
7 import java.util.Deque;
9 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.AugmentationIdentifier;
10 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.NodeIdentifier;
11 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.NodeIdentifierWithPredicates;
12 import org.slf4j.Logger;
13 import org.slf4j.LoggerFactory;
16 * A {@link NormalizedNodeStreamWriter} which logs the events into a {@link Logger}.
19 public final class LoggingNormalizedNodeStreamWriter implements NormalizedNodeStreamWriter {
20 private static final Logger LOG = LoggerFactory.getLogger(LoggingNormalizedNodeStreamWriter.class);
21 private static final int DEFAULT_INDENT_SIZE = 2;
23 private final Deque<String> indent = new ArrayDeque<>();
24 private final String indentStr;
26 public LoggingNormalizedNodeStreamWriter() {
27 this(DEFAULT_INDENT_SIZE);
30 public LoggingNormalizedNodeStreamWriter(final int indentSize) {
31 this.indentStr = Strings.repeat(" ", indentSize);
35 private String ind() {
39 private void decIndent() {
43 private void incIndent() {
44 indent.push(ind() + indentStr);
48 public void startUnkeyedListItem(final NodeIdentifier name, final int childSizeHint) {
49 LOG.debug("{}{}[](no key)", ind(), name);
54 public void startUnkeyedList(final NodeIdentifier name, final int childSizeHint) {
55 LOG.debug("{}{}(no key)", ind(), name);
60 public void startOrderedMapNode(final NodeIdentifier name, final int childSizeHint) {
65 public void startMapNode(final NodeIdentifier name, final int childSizeHint) {
66 LOG.debug("{}{}(key)", ind(), name);
71 public void startMapEntryNode(final NodeIdentifierWithPredicates identifier, final int childSizeHint) {
72 LOG.debug("{}{}[](key)", ind(), identifier);
77 public void startLeafSet(final NodeIdentifier name, final int childSizeHint) {
78 LOG.debug("{}{}(leaf-list)", ind(), name);
83 public void startContainerNode(final NodeIdentifier name, final int childSizeHint) {
84 LOG.debug("{}{}(container)", ind(), name);
89 public void startChoiceNode(final NodeIdentifier name, final int childSizeHint) {
90 LOG.debug("{}{}(choice)", ind(), name);
95 public void startAugmentationNode(final AugmentationIdentifier identifier) {
96 LOG.debug("{}{}(augmentation)", ind(), identifier);
101 public void leafSetEntryNode(final Object value) {
102 LOG.debug("{}{}({}) ", ind(), value, value.getClass().getSimpleName());
106 public void leafNode(final NodeIdentifier name, final Object value) {
107 LOG.debug("{}{}(leaf({}))=", ind(), name, value.getClass().getSimpleName(), value);
111 public void endNode() throws IllegalStateException {
113 LOG.debug("{}(end)", ind());
117 public void anyxmlNode(final NodeIdentifier name, final Object value) {
118 LOG.debug("{}{}(anyxml)=", ind(), name, value);
122 public void flush() {
123 LOG.trace("<<FLUSH>>");
127 public void close() {
128 LOG.debug("<<END-OF-STREAM>>");