2 * Copyright (c) 2015 Cisco Systems, Inc. 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.yangtools.yang.data.api.schema.stream;
10 import static java.util.Objects.requireNonNull;
12 import com.google.common.annotations.Beta;
13 import edu.umd.cs.findbugs.annotations.SuppressFBWarnings;
14 import java.util.ArrayDeque;
15 import java.util.Deque;
16 import javax.xml.transform.dom.DOMSource;
17 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.AugmentationIdentifier;
18 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.NodeIdentifier;
19 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.NodeIdentifierWithPredicates;
20 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.NodeWithValue;
21 import org.slf4j.Logger;
22 import org.slf4j.LoggerFactory;
25 * A {@link NormalizedNodeStreamWriter} which logs the events into a {@link Logger}.
28 public final class LoggingNormalizedNodeStreamWriter implements NormalizedNodeStreamWriter {
29 private static final Logger LOG = LoggerFactory.getLogger(LoggingNormalizedNodeStreamWriter.class);
30 private static final int DEFAULT_INDENT_SIZE = 2;
32 private final Deque<String> indent = new ArrayDeque<>();
33 private final String indentStr;
35 public LoggingNormalizedNodeStreamWriter() {
36 this(DEFAULT_INDENT_SIZE);
39 public LoggingNormalizedNodeStreamWriter(final int indentSize) {
40 this.indentStr = " ".repeat(indentSize);
44 private String ind() {
48 private void decIndent() {
52 private void incIndent() {
53 indent.push(ind() + indentStr);
57 public void startUnkeyedListItem(final NodeIdentifier name, final int childSizeHint) {
58 LOG.debug("{}{}[](no key)", ind(), name);
63 public void startUnkeyedList(final NodeIdentifier name, final int childSizeHint) {
64 LOG.debug("{}{}(no key)", ind(), name);
69 public void startOrderedMapNode(final NodeIdentifier name, final int childSizeHint) {
70 startMapNode(name, childSizeHint);
74 public void startMapNode(final NodeIdentifier name, final int childSizeHint) {
75 LOG.debug("{}{}(key)", ind(), name);
80 public void startMapEntryNode(final NodeIdentifierWithPredicates identifier, final int childSizeHint) {
81 LOG.debug("{}{}[](key)", ind(), identifier);
86 public void startLeafSet(final NodeIdentifier name, final int childSizeHint) {
87 LOG.debug("{}{}(leaf-list)", ind(), name);
92 public void startOrderedLeafSet(final NodeIdentifier name, final int childSizeHint) {
93 startLeafSet(name, childSizeHint);
97 public void startContainerNode(final NodeIdentifier name, final int childSizeHint) {
98 LOG.debug("{}{}(container)", ind(), name);
103 public void startChoiceNode(final NodeIdentifier name, final int childSizeHint) {
104 LOG.debug("{}{}(choice)", ind(), name);
109 public void startAugmentationNode(final AugmentationIdentifier identifier) {
110 LOG.debug("{}{}(augmentation)", ind(), identifier);
115 public void startLeafSetEntryNode(final NodeWithValue<?> name) {
116 LOG.debug("{}{}(entry}", ind(), name.getNodeType());
121 public void startLeafNode(final NodeIdentifier name) {
122 LOG.debug("{}{}(leaf)", ind(), name);
127 public void endNode() {
129 LOG.debug("{}(end)", ind());
133 public void startAnyxmlNode(final NodeIdentifier name) {
134 LOG.debug("{}{}(anyxml)", ind(), name);
139 public boolean startAnydataNode(final NodeIdentifier name, final Class<?> objectModel) {
140 LOG.debug("{}{}(anydata)", ind(), name);
146 public void startYangModeledAnyXmlNode(final NodeIdentifier name, final int childSizeHint) {
147 LOG.debug("{}{}(yangModeledAnyXml)", ind(), name);
152 public void flush() {
153 LOG.trace("<<FLUSH>>");
157 public void close() {
158 LOG.debug("<<END-OF-STREAM>>");
162 @SuppressFBWarnings("SLF4J_SIGN_ONLY_FORMAT")
163 public void scalarValue(final Object value) {
164 LOG.debug("{}({})={}", ind(), requireNonNull(value).getClass().getSimpleName(), value);
168 public void domSourceValue(final DOMSource value) {