1<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> 2<!-- NewPage --> 3<html lang="en"> 4<head> 5<!-- Generated by javadoc (version 1.7.0_79) on Fri Jan 15 20:28:43 PST 2016 --> 6<meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> 7<title>NullNode (jackson-databind 2.7.0 API)</title> 8<meta name="date" content="2016-01-15"> 9<link rel="stylesheet" type="text/css" href="../../../../../stylesheet.css" title="Style"> 10</head> 11<body> 12<script type="text/javascript"><!-- 13 if (location.href.indexOf('is-external=true') == -1) { 14 parent.document.title="NullNode (jackson-databind 2.7.0 API)"; 15 } 16//--> 17</script> 18<noscript> 19<div>JavaScript is disabled on your browser.</div> 20</noscript> 21<!-- ========= START OF TOP NAVBAR ======= --> 22<div class="topNav"><a name="navbar_top"> 23<!-- --> 24</a><a href="#skip-navbar_top" title="Skip navigation links"></a><a name="navbar_top_firstrow"> 25<!-- --> 26</a> 27<ul class="navList" title="Navigation"> 28<li><a href="../../../../../overview-summary.html">Overview</a></li> 29<li><a href="package-summary.html">Package</a></li> 30<li class="navBarCell1Rev">Class</li> 31<li><a href="class-use/NullNode.html">Use</a></li> 32<li><a href="package-tree.html">Tree</a></li> 33<li><a href="../../../../../deprecated-list.html">Deprecated</a></li> 34<li><a href="../../../../../index-all.html">Index</a></li> 35<li><a href="../../../../../help-doc.html">Help</a></li> 36</ul> 37</div> 38<div class="subNav"> 39<ul class="navList"> 40<li><a href="../../../../../com/fasterxml/jackson/databind/node/MissingNode.html" title="class in com.fasterxml.jackson.databind.node"><span class="strong">Prev Class</span></a></li> 41<li><a href="../../../../../com/fasterxml/jackson/databind/node/NumericNode.html" title="class in com.fasterxml.jackson.databind.node"><span class="strong">Next Class</span></a></li> 42</ul> 43<ul class="navList"> 44<li><a href="../../../../../index.html?com/fasterxml/jackson/databind/node/NullNode.html" target="_top">Frames</a></li> 45<li><a href="NullNode.html" target="_top">No Frames</a></li> 46</ul> 47<ul class="navList" id="allclasses_navbar_top"> 48<li><a href="../../../../../allclasses-noframe.html">All Classes</a></li> 49</ul> 50<div> 51<script type="text/javascript"><!-- 52 allClassesLink = document.getElementById("allclasses_navbar_top"); 53 if(window==top) { 54 allClassesLink.style.display = "block"; 55 } 56 else { 57 allClassesLink.style.display = "none"; 58 } 59 //--> 60</script> 61</div> 62<div> 63<ul class="subNavList"> 64<li>Summary: </li> 65<li>Nested | </li> 66<li><a href="#field_summary">Field</a> | </li> 67<li>Constr | </li> 68<li><a href="#method_summary">Method</a></li> 69</ul> 70<ul class="subNavList"> 71<li>Detail: </li> 72<li><a href="#field_detail">Field</a> | </li> 73<li>Constr | </li> 74<li><a href="#method_detail">Method</a></li> 75</ul> 76</div> 77<a name="skip-navbar_top"> 78<!-- --> 79</a></div> 80<!-- ========= END OF TOP NAVBAR ========= --> 81<!-- ======== START OF CLASS DATA ======== --> 82<div class="header"> 83<div class="subTitle">com.fasterxml.jackson.databind.node</div> 84<h2 title="Class NullNode" class="title">Class NullNode</h2> 85</div> 86<div class="contentContainer"> 87<ul class="inheritance"> 88<li><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">java.lang.Object</a></li> 89<li> 90<ul class="inheritance"> 91<li><a href="../../../../../com/fasterxml/jackson/databind/JsonSerializable.Base.html" title="class in com.fasterxml.jackson.databind">com.fasterxml.jackson.databind.JsonSerializable.Base</a></li> 92<li> 93<ul class="inheritance"> 94<li><a href="../../../../../com/fasterxml/jackson/databind/JsonNode.html" title="class in com.fasterxml.jackson.databind">com.fasterxml.jackson.databind.JsonNode</a></li> 95<li> 96<ul class="inheritance"> 97<li><a href="../../../../../com/fasterxml/jackson/databind/node/BaseJsonNode.html" title="class in com.fasterxml.jackson.databind.node">com.fasterxml.jackson.databind.node.BaseJsonNode</a></li> 98<li> 99<ul class="inheritance"> 100<li><a href="../../../../../com/fasterxml/jackson/databind/node/ValueNode.html" title="class in com.fasterxml.jackson.databind.node">com.fasterxml.jackson.databind.node.ValueNode</a></li> 101<li> 102<ul class="inheritance"> 103<li>com.fasterxml.jackson.databind.node.NullNode</li> 104</ul> 105</li> 106</ul> 107</li> 108</ul> 109</li> 110</ul> 111</li> 112</ul> 113</li> 114</ul> 115<div class="description"> 116<ul class="blockList"> 117<li class="blockList"> 118<dl> 119<dt>All Implemented Interfaces:</dt> 120<dd><a href="http://fasterxml.github.com/jackson-core/javadoc/2.7/com/fasterxml/jackson/core/TreeNode.html?is-external=true" title="class or interface in com.fasterxml.jackson.core">TreeNode</a>, <a href="../../../../../com/fasterxml/jackson/databind/JsonSerializable.html" title="interface in com.fasterxml.jackson.databind">JsonSerializable</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Iterable.html?is-external=true" title="class or interface in java.lang">Iterable</a><<a href="../../../../../com/fasterxml/jackson/databind/JsonNode.html" title="class in com.fasterxml.jackson.databind">JsonNode</a>></dd> 121</dl> 122<hr> 123<br> 124<pre>public final class <span class="strong">NullNode</span> 125extends <a href="../../../../../com/fasterxml/jackson/databind/node/ValueNode.html" title="class in com.fasterxml.jackson.databind.node">ValueNode</a></pre> 126<div class="block">This singleton value class is used to contain explicit JSON null 127 value.</div> 128</li> 129</ul> 130</div> 131<div class="summary"> 132<ul class="blockList"> 133<li class="blockList"> 134<!-- ======== NESTED CLASS SUMMARY ======== --> 135<ul class="blockList"> 136<li class="blockList"><a name="nested_class_summary"> 137<!-- --> 138</a> 139<h3>Nested Class Summary</h3> 140<ul class="blockList"> 141<li class="blockList"><a name="nested_classes_inherited_from_class_com.fasterxml.jackson.databind.JsonSerializable"> 142<!-- --> 143</a> 144<h3>Nested classes/interfaces inherited from interface com.fasterxml.jackson.databind.<a href="../../../../../com/fasterxml/jackson/databind/JsonSerializable.html" title="interface in com.fasterxml.jackson.databind">JsonSerializable</a></h3> 145<code><a href="../../../../../com/fasterxml/jackson/databind/JsonSerializable.Base.html" title="class in com.fasterxml.jackson.databind">JsonSerializable.Base</a></code></li> 146</ul> 147</li> 148</ul> 149<!-- =========== FIELD SUMMARY =========== --> 150<ul class="blockList"> 151<li class="blockList"><a name="field_summary"> 152<!-- --> 153</a> 154<h3>Field Summary</h3> 155<table class="overviewSummary" border="0" cellpadding="3" cellspacing="0" summary="Field Summary table, listing fields, and an explanation"> 156<caption><span>Fields</span><span class="tabEnd"> </span></caption> 157<tr> 158<th class="colFirst" scope="col">Modifier and Type</th> 159<th class="colLast" scope="col">Field and Description</th> 160</tr> 161<tr class="altColor"> 162<td class="colFirst"><code>static <a href="../../../../../com/fasterxml/jackson/databind/node/NullNode.html" title="class in com.fasterxml.jackson.databind.node">NullNode</a></code></td> 163<td class="colLast"><code><strong><a href="../../../../../com/fasterxml/jackson/databind/node/NullNode.html#instance">instance</a></strong></code> </td> 164</tr> 165</table> 166</li> 167</ul> 168<!-- ========== METHOD SUMMARY =========== --> 169<ul class="blockList"> 170<li class="blockList"><a name="method_summary"> 171<!-- --> 172</a> 173<h3>Method Summary</h3> 174<table class="overviewSummary" border="0" cellpadding="3" cellspacing="0" summary="Method Summary table, listing methods, and an explanation"> 175<caption><span>Methods</span><span class="tabEnd"> </span></caption> 176<tr> 177<th class="colFirst" scope="col">Modifier and Type</th> 178<th class="colLast" scope="col">Method and Description</th> 179</tr> 180<tr class="altColor"> 181<td class="colFirst"><code><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td> 182<td class="colLast"><code><strong><a href="../../../../../com/fasterxml/jackson/databind/node/NullNode.html#asText()">asText</a></strong>()</code> 183<div class="block">Method that will return a valid String representation of 184 the container value, if the node is a value node 185 (method <a href="../../../../../com/fasterxml/jackson/databind/JsonNode.html#isValueNode()"><code>JsonNode.isValueNode()</code></a> returns true), 186 otherwise empty String.</div> 187</td> 188</tr> 189<tr class="rowColor"> 190<td class="colFirst"><code><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td> 191<td class="colLast"><code><strong><a href="../../../../../com/fasterxml/jackson/databind/node/NullNode.html#asText(java.lang.String)">asText</a></strong>(<a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> defaultValue)</code> 192<div class="block">Method similar to <a href="../../../../../com/fasterxml/jackson/databind/JsonNode.html#asText()"><code>JsonNode.asText()</code></a>, except that it will return 193 <code>defaultValue</code> in cases where null value would be returned; 194 either for missing nodes (trying to access missing property, or element 195 at invalid item for array) or explicit nulls.</div> 196</td> 197</tr> 198<tr class="altColor"> 199<td class="colFirst"><code><a href="http://fasterxml.github.com/jackson-core/javadoc/2.7/com/fasterxml/jackson/core/JsonToken.html?is-external=true" title="class or interface in com.fasterxml.jackson.core">JsonToken</a></code></td> 200<td class="colLast"><code><strong><a href="../../../../../com/fasterxml/jackson/databind/node/NullNode.html#asToken()">asToken</a></strong>()</code> 201<div class="block">Method that can be used for efficient type detection 202 when using stream abstraction for traversing nodes.</div> 203</td> 204</tr> 205<tr class="rowColor"> 206<td class="colFirst"><code>boolean</code></td> 207<td class="colLast"><code><strong><a href="../../../../../com/fasterxml/jackson/databind/node/NullNode.html#equals(java.lang.Object)">equals</a></strong>(<a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a> o)</code> 208<div class="block">Equality for node objects is defined as full (deep) value 209 equality.</div> 210</td> 211</tr> 212<tr class="altColor"> 213<td class="colFirst"><code>static <a href="../../../../../com/fasterxml/jackson/databind/node/NullNode.html" title="class in com.fasterxml.jackson.databind.node">NullNode</a></code></td> 214<td class="colLast"><code><strong><a href="../../../../../com/fasterxml/jackson/databind/node/NullNode.html#getInstance()">getInstance</a></strong>()</code> </td> 215</tr> 216<tr class="rowColor"> 217<td class="colFirst"><code><a href="../../../../../com/fasterxml/jackson/databind/node/JsonNodeType.html" title="enum in com.fasterxml.jackson.databind.node">JsonNodeType</a></code></td> 218<td class="colLast"><code><strong><a href="../../../../../com/fasterxml/jackson/databind/node/NullNode.html#getNodeType()">getNodeType</a></strong>()</code> 219<div class="block">Return the type of this node</div> 220</td> 221</tr> 222<tr class="altColor"> 223<td class="colFirst"><code>int</code></td> 224<td class="colLast"><code><strong><a href="../../../../../com/fasterxml/jackson/databind/node/NullNode.html#hashCode()">hashCode</a></strong>()</code> </td> 225</tr> 226<tr class="rowColor"> 227<td class="colFirst"><code>void</code></td> 228<td class="colLast"><code><strong><a href="../../../../../com/fasterxml/jackson/databind/node/NullNode.html#serialize(com.fasterxml.jackson.core.JsonGenerator,%20com.fasterxml.jackson.databind.SerializerProvider)">serialize</a></strong>(<a href="http://fasterxml.github.com/jackson-core/javadoc/2.7/com/fasterxml/jackson/core/JsonGenerator.html?is-external=true" title="class or interface in com.fasterxml.jackson.core">JsonGenerator</a> g, 229 <a href="../../../../../com/fasterxml/jackson/databind/SerializerProvider.html" title="class in com.fasterxml.jackson.databind">SerializerProvider</a> provider)</code> 230<div class="block">Method called to serialize node instances using given generator.</div> 231</td> 232</tr> 233</table> 234<ul class="blockList"> 235<li class="blockList"><a name="methods_inherited_from_class_com.fasterxml.jackson.databind.node.ValueNode"> 236<!-- --> 237</a> 238<h3>Methods inherited from class com.fasterxml.jackson.databind.node.<a href="../../../../../com/fasterxml/jackson/databind/node/ValueNode.html" title="class in com.fasterxml.jackson.databind.node">ValueNode</a></h3> 239<code><a href="../../../../../com/fasterxml/jackson/databind/node/ValueNode.html#_at(com.fasterxml.jackson.core.JsonPointer)">_at</a>, <a href="../../../../../com/fasterxml/jackson/databind/node/ValueNode.html#deepCopy()">deepCopy</a>, <a href="../../../../../com/fasterxml/jackson/databind/node/ValueNode.html#findParent(java.lang.String)">findParent</a>, <a href="../../../../../com/fasterxml/jackson/databind/node/ValueNode.html#findParents(java.lang.String,%20java.util.List)">findParents</a>, <a href="../../../../../com/fasterxml/jackson/databind/node/ValueNode.html#findValue(java.lang.String)">findValue</a>, <a href="../../../../../com/fasterxml/jackson/databind/node/ValueNode.html#findValues(java.lang.String,%20java.util.List)">findValues</a>, <a href="../../../../../com/fasterxml/jackson/databind/node/ValueNode.html#findValuesAsText(java.lang.String,%20java.util.List)">findValuesAsText</a>, <a href="../../../../../com/fasterxml/jackson/databind/node/ValueNode.html#get(int)">get</a>, <a href="../../../../../com/fasterxml/jackson/databind/node/ValueNode.html#get(java.lang.String)">get</a>, <a href="../../../../../com/fasterxml/jackson/databind/node/ValueNode.html#has(int)">has</a>, <a href="../../../../../com/fasterxml/jackson/databind/node/ValueNode.html#has(java.lang.String)">has</a>, <a href="../../../../../com/fasterxml/jackson/databind/node/ValueNode.html#hasNonNull(int)">hasNonNull</a>, <a href="../../../../../com/fasterxml/jackson/databind/node/ValueNode.html#hasNonNull(java.lang.String)">hasNonNull</a>, <a href="../../../../../com/fasterxml/jackson/databind/node/ValueNode.html#path(int)">path</a>, <a href="../../../../../com/fasterxml/jackson/databind/node/ValueNode.html#path(java.lang.String)">path</a>, <a href="../../../../../com/fasterxml/jackson/databind/node/ValueNode.html#serializeWithType(com.fasterxml.jackson.core.JsonGenerator,%20com.fasterxml.jackson.databind.SerializerProvider,%20com.fasterxml.jackson.databind.jsontype.TypeSerializer)">serializeWithType</a>, <a href="../../../../../com/fasterxml/jackson/databind/node/ValueNode.html#toString()">toString</a></code></li> 240</ul> 241<ul class="blockList"> 242<li class="blockList"><a name="methods_inherited_from_class_com.fasterxml.jackson.databind.node.BaseJsonNode"> 243<!-- --> 244</a> 245<h3>Methods inherited from class com.fasterxml.jackson.databind.node.<a href="../../../../../com/fasterxml/jackson/databind/node/BaseJsonNode.html" title="class in com.fasterxml.jackson.databind.node">BaseJsonNode</a></h3> 246<code><a href="../../../../../com/fasterxml/jackson/databind/node/BaseJsonNode.html#findPath(java.lang.String)">findPath</a>, <a href="../../../../../com/fasterxml/jackson/databind/node/BaseJsonNode.html#numberType()">numberType</a>, <a href="../../../../../com/fasterxml/jackson/databind/node/BaseJsonNode.html#traverse()">traverse</a>, <a href="../../../../../com/fasterxml/jackson/databind/node/BaseJsonNode.html#traverse(com.fasterxml.jackson.core.ObjectCodec)">traverse</a></code></li> 247</ul> 248<ul class="blockList"> 249<li class="blockList"><a name="methods_inherited_from_class_com.fasterxml.jackson.databind.JsonNode"> 250<!-- --> 251</a> 252<h3>Methods inherited from class com.fasterxml.jackson.databind.<a href="../../../../../com/fasterxml/jackson/databind/JsonNode.html" title="class in com.fasterxml.jackson.databind">JsonNode</a></h3> 253<code><a href="../../../../../com/fasterxml/jackson/databind/JsonNode.html#asBoolean()">asBoolean</a>, <a href="../../../../../com/fasterxml/jackson/databind/JsonNode.html#asBoolean(boolean)">asBoolean</a>, <a href="../../../../../com/fasterxml/jackson/databind/JsonNode.html#asDouble()">asDouble</a>, <a href="../../../../../com/fasterxml/jackson/databind/JsonNode.html#asDouble(double)">asDouble</a>, <a href="../../../../../com/fasterxml/jackson/databind/JsonNode.html#asInt()">asInt</a>, <a href="../../../../../com/fasterxml/jackson/databind/JsonNode.html#asInt(int)">asInt</a>, <a href="../../../../../com/fasterxml/jackson/databind/JsonNode.html#asLong()">asLong</a>, <a href="../../../../../com/fasterxml/jackson/databind/JsonNode.html#asLong(long)">asLong</a>, <a href="../../../../../com/fasterxml/jackson/databind/JsonNode.html#at(com.fasterxml.jackson.core.JsonPointer)">at</a>, <a href="../../../../../com/fasterxml/jackson/databind/JsonNode.html#at(java.lang.String)">at</a>, <a href="../../../../../com/fasterxml/jackson/databind/JsonNode.html#bigIntegerValue()">bigIntegerValue</a>, <a href="../../../../../com/fasterxml/jackson/databind/JsonNode.html#binaryValue()">binaryValue</a>, <a href="../../../../../com/fasterxml/jackson/databind/JsonNode.html#booleanValue()">booleanValue</a>, <a href="../../../../../com/fasterxml/jackson/databind/JsonNode.html#canConvertToInt()">canConvertToInt</a>, <a href="../../../../../com/fasterxml/jackson/databind/JsonNode.html#canConvertToLong()">canConvertToLong</a>, <a href="../../../../../com/fasterxml/jackson/databind/JsonNode.html#decimalValue()">decimalValue</a>, <a href="../../../../../com/fasterxml/jackson/databind/JsonNode.html#doubleValue()">doubleValue</a>, <a href="../../../../../com/fasterxml/jackson/databind/JsonNode.html#elements()">elements</a>, <a href="../../../../../com/fasterxml/jackson/databind/JsonNode.html#equals(java.util.Comparator,%20com.fasterxml.jackson.databind.JsonNode)">equals</a>, <a href="../../../../../com/fasterxml/jackson/databind/JsonNode.html#fieldNames()">fieldNames</a>, <a href="../../../../../com/fasterxml/jackson/databind/JsonNode.html#fields()">fields</a>, <a href="../../../../../com/fasterxml/jackson/databind/JsonNode.html#findParents(java.lang.String)">findParents</a>, <a href="../../../../../com/fasterxml/jackson/databind/JsonNode.html#findValues(java.lang.String)">findValues</a>, <a href="../../../../../com/fasterxml/jackson/databind/JsonNode.html#findValuesAsText(java.lang.String)">findValuesAsText</a>, <a href="../../../../../com/fasterxml/jackson/databind/JsonNode.html#floatValue()">floatValue</a>, <a href="../../../../../com/fasterxml/jackson/databind/JsonNode.html#intValue()">intValue</a>, <a href="../../../../../com/fasterxml/jackson/databind/JsonNode.html#isArray()">isArray</a>, <a href="../../../../../com/fasterxml/jackson/databind/JsonNode.html#isBigDecimal()">isBigDecimal</a>, <a href="../../../../../com/fasterxml/jackson/databind/JsonNode.html#isBigInteger()">isBigInteger</a>, <a href="../../../../../com/fasterxml/jackson/databind/JsonNode.html#isBinary()">isBinary</a>, <a href="../../../../../com/fasterxml/jackson/databind/JsonNode.html#isBoolean()">isBoolean</a>, <a href="../../../../../com/fasterxml/jackson/databind/JsonNode.html#isContainerNode()">isContainerNode</a>, <a href="../../../../../com/fasterxml/jackson/databind/JsonNode.html#isDouble()">isDouble</a>, <a href="../../../../../com/fasterxml/jackson/databind/JsonNode.html#isFloat()">isFloat</a>, <a href="../../../../../com/fasterxml/jackson/databind/JsonNode.html#isFloatingPointNumber()">isFloatingPointNumber</a>, <a href="../../../../../com/fasterxml/jackson/databind/JsonNode.html#isInt()">isInt</a>, <a href="../../../../../com/fasterxml/jackson/databind/JsonNode.html#isIntegralNumber()">isIntegralNumber</a>, <a href="../../../../../com/fasterxml/jackson/databind/JsonNode.html#isLong()">isLong</a>, <a href="../../../../../com/fasterxml/jackson/databind/JsonNode.html#isMissingNode()">isMissingNode</a>, <a href="../../../../../com/fasterxml/jackson/databind/JsonNode.html#isNull()">isNull</a>, <a href="../../../../../com/fasterxml/jackson/databind/JsonNode.html#isNumber()">isNumber</a>, <a href="../../../../../com/fasterxml/jackson/databind/JsonNode.html#isObject()">isObject</a>, <a href="../../../../../com/fasterxml/jackson/databind/JsonNode.html#isPojo()">isPojo</a>, <a href="../../../../../com/fasterxml/jackson/databind/JsonNode.html#isShort()">isShort</a>, <a href="../../../../../com/fasterxml/jackson/databind/JsonNode.html#isTextual()">isTextual</a>, <a href="../../../../../com/fasterxml/jackson/databind/JsonNode.html#isValueNode()">isValueNode</a>, <a href="../../../../../com/fasterxml/jackson/databind/JsonNode.html#iterator()">iterator</a>, <a href="../../../../../com/fasterxml/jackson/databind/JsonNode.html#longValue()">longValue</a>, <a href="../../../../../com/fasterxml/jackson/databind/JsonNode.html#numberValue()">numberValue</a>, <a href="../../../../../com/fasterxml/jackson/databind/JsonNode.html#shortValue()">shortValue</a>, <a href="../../../../../com/fasterxml/jackson/databind/JsonNode.html#size()">size</a>, <a href="../../../../../com/fasterxml/jackson/databind/JsonNode.html#textValue()">textValue</a>, <a href="../../../../../com/fasterxml/jackson/databind/JsonNode.html#with(java.lang.String)">with</a>, <a href="../../../../../com/fasterxml/jackson/databind/JsonNode.html#withArray(java.lang.String)">withArray</a></code></li> 254</ul> 255<ul class="blockList"> 256<li class="blockList"><a name="methods_inherited_from_class_com.fasterxml.jackson.databind.JsonSerializable.Base"> 257<!-- --> 258</a> 259<h3>Methods inherited from class com.fasterxml.jackson.databind.<a href="../../../../../com/fasterxml/jackson/databind/JsonSerializable.Base.html" title="class in com.fasterxml.jackson.databind">JsonSerializable.Base</a></h3> 260<code><a href="../../../../../com/fasterxml/jackson/databind/JsonSerializable.Base.html#isEmpty(com.fasterxml.jackson.databind.SerializerProvider)">isEmpty</a></code></li> 261</ul> 262<ul class="blockList"> 263<li class="blockList"><a name="methods_inherited_from_class_java.lang.Object"> 264<!-- --> 265</a> 266<h3>Methods inherited from class java.lang.<a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></h3> 267<code><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#clone()" title="class or interface in java.lang">clone</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#finalize()" title="class or interface in java.lang">finalize</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#getClass()" title="class or interface in java.lang">getClass</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#notify()" title="class or interface in java.lang">notify</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#notifyAll()" title="class or interface in java.lang">notifyAll</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#wait()" title="class or interface in java.lang">wait</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#wait(long)" title="class or interface in java.lang">wait</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#wait(long,%20int)" title="class or interface in java.lang">wait</a></code></li> 268</ul> 269</li> 270</ul> 271</li> 272</ul> 273</div> 274<div class="details"> 275<ul class="blockList"> 276<li class="blockList"> 277<!-- ============ FIELD DETAIL =========== --> 278<ul class="blockList"> 279<li class="blockList"><a name="field_detail"> 280<!-- --> 281</a> 282<h3>Field Detail</h3> 283<a name="instance"> 284<!-- --> 285</a> 286<ul class="blockListLast"> 287<li class="blockList"> 288<h4>instance</h4> 289<pre>public static final <a href="../../../../../com/fasterxml/jackson/databind/node/NullNode.html" title="class in com.fasterxml.jackson.databind.node">NullNode</a> instance</pre> 290</li> 291</ul> 292</li> 293</ul> 294<!-- ============ METHOD DETAIL ========== --> 295<ul class="blockList"> 296<li class="blockList"><a name="method_detail"> 297<!-- --> 298</a> 299<h3>Method Detail</h3> 300<a name="getInstance()"> 301<!-- --> 302</a> 303<ul class="blockList"> 304<li class="blockList"> 305<h4>getInstance</h4> 306<pre>public static <a href="../../../../../com/fasterxml/jackson/databind/node/NullNode.html" title="class in com.fasterxml.jackson.databind.node">NullNode</a> getInstance()</pre> 307</li> 308</ul> 309<a name="getNodeType()"> 310<!-- --> 311</a> 312<ul class="blockList"> 313<li class="blockList"> 314<h4>getNodeType</h4> 315<pre>public <a href="../../../../../com/fasterxml/jackson/databind/node/JsonNodeType.html" title="enum in com.fasterxml.jackson.databind.node">JsonNodeType</a> getNodeType()</pre> 316<div class="block"><strong>Description copied from class: <code><a href="../../../../../com/fasterxml/jackson/databind/JsonNode.html#getNodeType()">JsonNode</a></code></strong></div> 317<div class="block">Return the type of this node</div> 318<dl> 319<dt><strong>Specified by:</strong></dt> 320<dd><code><a href="../../../../../com/fasterxml/jackson/databind/JsonNode.html#getNodeType()">getNodeType</a></code> in class <code><a href="../../../../../com/fasterxml/jackson/databind/JsonNode.html" title="class in com.fasterxml.jackson.databind">JsonNode</a></code></dd> 321<dt><span class="strong">Returns:</span></dt><dd>the node type as a <a href="../../../../../com/fasterxml/jackson/databind/node/JsonNodeType.html" title="enum in com.fasterxml.jackson.databind.node"><code>JsonNodeType</code></a> enum value</dd></dl> 322</li> 323</ul> 324<a name="asToken()"> 325<!-- --> 326</a> 327<ul class="blockList"> 328<li class="blockList"> 329<h4>asToken</h4> 330<pre>public <a href="http://fasterxml.github.com/jackson-core/javadoc/2.7/com/fasterxml/jackson/core/JsonToken.html?is-external=true" title="class or interface in com.fasterxml.jackson.core">JsonToken</a> asToken()</pre> 331<div class="block"><strong>Description copied from class: <code><a href="../../../../../com/fasterxml/jackson/databind/node/BaseJsonNode.html#asToken()">BaseJsonNode</a></code></strong></div> 332<div class="block">Method that can be used for efficient type detection 333 when using stream abstraction for traversing nodes. 334 Will return the first <a href="http://fasterxml.github.com/jackson-core/javadoc/2.7/com/fasterxml/jackson/core/JsonToken.html?is-external=true" title="class or interface in com.fasterxml.jackson.core"><code>JsonToken</code></a> that equivalent 335 stream event would produce (for most nodes there is just 336 one token but for structured/container types multiple)</div> 337<dl> 338<dt><strong>Specified by:</strong></dt> 339<dd><code><a href="http://fasterxml.github.com/jackson-core/javadoc/2.7/com/fasterxml/jackson/core/TreeNode.html?is-external=true#asToken()" title="class or interface in com.fasterxml.jackson.core">asToken</a></code> in interface <code><a href="http://fasterxml.github.com/jackson-core/javadoc/2.7/com/fasterxml/jackson/core/TreeNode.html?is-external=true" title="class or interface in com.fasterxml.jackson.core">TreeNode</a></code></dd> 340<dt><strong>Specified by:</strong></dt> 341<dd><code><a href="../../../../../com/fasterxml/jackson/databind/node/ValueNode.html#asToken()">asToken</a></code> in class <code><a href="../../../../../com/fasterxml/jackson/databind/node/ValueNode.html" title="class in com.fasterxml.jackson.databind.node">ValueNode</a></code></dd> 342</dl> 343</li> 344</ul> 345<a name="asText(java.lang.String)"> 346<!-- --> 347</a> 348<ul class="blockList"> 349<li class="blockList"> 350<h4>asText</h4> 351<pre>public <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> asText(<a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> defaultValue)</pre> 352<div class="block"><strong>Description copied from class: <code><a href="../../../../../com/fasterxml/jackson/databind/JsonNode.html#asText(java.lang.String)">JsonNode</a></code></strong></div> 353<div class="block">Method similar to <a href="../../../../../com/fasterxml/jackson/databind/JsonNode.html#asText()"><code>JsonNode.asText()</code></a>, except that it will return 354 <code>defaultValue</code> in cases where null value would be returned; 355 either for missing nodes (trying to access missing property, or element 356 at invalid item for array) or explicit nulls.</div> 357<dl> 358<dt><strong>Overrides:</strong></dt> 359<dd><code><a href="../../../../../com/fasterxml/jackson/databind/JsonNode.html#asText(java.lang.String)">asText</a></code> in class <code><a href="../../../../../com/fasterxml/jackson/databind/JsonNode.html" title="class in com.fasterxml.jackson.databind">JsonNode</a></code></dd> 360</dl> 361</li> 362</ul> 363<a name="asText()"> 364<!-- --> 365</a> 366<ul class="blockList"> 367<li class="blockList"> 368<h4>asText</h4> 369<pre>public <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> asText()</pre> 370<div class="block"><strong>Description copied from class: <code><a href="../../../../../com/fasterxml/jackson/databind/JsonNode.html#asText()">JsonNode</a></code></strong></div> 371<div class="block">Method that will return a valid String representation of 372 the container value, if the node is a value node 373 (method <a href="../../../../../com/fasterxml/jackson/databind/JsonNode.html#isValueNode()"><code>JsonNode.isValueNode()</code></a> returns true), 374 otherwise empty String.</div> 375<dl> 376<dt><strong>Specified by:</strong></dt> 377<dd><code><a href="../../../../../com/fasterxml/jackson/databind/JsonNode.html#asText()">asText</a></code> in class <code><a href="../../../../../com/fasterxml/jackson/databind/JsonNode.html" title="class in com.fasterxml.jackson.databind">JsonNode</a></code></dd> 378</dl> 379</li> 380</ul> 381<a name="serialize(com.fasterxml.jackson.core.JsonGenerator, com.fasterxml.jackson.databind.SerializerProvider)"> 382<!-- --> 383</a> 384<ul class="blockList"> 385<li class="blockList"> 386<h4>serialize</h4> 387<pre>public final void serialize(<a href="http://fasterxml.github.com/jackson-core/javadoc/2.7/com/fasterxml/jackson/core/JsonGenerator.html?is-external=true" title="class or interface in com.fasterxml.jackson.core">JsonGenerator</a> g, 388 <a href="../../../../../com/fasterxml/jackson/databind/SerializerProvider.html" title="class in com.fasterxml.jackson.databind">SerializerProvider</a> provider) 389 throws <a href="http://docs.oracle.com/javase/7/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre> 390<div class="block"><strong>Description copied from class: <code><a href="../../../../../com/fasterxml/jackson/databind/node/BaseJsonNode.html#serialize(com.fasterxml.jackson.core.JsonGenerator,%20com.fasterxml.jackson.databind.SerializerProvider)">BaseJsonNode</a></code></strong></div> 391<div class="block">Method called to serialize node instances using given generator.</div> 392<dl> 393<dt><strong>Specified by:</strong></dt> 394<dd><code><a href="../../../../../com/fasterxml/jackson/databind/JsonSerializable.html#serialize(com.fasterxml.jackson.core.JsonGenerator,%20com.fasterxml.jackson.databind.SerializerProvider)">serialize</a></code> in interface <code><a href="../../../../../com/fasterxml/jackson/databind/JsonSerializable.html" title="interface in com.fasterxml.jackson.databind">JsonSerializable</a></code></dd> 395<dt><strong>Specified by:</strong></dt> 396<dd><code><a href="../../../../../com/fasterxml/jackson/databind/node/BaseJsonNode.html#serialize(com.fasterxml.jackson.core.JsonGenerator,%20com.fasterxml.jackson.databind.SerializerProvider)">serialize</a></code> in class <code><a href="../../../../../com/fasterxml/jackson/databind/node/BaseJsonNode.html" title="class in com.fasterxml.jackson.databind.node">BaseJsonNode</a></code></dd> 397<dt><span class="strong">Throws:</span></dt> 398<dd><code><a href="http://docs.oracle.com/javase/7/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd></dl> 399</li> 400</ul> 401<a name="equals(java.lang.Object)"> 402<!-- --> 403</a> 404<ul class="blockList"> 405<li class="blockList"> 406<h4>equals</h4> 407<pre>public boolean equals(<a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a> o)</pre> 408<div class="block"><strong>Description copied from class: <code><a href="../../../../../com/fasterxml/jackson/databind/JsonNode.html#equals(java.lang.Object)">JsonNode</a></code></strong></div> 409<div class="block">Equality for node objects is defined as full (deep) value 410 equality. This means that it is possible to compare complete 411 JSON trees for equality by comparing equality of root nodes. 412<p> 413 Note: marked as abstract to ensure all implementation 414 classes define it properly and not rely on definition 415 from <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang"><code>Object</code></a>.</div> 416<dl> 417<dt><strong>Specified by:</strong></dt> 418<dd><code><a href="../../../../../com/fasterxml/jackson/databind/JsonNode.html#equals(java.lang.Object)">equals</a></code> in class <code><a href="../../../../../com/fasterxml/jackson/databind/JsonNode.html" title="class in com.fasterxml.jackson.databind">JsonNode</a></code></dd> 419</dl> 420</li> 421</ul> 422<a name="hashCode()"> 423<!-- --> 424</a> 425<ul class="blockListLast"> 426<li class="blockList"> 427<h4>hashCode</h4> 428<pre>public int hashCode()</pre> 429<dl> 430<dt><strong>Specified by:</strong></dt> 431<dd><code><a href="../../../../../com/fasterxml/jackson/databind/node/BaseJsonNode.html#hashCode()">hashCode</a></code> in class <code><a href="../../../../../com/fasterxml/jackson/databind/node/BaseJsonNode.html" title="class in com.fasterxml.jackson.databind.node">BaseJsonNode</a></code></dd> 432</dl> 433</li> 434</ul> 435</li> 436</ul> 437</li> 438</ul> 439</div> 440</div> 441<!-- ========= END OF CLASS DATA ========= --> 442<!-- ======= START OF BOTTOM NAVBAR ====== --> 443<div class="bottomNav"><a name="navbar_bottom"> 444<!-- --> 445</a><a href="#skip-navbar_bottom" title="Skip navigation links"></a><a name="navbar_bottom_firstrow"> 446<!-- --> 447</a> 448<ul class="navList" title="Navigation"> 449<li><a href="../../../../../overview-summary.html">Overview</a></li> 450<li><a href="package-summary.html">Package</a></li> 451<li class="navBarCell1Rev">Class</li> 452<li><a href="class-use/NullNode.html">Use</a></li> 453<li><a href="package-tree.html">Tree</a></li> 454<li><a href="../../../../../deprecated-list.html">Deprecated</a></li> 455<li><a href="../../../../../index-all.html">Index</a></li> 456<li><a href="../../../../../help-doc.html">Help</a></li> 457</ul> 458</div> 459<div class="subNav"> 460<ul class="navList"> 461<li><a href="../../../../../com/fasterxml/jackson/databind/node/MissingNode.html" title="class in com.fasterxml.jackson.databind.node"><span class="strong">Prev Class</span></a></li> 462<li><a href="../../../../../com/fasterxml/jackson/databind/node/NumericNode.html" title="class in com.fasterxml.jackson.databind.node"><span class="strong">Next Class</span></a></li> 463</ul> 464<ul class="navList"> 465<li><a href="../../../../../index.html?com/fasterxml/jackson/databind/node/NullNode.html" target="_top">Frames</a></li> 466<li><a href="NullNode.html" target="_top">No Frames</a></li> 467</ul> 468<ul class="navList" id="allclasses_navbar_bottom"> 469<li><a href="../../../../../allclasses-noframe.html">All Classes</a></li> 470</ul> 471<div> 472<script type="text/javascript"><!-- 473 allClassesLink = document.getElementById("allclasses_navbar_bottom"); 474 if(window==top) { 475 allClassesLink.style.display = "block"; 476 } 477 else { 478 allClassesLink.style.display = "none"; 479 } 480 //--> 481</script> 482</div> 483<div> 484<ul class="subNavList"> 485<li>Summary: </li> 486<li>Nested | </li> 487<li><a href="#field_summary">Field</a> | </li> 488<li>Constr | </li> 489<li><a href="#method_summary">Method</a></li> 490</ul> 491<ul class="subNavList"> 492<li>Detail: </li> 493<li><a href="#field_detail">Field</a> | </li> 494<li>Constr | </li> 495<li><a href="#method_detail">Method</a></li> 496</ul> 497</div> 498<a name="skip-navbar_bottom"> 499<!-- --> 500</a></div> 501<!-- ======== END OF BOTTOM NAVBAR ======= --> 502<p class="legalCopy"><small>Copyright © 2008–2016 <a href="http://fasterxml.com/">FasterXML</a>. All rights reserved.</small></p> 503</body> 504</html> 505