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 (1.8.0) on Sun Jul 19 11:36:52 PDT 2015 --> 6<meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> 7<title>BaseJsonNode (jackson-databind 2.6.0 API)</title> 8<meta name="date" content="2015-07-19"> 9<link rel="stylesheet" type="text/css" href="../../../../../stylesheet.css" title="Style"> 10<script type="text/javascript" src="../../../../../script.js"></script> 11</head> 12<body> 13<script type="text/javascript"><!-- 14 try { 15 if (location.href.indexOf('is-external=true') == -1) { 16 parent.document.title="BaseJsonNode (jackson-databind 2.6.0 API)"; 17 } 18 } 19 catch(err) { 20 } 21//--> 22var methods = {"i0":6,"i1":10,"i2":10,"i3":6,"i4":6,"i5":10,"i6":10}; 23var tabs = {65535:["t0","All Methods"],2:["t2","Instance Methods"],4:["t3","Abstract Methods"],8:["t4","Concrete Methods"]}; 24var altColor 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51<div class="subNav"> 52<ul class="navList"> 53<li><a href="../../../../../com/fasterxml/jackson/databind/node/ArrayNode.html" title="class in com.fasterxml.jackson.databind.node"><span class="typeNameLink">Prev Class</span></a></li> 54<li><a href="../../../../../com/fasterxml/jackson/databind/node/BigIntegerNode.html" title="class in com.fasterxml.jackson.databind.node"><span class="typeNameLink">Next Class</span></a></li> 55</ul> 56<ul class="navList"> 57<li><a href="../../../../../index.html?com/fasterxml/jackson/databind/node/BaseJsonNode.html" target="_top">Frames</a></li> 58<li><a href="BaseJsonNode.html" target="_top">No Frames</a></li> 59</ul> 60<ul class="navList" id="allclasses_navbar_top"> 61<li><a href="../../../../../allclasses-noframe.html">All Classes</a></li> 62</ul> 63<div> 64<script type="text/javascript"><!-- 65 allClassesLink = document.getElementById("allclasses_navbar_top"); 66 if(window==top) { 67 allClassesLink.style.display = "block"; 68 } 69 else { 70 allClassesLink.style.display = "none"; 71 } 72 //--> 73</script> 74</div> 75<div> 76<ul class="subNavList"> 77<li>Summary: </li> 78<li>Nested | </li> 79<li>Field | </li> 80<li><a href="#constructor.summary">Constr</a> | </li> 81<li><a href="#method.summary">Method</a></li> 82</ul> 83<ul class="subNavList"> 84<li>Detail: </li> 85<li>Field | </li> 86<li><a href="#constructor.detail">Constr</a> | </li> 87<li><a href="#method.detail">Method</a></li> 88</ul> 89</div> 90<a name="skip.navbar.top"> 91<!-- --> 92</a></div> 93<!-- ========= END OF TOP NAVBAR ========= --> 94<!-- ======== START OF CLASS DATA ======== --> 95<div class="header"> 96<div class="subTitle">com.fasterxml.jackson.databind.node</div> 97<h2 title="Class BaseJsonNode" class="title">Class BaseJsonNode</h2> 98</div> 99<div class="contentContainer"> 100<ul class="inheritance"> 101<li><a href="http://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">java.lang.Object</a></li> 102<li> 103<ul class="inheritance"> 104<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> 105<li> 106<ul class="inheritance"> 107<li><a href="../../../../../com/fasterxml/jackson/databind/JsonNode.html" title="class in com.fasterxml.jackson.databind">com.fasterxml.jackson.databind.JsonNode</a></li> 108<li> 109<ul class="inheritance"> 110<li>com.fasterxml.jackson.databind.node.BaseJsonNode</li> 111</ul> 112</li> 113</ul> 114</li> 115</ul> 116</li> 117</ul> 118<div class="description"> 119<ul class="blockList"> 120<li class="blockList"> 121<dl> 122<dt>All Implemented Interfaces:</dt> 123<dd>com.fasterxml.jackson.core.TreeNode, <a href="../../../../../com/fasterxml/jackson/databind/JsonSerializable.html" title="interface in com.fasterxml.jackson.databind">JsonSerializable</a>, <a href="http://docs.oracle.com/javase/6/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> 124</dl> 125<dl> 126<dt>Direct Known Subclasses:</dt> 127<dd><a href="../../../../../com/fasterxml/jackson/databind/node/ContainerNode.html" title="class in com.fasterxml.jackson.databind.node">ContainerNode</a>, <a href="../../../../../com/fasterxml/jackson/databind/node/ValueNode.html" title="class in com.fasterxml.jackson.databind.node">ValueNode</a></dd> 128</dl> 129<hr> 130<br> 131<pre>public abstract class <span class="typeNameLabel">BaseJsonNode</span> 132extends <a href="../../../../../com/fasterxml/jackson/databind/JsonNode.html" title="class in com.fasterxml.jackson.databind">JsonNode</a> 133implements <a href="../../../../../com/fasterxml/jackson/databind/JsonSerializable.html" title="interface in com.fasterxml.jackson.databind">JsonSerializable</a></pre> 134<div class="block">Abstract base class common to all standard <a href="../../../../../com/fasterxml/jackson/databind/JsonNode.html" title="class in com.fasterxml.jackson.databind"><code>JsonNode</code></a> 135 implementations. 136 The main addition here is that we declare that sub-classes must 137 implement <a href="../../../../../com/fasterxml/jackson/databind/JsonSerializable.html" title="interface in com.fasterxml.jackson.databind"><code>JsonSerializable</code></a>. 138 This simplifies object mapping aspects a bit, as no external serializers are needed.</div> 139</li> 140</ul> 141</div> 142<div class="summary"> 143<ul class="blockList"> 144<li class="blockList"> 145<!-- ======== NESTED CLASS SUMMARY ======== --> 146<ul class="blockList"> 147<li class="blockList"><a name="nested.class.summary"> 148<!-- --> 149</a> 150<h3>Nested Class Summary</h3> 151<ul class="blockList"> 152<li class="blockList"><a name="nested.classes.inherited.from.class.com.fasterxml.jackson.databind.JsonSerializable"> 153<!-- --> 154</a> 155<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> 156<code><a href="../../../../../com/fasterxml/jackson/databind/JsonSerializable.Base.html" title="class in com.fasterxml.jackson.databind">JsonSerializable.Base</a></code></li> 157</ul> 158</li> 159</ul> 160<!-- ======== CONSTRUCTOR SUMMARY ======== --> 161<ul class="blockList"> 162<li class="blockList"><a name="constructor.summary"> 163<!-- --> 164</a> 165<h3>Constructor Summary</h3> 166<table class="memberSummary" border="0" cellpadding="3" cellspacing="0" summary="Constructor Summary table, listing constructors, and an explanation"> 167<caption><span>Constructors</span><span class="tabEnd"> </span></caption> 168<tr> 169<th class="colFirst" scope="col">Modifier</th> 170<th class="colLast" scope="col">Constructor and Description</th> 171</tr> 172<tr class="altColor"> 173<td class="colFirst"><code>protected </code></td> 174<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../com/fasterxml/jackson/databind/node/BaseJsonNode.html#BaseJsonNode--">BaseJsonNode</a></span>()</code> </td> 175</tr> 176</table> 177</li> 178</ul> 179<!-- ========== METHOD SUMMARY =========== --> 180<ul class="blockList"> 181<li class="blockList"><a name="method.summary"> 182<!-- --> 183</a> 184<h3>Method Summary</h3> 185<table class="memberSummary" border="0" cellpadding="3" cellspacing="0" summary="Method Summary table, listing methods, and an explanation"> 186<caption><span id="t0" class="activeTableTab"><span>All Methods</span><span class="tabEnd"> </span></span><span id="t2" class="tableTab"><span><a href="javascript:show(2);">Instance Methods</a></span><span class="tabEnd"> </span></span><span id="t3" class="tableTab"><span><a href="javascript:show(4);">Abstract Methods</a></span><span class="tabEnd"> </span></span><span id="t4" class="tableTab"><span><a href="javascript:show(8);">Concrete Methods</a></span><span class="tabEnd"> </span></span></caption> 187<tr> 188<th class="colFirst" scope="col">Modifier and Type</th> 189<th class="colLast" scope="col">Method and Description</th> 190</tr> 191<tr id="i0" class="altColor"> 192<td class="colFirst"><code>abstract com.fasterxml.jackson.core.JsonToken</code></td> 193<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../com/fasterxml/jackson/databind/node/BaseJsonNode.html#asToken--">asToken</a></span>()</code> 194<div class="block">Method that can be used for efficient type detection 195 when using stream abstraction for traversing nodes.</div> 196</td> 197</tr> 198<tr id="i1" class="rowColor"> 199<td class="colFirst"><code><a href="../../../../../com/fasterxml/jackson/databind/JsonNode.html" title="class in com.fasterxml.jackson.databind">JsonNode</a></code></td> 200<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../com/fasterxml/jackson/databind/node/BaseJsonNode.html#findPath-java.lang.String-">findPath</a></span>(<a href="http://docs.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> fieldName)</code> 201<div class="block">Method similar to <a href="../../../../../com/fasterxml/jackson/databind/JsonNode.html#findValue-java.lang.String-"><code>JsonNode.findValue(java.lang.String)</code></a>, but that will return a 202 "missing node" instead of null if no field is found.</div> 203</td> 204</tr> 205<tr id="i2" class="altColor"> 206<td class="colFirst"><code>com.fasterxml.jackson.core.JsonParser.NumberType</code></td> 207<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../com/fasterxml/jackson/databind/node/BaseJsonNode.html#numberType--">numberType</a></span>()</code> 208<div class="block">Returns code that identifies type of underlying numeric 209 value, if (and only if) node is a number node.</div> 210</td> 211</tr> 212<tr id="i3" class="rowColor"> 213<td class="colFirst"><code>abstract void</code></td> 214<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../com/fasterxml/jackson/databind/node/BaseJsonNode.html#serialize-com.fasterxml.jackson.core.JsonGenerator-com.fasterxml.jackson.databind.SerializerProvider-">serialize</a></span>(com.fasterxml.jackson.core.JsonGenerator jgen, 215 <a href="../../../../../com/fasterxml/jackson/databind/SerializerProvider.html" title="class in com.fasterxml.jackson.databind">SerializerProvider</a> provider)</code> 216<div class="block">Method called to serialize node instances using given generator.</div> 217</td> 218</tr> 219<tr id="i4" class="altColor"> 220<td class="colFirst"><code>abstract void</code></td> 221<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../com/fasterxml/jackson/databind/node/BaseJsonNode.html#serializeWithType-com.fasterxml.jackson.core.JsonGenerator-com.fasterxml.jackson.databind.SerializerProvider-com.fasterxml.jackson.databind.jsontype.TypeSerializer-">serializeWithType</a></span>(com.fasterxml.jackson.core.JsonGenerator jgen, 222 <a href="../../../../../com/fasterxml/jackson/databind/SerializerProvider.html" title="class in com.fasterxml.jackson.databind">SerializerProvider</a> provider, 223 <a href="../../../../../com/fasterxml/jackson/databind/jsontype/TypeSerializer.html" title="class in com.fasterxml.jackson.databind.jsontype">TypeSerializer</a> typeSer)</code> 224<div class="block">Type information is needed, even if JsonNode instances are "plain" JSON, 225 since they may be mixed with other types.</div> 226</td> 227</tr> 228<tr id="i5" class="rowColor"> 229<td class="colFirst"><code>com.fasterxml.jackson.core.JsonParser</code></td> 230<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../com/fasterxml/jackson/databind/node/BaseJsonNode.html#traverse--">traverse</a></span>()</code> </td> 231</tr> 232<tr id="i6" class="altColor"> 233<td class="colFirst"><code>com.fasterxml.jackson.core.JsonParser</code></td> 234<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../com/fasterxml/jackson/databind/node/BaseJsonNode.html#traverse-com.fasterxml.jackson.core.ObjectCodec-">traverse</a></span>(com.fasterxml.jackson.core.ObjectCodec codec)</code> </td> 235</tr> 236</table> 237<ul class="blockList"> 238<li class="blockList"><a name="methods.inherited.from.class.com.fasterxml.jackson.databind.JsonNode"> 239<!-- --> 240</a> 241<h3>Methods inherited from class com.fasterxml.jackson.databind.<a href="../../../../../com/fasterxml/jackson/databind/JsonNode.html" title="class in 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com.fasterxml.jackson.databind">JsonNode</a> findPath(<a href="http://docs.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> fieldName)</pre> 303<div class="block"><span class="descfrmTypeLabel">Description copied from class: <code><a href="../../../../../com/fasterxml/jackson/databind/JsonNode.html#findPath-java.lang.String-">JsonNode</a></code></span></div> 304<div class="block">Method similar to <a href="../../../../../com/fasterxml/jackson/databind/JsonNode.html#findValue-java.lang.String-"><code>JsonNode.findValue(java.lang.String)</code></a>, but that will return a 305 "missing node" instead of null if no field is found. Missing node 306 is a specific kind of node for which <a href="../../../../../com/fasterxml/jackson/databind/JsonNode.html#isMissingNode--"><code>JsonNode.isMissingNode()</code></a> 307 returns true; and all value access methods return empty or 308 missing value.</div> 309<dl> 310<dt><span class="overrideSpecifyLabel">Specified by:</span></dt> 311<dd><code><a href="../../../../../com/fasterxml/jackson/databind/JsonNode.html#findPath-java.lang.String-">findPath</a></code> in class <code><a href="../../../../../com/fasterxml/jackson/databind/JsonNode.html" title="class in com.fasterxml.jackson.databind">JsonNode</a></code></dd> 312<dt><span class="paramLabel">Parameters:</span></dt> 313<dd><code>fieldName</code> - Name of field to look for</dd> 314<dt><span class="returnLabel">Returns:</span></dt> 315<dd>Value of first matching node found; or if not found, a 316 "missing node" (non-null instance that has no value)</dd> 317</dl> 318</li> 319</ul> 320<a name="traverse--"> 321<!-- --> 322</a> 323<ul class="blockList"> 324<li class="blockList"> 325<h4>traverse</h4> 326<pre>public com.fasterxml.jackson.core.JsonParser traverse()</pre> 327<dl> 328<dt><span class="overrideSpecifyLabel">Specified by:</span></dt> 329<dd><code>traverse</code> in interface <code>com.fasterxml.jackson.core.TreeNode</code></dd> 330</dl> 331</li> 332</ul> 333<a name="traverse-com.fasterxml.jackson.core.ObjectCodec-"> 334<!-- --> 335</a> 336<ul class="blockList"> 337<li class="blockList"> 338<h4>traverse</h4> 339<pre>public com.fasterxml.jackson.core.JsonParser traverse(com.fasterxml.jackson.core.ObjectCodec codec)</pre> 340<dl> 341<dt><span class="overrideSpecifyLabel">Specified by:</span></dt> 342<dd><code>traverse</code> in interface <code>com.fasterxml.jackson.core.TreeNode</code></dd> 343</dl> 344</li> 345</ul> 346<a name="asToken--"> 347<!-- --> 348</a> 349<ul class="blockList"> 350<li class="blockList"> 351<h4>asToken</h4> 352<pre>public abstract com.fasterxml.jackson.core.JsonToken asToken()</pre> 353<div class="block">Method that can be used for efficient type detection 354 when using stream abstraction for traversing nodes. 355 Will return the first <code>JsonToken</code> that equivalent 356 stream event would produce (for most nodes there is just 357 one token but for structured/container types multiple)</div> 358<dl> 359<dt><span class="overrideSpecifyLabel">Specified by:</span></dt> 360<dd><code>asToken</code> in interface <code>com.fasterxml.jackson.core.TreeNode</code></dd> 361</dl> 362</li> 363</ul> 364<a name="numberType--"> 365<!-- --> 366</a> 367<ul class="blockList"> 368<li class="blockList"> 369<h4>numberType</h4> 370<pre>public com.fasterxml.jackson.core.JsonParser.NumberType numberType()</pre> 371<div class="block">Returns code that identifies type of underlying numeric 372 value, if (and only if) node is a number node.</div> 373<dl> 374<dt><span class="overrideSpecifyLabel">Specified by:</span></dt> 375<dd><code>numberType</code> in interface <code>com.fasterxml.jackson.core.TreeNode</code></dd> 376</dl> 377</li> 378</ul> 379<a name="serialize-com.fasterxml.jackson.core.JsonGenerator-com.fasterxml.jackson.databind.SerializerProvider-"> 380<!-- --> 381</a> 382<ul class="blockList"> 383<li class="blockList"> 384<h4>serialize</h4> 385<pre>public abstract void serialize(com.fasterxml.jackson.core.JsonGenerator jgen, 386 <a href="../../../../../com/fasterxml/jackson/databind/SerializerProvider.html" title="class in com.fasterxml.jackson.databind">SerializerProvider</a> provider) 387 throws <a href="http://docs.oracle.com/javase/6/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a>, 388 com.fasterxml.jackson.core.JsonProcessingException</pre> 389<div class="block">Method called to serialize node instances using given generator.</div> 390<dl> 391<dt><span class="overrideSpecifyLabel">Specified by:</span></dt> 392<dd><code><a href="../../../../../com/fasterxml/jackson/databind/JsonSerializable.html#serialize-com.fasterxml.jackson.core.JsonGenerator-com.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> 393<dt><span class="throwsLabel">Throws:</span></dt> 394<dd><code><a href="http://docs.oracle.com/javase/6/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd> 395<dd><code>com.fasterxml.jackson.core.JsonProcessingException</code></dd> 396</dl> 397</li> 398</ul> 399<a name="serializeWithType-com.fasterxml.jackson.core.JsonGenerator-com.fasterxml.jackson.databind.SerializerProvider-com.fasterxml.jackson.databind.jsontype.TypeSerializer-"> 400<!-- --> 401</a> 402<ul class="blockListLast"> 403<li class="blockList"> 404<h4>serializeWithType</h4> 405<pre>public abstract void serializeWithType(com.fasterxml.jackson.core.JsonGenerator jgen, 406 <a href="../../../../../com/fasterxml/jackson/databind/SerializerProvider.html" title="class in com.fasterxml.jackson.databind">SerializerProvider</a> provider, 407 <a href="../../../../../com/fasterxml/jackson/databind/jsontype/TypeSerializer.html" title="class in com.fasterxml.jackson.databind.jsontype">TypeSerializer</a> typeSer) 408 throws <a href="http://docs.oracle.com/javase/6/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a>, 409 com.fasterxml.jackson.core.JsonProcessingException</pre> 410<div class="block">Type information is needed, even if JsonNode instances are "plain" JSON, 411 since they may be mixed with other types.</div> 412<dl> 413<dt><span class="overrideSpecifyLabel">Specified by:</span></dt> 414<dd><code><a href="../../../../../com/fasterxml/jackson/databind/JsonSerializable.html#serializeWithType-com.fasterxml.jackson.core.JsonGenerator-com.fasterxml.jackson.databind.SerializerProvider-com.fasterxml.jackson.databind.jsontype.TypeSerializer-">serializeWithType</a></code> in interface <code><a href="../../../../../com/fasterxml/jackson/databind/JsonSerializable.html" title="interface in com.fasterxml.jackson.databind">JsonSerializable</a></code></dd> 415<dt><span class="throwsLabel">Throws:</span></dt> 416<dd><code><a href="http://docs.oracle.com/javase/6/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd> 417<dd><code>com.fasterxml.jackson.core.JsonProcessingException</code></dd> 418</dl> 419</li> 420</ul> 421</li> 422</ul> 423</li> 424</ul> 425</div> 426</div> 427<!-- ========= END OF CLASS DATA ========= --> 428<!-- ======= START OF BOTTOM NAVBAR ====== --> 429<div class="bottomNav"><a name="navbar.bottom"> 430<!-- --> 431</a> 432<div class="skipNav"><a href="#skip.navbar.bottom" title="Skip navigation links">Skip navigation links</a></div> 433<a name="navbar.bottom.firstrow"> 434<!-- --> 435</a> 436<ul class="navList" title="Navigation"> 437<li><a href="../../../../../overview-summary.html">Overview</a></li> 438<li><a href="package-summary.html">Package</a></li> 439<li class="navBarCell1Rev">Class</li> 440<li><a href="class-use/BaseJsonNode.html">Use</a></li> 441<li><a href="package-tree.html">Tree</a></li> 442<li><a href="../../../../../deprecated-list.html">Deprecated</a></li> 443<li><a href="../../../../../index-all.html">Index</a></li> 444<li><a href="../../../../../help-doc.html">Help</a></li> 445</ul> 446</div> 447<div class="subNav"> 448<ul class="navList"> 449<li><a href="../../../../../com/fasterxml/jackson/databind/node/ArrayNode.html" title="class in com.fasterxml.jackson.databind.node"><span class="typeNameLink">Prev Class</span></a></li> 450<li><a 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