1<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> 2<!--NewPage--> 3<HTML> 4<HEAD> 5<!-- Generated by javadoc (build 1.6.0_35) on Tue Oct 09 17:08:18 PDT 2012 --> 6<META http-equiv="Content-Type" content="text/html; charset=UTF-8"> 7<TITLE> 8NullNode (jackson-databind 2.1.0 API) 9</TITLE> 10 11<META NAME="date" CONTENT="2012-10-09"> 12 13<LINK REL ="stylesheet" TYPE="text/css" HREF="../../../../../stylesheet.css" TITLE="Style"> 14 15<SCRIPT type="text/javascript"> 16function windowTitle() 17{ 18 if (location.href.indexOf('is-external=true') == -1) { 19 parent.document.title="NullNode (jackson-databind 2.1.0 API)"; 20 } 21} 22</SCRIPT> 23<NOSCRIPT> 24</NOSCRIPT> 25 26</HEAD> 27 28<BODY BGCOLOR="white" onload="windowTitle();"> 29<HR> 30 31 32<!-- ========= START OF TOP NAVBAR ======= --> 33<A NAME="navbar_top"><!-- --></A> 34<A HREF="#skip-navbar_top" title="Skip navigation links"></A> 35<TABLE BORDER="0" WIDTH="100%" CELLPADDING="1" 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NullNode</H2> 95<PRE> 96<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> 97 <IMG SRC="../../../../../resources/inherit.gif" ALT="extended by "><A HREF="../../../../../com/fasterxml/jackson/databind/JsonNode.html" title="class in com.fasterxml.jackson.databind">com.fasterxml.jackson.databind.JsonNode</A> 98 <IMG SRC="../../../../../resources/inherit.gif" ALT="extended by "><A HREF="../../../../../com/fasterxml/jackson/databind/node/BaseJsonNode.html" title="class in com.fasterxml.jackson.databind.node">com.fasterxml.jackson.databind.node.BaseJsonNode</A> 99 <IMG SRC="../../../../../resources/inherit.gif" ALT="extended by "><A HREF="../../../../../com/fasterxml/jackson/databind/node/ValueNode.html" title="class in com.fasterxml.jackson.databind.node">com.fasterxml.jackson.databind.node.ValueNode</A> 100 <IMG SRC="../../../../../resources/inherit.gif" ALT="extended by "><B>com.fasterxml.jackson.databind.node.NullNode</B> 101</PRE> 102<DL> 103<DT><B>All Implemented Interfaces:</B> <DD><A HREF="http://fasterxml.github.com/jackson-core/javadoc/2.1.0/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/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> 104</DL> 105<HR> 106<DL> 107<DT><PRE>public final class <B>NullNode</B><DT>extends <A HREF="../../../../../com/fasterxml/jackson/databind/node/ValueNode.html" title="class in com.fasterxml.jackson.databind.node">ValueNode</A></DL> 108</PRE> 109 110<P> 111This singleton value class is used to contain explicit JSON null 112 value. 113<P> 114 115<P> 116<HR> 117 118<P> 119<!-- =========== FIELD SUMMARY =========== --> 120 121<A NAME="field_summary"><!-- --></A> 122<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> 123<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"> 124<TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2"> 125<B>Field Summary</B></FONT></TH> 126</TR> 127<TR BGCOLOR="white" CLASS="TableRowColor"> 128<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> 129<CODE>static <A HREF="../../../../../com/fasterxml/jackson/databind/node/NullNode.html" title="class in com.fasterxml.jackson.databind.node">NullNode</A></CODE></FONT></TD> 130<TD><CODE><B><A HREF="../../../../../com/fasterxml/jackson/databind/node/NullNode.html#instance">instance</A></B></CODE> 131 132<BR> 133 </TD> 134</TR> 135</TABLE> 136 <A NAME="fields_inherited_from_class_com.fasterxml.jackson.databind.JsonNode"><!-- --></A> 137<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> 138<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor"> 139<TH ALIGN="left"><B>Fields inherited from class com.fasterxml.jackson.databind.<A HREF="../../../../../com/fasterxml/jackson/databind/JsonNode.html" title="class in com.fasterxml.jackson.databind">JsonNode</A></B></TH> 140</TR> 141<TR BGCOLOR="white" CLASS="TableRowColor"> 142<TD><CODE><A HREF="../../../../../com/fasterxml/jackson/databind/JsonNode.html#NO_NODES">NO_NODES</A>, <A HREF="../../../../../com/fasterxml/jackson/databind/JsonNode.html#NO_STRINGS">NO_STRINGS</A></CODE></TD> 143</TR> 144</TABLE> 145 146<!-- ========== METHOD SUMMARY =========== --> 147 148<A NAME="method_summary"><!-- --></A> 149<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> 150<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"> 151<TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2"> 152<B>Method Summary</B></FONT></TH> 153</TR> 154<TR BGCOLOR="white" CLASS="TableRowColor"> 155<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> 156<CODE> <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></CODE></FONT></TD> 157<TD><CODE><B><A HREF="../../../../../com/fasterxml/jackson/databind/node/NullNode.html#asText()">asText</A></B>()</CODE> 158 159<BR> 160 Method that will return a valid String representation of 161 the container value, if the node is a value node 162 (method <A HREF="../../../../../com/fasterxml/jackson/databind/JsonNode.html#isValueNode()"><CODE>JsonNode.isValueNode()</CODE></A> returns true), 163 otherwise empty String.</TD> 164</TR> 165<TR BGCOLOR="white" CLASS="TableRowColor"> 166<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> 167<CODE> <A HREF="http://fasterxml.github.com/jackson-core/javadoc/2.1.0/com/fasterxml/jackson/core/JsonToken.html?is-external=true" title="class or interface in com.fasterxml.jackson.core">JsonToken</A></CODE></FONT></TD> 168<TD><CODE><B><A HREF="../../../../../com/fasterxml/jackson/databind/node/NullNode.html#asToken()">asToken</A></B>()</CODE> 169 170<BR> 171 Method that can be used for efficient type detection 172 when using stream abstraction for traversing nodes.</TD> 173</TR> 174<TR BGCOLOR="white" CLASS="TableRowColor"> 175<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> 176<CODE> boolean</CODE></FONT></TD> 177<TD><CODE><B><A HREF="../../../../../com/fasterxml/jackson/databind/node/NullNode.html#equals(java.lang.Object)">equals</A></B>(<A HREF="http://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</A> o)</CODE> 178 179<BR> 180 Equality for node objects is defined as full (deep) value 181 equality.</TD> 182</TR> 183<TR BGCOLOR="white" CLASS="TableRowColor"> 184<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> 185<CODE>static <A HREF="../../../../../com/fasterxml/jackson/databind/node/NullNode.html" title="class in com.fasterxml.jackson.databind.node">NullNode</A></CODE></FONT></TD> 186<TD><CODE><B><A HREF="../../../../../com/fasterxml/jackson/databind/node/NullNode.html#getInstance()">getInstance</A></B>()</CODE> 187 188<BR> 189 </TD> 190</TR> 191<TR BGCOLOR="white" CLASS="TableRowColor"> 192<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> 193<CODE> boolean</CODE></FONT></TD> 194<TD><CODE><B><A HREF="../../../../../com/fasterxml/jackson/databind/node/NullNode.html#isNull()">isNull</A></B>()</CODE> 195 196<BR> 197 Method that can be used to check if this node was created from 198 JSON literal null value.</TD> 199</TR> 200<TR BGCOLOR="white" CLASS="TableRowColor"> 201<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> 202<CODE> void</CODE></FONT></TD> 203<TD><CODE><B><A HREF="../../../../../com/fasterxml/jackson/databind/node/NullNode.html#serialize(com.fasterxml.jackson.core.JsonGenerator, com.fasterxml.jackson.databind.SerializerProvider)">serialize</A></B>(<A HREF="http://fasterxml.github.com/jackson-core/javadoc/2.1.0/com/fasterxml/jackson/core/JsonGenerator.html?is-external=true" title="class or interface in com.fasterxml.jackson.core">JsonGenerator</A> jg, 204 <A HREF="../../../../../com/fasterxml/jackson/databind/SerializerProvider.html" title="class in com.fasterxml.jackson.databind">SerializerProvider</A> provider)</CODE> 205 206<BR> 207 Method called to serialize node instances using given generator.</TD> 208</TR> 209</TABLE> 210 <A NAME="methods_inherited_from_class_com.fasterxml.jackson.databind.node.ValueNode"><!-- --></A> 211<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> 212<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor"> 213<TH ALIGN="left"><B>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></B></TH> 214</TR> 215<TR BGCOLOR="white" CLASS="TableRowColor"> 216<TD><CODE><A HREF="../../../../../com/fasterxml/jackson/databind/node/ValueNode.html#deepCopy()">deepCopy</A>, <A HREF="../../../../../com/fasterxml/jackson/databind/node/ValueNode.html#isValueNode()">isValueNode</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, com.fasterxml.jackson.databind.SerializerProvider, com.fasterxml.jackson.databind.jsontype.TypeSerializer)">serializeWithType</A>, <A HREF="../../../../../com/fasterxml/jackson/databind/node/ValueNode.html#toString()">toString</A></CODE></TD> 217</TR> 218</TABLE> 219 <A NAME="methods_inherited_from_class_com.fasterxml.jackson.databind.node.BaseJsonNode"><!-- --></A> 220<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> 221<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor"> 222<TH ALIGN="left"><B>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></B></TH> 223</TR> 224<TR BGCOLOR="white" CLASS="TableRowColor"> 225<TD><CODE><A HREF="../../../../../com/fasterxml/jackson/databind/node/BaseJsonNode.html#findParent(java.lang.String)">findParent</A>, <A HREF="../../../../../com/fasterxml/jackson/databind/node/BaseJsonNode.html#findParents(java.lang.String, java.util.List)">findParents</A>, <A HREF="../../../../../com/fasterxml/jackson/databind/node/BaseJsonNode.html#findPath(java.lang.String)">findPath</A>, <A HREF="../../../../../com/fasterxml/jackson/databind/node/BaseJsonNode.html#findValue(java.lang.String)">findValue</A>, <A HREF="../../../../../com/fasterxml/jackson/databind/node/BaseJsonNode.html#findValues(java.lang.String, java.util.List)">findValues</A>, <A HREF="../../../../../com/fasterxml/jackson/databind/node/BaseJsonNode.html#findValuesAsText(java.lang.String, java.util.List)">findValuesAsText</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></CODE></TD> 226</TR> 227</TABLE> 228 <A NAME="methods_inherited_from_class_com.fasterxml.jackson.databind.JsonNode"><!-- --></A> 229<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> 230<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor"> 231<TH ALIGN="left"><B>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></B></TH> 232</TR> 233<TR BGCOLOR="white" CLASS="TableRowColor"> 234<TD><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#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#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#get(int)">get</A>, <A HREF="../../../../../com/fasterxml/jackson/databind/JsonNode.html#get(java.lang.String)">get</A>, <A HREF="../../../../../com/fasterxml/jackson/databind/JsonNode.html#has(int)">has</A>, <A HREF="../../../../../com/fasterxml/jackson/databind/JsonNode.html#has(java.lang.String)">has</A>, <A HREF="../../../../../com/fasterxml/jackson/databind/JsonNode.html#hasNonNull(int)">hasNonNull</A>, <A HREF="../../../../../com/fasterxml/jackson/databind/JsonNode.html#hasNonNull(java.lang.String)">hasNonNull</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#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#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#isTextual()">isTextual</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#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></TD> 235</TR> 236</TABLE> 237 <A NAME="methods_inherited_from_class_java.lang.Object"><!-- --></A> 238<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> 239<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor"> 240<TH ALIGN="left"><B>Methods inherited from class java.lang.<A HREF="http://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</A></B></TH> 241</TR> 242<TR BGCOLOR="white" CLASS="TableRowColor"> 243<TD><CODE><A HREF="http://docs.oracle.com/javase/6/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/6/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/6/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/6/docs/api/java/lang/Object.html?is-external=true#hashCode()" title="class or interface in java.lang">hashCode</A>, <A HREF="http://docs.oracle.com/javase/6/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/6/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/6/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/6/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/6/docs/api/java/lang/Object.html?is-external=true#wait(long, int)" title="class or interface in java.lang">wait</A></CODE></TD> 244</TR> 245</TABLE> 246 247<P> 248 249<!-- ============ FIELD DETAIL =========== --> 250 251<A NAME="field_detail"><!-- --></A> 252<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> 253<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"> 254<TH ALIGN="left" COLSPAN="1"><FONT SIZE="+2"> 255<B>Field Detail</B></FONT></TH> 256</TR> 257</TABLE> 258 259<A NAME="instance"><!-- --></A><H3> 260instance</H3> 261<PRE> 262public static final <A HREF="../../../../../com/fasterxml/jackson/databind/node/NullNode.html" title="class in com.fasterxml.jackson.databind.node">NullNode</A> <B>instance</B></PRE> 263<DL> 264<DL> 265</DL> 266</DL> 267 268<!-- ============ METHOD DETAIL ========== --> 269 270<A NAME="method_detail"><!-- --></A> 271<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> 272<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"> 273<TH ALIGN="left" COLSPAN="1"><FONT SIZE="+2"> 274<B>Method Detail</B></FONT></TH> 275</TR> 276</TABLE> 277 278<A NAME="getInstance()"><!-- --></A><H3> 279getInstance</H3> 280<PRE> 281public static <A HREF="../../../../../com/fasterxml/jackson/databind/node/NullNode.html" title="class in com.fasterxml.jackson.databind.node">NullNode</A> <B>getInstance</B>()</PRE> 282<DL> 283<DD><DL> 284</DL> 285</DD> 286</DL> 287<HR> 288 289<A NAME="asToken()"><!-- --></A><H3> 290asToken</H3> 291<PRE> 292public <A HREF="http://fasterxml.github.com/jackson-core/javadoc/2.1.0/com/fasterxml/jackson/core/JsonToken.html?is-external=true" title="class or interface in com.fasterxml.jackson.core">JsonToken</A> <B>asToken</B>()</PRE> 293<DL> 294<DD><B>Description copied from class: <CODE><A HREF="../../../../../com/fasterxml/jackson/databind/node/BaseJsonNode.html#asToken()">BaseJsonNode</A></CODE></B></DD> 295<DD>Method that can be used for efficient type detection 296 when using stream abstraction for traversing nodes. 297 Will return the first <A HREF="http://fasterxml.github.com/jackson-core/javadoc/2.1.0/com/fasterxml/jackson/core/JsonToken.html?is-external=true" title="class or interface in com.fasterxml.jackson.core"><CODE>JsonToken</CODE></A> that equivalent 298 stream event would produce (for most nodes there is just 299 one token but for structured/container types multiple) 300<P> 301<DD><DL> 302<DT><B>Specified by:</B><DD><CODE><A HREF="http://fasterxml.github.com/jackson-core/javadoc/2.1.0/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/2.1.0/com/fasterxml/jackson/core/TreeNode.html?is-external=true" title="class or interface in com.fasterxml.jackson.core">TreeNode</A></CODE><DT><B>Specified by:</B><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></DL> 303</DD> 304<DD><DL> 305</DL> 306</DD> 307</DL> 308<HR> 309 310<A NAME="isNull()"><!-- --></A><H3> 311isNull</H3> 312<PRE> 313public boolean <B>isNull</B>()</PRE> 314<DL> 315<DD><B>Description copied from class: <CODE><A HREF="../../../../../com/fasterxml/jackson/databind/JsonNode.html#isNull()">JsonNode</A></CODE></B></DD> 316<DD>Method that can be used to check if this node was created from 317 JSON literal null value. 318<P> 319<DD><DL> 320<DT><B>Overrides:</B><DD><CODE><A HREF="../../../../../com/fasterxml/jackson/databind/JsonNode.html#isNull()">isNull</A></CODE> in class <CODE><A HREF="../../../../../com/fasterxml/jackson/databind/JsonNode.html" title="class in com.fasterxml.jackson.databind">JsonNode</A></CODE></DL> 321</DD> 322<DD><DL> 323</DL> 324</DD> 325</DL> 326<HR> 327 328<A NAME="asText()"><!-- --></A><H3> 329asText</H3> 330<PRE> 331public <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> <B>asText</B>()</PRE> 332<DL> 333<DD><B>Description copied from class: <CODE><A HREF="../../../../../com/fasterxml/jackson/databind/JsonNode.html#asText()">JsonNode</A></CODE></B></DD> 334<DD>Method that will return a valid String representation of 335 the container value, if the node is a value node 336 (method <A HREF="../../../../../com/fasterxml/jackson/databind/JsonNode.html#isValueNode()"><CODE>JsonNode.isValueNode()</CODE></A> returns true), 337 otherwise empty String. 338<P> 339<DD><DL> 340<DT><B>Specified by:</B><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></DL> 341</DD> 342<DD><DL> 343</DL> 344</DD> 345</DL> 346<HR> 347 348<A NAME="serialize(com.fasterxml.jackson.core.JsonGenerator, com.fasterxml.jackson.databind.SerializerProvider)"><!-- --></A><H3> 349serialize</H3> 350<PRE> 351public final void <B>serialize</B>(<A HREF="http://fasterxml.github.com/jackson-core/javadoc/2.1.0/com/fasterxml/jackson/core/JsonGenerator.html?is-external=true" title="class or interface in com.fasterxml.jackson.core">JsonGenerator</A> jg, 352 <A HREF="../../../../../com/fasterxml/jackson/databind/SerializerProvider.html" title="class in com.fasterxml.jackson.databind">SerializerProvider</A> provider) 353 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>, 354 <A HREF="http://fasterxml.github.com/jackson-core/javadoc/2.1.0/com/fasterxml/jackson/core/JsonProcessingException.html?is-external=true" title="class or interface in com.fasterxml.jackson.core">JsonProcessingException</A></PRE> 355<DL> 356<DD><B>Description copied from class: <CODE><A HREF="../../../../../com/fasterxml/jackson/databind/node/BaseJsonNode.html#serialize(com.fasterxml.jackson.core.JsonGenerator, com.fasterxml.jackson.databind.SerializerProvider)">BaseJsonNode</A></CODE></B></DD> 357<DD>Method called to serialize node instances using given generator. 358<P> 359<DD><DL> 360<DT><B>Specified by:</B><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><DT><B>Specified by:</B><DD><CODE><A HREF="../../../../../com/fasterxml/jackson/databind/node/BaseJsonNode.html#serialize(com.fasterxml.jackson.core.JsonGenerator, com.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></DL> 361</DD> 362<DD><DL> 363 364<DT><B>Throws:</B> 365<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> 366<DD><CODE><A HREF="http://fasterxml.github.com/jackson-core/javadoc/2.1.0/com/fasterxml/jackson/core/JsonProcessingException.html?is-external=true" title="class or interface in com.fasterxml.jackson.core">JsonProcessingException</A></CODE></DL> 367</DD> 368</DL> 369<HR> 370 371<A NAME="equals(java.lang.Object)"><!-- --></A><H3> 372equals</H3> 373<PRE> 374public boolean <B>equals</B>(<A HREF="http://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</A> o)</PRE> 375<DL> 376<DD><B>Description copied from class: <CODE><A HREF="../../../../../com/fasterxml/jackson/databind/JsonNode.html#equals(java.lang.Object)">JsonNode</A></CODE></B></DD> 377<DD>Equality for node objects is defined as full (deep) value 378 equality. This means that it is possible to compare complete 379 JSON trees for equality by comparing equality of root nodes. 380<p> 381 Note: marked as abstract to ensure all implementation 382 classes define it properly and not rely on definition 383 from <A HREF="http://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang"><CODE>Object</CODE></A>. 384<P> 385<DD><DL> 386<DT><B>Specified by:</B><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></DL> 387</DD> 388<DD><DL> 389</DL> 390</DD> 391</DL> 392<!-- ========= END OF CLASS DATA ========= --> 393<HR> 394 395 396<!-- ======= START OF BOTTOM NAVBAR ====== --> 397<A NAME="navbar_bottom"><!-- --></A> 398<A HREF="#skip-navbar_bottom" title="Skip navigation links"></A> 399<TABLE BORDER="0" WIDTH="100%" CELLPADDING="1" CELLSPACING="0" SUMMARY=""> 400<TR> 401<TD COLSPAN=2 BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> 402<A NAME="navbar_bottom_firstrow"><!-- --></A> 403<TABLE BORDER="0" CELLPADDING="0" CELLSPACING="3" SUMMARY=""> 404 <TR ALIGN="center" VALIGN="top"> 405 <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../../../overview-summary.html"><FONT CLASS="NavBarFont1"><B>Overview</B></FONT></A> </TD> 406 <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="package-summary.html"><FONT CLASS="NavBarFont1"><B>Package</B></FONT></A> </TD> 407 <TD BGCOLOR="#FFFFFF" CLASS="NavBarCell1Rev"> <FONT CLASS="NavBarFont1Rev"><B>Class</B></FONT> </TD> 408 <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="class-use/NullNode.html"><FONT CLASS="NavBarFont1"><B>Use</B></FONT></A> </TD> 409 <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="package-tree.html"><FONT CLASS="NavBarFont1"><B>Tree</B></FONT></A> </TD> 410 <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../../../deprecated-list.html"><FONT CLASS="NavBarFont1"><B>Deprecated</B></FONT></A> </TD> 411 <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../../../index-all.html"><FONT CLASS="NavBarFont1"><B>Index</B></FONT></A> </TD> 412 <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../../../help-doc.html"><FONT CLASS="NavBarFont1"><B>Help</B></FONT></A> </TD> 413 </TR> 414</TABLE> 415</TD> 416<TD ALIGN="right" VALIGN="top" ROWSPAN=3><EM> 417</EM> 418</TD> 419</TR> 420 421<TR> 422<TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> 423 <A HREF="../../../../../com/fasterxml/jackson/databind/node/MissingNode.html" title="class in com.fasterxml.jackson.databind.node"><B>PREV CLASS</B></A> 424 <A HREF="../../../../../com/fasterxml/jackson/databind/node/NumericNode.html" title="class in com.fasterxml.jackson.databind.node"><B>NEXT CLASS</B></A></FONT></TD> 425<TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> 426 <A HREF="../../../../../index.html?com/fasterxml/jackson/databind/node/NullNode.html" target="_top"><B>FRAMES</B></A> 427 <A HREF="NullNode.html" target="_top"><B>NO FRAMES</B></A> 428 <SCRIPT type="text/javascript"> 429 <!-- 430 if(window==top) { 431 document.writeln('<A HREF="../../../../../allclasses-noframe.html"><B>All Classes</B></A>'); 432 } 433 //--> 434</SCRIPT> 435<NOSCRIPT> 436 <A HREF="../../../../../allclasses-noframe.html"><B>All Classes</B></A> 437</NOSCRIPT> 438 439 440</FONT></TD> 441</TR> 442<TR> 443<TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2"> 444 SUMMARY: NESTED | <A HREF="#field_summary">FIELD</A> | CONSTR | <A HREF="#method_summary">METHOD</A></FONT></TD> 445<TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2"> 446DETAIL: <A HREF="#field_detail">FIELD</A> | CONSTR | <A HREF="#method_detail">METHOD</A></FONT></TD> 447</TR> 448</TABLE> 449<A NAME="skip-navbar_bottom"></A> 450<!-- ======== END OF BOTTOM NAVBAR ======= --> 451 452<HR> 453Copyright © 2012 <a href="http://fasterxml.com/">FasterXML</a>. 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