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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
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var methods = {"i0":10,"i1":10,"i2":10,"i3":10,"i4":10,"i5":10,"i6":10,"i7":10,"i8":10,"i9":9};
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<div class="subTitle">org.json</div>
<h2 title="Class JSONWriter" class="title">Class JSONWriter</h2>
</div>
<div class="contentContainer">
<ul class="inheritance">
<li><a href="https://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>
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<ul class="inheritance">
<li>org.json.JSONWriter</li>
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<dt>Direct Known Subclasses:</dt>
<dd><a href="../../org/json/JSONStringer.html" title="class in org.json">JSONStringer</a></dd>
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<pre>public class <span class="typeNameLabel">JSONWriter</span>
extends <a href="https://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></pre>
<div class="block">JSONWriter provides a quick and convenient way of producing JSON text.
The texts produced strictly conform to JSON syntax rules. No whitespace is
added, so the results are ready for transmission or storage. Each instance of
JSONWriter can produce one JSON text.
<p>
A JSONWriter instance provides a <code>value</code> method for appending
values to the
text, and a <code>key</code>
method for adding keys before values in objects. There are <code>array</code>
and <code>endArray</code> methods that make and bound array values, and
<code>object</code> and <code>endObject</code> methods which make and bound
object values. All of these methods return the JSONWriter instance,
permitting a cascade style. For example, <pre>
new JSONWriter(myWriter)
.object()
.key("JSON")
.value("Hello, World!")
.endObject();</pre> which writes <pre>
{"JSON":"Hello, World!"}</pre>
<p>
The first method called must be <code>array</code> or <code>object</code>.
There are no methods for adding commas or colons. JSONWriter adds them for
you. Objects and arrays can be nested up to 200 levels deep.
<p>
This can sometimes be easier than using a JSONObject to build a string.</div>
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<h3>Field Summary</h3>
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<caption><span>Fields</span><span class="tabEnd">&nbsp;</span></caption>
<tr>
<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Field and Description</th>
</tr>
<tr class="altColor">
<td class="colFirst"><code>protected char</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../org/json/JSONWriter.html#mode">mode</a></span></code>
<div class="block">The current mode.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>protected <a href="https://docs.oracle.com/javase/7/docs/api/java/lang/Appendable.html?is-external=true" title="class or interface in java.lang">Appendable</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../org/json/JSONWriter.html#writer">writer</a></span></code>
<div class="block">The writer that will receive the output.</div>
</td>
</tr>
</table>
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<caption><span>Constructors</span><span class="tabEnd">&nbsp;</span></caption>
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<th class="colOne" scope="col">Constructor and Description</th>
</tr>
<tr class="altColor">
<td class="colOne"><code><span class="memberNameLink"><a href="../../org/json/JSONWriter.html#JSONWriter-java.lang.Appendable-">JSONWriter</a></span>(<a href="https://docs.oracle.com/javase/7/docs/api/java/lang/Appendable.html?is-external=true" title="class or interface in java.lang">Appendable</a>&nbsp;w)</code>
<div class="block">Make a fresh JSONWriter.</div>
</td>
</tr>
</table>
</li>
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<h3>Method Summary</h3>
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<caption><span id="t0" class="activeTableTab"><span>All Methods</span><span class="tabEnd">&nbsp;</span></span><span id="t1" class="tableTab"><span><a href="javascript:show(1);">Static Methods</a></span><span class="tabEnd">&nbsp;</span></span><span id="t2" class="tableTab"><span><a href="javascript:show(2);">Instance Methods</a></span><span class="tabEnd">&nbsp;</span></span><span id="t4" class="tableTab"><span><a href="javascript:show(8);">Concrete Methods</a></span><span class="tabEnd">&nbsp;</span></span></caption>
<tr>
<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Method and Description</th>
</tr>
<tr id="i0" class="altColor">
<td class="colFirst"><code><a href="../../org/json/JSONWriter.html" title="class in org.json">JSONWriter</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../org/json/JSONWriter.html#array--">array</a></span>()</code>
<div class="block">Begin appending a new array.</div>
</td>
</tr>
<tr id="i1" class="rowColor">
<td class="colFirst"><code><a href="../../org/json/JSONWriter.html" title="class in org.json">JSONWriter</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../org/json/JSONWriter.html#endArray--">endArray</a></span>()</code>
<div class="block">End an array.</div>
</td>
</tr>
<tr id="i2" class="altColor">
<td class="colFirst"><code><a href="../../org/json/JSONWriter.html" title="class in org.json">JSONWriter</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../org/json/JSONWriter.html#endObject--">endObject</a></span>()</code>
<div class="block">End an object.</div>
</td>
</tr>
<tr id="i3" class="rowColor">
<td class="colFirst"><code><a href="../../org/json/JSONWriter.html" title="class in org.json">JSONWriter</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../org/json/JSONWriter.html#key-java.lang.String-">key</a></span>(<a href="https://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;string)</code>
<div class="block">Append a key.</div>
</td>
</tr>
<tr id="i4" class="altColor">
<td class="colFirst"><code><a href="../../org/json/JSONWriter.html" title="class in org.json">JSONWriter</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../org/json/JSONWriter.html#object--">object</a></span>()</code>
<div class="block">Begin appending a new object.</div>
</td>
</tr>
<tr id="i5" class="rowColor">
<td class="colFirst"><code><a href="../../org/json/JSONWriter.html" title="class in org.json">JSONWriter</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../org/json/JSONWriter.html#value-boolean-">value</a></span>(boolean&nbsp;b)</code>
<div class="block">Append either the value <code>true</code> or the value
<code>false</code>.</div>
</td>
</tr>
<tr id="i6" class="altColor">
<td class="colFirst"><code><a href="../../org/json/JSONWriter.html" title="class in org.json">JSONWriter</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../org/json/JSONWriter.html#value-double-">value</a></span>(double&nbsp;d)</code>
<div class="block">Append a double value.</div>
</td>
</tr>
<tr id="i7" class="rowColor">
<td class="colFirst"><code><a href="../../org/json/JSONWriter.html" title="class in org.json">JSONWriter</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../org/json/JSONWriter.html#value-long-">value</a></span>(long&nbsp;l)</code>
<div class="block">Append a long value.</div>
</td>
</tr>
<tr id="i8" class="altColor">
<td class="colFirst"><code><a href="../../org/json/JSONWriter.html" title="class in org.json">JSONWriter</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../org/json/JSONWriter.html#value-java.lang.Object-">value</a></span>(<a href="https://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>&nbsp;object)</code>
<div class="block">Append an object value.</div>
</td>
</tr>
<tr id="i9" class="rowColor">
<td class="colFirst"><code>static <a href="https://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>
<td class="colLast"><code><span class="memberNameLink"><a href="../../org/json/JSONWriter.html#valueToString-java.lang.Object-">valueToString</a></span>(<a href="https://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>&nbsp;value)</code>
<div class="block">Make a JSON text of an Object value.</div>
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<h3>Methods inherited from class&nbsp;java.lang.<a href="https://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></h3>
<code><a href="https://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="https://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#equals-java.lang.Object-" title="class or interface in java.lang">equals</a>, <a href="https://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="https://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="https://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#hashCode--" title="class or interface in java.lang">hashCode</a>, <a href="https://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="https://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="https://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#toString--" title="class or interface in java.lang">toString</a>, <a href="https://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="https://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="https://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#wait-long-int-" title="class or interface in java.lang">wait</a></code></li>
</ul>
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<h3>Field Detail</h3>
<a name="mode">
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<h4>mode</h4>
<pre>protected&nbsp;char mode</pre>
<div class="block">The current mode. Values:
'a' (array),
'd' (done),
'i' (initial),
'k' (key),
'o' (object).</div>
</li>
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<a name="writer">
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<h4>writer</h4>
<pre>protected&nbsp;<a href="https://docs.oracle.com/javase/7/docs/api/java/lang/Appendable.html?is-external=true" title="class or interface in java.lang">Appendable</a> writer</pre>
<div class="block">The writer that will receive the output.</div>
</li>
</ul>
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</ul>
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<h3>Constructor Detail</h3>
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<h4>JSONWriter</h4>
<pre>public&nbsp;JSONWriter(<a href="https://docs.oracle.com/javase/7/docs/api/java/lang/Appendable.html?is-external=true" title="class or interface in java.lang">Appendable</a>&nbsp;w)</pre>
<div class="block">Make a fresh JSONWriter. It can be used to build one JSON text.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>w</code> - an appendable object</dd>
</dl>
</li>
</ul>
</li>
</ul>
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<h3>Method Detail</h3>
<a name="array--">
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<h4>array</h4>
<pre>public&nbsp;<a href="../../org/json/JSONWriter.html" title="class in org.json">JSONWriter</a>&nbsp;array()
throws <a href="../../org/json/JSONException.html" title="class in org.json">JSONException</a></pre>
<div class="block">Begin appending a new array. All values until the balancing
<code>endArray</code> will be appended to this array. The
<code>endArray</code> method must be called to mark the array's end.</div>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>this</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="../../org/json/JSONException.html" title="class in org.json">JSONException</a></code> - If the nesting is too deep, or if the object is
started in the wrong place (for example as a key or after the end of the
outermost array or object).</dd>
</dl>
</li>
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<a name="endArray--">
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<h4>endArray</h4>
<pre>public&nbsp;<a href="../../org/json/JSONWriter.html" title="class in org.json">JSONWriter</a>&nbsp;endArray()
throws <a href="../../org/json/JSONException.html" title="class in org.json">JSONException</a></pre>
<div class="block">End an array. This method most be called to balance calls to
<code>array</code>.</div>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>this</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="../../org/json/JSONException.html" title="class in org.json">JSONException</a></code> - If incorrectly nested.</dd>
</dl>
</li>
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<h4>endObject</h4>
<pre>public&nbsp;<a href="../../org/json/JSONWriter.html" title="class in org.json">JSONWriter</a>&nbsp;endObject()
throws <a href="../../org/json/JSONException.html" title="class in org.json">JSONException</a></pre>
<div class="block">End an object. This method most be called to balance calls to
<code>object</code>.</div>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>this</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="../../org/json/JSONException.html" title="class in org.json">JSONException</a></code> - If incorrectly nested.</dd>
</dl>
</li>
</ul>
<a name="key-java.lang.String-">
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<h4>key</h4>
<pre>public&nbsp;<a href="../../org/json/JSONWriter.html" title="class in org.json">JSONWriter</a>&nbsp;key(<a href="https://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;string)
throws <a href="../../org/json/JSONException.html" title="class in org.json">JSONException</a></pre>
<div class="block">Append a key. The key will be associated with the next value. In an
object, every value must be preceded by a key.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>string</code> - A key string.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>this</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="../../org/json/JSONException.html" title="class in org.json">JSONException</a></code> - If the key is out of place. For example, keys
do not belong in arrays or if the key is null.</dd>
</dl>
</li>
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<a name="object--">
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<h4>object</h4>
<pre>public&nbsp;<a href="../../org/json/JSONWriter.html" title="class in org.json">JSONWriter</a>&nbsp;object()
throws <a href="../../org/json/JSONException.html" title="class in org.json">JSONException</a></pre>
<div class="block">Begin appending a new object. All keys and values until the balancing
<code>endObject</code> will be appended to this object. The
<code>endObject</code> method must be called to mark the object's end.</div>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>this</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="../../org/json/JSONException.html" title="class in org.json">JSONException</a></code> - If the nesting is too deep, or if the object is
started in the wrong place (for example as a key or after the end of the
outermost array or object).</dd>
</dl>
</li>
</ul>
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<h4>valueToString</h4>
<pre>public static&nbsp;<a href="https://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;valueToString(<a href="https://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>&nbsp;value)
throws <a href="../../org/json/JSONException.html" title="class in org.json">JSONException</a></pre>
<div class="block">Make a JSON text of an Object value. If the object has an
value.toJSONString() method, then that method will be used to produce the
JSON text. The method is required to produce a strictly conforming text.
If the object does not contain a toJSONString method (which is the most
common case), then a text will be produced by other means. If the value
is an array or Collection, then a JSONArray will be made from it and its
toJSONString method will be called. If the value is a MAP, then a
JSONObject will be made from it and its toJSONString method will be
called. Otherwise, the value's toString method will be called, and the
result will be quoted.
<p>
Warning: This method assumes that the data structure is acyclical.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>value</code> - The value to be serialized.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>a printable, displayable, transmittable representation of the
object, beginning with <code>{</code>&nbsp;<small>(left
brace)</small> and ending with <code>}</code>&nbsp;<small>(right
brace)</small>.</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="../../org/json/JSONException.html" title="class in org.json">JSONException</a></code> - If the value is or contains an invalid number.</dd>
</dl>
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<h4>value</h4>
<pre>public&nbsp;<a href="../../org/json/JSONWriter.html" title="class in org.json">JSONWriter</a>&nbsp;value(boolean&nbsp;b)
throws <a href="../../org/json/JSONException.html" title="class in org.json">JSONException</a></pre>
<div class="block">Append either the value <code>true</code> or the value
<code>false</code>.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>b</code> - A boolean.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>this</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="../../org/json/JSONException.html" title="class in org.json">JSONException</a></code> - if a called function has an error</dd>
</dl>
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<h4>value</h4>
<pre>public&nbsp;<a href="../../org/json/JSONWriter.html" title="class in org.json">JSONWriter</a>&nbsp;value(double&nbsp;d)
throws <a href="../../org/json/JSONException.html" title="class in org.json">JSONException</a></pre>
<div class="block">Append a double value.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>d</code> - A double.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>this</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="../../org/json/JSONException.html" title="class in org.json">JSONException</a></code> - If the number is not finite.</dd>
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<h4>value</h4>
<pre>public&nbsp;<a href="../../org/json/JSONWriter.html" title="class in org.json">JSONWriter</a>&nbsp;value(long&nbsp;l)
throws <a href="../../org/json/JSONException.html" title="class in org.json">JSONException</a></pre>
<div class="block">Append a long value.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>l</code> - A long.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>this</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="../../org/json/JSONException.html" title="class in org.json">JSONException</a></code> - if a called function has an error</dd>
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<h4>value</h4>
<pre>public&nbsp;<a href="../../org/json/JSONWriter.html" title="class in org.json">JSONWriter</a>&nbsp;value(<a href="https://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>&nbsp;object)
throws <a href="../../org/json/JSONException.html" title="class in org.json">JSONException</a></pre>
<div class="block">Append an object value.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>object</code> - The object to append. It can be null, or a Boolean, Number,
String, JSONObject, or JSONArray, or an object that implements JSONString.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>this</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="../../org/json/JSONException.html" title="class in org.json">JSONException</a></code> - If the value is out of sequence.</dd>
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