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<div class="subTitle">org.apache.arrow.vector.util</div>
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<li><a href="../../../../../org/apache/arrow/vector/util/ReusableByteArray.html" title="class in org.apache.arrow.vector.util">org.apache.arrow.vector.util.ReusableByteArray</a></li>
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<li>org.apache.arrow.vector.util.Text</li>
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<dt>All Implemented Interfaces:</dt>
<dd><a href="../../../../../org/apache/arrow/memory/ReusableBuffer.html" title="interface in org.apache.arrow.memory">ReusableBuffer</a>&lt;byte[]&gt;</dd>
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<pre>public class <span class="typeNameLabel">Text</span>
extends <a href="../../../../../org/apache/arrow/vector/util/ReusableByteArray.html" title="class in org.apache.arrow.vector.util">ReusableByteArray</a></pre>
<div class="block">A simplified byte wrapper similar to Hadoop's Text class without all the dependencies.
Lifted from Hadoop 2.7.1</div>
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<th class="colFirst" scope="col">Modifier and Type</th>
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<td class="colFirst"><code>static class&nbsp;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/arrow/vector/util/Text.TextSerializer.html" title="class in org.apache.arrow.vector.util">Text.TextSerializer</a></span></code>
<div class="block">JSON serializer for <a href="../../../../../org/apache/arrow/vector/util/Text.html" title="class in org.apache.arrow.vector.util"><code>Text</code></a>.</div>
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<td class="colFirst"><code>static int</code></td>
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<code><a href="../../../../../org/apache/arrow/vector/util/ReusableByteArray.html#bytes">bytes</a>, <a href="../../../../../org/apache/arrow/vector/util/ReusableByteArray.html#EMPTY_BYTES">EMPTY_BYTES</a>, <a href="../../../../../org/apache/arrow/vector/util/ReusableByteArray.html#length">length</a></code></li>
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<td class="colOne"><code><span class="memberNameLink"><a href="../../../../../org/apache/arrow/vector/util/Text.html#Text--">Text</a></span>()</code>&nbsp;</td>
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<tr class="rowColor">
<td class="colOne"><code><span class="memberNameLink"><a href="../../../../../org/apache/arrow/vector/util/Text.html#Text-byte:A-">Text</a></span>(byte[]&nbsp;utf8)</code>
<div class="block">Construct from a byte array.</div>
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<td class="colOne"><code><span class="memberNameLink"><a href="../../../../../org/apache/arrow/vector/util/Text.html#Text-java.lang.String-">Text</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;string)</code>
<div class="block">Construct from a string.</div>
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<td class="colOne"><code><span class="memberNameLink"><a href="../../../../../org/apache/arrow/vector/util/Text.html#Text-org.apache.arrow.vector.util.Text-">Text</a></span>(<a href="../../../../../org/apache/arrow/vector/util/Text.html" title="class in org.apache.arrow.vector.util">Text</a>&nbsp;utf8)</code>
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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>
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<th class="colFirst" scope="col">Modifier and Type</th>
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<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/arrow/vector/util/Text.html#append-byte:A-int-int-">append</a></span>(byte[]&nbsp;utf8,
int&nbsp;start,
int&nbsp;len)</code>
<div class="block">Append a range of bytes to the end of the given text.</div>
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<tr id="i1" class="rowColor">
<td class="colFirst"><code>static int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/arrow/vector/util/Text.html#bytesToCodePoint-java.nio.ByteBuffer-">bytesToCodePoint</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/nio/ByteBuffer.html?is-external=true" title="class or interface in java.nio">ByteBuffer</a>&nbsp;bytes)</code>
<div class="block">Returns the next code point at the current position in the buffer.</div>
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</tr>
<tr id="i2" class="altColor">
<td class="colFirst"><code>int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/arrow/vector/util/Text.html#charAt-int-">charAt</a></span>(int&nbsp;position)</code>
<div class="block">Returns the Unicode Scalar Value (32-bit integer value) for the character at
<code>position</code>.</div>
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</tr>
<tr id="i3" class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/arrow/vector/util/Text.html#clear--">clear</a></span>()</code>
<div class="block">Clear the string to empty.</div>
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</tr>
<tr id="i4" class="altColor">
<td class="colFirst"><code>byte[]</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/arrow/vector/util/Text.html#copyBytes--">copyBytes</a></span>()</code>
<div class="block">Get a copy of the bytes that is exactly the length of the data.</div>
</td>
</tr>
<tr id="i5" class="rowColor">
<td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/8/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/apache/arrow/vector/util/Text.html#decode-byte:A-">decode</a></span>(byte[]&nbsp;utf8)</code>
<div class="block">Converts the provided byte array to a String using the UTF-8 encoding.</div>
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<tr id="i6" class="altColor">
<td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/8/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/apache/arrow/vector/util/Text.html#decode-byte:A-int-int-">decode</a></span>(byte[]&nbsp;utf8,
int&nbsp;start,
int&nbsp;length)</code>&nbsp;</td>
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<tr id="i7" class="rowColor">
<td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/8/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/apache/arrow/vector/util/Text.html#decode-byte:A-int-int-boolean-">decode</a></span>(byte[]&nbsp;utf8,
int&nbsp;start,
int&nbsp;length,
boolean&nbsp;replace)</code>
<div class="block">Converts the provided byte array to a String using the UTF-8 encoding.</div>
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<tr id="i8" class="altColor">
<td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/8/docs/api/java/nio/ByteBuffer.html?is-external=true" title="class or interface in java.nio">ByteBuffer</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/arrow/vector/util/Text.html#encode-java.lang.String-">encode</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;string)</code>
<div class="block">Converts the provided String to bytes using the UTF-8 encoding.</div>
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<tr id="i9" class="rowColor">
<td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/8/docs/api/java/nio/ByteBuffer.html?is-external=true" title="class or interface in java.nio">ByteBuffer</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/arrow/vector/util/Text.html#encode-java.lang.String-boolean-">encode</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;string,
boolean&nbsp;replace)</code>
<div class="block">Converts the provided String to bytes using the UTF-8 encoding.</div>
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<tr id="i10" class="altColor">
<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/arrow/vector/util/Text.html#equals-java.lang.Object-">equals</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>&nbsp;o)</code>&nbsp;</td>
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<tr id="i11" class="rowColor">
<td class="colFirst"><code>int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/arrow/vector/util/Text.html#find-java.lang.String-">find</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;what)</code>&nbsp;</td>
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<tr id="i12" class="altColor">
<td class="colFirst"><code>int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/arrow/vector/util/Text.html#find-java.lang.String-int-">find</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;what,
int&nbsp;start)</code>
<div class="block">Finds any occurrence of <code>what</code> in the backing buffer, starting as position
<code>start</code>.</div>
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<tr id="i13" class="rowColor">
<td class="colFirst"><code>byte[]</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/arrow/vector/util/Text.html#getBytes--">getBytes</a></span>()</code>
<div class="block">Returns the raw bytes; however, only data up to <a href="../../../../../org/apache/arrow/vector/util/ReusableByteArray.html#getLength--"><code>ReusableByteArray.getLength()</code></a> is valid.</div>
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<tr id="i14" class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/arrow/vector/util/Text.html#readWithKnownLength-java.io.DataInput-int-">readWithKnownLength</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/io/DataInput.html?is-external=true" title="class or interface in java.io">DataInput</a>&nbsp;in,
int&nbsp;len)</code>
<div class="block">Read a Text object whose length is already known.</div>
</td>
</tr>
<tr id="i15" class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/arrow/vector/util/Text.html#set-byte:A-">set</a></span>(byte[]&nbsp;utf8)</code>
<div class="block">Set to an utf8 byte array.</div>
</td>
</tr>
<tr id="i16" class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/arrow/vector/util/Text.html#set-byte:A-int-int-">set</a></span>(byte[]&nbsp;utf8,
int&nbsp;start,
int&nbsp;len)</code>
<div class="block">Set the Text to range of bytes.</div>
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<tr id="i17" class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/arrow/vector/util/Text.html#set-java.lang.String-">set</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;string)</code>
<div class="block">Set to contain the contents of a string.</div>
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</tr>
<tr id="i18" class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/arrow/vector/util/Text.html#set-org.apache.arrow.vector.util.Text-">set</a></span>(<a href="../../../../../org/apache/arrow/vector/util/Text.html" title="class in org.apache.arrow.vector.util">Text</a>&nbsp;other)</code>
<div class="block">copy a text.</div>
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</tr>
<tr id="i19" class="rowColor">
<td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/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/apache/arrow/vector/util/Text.html#toString--">toString</a></span>()</code>&nbsp;</td>
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<tr id="i20" class="altColor">
<td class="colFirst"><code>static int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/arrow/vector/util/Text.html#utf8Length-java.lang.String-">utf8Length</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;string)</code>
<div class="block">For the given string, returns the number of UTF-8 bytes required to encode the string.</div>
</td>
</tr>
<tr id="i21" class="rowColor">
<td class="colFirst"><code>static void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/arrow/vector/util/Text.html#validateUTF8-byte:A-">validateUTF8</a></span>(byte[]&nbsp;utf8)</code>
<div class="block">Check if a byte array contains valid utf-8.</div>
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<tr id="i22" class="altColor">
<td class="colFirst"><code>static void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/arrow/vector/util/Text.html#validateUTF8-byte:A-int-int-">validateUTF8</a></span>(byte[]&nbsp;utf8,
int&nbsp;start,
int&nbsp;len)</code>
<div class="block">Check to see if a byte array is valid utf-8.</div>
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</tr>
<tr id="i23" class="rowColor">
<td class="colFirst"><code>static boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/arrow/vector/util/Text.html#validateUTF8NoThrow-byte:A-">validateUTF8NoThrow</a></span>(byte[]&nbsp;utf8)</code>
<div class="block">Check if a byte array contains valid utf-8.</div>
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<code><a href="../../../../../org/apache/arrow/vector/util/ReusableByteArray.html#getBuffer--">getBuffer</a>, <a href="../../../../../org/apache/arrow/vector/util/ReusableByteArray.html#getLength--">getLength</a>, <a href="../../../../../org/apache/arrow/vector/util/ReusableByteArray.html#hashCode--">hashCode</a>, <a href="../../../../../org/apache/arrow/vector/util/ReusableByteArray.html#set-org.apache.arrow.memory.ArrowBuf-long-long-">set</a>, <a href="../../../../../org/apache/arrow/vector/util/ReusableByteArray.html#set-byte:A-long-long-">set</a>, <a href="../../../../../org/apache/arrow/vector/util/ReusableByteArray.html#setCapacity-int-boolean-">setCapacity</a></code></li>
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<h3>Methods inherited from class&nbsp;java.lang.<a href="https://docs.oracle.com/javase/8/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/8/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/8/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/8/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/8/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/8/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/8/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/8/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/8/docs/api/java/lang/Object.html?is-external=true#wait-long-int-" title="class or interface in java.lang">wait</a></code></li>
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<pre>public static final&nbsp;int DEFAULT_MAX_LEN</pre>
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<dt><span class="seeLabel">See Also:</span></dt>
<dd><a href="../../../../../constant-values.html#org.apache.arrow.vector.util.Text.DEFAULT_MAX_LEN">Constant Field Values</a></dd>
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<pre>public&nbsp;Text()</pre>
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<pre>public&nbsp;Text(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;string)</pre>
<div class="block">Construct from a string.</div>
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<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>string</code> - initialize from that string</dd>
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<pre>public&nbsp;Text(<a href="../../../../../org/apache/arrow/vector/util/Text.html" title="class in org.apache.arrow.vector.util">Text</a>&nbsp;utf8)</pre>
<div class="block">Construct from another text.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>utf8</code> - initialize from that Text</dd>
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<pre>public&nbsp;Text(byte[]&nbsp;utf8)</pre>
<div class="block">Construct from a byte array.</div>
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<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>utf8</code> - initialize from that byte array</dd>
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<pre>public&nbsp;byte[]&nbsp;copyBytes()</pre>
<div class="block">Get a copy of the bytes that is exactly the length of the data. See <a href="../../../../../org/apache/arrow/vector/util/Text.html#getBytes--"><code>getBytes()</code></a> for
faster access to the underlying array.</div>
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<dt><span class="returnLabel">Returns:</span></dt>
<dd>a copy of the underlying array</dd>
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<pre>public&nbsp;byte[]&nbsp;getBytes()</pre>
<div class="block">Returns the raw bytes; however, only data up to <a href="../../../../../org/apache/arrow/vector/util/ReusableByteArray.html#getLength--"><code>ReusableByteArray.getLength()</code></a> is valid. Please use
<a href="../../../../../org/apache/arrow/vector/util/Text.html#copyBytes--"><code>copyBytes()</code></a> if you need the returned array to be precisely the length of the data.</div>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>the underlying array</dd>
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<pre>public&nbsp;int&nbsp;charAt(int&nbsp;position)</pre>
<div class="block">Returns the Unicode Scalar Value (32-bit integer value) for the character at
<code>position</code>. Note that this method avoids using the converter or doing String
instantiation.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>position</code> - the index of the char we want to retrieve</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>the Unicode scalar value at position or -1 if the position is invalid or points to a
trailing byte</dd>
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<pre>public&nbsp;int&nbsp;find(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;what)</pre>
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<pre>public&nbsp;int&nbsp;find(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;what,
int&nbsp;start)</pre>
<div class="block">Finds any occurrence of <code>what</code> in the backing buffer, starting as position
<code>start</code>. The starting position is measured in bytes and the return value is in terms
of byte position in the buffer. The backing buffer is not converted to a string for this
operation.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>what</code> - the string to search for</dd>
<dd><code>start</code> - where to start from</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>byte position of the first occurrence of the search string in the UTF-8 buffer or -1
if not found</dd>
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<pre>public&nbsp;void&nbsp;set(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;string)</pre>
<div class="block">Set to contain the contents of a string.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>string</code> - the string to initialize from</dd>
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<pre>public&nbsp;void&nbsp;set(byte[]&nbsp;utf8)</pre>
<div class="block">Set to an utf8 byte array.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>utf8</code> - the byte array to initialize from</dd>
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<pre>public&nbsp;void&nbsp;set(<a href="../../../../../org/apache/arrow/vector/util/Text.html" title="class in org.apache.arrow.vector.util">Text</a>&nbsp;other)</pre>
<div class="block">copy a text.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>other</code> - the text to initialize from</dd>
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<pre>public&nbsp;void&nbsp;set(byte[]&nbsp;utf8,
int&nbsp;start,
int&nbsp;len)</pre>
<div class="block">Set the Text to range of bytes.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>utf8</code> - the data to copy from</dd>
<dd><code>start</code> - the first position of the new string</dd>
<dd><code>len</code> - the number of bytes of the new string</dd>
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<pre>public&nbsp;void&nbsp;append(byte[]&nbsp;utf8,
int&nbsp;start,
int&nbsp;len)</pre>
<div class="block">Append a range of bytes to the end of the given text.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>utf8</code> - the data to copy from</dd>
<dd><code>start</code> - the first position to append from utf8</dd>
<dd><code>len</code> - the number of bytes to append</dd>
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<pre>public&nbsp;void&nbsp;clear()</pre>
<div class="block">Clear the string to empty.
<em>Note</em>: For performance reasons, this call does not clear the underlying byte array that
is retrievable via <a href="../../../../../org/apache/arrow/vector/util/Text.html#getBytes--"><code>getBytes()</code></a>. In order to free the byte-array memory, call
<a href="../../../../../org/apache/arrow/vector/util/Text.html#set-byte:A-"><code>set(byte[])</code></a> with an empty byte array (For example, <code>new byte[0]</code>).</div>
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<pre>public&nbsp;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;toString()</pre>
<dl>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code><a href="../../../../../org/apache/arrow/vector/util/ReusableByteArray.html#toString--">toString</a></code>&nbsp;in class&nbsp;<code><a href="../../../../../org/apache/arrow/vector/util/ReusableByteArray.html" title="class in org.apache.arrow.vector.util">ReusableByteArray</a></code></dd>
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<pre>public&nbsp;void&nbsp;readWithKnownLength(<a href="https://docs.oracle.com/javase/8/docs/api/java/io/DataInput.html?is-external=true" title="class or interface in java.io">DataInput</a>&nbsp;in,
int&nbsp;len)
throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre>
<div class="block">Read a Text object whose length is already known. This allows creating Text from a stream which
uses a different serialization format.</div>
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<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>in</code> - the input to initialize from</dd>
<dd><code>len</code> - how many bytes to read from in</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code> - if something bad happens</dd>
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<pre>public&nbsp;boolean&nbsp;equals(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>&nbsp;o)</pre>
<dl>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code><a href="../../../../../org/apache/arrow/vector/util/ReusableByteArray.html#equals-java.lang.Object-">equals</a></code>&nbsp;in class&nbsp;<code><a href="../../../../../org/apache/arrow/vector/util/ReusableByteArray.html" title="class in org.apache.arrow.vector.util">ReusableByteArray</a></code></dd>
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<pre>public static&nbsp;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;decode(byte[]&nbsp;utf8)
throws <a href="https://docs.oracle.com/javase/8/docs/api/java/nio/charset/CharacterCodingException.html?is-external=true" title="class or interface in java.nio.charset">CharacterCodingException</a></pre>
<div class="block">Converts the provided byte array to a String using the UTF-8 encoding. If the input is
malformed, replace by a default value.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>utf8</code> - bytes to decode</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>the decoded string</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/nio/charset/CharacterCodingException.html?is-external=true" title="class or interface in java.nio.charset">CharacterCodingException</a></code> - if this is not valid UTF-8</dd>
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<pre>public static&nbsp;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;decode(byte[]&nbsp;utf8,
int&nbsp;start,
int&nbsp;length)
throws <a href="https://docs.oracle.com/javase/8/docs/api/java/nio/charset/CharacterCodingException.html?is-external=true" title="class or interface in java.nio.charset">CharacterCodingException</a></pre>
<dl>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/nio/charset/CharacterCodingException.html?is-external=true" title="class or interface in java.nio.charset">CharacterCodingException</a></code></dd>
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<pre>public static&nbsp;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;decode(byte[]&nbsp;utf8,
int&nbsp;start,
int&nbsp;length,
boolean&nbsp;replace)
throws <a href="https://docs.oracle.com/javase/8/docs/api/java/nio/charset/CharacterCodingException.html?is-external=true" title="class or interface in java.nio.charset">CharacterCodingException</a></pre>
<div class="block">Converts the provided byte array to a String using the UTF-8 encoding. If <code>replace</code>
is true, then malformed input is replaced with the substitution character, which is U+FFFD.
Otherwise the method throws a MalformedInputException.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>utf8</code> - the bytes to decode</dd>
<dd><code>start</code> - where to start from</dd>
<dd><code>length</code> - length of the bytes to decode</dd>
<dd><code>replace</code> - whether to replace malformed characters with U+FFFD</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>the decoded string</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/nio/charset/CharacterCodingException.html?is-external=true" title="class or interface in java.nio.charset">CharacterCodingException</a></code> - if the input could not be decoded</dd>
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<pre>public static&nbsp;<a href="https://docs.oracle.com/javase/8/docs/api/java/nio/ByteBuffer.html?is-external=true" title="class or interface in java.nio">ByteBuffer</a>&nbsp;encode(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;string)
throws <a href="https://docs.oracle.com/javase/8/docs/api/java/nio/charset/CharacterCodingException.html?is-external=true" title="class or interface in java.nio.charset">CharacterCodingException</a></pre>
<div class="block">Converts the provided String to bytes using the UTF-8 encoding. If the input is malformed,
invalid chars are replaced by a default value.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>string</code> - the string to encode</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>ByteBuffer: bytes stores at ByteBuffer.array() and length is ByteBuffer.limit()</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/nio/charset/CharacterCodingException.html?is-external=true" title="class or interface in java.nio.charset">CharacterCodingException</a></code> - if the string could not be encoded</dd>
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<pre>public static&nbsp;<a href="https://docs.oracle.com/javase/8/docs/api/java/nio/ByteBuffer.html?is-external=true" title="class or interface in java.nio">ByteBuffer</a>&nbsp;encode(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;string,
boolean&nbsp;replace)
throws <a href="https://docs.oracle.com/javase/8/docs/api/java/nio/charset/CharacterCodingException.html?is-external=true" title="class or interface in java.nio.charset">CharacterCodingException</a></pre>
<div class="block">Converts the provided String to bytes using the UTF-8 encoding. If <code>replace</code> is
true, then malformed input is replaced with the substitution character, which is U+FFFD.
Otherwise the method throws a MalformedInputException.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>string</code> - the string to encode</dd>
<dd><code>replace</code> - whether to replace malformed characters with U+FFFD</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>ByteBuffer: bytes stores at ByteBuffer.array() and length is ByteBuffer.limit()</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/nio/charset/CharacterCodingException.html?is-external=true" title="class or interface in java.nio.charset">CharacterCodingException</a></code> - if the string could not be encoded</dd>
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<pre>public static&nbsp;boolean&nbsp;validateUTF8NoThrow(byte[]&nbsp;utf8)</pre>
<div class="block">Check if a byte array contains valid utf-8.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>utf8</code> - byte array</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>true if the input is valid UTF-8. False otherwise.</dd>
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<div class="block">Check if a byte array contains valid utf-8.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>utf8</code> - byte array</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/nio/charset/MalformedInputException.html?is-external=true" title="class or interface in java.nio.charset">MalformedInputException</a></code> - if the byte array contains invalid utf-8</dd>
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<pre>public static&nbsp;void&nbsp;validateUTF8(byte[]&nbsp;utf8,
int&nbsp;start,
int&nbsp;len)
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<div class="block">Check to see if a byte array is valid utf-8.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>utf8</code> - the array of bytes</dd>
<dd><code>start</code> - the offset of the first byte in the array</dd>
<dd><code>len</code> - the length of the byte sequence</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/nio/charset/MalformedInputException.html?is-external=true" title="class or interface in java.nio.charset">MalformedInputException</a></code> - if the byte array contains invalid bytes</dd>
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<pre>public static&nbsp;int&nbsp;bytesToCodePoint(<a href="https://docs.oracle.com/javase/8/docs/api/java/nio/ByteBuffer.html?is-external=true" title="class or interface in java.nio">ByteBuffer</a>&nbsp;bytes)</pre>
<div class="block">Returns the next code point at the current position in the buffer. The buffer's position will
be incremented. Any mark set on this buffer will be changed by this method!</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>bytes</code> - the incoming bytes</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>the corresponding unicode codepoint</dd>
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<pre>public static&nbsp;int&nbsp;utf8Length(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;string)</pre>
<div class="block">For the given string, returns the number of UTF-8 bytes required to encode the string.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>string</code> - text to encode</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>number of UTF-8 bytes required to encode</dd>
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