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<div class="subTitle">org.apache.commons.io.output</div>
<h2 title="Class LockableFileWriter" class="title">Class LockableFileWriter</h2>
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<li>org.apache.commons.io.output.LockableFileWriter</li>
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<dt>All Implemented Interfaces:</dt>
<dd><a href="http://docs.oracle.com/javase/7/docs/api/java/io/Closeable.html?is-external=true" title="class or interface in java.io">Closeable</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/io/Flushable.html?is-external=true" title="class or interface in java.io">Flushable</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Appendable.html?is-external=true" title="class or interface in java.lang">Appendable</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/AutoCloseable.html?is-external=true" title="class or interface in java.lang">AutoCloseable</a></dd>
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<pre>public class <span class="typeNameLabel">LockableFileWriter</span>
extends <a href="http://docs.oracle.com/javase/7/docs/api/java/io/Writer.html?is-external=true" title="class or interface in java.io">Writer</a></pre>
<div class="block">FileWriter that will create and honor lock files to allow simple
 cross thread file lock handling.
 <p>
 This class provides a simple alternative to <code>FileWriter</code>
 that will use a lock file to prevent duplicate writes.
 <p>
 <b>N.B.</b> the lock file is deleted when <a href="../../../../../org/apache/commons/io/output/LockableFileWriter.html#close--"><code>close()</code></a> is called
 - or if the main file cannot be opened initially.
 In the (unlikely) event that the lockfile cannot be deleted,
 this is not reported, and subsequent requests using
 the same lockfile will fail.
 <p>
 By default, the file will be overwritten, but this may be changed to append.
 The lock directory may be specified, but defaults to the system property
 <code>java.io.tmpdir</code>.
 The encoding may also be specified, and defaults to the platform default.</div>
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<h3>Fields inherited from class&nbsp;java.io.<a href="http://docs.oracle.com/javase/7/docs/api/java/io/Writer.html?is-external=true" title="class or interface in java.io">Writer</a></h3>
<code><a href="http://docs.oracle.com/javase/7/docs/api/java/io/Writer.html?is-external=true#lock" title="class or interface in java.io">lock</a></code></li>
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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>
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<tr class="altColor">
<td class="colOne"><code><span class="memberNameLink"><a href="../../../../../org/apache/commons/io/output/LockableFileWriter.html#LockableFileWriter-java.io.File-">LockableFileWriter</a></span>(<a href="http://docs.oracle.com/javase/7/docs/api/java/io/File.html?is-external=true" title="class or interface in java.io">File</a>&nbsp;file)</code>
<div class="block">Constructs a LockableFileWriter.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colOne"><code><span class="memberNameLink"><a href="../../../../../org/apache/commons/io/output/LockableFileWriter.html#LockableFileWriter-java.io.File-boolean-">LockableFileWriter</a></span>(<a href="http://docs.oracle.com/javase/7/docs/api/java/io/File.html?is-external=true" title="class or interface in java.io">File</a>&nbsp;file,
                  boolean&nbsp;append)</code>
<div class="block">Constructs a LockableFileWriter.</div>
</td>
</tr>
<tr class="altColor">
<td class="colOne"><code><span class="memberNameLink"><a href="../../../../../org/apache/commons/io/output/LockableFileWriter.html#LockableFileWriter-java.io.File-boolean-java.lang.String-">LockableFileWriter</a></span>(<a href="http://docs.oracle.com/javase/7/docs/api/java/io/File.html?is-external=true" title="class or interface in java.io">File</a>&nbsp;file,
                  boolean&nbsp;append,
                  <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;lockDir)</code>
<div class="block"><span class="deprecatedLabel">Deprecated.</span>&nbsp;
<div class="block"><span class="deprecationComment">2.5 use <a href="../../../../../org/apache/commons/io/output/LockableFileWriter.html#LockableFileWriter-java.io.File-java.nio.charset.Charset-boolean-java.lang.String-"><code>LockableFileWriter(File, Charset, boolean, String)</code></a> instead</span></div>
</div>
</td>
</tr>
<tr class="rowColor">
<td class="colOne"><code><span class="memberNameLink"><a href="../../../../../org/apache/commons/io/output/LockableFileWriter.html#LockableFileWriter-java.io.File-java.nio.charset.Charset-">LockableFileWriter</a></span>(<a href="http://docs.oracle.com/javase/7/docs/api/java/io/File.html?is-external=true" title="class or interface in java.io">File</a>&nbsp;file,
                  <a href="http://docs.oracle.com/javase/7/docs/api/java/nio/charset/Charset.html?is-external=true" title="class or interface in java.nio.charset">Charset</a>&nbsp;encoding)</code>
<div class="block">Constructs a LockableFileWriter with a file encoding.</div>
</td>
</tr>
<tr class="altColor">
<td class="colOne"><code><span class="memberNameLink"><a href="../../../../../org/apache/commons/io/output/LockableFileWriter.html#LockableFileWriter-java.io.File-java.nio.charset.Charset-boolean-java.lang.String-">LockableFileWriter</a></span>(<a href="http://docs.oracle.com/javase/7/docs/api/java/io/File.html?is-external=true" title="class or interface in java.io">File</a>&nbsp;file,
                  <a href="http://docs.oracle.com/javase/7/docs/api/java/nio/charset/Charset.html?is-external=true" title="class or interface in java.nio.charset">Charset</a>&nbsp;encoding,
                  boolean&nbsp;append,
                  <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;lockDir)</code>
<div class="block">Constructs a LockableFileWriter with a file encoding.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colOne"><code><span class="memberNameLink"><a href="../../../../../org/apache/commons/io/output/LockableFileWriter.html#LockableFileWriter-java.io.File-java.lang.String-">LockableFileWriter</a></span>(<a href="http://docs.oracle.com/javase/7/docs/api/java/io/File.html?is-external=true" title="class or interface in java.io">File</a>&nbsp;file,
                  <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;encoding)</code>
<div class="block">Constructs a LockableFileWriter with a file encoding.</div>
</td>
</tr>
<tr class="altColor">
<td class="colOne"><code><span class="memberNameLink"><a href="../../../../../org/apache/commons/io/output/LockableFileWriter.html#LockableFileWriter-java.io.File-java.lang.String-boolean-java.lang.String-">LockableFileWriter</a></span>(<a href="http://docs.oracle.com/javase/7/docs/api/java/io/File.html?is-external=true" title="class or interface in java.io">File</a>&nbsp;file,
                  <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;encoding,
                  boolean&nbsp;append,
                  <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;lockDir)</code>
<div class="block">Constructs a LockableFileWriter with a file encoding.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colOne"><code><span class="memberNameLink"><a href="../../../../../org/apache/commons/io/output/LockableFileWriter.html#LockableFileWriter-java.lang.String-">LockableFileWriter</a></span>(<a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;fileName)</code>
<div class="block">Constructs a LockableFileWriter.</div>
</td>
</tr>
<tr class="altColor">
<td class="colOne"><code><span class="memberNameLink"><a href="../../../../../org/apache/commons/io/output/LockableFileWriter.html#LockableFileWriter-java.lang.String-boolean-">LockableFileWriter</a></span>(<a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;fileName,
                  boolean&nbsp;append)</code>
<div class="block">Constructs a LockableFileWriter.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colOne"><code><span class="memberNameLink"><a href="../../../../../org/apache/commons/io/output/LockableFileWriter.html#LockableFileWriter-java.lang.String-boolean-java.lang.String-">LockableFileWriter</a></span>(<a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;fileName,
                  boolean&nbsp;append,
                  <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;lockDir)</code>
<div class="block">Constructs a LockableFileWriter.</div>
</td>
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<h3>Method Summary</h3>
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<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/commons/io/output/LockableFileWriter.html#close--">close</a></span>()</code>
<div class="block">Closes the file writer and deletes the lockfile (if possible).</div>
</td>
</tr>
<tr id="i1" class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/commons/io/output/LockableFileWriter.html#flush--">flush</a></span>()</code>
<div class="block">Flush the stream.</div>
</td>
</tr>
<tr id="i2" class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/commons/io/output/LockableFileWriter.html#write-char:A-">write</a></span>(char[]&nbsp;chr)</code>
<div class="block">Write the characters from an array.</div>
</td>
</tr>
<tr id="i3" class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/commons/io/output/LockableFileWriter.html#write-char:A-int-int-">write</a></span>(char[]&nbsp;chr,
     int&nbsp;st,
     int&nbsp;end)</code>
<div class="block">Write the specified characters from an array.</div>
</td>
</tr>
<tr id="i4" class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/commons/io/output/LockableFileWriter.html#write-int-">write</a></span>(int&nbsp;idx)</code>
<div class="block">Write a character.</div>
</td>
</tr>
<tr id="i5" class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/commons/io/output/LockableFileWriter.html#write-java.lang.String-">write</a></span>(<a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;str)</code>
<div class="block">Write the characters from a string.</div>
</td>
</tr>
<tr id="i6" class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/commons/io/output/LockableFileWriter.html#write-java.lang.String-int-int-">write</a></span>(<a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;str,
     int&nbsp;st,
     int&nbsp;end)</code>
<div class="block">Write the specified characters from a string.</div>
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<h3>Methods inherited from class&nbsp;java.io.<a href="http://docs.oracle.com/javase/7/docs/api/java/io/Writer.html?is-external=true" title="class or interface in java.io">Writer</a></h3>
<code><a href="http://docs.oracle.com/javase/7/docs/api/java/io/Writer.html?is-external=true#append-char-" title="class or interface in java.io">append</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/io/Writer.html?is-external=true#append-java.lang.CharSequence-" title="class or interface in java.io">append</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/io/Writer.html?is-external=true#append-java.lang.CharSequence-int-int-" title="class or interface in java.io">append</a></code></li>
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<code><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#clone--" title="class or interface in java.lang">clone</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#equals-java.lang.Object-" title="class or interface in java.lang">equals</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#finalize--" title="class or interface in java.lang">finalize</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#getClass--" title="class or interface in java.lang">getClass</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#hashCode--" title="class or interface in java.lang">hashCode</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#notify--" title="class or interface in java.lang">notify</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#notifyAll--" title="class or interface in java.lang">notifyAll</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#toString--" title="class or interface in java.lang">toString</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#wait--" title="class or interface in java.lang">wait</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#wait-long-" title="class or interface in java.lang">wait</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#wait-long-int-" title="class or interface in java.lang">wait</a></code></li>
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<h4>LockableFileWriter</h4>
<pre>public&nbsp;LockableFileWriter(<a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;fileName)
                   throws <a href="http://docs.oracle.com/javase/7/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre>
<div class="block">Constructs a LockableFileWriter.
 If the file exists, it is overwritten.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>fileName</code> - the file to write to, not null</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/NullPointerException.html?is-external=true" title="class or interface in java.lang">NullPointerException</a></code> - if the file is null</dd>
<dd><code><a href="http://docs.oracle.com/javase/7/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code> - in case of an I/O error</dd>
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<pre>public&nbsp;LockableFileWriter(<a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;fileName,
                          boolean&nbsp;append)
                   throws <a href="http://docs.oracle.com/javase/7/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre>
<div class="block">Constructs a LockableFileWriter.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>fileName</code> - file to write to, not null</dd>
<dd><code>append</code> - true if content should be appended, false to overwrite</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/NullPointerException.html?is-external=true" title="class or interface in java.lang">NullPointerException</a></code> - if the file is null</dd>
<dd><code><a href="http://docs.oracle.com/javase/7/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code> - in case of an I/O error</dd>
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<pre>public&nbsp;LockableFileWriter(<a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;fileName,
                          boolean&nbsp;append,
                          <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;lockDir)
                   throws <a href="http://docs.oracle.com/javase/7/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre>
<div class="block">Constructs a LockableFileWriter.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>fileName</code> - the file to write to, not null</dd>
<dd><code>append</code> - true if content should be appended, false to overwrite</dd>
<dd><code>lockDir</code> - the directory in which the lock file should be held</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/NullPointerException.html?is-external=true" title="class or interface in java.lang">NullPointerException</a></code> - if the file is null</dd>
<dd><code><a href="http://docs.oracle.com/javase/7/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code> - in case of an I/O error</dd>
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<pre>public&nbsp;LockableFileWriter(<a href="http://docs.oracle.com/javase/7/docs/api/java/io/File.html?is-external=true" title="class or interface in java.io">File</a>&nbsp;file)
                   throws <a href="http://docs.oracle.com/javase/7/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre>
<div class="block">Constructs a LockableFileWriter.
 If the file exists, it is overwritten.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>file</code> - the file to write to, not null</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/NullPointerException.html?is-external=true" title="class or interface in java.lang">NullPointerException</a></code> - if the file is null</dd>
<dd><code><a href="http://docs.oracle.com/javase/7/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code> - in case of an I/O error</dd>
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<pre>public&nbsp;LockableFileWriter(<a href="http://docs.oracle.com/javase/7/docs/api/java/io/File.html?is-external=true" title="class or interface in java.io">File</a>&nbsp;file,
                          boolean&nbsp;append)
                   throws <a href="http://docs.oracle.com/javase/7/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre>
<div class="block">Constructs a LockableFileWriter.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>file</code> - the file to write to, not null</dd>
<dd><code>append</code> - true if content should be appended, false to overwrite</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/NullPointerException.html?is-external=true" title="class or interface in java.lang">NullPointerException</a></code> - if the file is null</dd>
<dd><code><a href="http://docs.oracle.com/javase/7/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code> - in case of an I/O error</dd>
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<pre><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Deprecated.html?is-external=true" title="class or interface in java.lang">@Deprecated</a>
public&nbsp;LockableFileWriter(<a href="http://docs.oracle.com/javase/7/docs/api/java/io/File.html?is-external=true" title="class or interface in java.io">File</a>&nbsp;file,
                                      boolean&nbsp;append,
                                      <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;lockDir)
                               throws <a href="http://docs.oracle.com/javase/7/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre>
<div class="block"><span class="deprecatedLabel">Deprecated.</span>&nbsp;<span class="deprecationComment">2.5 use <a href="../../../../../org/apache/commons/io/output/LockableFileWriter.html#LockableFileWriter-java.io.File-java.nio.charset.Charset-boolean-java.lang.String-"><code>LockableFileWriter(File, Charset, boolean, String)</code></a> instead</span></div>
<div class="block">Constructs a LockableFileWriter.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>file</code> - the file to write to, not null</dd>
<dd><code>append</code> - true if content should be appended, false to overwrite</dd>
<dd><code>lockDir</code> - the directory in which the lock file should be held</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/NullPointerException.html?is-external=true" title="class or interface in java.lang">NullPointerException</a></code> - if the file is null</dd>
<dd><code><a href="http://docs.oracle.com/javase/7/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code> - in case of an I/O error</dd>
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<pre>public&nbsp;LockableFileWriter(<a href="http://docs.oracle.com/javase/7/docs/api/java/io/File.html?is-external=true" title="class or interface in java.io">File</a>&nbsp;file,
                          <a href="http://docs.oracle.com/javase/7/docs/api/java/nio/charset/Charset.html?is-external=true" title="class or interface in java.nio.charset">Charset</a>&nbsp;encoding)
                   throws <a href="http://docs.oracle.com/javase/7/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre>
<div class="block">Constructs a LockableFileWriter with a file encoding.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>file</code> - the file to write to, not null</dd>
<dd><code>encoding</code> - the encoding to use, null means platform default</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/NullPointerException.html?is-external=true" title="class or interface in java.lang">NullPointerException</a></code> - if the file is null</dd>
<dd><code><a href="http://docs.oracle.com/javase/7/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code> - in case of an I/O error</dd>
<dt><span class="simpleTagLabel">Since:</span></dt>
<dd>2.3</dd>
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<pre>public&nbsp;LockableFileWriter(<a href="http://docs.oracle.com/javase/7/docs/api/java/io/File.html?is-external=true" title="class or interface in java.io">File</a>&nbsp;file,
                          <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;encoding)
                   throws <a href="http://docs.oracle.com/javase/7/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre>
<div class="block">Constructs a LockableFileWriter with a file encoding.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>file</code> - the file to write to, not null</dd>
<dd><code>encoding</code> - the encoding to use, null means platform default</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/NullPointerException.html?is-external=true" title="class or interface in java.lang">NullPointerException</a></code> - if the file is null</dd>
<dd><code><a href="http://docs.oracle.com/javase/7/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code> - in case of an I/O error</dd>
<dd><code><a href="http://docs.oracle.com/javase/7/docs/api/java/nio/charset/UnsupportedCharsetException.html?is-external=true" title="class or interface in java.nio.charset">UnsupportedCharsetException</a></code> - thrown instead of <a href="http://docs.oracle.com/javase/7/docs/api/java/io/UnsupportedEncodingException.html?is-external=true" title="class or interface in java.io"><code>UnsupportedEncodingException</code></a> in version 2.2 if the encoding is not
             supported.</dd>
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<pre>public&nbsp;LockableFileWriter(<a href="http://docs.oracle.com/javase/7/docs/api/java/io/File.html?is-external=true" title="class or interface in java.io">File</a>&nbsp;file,
                          <a href="http://docs.oracle.com/javase/7/docs/api/java/nio/charset/Charset.html?is-external=true" title="class or interface in java.nio.charset">Charset</a>&nbsp;encoding,
                          boolean&nbsp;append,
                          <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;lockDir)
                   throws <a href="http://docs.oracle.com/javase/7/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre>
<div class="block">Constructs a LockableFileWriter with a file encoding.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>file</code> - the file to write to, not null</dd>
<dd><code>encoding</code> - the encoding to use, null means platform default</dd>
<dd><code>append</code> - true if content should be appended, false to overwrite</dd>
<dd><code>lockDir</code> - the directory in which the lock file should be held</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/NullPointerException.html?is-external=true" title="class or interface in java.lang">NullPointerException</a></code> - if the file is null</dd>
<dd><code><a href="http://docs.oracle.com/javase/7/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code> - in case of an I/O error</dd>
<dt><span class="simpleTagLabel">Since:</span></dt>
<dd>2.3</dd>
</dl>
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<pre>public&nbsp;LockableFileWriter(<a href="http://docs.oracle.com/javase/7/docs/api/java/io/File.html?is-external=true" title="class or interface in java.io">File</a>&nbsp;file,
                          <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;encoding,
                          boolean&nbsp;append,
                          <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;lockDir)
                   throws <a href="http://docs.oracle.com/javase/7/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre>
<div class="block">Constructs a LockableFileWriter with a file encoding.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>file</code> - the file to write to, not null</dd>
<dd><code>encoding</code> - the encoding to use, null means platform default</dd>
<dd><code>append</code> - true if content should be appended, false to overwrite</dd>
<dd><code>lockDir</code> - the directory in which the lock file should be held</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/NullPointerException.html?is-external=true" title="class or interface in java.lang">NullPointerException</a></code> - if the file is null</dd>
<dd><code><a href="http://docs.oracle.com/javase/7/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code> - in case of an I/O error</dd>
<dd><code><a href="http://docs.oracle.com/javase/7/docs/api/java/nio/charset/UnsupportedCharsetException.html?is-external=true" title="class or interface in java.nio.charset">UnsupportedCharsetException</a></code> - thrown instead of <a href="http://docs.oracle.com/javase/7/docs/api/java/io/UnsupportedEncodingException.html?is-external=true" title="class or interface in java.io"><code>UnsupportedEncodingException</code></a> in version 2.2 if the encoding is not
             supported.</dd>
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<pre>public&nbsp;void&nbsp;close()
           throws <a href="http://docs.oracle.com/javase/7/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre>
<div class="block">Closes the file writer and deletes the lockfile (if possible).</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="http://docs.oracle.com/javase/7/docs/api/java/io/Closeable.html?is-external=true#close--" title="class or interface in java.io">close</a></code>&nbsp;in interface&nbsp;<code><a href="http://docs.oracle.com/javase/7/docs/api/java/io/Closeable.html?is-external=true" title="class or interface in java.io">Closeable</a></code></dd>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/AutoCloseable.html?is-external=true#close--" title="class or interface in java.lang">close</a></code>&nbsp;in interface&nbsp;<code><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/AutoCloseable.html?is-external=true" title="class or interface in java.lang">AutoCloseable</a></code></dd>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="http://docs.oracle.com/javase/7/docs/api/java/io/Writer.html?is-external=true#close--" title="class or interface in java.io">close</a></code>&nbsp;in class&nbsp;<code><a href="http://docs.oracle.com/javase/7/docs/api/java/io/Writer.html?is-external=true" title="class or interface in java.io">Writer</a></code></dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="http://docs.oracle.com/javase/7/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code> - if an I/O error occurs</dd>
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<pre>public&nbsp;void&nbsp;write(int&nbsp;idx)
           throws <a href="http://docs.oracle.com/javase/7/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre>
<div class="block">Write a character.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code><a href="http://docs.oracle.com/javase/7/docs/api/java/io/Writer.html?is-external=true#write-int-" title="class or interface in java.io">write</a></code>&nbsp;in class&nbsp;<code><a href="http://docs.oracle.com/javase/7/docs/api/java/io/Writer.html?is-external=true" title="class or interface in java.io">Writer</a></code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>idx</code> - the character to write</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="http://docs.oracle.com/javase/7/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code> - if an I/O error occurs</dd>
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<pre>public&nbsp;void&nbsp;write(char[]&nbsp;chr)
           throws <a href="http://docs.oracle.com/javase/7/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre>
<div class="block">Write the characters from an array.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code><a href="http://docs.oracle.com/javase/7/docs/api/java/io/Writer.html?is-external=true#write-char:A-" title="class or interface in java.io">write</a></code>&nbsp;in class&nbsp;<code><a href="http://docs.oracle.com/javase/7/docs/api/java/io/Writer.html?is-external=true" title="class or interface in java.io">Writer</a></code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>chr</code> - the characters to write</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="http://docs.oracle.com/javase/7/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code> - if an I/O error occurs</dd>
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<pre>public&nbsp;void&nbsp;write(char[]&nbsp;chr,
                  int&nbsp;st,
                  int&nbsp;end)
           throws <a href="http://docs.oracle.com/javase/7/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre>
<div class="block">Write the specified characters from an array.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="http://docs.oracle.com/javase/7/docs/api/java/io/Writer.html?is-external=true#write-char:A-int-int-" title="class or interface in java.io">write</a></code>&nbsp;in class&nbsp;<code><a href="http://docs.oracle.com/javase/7/docs/api/java/io/Writer.html?is-external=true" title="class or interface in java.io">Writer</a></code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>chr</code> - the characters to write</dd>
<dd><code>st</code> - The start offset</dd>
<dd><code>end</code> - The number of characters to write</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="http://docs.oracle.com/javase/7/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code> - if an I/O error occurs</dd>
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<pre>public&nbsp;void&nbsp;write(<a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;str)
           throws <a href="http://docs.oracle.com/javase/7/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre>
<div class="block">Write the characters from a string.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code><a href="http://docs.oracle.com/javase/7/docs/api/java/io/Writer.html?is-external=true#write-java.lang.String-" title="class or interface in java.io">write</a></code>&nbsp;in class&nbsp;<code><a href="http://docs.oracle.com/javase/7/docs/api/java/io/Writer.html?is-external=true" title="class or interface in java.io">Writer</a></code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>str</code> - the string to write</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="http://docs.oracle.com/javase/7/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code> - if an I/O error occurs</dd>
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<h4>write</h4>
<pre>public&nbsp;void&nbsp;write(<a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;str,
                  int&nbsp;st,
                  int&nbsp;end)
           throws <a href="http://docs.oracle.com/javase/7/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre>
<div class="block">Write the specified characters from a string.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code><a href="http://docs.oracle.com/javase/7/docs/api/java/io/Writer.html?is-external=true#write-java.lang.String-int-int-" title="class or interface in java.io">write</a></code>&nbsp;in class&nbsp;<code><a href="http://docs.oracle.com/javase/7/docs/api/java/io/Writer.html?is-external=true" title="class or interface in java.io">Writer</a></code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>str</code> - the string to write</dd>
<dd><code>st</code> - The start offset</dd>
<dd><code>end</code> - The number of characters to write</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="http://docs.oracle.com/javase/7/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code> - if an I/O error occurs</dd>
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<h4>flush</h4>
<pre>public&nbsp;void&nbsp;flush()
           throws <a href="http://docs.oracle.com/javase/7/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre>
<div class="block">Flush the stream.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="http://docs.oracle.com/javase/7/docs/api/java/io/Flushable.html?is-external=true#flush--" title="class or interface in java.io">flush</a></code>&nbsp;in interface&nbsp;<code><a href="http://docs.oracle.com/javase/7/docs/api/java/io/Flushable.html?is-external=true" title="class or interface in java.io">Flushable</a></code></dd>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="http://docs.oracle.com/javase/7/docs/api/java/io/Writer.html?is-external=true#flush--" title="class or interface in java.io">flush</a></code>&nbsp;in class&nbsp;<code><a href="http://docs.oracle.com/javase/7/docs/api/java/io/Writer.html?is-external=true" title="class or interface in java.io">Writer</a></code></dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="http://docs.oracle.com/javase/7/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code> - if an I/O error occurs</dd>
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