tomee-8.0/javadoc/javax/servlet/ServletOutputStream.html - tomee-site-pub - Git at Google

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 <div class="subTitle">javax.servlet</div>
 <h2 title="Class ServletOutputStream" class="title">Class ServletOutputStream</h2>
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 <ul class="inheritance">
 <li>java.lang.Object</li>
 <li>
 <ul class="inheritance">
 <li>java.io.OutputStream</li>
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 <li>javax.servlet.ServletOutputStream</li>
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 <dt>All Implemented Interfaces:</dt>
 <dd>java.io.Closeable, java.io.Flushable, java.lang.AutoCloseable</dd>
 </dl>
 <dl>
 <dt>Direct Known Subclasses:</dt>
 <dd><a href="../../org/apache/openejb/server/httpd/ServletByteArrayOutputStream.html" title="class in org.apache.openejb.server.httpd">ServletByteArrayOutputStream</a>, <a href="../../org/apache/openejb/server/httpd/ServletOutputStreamAdapter.html" title="class in org.apache.openejb.server.httpd">ServletOutputStreamAdapter</a></dd>
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 <hr>
 <br>
 <pre>public abstract class <span class="typeNameLabel">ServletOutputStream</span>
 extends java.io.OutputStream</pre>
 <div class="block">Provides an output stream for sending binary data to the
  client. A <code>ServletOutputStream</code> object is normally retrieved
  via the <a href="../../javax/servlet/ServletResponse.html#getOutputStream--"><code>ServletResponse.getOutputStream()</code></a> method.

  <p>This is an abstract class that the servlet container implements.
  Subclasses of this class
  must implement the <code>java.io.OutputStream.write(int)</code>
  method.</div>
 <dl>
 <dt><span class="seeLabel">See Also:</span></dt>
 <dd><a href="../../javax/servlet/ServletResponse.html" title="interface in javax.servlet"><code>ServletResponse</code></a></dd>
 </dl>
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 <th class="colFirst" scope="col">Modifier</th>
 <th class="colLast" scope="col">Constructor and Description</th>
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 <tr class="altColor">
 <td class="colFirst"><code>protected </code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../javax/servlet/ServletOutputStream.html#ServletOutputStream--">ServletOutputStream</a></span>()</code>
 <div class="block">Does nothing, because this is an abstract class.</div>
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 <caption><span id="t0" class="activeTableTab"><span>All Methods</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="t3" class="tableTab"><span><a href="javascript:show(4);">Abstract 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>abstract boolean</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../javax/servlet/ServletOutputStream.html#isReady--">isReady</a></span>()</code>
 <div class="block">This method can be used to determine if data can be written without blocking.</div>
 </td>
 </tr>
 <tr id="i1" class="rowColor">
 <td class="colFirst"><code>void</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../javax/servlet/ServletOutputStream.html#print-boolean-">print</a></span>(boolean&nbsp;b)</code>
 <div class="block">Writes a <code>boolean</code> value to the client,
  with no carriage return-line feed (CRLF)
  character at the end.</div>
 </td>
 </tr>
 <tr id="i2" class="altColor">
 <td class="colFirst"><code>void</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../javax/servlet/ServletOutputStream.html#print-char-">print</a></span>(char&nbsp;c)</code>
 <div class="block">Writes a character to the client,
  with no carriage return-line feed (CRLF)
  at the end.</div>
 </td>
 </tr>
 <tr id="i3" class="rowColor">
 <td class="colFirst"><code>void</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../javax/servlet/ServletOutputStream.html#print-double-">print</a></span>(double&nbsp;d)</code>
 <div class="block">Writes a <code>double</code> value to the client,
  with no carriage return-line feed (CRLF) at the end.</div>
 </td>
 </tr>
 <tr id="i4" class="altColor">
 <td class="colFirst"><code>void</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../javax/servlet/ServletOutputStream.html#print-float-">print</a></span>(float&nbsp;f)</code>
 <div class="block">Writes a <code>float</code> value to the client,
  with no carriage return-line feed (CRLF) at the end.</div>
 </td>
 </tr>
 <tr id="i5" class="rowColor">
 <td class="colFirst"><code>void</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../javax/servlet/ServletOutputStream.html#print-int-">print</a></span>(int&nbsp;i)</code>
 <div class="block">Writes an int to the client,
  with no carriage return-line feed (CRLF)
  at the end.</div>
 </td>
 </tr>
 <tr id="i6" class="altColor">
 <td class="colFirst"><code>void</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../javax/servlet/ServletOutputStream.html#print-long-">print</a></span>(long&nbsp;l)</code>
 <div class="block">Writes a <code>long</code> value to the client,
  with no carriage return-line feed (CRLF) at the end.</div>
 </td>
 </tr>
 <tr id="i7" class="rowColor">
 <td class="colFirst"><code>void</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../javax/servlet/ServletOutputStream.html#print-java.lang.String-">print</a></span>(java.lang.String&nbsp;s)</code>
 <div class="block">Writes a <code>String</code> to the client,
  without a carriage return-line feed (CRLF)
  character at the end.</div>
 </td>
 </tr>
 <tr id="i8" class="altColor">
 <td class="colFirst"><code>void</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../javax/servlet/ServletOutputStream.html#println--">println</a></span>()</code>
 <div class="block">Writes a carriage return-line feed (CRLF)
  to the client.</div>
 </td>
 </tr>
 <tr id="i9" class="rowColor">
 <td class="colFirst"><code>void</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../javax/servlet/ServletOutputStream.html#println-boolean-">println</a></span>(boolean&nbsp;b)</code>
 <div class="block">Writes a <code>boolean</code> value to the client,
  followed by a
  carriage return-line feed (CRLF).</div>
 </td>
 </tr>
 <tr id="i10" class="altColor">
 <td class="colFirst"><code>void</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../javax/servlet/ServletOutputStream.html#println-char-">println</a></span>(char&nbsp;c)</code>
 <div class="block">Writes a character to the client, followed by a carriage
  return-line feed (CRLF).</div>
 </td>
 </tr>
 <tr id="i11" class="rowColor">
 <td class="colFirst"><code>void</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../javax/servlet/ServletOutputStream.html#println-double-">println</a></span>(double&nbsp;d)</code>
 <div class="block">Writes a <code>double</code> value to the client,
  followed by a carriage return-line feed (CRLF).</div>
 </td>
 </tr>
 <tr id="i12" class="altColor">
 <td class="colFirst"><code>void</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../javax/servlet/ServletOutputStream.html#println-float-">println</a></span>(float&nbsp;f)</code>
 <div class="block">Writes a <code>float</code> value to the client,
  followed by a carriage return-line feed (CRLF).</div>
 </td>
 </tr>
 <tr id="i13" class="rowColor">
 <td class="colFirst"><code>void</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../javax/servlet/ServletOutputStream.html#println-int-">println</a></span>(int&nbsp;i)</code>
 <div class="block">Writes an int to the client, followed by a
  carriage return-line feed (CRLF) character.</div>
 </td>
 </tr>
 <tr id="i14" class="altColor">
 <td class="colFirst"><code>void</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../javax/servlet/ServletOutputStream.html#println-long-">println</a></span>(long&nbsp;l)</code>
 <div class="block">Writes a <code>long</code> value to the client, followed by a
  carriage return-line feed (CRLF).</div>
 </td>
 </tr>
 <tr id="i15" class="rowColor">
 <td class="colFirst"><code>void</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../javax/servlet/ServletOutputStream.html#println-java.lang.String-">println</a></span>(java.lang.String&nbsp;s)</code>
 <div class="block">Writes a <code>String</code> to the client,
  followed by a carriage return-line feed (CRLF).</div>
 </td>
 </tr>
 <tr id="i16" class="altColor">
 <td class="colFirst"><code>abstract void</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../javax/servlet/ServletOutputStream.html#setWriteListener-javax.servlet.WriteListener-">setWriteListener</a></span>(<a href="../../javax/servlet/WriteListener.html" title="interface in javax.servlet">WriteListener</a>&nbsp;writeListener)</code>
 <div class="block">Instructs the <code>ServletOutputStream</code> to invoke the provided
  <a href="../../javax/servlet/WriteListener.html" title="interface in javax.servlet"><code>WriteListener</code></a> when it is possible to write</div>
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 <code>close, flush, write, write, write</code></li>
 </ul>
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            throws java.io.IOException</pre>
 <div class="block">Writes a <code>String</code> to the client,
  without a carriage return-line feed (CRLF)
  character at the end.</div>
 <dl>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>s</code> - the <code>String</code> to send to the client</dd>
 <dt><span class="throwsLabel">Throws:</span></dt>
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 <div class="block">Writes a <code>boolean</code> value to the client,
  with no carriage return-line feed (CRLF)
  character at the end.</div>
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 <dd><code>b</code> - the <code>boolean</code> value
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 <div class="block">Writes a character to the client,
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  at the end.</div>
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 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>c</code> - the character to send to the client</dd>
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 <div class="block">Writes an int to the client,
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  at the end.</div>
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 <dd><code>i</code> - the int to send to the client</dd>
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            throws java.io.IOException</pre>
 <div class="block">Writes a <code>long</code> value to the client,
  with no carriage return-line feed (CRLF) at the end.</div>
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 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>l</code> - the <code>long</code> value
                                 to send to the client</dd>
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 <dd><code>java.io.IOException</code> - if an input or output exception
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 <div class="block">Writes a <code>float</code> value to the client,
  with no carriage return-line feed (CRLF) at the end.</div>
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 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>f</code> - the <code>float</code> value
                                 to send to the client</dd>
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 <dd><code>d</code> - the <code>double</code> value
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  followed by a carriage return-line feed (CRLF).</div>
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 <dd><code>s</code> - the <code>String</code> to write to the client</dd>
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  carriage return-line feed (CRLF).</div>
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 <dd><code>b</code> - the <code>boolean</code> value
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 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>c</code> - the character to write to the client</dd>
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 <dd><code>l</code> - the <code>long</code> value to write to the client</dd>
 <dt><span class="throwsLabel">Throws:</span></dt>
 <dd><code>java.io.IOException</code> - if an input or output exception occurred</dd>
 </dl>
 </li>
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 <h4>println</h4>
 <pre>public&nbsp;void&nbsp;println(float&nbsp;f)
              throws java.io.IOException</pre>
 <div class="block">Writes a <code>float</code> value to the client,
  followed by a carriage return-line feed (CRLF).</div>
 <dl>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>f</code> - the <code>float</code> value
                                 to write to the client</dd>
 <dt><span class="throwsLabel">Throws:</span></dt>
 <dd><code>java.io.IOException</code> - if an input or output exception
                                 occurred</dd>
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 <h4>println</h4>
 <pre>public&nbsp;void&nbsp;println(double&nbsp;d)
              throws java.io.IOException</pre>
 <div class="block">Writes a <code>double</code> value to the client,
  followed by a carriage return-line feed (CRLF).</div>
 <dl>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>d</code> - the <code>double</code> value
                                 to write to the client</dd>
 <dt><span class="throwsLabel">Throws:</span></dt>
 <dd><code>java.io.IOException</code> - if an input or output exception occurred</dd>
 </dl>
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 <h4>isReady</h4>
 <pre>public abstract&nbsp;boolean&nbsp;isReady()</pre>
 <div class="block">This method can be used to determine if data can be written without blocking.</div>
 <dl>
 <dt><span class="returnLabel">Returns:</span></dt>
 <dd><code>true</code> if a write to this <code>ServletOutputStream</code>
   will succeed, otherwise returns <code>false</code>.</dd>
 <dt><span class="simpleTagLabel">Since:</span></dt>
 <dd>Servlet 3.1</dd>
 </dl>
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 <pre>public abstract&nbsp;void&nbsp;setWriteListener(<a href="../../javax/servlet/WriteListener.html" title="interface in javax.servlet">WriteListener</a>&nbsp;writeListener)</pre>
 <div class="block">Instructs the <code>ServletOutputStream</code> to invoke the provided
  <a href="../../javax/servlet/WriteListener.html" title="interface in javax.servlet"><code>WriteListener</code></a> when it is possible to write</div>
 <dl>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>writeListener</code> - the <a href="../../javax/servlet/WriteListener.html" title="interface in javax.servlet"><code>WriteListener</code></a> that should be notified
   when it's possible to write</dd>
 <dt><span class="throwsLabel">Throws:</span></dt>
 <dd><code>java.lang.IllegalStateException</code> - if one of the following conditions is true
  <ul>
  <li>the associated request is neither upgraded nor the async started
  <li>setWriteListener is called more than once within the scope of the same request.
  </ul></dd>
 <dd><code>java.lang.NullPointerException</code> - if writeListener is null</dd>
 <dt><span class="simpleTagLabel">Since:</span></dt>
 <dd>Servlet 3.1</dd>
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