jonas.rehn
/
praktikum-holons
geforkt von carlos.garcia/praktikum-holons


			
				
					
						
						
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<div class="subTitle">org.jfree.chart.servlet</div>
<h2 title="Class ServletUtilities" class="title">Class ServletUtilities</h2>
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<li>java.lang.Object</li>
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<li>org.jfree.chart.servlet.ServletUtilities</li>
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<pre>public class <a href="../../../../src-html/org/jfree/chart/servlet/ServletUtilities.html#line.82">ServletUtilities</a>
extends java.lang.Object</pre>
<div class="block">Utility class used for servlet related JFreeChart operations.</div>
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<th class="colOne" scope="col">Constructor and Description</th>
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<td class="colOne"><code><span class="memberNameLink"><a href="../../../../org/jfree/chart/servlet/ServletUtilities.html#ServletUtilities--">ServletUtilities</a></span>()</code>&nbsp;</td>
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<td class="colFirst"><code>protected static void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/jfree/chart/servlet/ServletUtilities.html#createTempDir--">createTempDir</a></span>()</code>
<div class="block">Creates the temporary directory if it does not exist.</div>
</td>
</tr>
<tr id="i1" class="rowColor">
<td class="colFirst"><code>static java.lang.String</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/jfree/chart/servlet/ServletUtilities.html#getTempFilePrefix--">getTempFilePrefix</a></span>()</code>
<div class="block">Returns the prefix for the temporary file names generated by this class.</div>
</td>
</tr>
<tr id="i2" class="altColor">
<td class="colFirst"><code>static java.lang.String</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/jfree/chart/servlet/ServletUtilities.html#getTempOneTimeFilePrefix--">getTempOneTimeFilePrefix</a></span>()</code>
<div class="block">Returns the prefix for "one time" temporary file names generated by
 this class.</div>
</td>
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<tr id="i3" class="rowColor">
<td class="colFirst"><code>protected static void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/jfree/chart/servlet/ServletUtilities.html#registerChartForDeletion-java.io.File-javax.servlet.http.HttpSession-">registerChartForDeletion</a></span>(java.io.File&nbsp;tempFile,
                        javax.servlet.http.HttpSession&nbsp;session)</code>
<div class="block">Adds a <a href="../../../../org/jfree/chart/servlet/ChartDeleter.html" title="class in org.jfree.chart.servlet"><code>ChartDeleter</code></a> object to the session object with the name
 <code>JFreeChart_Deleter</code> if there is not already one bound to the
 session and adds the filename to the list of charts to be deleted.</div>
</td>
</tr>
<tr id="i4" class="altColor">
<td class="colFirst"><code>static java.lang.String</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/jfree/chart/servlet/ServletUtilities.html#saveChartAsJPEG-org.jfree.chart.JFreeChart-int-int-org.jfree.chart.ChartRenderingInfo-javax.servlet.http.HttpSession-">saveChartAsJPEG</a></span>(<a href="../../../../org/jfree/chart/JFreeChart.html" title="class in org.jfree.chart">JFreeChart</a>&nbsp;chart,
               int&nbsp;width,
               int&nbsp;height,
               <a href="../../../../org/jfree/chart/ChartRenderingInfo.html" title="class in org.jfree.chart">ChartRenderingInfo</a>&nbsp;info,
               javax.servlet.http.HttpSession&nbsp;session)</code>
<div class="block">Saves the chart as a JPEG format file in the temporary directory and
 populates the <code>ChartRenderingInfo</code> object which can be used
 to generate an HTML image map.</div>
</td>
</tr>
<tr id="i5" class="rowColor">
<td class="colFirst"><code>static java.lang.String</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/jfree/chart/servlet/ServletUtilities.html#saveChartAsJPEG-org.jfree.chart.JFreeChart-int-int-javax.servlet.http.HttpSession-">saveChartAsJPEG</a></span>(<a href="../../../../org/jfree/chart/JFreeChart.html" title="class in org.jfree.chart">JFreeChart</a>&nbsp;chart,
               int&nbsp;width,
               int&nbsp;height,
               javax.servlet.http.HttpSession&nbsp;session)</code>
<div class="block">Saves the chart as a JPEG format file in the temporary directory.</div>
</td>
</tr>
<tr id="i6" class="altColor">
<td class="colFirst"><code>static java.lang.String</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/jfree/chart/servlet/ServletUtilities.html#saveChartAsPNG-org.jfree.chart.JFreeChart-int-int-org.jfree.chart.ChartRenderingInfo-javax.servlet.http.HttpSession-">saveChartAsPNG</a></span>(<a href="../../../../org/jfree/chart/JFreeChart.html" title="class in org.jfree.chart">JFreeChart</a>&nbsp;chart,
              int&nbsp;width,
              int&nbsp;height,
              <a href="../../../../org/jfree/chart/ChartRenderingInfo.html" title="class in org.jfree.chart">ChartRenderingInfo</a>&nbsp;info,
              javax.servlet.http.HttpSession&nbsp;session)</code>
<div class="block">Saves the chart as a PNG format file in the temporary directory and
 populates the <a href="../../../../org/jfree/chart/ChartRenderingInfo.html" title="class in org.jfree.chart"><code>ChartRenderingInfo</code></a> object which can be used to
 generate an HTML image map.</div>
</td>
</tr>
<tr id="i7" class="rowColor">
<td class="colFirst"><code>static java.lang.String</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/jfree/chart/servlet/ServletUtilities.html#saveChartAsPNG-org.jfree.chart.JFreeChart-int-int-javax.servlet.http.HttpSession-">saveChartAsPNG</a></span>(<a href="../../../../org/jfree/chart/JFreeChart.html" title="class in org.jfree.chart">JFreeChart</a>&nbsp;chart,
              int&nbsp;width,
              int&nbsp;height,
              javax.servlet.http.HttpSession&nbsp;session)</code>
<div class="block">Saves the chart as a PNG format file in the temporary directory.</div>
</td>
</tr>
<tr id="i8" class="altColor">
<td class="colFirst"><code>static java.lang.String</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/jfree/chart/servlet/ServletUtilities.html#searchReplace-java.lang.String-java.lang.String-java.lang.String-">searchReplace</a></span>(java.lang.String&nbsp;inputString,
             java.lang.String&nbsp;searchString,
             java.lang.String&nbsp;replaceString)</code>
<div class="block">Perform a search/replace operation on a String
 There are String methods to do this since (JDK 1.4)</div>
</td>
</tr>
<tr id="i9" class="rowColor">
<td class="colFirst"><code>static void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/jfree/chart/servlet/ServletUtilities.html#sendTempFile-java.io.File-javax.servlet.http.HttpServletResponse-">sendTempFile</a></span>(java.io.File&nbsp;file,
            javax.servlet.http.HttpServletResponse&nbsp;response)</code>
<div class="block">Binary streams the specified file to the HTTP response in 1KB chunks.</div>
</td>
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<tr id="i10" class="altColor">
<td class="colFirst"><code>static void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/jfree/chart/servlet/ServletUtilities.html#sendTempFile-java.io.File-javax.servlet.http.HttpServletResponse-java.lang.String-">sendTempFile</a></span>(java.io.File&nbsp;file,
            javax.servlet.http.HttpServletResponse&nbsp;response,
            java.lang.String&nbsp;mimeType)</code>
<div class="block">Binary streams the specified file to the HTTP response in 1KB chunks.</div>
</td>
</tr>
<tr id="i11" class="rowColor">
<td class="colFirst"><code>static void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/jfree/chart/servlet/ServletUtilities.html#sendTempFile-java.lang.String-javax.servlet.http.HttpServletResponse-">sendTempFile</a></span>(java.lang.String&nbsp;filename,
            javax.servlet.http.HttpServletResponse&nbsp;response)</code>
<div class="block">Binary streams the specified file in the temporary directory to the
 HTTP response in 1KB chunks.</div>
</td>
</tr>
<tr id="i12" class="altColor">
<td class="colFirst"><code>static void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/jfree/chart/servlet/ServletUtilities.html#setTempFilePrefix-java.lang.String-">setTempFilePrefix</a></span>(java.lang.String&nbsp;prefix)</code>
<div class="block">Sets the prefix for the temporary file names generated by this class.</div>
</td>
</tr>
<tr id="i13" class="rowColor">
<td class="colFirst"><code>static void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/jfree/chart/servlet/ServletUtilities.html#setTempOneTimeFilePrefix-java.lang.String-">setTempOneTimeFilePrefix</a></span>(java.lang.String&nbsp;prefix)</code>
<div class="block">Sets the prefix for the "one time" temporary file names generated by
 this class.</div>
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<h3>Methods inherited from class&nbsp;java.lang.Object</h3>
<code>clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait</code></li>
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<h4>ServletUtilities</h4>
<pre>public&nbsp;<a href="../../../../src-html/org/jfree/chart/servlet/ServletUtilities.html#line.82">ServletUtilities</a>()</pre>
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<pre>public static&nbsp;java.lang.String&nbsp;<a href="../../../../src-html/org/jfree/chart/servlet/ServletUtilities.html#line.95">getTempFilePrefix</a>()</pre>
<div class="block">Returns the prefix for the temporary file names generated by this class.</div>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>The prefix (never <code>null</code>).</dd>
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<pre>public static&nbsp;void&nbsp;<a href="../../../../src-html/org/jfree/chart/servlet/ServletUtilities.html#line.104">setTempFilePrefix</a>(java.lang.String&nbsp;prefix)</pre>
<div class="block">Sets the prefix for the temporary file names generated by this class.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>prefix</code> - the prefix (<code>null</code> not permitted).</dd>
</dl>
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<pre>public static&nbsp;java.lang.String&nbsp;<a href="../../../../src-html/org/jfree/chart/servlet/ServletUtilities.html#line.115">getTempOneTimeFilePrefix</a>()</pre>
<div class="block">Returns the prefix for "one time" temporary file names generated by
 this class.</div>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>The prefix.</dd>
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<pre>public static&nbsp;void&nbsp;<a href="../../../../src-html/org/jfree/chart/servlet/ServletUtilities.html#line.125">setTempOneTimeFilePrefix</a>(java.lang.String&nbsp;prefix)</pre>
<div class="block">Sets the prefix for the "one time" temporary file names generated by
 this class.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>prefix</code> - the prefix (<code>null</code> not permitted).</dd>
</dl>
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<pre>public static&nbsp;java.lang.String&nbsp;<a href="../../../../src-html/org/jfree/chart/servlet/ServletUtilities.html#line.145">saveChartAsPNG</a>(<a href="../../../../org/jfree/chart/JFreeChart.html" title="class in org.jfree.chart">JFreeChart</a>&nbsp;chart,
                                              int&nbsp;width,
                                              int&nbsp;height,
                                              javax.servlet.http.HttpSession&nbsp;session)
                                       throws java.io.IOException</pre>
<div class="block">Saves the chart as a PNG format file in the temporary directory.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>chart</code> - the JFreeChart to be saved.</dd>
<dd><code>width</code> - the width of the chart.</dd>
<dd><code>height</code> - the height of the chart.</dd>
<dd><code>session</code> - the HttpSession of the client (if <code>null</code>, the
                 temporary file is marked as "one-time" and deleted by
                 the <a href="../../../../org/jfree/chart/servlet/DisplayChart.html" title="class in org.jfree.chart.servlet"><code>DisplayChart</code></a> servlet right after it is
                 streamed to the client).</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>The filename of the chart saved in the temporary directory.</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code>java.io.IOException</code> - if there is a problem saving the file.</dd>
</dl>
</li>
</ul>
<a name="saveChartAsPNG-org.jfree.chart.JFreeChart-int-int-org.jfree.chart.ChartRenderingInfo-javax.servlet.http.HttpSession-">
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<h4>saveChartAsPNG</h4>
<pre>public static&nbsp;java.lang.String&nbsp;<a href="../../../../src-html/org/jfree/chart/servlet/ServletUtilities.html#line.172">saveChartAsPNG</a>(<a href="../../../../org/jfree/chart/JFreeChart.html" title="class in org.jfree.chart">JFreeChart</a>&nbsp;chart,
                                              int&nbsp;width,
                                              int&nbsp;height,
                                              <a href="../../../../org/jfree/chart/ChartRenderingInfo.html" title="class in org.jfree.chart">ChartRenderingInfo</a>&nbsp;info,
                                              javax.servlet.http.HttpSession&nbsp;session)
                                       throws java.io.IOException</pre>
<div class="block">Saves the chart as a PNG format file in the temporary directory and
 populates the <a href="../../../../org/jfree/chart/ChartRenderingInfo.html" title="class in org.jfree.chart"><code>ChartRenderingInfo</code></a> object which can be used to
 generate an HTML image map.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>chart</code> - the chart to be saved (<code>null</code> not permitted).</dd>
<dd><code>width</code> - the width of the chart.</dd>
<dd><code>height</code> - the height of the chart.</dd>
<dd><code>info</code> - the ChartRenderingInfo object to be populated
              (<code>null</code> permitted).</dd>
<dd><code>session</code> - the HttpSession of the client (if <code>null</code>, the
                 temporary file is marked as "one-time" and deleted by
                 the <a href="../../../../org/jfree/chart/servlet/DisplayChart.html" title="class in org.jfree.chart.servlet"><code>DisplayChart</code></a> servlet right after it is
                 streamed to the client).</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>The filename of the chart saved in the temporary directory.</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code>java.io.IOException</code> - if there is a problem saving the file.</dd>
</dl>
</li>
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<pre>public static&nbsp;java.lang.String&nbsp;<a href="../../../../src-html/org/jfree/chart/servlet/ServletUtilities.html#line.211">saveChartAsJPEG</a>(<a href="../../../../org/jfree/chart/JFreeChart.html" title="class in org.jfree.chart">JFreeChart</a>&nbsp;chart,
                                               int&nbsp;width,
                                               int&nbsp;height,
                                               javax.servlet.http.HttpSession&nbsp;session)
                                        throws java.io.IOException</pre>
<div class="block">Saves the chart as a JPEG format file in the temporary directory.
 <p>
 SPECIAL NOTE: Please avoid using JPEG as an image format for charts,
 it is a "lossy" format that introduces visible distortions in the
 resulting image - use PNG instead.  In addition, note that JPEG output
 is supported by JFreeChart only for JRE 1.4.2 or later.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>chart</code> - the JFreeChart to be saved.</dd>
<dd><code>width</code> - the width of the chart.</dd>
<dd><code>height</code> - the height of the chart.</dd>
<dd><code>session</code> - the HttpSession of the client (if <code>null</code>, the
                 temporary file is marked as "one-time" and deleted by
                 the <a href="../../../../org/jfree/chart/servlet/DisplayChart.html" title="class in org.jfree.chart.servlet"><code>DisplayChart</code></a> servlet right after it is
                 streamed to the client).</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>The filename of the chart saved in the temporary directory.</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code>java.io.IOException</code> - if there is a problem saving the file.</dd>
</dl>
</li>
</ul>
<a name="saveChartAsJPEG-org.jfree.chart.JFreeChart-int-int-org.jfree.chart.ChartRenderingInfo-javax.servlet.http.HttpSession-">
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<h4>saveChartAsJPEG</h4>
<pre>public static&nbsp;java.lang.String&nbsp;<a href="../../../../src-html/org/jfree/chart/servlet/ServletUtilities.html#line.243">saveChartAsJPEG</a>(<a href="../../../../org/jfree/chart/JFreeChart.html" title="class in org.jfree.chart">JFreeChart</a>&nbsp;chart,
                                               int&nbsp;width,
                                               int&nbsp;height,
                                               <a href="../../../../org/jfree/chart/ChartRenderingInfo.html" title="class in org.jfree.chart">ChartRenderingInfo</a>&nbsp;info,
                                               javax.servlet.http.HttpSession&nbsp;session)
                                        throws java.io.IOException</pre>
<div class="block">Saves the chart as a JPEG format file in the temporary directory and
 populates the <code>ChartRenderingInfo</code> object which can be used
 to generate an HTML image map.
 <p>
 SPECIAL NOTE: Please avoid using JPEG as an image format for charts,
 it is a "lossy" format that introduces visible distortions in the
 resulting image - use PNG instead.  In addition, note that JPEG output
 is supported by JFreeChart only for JRE 1.4.2 or later.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>chart</code> - the chart to be saved (<code>null</code> not permitted).</dd>
<dd><code>width</code> - the width of the chart</dd>
<dd><code>height</code> - the height of the chart</dd>
<dd><code>info</code> - the ChartRenderingInfo object to be populated</dd>
<dd><code>session</code> - the HttpSession of the client (if <code>null</code>, the
                 temporary file is marked as "one-time" and deleted by
                 the <a href="../../../../org/jfree/chart/servlet/DisplayChart.html" title="class in org.jfree.chart.servlet"><code>DisplayChart</code></a> servlet right after it is
                 streamed to the client).</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>The filename of the chart saved in the temporary directory</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code>java.io.IOException</code> - if there is a problem saving the file.</dd>
</dl>
</li>
</ul>
<a name="createTempDir--">
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<h4>createTempDir</h4>
<pre>protected static&nbsp;void&nbsp;<a href="../../../../src-html/org/jfree/chart/servlet/ServletUtilities.html#line.272">createTempDir</a>()</pre>
<div class="block">Creates the temporary directory if it does not exist.  Throws a
 <code>RuntimeException</code> if the temporary directory is
 <code>null</code>.  Uses the system property <code>java.io.tmpdir</code>
 as the temporary directory.  This sounds like a strange thing to do but
 my temporary directory was not created on my default Tomcat 4.0.3
 installation.  Could save some questions on the forum if it is created
 when not present.</div>
</li>
</ul>
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<h4>registerChartForDeletion</h4>
<pre>protected static&nbsp;void&nbsp;<a href="../../../../src-html/org/jfree/chart/servlet/ServletUtilities.html#line.294">registerChartForDeletion</a>(java.io.File&nbsp;tempFile,
                                               javax.servlet.http.HttpSession&nbsp;session)</pre>
<div class="block">Adds a <a href="../../../../org/jfree/chart/servlet/ChartDeleter.html" title="class in org.jfree.chart.servlet"><code>ChartDeleter</code></a> object to the session object with the name
 <code>JFreeChart_Deleter</code> if there is not already one bound to the
 session and adds the filename to the list of charts to be deleted.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>tempFile</code> - the file to be deleted.</dd>
<dd><code>session</code> - the HTTP session of the client.</dd>
</dl>
</li>
</ul>
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<h4>sendTempFile</h4>
<pre>public static&nbsp;void&nbsp;<a href="../../../../src-html/org/jfree/chart/servlet/ServletUtilities.html#line.321">sendTempFile</a>(java.lang.String&nbsp;filename,
                                javax.servlet.http.HttpServletResponse&nbsp;response)
                         throws java.io.IOException</pre>
<div class="block">Binary streams the specified file in the temporary directory to the
 HTTP response in 1KB chunks.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>filename</code> - the name of the file in the temporary directory.</dd>
<dd><code>response</code> - the HTTP response object.</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code>java.io.IOException</code> - if there is an I/O problem.</dd>
</dl>
</li>
</ul>
<a name="sendTempFile-java.io.File-javax.servlet.http.HttpServletResponse-">
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<h4>sendTempFile</h4>
<pre>public static&nbsp;void&nbsp;<a href="../../../../src-html/org/jfree/chart/servlet/ServletUtilities.html#line.336">sendTempFile</a>(java.io.File&nbsp;file,
                                javax.servlet.http.HttpServletResponse&nbsp;response)
                         throws java.io.IOException</pre>
<div class="block">Binary streams the specified file to the HTTP response in 1KB chunks.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>file</code> - the file to be streamed.</dd>
<dd><code>response</code> - the HTTP response object.</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code>java.io.IOException</code> - if there is an I/O problem.</dd>
</dl>
</li>
</ul>
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<h4>sendTempFile</h4>
<pre>public static&nbsp;void&nbsp;<a href="../../../../src-html/org/jfree/chart/servlet/ServletUtilities.html#line.363">sendTempFile</a>(java.io.File&nbsp;file,
                                javax.servlet.http.HttpServletResponse&nbsp;response,
                                java.lang.String&nbsp;mimeType)
                         throws java.io.IOException</pre>
<div class="block">Binary streams the specified file to the HTTP response in 1KB chunks.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>file</code> - the file to be streamed.</dd>
<dd><code>response</code> - the HTTP response object.</dd>
<dd><code>mimeType</code> - the mime type of the file, null allowed.</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code>java.io.IOException</code> - if there is an I/O problem.</dd>
</dl>
</li>
</ul>
<a name="searchReplace-java.lang.String-java.lang.String-java.lang.String-">
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<h4>searchReplace</h4>
<pre>public static&nbsp;java.lang.String&nbsp;<a href="../../../../src-html/org/jfree/chart/servlet/ServletUtilities.html#line.413">searchReplace</a>(java.lang.String&nbsp;inputString,
                                             java.lang.String&nbsp;searchString,
                                             java.lang.String&nbsp;replaceString)</pre>
<div class="block">Perform a search/replace operation on a String
 There are String methods to do this since (JDK 1.4)</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>inputString</code> - the String to have the search/replace operation.</dd>
<dd><code>searchString</code> - the search String.</dd>
<dd><code>replaceString</code> - the replace String.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>The String with the replacements made.</dd>
</dl>
</li>
</ul>
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