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pj2/doc/edu/rit/http/HttpRequest.html
2016-04-27 01:07:35 -04:00

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<div class="subTitle">edu.rit.http</div>
<h2 title="Class HttpRequest" class="title">Class HttpRequest</h2>
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<ul class="inheritance">
<li><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">java.lang.Object</a></li>
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<li>edu.rit.http.HttpRequest</li>
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<pre>public class <span class="strong">HttpRequest</span>
extends <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></pre>
<div class="block">Class HttpRequest encapsulates an HTTP request received from a web browser.
<P>
HTTP/1.0 and HTTP/1.1 requests are supported. The obsolete HTTP/0.9 requests
are <I>not</I> supported.
<P>
This class provides methods for examining the request line and the headers.
This class does <I>not</I> support reading the entity body if any.
<P>
To receive an HTTP request message:
<OL TYPE=1>
<P><LI>
Call the <a href="../../../edu/rit/http/HttpRequest.html#isValid()"><code>isValid()</code></a> method.
<P><LI>
If <a href="../../../edu/rit/http/HttpRequest.html#isValid()"><code>isValid()</code></a> returns false, send an HTTP response message
indicating the error.
<P><LI>
If <a href="../../../edu/rit/http/HttpRequest.html#isValid()"><code>isValid()</code></a> returns true, call the other methods to
examine the contents of the HTTP request message, and send an appropriate
HTTP response message.
</OL></div>
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<h3>Field Summary</h3>
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<caption><span>Fields</span><span class="tabEnd">&nbsp;</span></caption>
<tr>
<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Field and Description</th>
</tr>
<tr class="altColor">
<td class="colFirst"><code>static <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></code></td>
<td class="colLast"><code><strong><a href="../../../edu/rit/http/HttpRequest.html#GET_METHOD">GET_METHOD</a></strong></code>
<div class="block">The GET method string, <TT>"GET"</TT>.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>static <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></code></td>
<td class="colLast"><code><strong><a href="../../../edu/rit/http/HttpRequest.html#HEAD_METHOD">HEAD_METHOD</a></strong></code>
<div class="block">The HEAD method string, <TT>"HEAD"</TT>.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>static <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></code></td>
<td class="colLast"><code><strong><a href="../../../edu/rit/http/HttpRequest.html#HTTP_1_0_VERSION">HTTP_1_0_VERSION</a></strong></code>
<div class="block">The HTTP/1.0 version string <TT>"HTTP/1.0"</TT>.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>static <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></code></td>
<td class="colLast"><code><strong><a href="../../../edu/rit/http/HttpRequest.html#HTTP_1_1_VERSION">HTTP_1_1_VERSION</a></strong></code>
<div class="block">The HTTP/1.1 version string, <TT>"HTTP/1.1"</TT>.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>static <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></code></td>
<td class="colLast"><code><strong><a href="../../../edu/rit/http/HttpRequest.html#POST_METHOD">POST_METHOD</a></strong></code>
<div class="block">The POST method string, <TT>"POST"</TT>.</div>
</td>
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<h3>Constructor Summary</h3>
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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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<td class="colOne"><code><strong><a href="../../../edu/rit/http/HttpRequest.html#HttpRequest(java.net.Socket)">HttpRequest</a></strong>(<a href="http://docs.oracle.com/javase/7/docs/api/java/net/Socket.html?is-external=true" title="class or interface in java.net">Socket</a>&nbsp;theSocket)</code>
<div class="block">Construct a new HTTP request.</div>
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<h3>Method Summary</h3>
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<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Method and Description</th>
</tr>
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<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><strong><a href="../../../edu/rit/http/HttpRequest.html#forEachHeaderDo(edu.rit.util.Action)">forEachHeaderDo</a></strong>(<a href="../../../edu/rit/util/Action.html" title="interface in edu.rit.util">Action</a>&lt;<a href="../../../edu/rit/util/Pair.html" title="class in edu.rit.util">Pair</a>&lt;<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>,<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>&gt;&gt;&nbsp;action)</code>
<div class="block">Perform the given action on each header in this HTTP request.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code><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></code></td>
<td class="colLast"><code><strong><a href="../../../edu/rit/http/HttpRequest.html#getHeader(java.lang.String)">getHeader</a></strong>(<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;theHeaderName)</code>
<div class="block">Obtain the value of the given header in this HTTP request.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code><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></code></td>
<td class="colLast"><code><strong><a href="../../../edu/rit/http/HttpRequest.html#getHttpVersion()">getHttpVersion</a></strong>()</code>
<div class="block">Obtain this HTTP request's version.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code><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></code></td>
<td class="colLast"><code><strong><a href="../../../edu/rit/http/HttpRequest.html#getMethod()">getMethod</a></strong>()</code>
<div class="block">Obtain this HTTP request's method.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code><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></code></td>
<td class="colLast"><code><strong><a href="../../../edu/rit/http/HttpRequest.html#getUri()">getUri</a></strong>()</code>
<div class="block">Obtain this HTTP request's URI.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><strong><a href="../../../edu/rit/http/HttpRequest.html#isValid()">isValid</a></strong>()</code>
<div class="block">Determine if this HTTP request is valid.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code><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></code></td>
<td class="colLast"><code><strong><a href="../../../edu/rit/http/HttpRequest.html#toString()">toString</a></strong>()</code>
<div class="block">Returns a string version of this HTTP request.</div>
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<h3>Methods inherited from class&nbsp;java.lang.<a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></h3>
<code><a href="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#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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<pre>public static final&nbsp;<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> GET_METHOD</pre>
<div class="block">The GET method string, <TT>"GET"</TT>.</div>
<dl><dt><span class="strong">See Also:</span></dt><dd><a href="../../../constant-values.html#edu.rit.http.HttpRequest.GET_METHOD">Constant Field Values</a></dd></dl>
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<pre>public static final&nbsp;<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> HEAD_METHOD</pre>
<div class="block">The HEAD method string, <TT>"HEAD"</TT>.</div>
<dl><dt><span class="strong">See Also:</span></dt><dd><a href="../../../constant-values.html#edu.rit.http.HttpRequest.HEAD_METHOD">Constant Field Values</a></dd></dl>
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<pre>public static final&nbsp;<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> POST_METHOD</pre>
<div class="block">The POST method string, <TT>"POST"</TT>.</div>
<dl><dt><span class="strong">See Also:</span></dt><dd><a href="../../../constant-values.html#edu.rit.http.HttpRequest.POST_METHOD">Constant Field Values</a></dd></dl>
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<h4>HTTP_1_0_VERSION</h4>
<pre>public static final&nbsp;<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> HTTP_1_0_VERSION</pre>
<div class="block">The HTTP/1.0 version string <TT>"HTTP/1.0"</TT>.</div>
<dl><dt><span class="strong">See Also:</span></dt><dd><a href="../../../constant-values.html#edu.rit.http.HttpRequest.HTTP_1_0_VERSION">Constant Field Values</a></dd></dl>
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<pre>public static final&nbsp;<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> HTTP_1_1_VERSION</pre>
<div class="block">The HTTP/1.1 version string, <TT>"HTTP/1.1"</TT>.</div>
<dl><dt><span class="strong">See Also:</span></dt><dd><a href="../../../constant-values.html#edu.rit.http.HttpRequest.HTTP_1_1_VERSION">Constant Field Values</a></dd></dl>
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<h4>HttpRequest</h4>
<pre>public&nbsp;HttpRequest(<a href="http://docs.oracle.com/javase/7/docs/api/java/net/Socket.html?is-external=true" title="class or interface in java.net">Socket</a>&nbsp;theSocket)
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">Construct a new HTTP request. The request is read from the input stream
of the given socket.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>theSocket</code> - Socket.</dd>
<dt><span class="strong">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> - (unchecked exception) Thrown if <TT>theSocket</TT> 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> - Thrown if an I/O error occurred while reading the socket input
stream.</dd></dl>
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<pre>public&nbsp;boolean&nbsp;isValid()</pre>
<div class="block">Determine if this HTTP request is valid. If the data read from the input
stream of the socket given to the constructor represents a valid HTTP
request message, true is returned, otherwise false is returned.</div>
<dl><dt><span class="strong">Returns:</span></dt><dd>True if this HTTP request is valid, false otherwise.</dd></dl>
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<h4>getMethod</h4>
<pre>public&nbsp;<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;getMethod()</pre>
<div class="block">Obtain this HTTP request's method.</div>
<dl><dt><span class="strong">Returns:</span></dt><dd>Method string, e.g. <TT>"GET"</TT>, <TT>"POST"</TT>.</dd>
<dt><span class="strong">Throws:</span></dt>
<dd><code><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/IllegalStateException.html?is-external=true" title="class or interface in java.lang">IllegalStateException</a></code> - (unchecked exception) Thrown if this HTTP request is invalid.</dd></dl>
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<h4>getUri</h4>
<pre>public&nbsp;<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;getUri()</pre>
<div class="block">Obtain this HTTP request's URI.</div>
<dl><dt><span class="strong">Returns:</span></dt><dd>URI string.</dd>
<dt><span class="strong">Throws:</span></dt>
<dd><code><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/IllegalStateException.html?is-external=true" title="class or interface in java.lang">IllegalStateException</a></code> - (unchecked exception) Thrown if this HTTP request is invalid.</dd></dl>
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<h4>getHttpVersion</h4>
<pre>public&nbsp;<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;getHttpVersion()</pre>
<div class="block">Obtain this HTTP request's version.</div>
<dl><dt><span class="strong">Returns:</span></dt><dd>HTTP version string, e.g. <TT>"HTTP/1.0"</TT>,
<TT>"HTTP/1.1"</TT>.</dd>
<dt><span class="strong">Throws:</span></dt>
<dd><code><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/IllegalStateException.html?is-external=true" title="class or interface in java.lang">IllegalStateException</a></code> - (unchecked exception) Thrown if this HTTP request is invalid.</dd></dl>
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<h4>getHeader</h4>
<pre>public&nbsp;<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;getHeader(<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;theHeaderName)</pre>
<div class="block">Obtain the value of the given header in this HTTP request.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>theHeaderName</code> - Header name.</dd>
<dt><span class="strong">Returns:</span></dt><dd>Header value, or null if there is no header for
<TT>theHeaderName</TT>.</dd>
<dt><span class="strong">Throws:</span></dt>
<dd><code><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/IllegalStateException.html?is-external=true" title="class or interface in java.lang">IllegalStateException</a></code> - (unchecked exception) Thrown if this HTTP request is invalid.</dd></dl>
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<h4>forEachHeaderDo</h4>
<pre>public&nbsp;void&nbsp;forEachHeaderDo(<a href="../../../edu/rit/util/Action.html" title="interface in edu.rit.util">Action</a>&lt;<a href="../../../edu/rit/util/Pair.html" title="class in edu.rit.util">Pair</a>&lt;<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>,<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>&gt;&gt;&nbsp;action)</pre>
<div class="block">Perform the given action on each header in this HTTP request. For each
header in an unspecified order, the given <TT>action</TT>'s
<TT>run()</TT> method is called, passing in a pair containing key =
header name and value = header value.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>action</code> - Action.</dd></dl>
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<h4>toString</h4>
<pre>public&nbsp;<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;toString()</pre>
<div class="block">Returns a string version of this HTTP request. The string consists of the
HTTP method, the URI, and the HTTP version.</div>
<dl>
<dt><strong>Overrides:</strong></dt>
<dd><code><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></code>&nbsp;in class&nbsp;<code><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></code></dd>
<dt><span class="strong">Returns:</span></dt><dd>String version.</dd></dl>
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