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| <p class="subTitle">com.google.enterprise.adaptor</p> |
| <h2 title="Class HttpExchanges" class="title">Class HttpExchanges</h2> |
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| <li>com.google.enterprise.adaptor.HttpExchanges</li> |
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| <pre>public final class <strong>HttpExchanges</strong> |
| extends <a href="http://download.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></pre> |
| <div class="block">Utility class for working with <a href="http://download.oracle.com/javase/6/docs/jre/api/net/httpserver/spec/com/sun/net/httpserver/HttpExchange.html?is-external=true" title="class or interface in com.sun.net.httpserver"><code>HttpExchange</code></a>s.</div> |
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| <h3>Method Summary</h3> |
| <table class="overviewSummary" border="0" cellpadding="3" cellspacing="0" summary="Method Summary table, listing methods, and an explanation"> |
| <caption><span>Methods</span><span class="tabEnd"> </span></caption> |
| <tr> |
| <th class="colFirst" scope="col">Modifier and Type</th> |
| <th class="colLast" scope="col">Method and Description</th> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>static void</code></td> |
| <td class="colLast"><code><strong><a href="../../../../com/google/enterprise/adaptor/HttpExchanges.html#enableCompressionIfSupported(com.sun.net.httpserver.HttpExchange)">enableCompressionIfSupported</a></strong>(<a href="http://download.oracle.com/javase/6/docs/jre/api/net/httpserver/spec/com/sun/net/httpserver/HttpExchange.html?is-external=true" title="class or interface in com.sun.net.httpserver">HttpExchange</a> ex)</code> |
| <div class="block">If the client supports it, set the correct headers and streams to provide |
| GZIPed response data to the client.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>static <a href="http://download.oracle.com/javase/6/docs/api/java/util/Date.html?is-external=true" title="class or interface in java.util">Date</a></code></td> |
| <td class="colLast"><code><strong><a href="../../../../com/google/enterprise/adaptor/HttpExchanges.html#getIfModifiedSince(com.sun.net.httpserver.HttpExchange)">getIfModifiedSince</a></strong>(<a href="http://download.oracle.com/javase/6/docs/jre/api/net/httpserver/spec/com/sun/net/httpserver/HttpExchange.html?is-external=true" title="class or interface in com.sun.net.httpserver">HttpExchange</a> ex)</code> |
| <div class="block">Retrieves and parses the If-Modified-Since from the request, returning null |
| if there was no such header or there was an error.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>static <a href="http://download.oracle.com/javase/6/docs/api/java/net/URI.html?is-external=true" title="class or interface in java.net">URI</a></code></td> |
| <td class="colLast"><code><strong><a href="../../../../com/google/enterprise/adaptor/HttpExchanges.html#getRequestUri(com.sun.net.httpserver.HttpExchange)">getRequestUri</a></strong>(<a href="http://download.oracle.com/javase/6/docs/jre/api/net/httpserver/spec/com/sun/net/httpserver/HttpExchange.html?is-external=true" title="class or interface in com.sun.net.httpserver">HttpExchange</a> ex)</code> |
| <div class="block">Best-effort attempt to reform the identical URI the client used to |
| contact the server.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>static boolean</code></td> |
| <td class="colLast"><code><strong><a href="../../../../com/google/enterprise/adaptor/HttpExchanges.html#headersSent(com.sun.net.httpserver.HttpExchange)">headersSent</a></strong>(<a href="http://download.oracle.com/javase/6/docs/jre/api/net/httpserver/spec/com/sun/net/httpserver/HttpExchange.html?is-external=true" title="class or interface in com.sun.net.httpserver">HttpExchange</a> ex)</code> |
| <div class="block">Determines if the headers have already been sent for the exchange.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>static <a href="http://download.oracle.com/javase/6/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a><<a href="http://download.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>,<a href="http://download.oracle.com/javase/6/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><<a href="http://download.oracle.com/javase/6/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="../../../../com/google/enterprise/adaptor/HttpExchanges.html#parseQueryParameters(com.sun.net.httpserver.HttpExchange, java.nio.charset.Charset)">parseQueryParameters</a></strong>(<a href="http://download.oracle.com/javase/6/docs/jre/api/net/httpserver/spec/com/sun/net/httpserver/HttpExchange.html?is-external=true" title="class or interface in com.sun.net.httpserver">HttpExchange</a> ex, |
| <a href="http://download.oracle.com/javase/6/docs/api/java/nio/charset/Charset.html?is-external=true" title="class or interface in java.nio.charset">Charset</a> charset)</code> |
| <div class="block">Parse request GET query parameters of <code>ex</code> into its parts, correctly |
| taking into account <code>charset</code>.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>static void</code></td> |
| <td class="colLast"><code><strong><a href="../../../../com/google/enterprise/adaptor/HttpExchanges.html#sendRedirect(com.sun.net.httpserver.HttpExchange, java.net.URI)">sendRedirect</a></strong>(<a href="http://download.oracle.com/javase/6/docs/jre/api/net/httpserver/spec/com/sun/net/httpserver/HttpExchange.html?is-external=true" title="class or interface in com.sun.net.httpserver">HttpExchange</a> ex, |
| <a href="http://download.oracle.com/javase/6/docs/api/java/net/URI.html?is-external=true" title="class or interface in java.net">URI</a> location)</code> |
| <div class="block">Redirect client to <code>location</code>.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>static void</code></td> |
| <td class="colLast"><code><strong><a href="../../../../com/google/enterprise/adaptor/HttpExchanges.html#setLastModified(com.sun.net.httpserver.HttpExchange, java.util.Date)">setLastModified</a></strong>(<a href="http://download.oracle.com/javase/6/docs/jre/api/net/httpserver/spec/com/sun/net/httpserver/HttpExchange.html?is-external=true" title="class or interface in com.sun.net.httpserver">HttpExchange</a> ex, |
| <a href="http://download.oracle.com/javase/6/docs/api/java/util/Date.html?is-external=true" title="class or interface in java.util">Date</a> lastModified)</code> </td> |
| </tr> |
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| <h3>Methods inherited from class java.lang.<a href="http://download.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></h3> |
| <code><a href="http://download.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#clone()" title="class or interface in java.lang">clone</a>, <a href="http://download.oracle.com/javase/6/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://download.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#finalize()" title="class or interface in java.lang">finalize</a>, <a href="http://download.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#getClass()" title="class or interface in java.lang">getClass</a>, <a href="http://download.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#hashCode()" title="class or interface in java.lang">hashCode</a>, <a href="http://download.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#notify()" title="class or interface in java.lang">notify</a>, <a href="http://download.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#notifyAll()" title="class or interface in java.lang">notifyAll</a>, <a href="http://download.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#toString()" title="class or interface in java.lang">toString</a>, <a href="http://download.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#wait()" title="class or interface in java.lang">wait</a>, <a href="http://download.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#wait(long)" title="class or interface in java.lang">wait</a>, <a href="http://download.oracle.com/javase/6/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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| <h3>Method Detail</h3> |
| <a name="getRequestUri(com.sun.net.httpserver.HttpExchange)"> |
| <!-- --> |
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| <ul class="blockList"> |
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| <h4>getRequestUri</h4> |
| <pre>public static <a href="http://download.oracle.com/javase/6/docs/api/java/net/URI.html?is-external=true" title="class or interface in java.net">URI</a> getRequestUri(<a href="http://download.oracle.com/javase/6/docs/jre/api/net/httpserver/spec/com/sun/net/httpserver/HttpExchange.html?is-external=true" title="class or interface in com.sun.net.httpserver">HttpExchange</a> ex)</pre> |
| <div class="block">Best-effort attempt to reform the identical URI the client used to |
| contact the server.</div> |
| </li> |
| </ul> |
| <a name="sendRedirect(com.sun.net.httpserver.HttpExchange, java.net.URI)"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
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| <h4>sendRedirect</h4> |
| <pre>public static void sendRedirect(<a href="http://download.oracle.com/javase/6/docs/jre/api/net/httpserver/spec/com/sun/net/httpserver/HttpExchange.html?is-external=true" title="class or interface in com.sun.net.httpserver">HttpExchange</a> ex, |
| <a href="http://download.oracle.com/javase/6/docs/api/java/net/URI.html?is-external=true" title="class or interface in java.net">URI</a> location) |
| throws <a href="http://download.oracle.com/javase/6/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre> |
| <div class="block">Redirect client to <code>location</code>. The client should retrieve the |
| referred location via GET, independent of the method of this request.</div> |
| <dl><dt><span class="strong">Throws:</span></dt> |
| <dd><code><a href="http://download.oracle.com/javase/6/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd></dl> |
| </li> |
| </ul> |
| <a name="enableCompressionIfSupported(com.sun.net.httpserver.HttpExchange)"> |
| <!-- --> |
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| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>enableCompressionIfSupported</h4> |
| <pre>public static void enableCompressionIfSupported(<a href="http://download.oracle.com/javase/6/docs/jre/api/net/httpserver/spec/com/sun/net/httpserver/HttpExchange.html?is-external=true" title="class or interface in com.sun.net.httpserver">HttpExchange</a> ex) |
| throws <a href="http://download.oracle.com/javase/6/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre> |
| <div class="block">If the client supports it, set the correct headers and streams to provide |
| GZIPed response data to the client. Because the content may become |
| compressed, users of this method should generally use a <code>responseLength</code> of <code>0</code> when calling <a href="http://download.oracle.com/javase/6/docs/jre/api/net/httpserver/spec/com/sun/net/httpserver/HttpExchange.html?is-external=true#sendResponseHeaders(int, long)" title="class or interface in com.sun.net.httpserver"><code>HttpExchange.sendResponseHeaders(int, long)</code></a>. The exception is when responding to a |
| HEAD request, in which <code>-1</code> is required.</div> |
| <dl><dt><span class="strong">Throws:</span></dt> |
| <dd><code><a href="http://download.oracle.com/javase/6/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd></dl> |
| </li> |
| </ul> |
| <a name="getIfModifiedSince(com.sun.net.httpserver.HttpExchange)"> |
| <!-- --> |
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| <ul class="blockList"> |
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| <h4>getIfModifiedSince</h4> |
| <pre>public static <a href="http://download.oracle.com/javase/6/docs/api/java/util/Date.html?is-external=true" title="class or interface in java.util">Date</a> getIfModifiedSince(<a href="http://download.oracle.com/javase/6/docs/jre/api/net/httpserver/spec/com/sun/net/httpserver/HttpExchange.html?is-external=true" title="class or interface in com.sun.net.httpserver">HttpExchange</a> ex)</pre> |
| <div class="block">Retrieves and parses the If-Modified-Since from the request, returning null |
| if there was no such header or there was an error.</div> |
| </li> |
| </ul> |
| <a name="headersSent(com.sun.net.httpserver.HttpExchange)"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>headersSent</h4> |
| <pre>public static boolean headersSent(<a href="http://download.oracle.com/javase/6/docs/jre/api/net/httpserver/spec/com/sun/net/httpserver/HttpExchange.html?is-external=true" title="class or interface in com.sun.net.httpserver">HttpExchange</a> ex)</pre> |
| <div class="block">Determines if the headers have already been sent for the exchange. |
| |
| <p>This implementation currently uses an imperfect heuristic, but should |
| work well in most cases. It checks to see if the Date header is present, |
| which is added during <a href="http://download.oracle.com/javase/6/docs/jre/api/net/httpserver/spec/com/sun/net/httpserver/HttpExchange.html?is-external=true#sendResponseHeaders(int, long)" title="class or interface in com.sun.net.httpserver"><code>HttpExchange.sendResponseHeaders(int, long)</code></a>.</div> |
| </li> |
| </ul> |
| <a name="setLastModified(com.sun.net.httpserver.HttpExchange, java.util.Date)"> |
| <!-- --> |
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| <h4>setLastModified</h4> |
| <pre>public static void setLastModified(<a href="http://download.oracle.com/javase/6/docs/jre/api/net/httpserver/spec/com/sun/net/httpserver/HttpExchange.html?is-external=true" title="class or interface in com.sun.net.httpserver">HttpExchange</a> ex, |
| <a href="http://download.oracle.com/javase/6/docs/api/java/util/Date.html?is-external=true" title="class or interface in java.util">Date</a> lastModified)</pre> |
| </li> |
| </ul> |
| <a name="parseQueryParameters(com.sun.net.httpserver.HttpExchange, java.nio.charset.Charset)"> |
| <!-- --> |
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| <h4>parseQueryParameters</h4> |
| <pre>public static <a href="http://download.oracle.com/javase/6/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a><<a href="http://download.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>,<a href="http://download.oracle.com/javase/6/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><<a href="http://download.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>>> parseQueryParameters(<a href="http://download.oracle.com/javase/6/docs/jre/api/net/httpserver/spec/com/sun/net/httpserver/HttpExchange.html?is-external=true" title="class or interface in com.sun.net.httpserver">HttpExchange</a> ex, |
| <a href="http://download.oracle.com/javase/6/docs/api/java/nio/charset/Charset.html?is-external=true" title="class or interface in java.nio.charset">Charset</a> charset)</pre> |
| <div class="block">Parse request GET query parameters of <code>ex</code> into its parts, correctly |
| taking into account <code>charset</code>. The encoding of the GET parameters is |
| not specified in the request parameters, so it must be negotiated elsewhere |
| (i.e., via hard-coding). ISO 8859-1 (Latin-1) and UTF-8 are the only |
| commonly used encodings for query parameters.</div> |
| <dl><dt><span class="strong">Parameters:</span></dt><dd><code>ex</code> - exchange whose request query string is to be parsed</dd><dd><code>charset</code> - character set used during encoding</dd> |
| <dt><span class="strong">Returns:</span></dt><dd>fully-decoded parameter values</dd></dl> |
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