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| <h2 title="Class HttpUtils" class="title">Class HttpUtils</h2> |
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| <li>java.lang.Object</li> |
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| <div class="description"> |
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| <div class="block"><span class="deprecatedLabel">Deprecated.</span> |
| <div class="block"><span class="deprecationComment">As of Java(tm) Servlet API 2.3. |
| These methods were only useful |
| with the default encoding and have been moved |
| to the request interfaces.</span></div> |
| </div> |
| <br> |
| <pre>@Deprecated |
| public class <span class="typeNameLabel">HttpUtils</span> |
| extends java.lang.Object</pre> |
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| <td class="colOne"><code><span class="memberNameLink"><a href="../../../javax/servlet/http/HttpUtils.html#HttpUtils--">HttpUtils</a></span>()</code> |
| <div class="block"><span class="deprecatedLabel">Deprecated.</span> </div> |
| <div class="block">Constructs an empty <code>HttpUtils</code> object.</div> |
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| <td class="colFirst"><code>static java.lang.StringBuffer</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../javax/servlet/http/HttpUtils.html#getRequestURL-javax.servlet.http.HttpServletRequest-">getRequestURL</a></span>(<a href="../../../javax/servlet/http/HttpServletRequest.html" title="interface in javax.servlet.http">HttpServletRequest</a> req)</code> |
| <div class="block"><span class="deprecatedLabel">Deprecated.</span> </div> |
| <div class="block">Reconstructs the URL the client used to make the request, |
| using information in the <code>HttpServletRequest</code> object.</div> |
| </td> |
| </tr> |
| <tr id="i1" class="rowColor"> |
| <td class="colFirst"><code>static java.util.Hashtable<java.lang.String,java.lang.String[]></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../javax/servlet/http/HttpUtils.html#parsePostData-int-javax.servlet.ServletInputStream-">parsePostData</a></span>(int len, |
| <a href="../../../javax/servlet/ServletInputStream.html" title="class in javax.servlet">ServletInputStream</a> in)</code> |
| <div class="block"><span class="deprecatedLabel">Deprecated.</span> </div> |
| <div class="block">Parses data from an HTML form that the client sends to |
| the server using the HTTP POST method and the |
| <i>application/x-www-form-urlencoded</i> MIME type.</div> |
| </td> |
| </tr> |
| <tr id="i2" class="altColor"> |
| <td class="colFirst"><code>static java.util.Hashtable<java.lang.String,java.lang.String[]></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../javax/servlet/http/HttpUtils.html#parseQueryString-java.lang.String-">parseQueryString</a></span>(java.lang.String s)</code> |
| <div class="block"><span class="deprecatedLabel">Deprecated.</span> </div> |
| <div class="block">Parses a query string passed from the client to the |
| server and builds a <code>HashTable</code> object |
| with key-value pairs.</div> |
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| <h3>Methods inherited from class java.lang.Object</h3> |
| <code>clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait</code></li> |
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| <h4>HttpUtils</h4> |
| <pre>public HttpUtils()</pre> |
| <div class="block"><span class="deprecatedLabel">Deprecated.</span> </div> |
| <div class="block">Constructs an empty <code>HttpUtils</code> object.</div> |
| </li> |
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| <h4>parseQueryString</h4> |
| <pre>public static java.util.Hashtable<java.lang.String,java.lang.String[]> parseQueryString(java.lang.String s)</pre> |
| <div class="block"><span class="deprecatedLabel">Deprecated.</span> </div> |
| <div class="block">Parses a query string passed from the client to the |
| server and builds a <code>HashTable</code> object |
| with key-value pairs. |
| The query string should be in the form of a string |
| packaged by the GET or POST method, that is, it |
| should have key-value pairs in the form <i>key=value</i>, |
| with each pair separated from the next by a & character. |
| |
| <p>A key can appear more than once in the query string |
| with different values. However, the key appears only once in |
| the hashtable, with its value being |
| an array of strings containing the multiple values sent |
| by the query string. |
| |
| <p>The keys and values in the hashtable are stored in their |
| decoded form, so |
| any + characters are converted to spaces, and characters |
| sent in hexadecimal notation (like <i>%xx</i>) are |
| converted to ASCII characters.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>s</code> - a string containing the query to be parsed</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>a <code>HashTable</code> object built |
| from the parsed key-value pairs</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code>java.lang.IllegalArgumentException</code> - if the query string is invalid</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="parsePostData-int-javax.servlet.ServletInputStream-"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>parsePostData</h4> |
| <pre>public static java.util.Hashtable<java.lang.String,java.lang.String[]> parsePostData(int len, |
| <a href="../../../javax/servlet/ServletInputStream.html" title="class in javax.servlet">ServletInputStream</a> in)</pre> |
| <div class="block"><span class="deprecatedLabel">Deprecated.</span> </div> |
| <div class="block">Parses data from an HTML form that the client sends to |
| the server using the HTTP POST method and the |
| <i>application/x-www-form-urlencoded</i> MIME type. |
| |
| <p>The data sent by the POST method contains key-value |
| pairs. A key can appear more than once in the POST data |
| with different values. However, the key appears only once in |
| the hashtable, with its value being |
| an array of strings containing the multiple values sent |
| by the POST method. |
| |
| <p>The keys and values in the hashtable are stored in their |
| decoded form, so |
| any + characters are converted to spaces, and characters |
| sent in hexadecimal notation (like <i>%xx</i>) are |
| converted to ASCII characters.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>len</code> - an integer specifying the length, |
| in characters, of the |
| <code>ServletInputStream</code> |
| object that is also passed to this |
| method</dd> |
| <dd><code>in</code> - the <code>ServletInputStream</code> |
| object that contains the data sent |
| from the client</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>a <code>HashTable</code> object built |
| from the parsed key-value pairs</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code>java.lang.IllegalArgumentException</code> - if the data |
| sent by the POST method is invalid</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="getRequestURL-javax.servlet.http.HttpServletRequest-"> |
| <!-- --> |
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| <h4>getRequestURL</h4> |
| <pre>public static java.lang.StringBuffer getRequestURL(<a href="../../../javax/servlet/http/HttpServletRequest.html" title="interface in javax.servlet.http">HttpServletRequest</a> req)</pre> |
| <div class="block"><span class="deprecatedLabel">Deprecated.</span> </div> |
| <div class="block">Reconstructs the URL the client used to make the request, |
| using information in the <code>HttpServletRequest</code> object. |
| The returned URL contains a protocol, server name, port |
| number, and server path, but it does not include query |
| string parameters. |
| |
| <p>Because this method returns a <code>StringBuffer</code>, |
| not a string, you can modify the URL easily, for example, |
| to append query parameters. |
| |
| <p>This method is useful for creating redirect messages |
| and for reporting errors.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>req</code> - a <code>HttpServletRequest</code> object |
| containing the client's request</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>a <code>StringBuffer</code> object containing |
| the reconstructed URL</dd> |
| </dl> |
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