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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="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> |
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| <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="../../../jakarta/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="../../../jakarta/servlet/http/HttpUtils.html#getRequestURL-jakarta.servlet.http.HttpServletRequest-">getRequestURL</a></span>(<a href="../../../jakarta/servlet/http/HttpServletRequest.html" title="interface in jakarta.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="../../../jakarta/servlet/http/HttpUtils.html#parsePostData-int-jakarta.servlet.ServletInputStream-">parsePostData</a></span>(int len, |
| <a href="../../../jakarta/servlet/ServletInputStream.html" title="class in jakarta.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="../../../jakarta/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-jakarta.servlet.ServletInputStream-"> |
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| <h4>parsePostData</h4> |
| <pre>public static java.util.Hashtable<java.lang.String,java.lang.String[]> parsePostData(int len, |
| <a href="../../../jakarta/servlet/ServletInputStream.html" title="class in jakarta.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> |
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| <h4>getRequestURL</h4> |
| <pre>public static java.lang.StringBuffer getRequestURL(<a href="../../../jakarta/servlet/http/HttpServletRequest.html" title="interface in jakarta.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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