src/site/assets/static/1.4.2/apidocs/org/apache/shiro/web/filter/authc/BasicHttpAuthenticationFilter.html - shiro-site - Git at Google

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 <div class="subTitle">org.apache.shiro.web.filter.authc</div>
 <h2 title="Class BasicHttpAuthenticationFilter" class="title">Class BasicHttpAuthenticationFilter</h2>
 </div>
 <div class="contentContainer">
 <ul class="inheritance">
 <li><a href="http://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">java.lang.Object</a></li>
 <li>
 <ul class="inheritance">
 <li><a href="../../../../../../org/apache/shiro/web/servlet/ServletContextSupport.html" title="class in org.apache.shiro.web.servlet">org.apache.shiro.web.servlet.ServletContextSupport</a></li>
 <li>
 <ul class="inheritance">
 <li><a href="../../../../../../org/apache/shiro/web/servlet/AbstractFilter.html" title="class in org.apache.shiro.web.servlet">org.apache.shiro.web.servlet.AbstractFilter</a></li>
 <li>
 <ul class="inheritance">
 <li><a href="../../../../../../org/apache/shiro/web/servlet/NameableFilter.html" title="class in org.apache.shiro.web.servlet">org.apache.shiro.web.servlet.NameableFilter</a></li>
 <li>
 <ul class="inheritance">
 <li><a href="../../../../../../org/apache/shiro/web/servlet/OncePerRequestFilter.html" title="class in org.apache.shiro.web.servlet">org.apache.shiro.web.servlet.OncePerRequestFilter</a></li>
 <li>
 <ul class="inheritance">
 <li><a href="../../../../../../org/apache/shiro/web/servlet/AdviceFilter.html" title="class in org.apache.shiro.web.servlet">org.apache.shiro.web.servlet.AdviceFilter</a></li>
 <li>
 <ul class="inheritance">
 <li><a href="../../../../../../org/apache/shiro/web/filter/PathMatchingFilter.html" title="class in org.apache.shiro.web.filter">org.apache.shiro.web.filter.PathMatchingFilter</a></li>
 <li>
 <ul class="inheritance">
 <li><a href="../../../../../../org/apache/shiro/web/filter/AccessControlFilter.html" title="class in org.apache.shiro.web.filter">org.apache.shiro.web.filter.AccessControlFilter</a></li>
 <li>
 <ul class="inheritance">
 <li><a href="../../../../../../org/apache/shiro/web/filter/authc/AuthenticationFilter.html" title="class in org.apache.shiro.web.filter.authc">org.apache.shiro.web.filter.authc.AuthenticationFilter</a></li>
 <li>
 <ul class="inheritance">
 <li><a href="../../../../../../org/apache/shiro/web/filter/authc/AuthenticatingFilter.html" title="class in org.apache.shiro.web.filter.authc">org.apache.shiro.web.filter.authc.AuthenticatingFilter</a></li>
 <li>
 <ul class="inheritance">
 <li>org.apache.shiro.web.filter.authc.BasicHttpAuthenticationFilter</li>
 </ul>
 </li>
 </ul>
 </li>
 </ul>
 </li>
 </ul>
 </li>
 </ul>
 </li>
 </ul>
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 </ul>
 <div class="description">
 <ul class="blockList">
 <li class="blockList">
 <dl>
 <dt>All Implemented Interfaces:</dt>
 <dd>javax.servlet.Filter, <a href="../../../../../../org/apache/shiro/util/Nameable.html" title="interface in org.apache.shiro.util">Nameable</a>, <a href="../../../../../../org/apache/shiro/web/filter/PathConfigProcessor.html" title="interface in org.apache.shiro.web.filter">PathConfigProcessor</a></dd>
 </dl>
 <hr>
 <br>
 <pre>public class <a href="../../../../../../src-html/org/apache/shiro/web/filter/authc/BasicHttpAuthenticationFilter.html#line.64">BasicHttpAuthenticationFilter</a>
 extends <a href="../../../../../../org/apache/shiro/web/filter/authc/AuthenticatingFilter.html" title="class in org.apache.shiro.web.filter.authc">AuthenticatingFilter</a></pre>
 <div class="block">Requires the requesting user to be <a href="../../../../../../org/apache/shiro/subject/Subject.html#isAuthenticated--"><code>authenticated</code></a> for the
  request to continue, and if they're not, requires the user to login via the HTTP Basic protocol-specific challenge.
  Upon successful login, they're allowed to continue on to the requested resource/url.
  <p/>
  This implementation is a 'clean room' Java implementation of Basic HTTP Authentication specification per
  <a href="ftp://ftp.isi.edu/in-notes/rfc2617.txt">RFC 2617</a>.
  <p/>
  Basic authentication functions as follows:
  <ol>
  <li>A request comes in for a resource that requires authentication.</li>
  <li>The server replies with a 401 response status, sets the <code>WWW-Authenticate</code> header, and the contents of a
  page informing the user that the incoming resource requires authentication.</li>
  <li>Upon receiving this <code>WWW-Authenticate</code> challenge from the server, the client then takes a
  username and a password and puts them in the following format:
  <p><code>username:password</code></p></li>
  <li>This token is then base 64 encoded.</li>
  <li>The client then sends another request for the same resource with the following header:<br/>
  <p><code>Authorization: Basic <em>Base64_encoded_username_and_password</em></code></p></li>
  </ol>
  The <a href="../../../../../../org/apache/shiro/web/filter/authc/BasicHttpAuthenticationFilter.html#onAccessDenied-javax.servlet.ServletRequest-javax.servlet.ServletResponse-"><code>onAccessDenied(javax.servlet.ServletRequest, javax.servlet.ServletResponse)</code></a> method will
  only be called if the subject making the request is not
  <a href="../../../../../../org/apache/shiro/subject/Subject.html#isAuthenticated--"><code>authenticated</code></a></div>
 <dl>
 <dt><span class="simpleTagLabel">Since:</span></dt>
 <dd>0.9</dd>
 <dt><span class="seeLabel">See Also:</span></dt>
 <dd><a href="ftp://ftp.isi.edu/in-notes/rfc2617.txt">RFC 2617</a>,
 <a href="http://en.wikipedia.org/wiki/Basic_access_authentication">Basic Access Authentication</a></dd>
 </dl>
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 <table class="memberSummary" border="0" cellpadding="3" cellspacing="0" summary="Field Summary table, listing fields, and an explanation">
 <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>protected static <a href="http://docs.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><span class="memberNameLink"><a href="../../../../../../org/apache/shiro/web/filter/authc/BasicHttpAuthenticationFilter.html#AUTHENTICATE_HEADER">AUTHENTICATE_HEADER</a></span></code>
 <div class="block">HTTP Authentication header, equal to <code>WWW-Authenticate</code></div>
 </td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code>protected static <a href="http://docs.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><span class="memberNameLink"><a href="../../../../../../org/apache/shiro/web/filter/authc/BasicHttpAuthenticationFilter.html#AUTHORIZATION_HEADER">AUTHORIZATION_HEADER</a></span></code>
 <div class="block">HTTP Authorization header, equal to <code>Authorization</code></div>
 </td>
 </tr>
 </table>
 <ul class="blockList">
 <li class="blockList"><a name="fields.inherited.from.class.org.apache.shiro.web.filter.authc.AuthenticatingFilter">
 <!--   -->
 </a>
 <h3>Fields inherited from class&nbsp;org.apache.shiro.web.filter.authc.<a href="../../../../../../org/apache/shiro/web/filter/authc/AuthenticatingFilter.html" title="class in org.apache.shiro.web.filter.authc">AuthenticatingFilter</a></h3>
 <code><a href="../../../../../../org/apache/shiro/web/filter/authc/AuthenticatingFilter.html#PERMISSIVE">PERMISSIVE</a></code></li>
 </ul>
 <ul class="blockList">
 <li class="blockList"><a name="fields.inherited.from.class.org.apache.shiro.web.filter.authc.AuthenticationFilter">
 <!--   -->
 </a>
 <h3>Fields inherited from class&nbsp;org.apache.shiro.web.filter.authc.<a href="../../../../../../org/apache/shiro/web/filter/authc/AuthenticationFilter.html" title="class in org.apache.shiro.web.filter.authc">AuthenticationFilter</a></h3>
 <code><a href="../../../../../../org/apache/shiro/web/filter/authc/AuthenticationFilter.html#DEFAULT_SUCCESS_URL">DEFAULT_SUCCESS_URL</a></code></li>
 </ul>
 <ul class="blockList">
 <li class="blockList"><a name="fields.inherited.from.class.org.apache.shiro.web.filter.AccessControlFilter">
 <!--   -->
 </a>
 <h3>Fields inherited from class&nbsp;org.apache.shiro.web.filter.<a href="../../../../../../org/apache/shiro/web/filter/AccessControlFilter.html" title="class in org.apache.shiro.web.filter">AccessControlFilter</a></h3>
 <code><a href="../../../../../../org/apache/shiro/web/filter/AccessControlFilter.html#DEFAULT_LOGIN_URL">DEFAULT_LOGIN_URL</a>, <a href="../../../../../../org/apache/shiro/web/filter/AccessControlFilter.html#GET_METHOD">GET_METHOD</a>, <a href="../../../../../../org/apache/shiro/web/filter/AccessControlFilter.html#POST_METHOD">POST_METHOD</a></code></li>
 </ul>
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 <li class="blockList"><a name="fields.inherited.from.class.org.apache.shiro.web.filter.PathMatchingFilter">
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 <h3>Fields inherited from class&nbsp;org.apache.shiro.web.filter.<a href="../../../../../../org/apache/shiro/web/filter/PathMatchingFilter.html" title="class in org.apache.shiro.web.filter">PathMatchingFilter</a></h3>
 <code><a href="../../../../../../org/apache/shiro/web/filter/PathMatchingFilter.html#appliedPaths">appliedPaths</a>, <a href="../../../../../../org/apache/shiro/web/filter/PathMatchingFilter.html#pathMatcher">pathMatcher</a></code></li>
 </ul>
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 <li class="blockList"><a name="fields.inherited.from.class.org.apache.shiro.web.servlet.OncePerRequestFilter">
 <!--   -->
 </a>
 <h3>Fields inherited from class&nbsp;org.apache.shiro.web.servlet.<a href="../../../../../../org/apache/shiro/web/servlet/OncePerRequestFilter.html" title="class in org.apache.shiro.web.servlet">OncePerRequestFilter</a></h3>
 <code><a href="../../../../../../org/apache/shiro/web/servlet/OncePerRequestFilter.html#ALREADY_FILTERED_SUFFIX">ALREADY_FILTERED_SUFFIX</a></code></li>
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 <ul class="blockList">
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 <h3>Fields inherited from class&nbsp;org.apache.shiro.web.servlet.<a href="../../../../../../org/apache/shiro/web/servlet/AbstractFilter.html" title="class in org.apache.shiro.web.servlet">AbstractFilter</a></h3>
 <code><a href="../../../../../../org/apache/shiro/web/servlet/AbstractFilter.html#filterConfig">filterConfig</a></code></li>
 </ul>
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 <!-- ======== CONSTRUCTOR SUMMARY ======== -->
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 <!--   -->
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 <h3>Constructor Summary</h3>
 <table class="memberSummary" border="0" cellpadding="3" cellspacing="0" summary="Constructor Summary table, listing constructors, and an explanation">
 <caption><span>Constructors</span><span class="tabEnd">&nbsp;</span></caption>
 <tr>
 <th class="colOne" scope="col">Constructor and Description</th>
 </tr>
 <tr class="altColor">
 <td class="colOne"><code><span class="memberNameLink"><a href="../../../../../../org/apache/shiro/web/filter/authc/BasicHttpAuthenticationFilter.html#BasicHttpAuthenticationFilter--">BasicHttpAuthenticationFilter</a></span>()</code>&nbsp;</td>
 </tr>
 </table>
 </li>
 </ul>
 <!-- ========== METHOD SUMMARY =========== -->
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 <li class="blockList"><a name="method.summary">
 <!--   -->
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 <h3>Method Summary</h3>
 <table class="memberSummary" border="0" cellpadding="3" cellspacing="0" summary="Method Summary table, listing methods, and an explanation">
 <caption><span id="t0" class="activeTableTab"><span>All Methods</span><span class="tabEnd">&nbsp;</span></span><span id="t2" class="tableTab"><span><a href="javascript:show(2);">Instance Methods</a></span><span class="tabEnd">&nbsp;</span></span><span id="t4" class="tableTab"><span><a href="javascript:show(8);">Concrete Methods</a></span><span class="tabEnd">&nbsp;</span></span></caption>
 <tr>
 <th class="colFirst" scope="col">Modifier and Type</th>
 <th class="colLast" scope="col">Method and Description</th>
 </tr>
 <tr id="i0" class="altColor">
 <td class="colFirst"><code>protected <a href="../../../../../../org/apache/shiro/authc/AuthenticationToken.html" title="interface in org.apache.shiro.authc">AuthenticationToken</a></code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/shiro/web/filter/authc/BasicHttpAuthenticationFilter.html#createToken-javax.servlet.ServletRequest-javax.servlet.ServletResponse-">createToken</a></span>(javax.servlet.ServletRequest&nbsp;request,
            javax.servlet.ServletResponse&nbsp;response)</code>
 <div class="block">Creates an AuthenticationToken for use during login attempt with the provided credentials in the http header.</div>
 </td>
 </tr>
 <tr id="i1" class="rowColor">
 <td class="colFirst"><code><a href="http://docs.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><span class="memberNameLink"><a href="../../../../../../org/apache/shiro/web/filter/authc/BasicHttpAuthenticationFilter.html#getApplicationName--">getApplicationName</a></span>()</code>
 <div class="block">Returns the name to use in the ServletResponse's <b><code>WWW-Authenticate</code></b> header.</div>
 </td>
 </tr>
 <tr id="i2" class="altColor">
 <td class="colFirst"><code><a href="http://docs.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><span class="memberNameLink"><a href="../../../../../../org/apache/shiro/web/filter/authc/BasicHttpAuthenticationFilter.html#getAuthcScheme--">getAuthcScheme</a></span>()</code>
 <div class="block">Returns the HTTP <b><code>WWW-Authenticate</code></b> header scheme that this filter will use when sending
  the HTTP Basic challenge response.</div>
 </td>
 </tr>
 <tr id="i3" class="rowColor">
 <td class="colFirst"><code>protected <a href="http://docs.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><span class="memberNameLink"><a href="../../../../../../org/apache/shiro/web/filter/authc/BasicHttpAuthenticationFilter.html#getAuthzHeader-javax.servlet.ServletRequest-">getAuthzHeader</a></span>(javax.servlet.ServletRequest&nbsp;request)</code>
 <div class="block">Returns the <a href="../../../../../../org/apache/shiro/web/filter/authc/BasicHttpAuthenticationFilter.html#AUTHORIZATION_HEADER"><code>AUTHORIZATION_HEADER</code></a> from the specified ServletRequest.</div>
 </td>
 </tr>
 <tr id="i4" class="altColor">
 <td class="colFirst"><code><a href="http://docs.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><span class="memberNameLink"><a href="../../../../../../org/apache/shiro/web/filter/authc/BasicHttpAuthenticationFilter.html#getAuthzScheme--">getAuthzScheme</a></span>()</code>
 <div class="block">Returns the HTTP <b><code>Authorization</code></b> header value that this filter will respond to as indicating
  a login request.</div>
 </td>
 </tr>
 <tr id="i5" class="rowColor">
 <td class="colFirst"><code>protected <a href="http://docs.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><span class="memberNameLink"><a href="../../../../../../org/apache/shiro/web/filter/authc/BasicHttpAuthenticationFilter.html#getPrincipalsAndCredentials-java.lang.String-javax.servlet.ServletRequest-">getPrincipalsAndCredentials</a></span>(<a href="http://docs.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;authorizationHeader,
                            javax.servlet.ServletRequest&nbsp;request)</code>
 <div class="block">Returns the username obtained from the
  <a href="../../../../../../org/apache/shiro/web/filter/authc/BasicHttpAuthenticationFilter.html#getAuthzHeader-javax.servlet.ServletRequest-"><code>authorizationHeader</code></a>.</div>
 </td>
 </tr>
 <tr id="i6" class="altColor">
 <td class="colFirst"><code>protected <a href="http://docs.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><span class="memberNameLink"><a href="../../../../../../org/apache/shiro/web/filter/authc/BasicHttpAuthenticationFilter.html#getPrincipalsAndCredentials-java.lang.String-java.lang.String-">getPrincipalsAndCredentials</a></span>(<a href="http://docs.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;scheme,
                            <a href="http://docs.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;encoded)</code>
 <div class="block">Returns the username and password pair based on the specified <code>encoded</code> String obtained from
  the request's authorization header.</div>
 </td>
 </tr>
 <tr id="i7" class="rowColor">
 <td class="colFirst"><code>protected boolean</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/shiro/web/filter/authc/BasicHttpAuthenticationFilter.html#isAccessAllowed-javax.servlet.ServletRequest-javax.servlet.ServletResponse-java.lang.Object-">isAccessAllowed</a></span>(javax.servlet.ServletRequest&nbsp;request,
                javax.servlet.ServletResponse&nbsp;response,
                <a href="http://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>&nbsp;mappedValue)</code>
 <div class="block">The Basic authentication filter can be configured with a list of HTTP methods to which it should apply.</div>
 </td>
 </tr>
 <tr id="i8" class="altColor">
 <td class="colFirst"><code>protected boolean</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/shiro/web/filter/authc/BasicHttpAuthenticationFilter.html#isLoginAttempt-javax.servlet.ServletRequest-javax.servlet.ServletResponse-">isLoginAttempt</a></span>(javax.servlet.ServletRequest&nbsp;request,
               javax.servlet.ServletResponse&nbsp;response)</code>
 <div class="block">Determines whether the incoming request is an attempt to log in.</div>
 </td>
 </tr>
 <tr id="i9" class="rowColor">
 <td class="colFirst"><code>protected boolean</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/shiro/web/filter/authc/BasicHttpAuthenticationFilter.html#isLoginAttempt-java.lang.String-">isLoginAttempt</a></span>(<a href="http://docs.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;authzHeader)</code>
 <div class="block">Default implementation that returns <code>true</code> if the specified <code>authzHeader</code>
  starts with the same (case-insensitive) characters specified by the
  <a href="../../../../../../org/apache/shiro/web/filter/authc/BasicHttpAuthenticationFilter.html#getAuthzScheme--"><code>authzScheme</code></a>, <code>false</code> otherwise.</div>
 </td>
 </tr>
 <tr id="i10" class="altColor">
 <td class="colFirst"><code>protected boolean</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/shiro/web/filter/authc/BasicHttpAuthenticationFilter.html#isLoginRequest-javax.servlet.ServletRequest-javax.servlet.ServletResponse-">isLoginRequest</a></span>(javax.servlet.ServletRequest&nbsp;request,
               javax.servlet.ServletResponse&nbsp;response)</code>
 <div class="block">Delegates to <a href="../../../../../../org/apache/shiro/web/filter/authc/BasicHttpAuthenticationFilter.html#isLoginAttempt-javax.servlet.ServletRequest-javax.servlet.ServletResponse-"><code>isLoginAttempt</code></a>.</div>
 </td>
 </tr>
 <tr id="i11" class="rowColor">
 <td class="colFirst"><code>protected boolean</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/shiro/web/filter/authc/BasicHttpAuthenticationFilter.html#onAccessDenied-javax.servlet.ServletRequest-javax.servlet.ServletResponse-">onAccessDenied</a></span>(javax.servlet.ServletRequest&nbsp;request,
               javax.servlet.ServletResponse&nbsp;response)</code>
 <div class="block">Processes unauthenticated requests.</div>
 </td>
 </tr>
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 <td class="colFirst"><code>protected boolean</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/shiro/web/filter/authc/BasicHttpAuthenticationFilter.html#sendChallenge-javax.servlet.ServletRequest-javax.servlet.ServletResponse-">sendChallenge</a></span>(javax.servlet.ServletRequest&nbsp;request,
              javax.servlet.ServletResponse&nbsp;response)</code>
 <div class="block">Builds the challenge for authorization by setting a HTTP <code>401</code> (Unauthorized) status as well as the
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 <td class="colFirst"><code>void</code></td>
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 <div class="block">Sets the name to use in the ServletResponse's <b><code>WWW-Authenticate</code></b> header.</div>
 </td>
 </tr>
 <tr id="i14" class="altColor">
 <td class="colFirst"><code>void</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/shiro/web/filter/authc/BasicHttpAuthenticationFilter.html#setAuthcScheme-java.lang.String-">setAuthcScheme</a></span>(<a href="http://docs.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;authcScheme)</code>
 <div class="block">Sets the HTTP <b><code>WWW-Authenticate</code></b> header scheme that this filter will use when sending the
  HTTP Basic challenge response.</div>
 </td>
 </tr>
 <tr id="i15" class="rowColor">
 <td class="colFirst"><code>void</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/shiro/web/filter/authc/BasicHttpAuthenticationFilter.html#setAuthzScheme-java.lang.String-">setAuthzScheme</a></span>(<a href="http://docs.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;authzScheme)</code>
 <div class="block">Sets the HTTP <b><code>Authorization</code></b> header value that this filter will respond to as indicating a
  login request.</div>
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 <pre>protected static final&nbsp;<a href="http://docs.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> <a href="../../../../../../src-html/org/apache/shiro/web/filter/authc/BasicHttpAuthenticationFilter.html#line.74">AUTHORIZATION_HEADER</a></pre>
 <div class="block">HTTP Authorization header, equal to <code>Authorization</code></div>
 <dl>
 <dt><span class="seeLabel">See Also:</span></dt>
 <dd><a href="../../../../../../constant-values.html#org.apache.shiro.web.filter.authc.BasicHttpAuthenticationFilter.AUTHORIZATION_HEADER">Constant Field Values</a></dd>
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 <div class="block">HTTP Authentication header, equal to <code>WWW-Authenticate</code></div>
 <dl>
 <dt><span class="seeLabel">See Also:</span></dt>
 <dd><a href="../../../../../../constant-values.html#org.apache.shiro.web.filter.authc.BasicHttpAuthenticationFilter.AUTHENTICATE_HEADER">Constant Field Values</a></dd>
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 <pre>public&nbsp;<a href="../../../../../../src-html/org/apache/shiro/web/filter/authc/BasicHttpAuthenticationFilter.html#line.64">BasicHttpAuthenticationFilter</a>()</pre>
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 <h4>getApplicationName</h4>
 <pre>public&nbsp;<a href="http://docs.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;<a href="../../../../../../src-html/org/apache/shiro/web/filter/authc/BasicHttpAuthenticationFilter.html#line.107">getApplicationName</a>()</pre>
 <div class="block">Returns the name to use in the ServletResponse's <b><code>WWW-Authenticate</code></b> header.
  <p/>
  Per RFC 2617, this name name is displayed to the end user when they are asked to authenticate.  Unless overridden
  by the <a href="../../../../../../org/apache/shiro/web/filter/authc/BasicHttpAuthenticationFilter.html#setApplicationName-java.lang.String-"><code>setApplicationName(String)</code></a> method, the default value is 'application'.
  <p/>
  Please see <a href="../../../../../../org/apache/shiro/web/filter/authc/BasicHttpAuthenticationFilter.html#setApplicationName-java.lang.String-"><code>setApplicationName(String)</code></a> for an example of how this functions.</div>
 <dl>
 <dt><span class="returnLabel">Returns:</span></dt>
 <dd>the name to use in the ServletResponse's 'WWW-Authenticate' header.</dd>
 </dl>
 </li>
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 <pre>public&nbsp;void&nbsp;<a href="../../../../../../src-html/org/apache/shiro/web/filter/authc/BasicHttpAuthenticationFilter.html#line.128">setApplicationName</a>(<a href="http://docs.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;applicationName)</pre>
 <div class="block">Sets the name to use in the ServletResponse's <b><code>WWW-Authenticate</code></b> header.
  <p/>
  Per RFC 2617, this name name is displayed to the end user when they are asked to authenticate.  Unless overridden
  by this method, the default value is &quot;application&quot;
  <p/>
  For example, setting this property to the value <b><code>Awesome Webapp</code></b> will result in the
  following header:
  <p/>
  <code>WWW-Authenticate: Basic realm=&quot;<b>Awesome Webapp</b>&quot;</code>
  <p/>
  Side note: As you can see from the header text, the HTTP Basic specification calls
  this the authentication 'realm', but we call this the 'applicationName' instead to avoid confusion with
  Shiro's Realm constructs.</div>
 <dl>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>applicationName</code> - the name to use in the ServletResponse's 'WWW-Authenticate' header.</dd>
 </dl>
 </li>
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 <h4>getAuthzScheme</h4>
 <pre>public&nbsp;<a href="http://docs.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;<a href="../../../../../../src-html/org/apache/shiro/web/filter/authc/BasicHttpAuthenticationFilter.html#line.141">getAuthzScheme</a>()</pre>
 <div class="block">Returns the HTTP <b><code>Authorization</code></b> header value that this filter will respond to as indicating
  a login request.
  <p/>
  Unless overridden by the <a href="../../../../../../org/apache/shiro/web/filter/authc/BasicHttpAuthenticationFilter.html#setAuthzScheme-java.lang.String-"><code>setAuthzScheme(String)</code></a> method, the
  default value is <code>BASIC</code>.</div>
 <dl>
 <dt><span class="returnLabel">Returns:</span></dt>
 <dd>the Http 'Authorization' header value that this filter will respond to as indicating a login request</dd>
 </dl>
 </li>
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 <pre>public&nbsp;void&nbsp;<a href="../../../../../../src-html/org/apache/shiro/web/filter/authc/BasicHttpAuthenticationFilter.html#line.154">setAuthzScheme</a>(<a href="http://docs.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;authzScheme)</pre>
 <div class="block">Sets the HTTP <b><code>Authorization</code></b> header value that this filter will respond to as indicating a
  login request.
  <p/>
  Unless overridden by this method, the default value is <code>BASIC</code></div>
 <dl>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>authzScheme</code> - the HTTP <code>Authorization</code> header value that this filter will respond to as
                     indicating a login request.</dd>
 </dl>
 </li>
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 <h4>getAuthcScheme</h4>
 <pre>public&nbsp;<a href="http://docs.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;<a href="../../../../../../src-html/org/apache/shiro/web/filter/authc/BasicHttpAuthenticationFilter.html#line.166">getAuthcScheme</a>()</pre>
 <div class="block">Returns the HTTP <b><code>WWW-Authenticate</code></b> header scheme that this filter will use when sending
  the HTTP Basic challenge response.  The default value is <code>BASIC</code>.</div>
 <dl>
 <dt><span class="returnLabel">Returns:</span></dt>
 <dd>the HTTP <code>WWW-Authenticate</code> header scheme that this filter will use when sending the HTTP
          Basic challenge response.</dd>
 <dt><span class="seeLabel">See Also:</span></dt>
 <dd><a href="../../../../../../org/apache/shiro/web/filter/authc/BasicHttpAuthenticationFilter.html#sendChallenge-javax.servlet.ServletRequest-javax.servlet.ServletResponse-"><code>sendChallenge(javax.servlet.ServletRequest, javax.servlet.ServletResponse)</code></a></dd>
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 <pre>public&nbsp;void&nbsp;<a href="../../../../../../src-html/org/apache/shiro/web/filter/authc/BasicHttpAuthenticationFilter.html#line.178">setAuthcScheme</a>(<a href="http://docs.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;authcScheme)</pre>
 <div class="block">Sets the HTTP <b><code>WWW-Authenticate</code></b> header scheme that this filter will use when sending the
  HTTP Basic challenge response.  The default value is <code>BASIC</code>.</div>
 <dl>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>authcScheme</code> - the HTTP <code>WWW-Authenticate</code> header scheme that this filter will use when
                     sending the Http Basic challenge response.</dd>
 <dt><span class="seeLabel">See Also:</span></dt>
 <dd><a href="../../../../../../org/apache/shiro/web/filter/authc/BasicHttpAuthenticationFilter.html#sendChallenge-javax.servlet.ServletRequest-javax.servlet.ServletResponse-"><code>sendChallenge(javax.servlet.ServletRequest, javax.servlet.ServletResponse)</code></a></dd>
 </dl>
 </li>
 </ul>
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 <h4>isAccessAllowed</h4>
 <pre>protected&nbsp;boolean&nbsp;<a href="../../../../../../src-html/org/apache/shiro/web/filter/authc/BasicHttpAuthenticationFilter.html#line.195">isAccessAllowed</a>(javax.servlet.ServletRequest&nbsp;request,
                                   javax.servlet.ServletResponse&nbsp;response,
                                   <a href="http://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>&nbsp;mappedValue)</pre>
 <div class="block">The Basic authentication filter can be configured with a list of HTTP methods to which it should apply. This
  method ensures that authentication is <em>only</em> required for those HTTP methods specified. For example,
  if you had the configuration:
  <pre>
     [urls]
     /basic/** = authcBasic[POST,PUT,DELETE]
  </pre>
  then a GET request would not required authentication but a POST would.</div>
 <dl>
 <dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
 <dd><code><a href="../../../../../../org/apache/shiro/web/filter/authc/AuthenticatingFilter.html#isAccessAllowed-javax.servlet.ServletRequest-javax.servlet.ServletResponse-java.lang.Object-">isAccessAllowed</a></code>&nbsp;in class&nbsp;<code><a href="../../../../../../org/apache/shiro/web/filter/authc/AuthenticatingFilter.html" title="class in org.apache.shiro.web.filter.authc">AuthenticatingFilter</a></code></dd>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>request</code> - The current HTTP servlet request.</dd>
 <dd><code>response</code> - The current HTTP servlet response.</dd>
 <dd><code>mappedValue</code> - The array of configured HTTP methods as strings. This is empty if no methods are configured.</dd>
 <dt><span class="returnLabel">Returns:</span></dt>
 <dd><code>true</code> if request should be allowed access</dd>
 </dl>
 </li>
 </ul>
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 <pre>protected&nbsp;boolean&nbsp;<a href="../../../../../../src-html/org/apache/shiro/web/filter/authc/BasicHttpAuthenticationFilter.html#line.242">onAccessDenied</a>(javax.servlet.ServletRequest&nbsp;request,
                                  javax.servlet.ServletResponse&nbsp;response)
                           throws <a href="http://docs.oracle.com/javase/6/docs/api/java/lang/Exception.html?is-external=true" title="class or interface in java.lang">Exception</a></pre>
 <div class="block">Processes unauthenticated requests. It handles the two-stage request/challenge authentication protocol.</div>
 <dl>
 <dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
 <dd><code><a href="../../../../../../org/apache/shiro/web/filter/AccessControlFilter.html#onAccessDenied-javax.servlet.ServletRequest-javax.servlet.ServletResponse-">onAccessDenied</a></code>&nbsp;in class&nbsp;<code><a href="../../../../../../org/apache/shiro/web/filter/AccessControlFilter.html" title="class in org.apache.shiro.web.filter">AccessControlFilter</a></code></dd>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>request</code> - incoming ServletRequest</dd>
 <dd><code>response</code> - outgoing ServletResponse</dd>
 <dt><span class="returnLabel">Returns:</span></dt>
 <dd>true if the request should be processed; false if the request should not continue to be processed</dd>
 <dt><span class="throwsLabel">Throws:</span></dt>
 <dd><code><a href="http://docs.oracle.com/javase/6/docs/api/java/lang/Exception.html?is-external=true" title="class or interface in java.lang">Exception</a></code> - if there is an error processing the request.</dd>
 </dl>
 </li>
 </ul>
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 <pre>protected&nbsp;boolean&nbsp;<a href="../../../../../../src-html/org/apache/shiro/web/filter/authc/BasicHttpAuthenticationFilter.html#line.265">isLoginAttempt</a>(javax.servlet.ServletRequest&nbsp;request,
                                  javax.servlet.ServletResponse&nbsp;response)</pre>
 <div class="block">Determines whether the incoming request is an attempt to log in.
  <p/>
  The default implementation obtains the value of the request's
  <a href="../../../../../../org/apache/shiro/web/filter/authc/BasicHttpAuthenticationFilter.html#AUTHORIZATION_HEADER"><code>AUTHORIZATION_HEADER</code></a>, and if it is not <code>null</code>, delegates
  to <a href="../../../../../../org/apache/shiro/web/filter/authc/BasicHttpAuthenticationFilter.html#isLoginAttempt-java.lang.String-"><code>isLoginAttempt(authzHeaderValue)</code></a>. If the header is <code>null</code>,
  <code>false</code> is returned.</div>
 <dl>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>request</code> - incoming ServletRequest</dd>
 <dd><code>response</code> - outgoing ServletResponse</dd>
 <dt><span class="returnLabel">Returns:</span></dt>
 <dd>true if the incoming request is an attempt to log in based, false otherwise</dd>
 </dl>
 </li>
 </ul>
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 <h4>isLoginRequest</h4>
 <pre>protected final&nbsp;boolean&nbsp;<a href="../../../../../../src-html/org/apache/shiro/web/filter/authc/BasicHttpAuthenticationFilter.html#line.274">isLoginRequest</a>(javax.servlet.ServletRequest&nbsp;request,
                                        javax.servlet.ServletResponse&nbsp;response)</pre>
 <div class="block">Delegates to <a href="../../../../../../org/apache/shiro/web/filter/authc/BasicHttpAuthenticationFilter.html#isLoginAttempt-javax.servlet.ServletRequest-javax.servlet.ServletResponse-"><code>isLoginAttempt</code></a>.</div>
 <dl>
 <dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
 <dd><code><a href="../../../../../../org/apache/shiro/web/filter/AccessControlFilter.html#isLoginRequest-javax.servlet.ServletRequest-javax.servlet.ServletResponse-">isLoginRequest</a></code>&nbsp;in class&nbsp;<code><a href="../../../../../../org/apache/shiro/web/filter/AccessControlFilter.html" title="class in org.apache.shiro.web.filter">AccessControlFilter</a></code></dd>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>request</code> - the incoming <code>ServletRequest</code></dd>
 <dd><code>response</code> - the outgoing <code>ServletResponse</code></dd>
 <dt><span class="returnLabel">Returns:</span></dt>
 <dd><code>true</code> if the incoming request is a login request, <code>false</code> otherwise.</dd>
 </dl>
 </li>
 </ul>
 <a name="getAuthzHeader-javax.servlet.ServletRequest-">
 <!--   -->
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 <h4>getAuthzHeader</h4>
 <pre>protected&nbsp;<a href="http://docs.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;<a href="../../../../../../src-html/org/apache/shiro/web/filter/authc/BasicHttpAuthenticationFilter.html#line.289">getAuthzHeader</a>(javax.servlet.ServletRequest&nbsp;request)</pre>
 <div class="block">Returns the <a href="../../../../../../org/apache/shiro/web/filter/authc/BasicHttpAuthenticationFilter.html#AUTHORIZATION_HEADER"><code>AUTHORIZATION_HEADER</code></a> from the specified ServletRequest.
  <p/>
  This implementation merely casts the request to an <code>HttpServletRequest</code> and returns the header:
  <p/>
  <code>HttpServletRequest httpRequest = <a href="../../../../../../org/apache/shiro/web/util/WebUtils.html#toHttp-javax.servlet.ServletRequest-"><code>toHttp(reaquest)</code></a>;<br/>
  return httpRequest.getHeader(<a href="../../../../../../org/apache/shiro/web/filter/authc/BasicHttpAuthenticationFilter.html#AUTHORIZATION_HEADER"><code>AUTHORIZATION_HEADER</code></a>);</code></div>
 <dl>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>request</code> - the incoming <code>ServletRequest</code></dd>
 <dt><span class="returnLabel">Returns:</span></dt>
 <dd>the <code>Authorization</code> header's value.</dd>
 </dl>
 </li>
 </ul>
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 <h4>isLoginAttempt</h4>
 <pre>protected&nbsp;boolean&nbsp;<a href="../../../../../../src-html/org/apache/shiro/web/filter/authc/BasicHttpAuthenticationFilter.html#line.309">isLoginAttempt</a>(<a href="http://docs.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;authzHeader)</pre>
 <div class="block">Default implementation that returns <code>true</code> if the specified <code>authzHeader</code>
  starts with the same (case-insensitive) characters specified by the
  <a href="../../../../../../org/apache/shiro/web/filter/authc/BasicHttpAuthenticationFilter.html#getAuthzScheme--"><code>authzScheme</code></a>, <code>false</code> otherwise.
  <p/>
  That is:
  <p/>
  <code>String authzScheme = getAuthzScheme().toLowerCase();<br/>
  return authzHeader.toLowerCase().startsWith(authzScheme);</code></div>
 <dl>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>authzHeader</code> - the 'Authorization' header value (guaranteed to be non-null if the
                     <a href="../../../../../../org/apache/shiro/web/filter/authc/BasicHttpAuthenticationFilter.html#isLoginAttempt-javax.servlet.ServletRequest-javax.servlet.ServletResponse-"><code>isLoginAttempt(javax.servlet.ServletRequest, javax.servlet.ServletResponse)</code></a> method is not overriden).</dd>
 <dt><span class="returnLabel">Returns:</span></dt>
 <dd><code>true</code> if the authzHeader value matches that configured as defined by
          the <a href="../../../../../../org/apache/shiro/web/filter/authc/BasicHttpAuthenticationFilter.html#getAuthzScheme--"><code>authzScheme</code></a>.</dd>
 </dl>
 </li>
 </ul>
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 <h4>sendChallenge</h4>
 <pre>protected&nbsp;boolean&nbsp;<a href="../../../../../../src-html/org/apache/shiro/web/filter/authc/BasicHttpAuthenticationFilter.html#line.327">sendChallenge</a>(javax.servlet.ServletRequest&nbsp;request,
                                 javax.servlet.ServletResponse&nbsp;response)</pre>
 <div class="block">Builds the challenge for authorization by setting a HTTP <code>401</code> (Unauthorized) status as well as the
  response's <a href="../../../../../../org/apache/shiro/web/filter/authc/BasicHttpAuthenticationFilter.html#AUTHENTICATE_HEADER"><code>AUTHENTICATE_HEADER</code></a>.
  <p/>
  The header value constructed is equal to:
  <p/>
  <code><a href="../../../../../../org/apache/shiro/web/filter/authc/BasicHttpAuthenticationFilter.html#getAuthcScheme--"><code>getAuthcScheme()</code></a> + " realm=\"" + <a href="../../../../../../org/apache/shiro/web/filter/authc/BasicHttpAuthenticationFilter.html#getApplicationName--"><code>getApplicationName()</code></a> + "\"";</code></div>
 <dl>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>request</code> - incoming ServletRequest, ignored by this implementation</dd>
 <dd><code>response</code> - outgoing ServletResponse</dd>
 <dt><span class="returnLabel">Returns:</span></dt>
 <dd>false - this sends the challenge to be sent back</dd>
 </dl>
 </li>
 </ul>
 <a name="createToken-javax.servlet.ServletRequest-javax.servlet.ServletResponse-">
 <!--   -->
 </a>
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 <h4>createToken</h4>
 <pre>protected&nbsp;<a href="../../../../../../org/apache/shiro/authc/AuthenticationToken.html" title="interface in org.apache.shiro.authc">AuthenticationToken</a>&nbsp;<a href="../../../../../../src-html/org/apache/shiro/web/filter/authc/BasicHttpAuthenticationFilter.html#line.353">createToken</a>(javax.servlet.ServletRequest&nbsp;request,
                                           javax.servlet.ServletResponse&nbsp;response)</pre>
 <div class="block">Creates an AuthenticationToken for use during login attempt with the provided credentials in the http header.
  <p/>
  This implementation:
  <ol><li>acquires the username and password based on the request's
  <a href="../../../../../../org/apache/shiro/web/filter/authc/BasicHttpAuthenticationFilter.html#getAuthzHeader-javax.servlet.ServletRequest-"><code>authorization header</code></a> via the
  <a href="../../../../../../org/apache/shiro/web/filter/authc/BasicHttpAuthenticationFilter.html#getPrincipalsAndCredentials-java.lang.String-javax.servlet.ServletRequest-"><code>getPrincipalsAndCredentials</code></a> method</li>
  <li>The return value of that method is converted to an <code>AuthenticationToken</code> via the
  <a href="../../../../../../org/apache/shiro/web/filter/authc/AuthenticatingFilter.html#createToken-java.lang.String-java.lang.String-javax.servlet.ServletRequest-javax.servlet.ServletResponse-"><code>createToken</code></a> method</li>
  <li>The created <code>AuthenticationToken</code> is returned.</li>
  </ol></div>
 <dl>
 <dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
 <dd><code><a href="../../../../../../org/apache/shiro/web/filter/authc/AuthenticatingFilter.html#createToken-javax.servlet.ServletRequest-javax.servlet.ServletResponse-">createToken</a></code>&nbsp;in class&nbsp;<code><a href="../../../../../../org/apache/shiro/web/filter/authc/AuthenticatingFilter.html" title="class in org.apache.shiro.web.filter.authc">AuthenticatingFilter</a></code></dd>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>request</code> - incoming ServletRequest</dd>
 <dd><code>response</code> - outgoing ServletResponse</dd>
 <dt><span class="returnLabel">Returns:</span></dt>
 <dd>the AuthenticationToken used to execute the login attempt</dd>
 </dl>
 </li>
 </ul>
 <a name="getPrincipalsAndCredentials-java.lang.String-javax.servlet.ServletRequest-">
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 <h4>getPrincipalsAndCredentials</h4>
 <pre>protected&nbsp;<a href="http://docs.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>[]&nbsp;<a href="../../../../../../src-html/org/apache/shiro/web/filter/authc/BasicHttpAuthenticationFilter.html#line.390">getPrincipalsAndCredentials</a>(<a href="http://docs.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;authorizationHeader,
                                                javax.servlet.ServletRequest&nbsp;request)</pre>
 <div class="block">Returns the username obtained from the
  <a href="../../../../../../org/apache/shiro/web/filter/authc/BasicHttpAuthenticationFilter.html#getAuthzHeader-javax.servlet.ServletRequest-"><code>authorizationHeader</code></a>.
  <p/>
  Once the <code>authzHeader</code> is split per the RFC (based on the space character ' '), the resulting split tokens
  are translated into the username/password pair by the
  <a href="../../../../../../org/apache/shiro/web/filter/authc/BasicHttpAuthenticationFilter.html#getPrincipalsAndCredentials-java.lang.String-java.lang.String-"><code>getPrincipalsAndCredentials(scheme,encoded)</code></a> method.</div>
 <dl>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>authorizationHeader</code> - the authorization header obtained from the request.</dd>
 <dd><code>request</code> - the incoming ServletRequest</dd>
 <dt><span class="returnLabel">Returns:</span></dt>
 <dd>the username (index 0)/password pair (index 1) submitted by the user for the given header value and request.</dd>
 <dt><span class="seeLabel">See Also:</span></dt>
 <dd><a href="../../../../../../org/apache/shiro/web/filter/authc/BasicHttpAuthenticationFilter.html#getAuthzHeader-javax.servlet.ServletRequest-"><code>getAuthzHeader(javax.servlet.ServletRequest)</code></a></dd>
 </dl>
 </li>
 </ul>
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 <!--   -->
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 <li class="blockList">
 <h4>getPrincipalsAndCredentials</h4>
 <pre>protected&nbsp;<a href="http://docs.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>[]&nbsp;<a href="../../../../../../src-html/org/apache/shiro/web/filter/authc/BasicHttpAuthenticationFilter.html#line.417">getPrincipalsAndCredentials</a>(<a href="http://docs.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;scheme,
                                                <a href="http://docs.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;encoded)</pre>
 <div class="block">Returns the username and password pair based on the specified <code>encoded</code> String obtained from
  the request's authorization header.
  <p/>
  Per RFC 2617, the default implementation first Base64 decodes the string and then splits the resulting decoded
  string into two based on the ":" character.  That is:
  <p/>
  <code>String decoded = Base64.decodeToString(encoded);<br/>
  return decoded.split(":");</code></div>
 <dl>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>scheme</code> - the <a href="../../../../../../org/apache/shiro/web/filter/authc/BasicHttpAuthenticationFilter.html#getAuthcScheme--"><code>authcScheme</code></a> found in the request
                 <a href="../../../../../../org/apache/shiro/web/filter/authc/BasicHttpAuthenticationFilter.html#getAuthzHeader-javax.servlet.ServletRequest-"><code>authzHeader</code></a>.  It is ignored by this implementation,
                 but available to overriding implementations should they find it useful.</dd>
 <dd><code>encoded</code> - the Base64-encoded username:password value found after the scheme in the header</dd>
 <dt><span class="returnLabel">Returns:</span></dt>
 <dd>the username (index 0)/password (index 1) pair obtained from the encoded header data.</dd>
 </dl>
 </li>
 </ul>
 </li>
 </ul>
 </li>
 </ul>
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