content/docs/r3.3.1/hadoop-yarn/hadoop-yarn-common/apidocs/org/apache/hadoop/yarn/webapp/util/WebAppUtils.html - hadoop-site - Git at Google

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 <h2 title="Class WebAppUtils" class="title">Class WebAppUtils</h2>
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 <pre>@InterfaceAudience.Private
  @InterfaceStability.Evolving
 public class <span class="typeNameLabel">WebAppUtils</span>
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 <div class="block">Get a HTML escaped uri with the query parameters of the request.</div>
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 <tr id="i21" class="rowColor">
 <td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td>
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 <tr id="i22" class="altColor">
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 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/yarn/webapp/util/WebAppUtils.html#getRouterWebAppURLWithoutScheme-org.apache.hadoop.conf.Configuration-">getRouterWebAppURLWithoutScheme</a></span>(org.apache.hadoop.conf.Configuration&nbsp;conf)</code>&nbsp;</td>
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 <tr id="i23" class="rowColor">
 <td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td>
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 <tr id="i24" class="altColor">
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 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/yarn/webapp/util/WebAppUtils.html#getRunningLogURL-java.lang.String-java.lang.String-java.lang.String-">getRunningLogURL</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;nodeHttpAddress,
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 <tr id="i25" class="rowColor">
 <td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td>
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 <tr id="i26" class="altColor">
 <td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/8/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/hadoop/yarn/webapp/util/WebAppUtils.html#getTimelineCollectorWebAppURLWithoutScheme-org.apache.hadoop.conf.Configuration-">getTimelineCollectorWebAppURLWithoutScheme</a></span>(org.apache.hadoop.conf.Configuration&nbsp;conf)</code>&nbsp;</td>
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 <tr id="i27" class="rowColor">
 <td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td>
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 <div class="block">Get a query string.</div>
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 <tr id="i29" class="rowColor">
 <td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/8/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/hadoop/yarn/webapp/util/WebAppUtils.html#getURLWithScheme-java.lang.String-java.lang.String-">getURLWithScheme</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;schemePrefix,
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 <div class="block">if url has scheme then it will be returned as it is else it will return
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 <tr id="i30" class="altColor">
 <td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td>
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 <div class="block">Get the URL to use for binding where bind hostname can be specified
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 </td>
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                                                          org.apache.hadoop.http.HttpConfig.Policy&nbsp;httpPolicy)</pre>
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                                                                org.apache.hadoop.http.HttpConfig.Policy&nbsp;httpPolicy)</pre>
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                                                                org.apache.hadoop.http.HttpConfig.Policy&nbsp;httpPolicy,
                                                                <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;rmId)</pre>
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 <pre>public static&nbsp;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;getWebAppBindURL(org.apache.hadoop.conf.Configuration&nbsp;conf,
                                       <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;hostProperty,
                                       <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;webAppURLWithoutScheme)</pre>
 <div class="block">Get the URL to use for binding where bind hostname can be specified
  to override the hostname in the webAppURLWithoutScheme. Port specified in the
  webAppURLWithoutScheme will be used.</div>
 <dl>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>conf</code> - the configuration</dd>
 <dd><code>hostProperty</code> - bind host property name</dd>
 <dd><code>webAppURLWithoutScheme</code> - web app URL without scheme String</dd>
 <dt><span class="returnLabel">Returns:</span></dt>
 <dd>String representing bind URL</dd>
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 <pre>public static&nbsp;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;getURLWithScheme(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;schemePrefix,
                                       <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;url)</pre>
 <div class="block">if url has scheme then it will be returned as it is else it will return
  url with scheme.</div>
 <dl>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>schemePrefix</code> - eg. http:// or https://</dd>
 <dd><code>url</code> - </dd>
 <dt><span class="returnLabel">Returns:</span></dt>
 <dd>url with scheme</dd>
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                                       <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;containerId,
                                       <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;user)</pre>
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                                          <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;allocatedNode,
                                          <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;containerId,
                                          <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;entity,
                                          <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;user)</pre>
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 <div class="block">Choose which scheme (HTTP or HTTPS) to use when generating a URL based on
  the configuration.</div>
 <dl>
 <dt><span class="returnLabel">Returns:</span></dt>
 <dd>the scheme (HTTP / HTTPS)</dd>
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 <pre>public static&nbsp;org.apache.hadoop.http.HttpServer2.Builder&nbsp;loadSslConfiguration(org.apache.hadoop.http.HttpServer2.Builder&nbsp;builder)</pre>
 <div class="block">Load the SSL keystore / truststore into the HttpServer builder.</div>
 <dl>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>builder</code> - the HttpServer2.Builder to populate with ssl config</dd>
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 <pre>public static&nbsp;org.apache.hadoop.http.HttpServer2.Builder&nbsp;loadSslConfiguration(org.apache.hadoop.http.HttpServer2.Builder&nbsp;builder,
                                                                               org.apache.hadoop.conf.Configuration&nbsp;conf)</pre>
 <div class="block">Load the SSL keystore / truststore into the HttpServer builder.</div>
 <dl>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>builder</code> - the HttpServer2.Builder to populate with ssl config</dd>
 <dd><code>conf</code> - the Configuration instance to load custom SSL config from</dd>
 <dt><span class="returnLabel">Returns:</span></dt>
 <dd>HttpServer2.Builder instance (passed in as the first parameter)
          after loading SSL stores</dd>
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 <pre>public static&nbsp;org.apache.hadoop.yarn.api.records.ApplicationId&nbsp;parseApplicationId(org.apache.hadoop.yarn.factories.RecordFactory&nbsp;recordFactory,
                                                                                   <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;appId)</pre>
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 <pre>public static&nbsp;<a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a>&lt;org.apache.http.NameValuePair&gt;&nbsp;getURLEncodedQueryParam(javax.servlet.http.HttpServletRequest&nbsp;request)</pre>
 <div class="block">Get a query string.</div>
 <dl>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>request</code> - HttpServletRequest with the request details</dd>
 <dt><span class="returnLabel">Returns:</span></dt>
 <dd>the query parameter string</dd>
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 <pre>public static&nbsp;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;removeQueryParams(javax.servlet.http.HttpServletRequest&nbsp;httpRequest,
                                        <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;parameterName)</pre>
 <div class="block">Get a query string which removes the passed parameter.</div>
 <dl>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>httpRequest</code> - HttpServletRequest with the request details</dd>
 <dd><code>parameterName</code> - the query parameters must be removed</dd>
 <dt><span class="returnLabel">Returns:</span></dt>
 <dd>the query parameter string</dd>
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 <pre>public static&nbsp;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;getHtmlEscapedURIWithQueryString(javax.servlet.http.HttpServletRequest&nbsp;request)</pre>
 <div class="block">Get a HTML escaped uri with the query parameters of the request.</div>
 <dl>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>request</code> - HttpServletRequest with the request details</dd>
 <dt><span class="returnLabel">Returns:</span></dt>
 <dd>HTML escaped uri with the query paramters</dd>
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 <pre>public static&nbsp;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;appendQueryParams(javax.servlet.http.HttpServletRequest&nbsp;request,
                                        <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;targetUri)</pre>
 <div class="block">Add the query params from a HttpServletRequest to the target uri passed.</div>
 <dl>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>request</code> - HttpServletRequest with the request details</dd>
 <dd><code>targetUri</code> - the uri to which the query params must be added</dd>
 <dt><span class="returnLabel">Returns:</span></dt>
 <dd>URL encoded string containing the targetUri + "?" + query string</dd>
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