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ServerWebApp (Apache Hadoop HttpFS 2.0.0-alpha API)
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org.apache.hadoop.lib.servlet</FONT>
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Class ServerWebApp</H2>
<PRE>
<A HREF="http://download.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">java.lang.Object</A>
  <IMG SRC="../../../../../resources/inherit.gif" ALT="extended by "><A HREF="../../../../../org/apache/hadoop/lib/server/Server.html" title="class in org.apache.hadoop.lib.server">org.apache.hadoop.lib.server.Server</A>
      <IMG SRC="../../../../../resources/inherit.gif" ALT="extended by "><B>org.apache.hadoop.lib.servlet.ServerWebApp</B>
</PRE>
<DL>
<DT><B>All Implemented Interfaces:</B> <DD><A HREF="http://download.oracle.com/javase/6/docs/api/java/util/EventListener.html?is-external=true" title="class or interface in java.util">EventListener</A>, javax.servlet.ServletContextListener</DD>
</DL>
<DL>
<DT><B>Direct Known Subclasses:</B> <DD><A HREF="../../../../../org/apache/hadoop/fs/http/server/HttpFSServerWebApp.html" title="class in org.apache.hadoop.fs.http.server">HttpFSServerWebApp</A></DD>
</DL>
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<DT><PRE>public abstract class <A HREF="../../../../../src-html/org/apache/hadoop/lib/servlet/ServerWebApp.html#line.33"><B>ServerWebApp</B></A><DT>extends <A HREF="../../../../../org/apache/hadoop/lib/server/Server.html" title="class in org.apache.hadoop.lib.server">Server</A><DT>implements javax.servlet.ServletContextListener</DL>
</PRE>

<P>
<A HREF="../../../../../org/apache/hadoop/lib/server/Server.html" title="class in org.apache.hadoop.lib.server"><CODE>Server</CODE></A> subclass that implements <code>ServletContextListener</code>
 and uses its lifecycle to start and stop the server.
<P>

<P>
<HR>

<P>
<!-- ======== NESTED CLASS SUMMARY ======== -->

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&nbsp;<A NAME="nested_classes_inherited_from_class_org.apache.hadoop.lib.server.Server"><!-- --></A>
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<TH ALIGN="left"><B>Nested classes/interfaces inherited from class org.apache.hadoop.lib.server.<A HREF="../../../../../org/apache/hadoop/lib/server/Server.html" title="class in org.apache.hadoop.lib.server">Server</A></B></TH>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><A HREF="../../../../../org/apache/hadoop/lib/server/Server.Status.html" title="enum in org.apache.hadoop.lib.server">Server.Status</A></CODE></TD>
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<!-- =========== FIELD SUMMARY =========== -->

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<B>Field Summary</B></FONT></TH>
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&nbsp;<A NAME="fields_inherited_from_class_org.apache.hadoop.lib.server.Server"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
<TH ALIGN="left"><B>Fields inherited from class org.apache.hadoop.lib.server.<A HREF="../../../../../org/apache/hadoop/lib/server/Server.html" title="class in org.apache.hadoop.lib.server">Server</A></B></TH>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><A HREF="../../../../../org/apache/hadoop/lib/server/Server.html#CONF_SERVICES">CONF_SERVICES</A>, <A HREF="../../../../../org/apache/hadoop/lib/server/Server.html#CONF_SERVICES_EXT">CONF_SERVICES_EXT</A>, <A HREF="../../../../../org/apache/hadoop/lib/server/Server.html#CONF_STARTUP_STATUS">CONF_STARTUP_STATUS</A>, <A HREF="../../../../../org/apache/hadoop/lib/server/Server.html#DEFAULT_LOG4J_PROPERTIES">DEFAULT_LOG4J_PROPERTIES</A></CODE></TD>
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<!-- ======== CONSTRUCTOR SUMMARY ======== -->

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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/apache/hadoop/lib/servlet/ServerWebApp.html#ServerWebApp(java.lang.String)">ServerWebApp</A></B>(<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>&nbsp;name)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Constructor.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>protected </CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/apache/hadoop/lib/servlet/ServerWebApp.html#ServerWebApp(java.lang.String, java.lang.String, org.apache.hadoop.conf.Configuration)">ServerWebApp</A></B>(<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>&nbsp;name,
                         <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>&nbsp;homeDir,
                         org.apache.hadoop.conf.Configuration&nbsp;config)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Constructor for testing purposes.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>protected </CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/apache/hadoop/lib/servlet/ServerWebApp.html#ServerWebApp(java.lang.String, java.lang.String, java.lang.String, java.lang.String, java.lang.String, org.apache.hadoop.conf.Configuration)">ServerWebApp</A></B>(<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>&nbsp;name,
                         <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>&nbsp;homeDir,
                         <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>&nbsp;configDir,
                         <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>&nbsp;logDir,
                         <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>&nbsp;tempDir,
                         org.apache.hadoop.conf.Configuration&nbsp;config)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Constructor for testing purposes.</TD>
</TR>
</TABLE>
&nbsp;
<!-- ========== METHOD SUMMARY =========== -->

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<B>Method Summary</B></FONT></TH>
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/apache/hadoop/lib/servlet/ServerWebApp.html#contextDestroyed(javax.servlet.ServletContextEvent)">contextDestroyed</A></B>(javax.servlet.ServletContextEvent&nbsp;event)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Destroys the <code>ServletContextListener</code> which destroys
 the Server.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/apache/hadoop/lib/servlet/ServerWebApp.html#contextInitialized(javax.servlet.ServletContextEvent)">contextInitialized</A></B>(javax.servlet.ServletContextEvent&nbsp;event)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Initializes the <code>ServletContextListener</code> which initializes
 the Server.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>static&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/apache/hadoop/lib/servlet/ServerWebApp.html#setHomeDirForCurrentThread(java.lang.String)">setHomeDirForCurrentThread</A></B>(<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>&nbsp;homeDir)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Method for testing purposes.</TD>
</TR>
</TABLE>
&nbsp;<A NAME="methods_inherited_from_class_org.apache.hadoop.lib.server.Server"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
<TH ALIGN="left"><B>Methods inherited from class org.apache.hadoop.lib.server.<A HREF="../../../../../org/apache/hadoop/lib/server/Server.html" title="class in org.apache.hadoop.lib.server">Server</A></B></TH>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><A HREF="../../../../../org/apache/hadoop/lib/server/Server.html#checkServiceDependencies(org.apache.hadoop.lib.server.Service)">checkServiceDependencies</A>, <A HREF="../../../../../org/apache/hadoop/lib/server/Server.html#destroy()">destroy</A>, <A HREF="../../../../../org/apache/hadoop/lib/server/Server.html#destroyServices()">destroyServices</A>, <A HREF="../../../../../org/apache/hadoop/lib/server/Server.html#ensureOperational()">ensureOperational</A>, <A HREF="../../../../../org/apache/hadoop/lib/server/Server.html#get(java.lang.Class)">get</A>, <A HREF="../../../../../org/apache/hadoop/lib/server/Server.html#getConfig()">getConfig</A>, <A HREF="../../../../../org/apache/hadoop/lib/server/Server.html#getConfigDir()">getConfigDir</A>, <A HREF="../../../../../org/apache/hadoop/lib/server/Server.html#getHomeDir()">getHomeDir</A>, <A HREF="../../../../../org/apache/hadoop/lib/server/Server.html#getLogDir()">getLogDir</A>, <A HREF="../../../../../org/apache/hadoop/lib/server/Server.html#getName()">getName</A>, <A HREF="../../../../../org/apache/hadoop/lib/server/Server.html#getPrefix()">getPrefix</A>, <A HREF="../../../../../org/apache/hadoop/lib/server/Server.html#getPrefixedName(java.lang.String)">getPrefixedName</A>, <A HREF="../../../../../org/apache/hadoop/lib/server/Server.html#getStatus()">getStatus</A>, <A HREF="../../../../../org/apache/hadoop/lib/server/Server.html#getTempDir()">getTempDir</A>, <A HREF="../../../../../org/apache/hadoop/lib/server/Server.html#init()">init</A>, <A HREF="../../../../../org/apache/hadoop/lib/server/Server.html#initConfig()">initConfig</A>, <A HREF="../../../../../org/apache/hadoop/lib/server/Server.html#initLog()">initLog</A>, <A HREF="../../../../../org/apache/hadoop/lib/server/Server.html#initServices(java.util.List)">initServices</A>, <A HREF="../../../../../org/apache/hadoop/lib/server/Server.html#loadServices()">loadServices</A>, <A HREF="../../../../../org/apache/hadoop/lib/server/Server.html#setService(java.lang.Class)">setService</A>, <A HREF="../../../../../org/apache/hadoop/lib/server/Server.html#setStatus(org.apache.hadoop.lib.server.Server.Status)">setStatus</A></CODE></TD>
</TR>
</TABLE>
&nbsp;<A NAME="methods_inherited_from_class_java.lang.Object"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
<TH ALIGN="left"><B>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></B></TH>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><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></TD>
</TR>
</TABLE>
&nbsp;
<P>

<!-- ========= CONSTRUCTOR DETAIL ======== -->

<A NAME="constructor_detail"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
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<B>Constructor Detail</B></FONT></TH>
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</TABLE>

<A NAME="ServerWebApp(java.lang.String, java.lang.String, java.lang.String, java.lang.String, java.lang.String, org.apache.hadoop.conf.Configuration)"><!-- --></A><H3>
ServerWebApp</H3>
<PRE>
protected <A HREF="../../../../../src-html/org/apache/hadoop/lib/servlet/ServerWebApp.html#line.52"><B>ServerWebApp</B></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>&nbsp;name,
                       <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>&nbsp;homeDir,
                       <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>&nbsp;configDir,
                       <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>&nbsp;logDir,
                       <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>&nbsp;tempDir,
                       org.apache.hadoop.conf.Configuration&nbsp;config)</PRE>
<DL>
<DD>Constructor for testing purposes.
<P>
</DL>
<HR>

<A NAME="ServerWebApp(java.lang.String, java.lang.String, org.apache.hadoop.conf.Configuration)"><!-- --></A><H3>
ServerWebApp</H3>
<PRE>
protected <A HREF="../../../../../src-html/org/apache/hadoop/lib/servlet/ServerWebApp.html#line.60"><B>ServerWebApp</B></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>&nbsp;name,
                       <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>&nbsp;homeDir,
                       org.apache.hadoop.conf.Configuration&nbsp;config)</PRE>
<DL>
<DD>Constructor for testing purposes.
<P>
</DL>
<HR>

<A NAME="ServerWebApp(java.lang.String)"><!-- --></A><H3>
ServerWebApp</H3>
<PRE>
public <A HREF="../../../../../src-html/org/apache/hadoop/lib/servlet/ServerWebApp.html#line.88"><B>ServerWebApp</B></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>&nbsp;name)</PRE>
<DL>
<DD>Constructor. Subclasses must have a default constructor specifying
 the server name.
 <p/>
 The server name is used to resolve the Java System properties that define
 the server home, config, log and temp directories.
 <p/>
 The home directory is looked in the Java System property
 <code>#SERVER_NAME#.home.dir</code>.
 <p/>
 The config directory is looked in the Java System property
 <code>#SERVER_NAME#.config.dir</code>, if not defined it resolves to
 the <code>#SERVER_HOME_DIR#/conf</code> directory.
 <p/>
 The log directory is looked in the Java System property
 <code>#SERVER_NAME#.log.dir</code>, if not defined it resolves to
 the <code>#SERVER_HOME_DIR#/log</code> directory.
 <p/>
 The temp directory is looked in the Java System property
 <code>#SERVER_NAME#.temp.dir</code>, if not defined it resolves to
 the <code>#SERVER_HOME_DIR#/temp</code> directory.
<P>
<DL>
<DT><B>Parameters:</B><DD><CODE>name</CODE> - server name.</DL>
</DL>

<!-- ============ METHOD DETAIL ========== -->

<A NAME="method_detail"><!-- --></A>
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<B>Method Detail</B></FONT></TH>
</TR>
</TABLE>

<A NAME="setHomeDirForCurrentThread(java.lang.String)"><!-- --></A><H3>
setHomeDirForCurrentThread</H3>
<PRE>
public static void <A HREF="../../../../../src-html/org/apache/hadoop/lib/servlet/ServerWebApp.html#line.45"><B>setHomeDirForCurrentThread</B></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>&nbsp;homeDir)</PRE>
<DL>
<DD>Method for testing purposes.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="contextInitialized(javax.servlet.ServletContextEvent)"><!-- --></A><H3>
contextInitialized</H3>
<PRE>
public void <A HREF="../../../../../src-html/org/apache/hadoop/lib/servlet/ServerWebApp.html#line.140"><B>contextInitialized</B></A>(javax.servlet.ServletContextEvent&nbsp;event)</PRE>
<DL>
<DD>Initializes the <code>ServletContextListener</code> which initializes
 the Server.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE>contextInitialized</CODE> in interface <CODE>javax.servlet.ServletContextListener</CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>event</CODE> - servelt context event.</DL>
</DD>
</DL>
<HR>

<A NAME="contextDestroyed(javax.servlet.ServletContextEvent)"><!-- --></A><H3>
contextDestroyed</H3>
<PRE>
public void <A HREF="../../../../../src-html/org/apache/hadoop/lib/servlet/ServerWebApp.html#line.155"><B>contextDestroyed</B></A>(javax.servlet.ServletContextEvent&nbsp;event)</PRE>
<DL>
<DD>Destroys the <code>ServletContextListener</code> which destroys
 the Server.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE>contextDestroyed</CODE> in interface <CODE>javax.servlet.ServletContextListener</CODE></DL>
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