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BasicHeaderIterator (HttpComponents Core 4.2.2 API)
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org.apache.http.message</FONT>
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Class BasicHeaderIterator</H2>
<PRE>
<A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html" title="class or interface in java.lang">java.lang.Object</A>
<IMG SRC="../../../../resources/inherit.gif" ALT="extended by "><B>org.apache.http.message.BasicHeaderIterator</B>
</PRE>
<DL>
<DT><B>All Implemented Interfaces:</B> <DD><A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/util/Iterator.html" title="class or interface in java.util">Iterator</A>&lt;<A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A>&gt;, <A HREF="../../../../org/apache/http/HeaderIterator.html" title="interface in org.apache.http">HeaderIterator</A></DD>
</DL>
<HR>
<DL>
<DT><PRE><FONT SIZE="-1"><A HREF="../../../../org/apache/http/annotation/NotThreadSafe.html" title="annotation in org.apache.http.annotation">@NotThreadSafe</A>
</FONT>public class <B>BasicHeaderIterator</B><DT>extends <A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A><DT>implements <A HREF="../../../../org/apache/http/HeaderIterator.html" title="interface in org.apache.http">HeaderIterator</A></DL>
</PRE>
<P>
Basic implementation of a <A HREF="../../../../org/apache/http/HeaderIterator.html" title="interface in org.apache.http"><CODE>HeaderIterator</CODE></A>.
<P>
<P>
<DL>
<DT><B>Since:</B></DT>
<DD>4.0</DD>
</DL>
<HR>
<P>
<!-- =========== FIELD SUMMARY =========== -->
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>protected &nbsp;<A HREF="../../../../org/apache/http/Header.html" title="interface in org.apache.http">Header</A>[]</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/apache/http/message/BasicHeaderIterator.html#allHeaders">allHeaders</A></B></CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;An array of headers to iterate over.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>protected &nbsp;int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/apache/http/message/BasicHeaderIterator.html#currentIndex">currentIndex</A></B></CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The position of the next header in <A HREF="../../../../org/apache/http/message/BasicHeaderIterator.html#allHeaders"><CODE>allHeaders</CODE></A>.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>protected &nbsp;<A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/String.html" title="class or interface in java.lang">String</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/apache/http/message/BasicHeaderIterator.html#headerName">headerName</A></B></CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The header name to filter by.</TD>
</TR>
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<!-- ======== CONSTRUCTOR SUMMARY ======== -->
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<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><B><A HREF="../../../../org/apache/http/message/BasicHeaderIterator.html#BasicHeaderIterator(org.apache.http.Header[], java.lang.String)">BasicHeaderIterator</A></B>(<A HREF="../../../../org/apache/http/Header.html" title="interface in org.apache.http">Header</A>[]&nbsp;headers,
<A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/String.html" title="class or interface in java.lang">String</A>&nbsp;name)</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Creates a new header iterator.</TD>
</TR>
</TABLE>
&nbsp;
<!-- ========== METHOD SUMMARY =========== -->
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>protected &nbsp;boolean</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/apache/http/message/BasicHeaderIterator.html#filterHeader(int)">filterHeader</A></B>(int&nbsp;index)</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Checks whether a header is part of the iteration.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>protected &nbsp;int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/apache/http/message/BasicHeaderIterator.html#findNext(int)">findNext</A></B>(int&nbsp;from)</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Determines the index of the next header.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;boolean</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/apache/http/message/BasicHeaderIterator.html#hasNext()">hasNext</A></B>()</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Indicates whether there is another header in this iteration.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;<A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/apache/http/message/BasicHeaderIterator.html#next()">next</A></B>()</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Returns the next header.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;<A HREF="../../../../org/apache/http/Header.html" title="interface in org.apache.http">Header</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/apache/http/message/BasicHeaderIterator.html#nextHeader()">nextHeader</A></B>()</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Obtains the next header from this iteration.</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/http/message/BasicHeaderIterator.html#remove()">remove</A></B>()</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Removing headers is not supported.</TD>
</TR>
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<TH ALIGN="left"><B>Methods inherited from class java.lang.<A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html" 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/1.5.0/docs/api/java/lang/Object.html#clone()" title="class or interface in java.lang">clone</A>, <A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html#equals(java.lang.Object)" title="class or interface in java.lang">equals</A>, <A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html#finalize()" title="class or interface in java.lang">finalize</A>, <A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html#getClass()" title="class or interface in java.lang">getClass</A>, <A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html#hashCode()" title="class or interface in java.lang">hashCode</A>, <A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html#notify()" title="class or interface in java.lang">notify</A>, <A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html#notifyAll()" title="class or interface in java.lang">notifyAll</A>, <A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html#toString()" title="class or interface in java.lang">toString</A>, <A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html#wait()" title="class or interface in java.lang">wait</A>, <A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html#wait(long)" title="class or interface in java.lang">wait</A>, <A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html#wait(long, int)" title="class or interface in java.lang">wait</A></CODE></TD>
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&nbsp;
<P>
<!-- ============ FIELD DETAIL =========== -->
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<A NAME="allHeaders"><!-- --></A><H3>
allHeaders</H3>
<PRE>
protected final <A HREF="../../../../org/apache/http/Header.html" title="interface in org.apache.http">Header</A>[] <B>allHeaders</B></PRE>
<DL>
<DD>An array of headers to iterate over.
Not all elements of this array are necessarily part of the iteration.
This array will never be modified by the iterator.
Derived implementations are expected to adhere to this restriction.
<P>
<DL>
</DL>
</DL>
<HR>
<A NAME="currentIndex"><!-- --></A><H3>
currentIndex</H3>
<PRE>
protected int <B>currentIndex</B></PRE>
<DL>
<DD>The position of the next header in <A HREF="../../../../org/apache/http/message/BasicHeaderIterator.html#allHeaders"><CODE>allHeaders</CODE></A>.
Negative if the iteration is over.
<P>
<DL>
</DL>
</DL>
<HR>
<A NAME="headerName"><!-- --></A><H3>
headerName</H3>
<PRE>
protected <A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/String.html" title="class or interface in java.lang">String</A> <B>headerName</B></PRE>
<DL>
<DD>The header name to filter by.
<code>null</code> to iterate over all headers in the array.
<P>
<DL>
</DL>
</DL>
<!-- ========= CONSTRUCTOR DETAIL ======== -->
<A NAME="constructor_detail"><!-- --></A>
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<A NAME="BasicHeaderIterator(org.apache.http.Header[], java.lang.String)"><!-- --></A><H3>
BasicHeaderIterator</H3>
<PRE>
public <B>BasicHeaderIterator</B>(<A HREF="../../../../org/apache/http/Header.html" title="interface in org.apache.http">Header</A>[]&nbsp;headers,
<A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/String.html" title="class or interface in java.lang">String</A>&nbsp;name)</PRE>
<DL>
<DD>Creates a new header iterator.
<P>
<DL>
<DT><B>Parameters:</B><DD><CODE>headers</CODE> - an array of headers over which to iterate<DD><CODE>name</CODE> - the name of the headers over which to iterate, or
<code>null</code> for any</DL>
</DL>
<!-- ============ METHOD DETAIL ========== -->
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<A NAME="findNext(int)"><!-- --></A><H3>
findNext</H3>
<PRE>
protected int <B>findNext</B>(int&nbsp;from)</PRE>
<DL>
<DD>Determines the index of the next header.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>from</CODE> - one less than the index to consider first,
-1 to search for the first header
<DT><B>Returns:</B><DD>the index of the next header that matches the filter name,
or negative if there are no more headers</DL>
</DD>
</DL>
<HR>
<A NAME="filterHeader(int)"><!-- --></A><H3>
filterHeader</H3>
<PRE>
protected boolean <B>filterHeader</B>(int&nbsp;index)</PRE>
<DL>
<DD>Checks whether a header is part of the iteration.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>index</CODE> - the index of the header to check
<DT><B>Returns:</B><DD><code>true</code> if the header should be part of the
iteration, <code>false</code> to skip</DL>
</DD>
</DL>
<HR>
<A NAME="hasNext()"><!-- --></A><H3>
hasNext</H3>
<PRE>
public boolean <B>hasNext</B>()</PRE>
<DL>
<DD><B>Description copied from interface: <CODE><A HREF="../../../../org/apache/http/HeaderIterator.html#hasNext()">HeaderIterator</A></CODE></B></DD>
<DD>Indicates whether there is another header in this iteration.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/util/Iterator.html#hasNext()" title="class or interface in java.util">hasNext</A></CODE> in interface <CODE><A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/util/Iterator.html" title="class or interface in java.util">Iterator</A>&lt;<A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A>&gt;</CODE><DT><B>Specified by:</B><DD><CODE><A HREF="../../../../org/apache/http/HeaderIterator.html#hasNext()">hasNext</A></CODE> in interface <CODE><A HREF="../../../../org/apache/http/HeaderIterator.html" title="interface in org.apache.http">HeaderIterator</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Returns:</B><DD><code>true</code> if there is another header,
<code>false</code> otherwise</DL>
</DD>
</DL>
<HR>
<A NAME="nextHeader()"><!-- --></A><H3>
nextHeader</H3>
<PRE>
public <A HREF="../../../../org/apache/http/Header.html" title="interface in org.apache.http">Header</A> <B>nextHeader</B>()
throws <A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/util/NoSuchElementException.html" title="class or interface in java.util">NoSuchElementException</A></PRE>
<DL>
<DD>Obtains the next header from this iteration.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../org/apache/http/HeaderIterator.html#nextHeader()">nextHeader</A></CODE> in interface <CODE><A HREF="../../../../org/apache/http/HeaderIterator.html" title="interface in org.apache.http">HeaderIterator</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Returns:</B><DD>the next header in this iteration
<DT><B>Throws:</B>
<DD><CODE><A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/util/NoSuchElementException.html" title="class or interface in java.util">NoSuchElementException</A></CODE> - if there are no more headers</DL>
</DD>
</DL>
<HR>
<A NAME="next()"><!-- --></A><H3>
next</H3>
<PRE>
public final <A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A> <B>next</B>()
throws <A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/util/NoSuchElementException.html" title="class or interface in java.util">NoSuchElementException</A></PRE>
<DL>
<DD>Returns the next header.
Same as <A HREF="../../../../org/apache/http/message/BasicHeaderIterator.html#nextHeader()"><CODE>nextHeader</CODE></A>, but not type-safe.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/util/Iterator.html#next()" title="class or interface in java.util">next</A></CODE> in interface <CODE><A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/util/Iterator.html" title="class or interface in java.util">Iterator</A>&lt;<A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A>&gt;</CODE></DL>
</DD>
<DD><DL>
<DT><B>Returns:</B><DD>the next header in this iteration
<DT><B>Throws:</B>
<DD><CODE><A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/util/NoSuchElementException.html" title="class or interface in java.util">NoSuchElementException</A></CODE> - if there are no more headers</DL>
</DD>
</DL>
<HR>
<A NAME="remove()"><!-- --></A><H3>
remove</H3>
<PRE>
public void <B>remove</B>()
throws <A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/UnsupportedOperationException.html" title="class or interface in java.lang">UnsupportedOperationException</A></PRE>
<DL>
<DD>Removing headers is not supported.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/util/Iterator.html#remove()" title="class or interface in java.util">remove</A></CODE> in interface <CODE><A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/util/Iterator.html" title="class or interface in java.util">Iterator</A>&lt;<A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A>&gt;</CODE></DL>
</DD>
<DD><DL>
<DT><B>Throws:</B>
<DD><CODE><A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/UnsupportedOperationException.html" title="class or interface in java.lang">UnsupportedOperationException</A></CODE> - always</DL>
</DD>
</DL>
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