Class HeaderGroup

java.lang.Object
org.apache.commons.httpclient.HeaderGroup
public class HeaderGroup extends Object
A class for combining a set of headers. This class allows for multiple headers with the same name and keeps track of the order in which headers were added.
Since:
2.0beta1
Author:
Michael Becke

  • Constructor Details

    • HeaderGroup

      public HeaderGroup()
      Constructor for HeaderGroup.

  • Method Details

    • clear

      public void clear()
      Removes any contained headers.

    • addHeader

      public void addHeader(Header header)
      Adds the given header to the group. The order in which this header was added is preserved.
      Parameters:
      header - the header to add

    • removeHeader

      public void removeHeader(Header header)
      Removes the given header.
      Parameters:
      header - the header to remove

    • setHeaders

      public void setHeaders(Header[] headers)
      Sets all of the headers contained within this group overriding any existing headers. The headers are added in the order in which they appear in the array.
      Parameters:
      headers - the headers to set

    • getCondensedHeader

      public Header getCondensedHeader(String name)
      Gets a header representing all of the header values with the given name. If more that one header with the given name exists the values will be combined with a "," as per RFC 2616.

      Header name comparison is case insensitive.

      Parameters:
      name - the name of the header(s) to get
      Returns:
      a header with a condensed value or null if no headers by the given name are present

    • getHeaders

      public Header[] getHeaders(String name)
      Gets all of the headers with the given name. The returned array maintains the relative order in which the headers were added.

      Header name comparison is case insensitive.

      Parameters:
      name - the name of the header(s) to get
      Returns:
      an array of length >= 0

    • getFirstHeader

      public Header getFirstHeader(String name)
      Gets the first header with the given name.

      Header name comparison is case insensitive.

      Parameters:
      name - the name of the header to get
      Returns:
      the first header or null

    • getLastHeader

      public Header getLastHeader(String name)
      Gets the last header with the given name.

      Header name comparison is case insensitive.

      Parameters:
      name - the name of the header to get
      Returns:
      the last header or null

    • getAllHeaders

      public Header[] getAllHeaders()
      Gets all of the headers contained within this group.
      Returns:
      an array of length >= 0

    • containsHeader

      public boolean containsHeader(String name)
      Tests if headers with the given name are contained within this group.

      Header name comparison is case insensitive.

      Parameters:
      name - the header name to test for
      Returns:
      true if at least one header with the name is contained, false otherwise

    • getIterator

      public Iterator getIterator()
      Returns an iterator over this group of headers.
      Returns:
      iterator over this group of headers.
      Since:
      3.0