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    1   /*
    2    * $Header: /home/jerenkrantz/tmp/commons/commons-convert/cvs/home/cvs/jakarta-commons//httpclient/src/java/org/apache/commons/httpclient/Header.java,v 1.17 2004/09/15 20:42:17 olegk Exp $
    3    * $Revision: 480424 $
    4    * $Date: 2006-11-29 06:56:49 +0100 (Wed, 29 Nov 2006) $
    5    *
    6    * ====================================================================
    7    *
    8    *  Licensed to the Apache Software Foundation (ASF) under one or more
    9    *  contributor license agreements.  See the NOTICE file distributed with
    10   *  this work for additional information regarding copyright ownership.
    11   *  The ASF licenses this file to You under the Apache License, Version 2.0
    12   *  (the "License"); you may not use this file except in compliance with
    13   *  the License.  You may obtain a copy of the License at
    14   *
    15   *      http://www.apache.org/licenses/LICENSE-2.0
    16   *
    17   *  Unless required by applicable law or agreed to in writing, software
    18   *  distributed under the License is distributed on an "AS IS" BASIS,
    19   *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    20   *  See the License for the specific language governing permissions and
    21   *  limitations under the License.
    22   * ====================================================================
    23   *
    24   * This software consists of voluntary contributions made by many
    25   * individuals on behalf of the Apache Software Foundation.  For more
    26   * information on the Apache Software Foundation, please see
    27   * <http://www.apache.org/>.
    28   *
    29   */
    30
    31  package org.apache.commons.httpclient;
    32
    33  /**
    34   * <p>An HTTP header.</p>
    35   *
    36   * @author <a href="mailto:remm@apache.org">Remy Maucherat</a>
    37   * @author <a href="mailto:mbowler@GargoyleSoftware.com">Mike Bowler</a>
    38   * @author <a href="mailto:oleg@ural.ru">Oleg Kalnichevski</a>
    39   * @version $Revision: 480424 $ $Date: 2006-11-29 06:56:49 +0100 (Wed, 29 Nov 2006) $
    40   */
    41  public class Header extends NameValuePair {
    42
    43      // ----------------------------------------------------------- Constructors
    44
    45      /**
    46       * Autogenerated header flag.
    47       */
    48      private boolean isAutogenerated = false;
    49
    50      /**
    51       * Default constructor.
    52       */
    53      public Header() {
    54          this(null, null);
    55      }
    56
    57      /**
    58       * Constructor with name and value
    59       *
    60       * @param name the header name
    61       * @param value the header value
    62       */
    63      public Header(String name, String value) {
    64          super(name, value);
    65      }
    66
    67      /**
    68       * Constructor with name and value
    69       *
    70       * @param name the header name
    71       * @param value the header value
    72       * @param isAutogenerated <tt>true</tt> if the header is autogenerated,
    73       *  <tt>false</tt> otherwise.
    74       *
    75       * @since 3.0
    76       */
    77      public Header(String name, String value, boolean isAutogenerated) {
    78          super(name, value);
    79          this.isAutogenerated = isAutogenerated;
    80      }
    81
    82      // --------------------------------------------------------- Public Methods
    83
    84      /**
    85       * Returns a {@link String} representation of the header.
    86       *
    87       * @return stringHEAD
    88       */
    89      public String toExternalForm() {
    90          return ((null == getName() ? "" : getName())
    91              + ": "
    92              + (null == getValue() ? "" : getValue())
    93              + "\r\n");
    94      }
    95
    96      /**
    97       * Returns a {@link String} representation of the header.
    98       *
    99       * @return stringHEAD
    100      */
    101     public String toString() {
    102         return toExternalForm();
    103     }
    104
    105     /**
    106      * Returns an array of {@link HeaderElement}s
    107      * constructed from my value.
    108      *
    109      * @see HeaderElement#parse
    110      * @throws HttpException if the header cannot be parsed
    111      * @return an array of header elements
    112      *
    113      * @deprecated Use #getElements
    114      */
    115     public HeaderElement[] getValues() throws HttpException {
    116         return HeaderElement.parse(getValue());
    117     }
    118
    119     /**
    120      * Returns an array of {@link HeaderElement}s
    121      * constructed from my value.
    122      *
    123      * @see HeaderElement#parseElements(String)
    124      *
    125      * @return an array of header elements
    126      *
    127      * @since 3.0
    128      */
    129     public HeaderElement[] getElements() {
    130         return HeaderElement.parseElements(getValue());
    131     }
    132
    133     /**
    134      * Returns the value of the auto-generated header flag.
    135      *
    136      * @return <tt>true</tt> if the header is autogenerated,
    137      *  <tt>false</tt> otherwise.
    138      *
    139      * @since 3.0
    140      */
    141     public boolean isAutogenerated() {
    142         return isAutogenerated;
    143     }
    144
    145 }