newsgroupinfo.java

来自「apache推出的net包」· Java 代码 · 共 154 行

/*
 * Copyright 2001-2005 The Apache Software Foundation
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.apache.commons.net.nntp;

/***
 * NewsgroupInfo stores information pertaining to a newsgroup returned by
 * the NNTP GROUP, LIST, and NEWGROUPS commands, implemented by
 * {@link org.apache.commons.net.nntp.NNTPClient#selectNewsgroup selectNewsgroup }
 * ,
 * {@link org.apache.commons.net.nntp.NNTPClient#listNewsgroups listNewsgroups }
 * , and
 * {@link org.apache.commons.net.nntp.NNTPClient#listNewNewsgroups listNewNewsgroups }
 *  respectively.
 * <p>
 * <p>
 * @author Daniel F. Savarese
 * @see NNTPClient
 ***/

public final class NewsgroupInfo
{
    /***
     * A constant indicating that the posting permission of a newsgroup is
     * unknown.  For example, the NNTP GROUP command does not return posting
     * information, so NewsgroupInfo instances obtained from that command
     * willhave an UNKNOWN_POSTING_PERMISSION.
     ***/
    public static final int UNKNOWN_POSTING_PERMISSION = 0;

    /*** A constant indicating that a newsgroup is moderated. ***/
    public static final int MODERATED_POSTING_PERMISSION = 1;

    /*** A constant indicating that a newsgroup is public and unmoderated. ***/
    public static final int PERMITTED_POSTING_PERMISSION = 2;

    /***
     * A constant indicating that a newsgroup is closed for general posting.
     ***/
    public static final int PROHIBITED_POSTING_PERMISSION = 3;

    private String __newsgroup;
    private int __estimatedArticleCount;
    private int __firstArticle, __lastArticle;
    private int __postingPermission;

    void _setNewsgroup(String newsgroup)
    {
        __newsgroup = newsgroup;
    }

    void _setArticleCount(int count)
    {
        __estimatedArticleCount = count;
    }

    void _setFirstArticle(int first)
    {
        __firstArticle = first;
    }

    void _setLastArticle(int last)
    {
        __lastArticle = last;
    }

    void _setPostingPermission(int permission)
    {
        __postingPermission = permission;
    }

    /***
     * Get the newsgroup name.
     * <p>
     * @return The name of the newsgroup.
     ***/
    public String getNewsgroup()
    {
        return __newsgroup;
    }

    /***
     * Get the estimated number of articles in the newsgroup.  The
     * accuracy of this value will depend on the server implementation.
     * <p>
     * @return The estimated number of articles in the newsgroup.
     ***/
    public int getArticleCount()
    {
        return __estimatedArticleCount;
    }

    /***
     * Get the number of the first article in the newsgroup.
     * <p>
     * @return The number of the first article in the newsgroup.
     ***/
    public int getFirstArticle()
    {
        return __firstArticle;
    }

    /***
     * Get the number of the last article in the newsgroup.
     * <p>
     * @return The number of the last article in the newsgroup.
     ***/
    public int getLastArticle()
    {
        return __lastArticle;
    }

    /***
     * Get the posting permission of the newsgroup.  This will be one of
     * the <code> POSTING_PERMISSION </code> constants.
     * <p>
     * @return The posting permission status of the newsgroup.
     ***/
    public int getPostingPermission()
    {
        return __postingPermission;
    }

    /*
    public String toString() {
      StringBuffer buffer = new StringBuffer();
      buffer.append(__newsgroup);
      buffer.append(' ');
      buffer.append(__lastArticle);
      buffer.append(' ');
      buffer.append(__firstArticle);
      buffer.append(' ');
      switch(__postingPermission) {
        case 1: buffer.append('m'); break;
        case 2: buffer.append('y'); break;
        case 3: buffer.append('n'); break;
      }
      return buffer.toString();
}
    */
}