commons-net.jar is the bytecode of Apache Commons Net library, which implements the client side of many basic Internet protocols.

Apache Commons Net Source Code files are provided in the binary packge (commons-net-3.8.0-bin.zip). You can download it at Apache Commons Net Website.

The source code of commons-net-3.8.0.jar is provided below:

⏎ org/apache/commons/net/nntp/NewsgroupInfo.java

/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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.
 *
 * @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 long estimatedArticleCount;
    private long firstArticle;
    private long lastArticle;
    private int postingPermission;

    void setNewsgroup(final String newsgroup)
    {
        this.newsgroup = newsgroup;
    }

    void setArticleCount(final long count)
    {
        estimatedArticleCount = count;
    }

    void setFirstArticle(final long first)
    {
        firstArticle = first;
    }

    void setLastArticle(final long last)
    {
        lastArticle = last;
    }

    void setPostingPermission(final 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 long getArticleCountLong()
    {
        return estimatedArticleCount;
    }

    /**
     * Get the number of the first article in the newsgroup.
     * <p>
     * @return The number of the first article in the newsgroup.
     */
    public long getFirstArticleLong()
    {
        return firstArticle;
    }

    /**
     * Get the number of the last article in the newsgroup.
     * <p>
     * @return The number of the last article in the newsgroup.
     */
    public long getLastArticleLong()
    {
        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() {
      StringBuilder buffer = new StringBuilder();
      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();
}
    */

    // DEPRECATED METHODS - for API compatibility only - DO NOT USE

    @Deprecated
    public int getArticleCount() {
        return (int) estimatedArticleCount;
    }

    @Deprecated
    public int getFirstArticle() {
        return (int) firstArticle;
    }

    @Deprecated
    public int getLastArticle() {
        return (int) lastArticle;
    }
}

⏎ org/apache/commons/net/nntp/NewsgroupInfo.java

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File name: commons-net-3.8.0-sources.jar
File size: 437325 bytes
Release date: 2020-01-22
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