commons-net.jar Source Code

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:

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org/apache/commons/net/nntp/ReplyIterator.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;

import java.io.BufferedReader;
import java.io.IOException;
import java.util.Iterator;
import java.util.NoSuchElementException;

import org.apache.commons.net.io.DotTerminatedMessageReader;
import org.apache.commons.net.io.Util;

/**
 * Wraps a {@link BufferedReader} and returns an {@code Iterable<String>}
 * which returns the individual lines from the reader.
 * @since 3.0
 */
class ReplyIterator implements Iterator<String>, Iterable<String> {

    private final BufferedReader reader;

    private String line;

    private Exception savedException;

    /**
     *
     * @param _reader the reader to wrap
     * @param addDotReader whether to additionally wrap the reader in a DotTerminatedMessageReader
     * @throws IOException
     */
    ReplyIterator(final BufferedReader _reader, final boolean addDotReader) throws IOException {
        reader = addDotReader ? new DotTerminatedMessageReader(_reader) : _reader;
        line = reader.readLine(); // prime the iterator
        if (line == null) {
            Util.closeQuietly(reader);
        }
    }

    ReplyIterator(final BufferedReader _reader) throws IOException {
        this(_reader, true);
    }

    @Override
    public boolean hasNext() {
        if (savedException != null){
            throw new NoSuchElementException(savedException.toString());
        }
        return line != null;
    }

    @Override
    public String next() throws NoSuchElementException {
        if (savedException != null){
            throw new NoSuchElementException(savedException.toString());
        }
        final String prev = line;
        if (prev == null) {
            throw new NoSuchElementException();
        }
        try {
            line = reader.readLine(); // save next line
            if (line == null) {
                Util.closeQuietly(reader);
            }
        } catch (final IOException ex) {
            savedException = ex; // if it fails, save the exception, as it does not apply to this call
            Util.closeQuietly(reader);
        }
        return prev;
    }

    @Override
    public void remove() {
        throw new UnsupportedOperationException();
    }

    @Override
    public Iterator<String> iterator() {
        return this;
    }
}

org/apache/commons/net/nntp/ReplyIterator.java

 

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