Commons Net example source code file (DotTerminatedMessageReaderTest.java)

This example Commons Net source code file (DotTerminatedMessageReaderTest.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Java - Commons Net tags/keywords

crlf, dotterminatedmessagereader, eom, eom, exception, hello, hello, io, ioexception, string, string, stringbuilder, stringreader, world, world

The Commons Net DotTerminatedMessageReaderTest.java source code

/*
 * 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.io;

import java.io.IOException;
import java.io.StringReader;

import junit.framework.TestCase;

public class DotTerminatedMessageReaderTest extends TestCase {

    private DotTerminatedMessageReader reader;
    private StringBuilder str = new StringBuilder();
    private char[] buf = new char[64];
    private static final String CRLF = "\r\n";
    private static final String DOT = ".";
    private static final String EOM = CRLF+DOT+CRLF;

    public void testReadSimpleStringCrLfLineEnding() throws IOException {
        final String test = "Hello World!"+EOM;
        reader = new DotTerminatedMessageReader(new StringReader(test));

        int read = 0;
        while ((read = reader.read(buf)) != -1) {
            str.append(buf, 0, read);
        }

        assertEquals("Hello World!"+CRLF, str.toString());
    }

    public void testReadSimpleStringLfLineEnding() throws IOException {
        final String test = "Hello World!"+EOM;
        reader = new DotTerminatedMessageReader(new StringReader(test));

        int read = 0;
        while ((read = reader.read(buf)) != -1) {
            str.append(buf, 0, read);
        }

        assertEquals("Hello World!"+CRLF, str.toString());
    }

    public void testEmbeddedNewlines() throws IOException {
        final String test = "Hello"+CRLF+"World\nA\rB"+EOM;
        reader = new DotTerminatedMessageReader(new StringReader(test));

        int read = 0;
        while ((read = reader.read(buf)) != -1) {
            str.append(buf, 0, read);
        }

        assertEquals(str.toString(), "Hello" + CRLF  +"World\nA\rB" + CRLF);
    }

    public void testDoubleCrBeforeDot() throws IOException {
        final String test = "Hello World!\r"+EOM;
        reader = new DotTerminatedMessageReader(new StringReader(test));

        int read = 0;
        while ((read = reader.read(buf)) != -1) {
            str.append(buf, 0, read);
        }

        assertEquals("Hello World!\r" + CRLF,str.toString());
    }

    public void testLeadingDot() throws IOException {
        final String test = "Hello World!"+CRLF+"..text"+EOM;
        reader = new DotTerminatedMessageReader(new StringReader(test));

        int read = 0;
        while ((read = reader.read(buf)) != -1) {
            str.append(buf, 0, read);
        }

        assertEquals("Hello World!" + CRLF+".text"+CRLF,str.toString());
    }

    public void testEmbeddedDot1() throws IOException {
        final String test = "Hello . World!"+EOM;
        reader = new DotTerminatedMessageReader(new StringReader(test));

        int read = 0;
        while ((read = reader.read(buf)) != -1) {
            str.append(buf, 0, read);
        }

        assertEquals("Hello . World!" + CRLF,str.toString());
    }

    public void testEmbeddedDot2() throws IOException {
        final String test = "Hello .. World!"+EOM;
        reader = new DotTerminatedMessageReader(new StringReader(test));

        int read = 0;
        while ((read = reader.read(buf)) != -1) {
            str.append(buf, 0, read);
        }

        assertEquals("Hello .. World!" + CRLF,str.toString());
    }

    public void testEmbeddedDot3() throws IOException {
        final String test = "Hello World."+CRLF+"more"+EOM;
        reader = new DotTerminatedMessageReader(new StringReader(test));

        int read = 0;
        while ((read = reader.read(buf)) != -1) {
            str.append(buf, 0, read);
        }

        assertEquals("Hello World." + CRLF+"more"+CRLF,str.toString());
    }

    public void testEmbeddedDot4() throws IOException {
        final String test = "Hello World\r.\nmore"+EOM;
        reader = new DotTerminatedMessageReader(new StringReader(test));

        int read = 0;
        while ((read = reader.read(buf)) != -1) {
            str.append(buf, 0, read);
        }

        assertEquals("Hello World\r.\nmore" + CRLF,str.toString());
    }

    public void testReadLine1() throws Exception {
        final String test = "Hello World"+CRLF+"more"+EOM;
        reader = new DotTerminatedMessageReader(new StringReader(test));

        String line;
        while ((line = reader.readLine()) != null) {
            str.append(line);
            str.append("#");
        }

        assertEquals("Hello World#more#",str.toString());

    }

    public void testReadLine2() throws Exception {
        final String test = "Hello World\r.\nmore"+EOM;
        reader = new DotTerminatedMessageReader(new StringReader(test));

        String line;
        while ((line = reader.readLine()) != null) {
            str.append(line);
            str.append("#");
        }

        assertEquals("Hello World\r.\nmore#",str.toString());

    }

    public void testSingleDotWithTrailingText() throws IOException {
        final String test = "Hello World!"+CRLF+".text"+EOM;
        reader = new DotTerminatedMessageReader(new StringReader(test));

        int read = 0;
        while ((read = reader.read(buf)) != -1) {
            str.append(buf, 0, read);
        }

        assertEquals("Hello World!"+CRLF+".text"+CRLF,str.toString());
    }

}