| /* |
| * The Apache Software License, Version 1.1 |
| * |
| * Copyright (c) 1999 The Apache Software Foundation. All rights |
| * reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in |
| * the documentation and/or other materials provided with the |
| * distribution. |
| * |
| * 3. The end-user documentation included with the redistribution, if |
| * any, must include the following acknowlegement: |
| * "This product includes software developed by the |
| * Apache Software Foundation (http://www.apache.org/)." |
| * Alternately, this acknowlegement may appear in the software itself, |
| * if and wherever such third-party acknowlegements normally appear. |
| * |
| * 4. The names "The Jakarta Project", "Ant", and "Apache Software |
| * Foundation" must not be used to endorse or promote products derived |
| * from this software without prior written permission. For written |
| * permission, please contact apache@apache.org. |
| * |
| * 5. Products derived from this software may not be called "Apache" |
| * nor may "Apache" appear in their names without prior written |
| * permission of the Apache Group. |
| * |
| * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED |
| * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
| * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR |
| * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF |
| * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
| * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
| * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT |
| * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| * SUCH DAMAGE. |
| * ==================================================================== |
| * |
| */ |
| |
| package org.apache.tools.mail; |
| |
| import java.io.*; |
| |
| /** |
| * A wrapper around the raw input from the SMTP server that assembles |
| * multi line responses into a single String. |
| * |
| * <p>The same rules used here would apply to FTP and other Telnet |
| * based protocols as well.</p> |
| * |
| * @author <a href="mailto:stefan.bodewig@epost.de">Stefan Bodewig</a> |
| */ |
| public class SmtpResponseReader { |
| |
| protected BufferedReader reader = null; |
| private StringBuffer result = new StringBuffer(); |
| |
| /** |
| * Wrap this input stream. |
| */ |
| public SmtpResponseReader(InputStream in) { |
| reader = new BufferedReader(new InputStreamReader(in)); |
| } |
| |
| /** |
| * Read until the server indicates that the response is complete. |
| * |
| * @return Responsecode (3 digits) + Blank + Text from all |
| * response line concatenated (with blanks replacing the \r\n |
| * sequences). |
| */ |
| public String getResponse() throws IOException { |
| result.setLength(0); |
| String line = reader.readLine(); |
| if (line != null) { |
| result.append(line.substring(0, 3)); |
| result.append(" "); |
| } |
| |
| while (line != null) { |
| append(line); |
| if (!hasMoreLines(line)) { |
| break; |
| } |
| line = reader.readLine(); |
| } |
| return result.toString().trim(); |
| } |
| |
| /** |
| * Closes the underlying stream. |
| */ |
| public void close() throws IOException { |
| reader.close(); |
| } |
| |
| /** |
| * Should we expect more input? |
| */ |
| protected boolean hasMoreLines(String line) { |
| return line.charAt(3) == '-'; |
| } |
| |
| /** |
| * Append the text from this line of the resonse. |
| */ |
| private void append(String line) { |
| result.append(line.substring(4)); |
| result.append(" "); |
| } |
| } |