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/** |
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$Id $ |
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Copyright (C) 2009 Nicklas Nordborg |
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This file is part of BASE - BioArray Software Environment. |
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Available at http://base.thep.lu.se/ |
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BASE is free software; you can redistribute it and/or |
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modify it under the terms of the GNU General Public License |
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as published by the Free Software Foundation; either version 3 |
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of the License, or (at your option) any later version. |
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BASE is distributed in the hope that it will be useful, |
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but WITHOUT ANY WARRANTY; without even the implied warranty of |
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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GNU General Public License for more details. |
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You should have received a copy of the GNU General Public License |
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along with BASE. If not, see <http://www.gnu.org/licenses/>. |
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*/ |
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package net.sf.basedb.util.encode; |
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/** |
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Interface for encoding and decoding strings to make them work in a certain |
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context. For example, in tab-separated text files tabs, newlines, etc. need |
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to be encoded or the number of columns or lines will be incorrect. |
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<p> |
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An encoder is usually paired with a decoder. It is not a requirement that the |
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encoding is symmetrical. If the encoding is symmetrical the result of encoding |
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and then decoding must be equal the original string and so must the result of |
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decoding and then encoding. |
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<p> |
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It is up to the implementation how null values are handled. Some implementations |
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may not support null and may throw an exception. Note that null value handling must |
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also be symmetrical if {@link #isSymmetrical()} returns true. |
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@since 2.15 |
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@author Nicklas |
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*/ |
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public interface EncoderDecoder |
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{ |
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/** |
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@return TRUE if the encoder is symmetrical, FALSE if not |
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*/ |
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public boolean isSymmetrical(); |
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/** |
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@param s The string to encode |
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@return The encoded string |
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*/ |
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public String encode(String s); |
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/** |
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@param s The string to decode |
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@return The decoded string |
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*/ |
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public String decode(String s); |
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} |