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jeremybenn |
/* IppValueTag.java --
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Copyright (C) 2006 Free Software Foundation, Inc.
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This file is part of GNU Classpath.
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GNU Classpath is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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GNU Classpath is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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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 GNU Classpath; see the file COPYING. If not, write to the
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Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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02110-1301 USA.
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Linking this library statically or dynamically with other modules is
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making a combined work based on this library. Thus, the terms and
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conditions of the GNU General Public License cover the whole
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combination.
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As a special exception, the copyright holders of this library give you
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permission to link this library with independent modules to produce an
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executable, regardless of the license terms of these independent
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modules, and to copy and distribute the resulting executable under
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terms of your choice, provided that you also meet, for each linked
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independent module, the terms and conditions of the license of that
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module. An independent module is a module which is not derived from
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or based on this library. If you modify this library, you may extend
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this exception to your version of the library, but you are not
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obligated to do so. If you do not wish to do so, delete this
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exception statement from your version. */
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package gnu.javax.print.ipp;
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/**
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* IPP Value Tags as described in RFC 2910 section 3.5.2.
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* <p>
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* Attributes are always of a special type syntax (e.g. boolean or
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* interger attribute). These value types are specified by the tag
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* constants provided in this class. Beside the syntax types some
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* out of band values for reporting requested attributes as
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* unsupported, unknown etc. back to the client.
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* </p>
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*
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* @author Wolfgang Baer (WBaer@gmx.de)
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*/
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public final class IppValueTag
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{
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/** Out of band value for unsupported attributes. */
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public static final byte UNSUPPORTED = 0x10;
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// 0x11 reserved for 'default' for definition in a future
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// IETF standards track document
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/** Out of band value for unknown attributes. */
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public static final byte UNKNOWN = 0x12;
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/** Out of band value for attribute without a value. */
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public static final byte NO_VALUE = 0x13;
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// 0x14-0x1F reserved for "out-of-band" values in future IETF
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// standards track documents.
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// 0x20 reserved for definition in a future IETF
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// standards track document
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/** Indicates a value of syntax type integer. */
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public static final byte INTEGER = 0x21;
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/** Indicates a value of syntax type boolean. */
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public static final byte BOOLEAN = 0x22;
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/** Indicates a value of syntax type enum (enumeration). */
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public static final byte ENUM = 0x23;
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// 0x24-0x2F reserved for integer types for definition in
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// future IETF standards track documents
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/** Indicates a value of syntax type octect string. */
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public static final byte OCTECTSTRING_UNSPECIFIED = 0x30;
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/** Indicates a value of syntax type datetime. */
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public static final byte DATETIME = 0x31;
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/** Indicates a value of syntax type resolution. */
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public static final byte RESOLUTION = 0x32;
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/** Indicates a value of syntax type range of integers. */
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public static final byte RANGEOFINTEGER = 0x33;
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// 0x34 reserved for definition in a future IETF
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// standards track document
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/** Indicates a value of syntax type text with language. */
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public static final byte TEXT_WITH_LANGUAGE = 0x35;
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/** Indicates a value of syntax type name with language. */
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public static final byte NAME_WITH_LANGUAGE = 0x36;
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// 0x37-0x3F reserved for octetString type definitions in
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// future IETF standards track documents
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// 0x40 reserved for definition in a future IETF
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// standards track document
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/** Indicates a value of syntax type text without language. */
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public static final byte TEXT_WITHOUT_LANGUAGE = 0x41;
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/** Indicates a value of syntax type name without language. */
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public static final byte NAME_WITHOUT_LANGUAGE = 0x42;
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// 0x43 reserved for definition in a future IETF
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// standards track document
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/** Indicates a value of syntax type keyword. */
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public static final byte KEYWORD = 0x44;
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/** Indicates a value of syntax type URI. */
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public static final byte URI = 0x45;
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/** Indicates a value of syntax type URI scheme. */
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public static final byte URI_SCHEME = 0x46;
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/** Indicates a value of syntax type charset. */
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public static final byte CHARSET = 0x47;
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/** Indicates a value of syntax type language. */
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public static final byte NATURAL_LANGUAGE =0x48;
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/** Indicates a value of syntax type mime media. */
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public static final byte MIME_MEDIA_TYPE = 0x49;
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// 0x4A-0x5F reserved for character string type definitions
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// in future IETF standards track documents
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private IppValueTag()
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{
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// not to be instantiated;
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}
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/**
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* Tests if given value corresponds to a
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* value tag value.
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*
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* @param value the value to test for
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* @return <code>true</code> if, <code>false</code> otherwise.
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*/
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public static boolean isValueTag(byte value)
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{
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if(value == 0x10 || value == 0x12 || value == 0x13
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|| value == 0x21 || value == 0x22 || value == 0x23
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|| value == 0x30 || value == 0x31 || value == 0x32
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|| value == 0x33 || value == 0x35 || value == 0x36
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|| value == 0x41 || value == 0x42 || value == 0x44
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|| value == 0x45 || value == 0x46 || value == 0x47
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|| value == 0x48 || value == 0x49 )
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return true;
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return false;
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}
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}
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