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1: /* ParameterModeHelper.java -- 2: Copyright (C) 2005 Free Software Foundation, Inc. 3: 4: This file is part of GNU Classpath. 5: 6: GNU Classpath is free software; you can redistribute it and/or modify 7: it under the terms of the GNU General Public License as published by 8: the Free Software Foundation; either version 2, or (at your option) 9: any later version. 10: 11: GNU Classpath is distributed in the hope that it will be useful, but 12: WITHOUT ANY WARRANTY; without even the implied warranty of 13: MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 14: General Public License for more details. 15: 16: You should have received a copy of the GNU General Public License 17: along with GNU Classpath; see the file COPYING. If not, write to the 18: Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 19: 02110-1301 USA. 20: 21: Linking this library statically or dynamically with other modules is 22: making a combined work based on this library. Thus, the terms and 23: conditions of the GNU General Public License cover the whole 24: combination. 25: 26: As a special exception, the copyright holders of this library give you 27: permission to link this library with independent modules to produce an 28: executable, regardless of the license terms of these independent 29: modules, and to copy and distribute the resulting executable under 30: terms of your choice, provided that you also meet, for each linked 31: independent module, the terms and conditions of the license of that 32: module. An independent module is a module which is not derived from 33: or based on this library. If you modify this library, you may extend 34: this exception to your version of the library, but you are not 35: obligated to do so. If you do not wish to do so, delete this 36: exception statement from your version. */ 37: 38: 39: package org.omg.CORBA; 40: 41: import gnu.CORBA.OrbRestricted; 42: 43: import org.omg.CORBA.portable.InputStream; 44: import org.omg.CORBA.portable.OutputStream; 45: 46: /** 47: * A helper operations for a method parameter modes. 48: * A method parameter can pass the value (PARAM_IN), be used as a placeholder 49: * to return the value (PARAM_OUT) or both pass the data and be used as a 50: * placeholder to return the changed value (PARAM_INOUT). 51: * 52: * @author Audrius Meskauskas, Lithuania (AudriusA@Bioinformatics.org) 53: */ 54: public abstract class ParameterModeHelper 55: { 56: /** 57: * The cached typecode value, computed only once. 58: */ 59: private static TypeCode typeCode; 60: 61: /** 62: * Insert the parameter mode into the given Any. 63: */ 64: public static void insert(Any any, ParameterMode that) 65: { 66: any.insert_Streamable(new ParameterModeHolder(that)); 67: } 68: 69: /** 70: * Extract the parameter mode from the given Any. 71: */ 72: public static ParameterMode extract(Any any) 73: { 74: return ((ParameterModeHolder) any.extract_Streamable()).value; 75: } 76: 77: /** 78: * Get the parameter mode typecode (enumeration, named "ParameterMode"). 79: * The typecode states that the enumeration can obtain one of 80: * the following values: PARAM_IN ,PARAM_OUT ,PARAM_INOUT . 81: */ 82: public static TypeCode type() 83: { 84: if (typeCode == null) 85: { 86: String[] members = 87: new String[] { "PARAM_IN", "PARAM_OUT", "PARAM_INOUT" }; 88: 89: typeCode = 90: OrbRestricted.Singleton.create_enum_tc(id(), "ParameterMode", members); 91: } 92: return typeCode; 93: } 94: 95: /** 96: * Get the parameter mode repository id. 97: * 98: * @return "IDL:omg.org/CORBA/ParameterMode:1.0", always. 99: */ 100: public static String id() 101: { 102: return "IDL:omg.org/CORBA/ParameterMode:1.0"; 103: } 104: 105: /** 106: * Read the enumeration value (as int) from the CDR intput stream. 107: * 108: * @param istream a stream to read from. 109: */ 110: public static ParameterMode read(InputStream istream) 111: { 112: return ParameterMode.from_int(istream.read_long()); 113: } 114: 115: /** 116: * Write the enumeration value (as int) to the CDR output stream. 117: * 118: * @param ostream a stream to write into. 119: * @param value a value to write. 120: */ 121: public static void write(OutputStream ostream, ParameterMode value) 122: { 123: ostream.write_long(value.value()); 124: }
GNU Classpath (0.20) |