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1: /* ObjectReferenceTemplateSeqHelper.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: package org.omg.PortableInterceptor; 39: 40: import gnu.CORBA.Minor; 41: import gnu.CORBA.typecodes.GeneralTypeCode; 42: 43: import org.omg.CORBA.Any; 44: import org.omg.CORBA.BAD_OPERATION; 45: import org.omg.CORBA.TCKind; 46: import org.omg.CORBA.TypeCode; 47: import org.omg.CORBA.portable.InputStream; 48: import org.omg.CORBA.portable.OutputStream; 49: import org.omg.CORBA.portable.Streamable; 50: 51: /** 52: * Provides static helper methods for working with the array of object reference 53: * templates. 54: * 55: * @author Audrius Meskauskas (AudriusA@Bioinformatics.org) 56: */ 57: public abstract class ObjectReferenceTemplateSeqHelper 58: { 59: /** 60: * Extract the <code>ObjectReferenceTemplate[]</code> from the given 61: * {@link Any}. This implementation expects the {@link Any} to hold the 62: * instance of {@link ObjectReferenceTemplateSeqHolder} that is returned by 63: * {@link Any#extract_Streamable() }. 64: * 65: * @param a an Any to extract the array from. 66: * 67: * @return the extracted array. 68: * 69: * @throws BAD_OPERATION if the Any contains something other than the the 70: * {@link ObjectReferenceTemplateSeqHolder}. 71: */ 72: public static ObjectReferenceTemplate[] extract(Any a) 73: { 74: try 75: { 76: ObjectReferenceTemplateSeqHolder h = (ObjectReferenceTemplateSeqHolder) 77: a.extract_Streamable(); 78: return h.value; 79: } 80: catch (ClassCastException cex) 81: { 82: BAD_OPERATION bad = new BAD_OPERATION( 83: "ObjectReferenceTemplate[] expected"); 84: bad.initCause(cex); 85: bad.minor = Minor.Any; 86: throw bad; 87: } 88: } 89: 90: /** 91: * Returns the object reference template sequence repository Id. 92: * 93: * @return "IDL:omg.org/PortableInterceptor/ObjectReferenceTemplateSeq:1.0", 94: * always. 95: */ 96: public static String id() 97: { 98: return "IDL:omg.org/PortableInterceptor/ObjectReferenceTemplateSeq:1.0"; 99: } 100: 101: /** 102: * Insert into the given <code>ObjectReferenceTemplate[]</code> into the 103: * given {@link Any}. This implementation first creates a 104: * {@link ObjectReferenceTemplateSeqHolder} and then calls 105: * {@link Any#insert_Streamable(Streamable)}. 106: * 107: * @param into the target Any. 108: * @param that the array to insert. 109: */ 110: public static void insert(Any into, ObjectReferenceTemplate[] that) 111: { 112: ObjectReferenceTemplateSeqHolder holder = 113: new ObjectReferenceTemplateSeqHolder(that); 114: into.insert_Streamable(holder); 115: } 116: 117: /** 118: * Reads the <code>ObjectReferenceTemplate[]</code> from the CORBA input 119: * stream. 120: * 121: * @param input the CORBA (not java.io) stream to read from. 122: * @return the value from the stream. 123: */ 124: public static ObjectReferenceTemplate[] read(InputStream input) 125: { 126: ObjectReferenceTemplate[] value = 127: new ObjectReferenceTemplate[input.read_long()]; 128: for (int i = 0; i < value.length; i++) 129: value[i] = ObjectReferenceTemplateHelper.read(input); 130: return value; 131: } 132: 133: /** 134: * Creates and returns a new instance of the TypeCode, corresponding the CORBA 135: * <code>ObjectReferenceTemplate[]</code>. The length of the sequence is 136: * left with the initial value 0. 137: */ 138: public static TypeCode type() 139: { 140: GeneralTypeCode t = new GeneralTypeCode(TCKind.tk_sequence); 141: t.setId(id()); 142: t.setLength(0); 143: t.setContentType(ObjectReferenceTemplateHelper.type()); 144: return t; 145: } 146: 147: /** 148: * Writes the <code>ObjectReferenceTemplate[]</code> into the given stream. 149: * 150: * @param output the CORBA (not java.io) output stream to write. 151: * @param value the value that must be written. 152: */ 153: public static void write(OutputStream output, ObjectReferenceTemplate[] value) 154: { 155: output.write_long(value.length); 156: 157: for (int i = 0; i < value.length; i++) 158: ObjectReferenceTemplateHelper.write(output, value[i]); 159: } 160: }