1096N/A/*
2362N/A * Copyright (c) 2009, Oracle and/or its affiliates. All rights reserved.
1096N/A * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
1096N/A *
1096N/A * This code is free software; you can redistribute it and/or modify it
1096N/A * under the terms of the GNU General Public License version 2 only, as
2362N/A * published by the Free Software Foundation. Oracle designates this
1096N/A * particular file as subject to the "Classpath" exception as provided
2362N/A * by Oracle in the LICENSE file that accompanied this code.
1096N/A *
1096N/A * This code is distributed in the hope that it will be useful, but WITHOUT
1096N/A * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
1096N/A * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
1096N/A * version 2 for more details (a copy is included in the LICENSE file that
1096N/A * accompanied this code).
1096N/A *
1096N/A * You should have received a copy of the GNU General Public License version
1096N/A * 2 along with this work; if not, write to the Free Software Foundation,
1096N/A * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
1096N/A *
2362N/A * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
2362N/A * or visit www.oracle.com if you need additional information or have any
2362N/A * questions.
1096N/A */
1096N/Apackage sun.nio.ch;
1096N/A
1096N/A/**
1096N/A * Wraps the actual message or notification so that it can be
1096N/A * set and returned from the native receive implementation.
1096N/A */
1096N/Apublic class SctpResultContainer {
1096N/A /* static final ints so that they can be referenced from native */
1096N/A static final int NOTHING = 0;
1096N/A static final int MESSAGE = 1;
1096N/A static final int SEND_FAILED = 2;
1096N/A static final int ASSOCIATION_CHANGED = 3;
1096N/A static final int PEER_ADDRESS_CHANGED = 4;
1096N/A static final int SHUTDOWN = 5;
1096N/A
1096N/A private Object value;
1096N/A private int type;
1096N/A
1096N/A int type() {
1096N/A return type;
1096N/A }
1096N/A
1096N/A boolean hasSomething() {
1096N/A return type() != NOTHING;
1096N/A }
1096N/A
1096N/A boolean isNotification() {
1096N/A return type() != MESSAGE && type() != NOTHING ? true : false;
1096N/A }
1096N/A
1096N/A void clear() {
1096N/A type = NOTHING;
1096N/A value = null;
1096N/A }
1096N/A
1096N/A SctpNotification notification() {
1096N/A assert type() != MESSAGE && type() != NOTHING;
1096N/A
1096N/A return (SctpNotification) value;
1096N/A }
1096N/A
1096N/A SctpMessageInfoImpl getMessageInfo() {
1096N/A assert type() == MESSAGE;
1096N/A
1096N/A if (value instanceof SctpMessageInfoImpl)
1096N/A return (SctpMessageInfoImpl) value;
1096N/A
1096N/A return null;
1096N/A }
1096N/A
1096N/A SctpSendFailed getSendFailed() {
1096N/A assert type() == SEND_FAILED;
1096N/A
1096N/A if (value instanceof SctpSendFailed)
1096N/A return (SctpSendFailed) value;
1096N/A
1096N/A return null;
1096N/A }
1096N/A
1096N/A SctpAssocChange getAssociationChanged() {
1096N/A assert type() == ASSOCIATION_CHANGED;
1096N/A
1096N/A if (value instanceof SctpAssocChange)
1096N/A return (SctpAssocChange) value;
1096N/A
1096N/A return null;
1096N/A }
1096N/A
1096N/A SctpPeerAddrChange getPeerAddressChanged() {
1096N/A assert type() == PEER_ADDRESS_CHANGED;
1096N/A
1096N/A if (value instanceof SctpPeerAddrChange)
1096N/A return (SctpPeerAddrChange) value;
1096N/A
1096N/A return null;
1096N/A }
1096N/A
1096N/A SctpShutdown getShutdown() {
1096N/A assert type() == SHUTDOWN;
1096N/A
1096N/A if (value instanceof SctpShutdown)
1096N/A return (SctpShutdown) value;
1096N/A
1096N/A return null;
1096N/A }
1096N/A
1096N/A @Override
1096N/A public String toString() {
1096N/A StringBuilder sb = new StringBuilder();
1096N/A sb.append("Type: ");
1096N/A switch (type) {
1096N/A case NOTHING: sb.append("NOTHING"); break;
1096N/A case MESSAGE: sb.append("MESSAGE"); break;
1096N/A case SEND_FAILED: sb.append("SEND FAILED"); break;
1096N/A case ASSOCIATION_CHANGED: sb.append("ASSOCIATION CHANGE"); break;
1096N/A case PEER_ADDRESS_CHANGED: sb.append("PEER ADDRESS CHANGE"); break;
1096N/A case SHUTDOWN: sb.append("SHUTDOWN"); break;
1096N/A default : sb.append("Unknown result type");
1096N/A }
1326N/A sb.append(", Value: ");
1326N/A sb.append((value == null) ? "null" : value.toString());
1326N/A return sb.toString();
1096N/A }
1096N/A}