| /* |
| * Copyright (c) 1997, 2012, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle in the LICENSE file that accompanied this code. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| package com.sun.xml.internal.ws.api.model; |
| |
| /** |
| * Denotes the binding of a parameter. |
| * |
| * <p> |
| * This is somewhat like an enumeration (but it is <b>NOT</b> an enumeration.) |
| * |
| * <p> |
| * The possible values are |
| * BODY, HEADER, UNBOUND, and ATTACHMENT. BODY, HEADER, and UNBOUND |
| * has a singleton semantics, but there are multiple ATTACHMENT instances |
| * as it carries additional MIME type parameter. |
| * |
| * <p> |
| * So don't use '==' for testing the equality. |
| */ |
| public final class ParameterBinding { |
| /** |
| * Singleton instance that represents 'BODY' |
| */ |
| public static final ParameterBinding BODY = new ParameterBinding(Kind.BODY,null); |
| /** |
| * Singleton instance that represents 'HEADER' |
| */ |
| public static final ParameterBinding HEADER = new ParameterBinding(Kind.HEADER,null); |
| /** |
| * Singleton instance that represents 'UNBOUND', |
| * meaning the parameter doesn't have a representation in a SOAP message. |
| */ |
| public static final ParameterBinding UNBOUND = new ParameterBinding(Kind.UNBOUND,null); |
| /** |
| * Creates an instance that represents the attachment |
| * with a given MIME type. |
| * |
| * <p> |
| * TODO: shall we consider givint the singleton semantics by using |
| * a cache? It's more elegant to do so, but |
| * no where in JAX-WS RI two {@link ParameterBinding}s are compared today, |
| */ |
| public static ParameterBinding createAttachment(String mimeType) { |
| return new ParameterBinding(Kind.ATTACHMENT,mimeType); |
| } |
| |
| /** |
| * Represents 4 kinds of binding. |
| */ |
| public static enum Kind { |
| BODY, HEADER, UNBOUND, ATTACHMENT; |
| } |
| |
| |
| /** |
| * Represents the kind of {@link ParameterBinding}. |
| * Always non-null. |
| */ |
| public final Kind kind; |
| |
| /** |
| * Only used with attachment binding. |
| */ |
| private String mimeType; |
| |
| private ParameterBinding(Kind kind,String mimeType) { |
| this.kind = kind; |
| this.mimeType = mimeType; |
| } |
| |
| |
| |
| public String toString() { |
| return kind.toString(); |
| } |
| |
| /** |
| * Returns the MIME type associated with this binding. |
| * |
| * @throws IllegalStateException |
| * if this binding doesn't represent an attachment. |
| * IOW, if {@link #isAttachment()} returns false. |
| * @return |
| * Can be null, if the MIME type is not known. |
| */ |
| public String getMimeType() { |
| if(!isAttachment()) |
| throw new IllegalStateException(); |
| return mimeType; |
| } |
| |
| public boolean isBody(){ |
| return this==BODY; |
| } |
| |
| public boolean isHeader(){ |
| return this==HEADER; |
| } |
| |
| public boolean isUnbound(){ |
| return this==UNBOUND; |
| } |
| |
| public boolean isAttachment(){ |
| return kind==Kind.ATTACHMENT; |
| } |
| } |