/* * Copyright (c) 2001-2004 Caucho Technology, Inc. All rights reserved. * * The Apache Software License, Version 1.1 * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in * the documentation and/or other materials provided with the * distribution. * * 3. The end-user documentation included with the redistribution, if * any, must include the following acknowlegement: * "This product includes software developed by the * Caucho Technology (http://www.caucho.com/)." * Alternately, this acknowlegement may appear in the software itself, * if and wherever such third-party acknowlegements normally appear. * * 4. The names "Burlap", "Resin", and "Caucho" must not be used to * endorse or promote products derived from this software without prior * written permission. For written permission, please contact * info@caucho.com. * * 5. Products derived from this software may not be called "Resin" * nor may "Resin" appear in their names without prior written * permission of Caucho Technology. * * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE * DISCLAIMED. IN NO EVENT SHALL CAUCHO TECHNOLOGY OR ITS CONTRIBUTORS * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * * @author Scott Ferguson */ package com.caucho.hessian.io; import java.io.IOException; import java.lang.reflect.Method; /** * Serializing an object for known object types. */ public class EnumSerializer extends AbstractSerializer { private Method _name; public EnumSerializer(Class cl) { // hessian/32b[12], hessian/3ab[23] if (! cl.isEnum() && cl.getSuperclass().isEnum()) cl = cl.getSuperclass(); try { _name = cl.getMethod("name", new Class[0]); } catch (Exception e) { throw new RuntimeException(e); } } public void writeObject(Object obj, AbstractHessianOutput out) throws IOException { if (out.addRef(obj)) return; Class cl = obj.getClass(); if (! cl.isEnum() && cl.getSuperclass().isEnum()) cl = cl.getSuperclass(); String name = null; try { name = (String) _name.invoke(obj, (Object[]) null); } catch (Exception e) { throw new RuntimeException(e); } int ref = out.writeObjectBegin(cl.getName()); if (ref < -1) { out.writeString("name"); out.writeString(name); out.writeMapEnd(); } else { if (ref == -1) { out.writeClassFieldLength(1); out.writeString("name"); out.writeObjectBegin(cl.getName()); } out.writeString(name); } } }