| /* |
| * Copyright 2001-2004 The Apache Software Foundation. |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package org.apache.axis.attachments; |
| |
| import org.apache.axis.AxisFault; |
| import org.apache.axis.Part; |
| import org.apache.axis.utils.Messages; |
| |
| import javax.activation.DataHandler; |
| |
| /** |
| * This class allow access to the Jaf data handler in AttachmentPart. |
| * |
| * @author Rick Rineholt |
| */ |
| public class AttachmentUtils { |
| |
| private AttachmentUtils() { |
| } |
| // no one should create. |
| |
| /** |
| * Obtain the DataHandler from the part. |
| * @param part the part containing the Java Activiation Framework data source. |
| * @return The Java activation data handler. |
| * |
| * @throws AxisFault |
| */ |
| public static DataHandler getActivationDataHandler(Part part) |
| throws AxisFault { |
| |
| if (null == part) { |
| throw new AxisFault(Messages.getMessage("gotNullPart")); |
| } |
| |
| if (!(part instanceof AttachmentPart)) { |
| throw new AxisFault( |
| Messages.getMessage( |
| "unsupportedAttach", part.getClass().getName(), |
| AttachmentPart.class.getName())); |
| } |
| |
| return ((AttachmentPart) part).getActivationDataHandler(); |
| } |
| |
| /** |
| * Determine if an object is to be treated as an attchment. |
| * |
| * @param value the value that is to be determined if |
| * its an attachment. |
| * |
| * @return True if value should be treated as an attchment. |
| */ |
| public static boolean isAttachment(Object value) { |
| |
| if (null == value) { |
| return false; |
| } |
| |
| return value instanceof javax.activation.DataHandler; |
| } |
| } |