| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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.axiom.om.util.jaxb; |
| |
| import java.io.UnsupportedEncodingException; |
| import java.net.URLDecoder; |
| |
| import javax.activation.DataHandler; |
| import javax.xml.bind.attachment.AttachmentUnmarshaller; |
| |
| import org.apache.axiom.om.OMAttachmentAccessor; |
| |
| final class AttachmentUnmarshallerImpl extends AttachmentUnmarshaller { |
| private final OMAttachmentAccessor attachmentAccessor; |
| |
| AttachmentUnmarshallerImpl(OMAttachmentAccessor attachmentAccessor) { |
| this.attachmentAccessor = attachmentAccessor; |
| } |
| /** |
| * Extract the content ID from a URL following the cid scheme defined by RFC2392. |
| * |
| * @param url the URL |
| * @return the corresponding content ID |
| * @throws IllegalArgumentException if the URL doesn't use the cid scheme |
| */ |
| private static String getContentIDFromURL(String url) { |
| if (url.startsWith("cid:")) { |
| try { |
| // URIs should always be decoded using UTF-8 (see AXIOM-129). On the |
| // other hand, since non ASCII characters are not allowed in content IDs, |
| // we can simply decode using ASCII (which is a subset of UTF-8) |
| return URLDecoder.decode(url.substring(4), "ascii"); |
| } catch (UnsupportedEncodingException ex) { |
| // We should never get here |
| throw new Error(ex); |
| } |
| } else { |
| throw new IllegalArgumentException("The URL doesn't use the cid scheme"); |
| } |
| } |
| |
| @Override |
| public byte[] getAttachmentAsByteArray(String cid) { |
| // TODO |
| throw new UnsupportedOperationException(); |
| } |
| |
| @Override |
| public DataHandler getAttachmentAsDataHandler(String cid) { |
| DataHandler dh = attachmentAccessor.getDataHandler(getContentIDFromURL(cid)); |
| if (dh == null) { |
| throw new IllegalArgumentException("No MIME part found for content ID '" + cid + "'"); |
| } else { |
| return dh; |
| } |
| } |
| |
| @Override |
| public boolean isXOPPackage() { |
| return true; |
| } |
| } |