001/** 002 * Licensed to the Apache Software Foundation (ASF) under one or more 003 * contributor license agreements. See the NOTICE file distributed with 004 * this work for additional information regarding copyright ownership. 005 * The ASF licenses this file to You under the Apache License, Version 2.0 006 * (the "License"); you may not use this file except in compliance with 007 * the License. You may obtain a copy of the License at 008 * 009 * http://www.apache.org/licenses/LICENSE-2.0 010 * 011 * Unless required by applicable law or agreed to in writing, software 012 * distributed under the License is distributed on an "AS IS" BASIS, 013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 014 * See the License for the specific language governing permissions and 015 * limitations under the License. 016 */ 017package org.apache.activemq; 018 019import java.io.IOException; 020import java.io.InputStream; 021import java.net.MalformedURLException; 022import java.net.URL; 023 024import javax.jms.JMSException; 025 026/** 027 * Represents a message which has a typically out of band Binary Large Object 028 * (BLOB) 029 * 030 * 031 */ 032public interface BlobMessage extends Message { 033 034 /** 035 * Return the input stream to process the BLOB 036 */ 037 InputStream getInputStream() throws IOException, JMSException; 038 039 /** 040 * Returns the URL for the blob if its available as an external URL (such as file, http, ftp etc) 041 * or null if there is no URL available 042 */ 043 URL getURL() throws MalformedURLException, JMSException; 044 045 046 /** 047 * The MIME type of the BLOB which can be used to apply different content types to messages. 048 */ 049 String getMimeType(); 050 051 /** 052 * Sets the MIME type of the BLOB so that a consumer can process things nicely with a Java Activation Framework 053 * DataHandler 054 */ 055 void setMimeType(String mimeType); 056 057 058 String getName(); 059 060 /** 061 * The name of the attachment which can be useful information if transmitting files over ActiveMQ 062 */ 063 void setName(String name); 064}