content: /**
   * 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.activemq.command;
  
  import java.io.IOException;
  import java.io.InputStream;
  import java.net.MalformedURLException;
  import java.net.URL;
  
  import jakarta.jms.JMSException;
  
  import org.apache.activemq.BlobMessage;
  import org.apache.activemq.blob.BlobDownloader;
  import org.apache.activemq.blob.BlobUploader;
  import org.apache.activemq.util.JMSExceptionSupport;
  
  /**
   * An implementation of {@link BlobMessage} for out of band BLOB transfer
   * 
   * 
   * @openwire:marshaller code="29"
   */
  public class ActiveMQBlobMessage extends ActiveMQMessage implements BlobMessage {
      public static final byte DATA_STRUCTURE_TYPE = CommandTypes.ACTIVEMQ_BLOB_MESSAGE;
  
      public static final String BINARY_MIME_TYPE = "application/octet-stream";
  
      private String remoteBlobUrl;
      private String mimeType;
      private String name;
      private boolean deletedByBroker;
  
      private transient BlobUploader blobUploader;
      private transient BlobDownloader blobDownloader;
      private transient URL url;
  
      public Message copy() {
          ActiveMQBlobMessage copy = new ActiveMQBlobMessage();
          copy(copy);
          return copy;
      }
  
      private void copy(ActiveMQBlobMessage copy) {
          super.copy(copy);
          copy.setRemoteBlobUrl(getRemoteBlobUrl());
          copy.setMimeType(getMimeType());
          copy.setDeletedByBroker(isDeletedByBroker());
          copy.setBlobUploader(getBlobUploader());
          copy.setName(getName());
      }
  
      public byte getDataStructureType() {
          return DATA_STRUCTURE_TYPE;
      }
  
      /**
       * @openwire:property version=3 cache=false
       */
      public String getRemoteBlobUrl() {
          return remoteBlobUrl;
      }
  
      public void setRemoteBlobUrl(String remoteBlobUrl) {
          this.remoteBlobUrl = remoteBlobUrl;
          url = null;
      }
  
      /**
       * The MIME type of the BLOB which can be used to apply different content
       * types to messages.
       * 
       * @openwire:property version=3 cache=true
       */
      public String getMimeType() {
          if (mimeType == null) {
              return BINARY_MIME_TYPE;
          }
          return mimeType;
      }
  
      public void setMimeType(String mimeType) {
          this.mimeType = mimeType;
      }
  
      public String getName() {
          return name;
      }
  
      /**
       * The name of the attachment which can be useful information if
       * transmitting files over ActiveMQ
       * 
       * @openwire:property version=3 cache=false
       */
      public void setName(String name) {
          this.name = name;
      }
  
      /**
       * @openwire:property version=3 cache=false
       */
      public boolean isDeletedByBroker() {
          return deletedByBroker;
      }
  
      public void setDeletedByBroker(boolean deletedByBroker) {
          this.deletedByBroker = deletedByBroker;
      }
  
      public String getJMSXMimeType() {
          return getMimeType();
      }
  
      public InputStream getInputStream() throws IOException, JMSException {
          if(blobDownloader == null) {
              return null;
          }
          return blobDownloader.getInputStream(this);
      }
  
      public URL getURL() throws JMSException {
          if (url == null && remoteBlobUrl != null) {
              try {
                  url = new URL(remoteBlobUrl);
              } catch (MalformedURLException e) {
                  throw JMSExceptionSupport.create(e);
              }
          }
          return url;
      }
  
      public void setURL(URL url) {
          this.url = url;
          remoteBlobUrl = url != null ? url.toExternalForm() : null;
      }
  
      public BlobUploader getBlobUploader() {
          return blobUploader;
      }
  
      public void setBlobUploader(BlobUploader blobUploader) {
          this.blobUploader = blobUploader;
      }
  
      public BlobDownloader getBlobDownloader() {
          return blobDownloader;
      }
  
      public void setBlobDownloader(BlobDownloader blobDownloader) {
          this.blobDownloader = blobDownloader;
      }
  
      public void onSend() throws JMSException {
          super.onSend();
  
          // lets ensure we upload the BLOB first out of band before we send the
          // message
          if (blobUploader != null) {
              try {
                  URL value = blobUploader.upload(this);
                  setURL(value);
              } catch (IOException e) {
                  throw JMSExceptionSupport.create(e);
              }
          }
      }
      
      public void deleteFile() throws IOException, JMSException {
          blobDownloader.deleteFile(this);
      }
  }
  