/*
    * Copyright (C) 2007-2012 Argeo GmbH
    *
    * 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.argeo.slc.core.execution.tasks;
  
  import java.util.ArrayList;
  import java.util.HashMap;
  import java.util.List;
  import java.util.Map;
  import java.util.UUID;
  
  import org.argeo.slc.SlcException;
  import org.argeo.slc.core.attachment.Attachment;
  import org.argeo.slc.core.attachment.AttachmentUploader;
  import org.argeo.slc.core.attachment.AttachmentsEnabled;
  import org.springframework.core.io.Resource;
  
  public class UploadAttachments implements Runnable {
  	private AttachmentUploader attachmentUploader;
  	private Attachment attachment = null;
  	private Resource resource = null;
  	private Map<Attachment, Resource> attachments = new HashMap<Attachment, Resource>();
  	private List<AttachmentsEnabled> attachTo = new ArrayList<AttachmentsEnabled>();
  	private Boolean newUuidPerExecution = true;
  
  	public void run() {
  		if (attachment != null) {
  			if (resource == null)
  				throw new SlcException("A resource must be specified.");
  			uploadAndAdd(attachment, resource);
  		}
  
  		for (Attachment attachmentT : attachments.keySet()) {
  			Resource resourceT = attachments.get(attachmentT);
  			uploadAndAdd(attachmentT, resourceT);
  		}
  
  	}
  
  	protected void uploadAndAdd(Attachment attachment, Resource resource) {
  		if (newUuidPerExecution)
  			attachment.setUuid(UUID.randomUUID().toString());
  		attachmentUploader.upload(attachment, resource);
  		for (AttachmentsEnabled attachmentsEnabled : attachTo) {
  			attachmentsEnabled.addAttachment(attachment);
  		}
  	}
  
  	public void setAttachmentUploader(AttachmentUploader attachmentUploader) {
  		this.attachmentUploader = attachmentUploader;
  	}
  
  	public void setAttachments(Map<Attachment, Resource> attachments) {
  		this.attachments = attachments;
  	}
  
  	public void setAttachTo(List<AttachmentsEnabled> attachTo) {
  		this.attachTo = attachTo;
  	}
  
  	public void setAttachment(Attachment attachment) {
  		this.attachment = attachment;
  	}
  
  	public void setResource(Resource resource) {
  		this.resource = resource;
  	}
  
  	public void setNewUuidPerExecution(Boolean newUuidPerExecution) {
  		this.newUuidPerExecution = newUuidPerExecution;
  	}
  
  }