我正在使用axis2创建一个基本的Web服务,该服务将以文件名作为参数,并生成一个响应SOAP数据包,其中包含附加在SOAP中的文件。
现在是客户端代码 -
以下是我创建服务代码的方式(它很简单,受Axis2示例代码启发):
public String getFile(String name) throws IOException
{
MessageContext msgCtx = MessageContext.getCurrentMessageContext();
File file = new File (name);
System.out.println("File = " + name);
System.out.println("File exists = " + file.exists());
FileDataSource fileDataSource = new FileDataSource(file);
System.out.println("fileDataSource = " + fileDataSource);
DataHandler dataHandler = new DataHandler(fileDataSource);
System.out.println("DataHandler = " + dataHandler);
String attachmentID = msgCtx.addAttachment(dataHandler);
System.out.println("attachment ID = " + attachmentID);
return attachmentID;
}
现在是客户端代码 -
MessageContext response = mepClient
.getMessageContext(WSDLConstants.MESSAGE_LABEL_IN_VALUE);
SOAPBody body = response.getEnvelope().getBody();
OMElement element = body.getFirstElement().getFirstChildWithName(
new QName("http://service.soapwithattachments.sample","return"));
String attachementId = element.getText();
System.out.println("attachment id is " + attachementId);
Attachments attachment = response.getAttachmentMap();
DataHandler dataHandler = attachment.getDataHandler(attachementId);
问题是dataHandler始终为空。尽管我认为在服务器端,文件已经被读取并与SOAP数据包一起附加。我做错了什么吗?
编辑:
我已经在axis2.xml文件中放置了<parameter name="enableSwA" locked="false">true</parameter>
。