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<xwork> ... <result-types> <result-type name="myBytesResult" class="foo.bar.MyBytesResult" /> </result-types> ... <action name="myAction" class="..."> <result name="myImageResult" type="streammyBytesResult"> <param name="contentType">${myContentType}</param> <param name="contentDisposition">${myContentDisposition}</param> <param name="contentLength">${myContentLength}</param> <param name="bufferSize">${myBufferSize}</param> <result> </action> ... </xwork> |
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public class MyAction extends ActionSupport {
public String doDefault() {
return "myImageResult";
}
public byte[] getMyImageInBytes() { .... }
public String getMyContentType() { ... }
public String getMyContentDisposition() { ... }
public int getMyContentLength() { .... }
public int getMyBufferSize() { ... }
}
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public class MyBytesResult implements Result { public void execute(ActionInvocation invocation) throws Exception { MyAction action = (MyAction) invocation.getAction(); HttpServletResponse response = ServletActionContext.getResponse(); response.setContentType(action.getContentType()); response.setContentLength(action.getContentLength()); response.getOutputStream().write(action.getImageInBytes()); response.getOutputStream().flush(); } } |