public RequestMessageEditor(Composite parent, final IHttpRequestBuilder builder) {
super(parent, SWT.NONE);
setLayout(new FillLayout());
this.builder = builder;
requestParser = new HttpRequestParser(this.builder, false);
messageViewer = new HttpMessageEditor(this);
messageViewer.setEditable(true);
messageViewer.setDisplayImages(true);
messageViewer.setDisplayImagesAsHex(true);