javaxt.html.Form Maven / Gradle / Ivy

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package javaxt.html;

//******************************************************************************
//**  HTML Form
//******************************************************************************
/**
 * Used to post html form data to an http server. Supports both HTTP GET and
 * POST methods.
 *
 ******************************************************************************/

public class Form {

	private String name;
	private String method = "post";
	private String action = "";
	private java.util.ArrayList inputs = new java.util.ArrayList();

	// **************************************************************************
	// ** Constructor
	// **************************************************************************
	/**
	 * Creates a new instance of this class.
	 * 
	 * @param method
	 *            HTTP request method (e.g. "GET" or "POST")
	 * @param action
	 *            URL to send the form data.
	 */
	public Form(String method, String action) {
		this.method = method;
		this.action = action;
	}

	public void setName(String name) {
		this.name = name;
	}

	public void addInput(String name, String value) {
		inputs.add(new Input(name, value));
	}

	public void addInput(Input input) {
		inputs.add(input);
	}

	// **************************************************************************
	// ** setMethod
	// **************************************************************************
	/**
	 * @param method
	 *            HTTP request method (e.g. "GET" or "POST")
	 */
	public void setMethod(String method) {
		this.method = method;
	}

	// **************************************************************************
	// ** setAction
	// **************************************************************************
	/**
	 * @param action
	 *            URL to send the form data.
	 */
	public void setAction(String action) {
		this.action = action;
	}

	// **************************************************************************
	// ** submit
	// **************************************************************************
	/**
	 * Used to submit the form data. Returns the http response from the server.
	 */
	public javaxt.http.Response submit() {

		// Convert the form inputs into a request
		StringBuffer payload = new StringBuffer();
		for (int i = 0; i < inputs.size(); i++) {
			if (i > 0)
				payload.append("&");
			payload.append(inputs.get(i).toString());
		}

		javaxt.http.Request request = null;
		if (method.equalsIgnoreCase("post")) {

			// Instantiate HTTP request
			request = new javaxt.http.Request(action);
			request.addHeader("Content-Type", "application/x-www-form-urlencoded");

			// Send the http request
			request.write(payload.toString());
		} else {
			javaxt.utils.URL url = new javaxt.utils.URL(action);
			payload.append("&" + url.getQueryString());
			url.setQueryString(url.getQueryString() + "&" + payload.toString());
			request = new javaxt.http.Request(url.toString());
		}

		// Return the response
		return request.getResponse();

	}
}