package com.text.test;

import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.Text;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.PrintWriter;
import java.net.HttpURLConnection;
import java.net.URL;

import org.eclipse.swt.SWT;
import org.eclipse.swt.events.SelectionAdapter;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.wb.swt.SWTResourceManager;

import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.Button;

public class HttpStudy {

	protected Shell shell;
	private Text text;
	private static Text text_1;

	/**
	 * Launch the application.
	 * 
	 * @param args
	 */
	public static void main(String[] args) {
		try {
			HttpStudy window = new HttpStudy();
			window.open();
		} catch (Exception e) {
			e.printStackTrace();
		}
	}

	/**
	 * Open the window.
	 */
	public void open() {
		Display display = Display.getDefault();
		createContents();
		shell.open();
		shell.layout();
		while (!shell.isDisposed()) {
			if (!display.readAndDispatch()) {
				display.sleep();
			}
		}
	}

	/**
	 * Create contents of the window.
	 * 
	 * @return
	 */
	protected Object createContents() {
		shell = new Shell();
		shell.setBackground(SWTResourceManager.getColor(SWT.COLOR_WIDGET_HIGHLIGHT_SHADOW));
		shell.setSize(490, 459);
		shell.setText("随你问");
		shell.setLayout(null);

		text = new Text(shell, SWT.WRAP);
		text.setBackground(SWTResourceManager.getColor(SWT.COLOR_TITLE_BACKGROUND_GRADIENT));
		text.setBounds(79, 49, 374, 138);
		// text.setTextLimit(20);

		text_1 = new Text(shell, SWT.WRAP);
		text_1.setBackground(SWTResourceManager.getColor(SWT.COLOR_WIDGET_BACKGROUND));
		text_1.setBounds(79, 228, 374, 138);
		text_1.setEditable(false);

		Label lblNewLabel = new Label(shell, SWT.NONE);
		lblNewLabel.setFont(SWTResourceManager.getFont("楷体", 12, SWT.NORMAL));
		lblNewLabel.setBackground(SWTResourceManager.getColor(SWT.COLOR_LIST_SELECTION_TEXT));
		lblNewLabel.setForeground(SWTResourceManager.getColor(SWT.COLOR_LIST_SELECTION));
		lblNewLabel.setBounds(37, 68, 36, 119);
		lblNewLabel.setText("请\r\n输\r\n入\r\n问\r\n题");

		Label label = new Label(shell, SWT.NONE);
		label.setText("答\r\n案\r\n点\r\n击\r\n获\r\n取");
		label.setForeground(SWTResourceManager.getColor(SWT.COLOR_LIST_SELECTION));
		label.setFont(SWTResourceManager.getFont("楷体", 12, SWT.NORMAL));
		label.setBackground(SWTResourceManager.getColor(SWT.COLOR_LIST_SELECTION_TEXT));
		label.setBounds(37, 230, 36, 119);

		Button btnNewButton = new Button(shell, SWT.NONE);
		btnNewButton.setBounds(219, 372, 80, 39);
		btnNewButton.setText("请点我");
		btnNewButton.addSelectionListener(new SelectionAdapter() {

			public void widgetSelected(SelectionEvent e) {
				String url = "http://www.tuling123.com/openapi/api";
				String key = "";
				String userid = "7788";
				String info = text.getText();
				String param = "key=" + key + "&info=" + info + "&userid=" + userid;

				HttpRunnable runnable = new HttpRunnable(url, param);
				Thread thread = new Thread(runnable);
				thread.start();

				try {
					String result = post(HttpRunnable.path, HttpRunnable.params);
					String su = result.substring(22);

					String[] tempArr = su.split("\"");
					// String key1 = tempArr[0].trim();
					String value = tempArr[1].trim();

					String str = value;
					text_1.setText(str);

				} catch (Exception e1) {
					e1.printStackTrace();
				}
			}

			public String post(String path, String params) throws Exception {
				HttpURLConnection httpConn = null;
				BufferedReader in = null;
				PrintWriter out = null;

				try {
					URL url = new URL(path);
					httpConn = (HttpURLConnection) url.openConnection();
					httpConn.setRequestMethod("POST");
					httpConn.setDoInput(true);
					httpConn.setDoOutput(true);

					// 发送post请求参数
					out = new PrintWriter(httpConn.getOutputStream());
					out.println(params);
					out.flush();

					// 读取响应
					if (httpConn.getResponseCode() == HttpURLConnection.HTTP_OK) {
						StringBuffer content = new StringBuffer();
						String tempStr = "";
						in = new BufferedReader(new InputStreamReader(httpConn.getInputStream()));
						while ((tempStr = in.readLine()) != null) {
							content.append(tempStr);
						}
						return content.toString();
					} else {
						throw new Exception("请求出现了问题");
					}
				} catch (IOException e) {
					e.printStackTrace();
				} finally {
					in.close();
					out.close();
					httpConn.disconnect();
				}
				return null;
			}
		});
		return btnNewButton;

	}
}