package net.studyinghttp;

import javax.swing.*;
import java.awt.Color;
import java.awt.*;
import java.awt.event.*;
import java.util.HashMap;

public class HttpStatusCodeFindlet extends JApplet {
	private static final long serialVersionUID = 1L;
	// 名前
	private String mMyName = "HttpStatusCodeFindlet";
	// バージョン番号
	private String mVersion = Double.toString(0.2);

	// タイトル
	private JLabel mTitle = new JLabel();
	// コンボボックス
	private JLabel mLbl4Cmb = new JLabel();
	private JComboBox mCmbCode = new JComboBox();
	// 説明句
	private JLabel mLbl4Pha = new JLabel();
	private JLabel mPhrase = new JLabel();
	// ステータスコードの解説
	private JTextArea mExplanation = new JTextArea();

	// ステータスコード用ハッシュ
	private HashMap mStatusHash = new HashMap();

	// アプレット初期化時に呼ばれるメソッド
	public void init () {
		// GUIの初期化
		guiInit();
		// ステータスコードハッシュを作る
		makeStatusHash();
		// コンボボックスを作る
		makeCmb();
	}
	
	// GUIの初期化
	private void guiInit () {
		// パネルのレイアウト
		setSize(300, 120);
		//setBackground( Color.PINK );
		setLayout(new GridBagLayout());
		
		// タイトル
		mTitle.setMinimumSize(new Dimension(280, 25));
		mTitle.setPreferredSize(new Dimension(280, 25));
		mTitle.setText(mMyName + " " + mVersion);
		add(mTitle,
			new GridBagConstraints(0, 0, 2, 1, 0, 0,
			GridBagConstraints.NORTHWEST, GridBagConstraints.BOTH,
			new Insets(10, 10, 10, 10), 0, 0));

		// コンボボックス
		mLbl4Cmb.setText("Status Code");
		add(mLbl4Cmb,
			new GridBagConstraints(0, 1, 1, 1, 0, 0,
			GridBagConstraints.NORTHWEST, GridBagConstraints.BOTH,
			new Insets(0, 10, 10, 10), 0, 0));
		mCmbCode.addActionListener(new mCmbCode_actionAdapter(this));
		add(mCmbCode,
			new GridBagConstraints(0, 2, 1, 1, 0, 0,
			GridBagConstraints.NORTHWEST, GridBagConstraints.BOTH,
			new Insets(0, 10, 10, 10), 0, 0));
		
		// 説明句
		mLbl4Pha.setText("Reason-Phrase");
		add(mLbl4Pha,
			new GridBagConstraints(1, 1, 1, 1, 0, 0,
			GridBagConstraints.NORTHWEST, GridBagConstraints.BOTH,
			new Insets(0, 10, 10, 10), 0, 0));
		add(mPhrase,
			new GridBagConstraints(1, 2, 1, 1, 0, 0,
			GridBagConstraints.NORTHWEST, GridBagConstraints.BOTH,
			new Insets(0, 10, 10, 10), 0, 0));
		
		// 説明用フィールド
		//add(mExplanation,
		//	new GridBagConstraints(0, 3, 2, 1, 0, 0,
		//	GridBagConstraints.NORTHWEST, GridBagConstraints.BOTH,
		//	new Insets(0, 10, 10, 10), 0, 0));

	}

	// ステータスコードのハッシュマップを作る
	private void makeStatusHash() {
		mStatusHash.put("---", "");
		mStatusHash.put("100", "Continue");
		mStatusHash.put("101", "Switching Protocols");
		mStatusHash.put("102", "Processing");
		mStatusHash.put("200", "OK");
		mStatusHash.put("201", "Created");
		mStatusHash.put("202", "Accepted");
		mStatusHash.put("203", "Non-Authoritative Information");
		mStatusHash.put("204", "No Content");
		mStatusHash.put("205", "Reset Content");
		mStatusHash.put("206", "Partial Content");
		mStatusHash.put("207", "Multi-Status");
		mStatusHash.put("226", "IM Used");
		mStatusHash.put("300", "Multiple Choices");
		mStatusHash.put("301", "Moved Permanently");
		mStatusHash.put("302", "Found");
		mStatusHash.put("303", "See Other");
		mStatusHash.put("304", "Not Modified");
		mStatusHash.put("305", "Use Proxy");
		mStatusHash.put("306", "Reserved");
		mStatusHash.put("307", "Temporary Redirect");
		mStatusHash.put("400", "Bad Request");
		mStatusHash.put("401", "Unauthorized");
		mStatusHash.put("402", "Payment Required");
		mStatusHash.put("403", "Forbidden");
		mStatusHash.put("404", "Not Found");
		mStatusHash.put("405", "Method Not Allowed");
		mStatusHash.put("406", "Not Acceptable");
		mStatusHash.put("407", "Proxy Authentication Required");
		mStatusHash.put("408", "Request Timeout");
		mStatusHash.put("409", "Conflict");
		mStatusHash.put("410", "Gone");
		mStatusHash.put("411", "Length Required");
		mStatusHash.put("412", "Precondition Failed");
		mStatusHash.put("413", "Request Entity Too Large");
		mStatusHash.put("414", "Request-URI Too Long");
		mStatusHash.put("415", "Unsupported Media Type");
		mStatusHash.put("416", "Requested Range Not Satisfiable");
		mStatusHash.put("417", "Expectation Failed");
		mStatusHash.put("422", "Unprocessable Entity");
		mStatusHash.put("423", "Locked");
		mStatusHash.put("424", "Failed Dependency");
		mStatusHash.put("426", "Upgrade Required");
		mStatusHash.put("500", "Internal Server Error");
		mStatusHash.put("501", "Not Implemented");
		mStatusHash.put("502", "Bad Gateway");
		mStatusHash.put("503", "Service Unavailable");
		mStatusHash.put("504", "Gateway Timeout");
		mStatusHash.put("505", "HTTP Version Not Supported");
		mStatusHash.put("506", "Variant Also Negotiates");
		mStatusHash.put("507", "Insufficient Storage");
		mStatusHash.put("510", "Not Extended");
	}


	// コンボボックスを作る
	private void makeCmb() {
		mCmbCode.addItem("---");  // 先頭
		for (int i=100; i<=599; i++) {
			if (mStatusHash.containsKey(new Integer(i).toString())) {
				mCmbCode.addItem( new Integer(i).toString() );
			}
		}
	}

	// コンボボックスを選択した時のイベントハンドラ
	public void mCmbCode_actionPerformed(ActionEvent e) {
		mPhrase.setText( mStatusHash.get( mCmbCode.getSelectedItem() ).toString() );
	}
}

class mCmbCode_actionAdapter implements ActionListener {
	  HttpStatusCodeFindlet adaptee;

	  mCmbCode_actionAdapter(HttpStatusCodeFindlet adaptee) {
	    this.adaptee = adaptee;
	  }
	  public void actionPerformed(ActionEvent e) {
	    adaptee.mCmbCode_actionPerformed(e);
	  }
}