htmlstream.java

一款J2ME浏览器

package com.lightspeedleader.browser;

import javax.microedition.io.Connector;
import javax.microedition.io.HttpConnection;
import javax.microedition.lcdui.Font;
import javax.microedition.lcdui.Image;
import java.io.*;
import java.util.Vector;

public class HTMLStream {

    HttpConnection conn;
    InputStream is;
    ByteArrayInputStream FE;
    InputStreamReader FF;
    int total;
    int _fld0100;
    byte buffer[];
    String _fld0101;
    String _fld0102;
    String _fld0103;
    public static int vx = 0;
    public static int vy = 0;
    public static int slen;
    Vector sv;
    int CanvasWidth;
    int CanvasHeight;
    Font font;
    int fontHeight;
    int _fld0104;
    int _fld0105;
    int _fld0106;
    int _fld0107;
    public static int lcolor = 255;
    Vector _fld0108;
    HotSpot hs;
    boolean _fld0109;
    public static int hsindex = 0;
    public static Vector hsvector = new Vector(1);
    public static int formindex = -1;
    public static Vector formvector = new Vector(1);
    boolean _fld010A;
    boolean _fld010B;
    boolean _fld010C;
    String _fld010D;
    boolean _fld010E;
    boolean _fld010F;
    boolean _fld0110;
    boolean _fld0111;
    int _fld0112;
    int _fld0113[];
    int _fld0114;
    public static GifFrame GF;
    public static VideoFrame VF;
    public static String ErrorLine;

    public HTMLStream(String s) {
        _fld0104 = 3;
        _fld0105 = 3;
        _fld0106 = 0xffffff;
        _fld0107 = 0;
        _fld0108 = new Vector(1);
        _fld0109 = false;
        _fld010A = false;
        _fld010B = false;
        _fld010C = false;
        _fld010D = "";
        _fld010E = false;
        _fld010F = false;
        _fld0110 = false;
        _fld0111 = false;
        _fld0112 = 0;
        _fld0113 = new int[8];
        _fld0114 = 16;
        HTMLStreamX(s, "");
    }

    HTMLStream(String s, String s1) {
        _fld0104 = 3;
        _fld0105 = 3;
        _fld0106 = 0xffffff;
        _fld0107 = 0;
        _fld0108 = new Vector(1);
        _fld0109 = false;
        _fld010A = false;
        _fld010B = false;
        _fld010C = false;
        _fld010D = "";
        _fld010E = false;
        _fld010F = false;
        _fld0110 = false;
        _fld0111 = false;
        _fld0112 = 0;
        _fld0113 = new int[8];
        _fld0114 = 16;
        HTMLStreamX(s, s1);
    }

    public void HTMLStreamX(String s, String s1) {
        Runtime.getRuntime().gc();
        MapCanvas _tmp = JCellBrowser.mc;
        MapCanvas.LoadFlag = true;
        JCellBrowser.mc.repaint();
        JCellBrowser.mc.serviceRepaints();
        if (!s.startsWith("http://")) {
            s = "http://" + s;
        }
        _fld0101 = s;
        _fld0102 = Tools.GetURLRoot(_fld0101);
        _fld0103 = Tools.GetURLBase(_fld0101);
        total = 0;
        _fld0100 = 0;
        buffer = null;
        int i = 999;
        try {
            if ((buffer = JCellBrowser.cachepool.getCache(s)) == null) {
                conn = (HttpConnection) Connector.open(s);
                if (s1.length() > 0) {
                    conn.setRequestMethod("POST");
                    conn.setRequestProperty("User-Agent", "Profile/MIDP-1.0 Configuration/CLDC-1.0");
                    conn.setRequestProperty("Content-Language", "en-US");
                    conn.setRequestProperty("Content-Type", "application/x-www-form-urlencoded");
                    conn.setRequestProperty("Content-Length", "" + s1.length());
                    conn.setRequestProperty("Cache-Control", "no-store");
                    conn.setRequestProperty("Pragma", "no-cache");
                    conn.setRequestProperty("Expires", "Tue, 1 Jul 1997 00:00:00 GMT");
                    OutputStream outputstream = conn.openOutputStream();
                    outputstream.write(s1.getBytes());
                    outputstream.flush();
                    outputstream.close();
                }
                if (((i = conn.getResponseCode()) == 301 || (i = conn.getResponseCode()) == 302) && s1.length() == 0) {
                    s = conn.getHeaderField("Location");
                    if (s != null) {
                        JCellBrowser.pageurl = s;
                    }
                    _fld0101 = s;
                    _fld0102 = Tools.GetURLRoot(_fld0101);
                    _fld0103 = Tools.GetURLBase(_fld0101);
                    conn.close();
                    conn = (HttpConnection) Connector.open(s);
                }
                if ((i = conn.getResponseCode()) != 200) {
                    throw new Exception();
                }
                total = (int) conn.getLength();
                if (total > 0) {
                    buffer = new byte[total];
                    DataInputStream datainputstream = conn.openDataInputStream();
                    datainputstream.readFully(buffer);
                    datainputstream.close();
                    if (s1.length() == 0 && s.indexOf('?') == -1) {
                        JCellBrowser.cachepool.setCache(s, buffer);
                    }
                } else {
                    is = conn.openInputStream();
                }
            } else {
                total = buffer.length;
            }
        }
        catch (Exception exception) {
            String s2 = "<center>JCellBrowser Error<br>" + i + "</center><hr size=2>Document <u>" + _fld0101 + "</u> is not found.";
            if (i == 999) {
                s2 = s2 + "<hr>" + exception.toString();
            }
            buffer = s2.getBytes();
            total = buffer.length;
        }
        if (total > 0) {
            FE = new ByteArrayInputStream(buffer, 0, total);
            try {
                FF = new InputStreamReader(FE, JCellBrowser.encoding);
            }
            catch (Exception exception1) {
                FF = new InputStreamReader(FE);
            }
        } else {
            try {
                FF = new InputStreamReader(is, JCellBrowser.encoding);
            }
            catch (Exception exception2) {
                FF = new InputStreamReader(is);
            }
        }
        sv = new Vector(32);
        _mth0100();
        buffer = null;
        try {
            if (FF != null) {
                FF.close();
                FF = null;
            }
            if (FE != null) {
                FE.close();
                FE = null;
            }
            if (is != null) {
                is.close();
                is = null;
            }
            if (conn != null) {
                conn.close();
                conn = null;
            }
        }
        catch (Exception exception3) {
        }
        CanvasWidth = MapCanvas.CanvasWidth;
        CanvasHeight = MapCanvas.CanvasHeight;
        font = MapCanvas.font;
        fontHeight = 0;
        MapCanvas.VG.reset();
        render(MapCanvas.VG);
        sv.removeAllElements();
        sv = null;
        MapCanvas _tmp1 = JCellBrowser.mc;
        MapCanvas.LoadFlag = false;
    }

    String FE() {
        StringBuffer stringbuffer = new StringBuffer();
        int i = -1;
        do {
            try {
                if ((i = FF.read()) == -1) {
                    break;
                }
                char c = (char) i;
                if (c == '\n') {
                    break;
                }
                if (c != '\r') {
                    stringbuffer.append(c);
                }
                continue;
            }
            catch (Exception exception) {
            }
            break;
        } while (true);
        if (stringbuffer.length() == 0) {
            if (i == -1) {
                return null;
            } else {
                return "";
            }
        } else {
            return stringbuffer.toString();
        }
    }

    String FF(String s) {
        if (s.startsWith("http://")) {
            return s;
        }
        if (s.startsWith("#")) {
            return JCellBrowser.pageurl;
        }
        if (s.startsWith("/") || s.startsWith("\\")) {
            s = s.substring(1);
            return _fld0102 + s;
        } else {
            return _fld0103 + s;
        }
    }

    void _mth0100() {
        String s = "";
        do {
            String s1;
            if ((s1 = FE()) == null) {
                break;
            }
            s1 = s1.trim();
            if (s1.length() != 0) {
                if (s.length() > 0) {
                    s = s + " ";
                }
                do {
                    int i;
                    if ((i = s1.indexOf("<")) != -1) {
                        s = s + s1.substring(0, i);
                        if (s.length() > 0) {
                            sv.addElement(s);
                        }
                        s = "<";
                        s1 = s1.substring(i + 1);
                    }
                    if ((i = s1.indexOf(">")) != -1) {
                        s = s + s1.substring(0, i + 1);
                        if (s.length() > 0) {
                            sv.addElement(s);
                        }
                        s = "";
                        s1 = s1.substring(i + 1);
                    }
                } while (s1.indexOf("<") != -1 || s1.indexOf(">") != -1);
                s = s + s1;
            }
        } while (true);
        if (s.length() > 0) {
            sv.addElement(s);
        }
    }

    Vector _mth0101(String s) {
        Vector vector = new Vector(1);
        String s1 = "";
        String s2;
        for (int i = 1; (s2 = Tools.GetTokenZ(s, i, '"', true)) != null; i++) {
            if (i % 2 == 0) {
                s2 = Tools.RepString(s2, " ", "_");
            }
            s1 = s1 + s2;
        }

        s1 = Tools.RepString(s1, "= ", "=");
        s1 = Tools.RepString(s1, "<", "");
        s1 = Tools.RepString(s1, "/>", ">");
        s1 = Tools.RepString(s1, ">", "");
        String s3;
        for (int j = 1; (s3 = Tools.GetTokenZ(s1, j, ' ', true)) != null; j++) {
            vector.addElement(s3);
        }

        return vector;
    }

    public int strWidth(String s) {
        return font.stringWidth(s);
    }

    int strHeight() {
        if (fontHeight == 0) {
            fontHeight = font.getHeight() - 2;
        }
        return fontHeight;
    }

    void _mth0102() {
        _fld0108.removeAllElements();
    }

    void _mth0103(VirtualGraphics virtualgraphics, String s, int i, int j) {
        if (_fld0109) {
            _fld0109 = false;
            if (s.startsWith(" ")) {
                hs.bx += slen;
            }
        }
        if (!_fld010C) {
            virtualgraphics.drawString(s, i, j, 20);
            if (_fld010A) {
                virtualgraphics.drawString(s, i + 1, j, 20);
            }
            if (_fld010F || _fld0111) {
                int k = j + strHeight();
                int l = i;
                if (_fld0110 && l != 0) {
                    virtualgraphics.drawLine(l + slen, k, l + strWidth(s), k);
                } else {
                    virtualgraphics.drawLine(l, k, l + strWidth(s), k);
                }
                _fld0110 = false;
            }
        } else {
            boolean flag = false;
            boolean flag1 = false;
            if (_fld010A) {
                flag = true;
            }
            if (_fld010F || _fld0111) {
                flag1 = true;
            }
            CenterText centertext = new CenterText(s, flag, flag1);
            _fld0108.addElement(centertext);
            if (_fld010E) {
                String s1 = "";
                for (int i1 = 0; i1 < _fld0108.size(); i1++) {
                    CenterText centertext1 = (CenterText) _fld0108.elementAt(i1);
                    s1 = s1 + centertext1.text;
                }

                int j1 = (CanvasWidth - strWidth(s1)) / 2;
                for (int k1 = 0; k1 < _fld0108.size(); k1++) {
                    CenterText centertext2 = (CenterText) _fld0108.elementAt(k1);
                    virtualgraphics.drawString(centertext2.text, j1, j, 20);