synthparser.java

JAVA的一些源码 JAVA2 STANDARD EDITION DEVELOPMENT KIT 5.0

                        state |= SynthConstants.SELECTED;
                    }
                    else if (stateString == "DEFAULT") {
                        state |= SynthConstants.DEFAULT;
                    }
                    else if (stateString != "AND") {
                        throw new SAXException("Unknown state: " + state);
                    }
                }
            }
        }
        if (_stateInfo == null) {
            _stateInfo = new ParsedSynthStyle.StateInfo();
        }
        _stateInfo.setComponentState(state);
        register(id, _stateInfo);
        _stateInfos.add(_stateInfo);
    }

    private void endState() throws SAXException {
        int size = _statePainters.size();
        if (size > 0) {
            _stateInfo.setPainters((ParsedSynthStyle.PainterInfo[])
                  _statePainters.toArray(new ParsedSynthStyle.
                  PainterInfo[size]));
            _statePainters.clear();
        }
        _stateInfo = null;
    }

    private void startFont(AttributeList attributes) throws SAXException {
        Font font = null;
        int style = Font.PLAIN;
        int size = 0;
        String id = null;
        String name = null;

        for(int i = attributes.getLength() - 1; i >= 0; i--) {
            String key = attributes.getName(i);
            if (key.equals(ATTRIBUTE_ID)) {
                id = attributes.getValue(i);
            }
            else if (key.equals(ATTRIBUTE_IDREF)) {
                font = (Font)lookup(attributes.getValue(i), Font.class);
            }
            else if (key.equals(ATTRIBUTE_NAME)) {
                name = attributes.getValue(i);
            }
            else if (key.equals(ATTRIBUTE_SIZE)) {
                try {
                    size = Integer.parseInt(attributes.getValue(i));
                } catch (NumberFormatException nfe) {
                    throw new SAXException("Invalid font size: " +
                                           attributes.getValue(i));
                }
            }
            else if (key.equals(ATTRIBUTE_STYLE)) {
                StringTokenizer tok = new StringTokenizer(
                                                attributes.getValue(i));
                while (tok.hasMoreTokens()) {
                    String token = tok.nextToken().intern();
                    if (token == "BOLD") {
                        style = ((style | Font.PLAIN) ^ Font.PLAIN) |
                                Font.BOLD;
                    }
                    else if (token == "ITALIC") {
                        style |= Font.ITALIC;
                    }
                }
            }
        }
        if (font == null) {
            if (name == null) {
                throw new SAXException("You must define a name for the font");
            }
            if (size == 0) {
                throw new SAXException("You must define a size for the font");
            }
            font = new FontUIResource(name, style, size);
        }
        else if (name != null || size != 0 || style != Font.PLAIN) {
            throw new SAXException("Name, size and style are not for use " +
                                   "with idref");
        }
        register(id, font);
        if (_stateInfo != null) {
            _stateInfo.setFont(font);
        }
        else if (_style != null) {
            _style.setFont(font);
        }
    }

    private void startColor(AttributeList attributes) throws SAXException {
        Color color = null;
        String id = null;

        _colorTypes.clear();
        for(int i = attributes.getLength() - 1; i >= 0; i--) {
            String key = attributes.getName(i);
            if (key.equals(ATTRIBUTE_ID)) {
                id = attributes.getValue(i);
            }
            else if (key.equals(ATTRIBUTE_IDREF)) {
                color = (Color)lookup(attributes.getValue(i), Color.class);
            }
            else if (key.equals(ATTRIBUTE_NAME)) {
            }
            else if (key.equals(ATTRIBUTE_VALUE)) {
                String value = attributes.getValue(i);

                if (value.startsWith("#")) {
                    try {
                        int rgba = Integer.decode(value).intValue();
                        color = new ColorUIResource(new Color(
                                              rgba, value.length() > 7));
                    } catch (NumberFormatException nfe) {
                        throw new SAXException("Invalid Color value: " +value);
                    }
                }
                else {
                    try {
                        color = new ColorUIResource((Color)Color.class.
                              getField(value.toUpperCase()).get(Color.class));
                    } catch (NoSuchFieldException nsfe) {
                        throw new SAXException("Invalid color name: " + value);
                    } catch (IllegalAccessException iae) {
                        throw new SAXException("Invalid color name: " + value);
                    }
                }
            }
            else if (key.equals(ATTRIBUTE_TYPE)) {
                StringTokenizer tokenizer = new StringTokenizer(
                                   attributes.getValue(i));
                while (tokenizer.hasMoreTokens()) {
                    String typeName = tokenizer.nextToken();
                    int classIndex = typeName.lastIndexOf('.');
                    Class typeClass;

                    if (classIndex == -1) {
                        typeClass = ColorType.class;
                        classIndex = 0;
                    }
                    else {
                        try {
                            typeClass = Class.forName(typeName.substring(
                                                      0, classIndex));
                        } catch (ClassNotFoundException cnfe) {
                            throw new SAXException("Unknown class: " +
                                      typeName.substring(0, classIndex));
                        }
                        classIndex++;
                    }
                    try {
                        _colorTypes.add((ColorType)checkCast(typeClass.
                              getField(typeName.substring(classIndex,
                              typeName.length() - classIndex)).
                              get(typeClass), ColorType.class));
                    } catch (NoSuchFieldException nsfe) {
                        throw new SAXException("Unable to find color type: " +
                                               typeName);
                    } catch (IllegalAccessException iae) {
                        throw new SAXException("Unable to find color type: " +
                                               typeName);
                    }
                }
            }
        }
        if (color == null) {
            throw new SAXException("color: you must specificy a value");
        }
        register(id, color);
        if (_stateInfo != null && _colorTypes.size() > 0) {
            Color[] colors = _stateInfo.getColors();
            int max = 0;
            for (int counter = _colorTypes.size() - 1; counter >= 0;
                     counter--) {
                max = Math.max(max, ((ColorType)_colorTypes.get(counter)).
                               getID());
            }
            if (colors == null || colors.length <= max) {
                Color[] newColors = new Color[max + 1];
                if (colors != null) {
                    System.arraycopy(colors, 0, newColors, 0, colors.length);
                }
                colors = newColors;
            }
            for (int counter = _colorTypes.size() - 1; counter >= 0;
                     counter--) {
                colors[((ColorType)_colorTypes.get(counter)).getID()] = color;
            }
            _stateInfo.setColors(colors);
        }
    }

    private void startProperty(AttributeList attributes,
                               Object property) throws SAXException {
        Object value = null;
        Object key = null;
        // Type of the value: 0=idref, 1=boolean, 2=dimension, 3=insets,
        // 4=integer
        int iType = 0;
        String aValue = null;

        for(int i = attributes.getLength() - 1; i >= 0; i--) {
            String aName = attributes.getName(i);
            if (aName.equals(ATTRIBUTE_TYPE)) {
                String type = attributes.getValue(i).toUpperCase();
                if (type.equals("IDREF")) {
                    iType = 0;
                }
                else if (type.equals("BOOLEAN")) {
                    iType = 1;
                }
                else if (type.equals("DIMENSION")) {
                    iType = 2;
                }
                else if (type.equals("INSETS")) {
                    iType = 3;
                }
                else if (type.equals("INTEGER")) {
                    iType = 4;
                }
                else {
                    throw new SAXException(property + " unknown type, use" +
                        "idref, boolean, dimension, insets or integer");
                }
            }
            else if (aName.equals(ATTRIBUTE_VALUE)) {
                aValue = attributes.getValue(i);
            }
            else if (aName.equals(ATTRIBUTE_KEY)) {
                key = attributes.getValue(i);
            }
        }
        if (aValue != null) {
            switch (iType) {
            case 0: // idref
                value = lookup(aValue, Object.class);
                break;
            case 1: // boolean
                if (aValue.toUpperCase().equals("TRUE")) {
                    value = Boolean.TRUE;
                }
                else {
                    value = Boolean.FALSE;
                }
                break;
            case 2: // dimension
                StringTokenizer tok = new StringTokenizer(aValue);
                value = new DimensionUIResource(
                    nextInt(tok, "Invalid dimension"),
                    nextInt(tok, "Invalid dimension"));
                break;
            case 3: // insets
                value = parseInsets(aValue, property + " invalid insets");
                break;
            case 4: // integer
                try {
                    value = new Integer(Integer.parseInt(aValue));
                } catch (NumberFormatException nfe) {
                    throw new SAXException(property + " invalid value");
                }
                break;
            }
        }
        if (value == null || key == null) {
            throw new SAXException(property + ": you must supply a " +
                                   "key and value");
        }
        if (property == ELEMENT_DEFAULTS_PROPERTY) {
            _defaultsMap.put(key, value);
        }
        else if (_stateInfo != null) {
            if (_stateInfo.getData() == null) {
                _stateInfo.setData(new HashMap());
            }
            _stateInfo.getData().put(key, value);
        }
        else if (_style != null) {
            if (_style.getData() == null) {
                _style.setData(new HashMap());
            }
            _style.getData().put(key, value);
        }
    }

    private void startGraphics(AttributeList attributes) throws SAXException {
        SynthGraphicsUtils graphics = null;

        for(int i = attributes.getLength() - 1; i >= 0; i--) {
            String key = attributes.getName(i);
            if (key.equals(ATTRIBUTE_IDREF)) {
                graphics = (SynthGraphicsUtils)lookup(attributes.getValue(i),
                                                 SynthGraphicsUtils.class);
            }
        }
        if (graphics == null) {
            throw new SAXException("graphicsUtils: you must supply an idref");
        }
        if (_style != null) {
            _style.setGraphicsUtils(graphics);
        }
    }

    private void startInsets(AttributeList attributes) throws SAXException {
        int top = 0;
        int bottom = 0;
        int left = 0;
        int right = 0;
        Insets insets = null;
        String id = null;

        for(int i = attributes.getLength() - 1; i >= 0; i--) {
            String key = attributes.getName(i);

            try {
                if (key.equals(ATTRIBUTE_IDREF)) {
                    insets = (Insets)lookup(attributes.getValue(i),
                                                   Insets.class);
                }
                else if (key.equals(ATTRIBUTE_ID)) {
                    id = attributes.getValue(i);
                }
                else if (key.equals(ATTRIBUTE_TOP)) {
                    top = Integer.parseInt(attributes.getValue(i));
                }
                else if (key.equals(ATTRIBUTE_LEFT)) {
                    left = Integer.parseInt(attributes.getValue(i));
                }
                else if (key.equals(ATTRIBUTE_BOTTOM)) {
                    bottom = Integer.parseInt(attributes.getValue(i));
                }
                else if (key.equals(ATTRIBUTE_RIGHT)) {
                    right = Integer.parseInt(attributes.getValue(i));
                }
            } catch (NumberFormatException nfe) {
                throw new SAXException("insets: bad integer value for " +
                                       attributes.getValue(i));
            }
        }
        if (insets == null) {
            insets = new InsetsUIResource(top, left, bottom, right);
        }
        register(id, insets);
        if (_style != null) {
            _style.setInsets(insets);
        }
    }

    private void startBind(AttributeList attributes) throws SAXException {
        ParsedSynthStyle style = null;
        String path = null;
        int type = -1;

        for(int i = attributes.getLength() - 1; i >= 0; i--) {
            String key = attributes.getName(i);

            if (key.equals(ATTRIBUTE_STYLE)) {
                style = (ParsedSynthStyle)lookup(attributes.getValue(i),
                                                  ParsedSynthStyle.class);
            }
            else if (key.equals(ATTRIBUTE_TYPE)) {
                String typeS = attributes.getValue(i).toUpperCase();

                if (typeS.equals("NAME")) {
                    type = DefaultSynthStyleFactory.NAME;
                }
                else if (typeS.equals("REGION")) {
                    type = DefaultSynthStyleFactory.REGION;
                }
                else {
                    throw new SAXException("bind: unknown type " + typeS);
                }
            }
            else if (key.equals(ATTRIBUTE_KEY)) {
                path = attributes.getValue(i); 
            }
        }
        if (style == null || path == null || type == -1) {
            throw new SAXException("bind: you must specify a style, type " +
                                   "and key");
        }
        try {
            _factory.addStyle(style, path, type);
        } catch (PatternSyntaxException pse) {
            throw new SAXException("bind: " + path + " is not a valid " +
                                   "regular expression");
        }
    }