/*
 * Copyright (c) 2003, 2018, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.  Oracle designates this
 * particular file as subject to the "Classpath" exception as provided
 * by Oracle in the LICENSE file that accompanied this code.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 * or visit www.oracle.com if you need additional information or have any
 * questions.
 */
package javax.swing.plaf.synth;

import java.awt.Color;
import java.awt.Component;
import java.awt.Font;
import java.awt.Graphics;
import java.awt.Image;
import java.awt.Insets;
import java.awt.Toolkit;
import java.io.BufferedInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.net.MalformedURLException;
import java.net.URL;
import java.net.URLClassLoader;
import java.text.ParseException;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Locale;
import java.util.Map;
import java.util.StringTokenizer;
import java.util.regex.PatternSyntaxException;

import javax.swing.ImageIcon;
import javax.swing.JSplitPane;
import javax.swing.SwingConstants;
import javax.swing.UIDefaults;
import javax.swing.plaf.ColorUIResource;
import javax.swing.plaf.DimensionUIResource;
import javax.swing.plaf.FontUIResource;
import javax.swing.plaf.InsetsUIResource;
import javax.swing.plaf.UIResource;
import javax.xml.parsers.ParserConfigurationException;
import javax.xml.parsers.SAXParser;
import javax.xml.parsers.SAXParserFactory;

import org.xml.sax.Attributes;
import org.xml.sax.InputSource;
import org.xml.sax.Locator;
import org.xml.sax.SAXException;
import org.xml.sax.SAXParseException;
import org.xml.sax.helpers.DefaultHandler;

import com.sun.beans.decoder.DocumentHandler;
import sun.reflect.misc.ReflectUtil;

class SynthParser extends DefaultHandler {
    //
    // Known element names
    //
    private static final String ELEMENT_SYNTH = "synth";
    private static final String ELEMENT_STYLE = "style";
    private static final String ELEMENT_STATE = "state";
    private static final String ELEMENT_FONT = "font";
    private static final String ELEMENT_COLOR = "color";
    private static final String ELEMENT_IMAGE_PAINTER = "imagePainter";
    private static final String ELEMENT_PAINTER = "painter";
    private static final String ELEMENT_PROPERTY = "property";
    private static final String ELEMENT_SYNTH_GRAPHICS = "graphicsUtils";
    private static final String ELEMENT_IMAGE_ICON = "imageIcon";
    private static final String ELEMENT_BIND = "bind";
    private static final String ELEMENT_BIND_KEY = "bindKey";
    private static final String ELEMENT_INSETS = "insets";
    private static final String ELEMENT_OPAQUE = "opaque";
    private static final String ELEMENT_DEFAULTS_PROPERTY =
                                        "defaultsProperty";
    private static final String ELEMENT_INPUT_MAP = "inputMap";

    //
    // Known attribute names
    //
    private static final String ATTRIBUTE_ACTION = "action";
    private static final String ATTRIBUTE_ID = "id";
    private static final String ATTRIBUTE_IDREF = "idref";
    private static final String ATTRIBUTE_CLONE = "clone";
    private static final String ATTRIBUTE_VALUE = "value";
    private static final String ATTRIBUTE_NAME = "name";
    private static final String ATTRIBUTE_STYLE = "style";
    private static final String ATTRIBUTE_SIZE = "size";
    private static final String ATTRIBUTE_TYPE = "type";
    private static final String ATTRIBUTE_TOP = "top";
    private static final String ATTRIBUTE_LEFT = "left";
    private static final String ATTRIBUTE_BOTTOM = "bottom";
    private static final String ATTRIBUTE_RIGHT = "right";
    private static final String ATTRIBUTE_KEY = "key";
    private static final String ATTRIBUTE_SOURCE_INSETS = "sourceInsets";
    private static final String ATTRIBUTE_DEST_INSETS = "destinationInsets";
    private static final String ATTRIBUTE_PATH = "path";
    private static final String ATTRIBUTE_STRETCH = "stretch";
    private static final String ATTRIBUTE_PAINT_CENTER = "paintCenter";
    private static final String ATTRIBUTE_METHOD = "method";
    private static final String ATTRIBUTE_DIRECTION = "direction";
    private static final String ATTRIBUTE_CENTER = "center";

    
Lazily created, used for anything we don't understand.
/** * Lazily created, used for anything we don't understand. */
private DocumentHandler _handler;
Indicates the depth of how many elements we've encountered but don't understand. This is used when forwarding to beans persistance to know when we hsould stop forwarding.
/** * Indicates the depth of how many elements we've encountered but don't * understand. This is used when forwarding to beans persistance to know * when we hsould stop forwarding. */
private int _depth;
Factory that new styles are added to.
/** * Factory that new styles are added to. */
private DefaultSynthStyleFactory _factory;
Array of state infos for the current style. These are pushed to the style when is received.
/** * Array of state infos for the current style. These are pushed to the * style when </style> is received. */
private List<ParsedSynthStyle.StateInfo> _stateInfos;
Current style.
/** * Current style. */
private ParsedSynthStyle _style;
Current state info.
/** * Current state info. */
private ParsedSynthStyle.StateInfo _stateInfo;
Bindings for the current InputMap
/** * Bindings for the current InputMap */
private List<String> _inputMapBindings;
ID for the input map. This is cached as the InputMap is created AFTER the inputMapProperty has ended.
/** * ID for the input map. This is cached as * the InputMap is created AFTER the inputMapProperty has ended. */
private String _inputMapID;
Object references outside the scope of persistance.
/** * Object references outside the scope of persistance. */
private Map<String,Object> _mapping;
Based URL used to resolve paths.
/** * Based URL used to resolve paths. */
private URL _urlResourceBase;
Based class used to resolve paths.
/** * Based class used to resolve paths. */
private Class<?> _classResourceBase;
List of ColorTypes. This is populated in startColorType.
/** * List of ColorTypes. This is populated in startColorType. */
private List<ColorType> _colorTypes;
defaultsPropertys are placed here.
/** * defaultsPropertys are placed here. */
private Map<String, Object> _defaultsMap;
List of SynthStyle.Painters that will be applied to the current style.
/** * List of SynthStyle.Painters that will be applied to the current style. */
private List<ParsedSynthStyle.PainterInfo> _stylePainters;
List of SynthStyle.Painters that will be applied to the current state.
/** * List of SynthStyle.Painters that will be applied to the current state. */
private List<ParsedSynthStyle.PainterInfo> _statePainters; SynthParser() { _mapping = new HashMap<String,Object>(); _stateInfos = new ArrayList<ParsedSynthStyle.StateInfo>(); _colorTypes = new ArrayList<ColorType>(); _inputMapBindings = new ArrayList<String>(); _stylePainters = new ArrayList<ParsedSynthStyle.PainterInfo>(); _statePainters = new ArrayList<ParsedSynthStyle.PainterInfo>(); }
Parses a set of styles from inputStream, adding the resulting styles to the passed in DefaultSynthStyleFactory. Resources are resolved either from a URL or from a Class. When calling this method, one of the URL or the Class must be null but not both at the same time.
Params:
  • inputStream – XML document containing the styles to read
  • factory – DefaultSynthStyleFactory that new styles are added to
  • urlResourceBase – the URL used to resolve any resources, such as Images
  • classResourceBase – the Class used to resolve any resources, such as Images
  • defaultsMap – Map that UIDefaults properties are placed in
/** * Parses a set of styles from <code>inputStream</code>, adding the * resulting styles to the passed in DefaultSynthStyleFactory. * Resources are resolved either from a URL or from a Class. When calling * this method, one of the URL or the Class must be null but not both at * the same time. * * @param inputStream XML document containing the styles to read * @param factory DefaultSynthStyleFactory that new styles are added to * @param urlResourceBase the URL used to resolve any resources, such as Images * @param classResourceBase the Class used to resolve any resources, such as Images * @param defaultsMap Map that UIDefaults properties are placed in */
public void parse(InputStream inputStream, DefaultSynthStyleFactory factory, URL urlResourceBase, Class<?> classResourceBase, Map<String, Object> defaultsMap) throws ParseException, IllegalArgumentException { if (inputStream == null || factory == null || (urlResourceBase == null && classResourceBase == null)) { throw new IllegalArgumentException( "You must supply an InputStream, StyleFactory and Class or URL"); } assert(!(urlResourceBase != null && classResourceBase != null)); _factory = factory; _classResourceBase = classResourceBase; _urlResourceBase = urlResourceBase; _defaultsMap = defaultsMap; try { try { SAXParser saxParser = SAXParserFactory.newInstance(). newSAXParser(); saxParser.parse(new BufferedInputStream(inputStream), this); } catch (ParserConfigurationException e) { throw new ParseException("Error parsing: " + e, 0); } catch (SAXException se) { throw new ParseException("Error parsing: " + se + " " + se.getException(), 0); } catch (IOException ioe) { throw new ParseException("Error parsing: " + ioe, 0); } } finally { reset(); } }
Returns the path to a resource.
/** * Returns the path to a resource. */
private URL getResource(String path) { if (_classResourceBase != null) { return _classResourceBase.getResource(path); } else { try { return new URL(_urlResourceBase, path); } catch (MalformedURLException mue) { return null; } } }
Clears our internal state.
/** * Clears our internal state. */
private void reset() { _handler = null; _depth = 0; _mapping.clear(); _stateInfos.clear(); _colorTypes.clear(); _statePainters.clear(); _stylePainters.clear(); }
Returns true if we are forwarding to persistance.
/** * Returns true if we are forwarding to persistance. */
private boolean isForwarding() { return (_depth > 0); }
Handles beans persistance.
/** * Handles beans persistance. */
private DocumentHandler getHandler() { if (_handler == null) { _handler = new DocumentHandler(); if (_urlResourceBase != null) { // getHandler() is never called before parse() so it is safe // to create a URLClassLoader with _resourceBase. // // getResource(".") is called to ensure we have the directory // containing the resources in the case the resource base is a // .class file. URL[] urls = new URL[] { getResource(".") }; ClassLoader parent = Thread.currentThread().getContextClassLoader(); ClassLoader urlLoader = new URLClassLoader(urls, parent); _handler.setClassLoader(urlLoader); } else { _handler.setClassLoader(_classResourceBase.getClassLoader()); } for (String key : _mapping.keySet()) { _handler.setVariable(key, _mapping.get(key)); } } return _handler; }
If value is an instance of type it is returned, otherwise a SAXException is thrown.
/** * If <code>value</code> is an instance of <code>type</code> it is * returned, otherwise a SAXException is thrown. */
private Object checkCast(Object value, Class<?> type) throws SAXException { if (!type.isInstance(value)) { throw new SAXException("Expected type " + type + " got " + value.getClass()); } return value; }
Returns an object created with id=key. If the object is not of type type, this will throw an exception.
/** * Returns an object created with id=key. If the object is not of * type type, this will throw an exception. */
private Object lookup(String key, Class<?> type) throws SAXException { Object value; if (_handler != null) { if (_handler.hasVariable(key)) { return checkCast(_handler.getVariable(key), type); } } value = _mapping.get(key); if (value == null) { throw new SAXException("ID " + key + " has not been defined"); } return checkCast(value, type); }
Registers an object by name. This will throw an exception if an object has already been registered under the given name.
/** * Registers an object by name. This will throw an exception if an * object has already been registered under the given name. */
private void register(String key, Object value) throws SAXException { if (key != null) { if (_mapping.get(key) != null || (_handler != null && _handler.hasVariable(key))) { throw new SAXException("ID " + key + " is already defined"); } if (_handler != null) { _handler.setVariable(key, value); } else { _mapping.put(key, value); } } }
Convenience method to return the next int, or throw if there are no more valid ints.
/** * Convenience method to return the next int, or throw if there are no * more valid ints. */
private int nextInt(StringTokenizer tok, String errorMsg) throws SAXException { if (!tok.hasMoreTokens()) { throw new SAXException(errorMsg); } try { return Integer.parseInt(tok.nextToken()); } catch (NumberFormatException nfe) { throw new SAXException(errorMsg); } }
Convenience method to return an Insets object.
/** * Convenience method to return an Insets object. */
private Insets parseInsets(String insets, String errorMsg) throws SAXException { StringTokenizer tokenizer = new StringTokenizer(insets); return new Insets(nextInt(tokenizer, errorMsg), nextInt(tokenizer, errorMsg), nextInt(tokenizer, errorMsg), nextInt(tokenizer, errorMsg)); } // // The following methods are invoked from startElement/stopElement // private void startStyle(Attributes attributes) throws SAXException { String id = null; _style = null; for(int i = attributes.getLength() - 1; i >= 0; i--) { String key = attributes.getQName(i); if (key.equals(ATTRIBUTE_CLONE)) { _style = (ParsedSynthStyle)((ParsedSynthStyle)lookup( attributes.getValue(i), ParsedSynthStyle.class)). clone(); } else if (key.equals(ATTRIBUTE_ID)) { id = attributes.getValue(i); } } if (_style == null) { _style = new ParsedSynthStyle(); } register(id, _style); } private void endStyle() { int size = _stylePainters.size(); if (size > 0) { _style.setPainters(_stylePainters.toArray(new ParsedSynthStyle.PainterInfo[size])); _stylePainters.clear(); } size = _stateInfos.size(); if (size > 0) { _style.setStateInfo(_stateInfos.toArray(new ParsedSynthStyle.StateInfo[size])); _stateInfos.clear(); } _style = null; } private void startState(Attributes attributes) throws SAXException { ParsedSynthStyle.StateInfo stateInfo = null; int state = 0; String id = null; _stateInfo = null; for(int i = attributes.getLength() - 1; i >= 0; i--) { String key = attributes.getQName(i); if (key.equals(ATTRIBUTE_ID)) { id = attributes.getValue(i); } else if (key.equals(ATTRIBUTE_IDREF)) { _stateInfo = (ParsedSynthStyle.StateInfo)lookup( attributes.getValue(i), ParsedSynthStyle.StateInfo.class); } else if (key.equals(ATTRIBUTE_CLONE)) { _stateInfo = (ParsedSynthStyle.StateInfo)((ParsedSynthStyle. StateInfo)lookup(attributes.getValue(i), ParsedSynthStyle.StateInfo.class)).clone(); } else if (key.equals(ATTRIBUTE_VALUE)) { StringTokenizer tokenizer = new StringTokenizer( attributes.getValue(i)); while (tokenizer.hasMoreTokens()) { String stateString = tokenizer.nextToken().toUpperCase(). intern(); if (stateString == "ENABLED") { state |= SynthConstants.ENABLED; } else if (stateString == "MOUSE_OVER") { state |= SynthConstants.MOUSE_OVER; } else if (stateString == "PRESSED") { state |= SynthConstants.PRESSED; } else if (stateString == "DISABLED") { state |= SynthConstants.DISABLED; } else if (stateString == "FOCUSED") { state |= SynthConstants.FOCUSED; } else if (stateString == "SELECTED") { 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() { int size = _statePainters.size(); if (size > 0) { _stateInfo.setPainters(_statePainters.toArray(new ParsedSynthStyle.PainterInfo[size])); _statePainters.clear(); } _stateInfo = null; } private void startFont(Attributes 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.getQName(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(Attributes attributes) throws SAXException { Color color = null; String id = null; _colorTypes.clear(); for(int i = attributes.getLength() - 1; i >= 0; i--) { String key = attributes.getQName(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 argb; boolean hasAlpha; int length = value.length(); if (length < 8) { // Just RGB, or some portion of it. argb = Integer.decode(value); hasAlpha = false; } else if (length == 8) { // Single character alpha: #ARRGGBB. argb = Integer.decode(value); hasAlpha = true; } else if (length == 9) { // Color has alpha and is of the form // #AARRGGBB. // The following split decoding is mandatory due to // Integer.decode() behavior which won't decode // hexadecimal values higher than #7FFFFFFF. // Thus, when an alpha channel is detected, it is // decoded separately from the RGB channels. int rgb = Integer.decode('#' + value.substring(3, 9)); int a = Integer.decode(value.substring(0, 3)); argb = (a << 24) | rgb; hasAlpha = true; } else { throw new SAXException("Invalid Color value: " + value); } color = new ColorUIResource(new Color(argb, hasAlpha)); } 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 = ReflectUtil.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)). 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, _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[_colorTypes.get(counter).getID()] = color; } _stateInfo.setColors(colors); } } private void startProperty(Attributes attributes, Object property) throws SAXException { Object value = null; String key = null; // Type of the value: 0=idref, 1=boolean, 2=dimension, 3=insets, // 4=integer,5=string int iType = 0; String aValue = null; for(int i = attributes.getLength() - 1; i >= 0; i--) { String aName = attributes.getQName(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 if (type.equals("STRING")) { iType = 5; } 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 value = Boolean.parseBoolean(aValue); 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 = Integer.valueOf(aValue); } catch (NumberFormatException nfe) { throw new SAXException(property + " invalid value"); } break; case 5: //string value = aValue; 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(Attributes attributes) throws SAXException { SynthGraphicsUtils graphics = null; for(int i = attributes.getLength() - 1; i >= 0; i--) { String key = attributes.getQName(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(Attributes 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.getQName(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(Attributes attributes) throws SAXException { ParsedSynthStyle style = null; String path = null; int type = -1; for(int i = attributes.getLength() - 1; i >= 0; i--) { String key = attributes.getQName(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"); } } private void startPainter(Attributes attributes, String type) throws SAXException { Insets sourceInsets = null; Insets destInsets = null; String path = null; boolean paintCenter = true; boolean stretch = true; SynthPainter painter = null; String method = null; String id = null; int direction = -1; boolean center = false; boolean stretchSpecified = false; boolean paintCenterSpecified = false; for(int i = attributes.getLength() - 1; i >= 0; i--) { String key = attributes.getQName(i); String value = attributes.getValue(i); if (key.equals(ATTRIBUTE_ID)) { id = value; } else if (key.equals(ATTRIBUTE_METHOD)) { method = value.toLowerCase(Locale.ENGLISH); } else if (key.equals(ATTRIBUTE_IDREF)) { painter = (SynthPainter)lookup(value, SynthPainter.class); } else if (key.equals(ATTRIBUTE_PATH)) { path = value; } else if (key.equals(ATTRIBUTE_SOURCE_INSETS)) { sourceInsets = parseInsets(value, type + ": sourceInsets must be top left bottom right"); } else if (key.equals(ATTRIBUTE_DEST_INSETS)) { destInsets = parseInsets(value, type + ": destinationInsets must be top left bottom right"); } else if (key.equals(ATTRIBUTE_PAINT_CENTER)) { paintCenter = Boolean.parseBoolean(value); paintCenterSpecified = true; } else if (key.equals(ATTRIBUTE_STRETCH)) { stretch = Boolean.parseBoolean(value); stretchSpecified = true; } else if (key.equals(ATTRIBUTE_DIRECTION)) { value = value.toUpperCase().intern(); if (value == "EAST") { direction = SwingConstants.EAST; } else if (value == "NORTH") { direction = SwingConstants.NORTH; } else if (value == "SOUTH") { direction = SwingConstants.SOUTH; } else if (value == "WEST") { direction = SwingConstants.WEST; } else if (value == "TOP") { direction = SwingConstants.TOP; } else if (value == "LEFT") { direction = SwingConstants.LEFT; } else if (value == "BOTTOM") { direction = SwingConstants.BOTTOM; } else if (value == "RIGHT") { direction = SwingConstants.RIGHT; } else if (value == "HORIZONTAL") { direction = SwingConstants.HORIZONTAL; } else if (value == "VERTICAL") { direction = SwingConstants.VERTICAL; } else if (value == "HORIZONTAL_SPLIT") { direction = JSplitPane.HORIZONTAL_SPLIT; } else if (value == "VERTICAL_SPLIT") { direction = JSplitPane.VERTICAL_SPLIT; } else { throw new SAXException(type + ": unknown direction"); } } else if (key.equals(ATTRIBUTE_CENTER)) { center = Boolean.parseBoolean(value); } } if (painter == null) { if (type == ELEMENT_PAINTER) { throw new SAXException(type + ": you must specify an idref"); } if (sourceInsets == null && !center) { throw new SAXException( "property: you must specify sourceInsets"); } if (path == null) { throw new SAXException("property: you must specify a path"); } if (center && (sourceInsets != null || destInsets != null || paintCenterSpecified || stretchSpecified)) { throw new SAXException("The attributes: sourceInsets, " + "destinationInsets, paintCenter and stretch " + " are not legal when center is true"); } painter = new ImagePainter(!stretch, paintCenter, sourceInsets, destInsets, getResource(path), center); } register(id, painter); if (_stateInfo != null) { addPainterOrMerge(_statePainters, method, painter, direction); } else if (_style != null) { addPainterOrMerge(_stylePainters, method, painter, direction); } } private void addPainterOrMerge(List<ParsedSynthStyle.PainterInfo> painters, String method, SynthPainter painter, int direction) { ParsedSynthStyle.PainterInfo painterInfo; painterInfo = new ParsedSynthStyle.PainterInfo(method, painter, direction); for (Object infoObject: painters) { ParsedSynthStyle.PainterInfo info; info = (ParsedSynthStyle.PainterInfo) infoObject; if (painterInfo.equalsPainter(info)) { info.addPainter(painter); return; } } painters.add(painterInfo); } private void startImageIcon(Attributes attributes) throws SAXException { String path = null; String id = null; for(int i = attributes.getLength() - 1; i >= 0; i--) { String key = attributes.getQName(i); if (key.equals(ATTRIBUTE_ID)) { id = attributes.getValue(i); } else if (key.equals(ATTRIBUTE_PATH)) { path = attributes.getValue(i); } } if (path == null) { throw new SAXException("imageIcon: you must specify a path"); } register(id, new LazyImageIcon(getResource(path))); } private void startOpaque(Attributes attributes) { if (_style != null) { _style.setOpaque(true); for(int i = attributes.getLength() - 1; i >= 0; i--) { String key = attributes.getQName(i); if (key.equals(ATTRIBUTE_VALUE)) { _style.setOpaque("true".equals(attributes.getValue(i). toLowerCase())); } } } } private void startInputMap(Attributes attributes) throws SAXException { _inputMapBindings.clear(); _inputMapID = null; if (_style != null) { for(int i = attributes.getLength() - 1; i >= 0; i--) { String key = attributes.getQName(i); if (key.equals(ATTRIBUTE_ID)) { _inputMapID = attributes.getValue(i); } } } } private void endInputMap() throws SAXException { if (_inputMapID != null) { register(_inputMapID, new UIDefaults.LazyInputMap( _inputMapBindings.toArray(new Object[_inputMapBindings. size()]))); } _inputMapBindings.clear(); _inputMapID = null; } private void startBindKey(Attributes attributes) throws SAXException { if (_inputMapID == null) { // Not in an inputmap, bail. return; } if (_style != null) { String key = null; String value = null; for(int i = attributes.getLength() - 1; i >= 0; i--) { String aKey = attributes.getQName(i); if (aKey.equals(ATTRIBUTE_KEY)) { key = attributes.getValue(i); } else if (aKey.equals(ATTRIBUTE_ACTION)) { value = attributes.getValue(i); } } if (key == null || value == null) { throw new SAXException( "bindKey: you must supply a key and action"); } _inputMapBindings.add(key); _inputMapBindings.add(value); } } // // SAX methods, these forward to the DocumentHandler if we don't know // the element name. // public InputSource resolveEntity(String publicId, String systemId) throws IOException, SAXException { if (isForwarding()) { return getHandler().resolveEntity(publicId, systemId); } return null; } public void notationDecl(String name, String publicId, String systemId) throws SAXException { if (isForwarding()) { getHandler().notationDecl(name, publicId, systemId); } } public void unparsedEntityDecl(String name, String publicId, String systemId, String notationName) throws SAXException { if (isForwarding()) { getHandler().unparsedEntityDecl(name, publicId, systemId, notationName); } } public void setDocumentLocator(Locator locator) { if (isForwarding()) { getHandler().setDocumentLocator(locator); } } public void startDocument() throws SAXException { if (isForwarding()) { getHandler().startDocument(); } } public void endDocument() throws SAXException { if (isForwarding()) { getHandler().endDocument(); } } public void startElement(String uri, String local, String name, Attributes attributes) throws SAXException { name = name.intern(); if (name == ELEMENT_STYLE) { startStyle(attributes); } else if (name == ELEMENT_STATE) { startState(attributes); } else if (name == ELEMENT_FONT) { startFont(attributes); } else if (name == ELEMENT_COLOR) { startColor(attributes); } else if (name == ELEMENT_PAINTER) { startPainter(attributes, name); } else if (name == ELEMENT_IMAGE_PAINTER) { startPainter(attributes, name); } else if (name == ELEMENT_PROPERTY) { startProperty(attributes, ELEMENT_PROPERTY); } else if (name == ELEMENT_DEFAULTS_PROPERTY) { startProperty(attributes, ELEMENT_DEFAULTS_PROPERTY); } else if (name == ELEMENT_SYNTH_GRAPHICS) { startGraphics(attributes); } else if (name == ELEMENT_INSETS) { startInsets(attributes); } else if (name == ELEMENT_BIND) { startBind(attributes); } else if (name == ELEMENT_BIND_KEY) { startBindKey(attributes); } else if (name == ELEMENT_IMAGE_ICON) { startImageIcon(attributes); } else if (name == ELEMENT_OPAQUE) { startOpaque(attributes); } else if (name == ELEMENT_INPUT_MAP) { startInputMap(attributes); } else if (name != ELEMENT_SYNTH) { if (_depth++ == 0) { getHandler().startDocument(); } getHandler().startElement(uri, local, name, attributes); } } public void endElement(String uri, String local, String name) throws SAXException { if (isForwarding()) { getHandler().endElement(uri, local, name); _depth--; if (!isForwarding()) { getHandler().startDocument(); } } else { name = name.intern(); if (name == ELEMENT_STYLE) { endStyle(); } else if (name == ELEMENT_STATE) { endState(); } else if (name == ELEMENT_INPUT_MAP) { endInputMap(); } } } public void characters(char[] ch, int start, int length) throws SAXException { if (isForwarding()) { getHandler().characters(ch, start, length); } } public void ignorableWhitespace (char[] ch, int start, int length) throws SAXException { if (isForwarding()) { getHandler().ignorableWhitespace(ch, start, length); } } public void processingInstruction(String target, String data) throws SAXException { if (isForwarding()) { getHandler().processingInstruction(target, data); } } public void warning(SAXParseException e) throws SAXException { if (isForwarding()) { getHandler().warning(e); } } public void error(SAXParseException e) throws SAXException { if (isForwarding()) { getHandler().error(e); } } public void fatalError(SAXParseException e) throws SAXException { if (isForwarding()) { getHandler().fatalError(e); } throw e; }
ImageIcon that lazily loads the image until needed.
/** * ImageIcon that lazily loads the image until needed. */
@SuppressWarnings("serial") // Superclass is not serializable across versions private static class LazyImageIcon extends ImageIcon implements UIResource { private URL location; public LazyImageIcon(URL location) { super(); this.location = location; } public void paintIcon(Component c, Graphics g, int x, int y) { if (getImage() != null) { super.paintIcon(c, g, x, y); } } public int getIconWidth() { if (getImage() != null) { return super.getIconWidth(); } return 0; } public int getIconHeight() { if (getImage() != null) { return super.getIconHeight(); } return 0; } public Image getImage() { if (location != null) { setImage(Toolkit.getDefaultToolkit().getImage(location)); location = null; } return super.getImage(); } } }