| /* |
| * Copyright (c) 1998, 2008, 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.text.html; |
| |
| import java.io.*; |
| import java.util.Hashtable; |
| import javax.swing.text.AttributeSet; |
| import javax.swing.text.StyleConstants; |
| import javax.swing.text.StyleContext; |
| |
| /** |
| * Constants used in the <code>HTMLDocument</code>. These |
| * are basically tag and attribute definitions. |
| * |
| * @author Timothy Prinzing |
| * @author Sunita Mani |
| * |
| */ |
| public class HTML { |
| |
| /** |
| * Typesafe enumeration for an HTML tag. Although the |
| * set of HTML tags is a closed set, we have left the |
| * set open so that people can add their own tag types |
| * to their custom parser and still communicate to the |
| * reader. |
| */ |
| public static class Tag { |
| |
| /** @since 1.3 */ |
| public Tag() {} |
| |
| /** |
| * Creates a new <code>Tag</code> with the specified <code>id</code>, |
| * and with <code>causesBreak</code> and <code>isBlock</code> |
| * set to <code>false</code>. |
| * |
| * @param id the id of the new tag |
| */ |
| protected Tag(String id) { |
| this(id, false, false); |
| } |
| |
| /** |
| * Creates a new <code>Tag</code> with the specified <code>id</code>; |
| * <code>causesBreak</code> and <code>isBlock</code> are defined |
| * by the user. |
| * |
| * @param id the id of the new tag |
| * @param causesBreak <code>true</code> if this tag |
| * causes a break to the flow of data |
| * @param isBlock <code>true</code> if the tag is used |
| * to add structure to a document |
| */ |
| protected Tag(String id, boolean causesBreak, boolean isBlock) { |
| name = id; |
| this.breakTag = causesBreak; |
| this.blockTag = isBlock; |
| } |
| |
| /** |
| * Returns <code>true</code> if this tag is a block |
| * tag, which is a tag used to add structure to a |
| * document. |
| * |
| * @return <code>true</code> if this tag is a block |
| * tag, otherwise returns <code>false</code> |
| */ |
| public boolean isBlock() { |
| return blockTag; |
| } |
| |
| /** |
| * Returns <code>true</code> if this tag causes a |
| * line break to the flow of data, otherwise returns |
| * <code>false</code>. |
| * |
| * @return <code>true</code> if this tag causes a |
| * line break to the flow of data, otherwise returns |
| * <code>false</code> |
| */ |
| public boolean breaksFlow() { |
| return breakTag; |
| } |
| |
| /** |
| * Returns <code>true</code> if this tag is pre-formatted, |
| * which is true if the tag is either <code>PRE</code> or |
| * <code>TEXTAREA</code>. |
| * |
| * @return <code>true</code> if this tag is pre-formatted, |
| * otherwise returns <code>false</code> |
| */ |
| public boolean isPreformatted() { |
| return (this == PRE || this == TEXTAREA); |
| } |
| |
| /** |
| * Returns the string representation of the |
| * tag. |
| * |
| * @return the <code>String</code> representation of the tag |
| */ |
| public String toString() { |
| return name; |
| } |
| |
| /** |
| * Returns <code>true</code> if this tag is considered to be a paragraph |
| * in the internal HTML model. <code>false</code> - otherwise. |
| * |
| * @return <code>true</code> if this tag is considered to be a paragraph |
| * in the internal HTML model. <code>false</code> - otherwise. |
| * @see HTMLDocument.HTMLReader.ParagraphAction |
| */ |
| boolean isParagraph() { |
| return ( |
| this == P |
| || this == IMPLIED |
| || this == DT |
| || this == H1 |
| || this == H2 |
| || this == H3 |
| || this == H4 |
| || this == H5 |
| || this == H6 |
| ); |
| } |
| |
| boolean blockTag; |
| boolean breakTag; |
| String name; |
| boolean unknown; |
| |
| // --- Tag Names ----------------------------------- |
| |
| public static final Tag A = new Tag("a"); |
| public static final Tag ADDRESS = new Tag("address"); |
| public static final Tag APPLET = new Tag("applet"); |
| public static final Tag AREA = new Tag("area"); |
| public static final Tag B = new Tag("b"); |
| public static final Tag BASE = new Tag("base"); |
| public static final Tag BASEFONT = new Tag("basefont"); |
| public static final Tag BIG = new Tag("big"); |
| public static final Tag BLOCKQUOTE = new Tag("blockquote", true, true); |
| public static final Tag BODY = new Tag("body", true, true); |
| public static final Tag BR = new Tag("br", true, false); |
| public static final Tag CAPTION = new Tag("caption"); |
| public static final Tag CENTER = new Tag("center", true, false); |
| public static final Tag CITE = new Tag("cite"); |
| public static final Tag CODE = new Tag("code"); |
| public static final Tag DD = new Tag("dd", true, true); |
| public static final Tag DFN = new Tag("dfn"); |
| public static final Tag DIR = new Tag("dir", true, true); |
| public static final Tag DIV = new Tag("div", true, true); |
| public static final Tag DL = new Tag("dl", true, true); |
| public static final Tag DT = new Tag("dt", true, true); |
| public static final Tag EM = new Tag("em"); |
| public static final Tag FONT = new Tag("font"); |
| public static final Tag FORM = new Tag("form", true, false); |
| public static final Tag FRAME = new Tag("frame"); |
| public static final Tag FRAMESET = new Tag("frameset"); |
| public static final Tag H1 = new Tag("h1", true, true); |
| public static final Tag H2 = new Tag("h2", true, true); |
| public static final Tag H3 = new Tag("h3", true, true); |
| public static final Tag H4 = new Tag("h4", true, true); |
| public static final Tag H5 = new Tag("h5", true, true); |
| public static final Tag H6 = new Tag("h6", true, true); |
| public static final Tag HEAD = new Tag("head", true, true); |
| public static final Tag HR = new Tag("hr", true, false); |
| public static final Tag HTML = new Tag("html", true, false); |
| public static final Tag I = new Tag("i"); |
| public static final Tag IMG = new Tag("img"); |
| public static final Tag INPUT = new Tag("input"); |
| public static final Tag ISINDEX = new Tag("isindex", true, false); |
| public static final Tag KBD = new Tag("kbd"); |
| public static final Tag LI = new Tag("li", true, true); |
| public static final Tag LINK = new Tag("link"); |
| public static final Tag MAP = new Tag("map"); |
| public static final Tag MENU = new Tag("menu", true, true); |
| public static final Tag META = new Tag("meta"); |
| /*public*/ static final Tag NOBR = new Tag("nobr"); |
| public static final Tag NOFRAMES = new Tag("noframes", true, true); |
| public static final Tag OBJECT = new Tag("object"); |
| public static final Tag OL = new Tag("ol", true, true); |
| public static final Tag OPTION = new Tag("option"); |
| public static final Tag P = new Tag("p", true, true); |
| public static final Tag PARAM = new Tag("param"); |
| public static final Tag PRE = new Tag("pre", true, true); |
| public static final Tag SAMP = new Tag("samp"); |
| public static final Tag SCRIPT = new Tag("script"); |
| public static final Tag SELECT = new Tag("select"); |
| public static final Tag SMALL = new Tag("small"); |
| public static final Tag SPAN = new Tag("span"); |
| public static final Tag STRIKE = new Tag("strike"); |
| public static final Tag S = new Tag("s"); |
| public static final Tag STRONG = new Tag("strong"); |
| public static final Tag STYLE = new Tag("style"); |
| public static final Tag SUB = new Tag("sub"); |
| public static final Tag SUP = new Tag("sup"); |
| public static final Tag TABLE = new Tag("table", false, true); |
| public static final Tag TD = new Tag("td", true, true); |
| public static final Tag TEXTAREA = new Tag("textarea"); |
| public static final Tag TH = new Tag("th", true, true); |
| public static final Tag TITLE = new Tag("title", true, true); |
| public static final Tag TR = new Tag("tr", false, true); |
| public static final Tag TT = new Tag("tt"); |
| public static final Tag U = new Tag("u"); |
| public static final Tag UL = new Tag("ul", true, true); |
| public static final Tag VAR = new Tag("var"); |
| |
| /** |
| * All text content must be in a paragraph element. |
| * If a paragraph didn't exist when content was |
| * encountered, a paragraph is manufactured. |
| * <p> |
| * This is a tag synthesized by the HTML reader. |
| * Since elements are identified by their tag type, |
| * we create a some fake tag types to mark the elements |
| * that were manufactured. |
| */ |
| public static final Tag IMPLIED = new Tag("p-implied"); |
| |
| /** |
| * All text content is labeled with this tag. |
| * <p> |
| * This is a tag synthesized by the HTML reader. |
| * Since elements are identified by their tag type, |
| * we create a some fake tag types to mark the elements |
| * that were manufactured. |
| */ |
| public static final Tag CONTENT = new Tag("content"); |
| |
| /** |
| * All comments are labeled with this tag. |
| * <p> |
| * This is a tag synthesized by the HTML reader. |
| * Since elements are identified by their tag type, |
| * we create a some fake tag types to mark the elements |
| * that were manufactured. |
| */ |
| public static final Tag COMMENT = new Tag("comment"); |
| |
| static final Tag allTags[] = { |
| A, ADDRESS, APPLET, AREA, B, BASE, BASEFONT, BIG, |
| BLOCKQUOTE, BODY, BR, CAPTION, CENTER, CITE, CODE, |
| DD, DFN, DIR, DIV, DL, DT, EM, FONT, FORM, FRAME, |
| FRAMESET, H1, H2, H3, H4, H5, H6, HEAD, HR, HTML, |
| I, IMG, INPUT, ISINDEX, KBD, LI, LINK, MAP, MENU, |
| META, NOBR, NOFRAMES, OBJECT, OL, OPTION, P, PARAM, |
| PRE, SAMP, SCRIPT, SELECT, SMALL, SPAN, STRIKE, S, |
| STRONG, STYLE, SUB, SUP, TABLE, TD, TEXTAREA, |
| TH, TITLE, TR, TT, U, UL, VAR |
| }; |
| |
| static { |
| // Force HTMLs static initialize to be loaded. |
| getTag("html"); |
| } |
| } |
| |
| // There is no unique instance of UnknownTag, so we allow it to be |
| // Serializable. |
| public static class UnknownTag extends Tag implements Serializable { |
| |
| /** |
| * Creates a new <code>UnknownTag</code> with the specified |
| * <code>id</code>. |
| * @param id the id of the new tag |
| */ |
| public UnknownTag(String id) { |
| super(id); |
| } |
| |
| /** |
| * Returns the hash code which corresponds to the string |
| * for this tag. |
| */ |
| public int hashCode() { |
| return toString().hashCode(); |
| } |
| |
| /** |
| * Compares this object to the specifed object. |
| * The result is <code>true</code> if and only if the argument is not |
| * <code>null</code> and is an <code>UnknownTag</code> object |
| * with the same name. |
| * |
| * @param obj the object to compare this tag with |
| * @return <code>true</code> if the objects are equal; |
| * <code>false</code> otherwise |
| */ |
| public boolean equals(Object obj) { |
| if (obj instanceof UnknownTag) { |
| return toString().equals(obj.toString()); |
| } |
| return false; |
| } |
| |
| private void writeObject(java.io.ObjectOutputStream s) |
| throws IOException { |
| s.defaultWriteObject(); |
| s.writeBoolean(blockTag); |
| s.writeBoolean(breakTag); |
| s.writeBoolean(unknown); |
| s.writeObject(name); |
| } |
| |
| private void readObject(ObjectInputStream s) |
| throws ClassNotFoundException, IOException { |
| s.defaultReadObject(); |
| blockTag = s.readBoolean(); |
| breakTag = s.readBoolean(); |
| unknown = s.readBoolean(); |
| name = (String)s.readObject(); |
| } |
| } |
| |
| /** |
| * Typesafe enumeration representing an HTML |
| * attribute. |
| */ |
| public static final class Attribute { |
| |
| /** |
| * Creates a new <code>Attribute</code> with the specified |
| * <code>id</code>. |
| * |
| * @param id the id of the new <code>Attribute</code> |
| */ |
| Attribute(String id) { |
| name = id; |
| } |
| |
| /** |
| * Returns the string representation of this attribute. |
| * @return the string representation of this attribute |
| */ |
| public String toString() { |
| return name; |
| } |
| |
| private String name; |
| |
| public static final Attribute SIZE = new Attribute("size"); |
| public static final Attribute COLOR = new Attribute("color"); |
| public static final Attribute CLEAR = new Attribute("clear"); |
| public static final Attribute BACKGROUND = new Attribute("background"); |
| public static final Attribute BGCOLOR = new Attribute("bgcolor"); |
| public static final Attribute TEXT = new Attribute("text"); |
| public static final Attribute LINK = new Attribute("link"); |
| public static final Attribute VLINK = new Attribute("vlink"); |
| public static final Attribute ALINK = new Attribute("alink"); |
| public static final Attribute WIDTH = new Attribute("width"); |
| public static final Attribute HEIGHT = new Attribute("height"); |
| public static final Attribute ALIGN = new Attribute("align"); |
| public static final Attribute NAME = new Attribute("name"); |
| public static final Attribute HREF = new Attribute("href"); |
| public static final Attribute REL = new Attribute("rel"); |
| public static final Attribute REV = new Attribute("rev"); |
| public static final Attribute TITLE = new Attribute("title"); |
| public static final Attribute TARGET = new Attribute("target"); |
| public static final Attribute SHAPE = new Attribute("shape"); |
| public static final Attribute COORDS = new Attribute("coords"); |
| public static final Attribute ISMAP = new Attribute("ismap"); |
| public static final Attribute NOHREF = new Attribute("nohref"); |
| public static final Attribute ALT = new Attribute("alt"); |
| public static final Attribute ID = new Attribute("id"); |
| public static final Attribute SRC = new Attribute("src"); |
| public static final Attribute HSPACE = new Attribute("hspace"); |
| public static final Attribute VSPACE = new Attribute("vspace"); |
| public static final Attribute USEMAP = new Attribute("usemap"); |
| public static final Attribute LOWSRC = new Attribute("lowsrc"); |
| public static final Attribute CODEBASE = new Attribute("codebase"); |
| public static final Attribute CODE = new Attribute("code"); |
| public static final Attribute ARCHIVE = new Attribute("archive"); |
| public static final Attribute VALUE = new Attribute("value"); |
| public static final Attribute VALUETYPE = new Attribute("valuetype"); |
| public static final Attribute TYPE = new Attribute("type"); |
| public static final Attribute CLASS = new Attribute("class"); |
| public static final Attribute STYLE = new Attribute("style"); |
| public static final Attribute LANG = new Attribute("lang"); |
| public static final Attribute FACE = new Attribute("face"); |
| public static final Attribute DIR = new Attribute("dir"); |
| public static final Attribute DECLARE = new Attribute("declare"); |
| public static final Attribute CLASSID = new Attribute("classid"); |
| public static final Attribute DATA = new Attribute("data"); |
| public static final Attribute CODETYPE = new Attribute("codetype"); |
| public static final Attribute STANDBY = new Attribute("standby"); |
| public static final Attribute BORDER = new Attribute("border"); |
| public static final Attribute SHAPES = new Attribute("shapes"); |
| public static final Attribute NOSHADE = new Attribute("noshade"); |
| public static final Attribute COMPACT = new Attribute("compact"); |
| public static final Attribute START = new Attribute("start"); |
| public static final Attribute ACTION = new Attribute("action"); |
| public static final Attribute METHOD = new Attribute("method"); |
| public static final Attribute ENCTYPE = new Attribute("enctype"); |
| public static final Attribute CHECKED = new Attribute("checked"); |
| public static final Attribute MAXLENGTH = new Attribute("maxlength"); |
| public static final Attribute MULTIPLE = new Attribute("multiple"); |
| public static final Attribute SELECTED = new Attribute("selected"); |
| public static final Attribute ROWS = new Attribute("rows"); |
| public static final Attribute COLS = new Attribute("cols"); |
| public static final Attribute DUMMY = new Attribute("dummy"); |
| public static final Attribute CELLSPACING = new Attribute("cellspacing"); |
| public static final Attribute CELLPADDING = new Attribute("cellpadding"); |
| public static final Attribute VALIGN = new Attribute("valign"); |
| public static final Attribute HALIGN = new Attribute("halign"); |
| public static final Attribute NOWRAP = new Attribute("nowrap"); |
| public static final Attribute ROWSPAN = new Attribute("rowspan"); |
| public static final Attribute COLSPAN = new Attribute("colspan"); |
| public static final Attribute PROMPT = new Attribute("prompt"); |
| public static final Attribute HTTPEQUIV = new Attribute("http-equiv"); |
| public static final Attribute CONTENT = new Attribute("content"); |
| public static final Attribute LANGUAGE = new Attribute("language"); |
| public static final Attribute VERSION = new Attribute("version"); |
| public static final Attribute N = new Attribute("n"); |
| public static final Attribute FRAMEBORDER = new Attribute("frameborder"); |
| public static final Attribute MARGINWIDTH = new Attribute("marginwidth"); |
| public static final Attribute MARGINHEIGHT = new Attribute("marginheight"); |
| public static final Attribute SCROLLING = new Attribute("scrolling"); |
| public static final Attribute NORESIZE = new Attribute("noresize"); |
| public static final Attribute ENDTAG = new Attribute("endtag"); |
| public static final Attribute COMMENT = new Attribute("comment"); |
| static final Attribute MEDIA = new Attribute("media"); |
| |
| static final Attribute allAttributes[] = { |
| FACE, |
| COMMENT, |
| SIZE, |
| COLOR, |
| CLEAR, |
| BACKGROUND, |
| BGCOLOR, |
| TEXT, |
| LINK, |
| VLINK, |
| ALINK, |
| WIDTH, |
| HEIGHT, |
| ALIGN, |
| NAME, |
| HREF, |
| REL, |
| REV, |
| TITLE, |
| TARGET, |
| SHAPE, |
| COORDS, |
| ISMAP, |
| NOHREF, |
| ALT, |
| ID, |
| SRC, |
| HSPACE, |
| VSPACE, |
| USEMAP, |
| LOWSRC, |
| CODEBASE, |
| CODE, |
| ARCHIVE, |
| VALUE, |
| VALUETYPE, |
| TYPE, |
| CLASS, |
| STYLE, |
| LANG, |
| DIR, |
| DECLARE, |
| CLASSID, |
| DATA, |
| CODETYPE, |
| STANDBY, |
| BORDER, |
| SHAPES, |
| NOSHADE, |
| COMPACT, |
| START, |
| ACTION, |
| METHOD, |
| ENCTYPE, |
| CHECKED, |
| MAXLENGTH, |
| MULTIPLE, |
| SELECTED, |
| ROWS, |
| COLS, |
| DUMMY, |
| CELLSPACING, |
| CELLPADDING, |
| VALIGN, |
| HALIGN, |
| NOWRAP, |
| ROWSPAN, |
| COLSPAN, |
| PROMPT, |
| HTTPEQUIV, |
| CONTENT, |
| LANGUAGE, |
| VERSION, |
| N, |
| FRAMEBORDER, |
| MARGINWIDTH, |
| MARGINHEIGHT, |
| SCROLLING, |
| NORESIZE, |
| MEDIA, |
| ENDTAG |
| }; |
| } |
| |
| // The secret to 73, is that, given that the Hashtable contents |
| // never change once the static initialization happens, the initial size |
| // that the hashtable grew to was determined, and then that very size |
| // is used. |
| // |
| private static final Hashtable<String, Tag> tagHashtable = new Hashtable<String, Tag>(73); |
| |
| /** Maps from StyleConstant key to HTML.Tag. */ |
| private static final Hashtable<Object, Tag> scMapping = new Hashtable<Object, Tag>(8); |
| |
| static { |
| |
| for (int i = 0; i < Tag.allTags.length; i++ ) { |
| tagHashtable.put(Tag.allTags[i].toString(), Tag.allTags[i]); |
| StyleContext.registerStaticAttributeKey(Tag.allTags[i]); |
| } |
| StyleContext.registerStaticAttributeKey(Tag.IMPLIED); |
| StyleContext.registerStaticAttributeKey(Tag.CONTENT); |
| StyleContext.registerStaticAttributeKey(Tag.COMMENT); |
| for (int i = 0; i < Attribute.allAttributes.length; i++) { |
| StyleContext.registerStaticAttributeKey(Attribute. |
| allAttributes[i]); |
| } |
| StyleContext.registerStaticAttributeKey(HTML.NULL_ATTRIBUTE_VALUE); |
| scMapping.put(StyleConstants.Bold, Tag.B); |
| scMapping.put(StyleConstants.Italic, Tag.I); |
| scMapping.put(StyleConstants.Underline, Tag.U); |
| scMapping.put(StyleConstants.StrikeThrough, Tag.STRIKE); |
| scMapping.put(StyleConstants.Superscript, Tag.SUP); |
| scMapping.put(StyleConstants.Subscript, Tag.SUB); |
| scMapping.put(StyleConstants.FontFamily, Tag.FONT); |
| scMapping.put(StyleConstants.FontSize, Tag.FONT); |
| } |
| |
| /** |
| * Returns the set of actual HTML tags that |
| * are recognized by the default HTML reader. |
| * This set does not include tags that are |
| * manufactured by the reader. |
| */ |
| public static Tag[] getAllTags() { |
| Tag[] tags = new Tag[Tag.allTags.length]; |
| System.arraycopy(Tag.allTags, 0, tags, 0, Tag.allTags.length); |
| return tags; |
| } |
| |
| /** |
| * Fetches a tag constant for a well-known tag name (i.e. one of |
| * the tags in the set {A, ADDRESS, APPLET, AREA, B, |
| * BASE, BASEFONT, BIG, |
| * BLOCKQUOTE, BODY, BR, CAPTION, CENTER, CITE, CODE, |
| * DD, DFN, DIR, DIV, DL, DT, EM, FONT, FORM, FRAME, |
| * FRAMESET, H1, H2, H3, H4, H5, H6, HEAD, HR, HTML, |
| * I, IMG, INPUT, ISINDEX, KBD, LI, LINK, MAP, MENU, |
| * META, NOBR, NOFRAMES, OBJECT, OL, OPTION, P, PARAM, |
| * PRE, SAMP, SCRIPT, SELECT, SMALL, SPAN, STRIKE, S, |
| * STRONG, STYLE, SUB, SUP, TABLE, TD, TEXTAREA, |
| * TH, TITLE, TR, TT, U, UL, VAR}. If the given |
| * name does not represent one of the well-known tags, then |
| * <code>null</code> will be returned. |
| * |
| * @param tagName the <code>String</code> name requested |
| * @return a tag constant corresponding to the <code>tagName</code>, |
| * or <code>null</code> if not found |
| */ |
| public static Tag getTag(String tagName) { |
| |
| Tag t = tagHashtable.get(tagName); |
| return (t == null ? null : t); |
| } |
| |
| /** |
| * Returns the HTML <code>Tag</code> associated with the |
| * <code>StyleConstants</code> key <code>sc</code>. |
| * If no matching <code>Tag</code> is found, returns |
| * <code>null</code>. |
| * |
| * @param sc the <code>StyleConstants</code> key |
| * @return tag which corresponds to <code>sc</code>, or |
| * <code>null</code> if not found |
| */ |
| static Tag getTagForStyleConstantsKey(StyleConstants sc) { |
| return scMapping.get(sc); |
| } |
| |
| /** |
| * Fetches an integer attribute value. Attribute values |
| * are stored as a string, and this is a convenience method |
| * to convert to an actual integer. |
| * |
| * @param attr the set of attributes to use to try to fetch a value |
| * @param key the key to use to fetch the value |
| * @param def the default value to use if the attribute isn't |
| * defined or there is an error converting to an integer |
| */ |
| public static int getIntegerAttributeValue(AttributeSet attr, |
| Attribute key, int def) { |
| int value = def; |
| String istr = (String) attr.getAttribute(key); |
| if (istr != null) { |
| try { |
| value = Integer.valueOf(istr).intValue(); |
| } catch (NumberFormatException e) { |
| value = def; |
| } |
| } |
| return value; |
| } |
| |
| // This is used in cases where the value for the attribute has not |
| // been specified. |
| // |
| public static final String NULL_ATTRIBUTE_VALUE = "#DEFAULT"; |
| |
| // size determined similar to size of tagHashtable |
| private static final Hashtable<String, Attribute> attHashtable = new Hashtable<String, Attribute>(77); |
| |
| static { |
| |
| for (int i = 0; i < Attribute.allAttributes.length; i++ ) { |
| attHashtable.put(Attribute.allAttributes[i].toString(), Attribute.allAttributes[i]); |
| } |
| } |
| |
| /** |
| * Returns the set of HTML attributes recognized. |
| * @return the set of HTML attributes recognized |
| */ |
| public static Attribute[] getAllAttributeKeys() { |
| Attribute[] attributes = new Attribute[Attribute.allAttributes.length]; |
| System.arraycopy(Attribute.allAttributes, 0, |
| attributes, 0, Attribute.allAttributes.length); |
| return attributes; |
| } |
| |
| /** |
| * Fetches an attribute constant for a well-known attribute name |
| * (i.e. one of the attributes in the set {FACE, COMMENT, SIZE, |
| * COLOR, CLEAR, BACKGROUND, BGCOLOR, TEXT, LINK, VLINK, ALINK, |
| * WIDTH, HEIGHT, ALIGN, NAME, HREF, REL, REV, TITLE, TARGET, |
| * SHAPE, COORDS, ISMAP, NOHREF, ALT, ID, SRC, HSPACE, VSPACE, |
| * USEMAP, LOWSRC, CODEBASE, CODE, ARCHIVE, VALUE, VALUETYPE, |
| * TYPE, CLASS, STYLE, LANG, DIR, DECLARE, CLASSID, DATA, CODETYPE, |
| * STANDBY, BORDER, SHAPES, NOSHADE, COMPACT, START, ACTION, METHOD, |
| * ENCTYPE, CHECKED, MAXLENGTH, MULTIPLE, SELECTED, ROWS, COLS, |
| * DUMMY, CELLSPACING, CELLPADDING, VALIGN, HALIGN, NOWRAP, ROWSPAN, |
| * COLSPAN, PROMPT, HTTPEQUIV, CONTENT, LANGUAGE, VERSION, N, |
| * FRAMEBORDER, MARGINWIDTH, MARGINHEIGHT, SCROLLING, NORESIZE, |
| * MEDIA, ENDTAG}). |
| * If the given name does not represent one of the well-known attributes, |
| * then <code>null</code> will be returned. |
| * |
| * @param attName the <code>String</code> requested |
| * @return the <code>Attribute</code> corresponding to <code>attName</code> |
| */ |
| public static Attribute getAttributeKey(String attName) { |
| Attribute a = attHashtable.get(attName); |
| if (a == null) { |
| return null; |
| } |
| return a; |
| } |
| |
| } |
