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/* * 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.parser; import java.util.Hashtable;import java.io.IOException;import java.io.InputStream;import java.io.InputStreamReader;import java.io.Reader;import java.io.CharArrayReader;import java.net.URL; /** * An entity is described in a DTD using the ENTITY construct. * It defines the type and value of the the entity. * * @see DTD * @author Arthur van Hoff */public finalclass Entity implements DTDConstants {    public String name;    public int type;    public char data[];     /**     * Creates an entity.     * @param name the name of the entity     * @param type the type of the entity     * @param data the char array of data     */    public Entity(String name, int type, char data[]) {        this.name = name;        this.type = type;        this.data = data;    }     /**     * Gets the name of the entity.     * @return the name of the entity, as a <code>String</code>     */    public String getName() {        return name;    }     /**     * Gets the type of the entity.     * @return the type of the entity     */    public int getType() {        return type & 0xFFFF;    }     /**     * Returns <code>true</code> if it is a parameter entity.     * @return <code>true</code> if it is a parameter entity     */    public boolean isParameter() {        return (type & PARAMETER) != 0;    }     /**     * Returns <code>true</code> if it is a general entity.     * @return <code>true</code> if it is a general entity     */    public boolean isGeneral() {        return (type & GENERAL) != 0;    }     /**     * Returns the <code>data</code>.     * @return the <code>data</code>     */    public char getData()[] {        return data;    }     /**     * Returns the data as a <code>String</code>.     * @return the data as a <code>String</code>     */    public String getString() {        return new String(data, 0, data.length);    }      static Hashtable<String, Integer> entityTypes = new Hashtable<String, Integer>();     static {        entityTypes.put("PUBLIC", Integer.valueOf(PUBLIC));        entityTypes.put("CDATA", Integer.valueOf(CDATA));        entityTypes.put("SDATA", Integer.valueOf(SDATA));        entityTypes.put("PI", Integer.valueOf(PI));        entityTypes.put("STARTTAG", Integer.valueOf(STARTTAG));        entityTypes.put("ENDTAG", Integer.valueOf(ENDTAG));        entityTypes.put("MS", Integer.valueOf(MS));        entityTypes.put("MD", Integer.valueOf(MD));        entityTypes.put("SYSTEM", Integer.valueOf(SYSTEM));    }     /**     * Converts <code>nm</code> string to the corresponding     * entity type.  If the string does not have a corresponding     * entity type, returns the type corresponding to "CDATA".     * Valid entity types are: "PUBLIC", "CDATA", "SDATA", "PI",     * "STARTTAG", "ENDTAG", "MS", "MD", "SYSTEM".     *     * @param nm the string to be converted     * @return the corresponding entity type, or the type corresponding     *   to "CDATA", if none exists     */    public static int name2type(String nm) {        Integer i = entityTypes.get(nm);        return (i == null) ? CDATA : i.intValue();    }}