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| 1 | /* | ||
| 2 | * Copyright (c) 1998, 2008, Oracle and/or its affiliates. All rights reserved. | ||
| 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | ||
| 4 | * | ||
| 5 | * This code is free software; you can redistribute it and/or modify it | ||
| 6 | * under the terms of the GNU General Public License version 2 only, as | ||
| 7 | * published by the Free Software Foundation. Oracle designates this | ||
| 8 | * particular file as subject to the "Classpath" exception as provided | ||
| 9 | * by Oracle in the LICENSE file that accompanied this code. | ||
| 10 | * | ||
| 11 | * This code is distributed in the hope that it will be useful, but WITHOUT | ||
| 12 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | ||
| 13 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | ||
| 14 | * version 2 for more details (a copy is included in the LICENSE file that | ||
| 15 | * accompanied this code). | ||
| 16 | * | ||
| 17 | * You should have received a copy of the GNU General Public License version | ||
| 18 | * 2 along with this work; if not, write to the Free Software Foundation, | ||
| 19 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | ||
| 20 | * | ||
| 21 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA | ||
| 22 | * or visit www.oracle.com if you need additional information or have any | ||
| 23 | * questions. | ||
| 24 | */ | ||
| 25 | |||
| 26 | package javax.swing.text.html.parser; | ||
| 27 | |||
| 28 | import java.util.Hashtable; | ||
| 29 | import java.io.IOException; | ||
| 30 | import java.io.InputStream; | ||
| 31 | import java.io.InputStreamReader; | ||
| 32 | import java.io.Reader; | ||
| 33 | import java.io.CharArrayReader; | ||
| 34 | import java.net.URL; | ||
| 35 | |||
| 36 | /** | ||
| 37 | * An entity is described in a DTD using the ENTITY construct. | ||
| 38 | * It defines the type and value of the the entity. | ||
| 39 | * | ||
| 40 | * @see DTD | ||
| 41 | * @author Arthur van Hoff | ||
| 42 | */ | ||
| 43 | public final | ||
| 44 | class Entity implements DTDConstants { | ||
| 45 | public String name; | ||
| 46 | public int type; | ||
| 47 | public char data[]; | ||
| 48 | |||
| 49 | /** | ||
| 50 | * Creates an entity. | ||
| 51 | * @param name the name of the entity | ||
| 52 | * @param type the type of the entity | ||
| 53 | * @param data the char array of data | ||
| 54 | */ | ||
| 55 | public Entity(String name, int type, char data[]) { | ||
| 56 | this.name = name; | ||
| 57 | this.type = type; | ||
| 58 | this.data = data; | ||
| 59 | } | ||
| 60 | |||
| 61 | /** | ||
| 62 | * Gets the name of the entity. | ||
| 63 | * @return the name of the entity, as a <code>String</code> | ||
| 64 | */ | ||
| 65 | public String getName() { | ||
| 66 | return name; | ||
| 67 | } | ||
| 68 | |||
| 69 | /** | ||
| 70 | * Gets the type of the entity. | ||
| 71 | * @return the type of the entity | ||
| 72 | */ | ||
| 73 | public int getType() { | ||
| 74 | return type & 0xFFFF; | ||
| 75 | } | ||
| 76 | |||
| 77 | /** | ||
| 78 | * Returns <code>true</code> if it is a parameter entity. | ||
| 79 | * @return <code>true</code> if it is a parameter entity | ||
| 80 | */ | ||
| 81 | public boolean isParameter() { | ||
| 82 | return (type & PARAMETER) != 0; | ||
| 83 | } | ||
| 84 | |||
| 85 | /** | ||
| 86 | * Returns <code>true</code> if it is a general entity. | ||
| 87 | * @return <code>true</code> if it is a general entity | ||
| 88 | */ | ||
| 89 | public boolean isGeneral() { | ||
| 90 | return (type & GENERAL) != 0; | ||
| 91 | } | ||
| 92 | |||
| 93 | /** | ||
| 94 | * Returns the <code>data</code>. | ||
| 95 | * @return the <code>data</code> | ||
| 96 | */ | ||
| 97 | public char getData()[] { | ||
| 98 | return data; | ||
| 99 | } | ||
| 100 | |||
| 101 | /** | ||
| 102 | * Returns the data as a <code>String</code>. | ||
| 103 | * @return the data as a <code>String</code> | ||
| 104 | */ | ||
| 105 | public String getString() { | ||
| 106 | return new String(data, 0, data.length); | ||
| 107 | } | ||
| 108 | |||
| 109 | |||
| 110 | static Hashtable<String, Integer> entityTypes = new Hashtable<String, Integer>(); | ||
| 111 | |||
| 112 | static { | ||
| 113 | entityTypes.put("PUBLIC", Integer.valueOf(PUBLIC)); | ||
| 114 | entityTypes.put("CDATA", Integer.valueOf(CDATA)); | ||
| 115 | entityTypes.put("SDATA", Integer.valueOf(SDATA)); | ||
| 116 | entityTypes.put("PI", Integer.valueOf(PI)); | ||
| 117 | entityTypes.put("STARTTAG", Integer.valueOf(STARTTAG)); | ||
| 118 | entityTypes.put("ENDTAG", Integer.valueOf(ENDTAG)); | ||
| 119 | entityTypes.put("MS", Integer.valueOf(MS)); | ||
| 120 | entityTypes.put("MD", Integer.valueOf(MD)); | ||
| 121 | entityTypes.put("SYSTEM", Integer.valueOf(SYSTEM)); | ||
| 122 | } | ||
| 123 | |||
| 124 | /** | ||
| 125 | * Converts <code>nm</code> string to the corresponding | ||
| 126 | * entity type. If the string does not have a corresponding | ||
| 127 | * entity type, returns the type corresponding to "CDATA". | ||
| 128 | * Valid entity types are: "PUBLIC", "CDATA", "SDATA", "PI", | ||
| 129 | * "STARTTAG", "ENDTAG", "MS", "MD", "SYSTEM". | ||
| 130 | * | ||
| 131 | * @param nm the string to be converted | ||
| 132 | * @return the corresponding entity type, or the type corresponding | ||
| 133 | * to "CDATA", if none exists | ||
| 134 | */ | ||
| 135 | public static int name2type(String nm) { | ||
| 136 | Integer i = entityTypes.get(nm); | ||
| 137 | return (i == null) ? CDATA : i.intValue(); | ||
| 138 | } | ||
| 139 | } | ||