/*
* 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 final
class 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();
}
}