default_reader.java

来自「This is a resource based on j2me embedde」· Java 代码 · 共 66 行

/*
 * @(#)Default_Reader.java	1.10 06/10/10
 *
 * Copyright  1990-2008 Sun Microsystems, Inc. All Rights Reserved.  
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER  
 *   
 * This program 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.   
 *   
 * This program 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 at /legal/license.txt).   
 *   
 * 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 Sun Microsystems, Inc., 4150 Network Circle, Santa  
 * Clara, CA 95054 or visit www.sun.com if you need additional  
 * information or have any questions. 
 *
 */

package com.sun.cdc.i18n.j2me;

import java.io.*;
import com.sun.cdc.i18n.*;

/**
 * Default class reading input streams
 *
 * @version 1.0 1/17/2000
 */

public class Default_Reader extends StreamReader {

    public Reader open(InputStream in, String enc) throws UnsupportedEncodingException {
        if(enc == null) {
            return new InputStreamReader(in);
        } else {
            return new InputStreamReader(in, enc);        
        }
    }

    /**
     * Read characters into a portion of an array.
     *
     * @exception  IOException  If an I/O error occurs
     */
    public int read(char cbuf[], int off, int len) throws IOException {
        throw new RuntimeException("Illegal call to J2ME_Reader::read");
    }

    /**
     * Get the size in chars of an array of bytes
     */
    public int sizeOf(byte[] array, int offset, int length) {
        throw new RuntimeException("Illegal call to J2ME_Reader::sizeOf");
    }
    
}