| /******************************************************************************* |
| * Copyright (c) 2000, 2003 IBM Corporation and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Common Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/cpl-v10.html |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.jface.internal.text.link.contentassist; |
| |
| |
| import java.io.IOException; |
| import java.io.Reader; |
| |
| abstract class SingleCharReader extends Reader { |
| |
| /** |
| * @see Reader#read() |
| */ |
| public abstract int read() throws IOException; |
| |
| /** |
| * @see Reader#read(char[],int,int) |
| */ |
| public int read(char cbuf[], int off, int len) throws IOException { |
| int end= off + len; |
| for (int i= off; i < end; i++) { |
| int ch= read(); |
| if (ch == -1) { |
| if (i == off) { |
| return -1; |
| } else { |
| return i - off; |
| } |
| } |
| cbuf[i]= (char)ch; |
| } |
| return len; |
| } |
| |
| /** |
| * @see Reader#ready() |
| */ |
| public boolean ready() throws IOException { |
| return true; |
| } |
| |
| /** |
| * Gets the content as a String |
| */ |
| public String getString() throws IOException { |
| StringBuffer buf= new StringBuffer(); |
| int ch; |
| while ((ch= read()) != -1) { |
| buf.append((char)ch); |
| } |
| return buf.toString(); |
| } |
| } |