| /******************************************************************************* |
| * Copyright (c) 2011 IBM Corporation and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.help.internal.webapp.servlet; |
| |
| import java.io.ByteArrayOutputStream; |
| import java.io.PrintWriter; |
| |
| public class ServletPrintWriter extends PrintWriter{ |
| |
| private StringBuffer buffer; |
| |
| public ServletPrintWriter() { |
| super(new ByteArrayOutputStream()); |
| buffer = new StringBuffer(); |
| } |
| |
| /** |
| * Writes a single character. |
| * @param c int specifying a character to be written. |
| */ |
| @Override |
| public void write(int c) { |
| synchronized (lock) { |
| buffer.append((char)(c)); |
| } |
| } |
| |
| /** |
| * Writes A Portion of an array of characters. |
| * @param buf Array of characters |
| * @param off Offset from which to start writing characters |
| * @param len Number of characters to write |
| */ |
| @Override |
| public void write(char buf[], int off, int len) { |
| synchronized (lock) { |
| buffer.append(buf, off, len); |
| } |
| } |
| |
| /** |
| * Writes an array of characters. This method cannot be inherited from the |
| * Writer class because it must suppress I/O exceptions. |
| * @param buf Array of characters to be written |
| */ |
| @Override |
| public void write(char buf[]) { |
| write(buf, 0, buf.length); |
| } |
| |
| /** |
| * Writes a portion of a string. |
| * @param s A String |
| * @param off Offset from which to start writing characters |
| * @param len Number of characters to write |
| */ |
| @Override |
| public void write(String s, int off, int len) { |
| synchronized (lock) { |
| buffer.append(s.toCharArray(), off, off+len); |
| } |
| } |
| |
| /** |
| * Writes a string. This method cannot be inherited from the Writer class |
| * because it must suppress I/O exceptions. |
| * @param s String to be written |
| */ |
| @Override |
| public void write(String s) { |
| write(s, 0, s.length()); |
| } |
| |
| @Override |
| public String toString() |
| { |
| return buffer.toString(); |
| } |
| } |