| /* |
| * Copyright (c) 1998, 2021 Oracle and/or its affiliates. All rights reserved. |
| * |
| * This program and the accompanying materials are made available under the |
| * terms of the Eclipse Public License v. 2.0 which is available at |
| * http://www.eclipse.org/legal/epl-2.0, |
| * or the Eclipse Distribution License v. 1.0 which is available at |
| * http://www.eclipse.org/org/documents/edl-v10.php. |
| * |
| * SPDX-License-Identifier: EPL-2.0 OR BSD-3-Clause |
| */ |
| |
| // Contributors: |
| // Oracle - initial API and implementation from Oracle TopLink |
| package org.eclipse.persistence.tools.beans; |
| |
| import java.io.*; |
| import javax.swing.*; |
| |
| /** |
| * This class can be used to wrapper a window as a stream. |
| */ |
| public class TextAreaOutputStream extends OutputStream { |
| protected JTextArea text; |
| protected boolean shouldAutoScroll; |
| |
| public TextAreaOutputStream(JTextArea text) { |
| this(text, false); |
| } |
| |
| public TextAreaOutputStream(JTextArea text, boolean shouldAutoScroll) { |
| this.text = text; |
| this.shouldAutoScroll = shouldAutoScroll; |
| } |
| |
| public JTextArea getText() { |
| return text; |
| } |
| |
| /** |
| * Append the char to the text area. |
| */ |
| public void scrollToEnd() { |
| if (shouldAutoScroll()) { |
| if (getText().getParent() instanceof JViewport) { |
| int max = |
| ((JScrollPane)(getText().getParent().getParent())).getVerticalScrollBar().getMaximum(); |
| ((JScrollPane)(getText().getParent().getParent())).getVerticalScrollBar().setValue(max); |
| } |
| } |
| } |
| |
| /** |
| * JDK 1.2.2 has a auto scroll problem when threads are used. |
| * This can be used to fix it. |
| */ |
| public void setShouldAutoScroll(boolean shouldAutoScroll) { |
| this.shouldAutoScroll = shouldAutoScroll; |
| } |
| |
| public void setText(JTextArea text) { |
| this.text = text; |
| } |
| |
| /** |
| * JDK 1.2.2 has a auto scroll problem when threads are used. |
| * This can be used to fix it. |
| */ |
| public boolean shouldAutoScroll() { |
| return shouldAutoScroll; |
| } |
| |
| /** |
| * Append the char to the text area. |
| */ |
| @Override |
| public void write(byte[] bytes) { |
| getText().append(new String(bytes)); |
| scrollToEnd(); |
| } |
| |
| /** |
| * Append the char to the text area. |
| */ |
| @Override |
| public void write(byte[] bytes, int offset, int length) { |
| byte[] buffer = new byte[length]; |
| System.arraycopy(bytes, offset, buffer, 0, length); |
| getText().append(new String(buffer)); |
| scrollToEnd(); |
| } |
| |
| /** |
| * Append the char to the text area. |
| */ |
| @Override |
| public void write(int b) { |
| byte[] bytes = new byte[1]; |
| bytes[0] = (byte)b; |
| getText().append(new String(bytes)); |
| scrollToEnd(); |
| } |
| } |