| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache license, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the license for the specific language governing permissions and |
| * limitations under the license. |
| */ |
| package org.apache.logging.log4j.layout.template.json.util; |
| |
| import java.io.PrintWriter; |
| import java.util.Objects; |
| |
| public final class TruncatingBufferedPrintWriter |
| extends PrintWriter |
| implements CharSequence { |
| |
| private final TruncatingBufferedWriter writer; |
| |
| private TruncatingBufferedPrintWriter(final TruncatingBufferedWriter writer) { |
| super(writer, false); |
| this.writer = writer; |
| } |
| |
| public static TruncatingBufferedPrintWriter ofCapacity(final int capacity) { |
| if (capacity < 0) { |
| throw new IllegalArgumentException( |
| "was expecting a non-negative capacity: " + capacity); |
| } |
| final TruncatingBufferedWriter writer = new TruncatingBufferedWriter(capacity); |
| return new TruncatingBufferedPrintWriter(writer); |
| } |
| |
| public char[] buffer() { |
| return writer.buffer(); |
| } |
| |
| public int position() { |
| return writer.position(); |
| } |
| |
| public void position(final int index) { |
| writer.position(index); |
| } |
| |
| public int capacity() { |
| return writer.capacity(); |
| } |
| |
| public boolean truncated() { |
| return writer.truncated(); |
| } |
| |
| public int indexOf(final CharSequence seq) { |
| Objects.requireNonNull(seq, "seq"); |
| return writer.indexOf(seq); |
| } |
| |
| @Override |
| public int length() { |
| return writer.length(); |
| } |
| |
| @Override |
| public char charAt(final int index) { |
| return writer.charAt(index); |
| } |
| |
| @Override |
| public CharSequence subSequence(final int startIndex, final int endIndex) { |
| return writer.subSequence(startIndex, endIndex); |
| } |
| |
| @Override |
| public void close() { |
| writer.close(); |
| } |
| |
| @Override |
| public String toString() { |
| return writer.toString(); |
| } |
| |
| } |