log4j-layout-json-template/src/main/java/org/apache/logging/log4j/layout/json/template/util/TruncatingBufferedPrintWriter.java

/*
 * 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.json.template.util;

import java.io.PrintWriter;

public final class TruncatingBufferedPrintWriter extends PrintWriter {

    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[] getBuffer() {
        return writer.getBuffer();
    }

    public int getPosition() {
        return writer.getPosition();
    }

    public int getCapacity() {
        return writer.getCapacity();
    }

    public boolean isTruncated() {
        return writer.isTruncated();
    }

    @Override
    public void close() {
        writer.close();
    }

}