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Java example source code file (LineSeparator.java)

This example Java source code file (LineSeparator.java) is included in the alvinalexander.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Learn more about this Java project at its project page.

Java - Java tags/keywords

default, lineseparator, override, string, unix, windows

The LineSeparator.java Java example source code

/*
 * Copyright 2016 The Netty Project
 *
 * The Netty Project 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 io.netty.handler.codec.string;

import io.netty.buffer.ByteBufUtil;
import io.netty.util.CharsetUtil;
import io.netty.util.internal.ObjectUtil;
import io.netty.util.internal.StringUtil;

/**
 * A class to represent line separators in different environments.
 */
public final class LineSeparator {

    /**
     * The default line separator in the current system.
     */
    public static final LineSeparator DEFAULT = new LineSeparator(StringUtil.NEWLINE);

    /**
     * The Unix line separator(LF)
     */
    public static final LineSeparator UNIX = new LineSeparator("\n");

    /**
     * The Windows line separator(CRLF)
     */
    public static final LineSeparator WINDOWS = new LineSeparator("\r\n");

    private final String value;

    /**
     * Create {@link LineSeparator} with the specified {@code lineSeparator} string.
     */
    public LineSeparator(String lineSeparator) {
        this.value = ObjectUtil.checkNotNull(lineSeparator, "lineSeparator");
    }

    /**
     * Return the string value of this line separator.
     */
    public String value() {
        return value;
    }

    @Override
    public boolean equals(Object o) {
        if (this == o) {
            return true;
        }
        if (!(o instanceof LineSeparator)) {
            return false;
        }
        LineSeparator that = (LineSeparator) o;
        return value != null ? value.equals(that.value) : that.value == null;
    }

    @Override
    public int hashCode() {
        return value != null ? value.hashCode() : 0;
    }

    /**
     * Return a <a href="http://en.wikipedia.org/wiki/Hex_dump">hex dump of the line separator in UTF-8 encoding.
     */
    @Override
    public String toString() {
        return ByteBufUtil.hexDump(value.getBytes(CharsetUtil.UTF_8));
    }
}

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