CsvOutput.java

net.minecraft.util.CsvOutput

信息

• 全限定名：net.minecraft.util.CsvOutput
• 类型：public class
• 包：net.minecraft.util
• 源码路径：src/main/java/net/minecraft/util/CsvOutput.java
• 起始行号：L12
• 职责：

  TODO

字段/常量

• LINE_SEPARATOR

  • 类型: String
  • 修饰符: private static final
  • 源码定位: L13
  • 说明:

    TODO

• FIELD_SEPARATOR

  • 类型: String
  • 修饰符: private static final
  • 源码定位: L14
  • 说明:

    TODO

• output

  • 类型: Writer
  • 修饰符: private final
  • 源码定位: L15
  • 说明:

    TODO

• columnCount

  • 类型: int
  • 修饰符: private final
  • 源码定位: L16
  • 说明:

    TODO

内部类/嵌套类型

• net.minecraft.util.CsvOutput.Builder
  • 类型: class
  • 修饰符: public static
  • 源码定位: L44
  • 说明:

    TODO

构造器

private CsvOutput(Writer output, List<String> headers) @ L18

• 构造器名：CsvOutput
• 源码定位：L18
• 修饰符：private

参数:

• output: Writer
• headers: List

说明:

TODO

方法

下面的方法块按源码顺序生成。

public static CsvOutput.Builder builder() @ L24

• 方法名：builder
• 源码定位：L24
• 返回类型：CsvOutput.Builder
• 修饰符：public static

参数:

• 无

说明:

TODO

public void writeRow(Object... values) @ L28

• 方法名：writeRow
• 源码定位：L28
• 返回类型：void
• 修饰符：public

参数:

• values: Object…

说明:

TODO

private void writeLine(Stream<?extends Object> values) @ L36

• 方法名：writeLine
• 源码定位：L36
• 返回类型：void
• 修饰符：private

参数:

• values: Stream<?extends Object>

说明:

TODO

private static String getStringValue(Object value) @ L40

• 方法名：getStringValue
• 源码定位：L40
• 返回类型：String
• 修饰符：private static

参数:

• value: Object

说明:

TODO

代码

public class CsvOutput {
    private static final String LINE_SEPARATOR = "\r\n";
    private static final String FIELD_SEPARATOR = ",";
    private final Writer output;
    private final int columnCount;
 
    private CsvOutput(Writer output, List<String> headers) throws IOException {
        this.output = output;
        this.columnCount = headers.size();
        this.writeLine(headers.stream());
    }
 
    public static CsvOutput.Builder builder() {
        return new CsvOutput.Builder();
    }
 
    public void writeRow(@Nullable Object... values) throws IOException {
        if (values.length != this.columnCount) {
            throw new IllegalArgumentException("Invalid number of columns, expected " + this.columnCount + ", but got " + values.length);
        } else {
            this.writeLine(Stream.of(values));
        }
    }
 
    private void writeLine(Stream<? extends @Nullable Object> values) throws IOException {
        this.output.write(values.map(CsvOutput::getStringValue).collect(Collectors.joining(",")) + "\r\n");
    }
 
    private static String getStringValue(@Nullable Object value) {
        return StringEscapeUtils.escapeCsv(value != null ? value.toString() : "[null]");
    }
 
    public static class Builder {
        private final List<String> headers = Lists.newArrayList();
 
        public CsvOutput.Builder addColumn(String header) {
            this.headers.add(header);
            return this;
        }
 
        public CsvOutput build(Writer writer) throws IOException {
            return new CsvOutput(writer, this.headers);
        }
    }
}

引用的其他类

• ClientboundPlayerInfoUpdatePacket
  • 引用位置: 参数/字段