io.dinject.javalin.generator.Append Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of javalin-generator Show documentation

There is a newer version: 1.22

package io.dinject.javalin.generator;

import java.io.IOException;
import java.io.Writer;

/**
 * Helper that wraps a writer with some useful methods to append content.
 */
class Append {

  private final Writer writer;

  Append(Writer writer) {
    this.writer = writer;
  }

  Append append(String content) {
    try {
      writer.append(content);
      return this;
    } catch (IOException e) {
      throw new RuntimeException(e);
    }
  }

  void close() {
    try {
      writer.flush();
      writer.close();
    } catch (IOException e) {
      throw new RuntimeException(e);
    }
  }

  Append eol() {
    try {
      writer.append("\n");
      return this;
    } catch (IOException e) {
      throw new RuntimeException(e);
    }
  }

  /**
   * Append content with formatted arguments.
   */
  Append append(String format, Object... args) {
    return append(String.format(format, args));
  }

}