br.com.objectos.flat.FlatAppendable Maven / Gradle / Ivy

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/*
 * Copyright 2016 Objectos, Fábrica de Software LTDA.
 *
 * Licensed 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 br.com.objectos.flat;

import java.io.IOException;
import java.io.UncheckedIOException;

/**
 * @author [email protected] (Marcio Endo)
 */
class FlatAppendable {

  private final Appendable delegate;

  public FlatAppendable(Appendable delegate) {
    this.delegate = delegate;
  }

  public Appendable append(CharSequence csq) {
    try {
      return delegate.append(csq);
    } catch (IOException e) {
      throw new UncheckedIOException(e);
    }
  }

  public Appendable append(char c) {
    try {
      return delegate.append(c);
    } catch (IOException e) {
      throw new UncheckedIOException(e);
    }
  }

  public Appendable append(int length, String text) {
    return append(TextTransformation.TRUNCATE.apply(text, length));
  }

  public Appendable append(int length, String format, Object... options) {
    return append(length, String.format(format, options));
  }

  public void close() {
    if (delegate instanceof AutoCloseable) {
      try {
        ((AutoCloseable) delegate).close();
      } catch (Exception e) {
        throw new RuntimeException(e);
      }
    }
  }

}