playn.core.json.JsonAppendableWriter Maven / Gradle / Ivy

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/**
 * Copyright 2011 The PlayN Authors
 *
 * 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 playn.core.json;

import java.io.Flushable;
import java.io.IOException;

final class JsonAppendableWriter extends JsonWriterBase implements
    JsonSink {
  JsonAppendableWriter(Appendable appendable) {
    super(appendable);
  }

  /**
   * Closes this JSON writer and flushes the underlying {@link Appendable} if it is also {@link Flushable}.
   * 
   * @throws JsonWriterException
   *             if the underlying {@link Flushable} {@link Appendable} failed to flush.
   */
  public void done() throws JsonWriterException {
    super.doneInternal();
    if (appendable instanceof Flushable) {
      try {
        ((Flushable) appendable).flush();
      } catch (IOException e) {
        throw new JsonWriterException(e);
      }
    }
  }
}