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Utilities for testing compilation.

There is a newer version: 0.21.0

/*
 * Copyright (C) 2013 Google, Inc.
 *
 * 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 com.google.testing.compile;

import javax.tools.Diagnostic;

/**
 * Utilities for working with {@link Diagnostic} instances and collections thereof.
 *
 * @author Gregory Kick
 */
final class Diagnostics {
  private Diagnostics() {}

  /**
   * Returns {@code diagnostics} as a {@link String} similar to the error output printed by
   * {@code javac}.
   */
  static String toString(Iterable> diagnostics) {
    StringBuilder builder = new StringBuilder();
    for (Diagnostic diagnostic : diagnostics) {
      builder.append(diagnostic.toString()).append('\n');
    }
    return builder.toString();
  }
}