/**
 * Copyright 2010 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 org.waveprotocol.pst;

import com.google.common.collect.ImmutableList;

import java.util.List;

/**
 * Exception caused by any errors caused in code generation.
 *
 * @author kalman@google.com (Benjamin Kalman)
 */
public final class PstException extends Exception {

  public static final class TemplateException extends Exception {
    private final String templateName;

    public TemplateException(String templateName, String message, Throwable cause) {
      super(message, cause);
      this.templateName = templateName;
    }

    public TemplateException(String templateName, Throwable cause) {
      super(cause);
      this.templateName = templateName;
    }

    /**
     * @return the name of the template being parsed when the exception occurred
     */
    public String getTemplateName() {
      return templateName;
    }
  }

  private final ImmutableList<TemplateException> exceptions;

  public PstException(List<TemplateException> exceptions) {
    super();
    this.exceptions = ImmutableList.copyOf(exceptions);
  }

  /**
   * @return all exceptions caused
   */
  public ImmutableList<TemplateException> getTemplateExceptions() {
    return exceptions;
  }
}