/*
    * Licensed to the Apache Software Foundation (ASF) under one
    * or more contributor license agreements.  See the NOTICE file
    * distributed with this work for additional information
    * regarding copyright ownership.  The ASF licenses this file
    * to you 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.apache.maven.settings.io;
  
  import javax.inject.Named;
  import javax.inject.Singleton;
  import javax.xml.stream.XMLStreamException;
  
  import java.io.File;
  import java.io.IOException;
  import java.io.OutputStream;
  import java.io.Writer;
  import java.nio.file.Files;
  import java.util.Map;
  import java.util.Objects;
  
  import org.apache.maven.settings.Settings;
  import org.apache.maven.settings.v4.SettingsStaxWriter;
  
  /**
   * Handles serialization of settings into the default textual format.
   *
   */
  @Named
  @Singleton
  public class DefaultSettingsWriter implements SettingsWriter {
  
      @Override
      public void write(File output, Map<String, Object> options, Settings settings) throws IOException {
          Objects.requireNonNull(output, "output cannot be null");
          Objects.requireNonNull(settings, "settings cannot be null");
  
          output.getParentFile().mkdirs();
  
          write(Files.newOutputStream(output.toPath()), options, settings);
      }
  
      @Override
      public void write(Writer output, Map<String, Object> options, Settings settings) throws IOException {
          Objects.requireNonNull(output, "output cannot be null");
          Objects.requireNonNull(settings, "settings cannot be null");
  
          try (Writer out = output) {
              new SettingsStaxWriter().write(out, settings.getDelegate());
          } catch (XMLStreamException e) {
              throw new IOException("Error writing settings", e);
          }
      }
  
      @Override
      public void write(OutputStream output, Map<String, Object> options, Settings settings) throws IOException {
          Objects.requireNonNull(output, "output cannot be null");
          Objects.requireNonNull(settings, "settings cannot be null");
  
          try (OutputStream out = output) {
              new SettingsStaxWriter().write(out, settings.getDelegate());
          } catch (XMLStreamException e) {
              throw new IOException("Error writing settings", e);
          }
      }
  }