package org.apache.maven.settings.io;
   
   /*
    * 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.
   */
  
  import java.io.File;
  import java.io.IOException;
  import java.io.InputStream;
  import java.io.Reader;
  import java.util.Map;
  import java.util.Objects;
  
  import javax.inject.Named;
  import javax.inject.Singleton;
  
  import org.apache.maven.settings.Settings;
  import org.apache.maven.settings.io.xpp3.SettingsXpp3Reader;
  import org.codehaus.plexus.util.ReaderFactory;
  import org.codehaus.plexus.util.xml.pull.XmlPullParserException;
  
  /**
   * Handles deserialization of settings from the default textual format.
   *
   * @author Benjamin Bentmann
   */
  @Named
  @Singleton
  public class DefaultSettingsReader
      implements SettingsReader
  {
  
      @Override
      public Settings read( File input, Map<String, ?> options )
          throws IOException
      {
          Objects.requireNonNull( input, "input cannot be null" );
  
          Settings settings = read( ReaderFactory.newXmlReader( input ), options );
  
          return settings;
      }
  
      @Override
      public Settings read( Reader input, Map<String, ?> options )
          throws IOException
      {
          Objects.requireNonNull( input, "input cannot be null" );
  
          try ( final Reader in = input )
          {
              return new SettingsXpp3Reader().read( in, isStrict( options ) );
          }
          catch ( XmlPullParserException e )
          {
              throw new SettingsParseException( e.getMessage(), e.getLineNumber(), e.getColumnNumber(), e );
          }
      }
  
      @Override
      public Settings read( InputStream input, Map<String, ?> options )
          throws IOException
      {
          Objects.requireNonNull( input, "input cannot be null" );
  
          try ( final InputStream in = input )
          {
              return new SettingsXpp3Reader().read( in, isStrict( options ) );
          }
          catch ( XmlPullParserException e )
          {
              throw new SettingsParseException( e.getMessage(), e.getLineNumber(), e.getColumnNumber(), e );
          }
      }
  
      private boolean isStrict( Map<String, ?> options )
      {
          Object value = ( options != null ) ? options.get( IS_STRICT ) : null;
          return value == null || Boolean.parseBoolean( value.toString() );
      }
  
  }