/*
    * 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.toolchain;
  
  import javax.inject.Named;
  import javax.inject.Singleton;
  
  import java.io.File;
  import java.io.InputStream;
  import java.nio.file.Files;
  
  import org.apache.maven.toolchain.model.PersistedToolchains;
  import org.apache.maven.toolchain.v4.MavenToolchainsStaxReader;
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  
  /**
   * @deprecated instead use {@link org.apache.maven.toolchain.building.DefaultToolchainsBuilder}
   */
  @Deprecated
  @Named("default")
  @Singleton
  public class DefaultToolchainsBuilder implements ToolchainsBuilder {
      private final Logger logger = LoggerFactory.getLogger(getClass());
  
      @Override
      public PersistedToolchains build(File userToolchainsFile) throws MisconfiguredToolchainException {
          PersistedToolchains toolchains = null;
  
          if (userToolchainsFile != null && userToolchainsFile.isFile()) {
              try (InputStream in = Files.newInputStream(userToolchainsFile.toPath())) {
                  toolchains = new PersistedToolchains(new MavenToolchainsStaxReader().read(in));
              } catch (Exception e) {
                  throw new MisconfiguredToolchainException(
                          "Cannot read toolchains file at " + userToolchainsFile.getAbsolutePath(), e);
              }
  
          } else if (userToolchainsFile != null) {
              logger.debug("Toolchains configuration was not found at {}", userToolchainsFile);
          }
  
          return toolchains;
      }
  }