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1   /*
2    * Licensed to the Apache Software Foundation (ASF) under one
3    * or more contributor license agreements.  See the NOTICE file
4    * distributed with this work for additional information
5    * regarding copyright ownership.  The ASF licenses this file
6    * to you under the Apache License, Version 2.0 (the
7    * "License"); you may not use this file except in compliance
8    * with the License.  You may obtain a copy of the License at
9    *
10   *   http://www.apache.org/licenses/LICENSE-2.0
11   *
12   * Unless required by applicable law or agreed to in writing,
13   * software distributed under the License is distributed on an
14   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15   * KIND, either express or implied.  See the License for the
16   * specific language governing permissions and limitations
17   * under the License.
18   */
19  package org.apache.maven.toolchain.io;
20  
21  import javax.inject.Named;
22  import javax.inject.Singleton;
23  import javax.xml.stream.XMLStreamException;
24  
25  import java.io.IOException;
26  import java.io.Writer;
27  import java.util.Map;
28  import java.util.Objects;
29  
30  import org.apache.maven.toolchain.model.PersistedToolchains;
31  import org.apache.maven.toolchain.v4.MavenToolchainsStaxWriter;
32  
33  /**
34   * Handles serialization of toolchains into the default textual format.
35   *
36   */
37  @Named
38  @Singleton
39  public class DefaultToolchainsWriter implements ToolchainsWriter {
40  
41      @Override
42      public void write(Writer output, Map<String, Object> options, PersistedToolchains toolchains) throws IOException {
43          Objects.requireNonNull(output, "output cannot be null");
44          Objects.requireNonNull(toolchains, "toolchains cannot be null");
45  
46          try (Writer out = output) {
47              new MavenToolchainsStaxWriter().write(out, toolchains.getDelegate());
48          } catch (XMLStreamException e) {
49              throw new IOException("Error writing toolchains", e);
50          }
51      }
52  }