1 package org.apache.maven.plugin.dependency.tree ;
2
3 /*
4 * Licensed to the Apache Software Foundation (ASF) under one
5 * or more contributor license agreements. See the NOTICE file
6 * distributed with this work for additional information
7 * regarding copyright ownership. The ASF licenses this file
8 * to you under the Apache License, Version 2.0 (the
9 * "License"); you may not use this file except in compliance
10 * with the License. You may obtain a copy of the License at
11 *
12 * http://www.apache.org/licenses/LICENSE-2.0
13 *
14 * Unless required by applicable law or agreed to in writing,
15 * software distributed under the License is distributed on an
16 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
17 * KIND, either express or implied. See the License for the
18 * specific language governing permissions and limitations
19 * under the License.
20 */
21
22 import java.io.PrintWriter;
23 import java.io.Writer;
24
25 /**
26 * Abstract class for visitors performing serialization.
27 *
28 * @author <a href="mailto:jerome.creignou@gmail.com">Jerome Creignou</a>
29 */
30 public abstract class AbstractSerializingVisitor
31 {
32
33 /**
34 * The writer to serialize to.
35 */
36 protected final PrintWriter writer;
37
38 /**
39 * Constructor.
40 * <p>
41 * Build a new AbstractSerializingDependencyNodeVisitor with the writer to serialize to.
42 * </p>
43 *
44 * @param writer the writer to serialize to.
45 */
46 public AbstractSerializingVisitor( Writer writer )
47 {
48 if ( writer instanceof PrintWriter )
49 {
50 this.writer = (PrintWriter) writer;
51 }
52 else
53 {
54 this.writer = new PrintWriter( writer, true );
55 }
56 }
57 }