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.plugins.dependency.tree;
20
21 import java.io.PrintWriter;
22 import java.io.Writer;
23
24 /**
25 * Abstract class for visitors performing serialization.
26 *
27 * @author <a href="mailto:jerome.creignou@gmail.com">Jerome Creignou</a>
28 */
29 public abstract class AbstractSerializingVisitor {
30
31 /**
32 * The writer to serialize to.
33 */
34 protected final PrintWriter writer;
35
36 /**
37 * Constructor.
38 * <p>
39 * Build a new AbstractSerializingDependencyNodeVisitor with the writer to serialize to.
40 * </p>
41 *
42 * @param writer the writer to serialize to.
43 */
44 public AbstractSerializingVisitor(Writer writer) {
45 if (writer instanceof PrintWriter) {
46 this.writer = (PrintWriter) writer;
47 } else {
48 this.writer = new PrintWriter(writer, true);
49 }
50 }
51 }