[maven-file-management] 01/01: [MSHARED-958] added missing regexp mapper

[sl...@apache.org]

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slachiewicz pushed a commit to branch MSHARED-958
in repository https://gitbox.apache.org/repos/asf/maven-file-management.git

commit 476138eaedd883cd740c61e645b9d3563389911f
Author: Brian Long <br...@alfresco.com>
AuthorDate: Thu Mar 26 10:31:14 2020 -0400

    [MSHARED-958] added missing regexp mapper
    
    Closes #2
---
 .../model/fileset/mappers/RegexpPatternMapper.java | 62 ++++++++++++++++++++++
 1 file changed, 62 insertions(+)

diff --git a/src/main/java/org/apache/maven/shared/model/fileset/mappers/RegexpPatternMapper.java b/src/main/java/org/apache/maven/shared/model/fileset/mappers/RegexpPatternMapper.java
new file mode 100644
index 0000000..92b3bf5
--- /dev/null
+++ b/src/main/java/org/apache/maven/shared/model/fileset/mappers/RegexpPatternMapper.java
@@ -0,0 +1,62 @@
+package org.apache.maven.shared.model.fileset.mappers;
+
+/*
+ * 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.util.regex.Matcher;
+import java.util.regex.Pattern;
+
+/**
+ * Implementation of RegexpPatternMapper that returns either the source file
+ * name or it processed by a matching Regular Expression and its replacement. 
+ *
+ * <p>This is a RegexpPatternMapper for the copy and move tasks.</p>
+ *
+ * @version $Id$
+ */
+public class RegexpPatternMapper
+    implements FileNameMapper
+{
+    private Pattern fromPattern;
+    private String toReplaceExpression;
+
+    /** {@inheritDoc} */
+    public void setFrom( String from )
+    {
+        this.fromPattern = Pattern.compile( from );
+    }
+
+    /** {@inheritDoc} */
+    public void setTo( String to )
+    {
+        this.toReplaceExpression = to;
+    }
+
+    /** {@inheritDoc} */
+    public String mapFileName( String sourceFileName )
+    {
+        Matcher matcher = this.fromPattern.matcher( sourceFileName );
+        if ( !matcher.find( ) )
+        {
+            return sourceFileName;
+        }
+
+        return matcher.replaceFirst( this.toReplaceExpression );
+    }
+}