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Subject [GitHub] [commons-beanutils] garydgregory commented on a change in pull request #10: BEANUTILS-528: New converters for UUID, URI, and Path.
Date Mon, 21 Oct 2019 19:23:32 GMT
garydgregory commented on a change in pull request #10: BEANUTILS-528: New converters for UUID,
URI, and Path.
URL: https://github.com/apache/commons-beanutils/pull/10#discussion_r337195779
 
 

 ##########
 File path: src/main/java/org/apache/commons/beanutils2/converters/PathConverter.java
 ##########
 @@ -0,0 +1,83 @@
+/*
+ * 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.commons.beanutils2.converters;
+
+import java.nio.file.Path;
+import java.nio.file.Paths;
+
+/**
+ * {@link org.apache.commons.beanutils2.Converter} implementation that handles conversion
+ * to and from <b>java.nio.file.Path</b> objects.
+ * <p>
+ * Can be configured to either return a <i>default value</i> or throw a
+ * <code>ConversionException</code> if a conversion error occurs.
+ *
+ * @since 2.0
+ */
+public final class PathConverter extends AbstractConverter {
+
+    /**
+     * Construct a <b>java.nio.file.Path</b> <i>Converter</i> that
throws
+     * a <code>ConversionException</code> if an error occurs.
+     */
+    public PathConverter() {
+        super();
+    }
+
+    /**
+     * Construct a <b>java.nio.file.Path</b> <i>Converter</i> that
returns
+     * a default value if an error occurs.
+     *
+     * @param defaultValue The default value to be returned
+     * if the value to be converted is missing or an error
+     * occurs converting the value.
+     */
+    public PathConverter(final Object defaultValue) {
+        super(defaultValue);
+    }
+
+    /**
+     * Return the default type this <code>Converter</code> handles.
+     *
+     * @return The default type this <code>Converter</code> handles.
+     * @since 2.0
+     */
+    @Override
+    protected Class<?> getDefaultType() {
+        return Path.class;
+    }
+
+    /**
+     * <p>Convert a java.nio.file.Path or object into a String.</p>
+     *
+     * @param <T> Target type of the conversion.
+     * @param type Data type to which this value should be converted.
+     * @param value The input value to be converted.
+     * @return The converted value.
+     * @throws Throwable if an error occurs converting to the specified type
+     * @since 2.0
+     */
+    @Override
+    protected <T> T convertToType(final Class<T> type, final Object value) throws
Throwable {
+        if (Path.class.equals(type)) {
+            return type.cast(Paths.get(String.valueOf(value)));
 
 Review comment:
   Doesn't the same apply to the URI converter since it is not a final class?

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