ArrayParser.java revision 1870:4aa2e64eff30
1/*
2 * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23
24package jdk.test.failurehandler.value;
25
26import java.lang.reflect.Array;
27import java.util.Objects;
28
29public class ArrayParser implements ValueParser {
30    private final ValueParser parser;
31
32    public ArrayParser(ValueParser parser) {
33        Objects.requireNonNull(parser);
34        this.parser = parser;
35    }
36
37    @Override
38    public Object parse(Class<?> type, String value, String delimiter) {
39        Class<?> component = type.getComponentType();
40        if (component.isArray()) {
41            throw new IllegalArgumentException(
42                    "multidimensional array fields aren't supported");
43        }
44        String[] values = (value == null || value.isEmpty())
45                          ? new String[]{}
46                          : value.split(delimiter);
47        Object result = Array.newInstance(component, values.length);
48        for (int i = 0, n = values.length; i < n; ++i) {
49            Array.set(result, i, parser.parse(component, values[i], delimiter));
50        }
51        return result;
52    }
53}
54