1 /*
2 * Copyright (c) 2008, 2013, 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. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
27 import com.sun.beans.util.Cache;
28
29 import java.lang.reflect.Constructor;
30 import java.lang.reflect.Modifier;
31
32 import static com.sun.beans.util.Cache.Kind.SOFT;
33 import static sun.reflect.misc.ReflectUtil.isPackageAccessible;
34
35 /**
36 * This utility class provides {@code static} methods
37 * to find a public constructor with specified parameter types
38 * in specified class.
39 *
40 * @since 1.7
41 *
42 * @author Sergey A. Malenkov
43 */
44 public final class ConstructorFinder extends AbstractFinder<Constructor<?>> {
45 private static final Cache<Signature, Constructor<?>> CACHE = new Cache<Signature, Constructor<?>>(SOFT, SOFT) {
46 @Override
47 public Constructor create(Signature signature) {
48 try {
49 ConstructorFinder finder = new ConstructorFinder(signature.getArgs());
50 return finder.find(signature.getType().getConstructors());
51 }
52 catch (Exception exception) {
53 throw new SignatureException(exception);
54 }
55 }
56 };
57
58 /**
59 * Finds public constructor
60 * that is declared in public class.
61 *
62 * @param type the class that can have constructor
63 * @param args parameter types that is used to find constructor
64 * @return object that represents found constructor
65 * @throws NoSuchMethodException if constructor could not be found
66 * or some constructors are found
67 */
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1 /*
2 * Copyright (c) 2008, 2014, 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. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
27 import com.sun.beans.util.Cache;
28
29 import java.lang.reflect.Constructor;
30 import java.lang.reflect.Modifier;
31
32 import static com.sun.beans.util.Cache.Kind.SOFT;
33 import static sun.reflect.misc.ReflectUtil.isPackageAccessible;
34
35 /**
36 * This utility class provides {@code static} methods
37 * to find a public constructor with specified parameter types
38 * in specified class.
39 *
40 * @since 1.7
41 *
42 * @author Sergey A. Malenkov
43 */
44 public final class ConstructorFinder extends AbstractFinder<Constructor<?>> {
45 private static final Cache<Signature, Constructor<?>> CACHE = new Cache<Signature, Constructor<?>>(SOFT, SOFT) {
46 @Override
47 public Constructor<?> create(Signature signature) {
48 try {
49 ConstructorFinder finder = new ConstructorFinder(signature.getArgs());
50 return finder.find(signature.getType().getConstructors());
51 }
52 catch (Exception exception) {
53 throw new SignatureException(exception);
54 }
55 }
56 };
57
58 /**
59 * Finds public constructor
60 * that is declared in public class.
61 *
62 * @param type the class that can have constructor
63 * @param args parameter types that is used to find constructor
64 * @return object that represents found constructor
65 * @throws NoSuchMethodException if constructor could not be found
66 * or some constructors are found
67 */
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