01: /*
02: * (c) Copyright 2006 by Volker Bergmann. All rights reserved.
03: *
04: * Redistribution and use in source and binary forms, with or without
05: * modification, is permitted under the terms of the
06: * GNU General Public License.
07: *
08: * For redistributing this software or a derivative work under a license other
09: * than the GPL-compatible Free Software License as defined by the Free
10: * Software Foundation or approved by OSI, you must first obtain a commercial
11: * license to this software product from Volker Bergmann.
12: *
13: * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
14: * WITHOUT A WARRANTY OF ANY KIND. ALL EXPRESS OR IMPLIED CONDITIONS,
15: * REPRESENTATIONS AND WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF
16: * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE
17: * HEREBY EXCLUDED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
18: * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
19: * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
20: * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
21: * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
22: * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
23: * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
24: * POSSIBILITY OF SUCH DAMAGE.
25: */
26:
27: package org.databene.benerator.wrapper;
28:
29: import org.databene.benerator.Generator;
30: import org.databene.benerator.MultiGeneratorWrapper;
31:
32: import java.lang.reflect.Array;
33:
34: /**
35: * Keeps an array of generators, of which it combines the products to an array.<br/>
36: * <br/>
37: * Created: 26.08.2006 09:37:55
38: */
39: public class CompositeArrayGenerator<S> extends
40: MultiGeneratorWrapper<S, S[]> {
41:
42: private Class<S> componentType;
43:
44: // constructors ----------------------------------------------------------------------------------------------------
45:
46: public CompositeArrayGenerator() {
47: super ();
48: }
49:
50: /** Initializes the generator to an array of source generators */
51: public CompositeArrayGenerator(Class<S> componentType,
52: Generator<S>... sources) {
53: super (sources);
54: this .componentType = componentType;
55: }
56:
57: // Generator implementation ----------------------------------------------------------------------------------------
58:
59: public Class<S[]> getGeneratedType() {
60: return (Class<S[]>) Array.newInstance(componentType, 0)
61: .getClass();
62: }
63:
64: /** @see org.databene.benerator.Generator#generate() */
65: public S[] generate() {
66: S[] array = (S[]) Array.newInstance(componentType,
67: sources.length);
68: for (int i = 0; i < array.length; i++) {
69: try {
70: array[i] = sources[i].generate();
71: } catch (Exception e) {
72: throw new RuntimeException(
73: "Generation failed for generator #" + i + ": "
74: + sources[i], e);
75: }
76: }
77: return array;
78: }
79:
80: }
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