![[Jenkins]](/ci/static/a01a62b1/images/svgs/logo.svg){kind=logo}
Package: DciMarshalXStreamExample
DciMarshalXStreamExample
| name | instruction | branch | complexity | line | method | ||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| DciMarshalXStreamExample() |
|
|
|
|
|
||||||||||||||||||||
| alternateSyntax() |
|
|
|
|
|
||||||||||||||||||||
| codeThatUsesMarshalling() |
|
|
|
|
|
||||||||||||||||||||
| codeThatUsesMarshalling2() |
|
|
|
|
|
||||||||||||||||||||
| run() |
|
|
|
|
|
||||||||||||||||||||
| runWithXStreamContext1() |
|
|
|
|
|
||||||||||||||||||||
| runWithXStreamContext2() |
|
|
|
|
|
||||||||||||||||||||
| static {...} |
|
|
|
|
|
||||||||||||||||||||
Coverage
1: /*
2: * *************************************************************************************************************************************************************
3: *
4: * TheseFoolishThings: Miscellaneous utilities
5: * http://tidalwave.it/projects/thesefoolishthings
6: *
7: * Copyright (C) 2009 - 2025 by Tidalwave s.a.s. (http://tidalwave.it)
8: *
9: * *************************************************************************************************************************************************************
10: *
11: * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License.
12: * You may obtain a copy of the License at
13: *
14: * http://www.apache.org/licenses/LICENSE-2.0
15: *
16: * 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
17: * CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.
18: *
19: * *************************************************************************************************************************************************************
20: *
21: * git clone https://bitbucket.org/tidalwave/thesefoolishthings-src
22: * git clone https://github.com/tidalwave-it/thesefoolishthings-src
23: *
24: * *************************************************************************************************************************************************************
25: */
26: package it.tidalwave.thesefoolishthings.examples.dci.marshal.xstream;
27:
28: import javax.annotation.Nonnull;
29: import jakarta.inject.Inject;
30: import java.io.ByteArrayInputStream;
31: import java.io.ByteArrayOutputStream;
32: import java.io.IOException;
33: import java.nio.file.Path;
34: import edu.umd.cs.findbugs.annotations.SuppressFBWarnings;
35: import it.tidalwave.util.AsExtensions;
36: import it.tidalwave.util.ContextManager;
37: import it.tidalwave.util.Id;
38: import it.tidalwave.thesefoolishthings.examples.dci.marshal.role.XStreamContext1;
39: import it.tidalwave.thesefoolishthings.examples.dci.marshal.role.XStreamContext2;
40: import it.tidalwave.thesefoolishthings.examples.person.ListOfPersons;
41: import it.tidalwave.thesefoolishthings.examples.person.Person;
42: import lombok.experimental.ExtensionMethod;
43: import lombok.extern.slf4j.Slf4j;
44: import static it.tidalwave.thesefoolishthings.examples.dci.marshal.role.Loadable._Loadable_;
45: import static it.tidalwave.thesefoolishthings.examples.dci.marshal.role.Savable._Savable_;
46: import static java.nio.charset.StandardCharsets.UTF_8;
47: import static it.tidalwave.role.io.Marshallable._Marshallable_;
48: import static it.tidalwave.role.io.Unmarshallable._Unmarshallable_;
49:
50: /***************************************************************************************************************************************************************
51: *
52: * Note: this code uses {@code @ExtensionMethod} from Lombok to enhance datum classes with the
53: * {@link it.tidalwave.util.As#as(Class)}, but it is not strictly required.
54: *
55: * @author Fabrizio Giudici
56: *
57: **************************************************************************************************************************************************************/
58: @ExtensionMethod(AsExtensions.class) @Slf4j
59: public class DciMarshalXStreamExample
60: {
61: @Inject
62: private ContextManager contextManager;
63:
64: public void run()
65: throws IOException
66: {
67: runWithXStreamContext1();
68: runWithXStreamContext2();
69: }
70:
71: private void runWithXStreamContext1()
72: throws IOException
73: {
74: // START SNIPPET: xstreamcontext-contextmanager
75: final var xStreamContext1 = new XStreamContext1();
76:
77: try
78: {
79: contextManager.addLocalContext(xStreamContext1);
80: codeThatUsesMarshalling();
81: }
82: finally
83: {
84: contextManager.removeLocalContext(xStreamContext1);
85: }
86: // END SNIPPET: xstreamcontext-contextmanager
87: }
88:
89: @SuppressWarnings("unused")
90: private void runWithXStreamContext2()
91: throws IOException
92: {
93: // START SNIPPET: xstreamcontext-contextmanager2
94: try (final var binder = contextManager.binder(new XStreamContext2()))
95: {
96: codeThatUsesMarshalling();
97: }
98: // END SNIPPET: xstreamcontext-contextmanager2
99: }
100:
101: @SuppressWarnings("unused") @SuppressFBWarnings("UPM_UNCALLED_PRIVATE_METHOD")
102: private void alternateSyntax()
103: throws IOException
104: {
105: contextManager.runEWithContexts(this::codeThatUsesMarshalling, new XStreamContext2());
106: final var s = contextManager.runEWithContexts(this::codeThatUsesMarshalling2, new XStreamContext2());
107: log.info("{}", s);
108: }
109:
110: private void codeThatUsesMarshalling()
111: throws IOException
112: {
113: final var path1 = Path.of("target/Person.xml");
114: final var path2 = Path.of("target/People.xml");
115: // START SNIPPET: xstreamcontext-example1
116: final var joe = new Person(new Id("1"), "Joe", "Smith");
117: final var luke = new Person(new Id("2"), "Luke", "Skywalker");
118:
119: var marshalledPersons = "";
120: var marshalledPerson = "";
121:
122: try (final var os = new ByteArrayOutputStream())
123: {
124: joe.as(_Marshallable_).marshal(os);
125: log.info("******** (joe as Marshallable) marshalled: {}\n", marshalledPerson = os.toString(UTF_8));
126: }
127:
128: try (final var os = new ByteArrayOutputStream())
129: {
130: ListOfPersons.of(joe, luke).as(_Marshallable_).marshal(os);
131: log.info("******** (listOfPersons as Marshallable) marshalled: {}\n", marshalledPersons = os.toString(UTF_8));
132: }
133: // END SNIPPET: xstreamcontext-example1
134:
135: // START SNIPPET: xstreamcontext-example2
136: try (final var is = new ByteArrayInputStream(marshalledPerson.getBytes(UTF_8)))
137: {
138: final var person = Person.prototype().as(_Unmarshallable_).unmarshal(is);
139: log.info("******** Unmarshalled person: {}\n", person);
140: }
141:
142: try (final var is = new ByteArrayInputStream(marshalledPersons.getBytes(UTF_8)))
143: {
144: final var listOfPersons = ListOfPersons.empty().as(_Unmarshallable_).unmarshal(is);
145: log.info("******** Unmarshalled persons: {}\n", listOfPersons);
146: }
147: // END SNIPPET: xstreamcontext-example2
148:
149: // START SNIPPET: xstreamcontext-savable-loadable
150: joe.as(_Savable_).saveTo(path1);
151: ListOfPersons.of(joe, luke).as(_Savable_).saveTo(path2);
152: final var p = Person.prototype().as(_Loadable_).loadFrom(path1);
153: final var lp = ListOfPersons.empty().as(_Loadable_).loadFrom(path2);
154: // END SNIPPET: xstreamcontext-savable-loadable
155: log.info("******** Loaded person: {}\n", p);
156: log.info("******** Loaded persons: {}\n", lp);
157: }
158:
159: @Nonnull
160: private String codeThatUsesMarshalling2()
161: throws IOException
162: {
163: codeThatUsesMarshalling();
164: return "foo bar";
165: }
166: }