-
Notifications
You must be signed in to change notification settings - Fork 4.6k
/
GeneratePluginDescriptors.java
118 lines (105 loc) · 4.23 KB
/
GeneratePluginDescriptors.java
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
/*
* Copyright 2016 the original author or authors.
*
* Licensed 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.gradle.plugin.devel.tasks;
import org.gradle.api.DefaultTask;
import org.gradle.api.UncheckedIOException;
import org.gradle.api.file.DirectoryProperty;
import org.gradle.api.model.ObjectFactory;
import org.gradle.api.provider.ListProperty;
import org.gradle.api.provider.Provider;
import org.gradle.api.tasks.Input;
import org.gradle.api.tasks.Internal;
import org.gradle.api.tasks.OutputDirectory;
import org.gradle.api.tasks.TaskAction;
import org.gradle.internal.file.Deleter;
import org.gradle.internal.util.PropertiesUtils;
import org.gradle.plugin.devel.PluginDeclaration;
import org.gradle.work.DisableCachingByDefault;
import javax.inject.Inject;
import java.io.File;
import java.io.IOException;
import java.util.LinkedHashMap;
import java.util.Map;
import java.util.Properties;
import java.util.stream.Collectors;
/**
* Generates plugin descriptors from plugin declarations.
*/
@DisableCachingByDefault(because = "Not worth caching")
public abstract class GeneratePluginDescriptors extends DefaultTask {
private final ListProperty<PluginDeclaration> declarations;
private final Provider<Map<String, String>> implementationClassById;
private final DirectoryProperty outputDirectory;
public GeneratePluginDescriptors() {
ObjectFactory objectFactory = getProject().getObjects();
declarations = objectFactory.listProperty(PluginDeclaration.class);
outputDirectory = objectFactory.directoryProperty();
implementationClassById = getDeclarations().map(declarations -> declarations.stream()
.collect(Collectors.toMap(PluginDeclaration::getId, PluginDeclaration::getImplementationClass, (a, b) -> b, LinkedHashMap::new))
);
}
/**
* The plugin declarations used to create the descriptors.
*/
@Internal("Changes for the declarations are tracked via implementationClassById")
public ListProperty<PluginDeclaration> getDeclarations() {
return declarations;
}
/**
* Returns all {@code (id, implementation class)} pairs from {@link #getDeclarations()}.
* <p>
* This map is the only input needed from the plugin declarations to create the plugin descriptors.
*/
@Input
Provider<Map<String, String>> getImplementationClassById() {
return implementationClassById;
}
@OutputDirectory
public DirectoryProperty getOutputDirectory() {
return outputDirectory;
}
@TaskAction
public void generatePluginDescriptors() {
File outputDir = outputDirectory.get().getAsFile();
clearOutputDirectory(outputDir);
for (Map.Entry<String, String> entry : implementationClassById.get().entrySet()) {
String id = entry.getKey();
String implementationClass = entry.getValue();
File descriptorFile = new File(outputDir, id + ".properties");
Properties properties = new Properties();
properties.setProperty("implementation-class", implementationClass);
writePropertiesTo(properties, descriptorFile);
}
}
@Inject
protected Deleter getDeleter() {
throw new UnsupportedOperationException("Decorator takes care of injection");
}
private void clearOutputDirectory(File directoryToClear) {
try {
getDeleter().ensureEmptyDirectory(directoryToClear);
} catch (IOException e) {
throw new UncheckedIOException(e);
}
}
private void writePropertiesTo(Properties properties, File descriptorFile) {
try {
PropertiesUtils.store(properties, descriptorFile);
} catch (IOException e) {
throw new UncheckedIOException(e);
}
}
}