blob: b8c714fd3e31f52a98f23543abf1db50ef1cc7b9 (
plain) (
blame)
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
119
120
121
|
// Copyright 2018 Yahoo Holdings. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.container.servlet.jersey;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.datatype.jdk8.Jdk8Module;
import com.fasterxml.jackson.datatype.jsr310.JavaTimeModule;
import com.fasterxml.jackson.jaxrs.json.JacksonJaxbJsonProvider;
import com.yahoo.container.di.componentgraph.Provider;
import com.yahoo.container.di.config.RestApiContext;
import com.yahoo.container.di.config.RestApiContext.BundleInfo;
import com.yahoo.container.jaxrs.annotation.Component;
import org.eclipse.jetty.servlet.ServletHolder;
import org.glassfish.hk2.api.InjectionResolver;
import org.glassfish.hk2.api.TypeLiteral;
import org.glassfish.hk2.utilities.Binder;
import org.glassfish.hk2.utilities.binding.AbstractBinder;
import org.glassfish.jersey.media.multipart.MultiPartFeature;
import org.glassfish.jersey.server.ResourceConfig;
import org.glassfish.jersey.servlet.ServletContainer;
import org.objectweb.asm.ClassReader;
import java.io.IOException;
import java.io.InputStream;
import java.util.ArrayList;
import java.util.Collection;
import java.util.List;
import java.util.Optional;
import static com.yahoo.container.servlet.jersey.util.ResourceConfigUtil.registerComponent;
/**
* @author Tony Vaagenes
* @author ollivir
*/
@SuppressWarnings("unused") // Injected
public class JerseyServletProvider implements Provider<ServletHolder> {
private final ServletHolder jerseyServletHolder;
public JerseyServletProvider(RestApiContext restApiContext) {
this.jerseyServletHolder = new ServletHolder(new ServletContainer(resourceConfig(restApiContext)));
}
private ResourceConfig resourceConfig(RestApiContext restApiContext) {
ResourceConfig resourceConfig = ResourceConfig
.forApplication(new JerseyApplication(resourcesAndProviders(restApiContext.getBundles())));
registerComponent(resourceConfig, componentInjectorBinder(restApiContext));
registerComponent(resourceConfig, jacksonDatatypeJdk8Provider());
resourceConfig.register(MultiPartFeature.class);
return resourceConfig;
}
private static Collection<Class<?>> resourcesAndProviders(Collection<BundleInfo> bundles) {
List<Class<?>> ret = new ArrayList<>();
for (BundleInfo bundle : bundles) {
for (String classEntry : bundle.getClassEntries()) {
Optional<String> className = detectResourceOrProvider(bundle.classLoader, classEntry);
className.ifPresent(cname -> ret.add(loadClass(bundle.symbolicName, bundle.classLoader, cname)));
}
}
return ret;
}
private static Optional<String> detectResourceOrProvider(ClassLoader bundleClassLoader, String classEntry) {
try (InputStream inputStream = getResourceAsStream(bundleClassLoader, classEntry)) {
ResourceOrProviderClassVisitor visitor = ResourceOrProviderClassVisitor.visit(new ClassReader(inputStream));
return visitor.getJerseyClassName();
} catch (IOException e) {
throw new RuntimeException(e);
}
}
private static InputStream getResourceAsStream(ClassLoader bundleClassLoader, String classEntry) {
InputStream is = bundleClassLoader.getResourceAsStream(classEntry);
if (is == null) {
throw new RuntimeException("No entry " + classEntry + " in bundle " + bundleClassLoader);
} else {
return is;
}
}
private static Class<?> loadClass(String bundleSymbolicName, ClassLoader classLoader, String className) {
try {
return classLoader.loadClass(className);
} catch (Exception e) {
throw new RuntimeException("Failed loading class " + className + " from bundle " + bundleSymbolicName, e);
}
}
private static Binder componentInjectorBinder(RestApiContext restApiContext) {
final ComponentGraphProvider componentGraphProvider = new ComponentGraphProvider(restApiContext.getInjectableComponents());
final TypeLiteral<InjectionResolver<Component>> componentAnnotationType = new TypeLiteral<InjectionResolver<Component>>() {
};
return new AbstractBinder() {
@Override
public void configure() {
bind(componentGraphProvider).to(componentAnnotationType);
}
};
}
private static JacksonJaxbJsonProvider jacksonDatatypeJdk8Provider() {
JacksonJaxbJsonProvider provider = new JacksonJaxbJsonProvider();
provider.setMapper(new ObjectMapper().registerModule(new Jdk8Module()).registerModule(new JavaTimeModule()));
return provider;
}
@Override
public ServletHolder get() {
return jerseyServletHolder;
}
@Override
public void deconstruct() {
}
}
|