01 /*
02 * Copyright 2008-2017 the original author or authors.
03 *
04 * Licensed under the Apache License, Version 2.0 (the "License");
05 * you may not use this file except in compliance with the License.
06 * You may obtain a copy of the License at
07 *
08 * http://www.apache.org/licenses/LICENSE-2.0
09 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16 package org.codehaus.griffon.runtime.core.artifact;
17
18 import griffon.core.ApplicationClassLoader;
19 import griffon.core.artifact.ArtifactHandler;
20 import griffon.core.artifact.GriffonArtifact;
21 import griffon.inject.Typed;
22 import griffon.util.ServiceLoaderUtils;
23 import org.slf4j.Logger;
24 import org.slf4j.LoggerFactory;
25
26 import javax.annotation.Nonnull;
27 import javax.inject.Inject;
28 import java.util.ArrayList;
29 import java.util.LinkedHashMap;
30 import java.util.List;
31 import java.util.Map;
32
33 import static java.util.Objects.requireNonNull;
34
35 /**
36 * Default implementation of {@code ArtifactManager}.
37 *
38 * @author Andres Almiray
39 * @since 2.0.0
40 */
41 public class DefaultArtifactManager extends AbstractArtifactManager {
42 private static final Logger LOG = LoggerFactory.getLogger(DefaultArtifactManager.class);
43
44 private final ApplicationClassLoader applicationClassLoader;
45
46 @Inject
47 public DefaultArtifactManager(@Nonnull ApplicationClassLoader applicationClassLoader) {
48 this.applicationClassLoader = requireNonNull(applicationClassLoader, "Argument 'applicationClassLoader' must not be null");
49 }
50
51 @Nonnull
52 @SuppressWarnings({"unchecked", "rawtypes"})
53 protected Map<String, List<Class<? extends GriffonArtifact>>> doLoadArtifactMetadata() {
54 final Map<String, List<Class<? extends GriffonArtifact>>> artifacts = new LinkedHashMap<>();
55
56 for (Map.Entry<String, ArtifactHandler> e : getArtifactHandlers().entrySet()) {
57 final String artifactType = e.getKey();
58 ArtifactHandler<?> artifactHandler = e.getValue();
59 Class<?> klass = artifactHandler.getClass().getAnnotation(Typed.class).value();
60 ServiceLoaderUtils.load(applicationClassLoader.get(), "META-INF/griffon/", klass, new ServiceLoaderUtils.LineProcessor() {
61 @Override
62 public void process(@Nonnull ClassLoader classLoader, @Nonnull Class<?> type, @Nonnull String line) {
63 List<Class<? extends GriffonArtifact>> list = artifacts.get(artifactType);
64 if (list == null) {
65 list = new ArrayList<>();
66 artifacts.put(artifactType, list);
67 }
68
69 try {
70 String className = line.trim();
71 Class<? extends GriffonArtifact> clazz = (Class<? extends GriffonArtifact>) applicationClassLoader.get().loadClass(className);
72 // if (Modifier.isAbstract(clazz.getModifiers())) return;
73 list.add(clazz);
74 } catch (ClassNotFoundException e) {
75 throw new IllegalArgumentException(e);
76 }
77 }
78 });
79 }
80
81 for (Map.Entry<String, List<Class<? extends GriffonArtifact>>> e : artifacts.entrySet()) {
82 LOG.debug("Artifacts of type '{}' = {}", e.getKey(), e.getValue().size());
83 }
84
85 return artifacts;
86 }
87 }
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