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17 package org.apache.geronimo.kernel.config;
18
19 import java.util.List  ;
20 import java.util.Collection ;
21 import java.util.ArrayList ;
22 import java.util.Iterator ;
23 import java.util.LinkedHashSet ;
24 import java.util.Collections ;
25 import java.util.Set ;
26 import java.io.File ;
27 import java.net.MalformedURLException ;
28
29 import org.apache.geronimo.kernel.repository.ArtifactResolver;
30 import org.apache.geronimo.kernel.repository.MissingDependencyException;
31 import org.apache.geronimo.kernel.repository.Dependency;
32 import org.apache.geronimo.kernel.repository.Artifact;
33 import org.apache.geronimo.kernel.repository.Repository;
34 import org.apache.geronimo.kernel.repository.ImportType;
35
36
39 public class ConfigurationResolver {
40 private final Artifact configurationId;
41 private final ArtifactResolver artifactResolver;
42 private final Collection repositories;
43
44
47 private final File baseDir;
48 private final ConfigurationStore configurationStore;
49
50
53 private final String moduleName;
54
55 public ConfigurationResolver(Artifact configurationId, File baseDir) {
56 if (configurationId == null) throw new NullPointerException ("configurationId is null");
57
58 this.configurationId = configurationId;
59 this.baseDir = baseDir;
60 artifactResolver = null;
61 repositories = Collections.EMPTY_SET;
62 configurationStore = null;
63 moduleName = null;
64 }
65
66 public ConfigurationResolver(ConfigurationData configurationData, Collection repositories, ArtifactResolver artifactResolver) {
67 if (configurationData == null) throw new NullPointerException ("configurationData is null");
68 if (repositories == null) repositories = Collections.EMPTY_SET;
69
70 configurationId = configurationData.getId();
71 this.artifactResolver = artifactResolver;
72 this.repositories = repositories;
73 configurationStore = configurationData.getConfigurationStore();
74 if (null != configurationData.getInPlaceConfigurationDir()) {
75 baseDir = configurationData.getInPlaceConfigurationDir();
76 } else {
77 baseDir = configurationData.getConfigurationDir();
78 }
79 moduleName = null;
80 }
81
82 private ConfigurationResolver(Artifact configurationId, ArtifactResolver artifactResolver, Collection repositories, File baseDir, ConfigurationStore configurationStore, String moduleName) {
83 this.configurationId = configurationId;
84 this.artifactResolver = artifactResolver;
85 this.repositories = repositories;
86 this.baseDir = baseDir;
87 this.configurationStore = configurationStore;
88 this.moduleName = moduleName;
89 }
90
91 public ConfigurationResolver createChildResolver(String moduleName) {
92 if (moduleName == null) throw new NullPointerException ("moduleName is null");
93 if (this.moduleName != null) {
94 moduleName = this.moduleName + '/' + moduleName;
95 }
96
97 File childBaseDir = null;
98 if (baseDir != null) {
99 childBaseDir = new File (baseDir, moduleName);
100 }
101 return new ConfigurationResolver(configurationId, artifactResolver, repositories, childBaseDir, configurationStore, moduleName);
102 }
103
104 public File resolve(Artifact artifact) throws MissingDependencyException {
105 for (Iterator j = repositories.iterator(); j.hasNext();) {
106 Repository repository = (Repository) j.next();
107 if (repository.contains(artifact)) {
108 File file = repository.getLocation(artifact);
109 return file;
110 }
111 }
112 throw new MissingDependencyException("Unable to resolve dependency " + artifact);
113 }
114
115 public Set resolve(String pattern) throws MalformedURLException , NoSuchConfigException {
116 if (configurationStore != null) {
117 Set matches = configurationStore.resolve(configurationId, moduleName, pattern);
118 return matches;
119 } else if (baseDir != null) {
120 Set matches = IOUtil.search(baseDir, pattern);
121 return matches;
122 } else {
123 throw new IllegalStateException ("No configurationStore or baseDir supplied so paths can not be resolved");
124 }
125 }
126
127 public List resolveTransitiveDependencies(Collection parents, List dependencies) throws MissingDependencyException {
128 List resolvedDependencies = new ArrayList ();
129 for (Iterator iterator = dependencies.iterator(); iterator.hasNext();) {
130 Dependency dependency = resolveDependency(parents, (Dependency) iterator.next());
131
132 if (!resolvedDependencies.contains(dependency)) {
133 resolvedDependencies.add(dependency);
134
135 List childDependencies = getChildDependencies(dependency);
136 if (!childDependencies.isEmpty()) {
137 childDependencies = resolveTransitiveDependencies(parents, childDependencies);
138 resolvedDependencies.addAll(childDependencies);
139 }
140 }
141 }
142 return resolvedDependencies;
143 }
144
145 private Dependency resolveDependency(Collection parents, Dependency dependency) throws MissingDependencyException {
146 Artifact artifact = dependency.getArtifact();
147
148 if (artifact.isResolved()) {
150 return dependency;
151 }
152
153 if (artifactResolver == null) {
155 throw new MissingDependencyException("Artifact is not resolved and there no artifact resolver available: " + artifact);
156 }
157
158 artifact = artifactResolver.resolveInClassLoader(artifact, parents);
160
161 Dependency resolvedDependency = new Dependency(artifact, dependency.getImportType());
163 return resolvedDependency;
164 }
165
166 private ArrayList getChildDependencies(Dependency dependency) {
167 ArrayList childDependencies = new ArrayList ();
168 for (Iterator repositoryIterator = repositories.iterator(); repositoryIterator.hasNext();) {
169 Repository repository = (Repository) repositoryIterator.next();
170 if (repository.contains(dependency.getArtifact())) {
171 LinkedHashSet childArtifacts = repository.getDependencies(dependency.getArtifact());
173 for (Iterator artifactIterator = childArtifacts.iterator(); artifactIterator.hasNext();) {
174 Artifact artifact = (Artifact) artifactIterator.next();
175 childDependencies.add(new Dependency(artifact, ImportType.CLASSES));
177 }
178 }
179 }
180 return childDependencies;
181 }
182 }
183 |
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