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1
6 package org.jfox.ioc.deploy;
7
8 import org.jfox.ioc.Constants;
9 import org.jfox.ioc.classloader.ClassLoaderRepository;
10 import org.jfox.ioc.classloader.LocalClassLoader;
11 import org.jfox.ioc.deployment.Deployable;
12 import org.jfox.ioc.deployment.Deployer;
13 import org.jfox.ioc.logger.Logger;
14 import org.jfox.ioc.util.FileFilters;
15 import org.jfox.ioc.util.Files;
16 import org.jfox.ioc.util.XMLUtils;
17
18 import java.io.File  ;
19 import java.net.URL ;
20 import java.net.URLClassLoader ;
21 import java.util.ArrayList ;
22 import java.util.List ;
23
24
29
30 public class ComponentModule implements Deployable, Comparable <ComponentModule> {
31 private File moduleDir;
32
33 private LocalClassLoader moduleClassLoader;
34
35 private ClassLoaderRepository loaderRepo;
36
37 private ComponentModuleDescriptor componentModuleDescriptor;
38
39 private Logger logger;
40
41 private static final String singleComponentDescriptorSuffix = ".component.xml";
42
43 public ComponentModule(File moduleDir, ClassLoaderRepository loaderRespo)
44 throws ComponentDescriptionException {
45 this.moduleDir = moduleDir;
46 this.loaderRepo = loaderRespo;
47 logger = Logger.getLogger(this.getClass().getName() + "["
48 + moduleDir.getName() + "]");
49 init();
50 }
51
52 public File getPackage() {
53 return moduleDir;
54 }
55
56 public void deploy(Deployer deployer) throws DeployException {
57 deployer.deploy(this);
58 }
59
60 public File getTempDeployDirectory() {
61 return moduleDir;
62 }
63
64 public void init() throws ComponentDescriptionException {
65 try {
66 componentModuleDescriptor = new ComponentModuleDescriptor(XMLUtils
67 .getDocument(getDescriptorURL()));
68 }
69 catch(Exception e) {
70 throw new ComponentDescriptionException("build module descriptor failed.", e);
71 }
72
73 try {
75 List components = Files.listFiles(new File (moduleDir, "META-INF"), FileFilters.suffixFileFilter(singleComponentDescriptorSuffix));
76 for(int i = 0; i < components.size(); i++) {
77 File componentXml = (File ) components.get(i);
78 ComponentDescriptor cd = new ComponentDescriptor(componentModuleDescriptor);
79 cd.processXML(XMLUtils.getDocument(componentXml.toURL()).getDocumentElement());
80 componentModuleDescriptor.addComponent(cd);
81 }
82
83 }
84 catch(Exception e) {
85 throw new ComponentDescriptionException("build module descriptor failed.", e);
86 }
87
88 File [] componentJars = getComponentJars();
90 List urls = new ArrayList (componentJars.length + 1);
91 try {
92 File classesDir = new File (moduleDir, Constants.JFOXCO_MODULE_ClASSPATH);
94 if(classesDir.exists() && classesDir.isDirectory()) {
95 urls.add(classesDir.toURL());
96 logger
97 .debug("add component classes directory to module's public ClassLoader "
98 + classesDir.toString());
99 }
100
101 for(int i = 0; i < componentJars.length; i++) {
102 urls.add(componentJars[i].toURL());
103 logger
104 .debug("add component jar to module's public ClassLoader "
105 + componentJars[i].toString());
106 }
107
108 File resourceDir = new File (moduleDir, Constants.JFOXCO_MODULE_CONFIG_PATH);
110 if(resourceDir.exists() && resourceDir.isDirectory()) {
111 urls.add(resourceDir.toURL());
112 logger
113 .debug("add module resource directory to module's public ClassLoader "
114 + resourceDir.toString());
115 }
116
117 }
118 catch(Exception e) {
119 e.printStackTrace();
120 }
121 moduleClassLoader = new LocalClassLoader((URL []) urls
123 .toArray(new URL [urls.size()]), loaderRepo);
124
125 File [] libJars = getComponentLibJars();
127 try {
128 for(int i = 0; i < libJars.length; i++) {
129 moduleClassLoader.addURL(libJars[i].toURL());
130 logger
131 .debug("add component lib to module's private ClassLoader "
132 + libJars[i].toString());
133 }
134 }
135 catch(Exception e) {
136 e.printStackTrace();
137 }
138 }
139
140 public URL getDescriptorURL() {
141 try {
142 return new File (moduleDir, "META-INF/" + Constants.JFOXCO_MODULE_DEPLOY_FILE).toURL();
143 }
144 catch(Exception e) {
145 e.printStackTrace();
146 return null;
147 }
148 }
149
150 public URLClassLoader getClassLoader() {
151 return moduleClassLoader;
152 }
153
154 public ComponentModuleDescriptor getModuleDescriptor() {
155 return componentModuleDescriptor;
156 }
157
158 public File [] getComponentJars() {
159 return moduleDir.listFiles(FileFilters.suffixFileFilter(new String []{
160 "jar", "zip"}));
161 }
162
163 private File [] getComponentLibJars() {
164 File lib = new File (moduleDir, Constants.JFOXCO_MODULE_PRIVATE_LIBS);
165 if(!lib.exists())
166 return new File [0];
167 List files = Files.listFiles(lib, FileFilters
168 .suffixFileFilter(new String []{"jar", "zip"}));
169 return (File []) files.toArray(new File [files.size()]);
170 }
171
172 public int compareTo(ComponentModule o) {
173 ComponentModule _module = (ComponentModule) o;
174 return new Integer (componentModuleDescriptor.getPriority())
175 .compareTo(new Integer (_module.getModuleDescriptor()
176 .getPriority()));
177 }
178
179 public boolean equals(Object obj) {
180 return moduleDir.getName().equals(((ComponentModule) obj).moduleDir.getName());
181 }
182
183 public int hashCode() {
184 return moduleDir.getName().toString().hashCode();
185 }
186
187 public String toString() {
188 return "Module{" + "moduleDir=" + moduleDir + ", description="
189 + componentModuleDescriptor.getDescription() + "}";
190 }
191
192 public static void main(String [] args) {
193
194 }
195 }
196
197 |
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