|
1
13
14 package org.netbeans.modules.ruby.railsprojects;
15
16 import java.beans.PropertyChangeEvent  ;
17 import java.beans.PropertyChangeListener ;
18 import java.beans.PropertyChangeSupport ;
19 import java.io.IOException ;
20 import java.io.InputStream ;
21 import java.text.Collator ;
22 import java.util.ArrayList ;
23 import java.util.Collection ;
24 import java.util.Collections ;
25 import java.util.Comparator ;
26 import java.util.HashMap ;
27 import java.util.List ;
28 import java.util.Map ;
29 import java.util.Properties ;
30 import java.util.Set ;
31 import java.util.logging.Level ;
32 import java.util.logging.Logger ;
33 import org.netbeans.api.project.ProjectManager;
34 import org.netbeans.modules.ruby.railsprojects.ui.customizer.CustomizerProviderImpl;
35 import org.netbeans.modules.ruby.railsprojects.ui.customizer.RailsCompositePanelProvider;
36 import org.netbeans.spi.project.ActionProvider;
37 import org.netbeans.spi.project.ProjectConfiguration;
38 import org.netbeans.spi.project.ProjectConfigurationProvider;
39 import org.netbeans.modules.ruby.spi.project.support.rake.EditableProperties;
40 import org.openide.filesystems.FileChangeAdapter;
41 import org.openide.filesystems.FileChangeListener;
42 import org.openide.filesystems.FileEvent;
43 import org.openide.filesystems.FileObject;
44 import org.openide.filesystems.FileRenameEvent;
45 import org.openide.filesystems.FileUtil;
46 import org.openide.util.NbBundle;
47 import org.openide.util.Utilities;
48
49
53 public final class RailsConfigurationProvider implements ProjectConfigurationProvider<RailsConfigurationProvider.Config> {
54
55 private static final Logger LOGGER = Logger.getLogger(RailsConfigurationProvider.class.getName());
56
57
60 public static final String PROP_CONFIG = "config";
64 public static final String CONFIG_PROPS_PATH = "nbproject/private/config.properties";
66 public static final class Config implements ProjectConfiguration {
67
68 public final String name;
69 private final String displayName;
70 public Config(String name, String displayName) {
71 this.name = name;
72 this.displayName = displayName;
73 }
74 public String getDisplayName() {
75 return displayName;
76 }
77 public int hashCode() {
78 return name != null ? name.hashCode() : 0;
79 }
80 public boolean equals(Object o) {
81 return (o instanceof Config) && Utilities.compareObjects(name, ((Config) o).name);
82 }
83 public String toString() {
84 return "RailsConfigurationProvider.Config[" + name + "," + displayName + "]"; }
86 }
87
88 private static final Config DEFAULT = new Config(null,
89 NbBundle.getMessage(RailsConfigurationProvider.class, "RailsConfigurationProvider.default.label"));
90
91 private final RailsProject p;
92 private final PropertyChangeSupport pcs = new PropertyChangeSupport (this);
93 private final FileChangeListener fcl = new FileChangeAdapter() {
94 public void fileFolderCreated(FileEvent fe) {
95 update(fe);
96 }
97 public void fileDataCreated(FileEvent fe) {
98 update(fe);
99 }
100 public void fileDeleted(FileEvent fe) {
101 update(fe);
102 }
103 public void fileRenamed(FileRenameEvent fe) {
104 update(fe);
105 }
106 private void update(FileEvent ev) {
107 LOGGER.log(Level.FINEST, "Received {0}", ev);
108 Set <String > oldConfigs = configs != null ? configs.keySet() : Collections.<String >emptySet();
109 configDir = p.getProjectDirectory().getFileObject("nbproject/configs"); if (configDir != null) {
111 configDir.removeFileChangeListener(fclWeak);
112 configDir.addFileChangeListener(fclWeak);
113 LOGGER.log(Level.FINEST, "(Re-)added listener to {0}", configDir);
114 } else {
115 LOGGER.log(Level.FINEST, "No nbproject/configs exists");
116 }
117 calculateConfigs();
118 Set <String > newConfigs = configs.keySet();
119 if (!oldConfigs.equals(newConfigs)) {
120 LOGGER.log(Level.FINER, "Firing " + ProjectConfigurationProvider.PROP_CONFIGURATIONS + ": {0} -> {1}", new Object [] {oldConfigs, newConfigs});
121 pcs.firePropertyChange(ProjectConfigurationProvider.PROP_CONFIGURATIONS, null, null);
122 }
124 }
125 };
126 private final FileChangeListener fclWeak;
127 private FileObject configDir;
128 private Map <String ,Config> configs;
129
130 public RailsConfigurationProvider(RailsProject p) {
131 this.p = p;
132 fclWeak = FileUtil.weakFileChangeListener(fcl, null);
133 FileObject nbp = p.getProjectDirectory().getFileObject("nbproject"); if (nbp != null) {
135 nbp.addFileChangeListener(fclWeak);
136 LOGGER.log(Level.FINEST, "Added listener to {0}", nbp);
137 configDir = nbp.getFileObject("configs"); if (configDir != null) {
139 configDir.addFileChangeListener(fclWeak);
140 LOGGER.log(Level.FINEST, "Added listener to {0}", configDir);
141 }
142 }
143 p.evaluator().addPropertyChangeListener(new PropertyChangeListener () {
144 public void propertyChange(PropertyChangeEvent evt) {
145 if (PROP_CONFIG.equals(evt.getPropertyName())) {
146 LOGGER.log(Level.FINER, "Refiring " + PROP_CONFIG + " -> " + ProjectConfigurationProvider.PROP_CONFIGURATION_ACTIVE);
147 pcs.firePropertyChange(ProjectConfigurationProvider.PROP_CONFIGURATION_ACTIVE, null, null);
148 }
149 }
150 });
151 }
152
153 private void calculateConfigs() {
154 configs = new HashMap <String ,Config>();
155 if (configDir != null) {
156 for (FileObject kid : configDir.getChildren()) {
157 if (!kid.hasExt("properties")) {
158 continue;
159 }
160 try {
161 InputStream is = kid.getInputStream();
162 try {
163 Properties p = new Properties ();
164 p.load(is);
165 String name = kid.getName();
166 String label = p.getProperty("$label"); configs.put(name, new Config(name, label != null ? label : name));
168 } finally {
169 is.close();
170 }
171 } catch (IOException x) {
172 LOGGER.log(Level.INFO, null, x);
173 }
174 }
175 }
176 LOGGER.log(Level.FINEST, "Calculated configurations: {0}", configs);
177 }
178
179 public Collection <Config> getConfigurations() {
180 calculateConfigs();
181 List <Config> l = new ArrayList <Config>();
182 l.addAll(configs.values());
183 Collections.sort(l, new Comparator <Config>() {
184 Collator c = Collator.getInstance();
185 public int compare(Config c1, Config c2) {
186 return c.compare(c1.getDisplayName(), c2.getDisplayName());
187 }
188 });
189 l.add(0, DEFAULT);
190 return l;
191 }
192
193 public Config getActiveConfiguration() {
194 calculateConfigs();
195 String config = p.evaluator().getProperty(PROP_CONFIG);
196 if (config != null && configs.containsKey(config)) {
197 return configs.get(config);
198 } else {
199 return DEFAULT;
200 }
201 }
202
203 public void setActiveConfiguration(Config c) throws IllegalArgumentException , IOException {
204 if (c != DEFAULT && !configs.values().contains(c)) {
205 throw new IllegalArgumentException ();
206 }
207 final String n = c.name;
208 EditableProperties ep = p.getUpdateHelper().getProperties(CONFIG_PROPS_PATH);
209 if (Utilities.compareObjects(n, ep.getProperty(PROP_CONFIG))) {
210 return;
211 }
212 if (n != null) {
213 ep.setProperty(PROP_CONFIG, n);
214 } else {
215 ep.remove(PROP_CONFIG);
216 }
217 p.getUpdateHelper().putProperties(CONFIG_PROPS_PATH, ep);
218 pcs.firePropertyChange(ProjectConfigurationProvider.PROP_CONFIGURATION_ACTIVE, null, null);
219 ProjectManager.getDefault().saveProject(p);
220 assert p.getProjectDirectory().getFileObject(CONFIG_PROPS_PATH) != null;
221 }
222
223 public boolean hasCustomizer() {
224 return true;
225 }
226
227 public void customize() {
228 p.getLookup().lookup(CustomizerProviderImpl.class).showCustomizer(RailsCompositePanelProvider.RUN);
229 }
230
231 public boolean configurationsAffectAction(String command) {
232 return command.equals(ActionProvider.COMMAND_RUN) ||
233 command.equals(ActionProvider.COMMAND_DEBUG);
234 }
235
236 public void addPropertyChangeListener(PropertyChangeListener lst) {
237 pcs.addPropertyChangeListener(lst);
238 }
239
240 public void removePropertyChangeListener(PropertyChangeListener lst) {
241 pcs.removePropertyChangeListener(lst);
242 }
243
244 }
245 |
Popular Tags |
Java API By Example, From Geeks To Geeks.