|
1
11 package org.eclipse.pde.internal.ui.launcher;
12
13 import java.util.Arrays  ;
14 import java.util.Comparator ;
15 import java.util.HashMap ;
16 import java.util.Map ;
17
18 import org.eclipse.core.runtime.CoreException;
19 import org.eclipse.core.runtime.IConfigurationElement;
20 import org.eclipse.core.runtime.IExtensionRegistry;
21 import org.eclipse.core.runtime.IRegistryChangeEvent;
22 import org.eclipse.core.runtime.IRegistryChangeListener;
23 import org.eclipse.core.runtime.Platform;
24 import org.eclipse.debug.core.model.LaunchConfigurationDelegate;
25 import org.eclipse.jface.preference.IPreferenceStore;
26 import org.eclipse.pde.internal.ui.IPreferenceConstants;
27 import org.eclipse.pde.internal.ui.PDEPlugin;
28 import org.eclipse.pde.ui.launcher.OSGiLaunchConfigurationInitializer;
29
30 public class OSGiFrameworkManager implements IRegistryChangeListener {
31
32 public static final String POINT_ID = "org.eclipse.pde.ui.osgiFrameworks"; public static final String DEFAULT_FRAMEWORK = "org.eclipse.pde.ui.EquinoxFramework";
35 public static final String ATT_ID = "id"; public static final String ATT_NAME = "name"; public static final String ATT_DELEGATE = "launcherDelegate"; public static final String ATT_INITIALIZER = "initializer";
40 public static final String ELEMENT_FRAMEWORK = "framework";
42 private Map fFrameworks;
43
44 public IConfigurationElement[] getFrameworks() {
45 if (fFrameworks == null)
46 loadElements();
47 return (IConfigurationElement[])fFrameworks.values().toArray(new IConfigurationElement[fFrameworks.size()]);
48 }
49
50 public IConfigurationElement[] getSortedFrameworks() {
51 IConfigurationElement[] elements = getFrameworks();
52 return orderElements(elements);
53 }
54
55 private void loadElements() {
56 fFrameworks = new HashMap ();
57 IExtensionRegistry registry = Platform.getExtensionRegistry();
58 IConfigurationElement[] elements = registry.getConfigurationElementsFor(POINT_ID);
59 for (int i = 0; i < elements.length; i++) {
60 String id = elements[i].getAttribute(ATT_ID);
61 if (id == null
62 || elements[i].getAttribute(ATT_NAME) == null
63 || elements[i].getAttribute(ATT_DELEGATE) == null)
64 continue;
65 fFrameworks.put(id, elements[i]);
66 }
67 }
68
69 private IConfigurationElement[] orderElements(IConfigurationElement[] elems) {
70 Arrays.sort(elems, new Comparator () {
71 public int compare(Object o1, Object o2) {
72 String name1 = ((IConfigurationElement)o1).getAttribute(ATT_NAME);
73 String name2 = ((IConfigurationElement)o2).getAttribute(ATT_NAME);
74 if (name1 != null)
75 return name1.compareToIgnoreCase(name2);
76 return 1;
77 }
78 });
79 return elems;
80 }
81
82
83 public void registryChanged(IRegistryChangeEvent event) {
84 }
86
87 public String getDefaultFramework() {
88 IPreferenceStore store = PDEPlugin.getDefault().getPreferenceStore();
89 return store.getString(IPreferenceConstants.DEFAULT_OSGI_FRAMEOWRK);
90 }
91
92 public OSGiLaunchConfigurationInitializer getDefaultInitializer() {
93 return getInitializer(getDefaultFramework());
94 }
95
96 public OSGiLaunchConfigurationInitializer getInitializer(String frameworkID) {
97 if (fFrameworks == null)
98 loadElements();
99 if (fFrameworks.containsKey(frameworkID)) {
100 try {
101 IConfigurationElement element = (IConfigurationElement)fFrameworks.get(frameworkID);
102 if (element.getAttribute(ATT_INITIALIZER) != null) {
103 Object result = element.createExecutableExtension(ATT_INITIALIZER);
104 if (result instanceof OSGiLaunchConfigurationInitializer)
105 return (OSGiLaunchConfigurationInitializer)result;
106 }
107 } catch (CoreException e) {
108 }
109 }
110 return new OSGiLaunchConfigurationInitializer();
111 }
112
113 public LaunchConfigurationDelegate getFrameworkLauncher(String frameworkID) {
114 if (fFrameworks == null)
115 loadElements();
116 if (fFrameworks.containsKey(frameworkID)) {
117 try {
118 IConfigurationElement element = (IConfigurationElement)fFrameworks.get(frameworkID);
119 Object result = element.createExecutableExtension(ATT_DELEGATE);
120 if (result instanceof LaunchConfigurationDelegate)
121 return (LaunchConfigurationDelegate)result;
122 } catch (CoreException e) {
123 }
124 }
125 return null;
126 }
127
128 public String getFrameworkName(String frameworkID) {
129 if (fFrameworks == null)
130 loadElements();
131 if (fFrameworks.containsKey(frameworkID)) {
132 IConfigurationElement element = (IConfigurationElement)fFrameworks.get(frameworkID);
133 return element.getAttribute(ATT_NAME);
134 }
135 return null;
136 }
137
138
139 }
140 |
Popular Tags |
Java API By Example, From Geeks To Geeks.