nemo-tools/eclipse-plugin/nemo-editor/org.opendaylight.nemo.tool.eclipse.plugin.editor.ui/src-gen/org/opendaylight/nemo/tool/eclipse/plugin/ui/internal/EditorActivator.java

   1 /*
   2  * generated by Xtext
   3  */
   4 package org.opendaylight.nemo.tool.eclipse.plugin.ui.internal;
   5
   6 import java.util.Collections;
   7 import java.util.Map;
   8
   9 import org.apache.log4j.Logger;
  10 import org.eclipse.ui.plugin.AbstractUIPlugin;
  11 import org.eclipse.xtext.ui.shared.SharedStateModule;
  12 import org.eclipse.xtext.util.Modules2;
  13 import org.osgi.framework.BundleContext;
  14
  15 import com.google.common.collect.Maps;
  16 import com.google.inject.Guice;
  17 import com.google.inject.Injector;
  18 import com.google.inject.Module;
  19
  20 /**
  21  * This class was generated. Customizations should only happen in a newly
  22  * introduced subclass.
  23  */
  24 public class EditorActivator extends AbstractUIPlugin {
  25
  26         public static final String ORG_OPENDAYLIGHT_NEMO_TOOL_ECLIPSE_PLUGIN_EDITOR = "org.opendaylight.nemo.tool.eclipse.plugin.Editor";
  27
  28         private static final Logger logger = Logger.getLogger(EditorActivator.class);
  29
  30         private static EditorActivator INSTANCE;
  31
  32         private Map<String, Injector> injectors = Collections.synchronizedMap(Maps.<String, Injector> newHashMapWithExpectedSize(1));
  33
  34         @Override
  35         public void start(BundleContext context) throws Exception {
  36                 super.start(context);
  37                 INSTANCE = this;
  38         }
  39
  40         @Override
  41         public void stop(BundleContext context) throws Exception {
  42                 injectors.clear();
  43                 INSTANCE = null;
  44                 super.stop(context);
  45         }
  46
  47         public static EditorActivator getInstance() {
  48                 return INSTANCE;
  49         }
  50
  51         public Injector getInjector(String language) {
  52                 synchronized (injectors) {
  53                         Injector injector = injectors.get(language);
  54                         if (injector == null) {
  55                                 injectors.put(language, injector = createInjector(language));
  56                         }
  57                         return injector;
  58                 }
  59         }
  60
  61         protected Injector createInjector(String language) {
  62                 try {
  63                         Module runtimeModule = getRuntimeModule(language);
  64                         Module sharedStateModule = getSharedStateModule();
  65                         Module uiModule = getUiModule(language);
  66                         Module mergedModule = Modules2.mixin(runtimeModule, sharedStateModule, uiModule);
  67                         return Guice.createInjector(mergedModule);
  68                 } catch (Exception e) {
  69                         logger.error("Failed to create injector for " + language);
  70                         logger.error(e.getMessage(), e);
  71                         throw new RuntimeException("Failed to create injector for " + language, e);
  72                 }
  73         }
  74
  75         protected Module getRuntimeModule(String grammar) {
  76                 if (ORG_OPENDAYLIGHT_NEMO_TOOL_ECLIPSE_PLUGIN_EDITOR.equals(grammar)) {
  77                         return new org.opendaylight.nemo.tool.eclipse.plugin.EditorRuntimeModule();
  78                 }
  79
  80                 throw new IllegalArgumentException(grammar);
  81         }
  82
  83         protected Module getUiModule(String grammar) {
  84                 if (ORG_OPENDAYLIGHT_NEMO_TOOL_ECLIPSE_PLUGIN_EDITOR.equals(grammar)) {
  85                         return new org.opendaylight.nemo.tool.eclipse.plugin.ui.EditorUiModule(this);
  86                 }
  87
  88                 throw new IllegalArgumentException(grammar);
  89         }
  90
  91         protected Module getSharedStateModule() {
  92                 return new SharedStateModule();
  93         }
  94
  95 }