Examples of org.osgi.service.prefs.Preferences.node()

Class org.osgi.service.prefs.Preferences

Examples of org.osgi.service.prefs.Preferences.node()

org.osgi.service.prefs.Preferences.node()
Returns a named {@code Preferences} object (node), creating it and any ofits ancestors if they do not already exist. Accepts a relative or absolute pathname. Absolute pathnames (which begin with {@code '/'}) are interpreted relative to the root of this node. Relative pathnames (which begin with any character other than {@code '/'}) are interpreted relative to this node itself. The empty string ( {@code ""}) is a valid relative pathname, referring to this node itself.
If the returned node did not exist prior to this call, this node and any ancestors that were created by this call are not guaranteed to become persistent until the {@code flush} method is called on the returned node(or one of its descendants). @param pathName the path name of the {@code Preferences} object toreturn. @return the specified {@code Preferences} object. @throws IllegalArgumentException if the path name is invalid. @throws IllegalStateException if this node (or an ancestor) has beenremoved with the {@link #removeNode()} method. @throws NullPointerException if path name is {@code null}. @see #flush()

    {
        final Preferences prefs = getPreferencesRoot( createIfNecessary );
        
        if( prefs != null && ( prefs.nodeExists( PREFS_GLOBAL ) || createIfNecessary ) )
        {
            return prefs.node( PREFS_GLOBAL );
        }
        
        return null;
    }

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        Preferences prefs = getPreferencesRoot( createIfNecessary );
        
        if( prefs != null && ( prefs.nodeExists( level1 ) || createIfNecessary ) )
        {
            prefs = prefs.node( level1 );
            
            if( prefs.nodeExists( level2 ) || createIfNecessary )
            {
                return prefs.node( level2 );
            }

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        {
            prefs = prefs.node( level1 );
            
            if( prefs.nodeExists( level2 ) || createIfNecessary )
            {
                return prefs.node( level2 );
            }
        }
        
        return null;
    }

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        final Preferences prefs = scope.getNode( this.pluginId );
        final String editorId = getClass().getName();
        
        if( prefs.nodeExists( editorId ) || createIfNecessary )
        {
            return prefs.node( editorId );
        }
        
        return null;
    }

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  protected static void load(Collection<FabricDetails> cloudDetailList) {
    Preferences node = exemplar.getConfigurationNode();
    try {
      String[] childrenNames = node.childrenNames();
      for (String name : childrenNames) {
        cloudDetailList.add(new FabricDetails(name, node.node(name)));
      }
    } catch (BackingStoreException e) {
      FabricPlugin.showUserError("Failed to load fabric details", e.getMessage(), e);
    }
  }

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  }


  public static FabricDetails copy(FabricDetails copy) {
    Preferences node = exemplar.getConfigurationNode();
    String id = copy.getId();
    return new FabricDetails(id, node.node(id));
  }


  @Override
  protected void store(Preferences node) {
    node.put("name", name);

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    protected static void load(Collection<CloudDetails> cloudDetailList) {
        Preferences node = exemplar.getConfigurationNode();
        try {
            String[] childrenNames = node.childrenNames();
            for (String name : childrenNames) {
                cloudDetailList.add(new CloudDetails(name, node.node(name)));
            }
        } catch (BackingStoreException e) {
            FabricPlugin.showUserError("Failed to load cloud providers", e.getMessage(), e);
        }
    }

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    }


    public static CloudDetails copy(CloudDetails copy) {
        Preferences node = exemplar.getConfigurationNode();
        String id = copy.getId();
        return new CloudDetails(id, node.node(id));
    }




    public CloudDetails() {
    }

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  /* (non-Javadoc)
   * @see org.eclipse.core.runtime.preferences.PreferenceModifyListener#preApply(org.eclipse.core.runtime.preferences.IEclipsePreferences)
   */
  public IEclipsePreferences preApply(IEclipsePreferences node) {
    Preferences instance = node.node(InstanceScope.SCOPE);
    cleanJavaCore(instance.node(JavaCore.PLUGIN_ID));
    return super.preApply(node);
  }


  /**
   * Clean imported preferences from obsolete keys.

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      // we must not create empty preference nodes, so first check if the node exists
      if (root.nodeExists(InstanceScope.SCOPE)) {
        Preferences instance = root.node(InstanceScope.SCOPE);
        // we must not create empty preference nodes, so first check if the node exists
        if (instance.nodeExists(JavaCore.PLUGIN_ID)) {
          cleanJavaCore(instance.node(JavaCore.PLUGIN_ID));
        }
      }
    } catch (BackingStoreException e) {
      // do nothing
    }

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