public void execute()

in src/main/java/org/apache/sling/installer/factories/configuration/impl/ConfigInstallTask.java [80:129]
43 lines of code
9 McCabe index (conditional complexity)

    public void execute(final InstallationContext ctx) {
        synchronized ( Coordinator.SHARED ) {
            // Get or create configuration, but do not
            // update if the new one has the same values.
            final Dictionary<String, Object> properties = this.getDictionary();
            boolean created = false;
            try {
                String location = (String)properties.get(ConfigurationConstants.PROPERTY_BUNDLE_LOCATION);
                if ( location == null ) {
                    location = Activator.DEFAULT_LOCATION; // default
                } else if ( location.length() == 0 ) {
                    location = null;
                }

                Configuration config = ConfigUtil.getConfiguration(this.getConfigurationAdmin(), this.factoryPid, this.configPid);
                if (config == null) {

                    config = ConfigUtil.createConfiguration(this.getConfigurationAdmin(), this.factoryPid, this.configPid, location);
                    created = true;
                } else {
        			if (ConfigUtil.isSameData(config.getProperties(), properties)) {
        			    this.getLogger().debug("Configuration {} already installed with same data, update request ignored: {}",
        	                        config.getPid(), getResource());
        				config = null;
        			} else {
                        config.setBundleLocation(location);
        			}
                }

                if (config != null) {
                    config.update(properties);
                    ctx.log("Installed configuration {} from resource {}", config.getPid(), getResource());
                    this.getLogger().debug("Configuration " + config.getPid()
                                + " " + (created ? "created" : "updated")
                                + " from " + getResource());
                    final Operation op = new Coordinator.Operation(config.getPid(), config.getFactoryPid(), false);
                    Coordinator.SHARED.add(op);
                }
                // in any case set the state to "INSTALLED"
                // (it doesn't matter if the configuration hasn't been updated as it has been in the correct state already)
                this.setFinishedState(ResourceState.INSTALLED);
            } catch (IOException|IllegalStateException e) {
                this.getLogger().debug("Temporary exception during installation of config " + this.getResource() + " : " + e.getMessage() + ". Retrying later.", e);
            } catch (Exception e) {
                String message = MessageFormat.format("Exception during installation of config {0} : {1}", this.getResource(), e.getMessage());
                this.getLogger().error(message, e);
                this.setFinishedState(ResourceState.IGNORED, null, message);
            }
        }
    }