private void readConfiguration()

in taverna-external-tool-activity/src/main/java/org/apache/taverna/activities/externaltool/manager/impl/InvocationGroupManagerImpl.java [260:314]
54 lines of code
10 McCabe index (conditional complexity)

	private void readConfiguration() {
		File f = new File(getInvocationManagerDirectory(), "invocationManager.xml");
		if (!f.exists()) {
			return;
		}
		try {
			Document document = null;
			synchronized (builder) {
				document = builder.build(f);
			}
			Element topElement = document.getRootElement();
			Element mechanismsElement = topElement.getChild("invocationMechanisms");
			for (Object mechanismObject : mechanismsElement.getChildren("invocationMechanism")) {
				Element mechanismElement = (Element) mechanismObject;
				Element mechanismNameElement = mechanismElement.getChild("invocationMechanismName");
				String mechanismName = mechanismNameElement.getText();
				Element mechanismTypeElement = mechanismElement.getChild("invocationMechanismType");
				String mechanismType = mechanismTypeElement.getText();
				Element mechanismDetailsElement = mechanismElement.getChild("mechanismDetails");
				Element detailsElement = (Element) mechanismDetailsElement.getChildren().get(0);
				InvocationMechanism mechanism = null;
				for (MechanismCreator mc : mechanismCreators) {
					if (mc.canHandle(mechanismType)) {
						mechanism = mc.convert(detailsElement, mechanismName);
					}
				}
				if (mechanism != null) {
					this.addMechanism(mechanism);
				}
			}

			Element groupsElement = topElement.getChild("invocationGroups");
			for (Object groupObject : groupsElement.getChildren("invocationGroup")) {
				Element groupElement = (Element) groupObject;
				Element groupNameElement = groupElement.getChild("invocationGroupName");
				String groupName = groupNameElement.getText();
				Element mechanismNameElement = groupElement.getChild("mechanismName");
				String mechanismName = mechanismNameElement.getText();
				InvocationMechanism mechanism = getInvocationMechanism(mechanismName);
				if (mechanism == null) {
					logger.warn("Could not find mechanism " + mechanismName);
					mechanism = getDefaultMechanism();
				}
				InvocationGroup group = new InvocationGroup(mechanismCreators);
				group.setName(groupName);
				group.setMechanism(mechanism);
				group.convertMechanismToDetails();
				this.addInvocationGroup(group);
			}
		} catch (JDOMException e) {
			logger.error("XML parsing problem", e);
		} catch (IOException e) {
			logger.error("Unable to read invocation manager", e);
		}
	}