Example usage for org.springframework.ide.eclipse.core.model ISourceModelElement getElementStartLine

Introduction

In this page you can find the example usage for org.springframework.ide.eclipse.core.model ISourceModelElement getElementStartLine.

Prototype

int getElementStartLine();

Source Link

Document

Returns the line number with the start of the element's source code.

Usage

From source file:org.springframework.ide.eclipse.beans.core.internal.model.BeansJavaConfig.java

@Override
protected void readConfig() {
    if (!isModelPopulated) {

        w.lock();//from   w  w  w .ja  v  a  2s .  c  o  m
        if (this.isModelPopulated) {
            w.unlock();
            return;
        }

        try {
            if (this.configClass == null) {
                return;
            }

            IBeansProject beansProject = BeansModelUtils.getParentOfClass(this, IBeansProject.class);
            if (beansProject == null) {
                return;
            }

            final ClassLoader cl = JdtUtils.getClassLoader(beansProject.getProject(),
                    ApplicationContext.class.getClassLoader());

            if (cl.getResource(this.configClass.getFullyQualifiedName().replace('.', '/') + ".class") == null) {
                return;
            }

            Callable<Integer> loadBeanDefinitionOperation = new Callable<Integer>() {
                public Integer call() throws Exception {
                    // Obtain thread context classloader and override with the project classloader
                    ClassLoader threadClassLoader = Thread.currentThread().getContextClassLoader();
                    Thread.currentThread().setContextClassLoader(cl);

                    // Create special ReaderEventListener that essentially just passes through component definitions
                    ReaderEventListener eventListener = new BeansConfigPostProcessorReaderEventListener();
                    problemReporter = new BeansConfigProblemReporter();
                    beanNameGenerator = new UniqueBeanNameGenerator(BeansJavaConfig.this);
                    registry = new ScannedGenericBeanDefinitionSuppressingBeanDefinitionRegistry();

                    try {
                        registerAnnotationProcessors(eventListener);
                        registerBean(eventListener, cl);

                        IBeansConfigPostProcessor[] postProcessors = BeansConfigPostProcessorFactory
                                .createPostProcessor(ConfigurationClassPostProcessor.class.getName());
                        for (IBeansConfigPostProcessor postProcessor : postProcessors) {
                            executePostProcessor(postProcessor, eventListener);
                        }
                    } finally {
                        // Reset the context classloader
                        Thread.currentThread().setContextClassLoader(threadClassLoader);
                        LogFactory.release(cl); //Otherwise permgen leak?
                    }
                    return 0;
                }
            };

            FutureTask<Integer> task = new FutureTask<Integer>(loadBeanDefinitionOperation);
            BeansCorePlugin.getExecutorService().submit(task);
            task.get(BeansCorePlugin.getDefault().getPreferenceStore()
                    .getInt(BeansCorePlugin.TIMEOUT_CONFIG_LOADING_PREFERENCE_ID), TimeUnit.SECONDS);
        } catch (TimeoutException e) {
            problems.add(new ValidationProblem(IMarker.SEVERITY_ERROR,
                    "Loading of configuration '" + this.configClass.getFullyQualifiedName()
                            + "' took more than "
                            + BeansCorePlugin.getDefault().getPreferenceStore()
                                    .getInt(BeansCorePlugin.TIMEOUT_CONFIG_LOADING_PREFERENCE_ID)
                            + "sec",
                    file, 1));
        } catch (Exception e) {
            problems.add(new ValidationProblem(IMarker.SEVERITY_ERROR,
                    String.format("Error occured processing Java config '%s'. See Error Log for more details",
                            e.getCause().getMessage()),
                    getElementResource()));
            BeansCorePlugin.log(new Status(IStatus.INFO, BeansCorePlugin.PLUGIN_ID,
                    String.format("Error occured processing '%s'", this.configClass.getFullyQualifiedName()),
                    e.getCause()));
        } finally {
            // Prepare the internal cache of all children for faster access
            List<ISourceModelElement> allChildren = new ArrayList<ISourceModelElement>(imports);
            allChildren.addAll(aliases.values());
            allChildren.addAll(components);
            allChildren.addAll(beans.values());
            Collections.sort(allChildren, new Comparator<ISourceModelElement>() {
                public int compare(ISourceModelElement element1, ISourceModelElement element2) {
                    return element1.getElementStartLine() - element2.getElementStartLine();
                }
            });
            this.children = allChildren.toArray(new IModelElement[allChildren.size()]);

            this.isModelPopulated = true;
            w.unlock();
        }

    }
}

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