public void addComment()

in slingshot/src/main/java/org/apache/sling/sample/slingshot/comments/impl/CommentsServiceImpl.java [69:117]
44 lines of code
7 McCabe index (conditional complexity)

    public void addComment(final Resource resource, final Comment c)
    throws PersistenceException {
        final String commentsPath = this.getCommentsResourcePath(resource);
        final Map<String, Object> props = new HashMap<String, Object>();
        props.put(ResourceResolver.PROPERTY_RESOURCE_TYPE, RESOURCETYPE_COMMENTS);
        final Resource ratingsResource = ResourceUtil.getOrCreateResource(resource.getResourceResolver(),
                commentsPath, props, null, true);

        final Map<String, Object> properties = new HashMap<String, Object>();
        properties.put(ResourceResolver.PROPERTY_RESOURCE_TYPE, CommentsUtil.RESOURCETYPE_COMMENT);
        properties.put(CommentsUtil.PROPERTY_TITLE, c.getTitle());
        properties.put(CommentsUtil.PROPERTY_TEXT, c.getText());
        properties.put(CommentsUtil.PROPERTY_USER, c.getCreatedBy());

        // we try it five times
        PersistenceException exception = null;
        Resource newResource = null;
        for(int i=0; i<5; i++) {
            try {
                exception = null;
                final String name = ResourceUtil.createUniqueChildName(ratingsResource, Util.filter(c.getTitle()));
                newResource = resource.getResourceResolver().create(ratingsResource, name, properties);

                resource.getResourceResolver().commit();
                break;
            } catch ( final PersistenceException pe) {
                resource.getResourceResolver().revert();
                resource.getResourceResolver().refresh();
                exception = pe;
            }
        }
        if ( exception != null ) {
            throw exception;
        }
        // order node at the top (if jcr based)
        final Node newNode = newResource.adaptTo(Node.class);
        if ( newNode != null ) {
            try {
                final Node parent = newNode.getParent();
                final Node firstNode = parent.getNodes().nextNode();
                if ( !firstNode.getName().equals(newNode.getName()) ) {
                    parent.orderBefore(newNode.getName(), firstNode.getName());
                    newNode.getSession().save();
                }
            } catch ( final RepositoryException re) {
                logger.error("Unable to order comment to the top", re);
            }
        }
    }