我有一个页面路径(例如/content/my-site/en/cars),并且我需要此页面上以 java 代码表示的所有“parsys”和“iparsys”组件的列表。有什么方法可以做到吗?感谢您的帮助。
最佳答案
我假设您正在尝试 Sling model或WCMUsePOJO读取页面的内部节点。这里是技巧:
- 如果您不知道存在多少个 parsys 节点:这不是理想情况,因为页面渲染脚本规定了所有包含的 parsys 和 iparsys。但以防万一,您将像这样运行 sling:resourceType 查询:
Iterator<Resource> parsysResources = resourceResolver.findResources("/jcr:root/content/my-site/en/cars//*[sling:resourceType='foundation/components/parsys']", Query.XPATH);
Iterator<Resource> iparsysResources = resourceResolver.findResources("/jcr:root/content/my-site/en/cars//*[sling:resourceType='foundation/components/iparsys']", Query.XPATH);
- 类似的查询,但使用查询构建器(推荐):建议使用查询构建器 API,以提高 future 的可读性和可扩展性。
List<Resource> parsysIpaysysResources = new ArrayList<>();
Map<String, String> predicateMap = new HashMap<>();
predicateMap.put("path", "/content/my-site/en/cars");
predicateMap.put("1_property", "sling:resourceType");
predicateMap.put("1_property.value", "foundation/components/parsys");
predicateMap.put("2_property", "sling:resourceType");
predicateMap.put("2_property.value", "foundation/components/iparsys");
predicateMap.put("p.limit", "-1");
QueryBuilder queryBuilder = resourceResolver.adaptTo(QueryBuilder.class);
Session session = resourceResolver.adaptTo(Session.class);
com.day.cq.search.Query query = queryBuilder.createQuery(PredicateGroup.create(predicateMap), session);
SearchResult result = query.getResult();
Iterator<Resource> resources = result.getResources();
while (resources.hasNext()) {
parsysIpaysysResources.add(resources.next());
}
- 如果已知 parsys 节点是页面内容的直接子节点,则与查询相比,listChildren 的成本会更低。
Page pageContent = pageManager.getContainingPage("/content/my-site/en/cars");
Iterator<Resource> children = pageContent.getContentResource().listChildren();
while(children != null && children.hasNext()) {
Resource child = children.next();
if(child.isResourceType("foundation/components/parsys") || child.isResourceType("foundation/components/iparsys")) {
// do something
}
}
- 如果知道内部 parsys 的节点名称,则可以利用 JCR API
Page pageContent = pageManager.getContainingPage("/content/my-site/en/cars");
Node pageContentNode = pageContent.adaptTo(Node.class);
try {
NodeIterator nodeIter = pageContentNode.getNodes("parsys*");
// iterate nodes
} catch (RepositoryException e) {
e.printStackTrace();
}
关于java - AEM 6.1 : Get all 'parsys' and 'iparsys' components of the page,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/50564967/