contentmodel.js

Hippo CMS是一个以信息为中心的开源内容管理系统。Hippo CMS目标是供中,大型企业来管理其发布在互连网

/*
* Copyright 2001-2007 Hippo (www.hippo.nl)
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
*   http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
importClass(Packages.nl.hippo.cms.contentmodel.Repository);
importClass(Packages.nl.hippo.cms.contentmodel.ContentModelException);
importClass(Packages.nl.hippo.cms.contentmodel.ContentModelUtil);
importClass(Packages.nl.hippo.cms.contentmodel.WebdavRepository);


function usingResourceDo(uriPrefix, resourceId, processor)
{
  var repository;
  try 
  {
    repository = cocoon.getComponent(Repository.ROLE);
    var resource = repository.lookupResource(uriPrefix + resourceId);
    if (resource != null)
    {
      processor(resource);
    }
  }
  finally 
  {
    if (repository != null) 
    {
      cocoon.releaseComponent(repository);
    }
  }
}


function usingDocumentDo(uriPrefix, resourceId, processor)
{
  var repository;
  try 
  {
    repository = cocoon.getComponent(Repository.ROLE);
    var document = repository.lookupDocument(uriPrefix + resourceId);
    if (document != null)
    {
      processor(document);
    }
  }
  finally 
  {
    if (repository != null) 
    {
      cocoon.releaseComponent(repository);
    }
  }
}


function usingCollectionDo(uriPrefix, resourceId, processor)
{
  var repository;
  try 
  {
    repository = cocoon.getComponent(Repository.ROLE);
    var collection = repository.lookupCollection(uriPrefix + resourceId);
    if (collection != null)
    {
      processor(collection);
    }
  }
  finally 
  {
    if (repository != null) 
    {
      cocoon.releaseComponent(repository);
    }
  }
}


function usingRepositoryDo(processor)
{
  var repository;
  try 
  {
    repository = cocoon.getComponent(Repository.ROLE);
    processor(repository);
  }
  finally 
  {
    if (repository != null) 
    {
      cocoon.releaseComponent(repository);
    }
  }
}


function usingAssetDo(uriPrefix, resourceId, processor)
{
  var repository;
  try 
  {
    repository = cocoon.getComponent(Repository.ROLE);
    var asset = repository.lookupAsset(uriPrefix + resourceId);
    if (asset != null)
    {
      processor(asset);
    }
  }
  finally 
  {
    if (repository != null) 
    {
      cocoon.releaseComponent(repository);
    }
  }
}


function usingInputStreamDo(src, processor)
{
  var resolver = null;
  var source = null;
  var input = null;
  try {
    resolver = cocoon.getComponent(SourceResolver.ROLE);
    source = resolver.resolveURI(src);
    input = source.getInputStream();
    processor(input);
  }
  finally {
    if (input != null) {
      try {
       input.close();
      }
      catch (e) {}
    }
    if (source != null) {
      resolver.release(source);
    }
    if (resolver != null) {
      cocoon.releaseComponent(resolver);
    }
  }
}