Examples of org.jfree.resourceloader.ResourceData

org.jfree.resourceloader.ResourceData
A resource data object encapsulates the raw data of an resource at a given point in the past. Any change to the resource increases the version number. Version numbers are not needed to be checked regulary, but must be checked on each call to 'getVersion()'. This definitly does *not* solve the problem of concurrent modifications; if you need to be sure that the resource has not been altered between the last call to 'getVersion' and 'getResource..' external locking mechanism have to be implemented. @author Thomas Morgner


  public long getVersion(ResourceManager caller)
          throws ResourceLoadingException
  {
    final ResourceKey parentKey = key.getParent();
    final ResourceData data = caller.load(parentKey);
    return data.getVersion(caller);
  }

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      final String pfbFileName = fontType.substring
              (0, fontType.length() - 4) + ".pfb";
      try
      {
        final ResourceKey pfbKey = manager.deriveKey(key, pfbFileName);
        ResourceData res = manager.load(pfbKey);
        pfb = res.getResource(manager);
        dc.add(pfbKey, res.getVersion(manager));
      }
      catch (ResourceException e)
      {
        // ignore ..
      }

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   * @return the resource data object, possibly wrapped by a cache-specific
   *         implementation.
   */
  public ResourceData put(ResourceManager caller, ResourceData data) throws ResourceLoadingException
  {
    final ResourceData cdata = CachingResourceData.createCached(data);
    dataCache.put(new Element(data.getKey(), new DefaultResourceDataCacheEntry(cdata, caller)));
    return cdata;
  }

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   *         implementation.
   */
  public ResourceData put(final ResourceManager caller, final ResourceData data)
          throws ResourceLoadingException
  {
    final ResourceData cdata = CachingResourceData.createCached(data);
    final String ext = CacheUtility.externalizeKey(data.getKey());
    if (ext == null)
    {
      return cdata;
    }

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   * @return the resource data object, possibly wrapped by a cache-specific
   *         implementation.
   */
  public ResourceData put(final ResourceManager caller, final ResourceData data) throws ResourceLoadingException
  {
    final ResourceData cdata = CachingResourceData.createCached(data);
    dataCache.put(new Element(data.getKey(), new DefaultResourceDataCacheEntry(cdata, caller)));
    return cdata;
  }

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