| /* |
| * Copyright (C) 2010 Google Inc. |
| * |
| * 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. |
| */ |
| |
| package com.google.clearsilver.jsilver.adaptor; |
| |
| import com.google.clearsilver.jsilver.JSilver; |
| import com.google.clearsilver.jsilver.JSilverOptions; |
| import com.google.clearsilver.jsilver.data.DataFactory; |
| import com.google.clearsilver.jsilver.data.DefaultData; |
| import com.google.clearsilver.jsilver.data.HDFDataFactory; |
| |
| import org.clearsilver.ClearsilverFactory; |
| import org.clearsilver.DelegatedHdf; |
| import org.clearsilver.HDF; |
| |
| /** |
| * ClearsilverFactory that adapts JSilver for use as any HDF/CS rendering engine. |
| */ |
| public class JSilverFactory implements ClearsilverFactory { |
| |
| private static final JSilverOptions DEFAULT_OPTIONS = new JSilverOptions(); |
| |
| private final boolean unwrapDelegatedHdfs; |
| private final JSilver jSilver; |
| private final JSilverOptions options; |
| private final DataFactory dataFactory; |
| |
| private final LoadPathToFileCache loadPathCache; |
| |
| /** |
| * Default constructor. enables unwrapping of DelegatedHdfs. |
| */ |
| public JSilverFactory() { |
| this(DEFAULT_OPTIONS); |
| } |
| |
| public JSilverFactory(JSilverOptions options) { |
| this(options, true); |
| } |
| |
| public JSilverFactory(JSilverOptions options, boolean unwrapDelegatedHdfs) { |
| this(new JSilver(null, options), unwrapDelegatedHdfs); |
| } |
| |
| /** |
| * This constructor is available for those who already use JSilver and want to use the same |
| * attributes and caches for their Java Clearsilver Framework code. Users who use only JCF should |
| * use a different constructor. |
| * |
| * @param jSilver existing instance of JSilver to use for parsing and rendering. |
| * @param unwrapDelegatedHdfs whether to unwrap DelegetedHdfs or not before casting. |
| */ |
| public JSilverFactory(JSilver jSilver, boolean unwrapDelegatedHdfs) { |
| this.unwrapDelegatedHdfs = unwrapDelegatedHdfs; |
| this.jSilver = jSilver; |
| this.options = jSilver.getOptions(); |
| if (this.options.getLoadPathCacheSize() == 0) { |
| this.loadPathCache = null; |
| } else { |
| this.loadPathCache = new LoadPathToFileCache(this.options.getLoadPathCacheSize()); |
| } |
| this.dataFactory = |
| new HDFDataFactory(options.getIgnoreAttributes(), options.getStringInternStrategy()); |
| } |
| |
| @Override |
| public JCs newCs(HDF hdf) { |
| if (unwrapDelegatedHdfs) { |
| hdf = DelegatedHdf.getFullyUnwrappedHdf(hdf); |
| } |
| return new JCs(JHdf.cast(hdf), jSilver, loadPathCache); |
| } |
| |
| @Override |
| public JCs newCs(HDF hdf, HDF globalHdf) { |
| if (unwrapDelegatedHdfs) { |
| hdf = DelegatedHdf.getFullyUnwrappedHdf(hdf); |
| globalHdf = DelegatedHdf.getFullyUnwrappedHdf(globalHdf); |
| } |
| JCs cs = new JCs(JHdf.cast(hdf), jSilver, loadPathCache); |
| cs.setGlobalHDF(globalHdf); |
| return cs; |
| } |
| |
| @Override |
| public JHdf newHdf() { |
| return new JHdf(new DefaultData(), dataFactory, loadPathCache, options); |
| } |
| } |