/*
* 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);
}
}