/**
* Licensed to Jasig under one or more contributor license
* agreements. See the NOTICE file distributed with this work
* for additional information regarding copyright ownership.
* Jasig licenses this file to you 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 org.jasig.portal.rendering.xslt;
import java.util.LinkedHashMap;
import java.util.Map;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.jasig.portal.layout.IStylesheetUserPreferencesService;
import org.jasig.portal.layout.IStylesheetUserPreferencesService.PreferencesScope;
import org.jasig.portal.layout.om.IStylesheetDescriptor;
import org.jasig.portal.layout.om.IStylesheetParameterDescriptor;
import org.jasig.portal.utils.cache.CacheKey;
import org.jasig.portal.utils.cache.CacheKey.CacheKeyBuilder;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.BeanNameAware;
import org.springframework.beans.factory.annotation.Autowired;
/**
* Exposes transformer parameters from {@link IStylesheetDescriptor#getStylesheetParameterDescriptors()}
*
* @author Eric Dalquist
* @version $Revision$
*/
public abstract class StylesheetDescriptorTransformerConfigurationSource extends TransformerConfigurationSourceAdapter implements BeanNameAware {
protected final Logger logger = LoggerFactory.getLogger(this.getClass());
protected IStylesheetUserPreferencesService stylesheetUserPreferencesService;
private String beanName;
@Autowired
public void setStylesheetUserPreferencesService(IStylesheetUserPreferencesService stylesheetUserPreferencesService) {
this.stylesheetUserPreferencesService = stylesheetUserPreferencesService;
}
@Override
public void setBeanName(String name) {
this.beanName = name;
}
@Override
public final CacheKey getCacheKey(HttpServletRequest request, HttpServletResponse response) {
final CacheKeyBuilder cacheKeyBuilder = CacheKey.builder(this.getName());
final PreferencesScope preferencesScope = this.getStylesheetPreferencesScope(request);
final IStylesheetDescriptor stylesheetDescriptor = this.stylesheetUserPreferencesService.getStylesheetDescriptor(request, preferencesScope);
//Build key from stylesheet descriptor parameters
for (final IStylesheetParameterDescriptor stylesheetParameterDescriptor : stylesheetDescriptor.getStylesheetParameterDescriptors()) {
final String defaultValue = stylesheetParameterDescriptor.getDefaultValue();
if (defaultValue != null) {
final String name = stylesheetParameterDescriptor.getName();
cacheKeyBuilder.put(name, defaultValue);
}
}
return cacheKeyBuilder.build();
}
@Override
public final Map<String, Object> getParameters(HttpServletRequest request, HttpServletResponse response) {
final PreferencesScope preferencesScope = this.getStylesheetPreferencesScope(request);
final IStylesheetDescriptor stylesheetDescriptor = this.stylesheetUserPreferencesService.getStylesheetDescriptor(request, preferencesScope);
//Build map of stylesheet descriptor parameters
final LinkedHashMap<String, Object> parameters = new LinkedHashMap<String, Object>();
for (final IStylesheetParameterDescriptor stylesheetParameterDescriptor : stylesheetDescriptor.getStylesheetParameterDescriptors()) {
final String defaultValue = stylesheetParameterDescriptor.getDefaultValue();
if (defaultValue != null) {
final String name = stylesheetParameterDescriptor.getName();
parameters.put(name, defaultValue);
}
}
return parameters;
}
protected String getName() {
return this.beanName;
}
protected abstract PreferencesScope getStylesheetPreferencesScope(HttpServletRequest request);
}