package com.cognifide.slice.api.tag;
/*
* #%L
* Slice - Core API
* $Id:$
* $HeadURL:$
* %%
* Copyright (C) 2012 Cognifide Limited
* %%
* 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.
* #L%
*/
import javax.servlet.jsp.JspException;
import javax.servlet.jsp.PageContext;
import javax.servlet.jsp.tagext.SimpleTagSupport;
import org.apache.commons.lang.StringUtils;
import org.apache.sling.api.SlingHttpServletRequest;
import com.cognifide.slice.api.context.ContextProvider;
import com.cognifide.slice.api.injector.InjectorsRepository;
public class SliceLookupTag extends SimpleTagSupport {
private String var;
private String appName; // auto-detected when null
private Class<?> type;
private void clean() {
type = null;
var = null;
appName = null;
}
@Override
public void doTag() throws JspException {
try {
if (StringUtils.isBlank(var) || (type == null)) {
return;
}
final PageContext pageContext = (PageContext) getJspContext();
final SlingHttpServletRequest request = SliceTagUtils.slingRequestFrom(pageContext);
final InjectorsRepository injectorsRepository = SliceTagUtils
.injectorsRepositoryFrom(pageContext);
final ContextProvider contextProvider = SliceTagUtils.contextProviderFrom(pageContext);
final Object model = SliceTagUtils.getFromCurrentPath(request, injectorsRepository,
contextProvider, type, appName);
pageContext.setAttribute(var, model, PageContext.PAGE_SCOPE);
} finally {
clean();
}
}
public void setType(Class<?> type) {
this.type = type;
}
public void setVar(String var) {
this.var = var;
}
public void setAppName(String appName) {
this.appName = appName;
}
}