/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF 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.apache.sling.scripting.jsp.taglib;
import java.util.Iterator;
import javax.servlet.jsp.tagext.TagSupport;
import org.apache.sling.api.resource.Resource;
import org.apache.sling.api.resource.ResourceResolver;
import org.apache.sling.api.scripting.SlingBindings;
import org.apache.sling.api.scripting.SlingScriptHelper;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* Tag for searching for resources using the given query formulated in the given
* language.
*/
public class FindResourcesTag extends TagSupport {
/** The Constant log. */
private static final Logger log = LoggerFactory
.getLogger(FindResourcesTag.class);
/** The Constant serialVersionUID. */
private static final long serialVersionUID = 8717969268407440925L;
/** The query. */
private String query;
/** The language. */
private String language;
/** The var. */
private String var;
/*
* (non-Javadoc)
*
* @see javax.servlet.jsp.tagext.TagSupport#doEndTag()
*/
@Override
public int doEndTag() {
log.trace("doEndTag");
log.debug("Finding resources using query: {} of language {}", query,
language);
ResourceResolver resolver = getResourceResolver();
final Iterator<Resource> resources = resolver.findResources(query,
language);
log.debug("Saving resources to variable {}", var);
pageContext.setAttribute(var, resources);
return EVAL_PAGE;
}
/**
* Gets the language.
*
* @return the language
*/
public String getLanguage() {
return language;
}
/**
* Gets the query.
*
* @return the query
*/
public String getQuery() {
return query;
}
/**
* Method for retrieving the ResourceResolver from the page context.
*
* @return the resource resolver
*/
protected ResourceResolver getResourceResolver() {
final SlingBindings bindings = (SlingBindings) pageContext.getRequest()
.getAttribute(SlingBindings.class.getName());
final SlingScriptHelper scriptHelper = bindings.getSling();
final ResourceResolver resolver = scriptHelper.getRequest()
.getResourceResolver();
return resolver;
}
/**
* Gets the variable name to which to save the list of children.
*
* @return the variable name
*/
public String getVar() {
return var;
}
/**
* Sets the language.
*
* @param language the new language
*/
public void setLanguage(String language) {
this.language = language;
}
/**
* Sets the query.
*
* @param query the new query
*/
public void setQuery(String query) {
this.query = query;
}
/**
* Sets the variable name to which to save the list of children.
*
* @param var
* the variable name
*/
public void setVar(String var) {
this.var = var;
}
}