/*
* #%L
* ACS AEM Commons Bundle
* %%
* Copyright (C) 2013 - 2014 Adobe
* %%
* 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%
*/
package com.adobe.acs.commons.widgets;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import org.apache.sling.api.resource.Resource;
import org.apache.sling.api.resource.ValueMap;
import org.apache.sling.commons.json.JSONException;
import org.apache.sling.commons.json.JSONObject;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import aQute.bnd.annotation.ProviderType;
import tldgen.Function;
/**
* JSP functions for working with MultiFieldPanel widget.
*/
@ProviderType
public final class MultiFieldPanelFunctions {
private static final Logger log = LoggerFactory.getLogger(MultiFieldPanelFunctions.class);
private MultiFieldPanelFunctions() {
}
/**
* Extract the value of a MultiFieldPanel property into a list of maps. Will never return
* a null map, but may return an empty one. Invalid property values are logged and skipped.
*
* @param resource the resource
* @param name the property name
* @return a list of maps.
*/
@Function
public static List<Map<String, String>> getMultiFieldPanelValues(Resource resource, String name) {
ValueMap map = resource.adaptTo(ValueMap.class);
List<Map<String, String>> results = new ArrayList<Map<String, String>>();
if (map.containsKey(name)) {
String[] values = map.get(name, new String[0]);
for (String value : values) {
try {
JSONObject parsed = new JSONObject(value);
Map<String, String> columnMap = new HashMap<String, String>();
for (Iterator<String> iter = parsed.keys(); iter.hasNext();) {
String key = iter.next();
String innerValue = parsed.getString(key);
columnMap.put(key, innerValue);
}
results.add(columnMap);
} catch (JSONException e) {
log.error(
String.format("Unable to parse JSON in %s property of %s", name, resource.getPath()),
e);
}
}
}
return results;
}
}