/*
* Copyright 2004 Sun Microsystems, 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.sun.syndication.io.impl;
import com.sun.syndication.feed.module.Module;
import com.sun.syndication.io.ModuleParser;
import com.sun.syndication.io.WireFeedParser;
import org.jdom2.Element;
import org.jdom2.Namespace;
import java.util.ArrayList;
import java.util.List;
/**
*/
public class ModuleParsers extends PluginManager {
public ModuleParsers(String propertyKey, WireFeedParser parentParser) {
super(propertyKey, parentParser, null);
}
public String getKey(Object obj) {
return ((ModuleParser)obj).getNamespaceUri();
}
public List getModuleNamespaces() {
return getKeys();
}
public List parseModules(Element root) {
List parsers = getPlugins();
List modules = null;
for (int i=0;i<parsers.size();i++) {
ModuleParser parser = (ModuleParser) parsers.get(i);
String namespaceUri = parser.getNamespaceUri();
Namespace namespace = Namespace.getNamespace(namespaceUri);
if (hasElementsFrom(root, namespace)) {
Module module = parser.parse(root);
if (module != null) {
if (modules == null) {
modules = new ArrayList();
}
modules.add(module);
}
}
}
return modules;
}
private boolean hasElementsFrom(Element root, Namespace namespace) {
boolean hasElements = false;
// boolean hasElements = namespace.equals(root.getNamespace());
if (!hasElements) {
List children = root.getChildren();
for (int i=0;!hasElements && i < children.size();i++) {
Element child = (Element) children.get(i);
hasElements = namespace.equals(child.getNamespace());
}
}
return hasElements;
}
}