/*
* 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.karaf.eik.core.features;
import org.apache.karaf.eik.core.KarafCorePluginUtils;
import org.apache.karaf.eik.core.features.internal.ElementTransformer;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import org.apache.commons.collections.Predicate;
import org.apache.commons.collections.Transformer;
import org.apache.commons.collections.list.TransformedList;
import org.jdom.Element;
public final class Feature implements ParentAwareObject<Object> {
private final String name;
private final String version;
private final Element element;
private static final class BundleOnlyPredicate implements Predicate {
@Override
public boolean evaluate(final Object element) {
return element instanceof Bundle;
}
}
public Feature(final Element element) {
if (element.getAttribute("name") != null) {
name = element.getAttributeValue("name");
} else {
name = element.getValue();
}
version = element.getAttributeValue("version");
this.element = element;
}
@Override
public int hashCode() {
final int prime = 31;
int result = 1;
result = prime * result + (name == null ? 0 : name.hashCode());
return result;
}
@Override
public boolean equals(final Object obj) {
if (this == obj) {
return true;
}
if (obj == null) {
return false;
}
if (!(obj instanceof Feature)) {
return false;
}
final Feature other = (Feature) obj;
if (name == null) {
if (other.name != null) {
return false;
}
} else if (!name.equals(other.name)) {
return false;
}
return true;
}
public String getName() {
return name;
}
@Override
public Object getParent() {
final Transformer transformer = new ElementTransformer();
return transformer.transform(element.getParentElement());
}
public String getVersion() {
return version;
}
@Override
public String toString() {
final StringBuffer sb = new StringBuffer("");
if (name != null) {
sb.append(name);
}
return sb.toString();
}
@SuppressWarnings("unchecked")
public List<Bundle> getBundles() {
final List<Bundle> rawList = new ArrayList<Bundle>();
final List<Bundle> transformedList = TransformedList.decorate(rawList, new ElementTransformer());
transformedList.addAll(element.getChildren());
return Collections.unmodifiableList(KarafCorePluginUtils.filterList(transformedList, new BundleOnlyPredicate()));
}
@SuppressWarnings("unchecked")
public List<Feature> getFeatures() {
final List<Feature> rawList = new ArrayList<Feature>();
final List<Feature> transformedList = TransformedList.decorate(rawList, new ElementTransformer());
transformedList.addAll(element.getChildren());
return Collections.unmodifiableList(KarafCorePluginUtils.filterList(transformedList, new FeatureOnlyPredicate()));
}
}