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This bundle is the core implementation of the Karaf features support.
/*
* 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.features.management.codec;
import java.net.URI;
import java.util.Arrays;
import java.util.Collection;
import java.util.List;
import javax.management.openmbean.ArrayType;
import javax.management.openmbean.CompositeData;
import javax.management.openmbean.CompositeDataSupport;
import javax.management.openmbean.CompositeType;
import javax.management.openmbean.OpenDataException;
import javax.management.openmbean.OpenType;
import javax.management.openmbean.SimpleType;
import javax.management.openmbean.TabularData;
import javax.management.openmbean.TabularDataSupport;
import javax.management.openmbean.TabularType;
import org.apache.karaf.features.Feature;
import org.apache.karaf.features.Repository;
import org.apache.karaf.features.management.FeaturesServiceMBean;
public class JmxRepository {
public static final CompositeType REPOSITORY;
public static final TabularType REPOSITORY_TABLE;
private final CompositeData data;
public JmxRepository(Repository repository) {
try {
String[] itemNames = FeaturesServiceMBean.REPOSITORY;
Object[] itemValues = new Object[itemNames.length];
itemValues[0] = repository.getName();
itemValues[1] = repository.getURI().toString();
itemValues[2] = toStringArray(repository.getRepositories());
itemValues[3] = getFeatureIdentifierTable(Arrays.asList(repository.getFeatures()));
itemValues[4] = repository.isBlacklisted();
data = new CompositeDataSupport(REPOSITORY, itemNames, itemValues);
} catch (Exception e) {
throw new IllegalStateException("Cannot form repository open data", e);
}
}
public CompositeData asCompositeData() {
return data;
}
public static TabularData tableFrom(Collection repositories) {
TabularDataSupport table = new TabularDataSupport(REPOSITORY_TABLE);
for (JmxRepository repository : repositories) {
table.put(repository.asCompositeData());
}
return table;
}
private static String[] toStringArray(URI[] uris) {
if (uris == null) {
return null;
}
String[] res = new String[uris.length];
for (int i = 0; i < res.length; i++) {
res[i] = uris[i].toString();
}
return res;
}
static TabularData getFeatureIdentifierTable(List features) throws OpenDataException {
TabularDataSupport table = new TabularDataSupport(JmxFeature.FEATURE_IDENTIFIER_TABLE);
for (Feature feature : features) {
String[] itemNames = new String[]{FeaturesServiceMBean.FEATURE_NAME, FeaturesServiceMBean.FEATURE_VERSION};
Object[] itemValues = new Object[]{feature.getName(), feature.getVersion()};
CompositeData ident = new CompositeDataSupport(JmxFeature.FEATURE_IDENTIFIER, itemNames, itemValues);
table.put(ident);
}
return table;
}
static {
REPOSITORY = createRepositoryType();
REPOSITORY_TABLE = createRepositoryTableType();
}
private static CompositeType createRepositoryType() {
try {
String description = "This type identify a Karaf repository";
String[] itemNames = FeaturesServiceMBean.REPOSITORY;
OpenType[] itemTypes = new OpenType[itemNames.length];
String[] itemDescriptions = new String[itemNames.length];
itemTypes[0] = SimpleType.STRING;
itemTypes[1] = SimpleType.STRING;
itemTypes[2] = new ArrayType(1, SimpleType.STRING);
itemTypes[3] = JmxFeature.FEATURE_IDENTIFIER_TABLE;
itemTypes[4] = SimpleType.BOOLEAN;
itemDescriptions[0] = "The name of the repository";
itemDescriptions[1] = "The uri of the repository";
itemDescriptions[2] = "The dependent repositories";
itemDescriptions[3] = "The list of included features";
itemDescriptions[4] = "Whether the repository is blacklisted";
return new CompositeType("Repository", description, itemNames,
itemDescriptions, itemTypes);
} catch (OpenDataException e) {
throw new IllegalStateException("Unable to build repository type", e);
}
}
private static TabularType createRepositoryTableType() {
try {
return new TabularType("Features", "The table of repositories",
REPOSITORY, new String[]{FeaturesServiceMBean.REPOSITORY_URI});
} catch (OpenDataException e) {
throw new IllegalStateException("Unable to build repository table type", e);
}
}
}