/*
* 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.profile.impl;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;
import java.util.Collections;
import java.util.HashMap;
import java.util.HashSet;
import java.util.LinkedHashSet;
import java.util.List;
import java.util.Map;
import java.util.Map.Entry;
import java.util.Set;
import org.apache.karaf.profile.Profile;
import org.apache.karaf.profile.ProfileBuilder;
import static org.apache.karaf.profile.impl.ProfileImpl.ConfigListType;
/**
* The default {@link ProfileBuilder}
*/
public final class ProfileBuilderImpl implements ProfileBuilder {
private static final String PARENTS_ATTRIBUTE_KEY = Profile.ATTRIBUTE_PREFIX + Profile.PARENTS;
private String profileId;
private Map<String, byte[]> fileMapping = new HashMap<>();
private boolean isOverlay;
@Override
public ProfileBuilder from(Profile profile) {
profileId = profile.getId();
setFileConfigurations(profile.getFileConfigurations());
return this;
}
@Override
public ProfileBuilder identity(String profileId) {
this.profileId = profileId;
return this;
}
@Override
public List<String> getParents() {
Map<String, Object> config = getConfigurationInternal(Profile.INTERNAL_PID);
String pspec = (String) config.get(PARENTS_ATTRIBUTE_KEY);
String[] parentIds = pspec != null ? pspec.split(" ") : new String[0];
return Arrays.asList(parentIds);
}
@Override
public ProfileBuilder addParent(String parentId) {
return addParentsInternal(Collections.singletonList(parentId), false);
}
@Override
public ProfileBuilder addParents(List<String> parentIds) {
return addParentsInternal(parentIds, false);
}
@Override
public ProfileBuilder setParents(List<String> parentIds) {
return addParentsInternal(parentIds, true);
}
private ProfileBuilder addParentsInternal(List<String> parentIds, boolean clear) {
Set<String> currentIds = new LinkedHashSet<>(getParents());
if (clear) {
currentIds.clear();
}
if (parentIds != null) {
currentIds.addAll(parentIds);
}
updateParentsAttribute(currentIds);
return this;
}
@Override
public ProfileBuilder removeParent(String profileId) {
Set<String> currentIds = new LinkedHashSet<>(getParents());
currentIds.remove(profileId);
updateParentsAttribute(currentIds);
return this;
}
private void updateParentsAttribute(Collection<String> parentIds) {
Map<String, Object> config = getConfigurationInternal(Profile.INTERNAL_PID);
config.remove(PARENTS_ATTRIBUTE_KEY);
if (parentIds.size() > 0) {
config.put(PARENTS_ATTRIBUTE_KEY, parentsAttributeValue(parentIds));
}
addConfiguration(Profile.INTERNAL_PID, config);
}
private String parentsAttributeValue(Collection<String> parentIds) {
return parentIds.isEmpty() ? "" : String.join(" ", parentIds);
}
@Override
public Set<String> getFileConfigurationKeys() {
return fileMapping.keySet();
}
@Override
public byte[] getFileConfiguration(String key) {
return fileMapping.get(key);
}
@Override
public ProfileBuilder setFileConfigurations(Map<String, byte[]> configurations) {
fileMapping = new HashMap<>(configurations);
return this;
}
@Override
public ProfileBuilder addFileConfiguration(String fileName, byte[] data) {
fileMapping.put(fileName, data);
return this;
}
@Override
public ProfileBuilder deleteFileConfiguration(String fileName) {
fileMapping.remove(fileName);
return this;
}
@Override
public ProfileBuilder setConfigurations(Map<String, Map<String, Object>> configs) {
for (String pid : getConfigurationKeys()) {
deleteConfiguration(pid);
}
for (Entry<String, Map<String, Object>> entry : configs.entrySet()) {
addConfiguration(entry.getKey(), new HashMap<>(entry.getValue()));
}
return this;
}
@Override
public ProfileBuilder addConfiguration(String pid, Map<String, Object> config) {
fileMapping.put(pid + Profile.PROPERTIES_SUFFIX, Utils.toBytes(config));
return this;
}
@Override
public ProfileBuilder addConfiguration(String pid, String key, Object value) {
Map<String, Object> config = getConfigurationInternal(pid);
config.put(key, value);
return addConfiguration(pid, config);
}
@Override
public Set<String> getConfigurationKeys() {
Set<String> result = new HashSet<>();
for (String fileKey : fileMapping.keySet()) {
if (fileKey.endsWith(Profile.PROPERTIES_SUFFIX)) {
String configKey = fileKey.substring(0, fileKey.indexOf(Profile.PROPERTIES_SUFFIX));
result.add(configKey);
}
}
return Collections.unmodifiableSet(result);
}
@Override
public Map<String, Object> getConfiguration(String pid) {
return getConfigurationInternal(pid);
}
private Map<String, Object> getConfigurationInternal(String pid) {
byte[] bytes = fileMapping.get(pid + Profile.PROPERTIES_SUFFIX);
return Utils.toProperties(bytes);
}
@Override
public ProfileBuilder deleteConfiguration(String pid) {
fileMapping.remove(pid + Profile.PROPERTIES_SUFFIX);
return this;
}
@Override
public ProfileBuilder setBundles(List<String> values) {
addAgentConfiguration(ConfigListType.BUNDLES, values);
return this;
}
@Override
public ProfileBuilder addBundle(String value) {
addAgentConfiguration(ConfigListType.BUNDLES, value);
return this;
}
@Override
public ProfileBuilder setFeatures(List<String> values) {
addAgentConfiguration(ConfigListType.FEATURES, values);
return this;
}
@Override
public ProfileBuilder addFeature(String value) {
addAgentConfiguration(ConfigListType.FEATURES, value);
return this;
}
@Override
public ProfileBuilder setRepositories(List<String> values) {
addAgentConfiguration(ConfigListType.REPOSITORIES, values);
return this;
}
@Override
public ProfileBuilder addRepository(String value) {
addAgentConfiguration(ConfigListType.REPOSITORIES, value);
return this;
}
@Override
public ProfileBuilder setOverrides(List<String> values) {
addAgentConfiguration(ConfigListType.OVERRIDES, values);
return this;
}
@Override
public ProfileBuilder setOptionals(List<String> values) {
addAgentConfiguration(ConfigListType.OPTIONALS, values);
return this;
}
public ProfileBuilder setOverlay(boolean overlay) {
this.isOverlay = overlay;
return this;
}
@Override
public ProfileBuilder addAttribute(String key, String value) {
addConfiguration(Profile.INTERNAL_PID, Profile.ATTRIBUTE_PREFIX + key, value);
return this;
}
@Override
public ProfileBuilder setAttributes(Map<String, String> attributes) {
Map<String, Object> config = getConfigurationInternal(Profile.INTERNAL_PID);
for (String key : new ArrayList<>(config.keySet())) {
if (key.startsWith(Profile.ATTRIBUTE_PREFIX)) {
config.remove(key);
}
}
for (Entry<String, String> entry : attributes.entrySet()) {
config.put(Profile.ATTRIBUTE_PREFIX + entry.getKey(), entry.getValue());
}
addConfiguration(Profile.INTERNAL_PID, config);
return null;
}
private void addAgentConfiguration(ConfigListType type, List<String> values) {
String prefix = type + ".";
Map<String, Object> config = getConfigurationInternal(Profile.INTERNAL_PID);
for (String key : new ArrayList<>(config.keySet())) {
if (key.startsWith(prefix)) {
config.remove(key);
}
}
for (String value : values) {
config.put(prefix + value, value);
}
addConfiguration(Profile.INTERNAL_PID, config);
}
private void addAgentConfiguration(ConfigListType type, String value) {
String prefix = type + ".";
Map<String, Object> config = getConfigurationInternal(Profile.INTERNAL_PID);
config.put(prefix + value, value);
addConfiguration(Profile.INTERNAL_PID, config);
}
@Override
public Profile getProfile() {
return new ProfileImpl(profileId, getParents(), fileMapping, isOverlay);
}
}