src/main/java/org/apache/sling/feature/apiregions/impl/RegionConfiguration.java - sling-org-apache-sling-feature-apiregions - Git at Google

 /*
  * 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.sling.feature.apiregions.impl;

 import java.io.File;
 import java.io.IOException;
 import java.io.InputStream;
 import java.net.URI;
 import java.net.URISyntaxException;
 import java.util.AbstractMap;
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.Collection;
 import java.util.Collections;
 import java.util.Dictionary;
 import java.util.HashMap;
 import java.util.HashSet;
 import java.util.Hashtable;
 import java.util.LinkedHashSet;
 import java.util.List;
 import java.util.Map;
 import java.util.Map.Entry;
 import java.util.Properties;
 import java.util.Set;
 import java.util.concurrent.ConcurrentHashMap;

 import org.osgi.framework.BundleContext;
 import org.osgi.framework.Version;

 class RegionConfiguration {


     volatile Map<Map.Entry<String, Version>, List<String>> bsnVerMap;
     volatile Map<String, Set<String>> bundleFeatureMap;
     volatile Map<String, Set<String>> featureRegionMap;
     volatile Map<String, Set<String>> regionPackageMap;

     final Set<String> defaultRegions;

     private final Dictionary<String, Object> regProps = new Hashtable<>();

     private final Map<String, Dictionary<String, Object>> factoryConfigs = new ConcurrentHashMap<>();

     private final Map<Map.Entry<String, Version>, List<String>> baseBsnVerMap;
     private final Map<String, Set<String>> baseBundleFeatureMap;
     private final Map<String, Set<String>> baseFeatureRegionMap;
     private final Map<String, Set<String>> baseRegionPackageMap;

     private final String toGlobalConfig;

     RegionConfiguration(Map<Entry<String, Version>, List<String>> bsnVerMap, Map<String, Set<String>> bundleFeatureMap,
                         Map<String, Set<String>> featureRegionMap, Map<String, Set<String>> regionPackageMap, Set<String> defaultRegions) {
         this.defaultRegions = defaultRegions;

         this.baseBsnVerMap = new HashMap<>(bsnVerMap);
         this.baseBundleFeatureMap = new HashMap<>(bundleFeatureMap);
         this.baseFeatureRegionMap = new HashMap<>(featureRegionMap);
         this.baseRegionPackageMap = new HashMap<>(regionPackageMap);

         this.toGlobalConfig = null;

         updateConfiguration();
     }

     RegionConfiguration(final BundleContext context)
             throws IOException, URISyntaxException {

         URI idbsnverFile = getDataFileURI(context, RegionConstants.IDBSNVER_FILENAME);
         // Register the location as a service property for diagnostic purposes
         regProps.put(RegionConstants.IDBSNVER_FILENAME, idbsnverFile.toString());
         Map<Entry<String, Version>, List<String>> bvm = populateBSNVerMap(idbsnverFile);

         URI bundlesFile = getDataFileURI(context, RegionConstants.BUNDLE_FEATURE_FILENAME);
         // Register the location as a service property for diagnostic purposes
         regProps.put(RegionConstants.BUNDLE_FEATURE_FILENAME, bundlesFile.toString());
         Map<String, Set<String>> bfm = populateBundleFeatureMap(bundlesFile);

         URI featuresFile = getDataFileURI(context, RegionConstants.FEATURE_REGION_FILENAME);
         // Register the location as a service property for diagnostic purposes
         regProps.put(RegionConstants.FEATURE_REGION_FILENAME, featuresFile.toString());
         Map<String, Set<String>> frm = populateFeatureRegionMap(featuresFile);

         URI regionsFile = getDataFileURI(context, RegionConstants.REGION_PACKAGE_FILENAME);
         // Register the location as a service property for diagnostic purposes
         regProps.put(RegionConstants.REGION_PACKAGE_FILENAME, regionsFile.toString());
         Map<String, Set<String>> rpm = populateRegionPackageMap(regionsFile);

         // store base configuration
         this.baseBsnVerMap = bvm;
         this.baseBundleFeatureMap = bfm;
         this.baseFeatureRegionMap = frm;
         this.baseRegionPackageMap = rpm;

         this.toGlobalConfig = context.getProperty(RegionConstants.APIREGIONS_JOINGLOBAL);
         if ( this.toGlobalConfig != null ) {
             regProps.put(RegionConstants.APIREGIONS_JOINGLOBAL, this.toGlobalConfig);
         }

         String defRegProp = context.getProperty(RegionConstants.DEFAULT_REGIONS);
         if (defRegProp != null) {
             Set<String> defRegs = new HashSet<>();
             for (String region : Arrays.asList(defRegProp.split(","))) {
                 if (region.length() > 0) {
                     defRegs.add(region);
                 }
             }
             defaultRegions = Collections.unmodifiableSet(defRegs);
             if (defaultRegions.size() > 0) {
                 regProps.put(RegionConstants.DEFAULT_REGIONS, defaultRegions.toString());
             }
         } else {
             defaultRegions = Collections.emptySet();
         }

         updateConfiguration();
     }

     private void updateConfiguration() {
         final Map<Entry<String, Version>, List<String>> bvm = new HashMap<>(this.baseBsnVerMap);
         final Map<String, Set<String>> bfm = new HashMap<>(this.baseBundleFeatureMap);
         final Map<String, Set<String>> frm = new HashMap<>(this.baseFeatureRegionMap);
         final Map<String, Set<String>> rpm = new HashMap<>(this.baseRegionPackageMap);

         // apply configurations
         for(final Dictionary<String, Object> props : this.factoryConfigs.values()) {
             // bundle id to bsnver
             Object valObj = props.get(RegionConstants.PROP_idbsnver);
             if ( valObj != null ) {
                 for(final String val : convert(valObj)) {
                     final String[] parts = val.split("=");
                     final String n = parts[0];
                     final String[] bsnver = parts[1].split("~");
                     addBsnVerArtifact(bvm, bsnver[0], bsnver[1], n);
                 }
             }

             // bundle id to features
             valObj = props.get(RegionConstants.PROP_bundleFeatures);
             if ( valObj != null ) {
                 for(final String val : convert(valObj)) {
                     final String[] parts = val.split("=");
                     final String n = parts[0];
                     final String[] features = parts[1].split(",");
                     addValuesToMap(bfm, n, Arrays.asList(features));
                 }
             }

             // feature id to regions
             valObj = props.get(RegionConstants.PROP_featureRegions);
             if ( valObj != null ) {
                 for(final String val : convert(valObj)) {
                     final String[] parts = val.split("=");
                     final String n = parts[0];
                     final String[] regions = parts[1].split(",");
                     addValuesToMap(frm, n, Arrays.asList(regions));
                 }
             }

             // region to packages
             valObj = props.get(RegionConstants.PROP_regionPackage);
             if ( valObj != null ) {
                 for(final String val : convert(valObj)) {
                     final String[] parts = val.split("=");
                     final String n = parts[0];
                     final String[] packages = parts[1].split(",");
                     addValuesToMap(rpm, n, Arrays.asList(packages));
                 }
             }

         }

         // join regions
         if (this.toGlobalConfig != null) {
             joinRegionsWithGlobal(this.toGlobalConfig, rpm);
         }

         // Make all maps and their contents unmodifiable
         bsnVerMap = unmodifiableMapToList(bvm);
         bundleFeatureMap = unmodifiableMapToSet(bfm);
         featureRegionMap = unmodifiableMapToSet(frm);
         regionPackageMap = unmodifiableMapToSet(rpm);

     }

     private static <K,V> Map<K, List<V>> unmodifiableMapToList(Map<K, List<V>> m) {
         for (Map.Entry<K, List<V>> entry : m.entrySet()) {
             m.put(entry.getKey(), Collections.unmodifiableList(entry.getValue()));
         }
         return Collections.unmodifiableMap(m);
     }

     private static <K,V> Map<K, Set<V>> unmodifiableMapToSet(Map<K, Set<V>> m) {
         for (Map.Entry<K, Set<V>> entry : m.entrySet()) {
             m.put(entry.getKey(), Collections.unmodifiableSet(entry.getValue()));
         }
         return Collections.unmodifiableMap(m);
     }

     private void joinRegionsWithGlobal(String toglobal, Map<String, Set<String>> rpm) {
         for (String region : toglobal.split(",")) {
             Set<String> packages = rpm.get(region);
             if (packages == null)
                 continue;

             addValuesToMap(rpm, RegionConstants.GLOBAL_REGION, packages);
             rpm.remove(region);
         }
     }

     private static Map<Map.Entry<String, Version>, List<String>> populateBSNVerMap(URI idbsnverFile) throws IOException {
         Map<Map.Entry<String, Version>, List<String>> m = new HashMap<>();

         Properties p = new Properties();
         try (InputStream is = idbsnverFile.toURL().openStream()) {
             p.load(is);
         }

         for (String n : p.stringPropertyNames()) {
             String[] bsnver = p.getProperty(n).split("~");
             addBsnVerArtifact(m, bsnver[0], bsnver[1], n);
         }

         return m;
     }

     private static void addBsnVerArtifact(
             Map<Map.Entry<String, Version>, List<String>> bsnVerMap,
             String bundleSymbolicName, String bundleVersion,
             String artifactId) {
         Version version = Version.valueOf(bundleVersion);
         Map.Entry<String, Version> bsnVer = new AbstractMap.SimpleEntry<>(bundleSymbolicName, version);
         List<String> l = bsnVerMap.get(bsnVer);
         if (l == null) {
             l = new ArrayList<>();
             bsnVerMap.put(bsnVer, l);
         }
         l.add(artifactId);
     }

     private static Map<String, Set<String>> populateBundleFeatureMap(URI bundlesFile) throws IOException {
         return loadMap(bundlesFile);
     }

     private static Map<String, Set<String>> populateFeatureRegionMap(URI featuresFile) throws IOException {
         return loadMap(featuresFile);
     }

     private static Map<String, Set<String>> populateRegionPackageMap(URI regionsFile) throws IOException {
         return loadMap(regionsFile);
     }

     private static Map<String, Set<String>> loadMap(URI propsFile) throws IOException {
         Map<String, Set<String>> m = new HashMap<>();

         Properties p = new Properties();
         try (InputStream is = propsFile.toURL().openStream()) {
             p.load(is);
         }

         for (String n : p.stringPropertyNames()) {
             String[] values = p.getProperty(n).split(",");
             addValuesToMap(m, n, Arrays.asList(values));
         }

         return m;
     }

     private static void addValuesToMap(Map<String, Set<String>> map, String key, Collection<String> values) {
         Set<String> bf = map.get(key);
         if (bf == null) {
             bf = new LinkedHashSet<>(); // It's important that the insertion order is maintained.
             map.put(key, bf);
         }
         bf.addAll(values);
     }

     private URI getDataFileURI(BundleContext ctx, String name) throws IOException, URISyntaxException {
         String fn = ctx.getProperty(RegionConstants.PROPERTIES_RESOURCE_PREFIX + name);
         if (fn == null) {
             String loc = ctx.getProperty(RegionConstants.PROPERTIES_FILE_LOCATION);
             if (loc != null) {
                 fn = loc + "/" + name;
             }
         }

         if (fn == null)
             throw new IOException("API Region Enforcement enabled, but no configuration found to find "
                     + "region definition resource: " + name);

         if (fn.contains(":")) {
             if (fn.startsWith(RegionConstants.CLASSLOADER_PSEUDO_PROTOCOL)) {
                 // It's using the 'classloader:' protocol looks up the location from the classloader
                 String loc = fn.substring(RegionConstants.CLASSLOADER_PSEUDO_PROTOCOL.length());
                 if (!loc.startsWith("/"))
                     loc = "/" + loc;
                 fn = getClass().getResource(loc).toString();
             }
             // It's already a URL
             return new URI(fn);
         } else {
             // It's a file location
             return new File(fn).toURI();
         }
     }

     public Map<Map.Entry<String, Version>, List<String>> getBsnVerMap() {
         return bsnVerMap;
     }

     public Map<String, Set<String>> getBundleFeatureMap() {
         return bundleFeatureMap;
     }

     public Map<String, Set<String>> getFeatureRegionMap() {
         return featureRegionMap;
     }

     public Map<String, Set<String>> getRegionPackageMap() {
         return regionPackageMap;
     }

     public Set<String> getDefaultRegions() {
         return defaultRegions;
     }

     public Dictionary<String, Object> getRegistrationProperties() {
         return regProps;
     }

     private String[] convert(final Object obj) {
         if ( obj instanceof String[]) {
             return (String[])obj;
         }
         return new String[] {obj.toString()};
     }

     /**
      * Add a new factory configuration
      * @param pid The pid
      * @param props The properties
      */
     public void setConfig(final String pid, final Dictionary<String, Object> props) {
         this.factoryConfigs.put(pid, props);
         updateConfiguration();
     }

     /**
      * Remove a factory configuration
      * @param pid The pid
      */
     public void removeConfig(final String pid) {
         final Dictionary<String, Object> props = this.factoryConfigs.remove(pid);
         if ( props != null ) {
             updateConfiguration();
         }
     }
 }
	/*
	* 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.sling.feature.apiregions.impl;

	import java.io.File;
	import java.io.IOException;
	import java.io.InputStream;
	import java.net.URI;
	import java.net.URISyntaxException;
	import java.util.AbstractMap;
	import java.util.ArrayList;
	import java.util.Arrays;
	import java.util.Collection;
	import java.util.Collections;
	import java.util.Dictionary;
	import java.util.HashMap;
	import java.util.HashSet;
	import java.util.Hashtable;
	import java.util.LinkedHashSet;
	import java.util.List;
	import java.util.Map;
	import java.util.Map.Entry;
	import java.util.Properties;
	import java.util.Set;
	import java.util.concurrent.ConcurrentHashMap;

	import org.osgi.framework.BundleContext;
	import org.osgi.framework.Version;

	class RegionConfiguration {


	volatile Map<Map.Entry<String, Version>, List<String>> bsnVerMap;
	volatile Map<String, Set<String>> bundleFeatureMap;
	volatile Map<String, Set<String>> featureRegionMap;
	volatile Map<String, Set<String>> regionPackageMap;

	final Set<String> defaultRegions;

	private final Dictionary<String, Object> regProps = new Hashtable<>();

	private final Map<String, Dictionary<String, Object>> factoryConfigs = new ConcurrentHashMap<>();

	private final Map<Map.Entry<String, Version>, List<String>> baseBsnVerMap;
	private final Map<String, Set<String>> baseBundleFeatureMap;
	private final Map<String, Set<String>> baseFeatureRegionMap;
	private final Map<String, Set<String>> baseRegionPackageMap;

	private final String toGlobalConfig;

	RegionConfiguration(Map<Entry<String, Version>, List<String>> bsnVerMap, Map<String, Set<String>> bundleFeatureMap,
	Map<String, Set<String>> featureRegionMap, Map<String, Set<String>> regionPackageMap, Set<String> defaultRegions) {
	this.defaultRegions = defaultRegions;

	this.baseBsnVerMap = new HashMap<>(bsnVerMap);
	this.baseBundleFeatureMap = new HashMap<>(bundleFeatureMap);
	this.baseFeatureRegionMap = new HashMap<>(featureRegionMap);
	this.baseRegionPackageMap = new HashMap<>(regionPackageMap);

	this.toGlobalConfig = null;

	updateConfiguration();
	}

	RegionConfiguration(final BundleContext context)
	throws IOException, URISyntaxException {

	URI idbsnverFile = getDataFileURI(context, RegionConstants.IDBSNVER_FILENAME);
	// Register the location as a service property for diagnostic purposes
	regProps.put(RegionConstants.IDBSNVER_FILENAME, idbsnverFile.toString());
	Map<Entry<String, Version>, List<String>> bvm = populateBSNVerMap(idbsnverFile);

	URI bundlesFile = getDataFileURI(context, RegionConstants.BUNDLE_FEATURE_FILENAME);
	// Register the location as a service property for diagnostic purposes
	regProps.put(RegionConstants.BUNDLE_FEATURE_FILENAME, bundlesFile.toString());
	Map<String, Set<String>> bfm = populateBundleFeatureMap(bundlesFile);

	URI featuresFile = getDataFileURI(context, RegionConstants.FEATURE_REGION_FILENAME);
	// Register the location as a service property for diagnostic purposes
	regProps.put(RegionConstants.FEATURE_REGION_FILENAME, featuresFile.toString());
	Map<String, Set<String>> frm = populateFeatureRegionMap(featuresFile);

	URI regionsFile = getDataFileURI(context, RegionConstants.REGION_PACKAGE_FILENAME);
	// Register the location as a service property for diagnostic purposes
	regProps.put(RegionConstants.REGION_PACKAGE_FILENAME, regionsFile.toString());
	Map<String, Set<String>> rpm = populateRegionPackageMap(regionsFile);

	// store base configuration
	this.baseBsnVerMap = bvm;
	this.baseBundleFeatureMap = bfm;
	this.baseFeatureRegionMap = frm;
	this.baseRegionPackageMap = rpm;

	this.toGlobalConfig = context.getProperty(RegionConstants.APIREGIONS_JOINGLOBAL);
	if ( this.toGlobalConfig != null ) {
	regProps.put(RegionConstants.APIREGIONS_JOINGLOBAL, this.toGlobalConfig);
	}

	String defRegProp = context.getProperty(RegionConstants.DEFAULT_REGIONS);
	if (defRegProp != null) {
	Set<String> defRegs = new HashSet<>();
	for (String region : Arrays.asList(defRegProp.split(","))) {
	if (region.length() > 0) {
	defRegs.add(region);
	}
	}
	defaultRegions = Collections.unmodifiableSet(defRegs);
	if (defaultRegions.size() > 0) {
	regProps.put(RegionConstants.DEFAULT_REGIONS, defaultRegions.toString());
	}
	} else {
	defaultRegions = Collections.emptySet();
	}

	updateConfiguration();
	}

	private void updateConfiguration() {
	final Map<Entry<String, Version>, List<String>> bvm = new HashMap<>(this.baseBsnVerMap);
	final Map<String, Set<String>> bfm = new HashMap<>(this.baseBundleFeatureMap);
	final Map<String, Set<String>> frm = new HashMap<>(this.baseFeatureRegionMap);
	final Map<String, Set<String>> rpm = new HashMap<>(this.baseRegionPackageMap);

	// apply configurations
	for(final Dictionary<String, Object> props : this.factoryConfigs.values()) {
	// bundle id to bsnver
	Object valObj = props.get(RegionConstants.PROP_idbsnver);
	if ( valObj != null ) {
	for(final String val : convert(valObj)) {
	final String[] parts = val.split("=");
	final String n = parts[0];
	final String[] bsnver = parts[1].split("~");
	addBsnVerArtifact(bvm, bsnver[0], bsnver[1], n);
	}
	}

	// bundle id to features
	valObj = props.get(RegionConstants.PROP_bundleFeatures);
	if ( valObj != null ) {
	for(final String val : convert(valObj)) {
	final String[] parts = val.split("=");
	final String n = parts[0];
	final String[] features = parts[1].split(",");
	addValuesToMap(bfm, n, Arrays.asList(features));
	}
	}

	// feature id to regions
	valObj = props.get(RegionConstants.PROP_featureRegions);
	if ( valObj != null ) {
	for(final String val : convert(valObj)) {
	final String[] parts = val.split("=");
	final String n = parts[0];
	final String[] regions = parts[1].split(",");
	addValuesToMap(frm, n, Arrays.asList(regions));
	}
	}

	// region to packages
	valObj = props.get(RegionConstants.PROP_regionPackage);
	if ( valObj != null ) {
	for(final String val : convert(valObj)) {
	final String[] parts = val.split("=");
	final String n = parts[0];
	final String[] packages = parts[1].split(",");
	addValuesToMap(rpm, n, Arrays.asList(packages));
	}
	}

	}

	// join regions
	if (this.toGlobalConfig != null) {
	joinRegionsWithGlobal(this.toGlobalConfig, rpm);
	}

	// Make all maps and their contents unmodifiable
	bsnVerMap = unmodifiableMapToList(bvm);
	bundleFeatureMap = unmodifiableMapToSet(bfm);
	featureRegionMap = unmodifiableMapToSet(frm);
	regionPackageMap = unmodifiableMapToSet(rpm);

	}

	private static <K,V> Map<K, List<V>> unmodifiableMapToList(Map<K, List<V>> m) {
	for (Map.Entry<K, List<V>> entry : m.entrySet()) {
	m.put(entry.getKey(), Collections.unmodifiableList(entry.getValue()));
	}
	return Collections.unmodifiableMap(m);
	}

	private static <K,V> Map<K, Set<V>> unmodifiableMapToSet(Map<K, Set<V>> m) {
	for (Map.Entry<K, Set<V>> entry : m.entrySet()) {
	m.put(entry.getKey(), Collections.unmodifiableSet(entry.getValue()));
	}
	return Collections.unmodifiableMap(m);
	}

	private void joinRegionsWithGlobal(String toglobal, Map<String, Set<String>> rpm) {
	for (String region : toglobal.split(",")) {
	Set<String> packages = rpm.get(region);
	if (packages == null)
	continue;

	addValuesToMap(rpm, RegionConstants.GLOBAL_REGION, packages);
	rpm.remove(region);
	}
	}

	private static Map<Map.Entry<String, Version>, List<String>> populateBSNVerMap(URI idbsnverFile) throws IOException {
	Map<Map.Entry<String, Version>, List<String>> m = new HashMap<>();

	Properties p = new Properties();
	try (InputStream is = idbsnverFile.toURL().openStream()) {
	p.load(is);
	}

	for (String n : p.stringPropertyNames()) {
	String[] bsnver = p.getProperty(n).split("~");
	addBsnVerArtifact(m, bsnver[0], bsnver[1], n);
	}

	return m;
	}

	private static void addBsnVerArtifact(
	Map<Map.Entry<String, Version>, List<String>> bsnVerMap,
	String bundleSymbolicName, String bundleVersion,
	String artifactId) {
	Version version = Version.valueOf(bundleVersion);
	Map.Entry<String, Version> bsnVer = new AbstractMap.SimpleEntry<>(bundleSymbolicName, version);
	List<String> l = bsnVerMap.get(bsnVer);
	if (l == null) {
	l = new ArrayList<>();
	bsnVerMap.put(bsnVer, l);
	}
	l.add(artifactId);
	}

	private static Map<String, Set<String>> populateBundleFeatureMap(URI bundlesFile) throws IOException {
	return loadMap(bundlesFile);
	}

	private static Map<String, Set<String>> populateFeatureRegionMap(URI featuresFile) throws IOException {
	return loadMap(featuresFile);
	}

	private static Map<String, Set<String>> populateRegionPackageMap(URI regionsFile) throws IOException {
	return loadMap(regionsFile);
	}

	private static Map<String, Set<String>> loadMap(URI propsFile) throws IOException {
	Map<String, Set<String>> m = new HashMap<>();

	Properties p = new Properties();
	try (InputStream is = propsFile.toURL().openStream()) {
	p.load(is);
	}

	for (String n : p.stringPropertyNames()) {
	String[] values = p.getProperty(n).split(",");
	addValuesToMap(m, n, Arrays.asList(values));
	}

	return m;
	}

	private static void addValuesToMap(Map<String, Set<String>> map, String key, Collection<String> values) {
	Set<String> bf = map.get(key);
	if (bf == null) {
	bf = new LinkedHashSet<>(); // It's important that the insertion order is maintained.
	map.put(key, bf);
	}
	bf.addAll(values);
	}

	private URI getDataFileURI(BundleContext ctx, String name) throws IOException, URISyntaxException {
	String fn = ctx.getProperty(RegionConstants.PROPERTIES_RESOURCE_PREFIX + name);
	if (fn == null) {
	String loc = ctx.getProperty(RegionConstants.PROPERTIES_FILE_LOCATION);
	if (loc != null) {
	fn = loc + "/" + name;
	}
	}

	if (fn == null)
	throw new IOException("API Region Enforcement enabled, but no configuration found to find "
	+ "region definition resource: " + name);

	if (fn.contains(":")) {
	if (fn.startsWith(RegionConstants.CLASSLOADER_PSEUDO_PROTOCOL)) {
	// It's using the 'classloader:' protocol looks up the location from the classloader
	String loc = fn.substring(RegionConstants.CLASSLOADER_PSEUDO_PROTOCOL.length());
	if (!loc.startsWith("/"))
	loc = "/" + loc;
	fn = getClass().getResource(loc).toString();
	}
	// It's already a URL
	return new URI(fn);
	} else {
	// It's a file location
	return new File(fn).toURI();
	}
	}

	public Map<Map.Entry<String, Version>, List<String>> getBsnVerMap() {
	return bsnVerMap;
	}

	public Map<String, Set<String>> getBundleFeatureMap() {
	return bundleFeatureMap;
	}

	public Map<String, Set<String>> getFeatureRegionMap() {
	return featureRegionMap;
	}

	public Map<String, Set<String>> getRegionPackageMap() {
	return regionPackageMap;
	}

	public Set<String> getDefaultRegions() {
	return defaultRegions;
	}

	public Dictionary<String, Object> getRegistrationProperties() {
	return regProps;
	}

	private String[] convert(final Object obj) {
	if ( obj instanceof String[]) {
	return (String[])obj;
	}
	return new String[] {obj.toString()};
	}

	/**
	* Add a new factory configuration
	* @param pid The pid
	* @param props The properties
	*/
	public void setConfig(final String pid, final Dictionary<String, Object> props) {
	this.factoryConfigs.put(pid, props);
	updateConfiguration();
	}

	/**
	* Remove a factory configuration
	* @param pid The pid
	*/
	public void removeConfig(final String pid) {
	final Dictionary<String, Object> props = this.factoryConfigs.remove(pid);
	if ( props != null ) {
	updateConfiguration();
	}
	}
	}