From 132aa8a77685ec92bc90c03f987650d275a7b639 Mon Sep 17 00:00:00 2001 From: lresende Date: Mon, 30 Sep 2013 06:59:11 +0000 Subject: 2.0.1 RC1 release tag git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@1527464 13f79535-47bb-0310-9956-ffa450edef68 --- .../remoteserviceadmin/EndpointDescription.java | 682 ++++++++++++++++++++ .../remoteserviceadmin/EndpointListener.java | 126 ++++ .../remoteserviceadmin/EndpointPermission.java | 693 +++++++++++++++++++++ .../remoteserviceadmin/ExportReference.java | 45 ++ .../remoteserviceadmin/ExportRegistration.java | 71 +++ .../remoteserviceadmin/ImportReference.java | 44 ++ .../remoteserviceadmin/ImportRegistration.java | 67 ++ .../remoteserviceadmin/RemoteConstants.java | 216 +++++++ .../remoteserviceadmin/RemoteServiceAdmin.java | 124 ++++ .../RemoteServiceAdminEvent.java | 178 ++++++ .../RemoteServiceAdminListener.java | 44 ++ 11 files changed, 2290 insertions(+) create mode 100644 sca-java-2.x/tags/2.0.1-RC1/modules/node-impl-osgi/src/main/java/org/osgi/service/remoteserviceadmin/EndpointDescription.java create mode 100644 sca-java-2.x/tags/2.0.1-RC1/modules/node-impl-osgi/src/main/java/org/osgi/service/remoteserviceadmin/EndpointListener.java create mode 100644 sca-java-2.x/tags/2.0.1-RC1/modules/node-impl-osgi/src/main/java/org/osgi/service/remoteserviceadmin/EndpointPermission.java create mode 100644 sca-java-2.x/tags/2.0.1-RC1/modules/node-impl-osgi/src/main/java/org/osgi/service/remoteserviceadmin/ExportReference.java create mode 100644 sca-java-2.x/tags/2.0.1-RC1/modules/node-impl-osgi/src/main/java/org/osgi/service/remoteserviceadmin/ExportRegistration.java create mode 100644 sca-java-2.x/tags/2.0.1-RC1/modules/node-impl-osgi/src/main/java/org/osgi/service/remoteserviceadmin/ImportReference.java create mode 100644 sca-java-2.x/tags/2.0.1-RC1/modules/node-impl-osgi/src/main/java/org/osgi/service/remoteserviceadmin/ImportRegistration.java create mode 100644 sca-java-2.x/tags/2.0.1-RC1/modules/node-impl-osgi/src/main/java/org/osgi/service/remoteserviceadmin/RemoteConstants.java create mode 100644 sca-java-2.x/tags/2.0.1-RC1/modules/node-impl-osgi/src/main/java/org/osgi/service/remoteserviceadmin/RemoteServiceAdmin.java create mode 100644 sca-java-2.x/tags/2.0.1-RC1/modules/node-impl-osgi/src/main/java/org/osgi/service/remoteserviceadmin/RemoteServiceAdminEvent.java create mode 100644 sca-java-2.x/tags/2.0.1-RC1/modules/node-impl-osgi/src/main/java/org/osgi/service/remoteserviceadmin/RemoteServiceAdminListener.java (limited to 'sca-java-2.x/tags/2.0.1-RC1/modules/node-impl-osgi/src/main/java/org/osgi/service') diff --git a/sca-java-2.x/tags/2.0.1-RC1/modules/node-impl-osgi/src/main/java/org/osgi/service/remoteserviceadmin/EndpointDescription.java b/sca-java-2.x/tags/2.0.1-RC1/modules/node-impl-osgi/src/main/java/org/osgi/service/remoteserviceadmin/EndpointDescription.java new file mode 100644 index 0000000000..ee7e5ba1bd --- /dev/null +++ b/sca-java-2.x/tags/2.0.1-RC1/modules/node-impl-osgi/src/main/java/org/osgi/service/remoteserviceadmin/EndpointDescription.java @@ -0,0 +1,682 @@ +/* + * Copyright (c) OSGi Alliance (2008, 2010). All Rights Reserved. + * + * 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 org.osgi.service.remoteserviceadmin; + +import static org.osgi.service.remoteserviceadmin.RemoteConstants.*; + +import java.security.AccessController; +import java.security.PrivilegedAction; +import java.util.ArrayList; +import java.util.Arrays; +import java.util.Collection; +import java.util.Collections; +import java.util.Dictionary; +import java.util.Enumeration; +import java.util.Iterator; +import java.util.List; +import java.util.Map; +import java.util.TreeMap; + +import org.osgi.framework.Constants; +import org.osgi.framework.Filter; +import org.osgi.framework.FrameworkUtil; +import org.osgi.framework.InvalidSyntaxException; +import org.osgi.framework.ServiceReference; +import org.osgi.framework.Version; + +/** + * A description of an endpoint that provides sufficient information for a + * compatible distribution provider to create a connection to this endpoint + * + * An Endpoint Description is easy to transfer between different systems because + * it is property based where the property keys are strings and the values are + * simple types. This allows it to be used as a communications device to convey + * available endpoint information to nodes in a network. + * + * An Endpoint Description reflects the perspective of an importer. That + * is, the property keys have been chosen to match filters that are created by + * client bundles that need a service. Therefore the map must not contain any + * service.exported.* property and must contain the corresponding + * service.imported.* ones. + * + * The service.intents property must contain the intents provided + * by the service itself combined with the intents added by the exporting + * distribution provider. Qualified intents appear fully expanded on this + * property. + * + * @Immutable + * @version $Revision$ + */ + +public class EndpointDescription { + private final Map properties; + private final List interfaces; + private final long serviceId; + private final String frameworkUUID; + private final String id; + + /** + * Create an Endpoint Description from a Map. + * + *

+ * The {@link RemoteConstants#ENDPOINT_ID endpoint.id}, + * {@link RemoteConstants#SERVICE_IMPORTED_CONFIGS service.imported.configs} + * and objectClass properties must be set. + * + * @param properties The map from which to create the Endpoint Description. + * The keys in the map must be type String and, since + * the keys are case insensitive, there must be no duplicates with + * case variation. + * @throws IllegalArgumentException When the properties are not proper for + * an Endpoint Description. + */ + + public EndpointDescription(Map properties) { + Map props = new TreeMap( + String.CASE_INSENSITIVE_ORDER); + try { + props.putAll(properties); + } + catch (ClassCastException e) { + IllegalArgumentException iae = new IllegalArgumentException( + "non-String key in properties"); + iae.initCause(e); + throw iae; + } + if (props.size() < properties.size()) { + throw new IllegalArgumentException( + "duplicate keys with different cases in properties: " + + new ArrayList(props.keySet()) + .removeAll(properties.keySet())); + } + + if (!props.containsKey(SERVICE_IMPORTED)) { + props.put(SERVICE_IMPORTED, Boolean.toString(true)); + } + this.properties = Collections.unmodifiableMap(props); + /* properties must be initialized before calling the following methods */ + interfaces = verifyObjectClassProperty(); + serviceId = verifyLongProperty(ENDPOINT_SERVICE_ID); + frameworkUUID = verifyStringProperty(ENDPOINT_FRAMEWORK_UUID); + id = verifyStringProperty(ENDPOINT_ID); + if (id == null) { + throw new IllegalArgumentException(ENDPOINT_ID + + " property must be set"); + } + if (getConfigurationTypes().isEmpty()) { + throw new IllegalArgumentException(SERVICE_IMPORTED_CONFIGS + + " property must be set and non-empty"); + } + } + + /** + * Create an Endpoint Description based on a Service Reference and a Map of + * properties. The properties in the map take precedence over the properties + * in the Service Reference. + * + *

+ * This method will automatically set the + * {@link RemoteConstants#ENDPOINT_FRAMEWORK_UUID endpoint.framework.uuid} + * and {@link RemoteConstants#ENDPOINT_SERVICE_ID endpoint.service.id} + * properties based on the specified Service Reference as well as the + * {@link RemoteConstants#SERVICE_IMPORTED service.imported} property if + * they are not specified as properties. + *

+ * The {@link RemoteConstants#ENDPOINT_ID endpoint.id}, + * {@link RemoteConstants#SERVICE_IMPORTED_CONFIGS service.imported.configs} + * and objectClass properties must be set. + * + * @param reference A service reference that can be exported. + * @param properties Map of properties. This argument can be + * null. The keys in the map must be type + * String and, since the keys are case insensitive, + * there must be no duplicates with case variation. + * @throws IllegalArgumentException When the properties are not proper for + * an Endpoint Description + */ + public EndpointDescription(final ServiceReference reference, + final Map properties) { + Map props = new TreeMap( + String.CASE_INSENSITIVE_ORDER); + + if (properties != null) { + try { + props.putAll(properties); + } + catch (ClassCastException e) { + IllegalArgumentException iae = new IllegalArgumentException( + "non-String key in properties"); + iae.initCause(e); + throw iae; + } + if (props.size() < properties.size()) { + throw new IllegalArgumentException( + "duplicate keys with different cases in properties: " + + new ArrayList(props.keySet()) + .removeAll(properties.keySet())); + } + } + + for (String key : reference.getPropertyKeys()) { + if (!props.containsKey(key)) { + props.put(key, reference.getProperty(key)); + } + } + + if (!props.containsKey(ENDPOINT_SERVICE_ID)) { + props.put(ENDPOINT_SERVICE_ID, reference.getProperty(Constants.SERVICE_ID)); + } + if (!props.containsKey(ENDPOINT_FRAMEWORK_UUID)) { + String uuid = null; + try { + uuid = AccessController + .doPrivileged(new PrivilegedAction() { + public String run() { + return reference.getBundle().getBundleContext() + .getProperty("org.osgi.framework.uuid"); + } + }); + } + catch (SecurityException e) { + // if we don't have permission, we can't get the property + } + if (uuid != null) { + props.put(ENDPOINT_FRAMEWORK_UUID, uuid); + } + } + if (!props.containsKey(SERVICE_IMPORTED)) { + props.put(SERVICE_IMPORTED, Boolean.toString(true)); + } + this.properties = Collections.unmodifiableMap(props); + /* properties must be initialized before calling the following methods */ + interfaces = verifyObjectClassProperty(); + serviceId = verifyLongProperty(ENDPOINT_SERVICE_ID); + frameworkUUID = verifyStringProperty(ENDPOINT_FRAMEWORK_UUID); + id = verifyStringProperty(ENDPOINT_ID); + if (id == null) { + throw new IllegalArgumentException(ENDPOINT_ID + + " property must be set"); + } + if (getConfigurationTypes().isEmpty()) { + throw new IllegalArgumentException(SERVICE_IMPORTED_CONFIGS + + " property must be set and non-empty"); + } + } + + /** + * Verify and obtain the interface list from the properties. + * + * @return A list with the interface names. + * @throws IllegalArgumentException If the objectClass property is not set + * or is empty or if the package version property values are + * malformed. + */ + private List verifyObjectClassProperty() { + Object o = properties.get(Constants.OBJECTCLASS); + if (!(o instanceof String[])) { + throw new IllegalArgumentException( + "objectClass value must be of type String[]"); + } + String[] objectClass = (String[]) o; + if (objectClass.length < 1) { + throw new IllegalArgumentException("objectClass is empty"); + } + for (String interf : objectClass) { + int index = interf.lastIndexOf('.'); + if (index == -1) { + continue; + } + String packageName = interf.substring(0, index); + try { + /* Make sure any package version properties are well formed */ + getPackageVersion(packageName); + } + catch (IllegalArgumentException e) { + IllegalArgumentException iae = new IllegalArgumentException( + "Improper version for package " + packageName); + iae.initCause(e); + throw iae; + } + } + return Collections.unmodifiableList(Arrays.asList(objectClass)); + } + + /** + * Verify and obtain a required String property. + * + * @param propName The name of the property + * @return The value of the property or null if the property is not set. + * @throws IllegalArgumentException when the property doesn't have the + * correct data type. + */ + private String verifyStringProperty(String propName) { + Object r = properties.get(propName); + try { + return (String) r; + } + catch (ClassCastException e) { + IllegalArgumentException iae = new IllegalArgumentException( + "property value is not a String: " + propName); + iae.initCause(e); + throw iae; + } + } + + /** + * Verify and obtain a required long property. + * + * @param propName The name of the property + * @return The value of the property or 0 if the property is not set. + * @throws IllegalArgumentException when the property doesn't have the + * correct data type. + */ + private long verifyLongProperty(String propName) { + Object r = properties.get(propName); + if (r == null) { + return 0l; + } + try { + return ((Long) r).longValue(); + } + catch (ClassCastException e) { + IllegalArgumentException iae = new IllegalArgumentException( + "property value is not a Long: " + propName); + iae.initCause(e); + throw iae; + } + } + + /** + * Returns the endpoint's id. + * + * The id is an opaque id for an endpoint. No two different endpoints must + * have the same id. Two Endpoint Descriptions with the same id must + * represent the same endpoint. + * + * The value of the id is stored in the + * {@link RemoteConstants#ENDPOINT_ID} property. + * + * @return The id of the endpoint, never null. + */ + public String getId() { + return id; + } + + /** + * Provide the list of interfaces implemented by the exported service. + * + * The value of the interfaces is derived from the objectClass + * property. + * + * @return An unmodifiable list of Java interface names implemented by this + * endpoint. + */ + public List getInterfaces() { + return interfaces; + } + + /** + * Provide the version of the given package name. + * + * The version is encoded by prefixing the given package name with + * {@link RemoteConstants#ENDPOINT_PACKAGE_VERSION_ + * endpoint.package.version.}, and then using this as an endpoint property + * key. For example: + * + * 

+	 * endpoint.package.version.com.acme
+	 *
+ * + * The value of this property is in String format and will be converted to a + * Version object by this method. + * + * @param packageName The name of the package for which a version is + * requested. + * @return The version of the specified package or + * Version.emptyVersion if the package has no version + * in this Endpoint Description. + * @throws IllegalArgumentException If the version property value is not + * String. + */ + public Version getPackageVersion(String packageName) { + String key = ENDPOINT_PACKAGE_VERSION_ + packageName; + Object value = properties.get(key); + String version; + try { + version = (String) value; + } + catch (ClassCastException e) { + IllegalArgumentException iae = new IllegalArgumentException(key + + " property value is not a String"); + iae.initCause(e); + throw iae; + } + return Version.parseVersion(version); + } + + /** + * Returns the service id for the service exported through this endpoint. + * + * This is the service id under which the framework has registered the + * service. This field together with the Framework UUID is a globally unique + * id for a service. + * + * The value of the remote service id is stored in the + * {@link RemoteConstants#ENDPOINT_SERVICE_ID} endpoint property. + * + * @return Service id of a service or 0 if this Endpoint Description does + * not relate to an OSGi service. + * + */ + public long getServiceId() { + return serviceId; + } + + /** + * Returns the configuration types. + * + * A distribution provider exports a service with an endpoint. This endpoint + * uses some kind of communications protocol with a set of configuration + * parameters. There are many different types but each endpoint is + * configured by only one configuration type. However, a distribution + * provider can be aware of different configuration types and provide + * synonyms to increase the change a receiving distribution provider can + * create a connection to this endpoint. + * + * This value of the configuration types is stored in the + * {@link RemoteConstants#SERVICE_IMPORTED_CONFIGS} service property. + * + * @return An unmodifiable list of the configuration types used for the + * associated endpoint and optionally synonyms. + */ + public List getConfigurationTypes() { + return getStringPlusProperty(SERVICE_IMPORTED_CONFIGS); + } + + /** + * Return the list of intents implemented by this endpoint. + * + * The intents are based on the service.intents on an imported service, + * except for any intents that are additionally provided by the importing + * distribution provider. All qualified intents must have been expanded. + * + * This value of the intents is stored in the + * {@link RemoteConstants#SERVICE_INTENTS} service property. + * + * @return An unmodifiable list of expanded intents that are provided by + * this endpoint. + */ + public List getIntents() { + return getStringPlusProperty(SERVICE_INTENTS); + } + + /** + * Reads a 'String+' property from the properties map, which may be of type + * String, String[] or Collection and returns it as an unmodifiable + * List. + * + * @param key The property + * @return An unmodifiable list + */ + private List getStringPlusProperty(String key) { + Object value = properties.get(key); + if (value == null) { + return Collections.EMPTY_LIST; + } + + if (value instanceof String) { + return Collections.singletonList((String) value); + } + + if (value instanceof String[]) { + String[] values = (String[]) value; + List result = new ArrayList(values.length); + for (String v : values) { + if (v != null) { + result.add(v); + } + } + return Collections.unmodifiableList(result); + } + + if (value instanceof Collection< ? >) { + Collection< ? > values = (Collection< ? >) value; + List result = new ArrayList(values.size()); + for (Iterator< ? > iter = values.iterator(); iter.hasNext();) { + Object v = iter.next(); + if (v instanceof String) { + result.add((String) v); + } + } + return Collections.unmodifiableList(result); + } + + return Collections.EMPTY_LIST; + } + + /** + * Return the framework UUID for the remote service, if present. + * + * The value of the remote framework uuid is stored in the + * {@link RemoteConstants#ENDPOINT_FRAMEWORK_UUID} endpoint property. + * + * @return Remote Framework UUID, or null if this endpoint is not associated + * with an OSGi framework having a framework uuid. + */ + public String getFrameworkUUID() { + return frameworkUUID; + } + + /** + * Returns all endpoint properties. + * + * @return An unmodifiable map referring to the properties of this Endpoint + * Description. + */ + public Map getProperties() { + return properties; + } + + /** + * Answers if this Endpoint Description refers to the same service instance + * as the given Endpoint Description. + * + * Two Endpoint Descriptions point to the same service if they have the same + * id or their framework UUIDs and remote service ids are equal. + * + * @param other The Endpoint Description to look at + * @return True if this endpoint description points to the same service as + * the other + */ + public boolean isSameService(EndpointDescription other) { + if (this.equals(other)) { + return true; + } + + if (this.getFrameworkUUID() == null) { + return false; + } + + return (this.getServiceId() == other.getServiceId()) + && this.getFrameworkUUID().equals( + other.getFrameworkUUID()); + } + + /** + * Returns a hash code value for the object. + * + * @return An integer which is a hash code value for this object. + */ + public int hashCode() { + return getId().hashCode(); + } + + /** + * Compares this EndpointDescription object to another object. + * + *

+ * An Endpoint Description is considered to be equal to another + * Endpoint Description if their ids are equal. + * + * @param other The EndpointDescription object to be compared. + * @return true if object is a + * EndpointDescription and is equal to this object; + * false otherwise. + */ + public boolean equals(Object other) { + if (this == other) { + return true; + } + if (!(other instanceof EndpointDescription)) { + return false; + } + return getId().equals( + ((EndpointDescription) other).getId()); + } + + /** + * Tests the properties of this EndpointDescription against + * the given filter using a case insensitive match. + * + * @param filter The filter to test. + * @return true If the properties of this + * EndpointDescription match the filter, + * false otherwise. + * @throws IllegalArgumentException If filter contains an + * invalid filter string that cannot be parsed. + */ + public boolean matches(String filter) { + Filter f; + try { + f = FrameworkUtil.createFilter(filter); + } + catch (InvalidSyntaxException e) { + IllegalArgumentException iae = new IllegalArgumentException(e + .getMessage()); + iae.initCause(e); + throw iae; + } + Dictionary d = new UnmodifiableDictionary( + properties); + /* + * we can use matchCase here since properties already supports case + * insensitive key lookup. + */ + return f.matchCase(d); + } + + /** + * Returns the string representation of this EndpointDescription. + * + * @return String form of this EndpointDescription. + */ + public String toString() { + StringBuffer sb = new StringBuffer(); + sb.append('{'); + Iterator> iter = properties.entrySet() + .iterator(); + boolean comma = false; + while (iter.hasNext()) { + Map.Entry entry = iter.next(); + if (comma) { + sb.append(", "); + } + else { + comma = true; + } + sb.append(entry.getKey()); + sb.append('='); + Object value = entry.getValue(); + if (value != null) { + Class< ? > valueType = value.getClass(); + if (Object[].class.isAssignableFrom(valueType)) { + append(sb, (Object[]) value); + continue; + } + } + sb.append(value); + } + sb.append('}'); + return sb.toString(); + } + + /** + * Append the specified Object array to the specified StringBuffer. + * + * @param sb Receiving StringBuffer. + * @param value Object array to append to the specified StringBuffer. + */ + private static void append(StringBuffer sb, Object[] value) { + sb.append('['); + boolean comma = false; + final int length = value.length; + for (int i = 0; i < length; i++) { + if (comma) { + sb.append(", "); + } + else { + comma = true; + } + sb.append(String.valueOf(value[i])); + } + sb.append(']'); + } + + /** + * Unmodifiable Dictionary wrapper for a Map. This class is also used by + * EndpointPermission. + */ + static class UnmodifiableDictionary extends Dictionary { + private final Map wrapped; + + UnmodifiableDictionary(Map wrapped) { + this.wrapped = wrapped; + } + + public Enumeration elements() { + return Collections.enumeration(wrapped.values()); + } + + public V get(Object key) { + return wrapped.get(key); + } + + public boolean isEmpty() { + return wrapped.isEmpty(); + } + + public Enumeration keys() { + return Collections.enumeration(wrapped.keySet()); + } + + public V put(K key, V value) { + throw new UnsupportedOperationException(); + } + + public V remove(Object key) { + throw new UnsupportedOperationException(); + } + + public int size() { + return wrapped.size(); + } + + public String toString() { + return wrapped.toString(); + } + } +} diff --git a/sca-java-2.x/tags/2.0.1-RC1/modules/node-impl-osgi/src/main/java/org/osgi/service/remoteserviceadmin/EndpointListener.java b/sca-java-2.x/tags/2.0.1-RC1/modules/node-impl-osgi/src/main/java/org/osgi/service/remoteserviceadmin/EndpointListener.java new file mode 100644 index 0000000000..941b899fbb --- /dev/null +++ b/sca-java-2.x/tags/2.0.1-RC1/modules/node-impl-osgi/src/main/java/org/osgi/service/remoteserviceadmin/EndpointListener.java @@ -0,0 +1,126 @@ +/* + * Copyright (c) OSGi Alliance (2009). All Rights Reserved. + * + * 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 org.osgi.service.remoteserviceadmin; + +/** + * A white board service that represents a listener for endpoints. + * + * An Endpoint Listener represents a participant in the distributed model that + * is interested in Endpoint Descriptions. + * + * This white board service can be used in many different scenarios. However, + * the primary use case is to allow a remote manager to be informed of Endpoint + * Descriptions available in the network and inform the network about available + * Endpoint Descriptions. + * + * Both the network bundle and the manager bundle register an Endpoint Listener + * service. The manager informs the network bundle about Endpoints that it + * creates. The network bundles then uses a protocol like SLP to announce these + * local end-points to the network. + * + * If the network bundle discovers a new Endpoint through its discovery + * protocol, then it sends an Endpoint Description to all the Endpoint + * Listener services that are registered (except its own) that have specified an + * interest in that endpoint. + * + * Endpoint Listener services can express their scope with the service + * property {@link #ENDPOINT_LISTENER_SCOPE}. This service property is a list of + * filters. An Endpoint Description should only be given to a Endpoint Listener + * when there is at least one filter that matches the Endpoint Description + * properties. given to it. + * + * This filter model is quite flexible. For example, a discovery bundle is only + * interested in locally originating Endpoint Descriptions. The following filter + * ensure that it only sees local endpoints. + * + * 

+ *   (org.osgi.framework.uuid=72dc5fd9-5f8f-4f8f-9821-9ebb433a5b72)
+ *
+ * + * In the same vein, a manager that is only interested in remote Endpoint + * Descriptions can use a filter like: + * + * 
+ *   (!(org.osgi.framework.uuid=72dc5fd9-5f8f-4f8f-9821-9ebb433a5b72))
+ *
+ * + * Where in both cases, the given UUID is the UUID of the local framework that + * can be found in the Framework properties. + * + * The Endpoint Listener's scope maps very well to the service hooks. A manager + * can just register all filters found from the Listener Hook as its scope. This + * will automatically provide it with all known endpoints that match the given + * scope, without having to inspect the filter string. + * + * In general, when an Endpoint Description is discovered, it should be + * dispatched to all registered Endpoint Listener services. If a new Endpoint + * Listener is registered, it should be informed about all currently known + * Endpoints that match its scope. If a getter of the Endpoint Listener service + * is unregistered, then all its registered Endpoint Description objects must be + * removed. + * + * The Endpoint Listener models a best effort approach. Participating + * bundles should do their utmost to keep the listeners up to date, but + * implementers should realize that many endpoints come through unreliable + * discovery processes. + * + * + * @ThreadSafe + * @version $Revision$ + */ +public interface EndpointListener { + /** + * Specifies the interest of this listener with filters. This listener is + * only interested in Endpoint Descriptions where its properties match the + * given filter. The type of this property must be String+. + */ + String ENDPOINT_LISTENER_SCOPE = "endpoint.listener.scope"; + + /** + * Register an endpoint with this listener. + * + * If the endpoint matches one of the filters registered with the + * {@link #ENDPOINT_LISTENER_SCOPE} service property then this filter should + * be given as the matchedFilter parameter. + * + * When this service is first registered or it is modified, it should + * receive all known endpoints matching the filter. + * + * @param endpoint The Endpoint Description to be published + * @param matchedFilter The filter from the {@link #ENDPOINT_LISTENER_SCOPE} + * that matched the endpoint, must not be null. + */ + void endpointAdded(EndpointDescription endpoint, String matchedFilter); + + /** + * Remove the registration of an endpoint. + * + * If an endpoint that was registered with the + * {@link #endpointAdded(EndpointDescription, String)} method is no longer + * available then this method should be called. This will remove the + * endpoint from the listener. + * + * It is not necessary to remove endpoints when the service is unregistered + * or modified in such a way that not all endpoints match the interest + * filter anymore. + * + * @param endpoint The Endpoint Description that is no longer valid. + * @param matchedFilter The filter from the {@link #ENDPOINT_LISTENER_SCOPE} + * that matched the endpoint, must not be null. + */ + void endpointRemoved(EndpointDescription endpoint, String matchedFilter); +} diff --git a/sca-java-2.x/tags/2.0.1-RC1/modules/node-impl-osgi/src/main/java/org/osgi/service/remoteserviceadmin/EndpointPermission.java b/sca-java-2.x/tags/2.0.1-RC1/modules/node-impl-osgi/src/main/java/org/osgi/service/remoteserviceadmin/EndpointPermission.java new file mode 100644 index 0000000000..433e22e543 --- /dev/null +++ b/sca-java-2.x/tags/2.0.1-RC1/modules/node-impl-osgi/src/main/java/org/osgi/service/remoteserviceadmin/EndpointPermission.java @@ -0,0 +1,693 @@ +/* + * Copyright (c) OSGi Alliance (2000, 2010). All Rights Reserved. + * + * 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 org.osgi.service.remoteserviceadmin; + +import static org.osgi.service.remoteserviceadmin.RemoteConstants.*; + +import java.io.IOException; +import java.io.NotSerializableException; +import java.io.ObjectInputStream; +import java.io.ObjectOutputStream; +import java.io.ObjectStreamField; +import java.security.Permission; +import java.security.PermissionCollection; +import java.util.ArrayList; +import java.util.Collection; +import java.util.Collections; +import java.util.Dictionary; +import java.util.Enumeration; +import java.util.HashMap; +import java.util.Iterator; +import java.util.List; +import java.util.Map; +import java.util.TreeMap; + +import org.osgi.framework.Filter; +import org.osgi.framework.FrameworkUtil; +import org.osgi.framework.InvalidSyntaxException; + +/** + * A bundle's authority to export, import or read an Endpoint. + *
    + *
  • The export action allows a bundle to export a service as an + * Endpoint.
    • + *
  • The import action allows a bundle to import a service from + * an Endpoint.
    • + *
  • The read action allows a bundle to read references to an + * Endpoint.
    • + *
+ * Permission to read an Endpoint is required in order to detect events + * regarding an Endpoint. Untrusted bundles should not be able to detect the + * presence of certain Endpoints unless they have the appropriate + * EndpointPermission to read the specific service. + * + * @ThreadSafe + * @version $Revision$ + */ + +public final class EndpointPermission extends Permission { + static final long serialVersionUID = -7662148639076511574L; + /** + * The action string read. + */ + public final static String READ = "read"; + /** + * The action string import. The import action + * implies the read action. + */ + public final static String IMPORT = "import"; + /** + * The action string export. The export action + * implies the read action. + */ + public final static String EXPORT = "export"; + + private final static int ACTION_READ = 0x00000001; + private final static int ACTION_IMPORT = 0x00000002; + private final static int ACTION_EXPORT = 0x00000004; + private final static int ACTION_ALL = ACTION_EXPORT + | ACTION_IMPORT + | ACTION_READ; + final static int ACTION_NONE = 0; + + /** + * The actions mask. + */ + transient int action_mask; + + /** + * The actions in canonical form. + * + * @serial + */ + private volatile String actions = null; + + /** + * The endpoint used by this EndpointPermission. Must be null if not + * constructed with a endpoint. + */ + transient final EndpointDescription endpoint; + + /** + * This dictionary holds the properties of the permission, used to match a + * filter in implies. + */ + private transient final Dictionary properties; + + /** + * If this EndpointPermission was not constructed with an + * EndpointDescription, this holds a Filter matching object used to evaluate + * the filter in implies or null for wildcard. + */ + transient Filter filter; + + /** + * Create a new EndpointPermission with the specified filter. + * + *

+ * The filter will be evaluated against the endpoint properties of a + * requested EndpointPermission. + * + *

+ * There are three possible actions: read, import + * and export. The read action allows the owner of + * this permission to see the presence of distributed services. The + * import action allows the owner of this permission to import + * an endpoint. The export action allows the owner of this + * permission to export a service. + * + * @param filterString The filter string or "*" to match all + * endpoints. + * @param actions The actions read, import, or + * export. + * @throws IllegalArgumentException If the filter has an invalid syntax or + * the actions are not valid. + */ + public EndpointPermission(String filterString, String actions) { + this(filterString, parseActions(actions)); + } + + /** + * Creates a new requested EndpointPermission object to be used + * by code that must perform checkPermission. + * EndpointPermission objects created with this constructor + * cannot be added to an EndpointPermission permission + * collection. + * + * @param endpoint The requested endpoint. + * @param localFrameworkUUID The UUID of the local framework. This is used + * to support matching the + * {@link RemoteConstants#ENDPOINT_FRAMEWORK_UUID + * endpoint.framework.uuid} endpoint property to the + * <<LOCAL>> value in the filter expression. + * @param actions The actions read, import, or + * export. + * @throws IllegalArgumentException If the endpoint is null or + * the actions are not valid. + */ + public EndpointPermission(EndpointDescription endpoint, + String localFrameworkUUID, String actions) { + super(createName(endpoint)); + setTransients(null, parseActions(actions)); + Map props; + if ((localFrameworkUUID != null) + && localFrameworkUUID.equals(endpoint.getFrameworkUUID())) { + props = new TreeMap(String.CASE_INSENSITIVE_ORDER); + props.putAll(endpoint.getProperties()); + props.put(ENDPOINT_FRAMEWORK_UUID, new String[] { + endpoint.getFrameworkUUID(), "<>"}); + } + else { + props = endpoint.getProperties(); + } + this.endpoint = endpoint; + this.properties = new EndpointDescription.UnmodifiableDictionary( + props); + } + + /** + * Create a permission name from a EndpointDescription. + * + * @param endpoint EndpointDescription to use to create permission name. + * @return permission name. + */ + private static String createName(EndpointDescription endpoint) { + if (endpoint == null) { + throw new IllegalArgumentException("invalid endpoint: null"); + } + StringBuffer sb = new StringBuffer("(" + ENDPOINT_ID + "="); + sb.append(endpoint.getId()); + sb.append(")"); + return sb.toString(); + } + + /** + * Package private constructor used by EndpointPermissionCollection. + * + * @param name class name + * @param mask action mask + */ + EndpointPermission(String name, int mask) { + super(name); + setTransients(parseFilter(name), mask); + this.endpoint = null; + this.properties = null; + } + + /** + * Called by constructors and when deserialized. + * + * @param mask action mask + */ + private void setTransients(Filter f, int mask) { + if ((mask == ACTION_NONE) || ((mask & ACTION_ALL) != mask)) { + throw new IllegalArgumentException("invalid action string"); + } + action_mask = mask; + filter = f; + } + + /** + * Parse action string into action mask. + * + * @param actions Action string. + * @return action mask. + */ + private static int parseActions(String actions) { + boolean seencomma = false; + + int mask = ACTION_NONE; + + if (actions == null) { + return mask; + } + + char[] a = actions.toCharArray(); + + int i = a.length - 1; + if (i < 0) + return mask; + + while (i != -1) { + char c; + + // skip whitespace + while ((i != -1) + && ((c = a[i]) == ' ' || c == '\r' || c == '\n' + || c == '\f' || c == '\t')) + i--; + + // check for the known strings + int matchlen; + + if (i >= 5 && (a[i - 5] == 'i' || a[i - 5] == 'I') + && (a[i - 4] == 'm' || a[i - 4] == 'M') + && (a[i - 3] == 'p' || a[i - 3] == 'P') + && (a[i - 2] == 'o' || a[i - 2] == 'O') + && (a[i - 1] == 'r' || a[i - 1] == 'R') + && (a[i] == 't' || a[i] == 'T')) { + matchlen = 6; + mask |= ACTION_IMPORT | ACTION_READ; + + } + else + if (i >= 5 && (a[i - 5] == 'e' || a[i - 5] == 'E') + && (a[i - 4] == 'x' || a[i - 4] == 'X') + && (a[i - 3] == 'p' || a[i - 3] == 'P') + && (a[i - 2] == 'o' || a[i - 2] == 'O') + && (a[i - 1] == 'r' || a[i - 1] == 'R') + && (a[i] == 't' || a[i] == 'T')) { + matchlen = 6; + mask |= ACTION_EXPORT | ACTION_READ; + + } + else { + if (i >= 3 && (a[i - 3] == 'r' || a[i - 3] == 'R') + && (a[i - 2] == 'e' || a[i - 2] == 'E') + && (a[i - 1] == 'a' || a[i - 1] == 'A') + && (a[i] == 'd' || a[i] == 'D')) { + matchlen = 4; + mask |= ACTION_READ; + + } + else { + // parse error + throw new IllegalArgumentException( + "invalid permission: " + actions); + } + } + + // make sure we didn't just match the tail of a word + // like "ackbarfread". Also, skip to the comma. + seencomma = false; + while (i >= matchlen && !seencomma) { + switch (a[i - matchlen]) { + case ',' : + seencomma = true; + /* FALLTHROUGH */ + case ' ' : + case '\r' : + case '\n' : + case '\f' : + case '\t' : + break; + default : + throw new IllegalArgumentException( + "invalid permission: " + actions); + } + i--; + } + + // point i at the location of the comma minus one (or -1). + i -= matchlen; + } + + if (seencomma) { + throw new IllegalArgumentException("invalid permission: " + actions); + } + + return mask; + } + + /** + * Parse filter string into a Filter object. + * + * @param filterString The filter string to parse. + * @return a Filter for this bundle. + * @throws IllegalArgumentException If the filter syntax is invalid. + */ + private static Filter parseFilter(String filterString) { + if (filterString == null) { + throw new IllegalArgumentException("invalid filter: null"); + } + filterString = filterString.trim(); + if (filterString.equals("*")) { + return null; // wildcard + } + try { + return FrameworkUtil.createFilter(filterString); + } + catch (InvalidSyntaxException e) { + IllegalArgumentException iae = new IllegalArgumentException( + "invalid filter"); + iae.initCause(e); + throw iae; + } + } + + /** + * Determines if a EndpointPermission object "implies" the + * specified permission. + * + * @param p The target permission to check. + * @return true if the specified permission is implied by this + * object; false otherwise. + */ + public boolean implies(Permission p) { + if (!(p instanceof EndpointPermission)) { + return false; + } + EndpointPermission requested = (EndpointPermission) p; + if (endpoint != null) { + return false; + } + // if requested permission has a filter, then it is an invalid argument + if (requested.filter != null) { + return false; + } + return implies0(requested, ACTION_NONE); + } + + /** + * Internal implies method. Used by the implies and the permission + * collection implies methods. + * + * @param requested The requested EndpointPermission which has already be + * validated as a proper argument. The requested EndpointPermission + * must not have a filter expression. + * @param effective The effective actions with which to start. + * @return true if the specified permission is implied by this + * object; false otherwise. + */ + boolean implies0(EndpointPermission requested, int effective) { + /* check actions first - much faster */ + effective |= action_mask; + final int desired = requested.action_mask; + if ((effective & desired) != desired) { + return false; + } + /* if we have no filter */ + Filter f = filter; + if (f == null) { + // it's "*" + return true; + } + return f.matchCase(requested.getProperties()); + } + + /** + * Returns the canonical string representation of the actions. Always + * returns present actions in the following canonical order: + * read, import, export. + * + * @return The canonical string representation of the actions. + */ + public String getActions() { + String result = actions; + if (result == null) { + StringBuffer sb = new StringBuffer(); + boolean comma = false; + + int mask = action_mask; + if ((mask & ACTION_READ) == ACTION_READ) { + sb.append(READ); + comma = true; + } + + if ((mask & ACTION_IMPORT) == ACTION_IMPORT) { + if (comma) + sb.append(','); + sb.append(IMPORT); + } + + if ((mask & ACTION_EXPORT) == ACTION_EXPORT) { + if (comma) + sb.append(','); + sb.append(EXPORT); + } + + actions = result = sb.toString(); + } + + return result; + } + + /** + * Returns a new PermissionCollection object for storing + * EndpointPermission objects. + * + * @return A new PermissionCollection object suitable for + * storing EndpointPermission objects. + */ + public PermissionCollection newPermissionCollection() { + return new EndpointPermissionCollection(); + } + + /** + * Determines the equality of two EndpointPermission objects. + * + * Checks that specified object has the same name, actions and endpoint as + * this EndpointPermission. + * + * @param obj The object to test for equality. + * @return true if obj is a EndpointPermission, and has the + * same name, actions and endpoint as this + * EndpointPermission object; false + * otherwise. + */ + public boolean equals(Object obj) { + if (obj == this) { + return true; + } + + if (!(obj instanceof EndpointPermission)) { + return false; + } + + EndpointPermission ep = (EndpointPermission) obj; + + return (action_mask == ep.action_mask) + && getName().equals(ep.getName()) + && ((endpoint == ep.endpoint) || ((endpoint != null) + && (ep.endpoint != null) && endpoint + .equals(ep.endpoint))); + } + + /** + * Returns the hash code value for this object. + * + * @return Hash code value for this object. + */ + public int hashCode() { + int h = 31 * 17 + getName().hashCode(); + h = 31 * h + getActions().hashCode(); + if (endpoint != null) { + h = 31 * h + endpoint.hashCode(); + } + return h; + } + + /** + * WriteObject is called to save the state of this permission to a stream. + * The actions are serialized, and the superclass takes care of the name. + */ + private synchronized void writeObject(java.io.ObjectOutputStream s) + throws IOException { + if (endpoint != null) { + throw new NotSerializableException("cannot serialize"); + } + // Write out the actions. The superclass takes care of the name + // call getActions to make sure actions field is initialized + if (actions == null) { + getActions(); + } + s.defaultWriteObject(); + } + + /** + * readObject is called to restore the state of this permission from a + * stream. + */ + private synchronized void readObject(java.io.ObjectInputStream s) + throws IOException, ClassNotFoundException { + // Read in the action, then initialize the rest + s.defaultReadObject(); + setTransients(parseFilter(getName()), parseActions(actions)); + } + + /** + * Called by <@link EndpointPermission#implies(Permission)>. + * + * @return a dictionary of properties for this permission. + */ + private Dictionary getProperties() { + return properties; + } +} + +/** + * Stores a set of EndpointPermission permissions. + * + * @see java.security.Permission + * @see java.security.Permissions + * @see java.security.PermissionCollection + */ +final class EndpointPermissionCollection extends PermissionCollection { + static final long serialVersionUID = 662615640374640621L; + /** + * Table of permissions. + * + * @serial + * @GuardedBy this + */ + private Map permissions; + + /** + * Boolean saying if "*" is in the collection. + * + * @serial + * @GuardedBy this + */ + private boolean all_allowed; + + /** + * Creates an empty EndpointPermissions object. + */ + public EndpointPermissionCollection() { + permissions = new HashMap(); + all_allowed = false; + } + + /** + * Adds a permission to this permission collection. + * + * @param permission The Permission object to add. + * @throws IllegalArgumentException If the specified permission is not a + * EndpointPermission object. + * @throws SecurityException If this + * EndpointPermissionCollection object has been marked + * read-only. + */ + public void add(final Permission permission) { + if (!(permission instanceof EndpointPermission)) { + throw new IllegalArgumentException("invalid permission: " + + permission); + } + if (isReadOnly()) { + throw new SecurityException("attempt to add a Permission to a " + + "readonly PermissionCollection"); + } + + final EndpointPermission ep = (EndpointPermission) permission; + if (ep.endpoint != null) { + throw new IllegalArgumentException("cannot add to collection: " + + ep); + } + + final String name = ep.getName(); + synchronized (this) { + /* select the bucket for the permission */ + Map pc = permissions; + final EndpointPermission existing = (EndpointPermission) pc + .get(name); + + if (existing != null) { + final int oldMask = existing.action_mask; + final int newMask = ep.action_mask; + if (oldMask != newMask) { + pc.put(name, + new EndpointPermission(name, oldMask | newMask)); + } + } + else { + pc.put(name, ep); + } + + if (!all_allowed) { + if (name.equals("*")) { + all_allowed = true; + } + } + } + } + + /** + * Determines if a set of permissions implies the permissions expressed in + * permission. + * + * @param permission The Permission object to compare. + * @return true if permission is a proper subset + * of a permission in the set; false otherwise. + */ + public boolean implies(final Permission permission) { + if (!(permission instanceof EndpointPermission)) { + return false; + } + final EndpointPermission requested = (EndpointPermission) permission; + /* if requested permission has a filter, then it is an invalid argument */ + if (requested.filter != null) { + return false; + } + int effective = EndpointPermission.ACTION_NONE; + Collection perms; + synchronized (this) { + final int desired = requested.action_mask; + /* short circuit if the "*" Permission was added */ + if (all_allowed) { + EndpointPermission ep = permissions.get("*"); + if (ep != null) { + effective |= ep.action_mask; + if ((effective & desired) == desired) { + return true; + } + } + } + perms = permissions.values(); + } + + /* iterate one by one over permissions */ + for (Iterator iter = perms.iterator(); iter + .hasNext();) { + if (iter.next().implies0(requested, effective)) { + return true; + } + } + return false; + } + + /** + * Returns an enumeration of all the EndpointPermission objects + * in the container. + * + * @return Enumeration of all the EndpointPermission objects. + */ + public synchronized Enumeration elements() { + List all = new ArrayList(permissions.values()); + return Collections.enumeration(all); + } + + /* serialization logic */ + private static final ObjectStreamField[] serialPersistentFields = { + new ObjectStreamField("permissions", HashMap.class), + new ObjectStreamField("all_allowed", Boolean.TYPE) }; + + private synchronized void writeObject(ObjectOutputStream out) + throws IOException { + ObjectOutputStream.PutField pfields = out.putFields(); + pfields.put("permissions", permissions); + pfields.put("all_allowed", all_allowed); + out.writeFields(); + } + + private synchronized void readObject(java.io.ObjectInputStream in) + throws IOException, ClassNotFoundException { + ObjectInputStream.GetField gfields = in.readFields(); + permissions = (HashMap) gfields.get( + "permissions", new HashMap()); + all_allowed = gfields.get("all_allowed", false); + } +} diff --git a/sca-java-2.x/tags/2.0.1-RC1/modules/node-impl-osgi/src/main/java/org/osgi/service/remoteserviceadmin/ExportReference.java b/sca-java-2.x/tags/2.0.1-RC1/modules/node-impl-osgi/src/main/java/org/osgi/service/remoteserviceadmin/ExportReference.java new file mode 100644 index 0000000000..03b3235c59 --- /dev/null +++ b/sca-java-2.x/tags/2.0.1-RC1/modules/node-impl-osgi/src/main/java/org/osgi/service/remoteserviceadmin/ExportReference.java @@ -0,0 +1,45 @@ +/* + * Copyright (c) OSGi Alliance (2009). All Rights Reserved. + * + * 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 org.osgi.service.remoteserviceadmin; + +import org.osgi.framework.ServiceReference; + +/** + * An Export Reference associates a service with a local endpoint. + * + * The Export Reference can be used to reference an exported service. When the + * service is no longer exported, all methods must return null; + * + * @ThreadSafe + * @version $Revision$ + */ +public interface ExportReference { + /** + * Return the service being exported. + * + * @return The service being exported, must be null when this + * registration is unregistered. + */ + ServiceReference getExportedService(); + + /** + * Return the Endpoint Description that is created for this registration. + * + * @return the local Endpoint Description + */ + EndpointDescription getExportedEndpoint(); +} diff --git a/sca-java-2.x/tags/2.0.1-RC1/modules/node-impl-osgi/src/main/java/org/osgi/service/remoteserviceadmin/ExportRegistration.java b/sca-java-2.x/tags/2.0.1-RC1/modules/node-impl-osgi/src/main/java/org/osgi/service/remoteserviceadmin/ExportRegistration.java new file mode 100644 index 0000000000..e8c6c66cbf --- /dev/null +++ b/sca-java-2.x/tags/2.0.1-RC1/modules/node-impl-osgi/src/main/java/org/osgi/service/remoteserviceadmin/ExportRegistration.java @@ -0,0 +1,71 @@ +/* + * Copyright (c) OSGi Alliance (2009). All Rights Reserved. + * + * 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 org.osgi.service.remoteserviceadmin; + +import org.osgi.framework.ServiceReference; + +/** + * An Export Registration associates a service to a local endpoint. + * + * The Export Registration can be used to delete the endpoint associated with an + * this registration. It is created with the + * {@link RemoteServiceAdmin#exportService(ServiceReference,java.util.Map)} + * method. + * + * When this Export Registration has been unregistered, the methods must all + * return null. + * + * @ThreadSafe + * @version $Revision$ + */ +public interface ExportRegistration { + /** + * Return the Export Reference for the exported service. + * + * @return An Export Reference for this registration + * @throws IllegalStateException Thrown when this object was not properly + * initialized, see {@link #getException()} + */ + ExportReference getExportReference(); + + /** + * Delete the local endpoint and disconnect any remote distribution + * providers. After this method returns, all the methods must return + * null. + * + * This method has no effect when the endpoint is already destroyed or being + * destroyed. + */ + void close(); + + /** + * Exception for any error during the import process. + * + * If the Remote Admin for some reasons is unable to create a registration, + * then it must return a Throwable from this method. In this + * case, all other methods must return on this interface must throw an + * Illegal State Exception. If no error occurred, this method must return + * null. + * + * The error must be set before this Import Registration is returned. + * Asynchronously occurring errors must be reported to the log. + * + * @return The exception that occurred during the creation of the + * registration or null if no exception occurred. + */ + Throwable getException(); +} diff --git a/sca-java-2.x/tags/2.0.1-RC1/modules/node-impl-osgi/src/main/java/org/osgi/service/remoteserviceadmin/ImportReference.java b/sca-java-2.x/tags/2.0.1-RC1/modules/node-impl-osgi/src/main/java/org/osgi/service/remoteserviceadmin/ImportReference.java new file mode 100644 index 0000000000..5fa5673341 --- /dev/null +++ b/sca-java-2.x/tags/2.0.1-RC1/modules/node-impl-osgi/src/main/java/org/osgi/service/remoteserviceadmin/ImportReference.java @@ -0,0 +1,44 @@ +/* + * Copyright (c) OSGi Alliance (2009). All Rights Reserved. + * + * 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 org.osgi.service.remoteserviceadmin; + +import org.osgi.framework.ServiceReference; + +/** + * An Import Reference associates an active proxy service to a remote endpoint. + * + * The Import Reference can be used to reference an imported service. When the + * service is no longer imported, all methods must return null; + * + * @ThreadSafe + * @version $Revision$ + */ +public interface ImportReference { + /** + * Answer the associated Service Reference for the proxy to the endpoint. + * + * @return A Service Reference to the proxy for the endpoint. + */ + ServiceReference getImportedService(); + + /** + * Answer the associated remote Endpoint Description. + * + * @return A Endpoint Description for the remote endpoint. + */ + EndpointDescription getImportedEndpoint(); +} diff --git a/sca-java-2.x/tags/2.0.1-RC1/modules/node-impl-osgi/src/main/java/org/osgi/service/remoteserviceadmin/ImportRegistration.java b/sca-java-2.x/tags/2.0.1-RC1/modules/node-impl-osgi/src/main/java/org/osgi/service/remoteserviceadmin/ImportRegistration.java new file mode 100644 index 0000000000..1fc1c6f6ba --- /dev/null +++ b/sca-java-2.x/tags/2.0.1-RC1/modules/node-impl-osgi/src/main/java/org/osgi/service/remoteserviceadmin/ImportRegistration.java @@ -0,0 +1,67 @@ +/* + * Copyright (c) OSGi Alliance (2009). All Rights Reserved. + * + * 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 org.osgi.service.remoteserviceadmin; + +/** + * An Import Registration associates an active proxy service to a remote + * endpoint. + * + * The Import Registration can be used to delete the proxy associated with an + * endpoint. It is created with the{@link RemoteServiceAdmin#importService} + * method. + * + * @ThreadSafe + * @version $Revision$ + */ +public interface ImportRegistration { + /** + * Answer the associated Export Reference. + * + * @return An Import Reference for this registration + * @throws IllegalStateException Thrown when this object was not properly + * initialized, see {@link #getException()} + */ + ImportReference getImportReference(); + + /** + * Unregister this Import Registration. This must close the connection to + * the end endpoint unregister the proxy. After this method returns, all + * other methods must return null. + * + * This method has no effect when the service is already unregistered or in + * the process off. + */ + void close(); + + /** + * Exception for any error during the import process. + * + * If the Remote Admin for some reasons is unable to create a registration, + * then it must return a Throwable from this method. In this + * case, all other methods must return on this interface must thrown an + * Illegal State Exception. If no error occurred, this method must return + * null. + * + * The error must be set before this Import Registration is returned. + * Asynchronously occurring errors must be reported to the log. + * + * @return The exception that occurred during the creation of the + * registration or null if no exception occurred. + */ + Throwable getException(); + +} diff --git a/sca-java-2.x/tags/2.0.1-RC1/modules/node-impl-osgi/src/main/java/org/osgi/service/remoteserviceadmin/RemoteConstants.java b/sca-java-2.x/tags/2.0.1-RC1/modules/node-impl-osgi/src/main/java/org/osgi/service/remoteserviceadmin/RemoteConstants.java new file mode 100644 index 0000000000..cf2194ec12 --- /dev/null +++ b/sca-java-2.x/tags/2.0.1-RC1/modules/node-impl-osgi/src/main/java/org/osgi/service/remoteserviceadmin/RemoteConstants.java @@ -0,0 +1,216 @@ +/* + * Copyright (c) OSGi Alliance (2009, 2010). All Rights Reserved. + * + * 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 org.osgi.service.remoteserviceadmin; + +/** + * Provide the definition of the constants used in the Remote Services API. + * + * @Immutable + * @version $Revision$ + */ +public class RemoteConstants { + private RemoteConstants() { + } + + /** + * Service property identifying the configuration types supported by a + * distribution provider. Registered by the distribution provider on one of + * its services to indicate the supported configuration types. + *

+ * The value of this property must be of type String, + * String[], or Collection<String>. + */ + public static final String REMOTE_CONFIGS_SUPPORTED = "remote.configs.supported"; + + /** + * Service property identifying the intents supported by a distribution + * provider. Registered by the distribution provider on one of its services + * to indicate the vocabulary of implemented intents. + * + *

+ * The value of this property must be of type String, + * String[], or Collection<String>. + */ + public static final String REMOTE_INTENTS_SUPPORTED = "remote.intents.supported"; + + /** + * Service property identifying the configuration types that should be used + * to export the service. Each configuration type represents the + * configuration parameters for an endpoint. A distribution provider should + * create an endpoint for each configuration type that it supports. + * + *

+ * This property may be supplied in the properties + * Dictionary object passed to the + * BundleContext.registerService method. The value of this + * property must be of type String, String[], or + * Collection<String>. + */ + public static final String SERVICE_EXPORTED_CONFIGS = "service.exported.configs"; + + /** + * Service property identifying the intents that the distribution provider + * must implement to distribute the service. Intents listed in this property + * are reserved for intents that are critical for the code to function + * correctly, for example, ordering of messages. These intents should not be + * configurable. + * + *

+ * This property may be supplied in the properties + * Dictionary object passed to the + * BundleContext.registerService method. The value of this + * property must be of type String, String[], or + * Collection<String>. + */ + public static final String SERVICE_EXPORTED_INTENTS = "service.exported.intents"; + + /** + * Service property identifying the extra intents that the distribution + * provider must implement to distribute the service. This property is + * merged with the service.exported.intents property before the + * distribution provider interprets the listed intents; it has therefore the + * same semantics but the property should be configurable so the + * administrator can choose the intents based on the topology. Bundles + * should therefore make this property configurable, for example through the + * Configuration Admin service. + * + *

+ * This property may be supplied in the properties + * Dictionary object passed to the + * BundleContext.registerService method. The value of this + * property must be of type String, String[], or + * Collection<String>. + */ + public static final String SERVICE_EXPORTED_INTENTS_EXTRA = "service.exported.intents.extra"; + + /** + * Service property marking the service for export. It defines the + * interfaces under which this service can be exported. This list must be a + * subset of the types under which the service was registered. The single + * value of an asterisk ("*", \u002A) indicates all the + * interface types under which the service was registered excluding the + * non-interface types. It is strongly recommended to only export interface + * types and not concrete classes due to the complexity of creating proxies + * for some type of concrete classes. + * + *

+ * This property may be supplied in the properties + * Dictionary object passed to the + * BundleContext.registerService method. The value of this + * property must be of type String, String[], or + * Collection<String>. + */ + public static final String SERVICE_EXPORTED_INTERFACES = "service.exported.interfaces"; + + /** + * Service property identifying the service as imported. This service + * property must be set by a distribution provider to any value when it + * registers the endpoint proxy as an imported service. A bundle can use + * this property to filter out imported services. + * + *

+ * The value of this property may be of any type. + */ + public static final String SERVICE_IMPORTED = "service.imported"; + + /** + * Service property identifying the configuration types used to import the + * service. Any associated properties for this configuration types must be + * properly mapped to the importing system. For example, a URL in these + * properties must point to a valid resource when used in the importing + * framework. If multiple configuration types are listed in this property, + * then they must be synonyms for exactly the same remote endpoint that is + * used to export this service. + * + *

+ * The value of this property must be of type String, + * String[], or Collection<String>. + * + * @see #SERVICE_EXPORTED_CONFIGS + */ + public static final String SERVICE_IMPORTED_CONFIGS = "service.imported.configs"; + + /** + * Service property identifying the intents that this service implement. + * This property has a dual purpose: + *

    + *
  • A bundle can use this service property to notify the distribution + * provider that these intents are already implemented by the exported + * service object.
    • + *
  • A distribution provider must use this property to convey the combined + * intents of: The exporting service, and, the intents that the exporting + * distribution provider adds, and the intents that the importing + * distribution provider adds.
    • + *
+ * To export a service, a distribution provider must expand any qualified + * intents. Both the exporting and importing distribution providers must + * recognize all intents before a service can be distributed. + * + *

+ * The value of this property must be of type String, + * String[], or Collection<String>. + */ + public static final String SERVICE_INTENTS = "service.intents"; + + /* above are from Ch 13 Remote Service spec. */ + + /** + * Endpoint property identifying the id for this endpoint. This service + * property must always be set. + * + *

+ * The value of this property must be of type String. + */ + public final static String ENDPOINT_ID = "endpoint.id"; + + /** + * Endpoint property identifying the service id of the exported service. Can + * be absent or 0 if the corresponding endpoint is not for an OSGi service. + * + *

+ * The value of this property must be of type Long. + */ + public final static String ENDPOINT_SERVICE_ID = "endpoint.service.id"; + + /** + * Endpoint property identifying the universally unique id of the exporting + * framework. Can be absent if the corresponding endpoint is not for an OSGi + * service. + * + *

+ * The value of this property must be of type String. + */ + public final static String ENDPOINT_FRAMEWORK_UUID = "endpoint.framework.uuid"; + + /** + * Prefix for an endpoint property identifying the interface Java package + * version for an interface. For example, the property + * endpoint.package.version.com.acme=1.3 describes the version of the + * package for the com.acme.Foo interface. This endpoint property for an + * interface package does not have to be set. If not set, the value must be + * assumed to be 0. + * + *

+ * Since endpoint properties are stored in a case insensitive map, case + * variants of a package name are folded together. + * + *

+ * The value of this property must be of type String. + */ + public final static String ENDPOINT_PACKAGE_VERSION_ = "endpoint.package.version."; + +} diff --git a/sca-java-2.x/tags/2.0.1-RC1/modules/node-impl-osgi/src/main/java/org/osgi/service/remoteserviceadmin/RemoteServiceAdmin.java b/sca-java-2.x/tags/2.0.1-RC1/modules/node-impl-osgi/src/main/java/org/osgi/service/remoteserviceadmin/RemoteServiceAdmin.java new file mode 100644 index 0000000000..98f56a07ae --- /dev/null +++ b/sca-java-2.x/tags/2.0.1-RC1/modules/node-impl-osgi/src/main/java/org/osgi/service/remoteserviceadmin/RemoteServiceAdmin.java @@ -0,0 +1,124 @@ +/* + * Copyright (c) OSGi Alliance (2009). All Rights Reserved. + * + * 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 org.osgi.service.remoteserviceadmin; + +import java.util.Collection; +import java.util.Map; + +import org.osgi.framework.ServiceReference; + +/** + * A Remote Service Admin manages the import and export of services. + * + * A Distribution Provider can expose a control interface. This interface allows + * the a remote manager to control the export and import of services. + * + * The API allows a remote manager to export a service, to import a service, and + * find out about the current imports and exports. + * + * @ThreadSafe + * @version $Revision$ + */ +public interface RemoteServiceAdmin { + + /** + * Export a service to a given Endpoint. The Remote Service Admin must + * create an Endpoint from the given description that can be used by other + * Distrbution Providers to connect to this Remote Service Admin and use the + * exported service. This method can return null if the service could not be + * exported because the Endpoint could not be implemented by this Remote + * Service Admin. + * + * The properties on a Service Reference are case insensitive while the + * properties on a properties are case sensitive. A value in + * the properties must therefore override any case variant in + * the properties of the Service Reference. + * + *

+ * If the caller does not have the appropriate + * EndpointPermission[endpoint,EXPORT] for an Endpoint, and the + * Java Runtime Environment supports permissions, then the + * {@link ExportRegistration#getException() getException} method on the + * corresponding returned {@link ExportRegistration} will return a + * SecurityException. + * + * @param reference The Service Reference to export. + * @param properties The properties to create a local Endpoint that can be + * implemented by this Remote Service Admin. If this is null, the + * Endpoint will be determined by the properties on the service. The + * properties are the same as given for an exported service. They are + * overlaid over any properties the service defines (case + * insensitive). This parameter can be null, this should + * be treated as an empty map. + * + * @return An Export Registration that combines the Endpoint Description and + * the Service Reference. Is never null. + * @throws IllegalArgumentException If any of the properties has a value + * that is not syntactically correct or if the service properties + * and the overlaid properties do not contain a + * {@link RemoteConstants#SERVICE_EXPORTED_INTERFACES} entry. + * @throws UnsupportedOperationException If any of the intents expressed + * through the properties is not supported by the distribution + * provider. + */ + Collection exportService(ServiceReference reference, + Map properties); + + /** + * Import a service from an Endpoint. The Remote Service Admin must use the + * given Endpoint to create a proxy. This method can return null if the + * service could not be imported. + * + * @param endpoint The Endpoint Description to be used for import. + * @return An Import Registration that combines the Endpoint Description and + * the Service Reference or null if the Endpoint could + * not be imported. + * @throws SecurityException If the caller does not have the appropriate + * EndpointPermission[endpoint,IMPORT] for the + * Endpoint, and the Java Runtime Environment supports permissions. + */ + ImportRegistration importService(EndpointDescription endpoint); + + /** + * Return the currently active Export References. + * + *

+ * If the caller does not have the appropriate + * EndpointPermission[endpoint,READ] for an Endpoint, and the + * Java Runtime Environment supports permissions, then returned collection + * will not contain a reference to the exported Endpoint. + * + * @return A Collection of {@link ExportReference}s that are + * currently active. + */ + Collection getExportedServices(); + + /** + * Return the currently active Import References. + * + *

+ * If the caller does not have the appropriate + * EndpointPermission[endpoint,READ] for an Endpoint, and the + * Java Runtime Environment supports permissions, then returned collection + * will not contain a reference to the imported Endpoint. + * + * @return A Collection of {@link ImportReference}s that are + * currently active. + */ + Collection getImportedEndpoints(); + +} diff --git a/sca-java-2.x/tags/2.0.1-RC1/modules/node-impl-osgi/src/main/java/org/osgi/service/remoteserviceadmin/RemoteServiceAdminEvent.java b/sca-java-2.x/tags/2.0.1-RC1/modules/node-impl-osgi/src/main/java/org/osgi/service/remoteserviceadmin/RemoteServiceAdminEvent.java new file mode 100644 index 0000000000..8f4ac717c8 --- /dev/null +++ b/sca-java-2.x/tags/2.0.1-RC1/modules/node-impl-osgi/src/main/java/org/osgi/service/remoteserviceadmin/RemoteServiceAdminEvent.java @@ -0,0 +1,178 @@ +/* + * Copyright (c) OSGi Alliance (2009). All Rights Reserved. + * + * 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 org.osgi.service.remoteserviceadmin; + +import org.osgi.framework.Bundle; + +/** + * Provides the event information for a Remote Admin event. + * + * @Immutable + * @version $Revision$ + */ +public class RemoteServiceAdminEvent { + /** + * Add an import registration. The Remote Services Admin will call this + * method when it imports a service. When this service is registered, the + * Remote Service Admin must notify the listener of all existing Import + * Registrations. + * + */ + public static final int IMPORT_REGISTRATION = 1; + + /** + * Add an export registration. The Remote Services Admin will call this + * method when it exports a service. When this service is registered, the + * Remote Service Admin must notify the listener of all existing Export + * Registrations. + */ + public static final int EXPORT_REGISTRATION = 2; + + /** + * Remove an export registration. The Remote Services Admin will call this + * method when it removes the export of a service. + * + */ + public static final int EXPORT_UNREGISTRATION = 3; + + /** + * Remove an import registration. The Remote Services Admin will call this + * method when it removes the import of a service. + * + */ + public static final int IMPORT_UNREGISTRATION = 4; + + /** + * A fatal importing error occurred. The Import Registration has been + * closed. + */ + public static final int IMPORT_ERROR = 5; + + /** + * A fatal exporting error occurred. The Export Registration has been + * closed. + */ + public static final int EXPORT_ERROR = 6; + + /** + * A problematic situation occurred, the export is still active. + */ + public static final int EXPORT_WARNING = 7; + /** + * A problematic situation occurred, the import is still active. + */ + public static final int IMPORT_WARNING = 8; + + private final ImportReference importReference; + private final ExportReference exportReference; + private final Throwable exception; + private final int type; + private final Bundle source; + + /** + * Private constructor. + * + * @param type The event type + * @param source The source bundle, must not be null. + * @param importReference The importReference, can be null. + * @param exportReference The exportReference, can be null. + * @param exception Any exceptions encountered, can be null + */ + private RemoteServiceAdminEvent(int type, Bundle source, + ImportReference importReference, ExportReference exportReference, + Throwable exception) { + if (source == null) { + throw new NullPointerException("source must not be null"); + } + this.type = type; + this.source = source; + this.importReference = importReference; + this.exportReference = exportReference; + this.exception = exception; + } + + /** + * Create a Remote Service Admin Event for an export notification. + * + * @param type The event type. + * @param source The source bundle, must not be null. + * @param exportReference The exportReference, can not be null. + * @param exception Any exceptions encountered, can be null. + */ + public RemoteServiceAdminEvent(int type, Bundle source, + ExportReference exportReference, Throwable exception) { + this(type, source, null, exportReference, exception); + } + + /** + * Create a Remote Service Admin Event for an import notification. + * + * @param type The event type. + * @param source The source bundle, must not be null. + * @param importReference The importReference, can not be null. + * @param exception Any exceptions encountered, can be null. + */ + public RemoteServiceAdminEvent(int type, Bundle source, + ImportReference importReference, Throwable exception) { + this(type, source, importReference, null, exception); + } + + /** + * Return the Import Reference for this event. + * + * @return The Import Reference or null. + */ + public ImportReference getImportReference() { + return importReference; + } + + /** + * Return the Export Reference for this event. + * + * @return The Export Reference or null. + */ + public ExportReference getExportReference() { + return exportReference; + } + + /** + * Return the exception for this event. + * + * @return The exception or null. + */ + public Throwable getException() { + return exception; + } + + /** + * Return the type of this event. + * + * @return The type of this event. + */ + public int getType() { + return type; + } + + /** + * Return the bundle source of this event. + * + * @return The bundle source of this event. + */ + public Bundle getSource() { + return source; + } +} diff --git a/sca-java-2.x/tags/2.0.1-RC1/modules/node-impl-osgi/src/main/java/org/osgi/service/remoteserviceadmin/RemoteServiceAdminListener.java b/sca-java-2.x/tags/2.0.1-RC1/modules/node-impl-osgi/src/main/java/org/osgi/service/remoteserviceadmin/RemoteServiceAdminListener.java new file mode 100644 index 0000000000..2941f8b117 --- /dev/null +++ b/sca-java-2.x/tags/2.0.1-RC1/modules/node-impl-osgi/src/main/java/org/osgi/service/remoteserviceadmin/RemoteServiceAdminListener.java @@ -0,0 +1,44 @@ +/* + * Copyright (c) OSGi Alliance (2009). All Rights Reserved. + * + * 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 org.osgi.service.remoteserviceadmin; + +/** + * A {@link RemoteServiceAdminEvent} listener is notified synchronously of any + * export or import registrations and unregistrations. + * + *

+ * If the Java Runtime Environment supports permissions, then filtering is done. + * RemoteServiceAdminEvent objects are only delivered to the + * listener if the bundle which defines the listener object's class has the + * appropriate EndpointPermission[endpoint,READ] for the endpoint + * referenced by the event. + * + * + * @see RemoteServiceAdminEvent + * @ThreadSafe + * @version $Revision$ + */ + +public interface RemoteServiceAdminListener { + /** + * Receive notification of any export or import registrations and + * unregistrations as well as errors and warnings. + * + * @param event The {@link RemoteServiceAdminEvent} object. + */ + void remoteAdminEvent(RemoteServiceAdminEvent event); +} -- cgit v1.2.3