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Diffstat (limited to 'branches/sca-java-1.x/modules/policy-security-http/src/main/java/org/apache/tuscany/sca/policy/security/http/extensibility/DefaultLDAPSecurityExtensionPoint.java')
-rw-r--r-- | branches/sca-java-1.x/modules/policy-security-http/src/main/java/org/apache/tuscany/sca/policy/security/http/extensibility/DefaultLDAPSecurityExtensionPoint.java | 134 |
1 files changed, 134 insertions, 0 deletions
diff --git a/branches/sca-java-1.x/modules/policy-security-http/src/main/java/org/apache/tuscany/sca/policy/security/http/extensibility/DefaultLDAPSecurityExtensionPoint.java b/branches/sca-java-1.x/modules/policy-security-http/src/main/java/org/apache/tuscany/sca/policy/security/http/extensibility/DefaultLDAPSecurityExtensionPoint.java new file mode 100644 index 0000000000..3417bd4936 --- /dev/null +++ b/branches/sca-java-1.x/modules/policy-security-http/src/main/java/org/apache/tuscany/sca/policy/security/http/extensibility/DefaultLDAPSecurityExtensionPoint.java @@ -0,0 +1,134 @@ +/* + * 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.tuscany.sca.policy.security.http.extensibility; + +import java.io.IOException; +import java.util.ArrayList; +import java.util.List; +import java.util.Set; + +import org.apache.tuscany.sca.assembly.builder.impl.ProblemImpl; +import org.apache.tuscany.sca.core.ExtensionPointRegistry; +import org.apache.tuscany.sca.core.UtilityExtensionPoint; +import org.apache.tuscany.sca.extensibility.ServiceDeclaration; +import org.apache.tuscany.sca.extensibility.ServiceDiscovery; +import org.apache.tuscany.sca.monitor.Monitor; +import org.apache.tuscany.sca.monitor.MonitorFactory; +import org.apache.tuscany.sca.monitor.Problem; +import org.apache.tuscany.sca.monitor.Problem.Severity; + + +/** + * Default Extension point for LDAP Security Handlers + * + * @version $Rev$ $Date$ + */ + +public class DefaultLDAPSecurityExtensionPoint implements LDAPSecurityHandlerExtensionPoint { + private List<LDAPSecurityHandler> securityHandlers = new ArrayList<LDAPSecurityHandler>(); + + private ExtensionPointRegistry extensionPoints; + private Monitor monitor = null; + + private boolean loaded = false; + + public DefaultLDAPSecurityExtensionPoint(ExtensionPointRegistry extensionPoints) { + this.extensionPoints = extensionPoints; + + UtilityExtensionPoint utilities = extensionPoints.getExtensionPoint(UtilityExtensionPoint.class); + MonitorFactory monitorFactory = utilities.getUtility(MonitorFactory.class); + if (monitorFactory != null) { + this.monitor = monitorFactory.createMonitor(); + } + } + + + public void addLDAPSecurityHandler(LDAPSecurityHandler securityHandler) { + securityHandlers.add(securityHandler); + } + + public void removeLDAPSecurityHandler(LDAPSecurityHandler securityHandler) { + securityHandlers.remove(securityHandler); + } + + public List<LDAPSecurityHandler> getLDAPSecurityHandlers() { + loadHandlers(); + return securityHandlers; + } + + + /** + * Private Utility methods + */ + + /** + * Report a exception. + * + * @param problems + * @param message + * @param model + */ + private void error(String message, Object model, Exception ex) { + if (monitor != null) { + Problem problem = new ProblemImpl(this.getClass().getName(), null, Severity.ERROR, model, message, ex); + monitor.problem(problem); + } + } + + /** + * Lazily load artifact processors registered in the extension point. + */ + @SuppressWarnings("unchecked") + private synchronized void loadHandlers() { + if (loaded) { + return; + } + + // Get the proxy factories declarations + Set<ServiceDeclaration> handlerDeclarations = null; + try { + handlerDeclarations = ServiceDiscovery.getInstance().getServiceDeclarations(LDAPSecurityHandler.class); + } catch (IOException e) { + IllegalStateException ie = new IllegalStateException(e); + error("IllegalStateException", handlerDeclarations, ie); + throw ie; + } + + for (ServiceDeclaration processorDeclaration : handlerDeclarations) { + // Create a factory, and register it + LDAPSecurityHandler securityHandler = null; + try { + Class<LDAPSecurityHandler> securityHandlerClass = (Class<LDAPSecurityHandler>) processorDeclaration.loadClass(); + + securityHandler = securityHandlerClass.newInstance(); + + } catch (Exception e) { + IllegalStateException ie = new IllegalStateException(e); + error("IllegalStateException", securityHandler, ie); + throw ie; + } + + addLDAPSecurityHandler(securityHandler); + } + + loaded = true; + } + +} |