From 3ac2d800d840f03618fc364090d786effde84b1f Mon Sep 17 00:00:00 2001 From: lresende Date: Wed, 11 Nov 2009 23:13:16 +0000 Subject: Moving 1.x branches git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@835142 13f79535-47bb-0310-9956-ffa450edef68 --- .../NotificationReferenceBindingInvoker.java | 126 +++++++++++++++++++++ 1 file changed, 126 insertions(+) create mode 100644 sca-java-1.x/branches/sca-java-20080910/modules/binding-notification/src/main/java/org/apache/tuscany/sca/binding/notification/NotificationReferenceBindingInvoker.java (limited to 'sca-java-1.x/branches/sca-java-20080910/modules/binding-notification/src/main/java/org/apache/tuscany/sca/binding/notification/NotificationReferenceBindingInvoker.java') diff --git a/sca-java-1.x/branches/sca-java-20080910/modules/binding-notification/src/main/java/org/apache/tuscany/sca/binding/notification/NotificationReferenceBindingInvoker.java b/sca-java-1.x/branches/sca-java-20080910/modules/binding-notification/src/main/java/org/apache/tuscany/sca/binding/notification/NotificationReferenceBindingInvoker.java new file mode 100644 index 0000000000..8980fa26ff --- /dev/null +++ b/sca-java-1.x/branches/sca-java-20080910/modules/binding-notification/src/main/java/org/apache/tuscany/sca/binding/notification/NotificationReferenceBindingInvoker.java @@ -0,0 +1,126 @@ +/* + * 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.binding.notification; + +import java.io.OutputStream; +import java.util.HashMap; + +import org.apache.axiom.om.OMElement; +import org.apache.tuscany.sca.binding.notification.NotificationReferenceBindingProvider.SubscriberInfo; +import org.apache.tuscany.sca.binding.notification.encoding.Constants; +import org.apache.tuscany.sca.binding.notification.util.IOUtils; +import org.apache.tuscany.sca.binding.notification.util.IOUtils.IOUtilsException; +import org.apache.tuscany.sca.binding.notification.util.IOUtils.Writeable; +import org.apache.tuscany.sca.implementation.notification.ImmutableMessage; +import org.apache.tuscany.sca.interfacedef.Operation; +import org.apache.tuscany.sca.invocation.Invoker; +import org.apache.tuscany.sca.invocation.Message; + +/** + * Turns invoke into remote message fan-out + * + * @version $Rev$ $Date$ + */ +public class NotificationReferenceBindingInvoker implements Invoker { + + private static final Message RESPONSE = new ImmutableMessage(); + private Operation operation; + + private NotificationReferenceBindingProvider notificationReferenceBindingProvider; + + public NotificationReferenceBindingInvoker(Operation operation, + NotificationReferenceBindingProvider notificationReferenceBindingProvider) { + this.operation = operation; + this.notificationReferenceBindingProvider = notificationReferenceBindingProvider; + } + + public Message invoke(Message msg) { + Object payload = msg.getBody(); + if (payload == null) { + throw new RuntimeException("Message body is null"); + } + Writeable writeable = null; + String incomingBrokerID = null; + if (payload.getClass().isArray()) { + Object[] bodyArray = (Object[])payload; + if (bodyArray.length == 3) { + writeable = getWriteableFromByteArray((byte[])bodyArray[1]); + incomingBrokerID = (String)bodyArray[2]; + } else if (bodyArray.length == 1) { + writeable = getWriteableFromPayload(bodyArray[0]); + } else { + throw new RuntimeException("Invalid body array size"); + } + } else { + writeable = getWriteableFromPayload(payload); + } + + try { + for (SubscriberInfo subscriber : notificationReferenceBindingProvider.getSubscribers()) { + // check for each subscriber's broker id and skip if equal + if (incomingBrokerID != null && subscriber.brokerID != null && incomingBrokerID.equals(subscriber.brokerID)) { + continue; + } + HashMap headers = new HashMap(); + headers.put(IOUtils.Notification_Operation, operation.getName()); + String brokerID = notificationReferenceBindingProvider.getBrokerID(); + if (brokerID != null) { + headers.put(Constants.Broker_ID, brokerID); + } + IOUtils.sendHttpRequest(subscriber.address, headers, writeable, null); + } + } catch(Exception e) { + e.printStackTrace(); + throw new RuntimeException("Sender caught exception", e); + } + return RESPONSE; + } + + private Writeable getWriteableFromPayload(Object payload) throws RuntimeException { + if (!(payload instanceof OMElement)) { + throw new RuntimeException("payload not OMElement"); + } + final OMElement element = (OMElement)payload; + Writeable writeable = new Writeable() { + public void write(OutputStream os) throws IOUtilsException { + try { + element.serialize(os); + os.flush(); + } catch(Exception e) { + throw new IOUtilsException(e); + } + } + }; + return writeable; + } + + private Writeable getWriteableFromByteArray(final byte[] payload) { + Writeable writeable = new Writeable() { + public void write(OutputStream os) throws IOUtilsException { + try { + os.write(payload); + os.flush(); + } catch(Exception e) { + throw new IOUtilsException(e); + } + } + }; + return writeable; + } +} -- cgit v1.2.3