[jboss-remoting-commits] JBoss Remoting SVN: r4797 - in remoting3/trunk/compat/src/main/java: org and 3 other directories.

Author: david.lloyd(a)jboss.com Date: 2009-01-09 15:44:27 -0500 (Fri, 09 Jan 2009) New Revision: 4797 Added: remoting3/trunk/compat/src/main/java/org/ remoting3/trunk/compat/src/main/java/org/jboss/ remoting3/trunk/compat/src/main/java/org/jboss/remoting/ remoting3/trunk/compat/src/main/java/org/jboss/remoting/compat/ remoting3/trunk/compat/src/main/java/org/jboss/remoting/compat/CompatabilityClassResolver.java remoting3/trunk/compat/src/main/java/org/jboss/remoting/compat/CompatabilityInvocationRequest.java remoting3/trunk/compat/src/main/java/org/jboss/remoting/compat/CompatabilityInvocationResponse.java remoting3/trunk/compat/src/main/java/org/jboss/remoting/compat/CompatibilityHome.java remoting3/trunk/compat/src/main/java/org/jboss/remoting/compat/CompatibilityInvokerLocator.java remoting3/trunk/compat/src/main/java/org/jboss/remoting/compat/Request.java remoting3/trunk/compat/src/main/java/org/jboss/remoting/compat/UnwrappingReplyHandler.java remoting3/trunk/compat/src/main/java/org/jboss/remoting/compat/UnwrappingRequestHandler.java remoting3/trunk/compat/src/main/java/org/jboss/remoting/compat/WrappingReplyHandler.java remoting3/trunk/compat/src/main/java/org/jboss/remoting/compat/WrappingRequestHandler.java remoting3/trunk/compat/src/main/java/org/jboss/remoting/compat/package-info.java Log: A start on the basic stuff for compatibility layer Added: remoting3/trunk/compat/src/main/java/org/jboss/remoting/compat/CompatabilityClassResolver.java =================================================================== --- remoting3/trunk/compat/src/main/java/org/jboss/remoting/compat/CompatabilityClassResolver.java (rev 0) +++ remoting3/trunk/compat/src/main/java/org/jboss/remoting/compat/CompatabilityClassResolver.java 2009-01-09 20:44:27 UTC (rev 4797) @@ -0,0 +1,62 @@ +/* + * JBoss, Home of Professional Open Source + * Copyright 2008, JBoss Inc., and individual contributors as indicated + * by the @authors tag. See the copyright.txt in the distribution for a + * full listing of individual contributors. + * + * This is free software; you can redistribute it and/or modify it + * under the terms of the GNU Lesser General Public License as + * published by the Free Software Foundation; either version 2.1 of + * the License, or (at your option) any later version. + * + * This software is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this software; if not, write to the Free + * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA, or see the FSF site: http://www.fsf.org. + */ + +package org.jboss.remoting.compat; + +import org.jboss.marshalling.AbstractClassResolver; +import java.io.IOException; +import java.util.Map; +import java.util.HashMap; +import java.util.Collections; + +/** + * + */ +public abstract class CompatabilityClassResolver extends AbstractClassResolver { + + private static final Map<Class<?>, String> CLASS_WRITE_MAP; + private static final Map<String, Class<?>> CLASS_READ_MAP; + + static { + final Map<Class<?>, String> classWriteMap = new HashMap<Class<?>, String>(); + classWriteMap.put(CompatabilityInvocationRequest.class, "org.jboss.remoting.InvocationRequest"); + classWriteMap.put(CompatabilityInvocationResponse.class, "org.jboss.remoting.InvocationReply"); + classWriteMap.put(CompatibilityInvokerLocator.class, "org.jboss.remoting.InvokerLocator"); + classWriteMap.put(CompatibilityHome.class, "org.jboss.remoting.Home"); + CLASS_WRITE_MAP = Collections.unmodifiableMap(classWriteMap); + final Map<String, Class<?>> classReadMap = new HashMap<String, Class<?>>(); + for (Map.Entry<Class<?>, String> entry : classWriteMap.entrySet()) { + classReadMap.put(entry.getValue(), entry.getKey()); + } + CLASS_READ_MAP = Collections.unmodifiableMap(classReadMap); + } + + public String getClassName(final Class<?> clazz) throws IOException { + final String name = CLASS_WRITE_MAP.get(clazz); + return name == null ? clazz.getName() : name; + } + + protected Class<?> loadClass(final String name) throws ClassNotFoundException { + final Class<?> clazz = CLASS_READ_MAP.get(name); + return clazz == null ? super.loadClass(name) : clazz; + } +} Added: remoting3/trunk/compat/src/main/java/org/jboss/remoting/compat/CompatabilityInvocationRequest.java =================================================================== --- remoting3/trunk/compat/src/main/java/org/jboss/remoting/compat/CompatabilityInvocationRequest.java (rev 0) +++ remoting3/trunk/compat/src/main/java/org/jboss/remoting/compat/CompatabilityInvocationRequest.java 2009-01-09 20:44:27 UTC (rev 4797) @@ -0,0 +1,112 @@ +/* + * JBoss, Home of Professional Open Source + * Copyright 2008, JBoss Inc., and individual contributors as indicated + * by the @authors tag. See the copyright.txt in the distribution for a + * full listing of individual contributors. + * + * This is free software; you can redistribute it and/or modify it + * under the terms of the GNU Lesser General Public License as + * published by the Free Software Foundation; either version 2.1 of + * the License, or (at your option) any later version. + * + * This software is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this software; if not, write to the Free + * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA, or see the FSF site: http://www.fsf.org. + */ + +package org.jboss.remoting.compat; + +import java.io.Serializable; +import java.io.ObjectStreamField; +import java.io.ObjectInputStream; +import java.io.IOException; +import java.io.ObjectOutputStream; +import java.util.Map; + +/** + * + */ +public final class CompatabilityInvocationRequest implements Serializable { + private static final long serialVersionUID = -6719842238864057289L; + + private static final ObjectStreamField[] serialPersistentFields = { + new ObjectStreamField("sessionId", String.class), + new ObjectStreamField("subsystem", String.class), + new ObjectStreamField("arg", Object.class), + new ObjectStreamField("requestPayload", Map.class), + new ObjectStreamField("returnPayload", Map.class), + new ObjectStreamField("locator", CompatibilityInvokerLocator.class), + }; + + private String sessionId; + private String subsystem; + private Object arg; + private Map<Object, Object> requestPayload; + private Map<Object, Object> returnPayload; + + public String getSessionId() { + return sessionId; + } + + public void setSessionId(final String sessionId) { + this.sessionId = sessionId; + } + + public String getSubsystem() { + return subsystem; + } + + public void setSubsystem(final String subsystem) { + this.subsystem = subsystem; + } + + public Object getArg() { + return arg; + } + + public void setArg(final Object arg) { + this.arg = arg; + } + + public Map<Object, Object> getRequestPayload() { + return requestPayload; + } + + public void setRequestPayload(final Map<Object, Object> requestPayload) { + this.requestPayload = requestPayload; + } + + public Map<Object, Object> getReturnPayload() { + return returnPayload; + } + + public void setReturnPayload(final Map<Object, Object> returnPayload) { + this.returnPayload = returnPayload; + } + + @SuppressWarnings({ "unchecked" }) + private void readObject(ObjectInputStream stream) throws IOException, ClassNotFoundException { + final ObjectInputStream.GetField fields = stream.readFields(); + sessionId = (String) fields.get("sessionId", ""); + subsystem = (String) fields.get("subsystem", ""); + arg = fields.get("arg", ""); + requestPayload = (Map<Object, Object>) fields.get("requestPayload", null); + returnPayload = (Map<Object, Object>) fields.get("returnPayload", null); + } + + private void writeObject(ObjectOutputStream stream) throws IOException { + final ObjectOutputStream.PutField fields = stream.putFields(); + fields.put("sessionId", sessionId); + fields.put("subsystem", subsystem); + fields.put("arg", arg); + fields.put("requestPayload", requestPayload); + fields.put("returnPayload", returnPayload); + stream.writeFields(); + } +} Added: remoting3/trunk/compat/src/main/java/org/jboss/remoting/compat/CompatabilityInvocationResponse.java =================================================================== --- remoting3/trunk/compat/src/main/java/org/jboss/remoting/compat/CompatabilityInvocationResponse.java (rev 0) +++ remoting3/trunk/compat/src/main/java/org/jboss/remoting/compat/CompatabilityInvocationResponse.java 2009-01-09 20:44:27 UTC (rev 4797) @@ -0,0 +1,78 @@ +/* + * JBoss, Home of Professional Open Source + * Copyright 2008, JBoss Inc., and individual contributors as indicated + * by the @authors tag. See the copyright.txt in the distribution for a + * full listing of individual contributors. + * + * This is free software; you can redistribute it and/or modify it + * under the terms of the GNU Lesser General Public License as + * published by the Free Software Foundation; either version 2.1 of + * the License, or (at your option) any later version. + * + * This software is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this software; if not, write to the Free + * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA, or see the FSF site: http://www.fsf.org. + */ + +package org.jboss.remoting.compat; + +import java.io.Serializable; +import java.io.ObjectInputStream; +import java.io.IOException; +import java.io.ObjectOutputStream; +import java.util.Map; + +/** + * + */ +public final class CompatabilityInvocationResponse<T> implements Serializable { + private static final long serialVersionUID = 1324503813652865685L; + + private final String sessionId; + private final Object result; + private final boolean isException; + private Map<Object, Object> payload; + + public CompatabilityInvocationResponse(final String sessionId, final Object result, final boolean isException, final Map<Object, Object> payload) { + this.sessionId = sessionId; + this.result = result; + this.isException = isException; + this.payload = payload; + } + + public String getSessionId() { + return sessionId; + } + + public Object getResult() { + return result; + } + + public boolean isException() { + return isException; + } + + public Map<Object, Object> getPayload() { + return payload; + } + + public void setPayload(final Map<Object, Object> payload) { + this.payload = payload; + } + + private void readObject(ObjectInputStream stream) throws IOException, ClassNotFoundException { + final ObjectInputStream.GetField fields = stream.readFields(); + } + + private void writeObject(ObjectOutputStream stream) throws IOException { + final ObjectOutputStream.PutField fields = stream.putFields(); + + stream.writeFields(); + } +} Added: remoting3/trunk/compat/src/main/java/org/jboss/remoting/compat/CompatibilityHome.java =================================================================== --- remoting3/trunk/compat/src/main/java/org/jboss/remoting/compat/CompatibilityHome.java (rev 0) +++ remoting3/trunk/compat/src/main/java/org/jboss/remoting/compat/CompatibilityHome.java 2009-01-09 20:44:27 UTC (rev 4797) @@ -0,0 +1,60 @@ +/* + * JBoss, Home of Professional Open Source + * Copyright 2008, JBoss Inc., and individual contributors as indicated + * by the @authors tag. See the copyright.txt in the distribution for a + * full listing of individual contributors. + * + * This is free software; you can redistribute it and/or modify it + * under the terms of the GNU Lesser General Public License as + * published by the Free Software Foundation; either version 2.1 of + * the License, or (at your option) any later version. + * + * This software is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this software; if not, write to the Free + * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA, or see the FSF site: http://www.fsf.org. + */ + +package org.jboss.remoting.compat; + +import java.io.Serializable; + +/** + * + */ +public final class CompatibilityHome implements Serializable { + + private static final long serialVersionUID = 8267821565540095027L; + + public String host; + public int port; + + public CompatibilityHome() { + } + + public CompatibilityHome(final String host, final int port) { + this.host = host; + this.port = port; + } + + public String getHost() { + return host; + } + + public void setHost(final String host) { + this.host = host; + } + + public int getPort() { + return port; + } + + public void setPort(final int port) { + this.port = port; + } +} Added: remoting3/trunk/compat/src/main/java/org/jboss/remoting/compat/CompatibilityInvokerLocator.java =================================================================== --- remoting3/trunk/compat/src/main/java/org/jboss/remoting/compat/CompatibilityInvokerLocator.java (rev 0) +++ remoting3/trunk/compat/src/main/java/org/jboss/remoting/compat/CompatibilityInvokerLocator.java 2009-01-09 20:44:27 UTC (rev 4797) @@ -0,0 +1,89 @@ +/* + * JBoss, Home of Professional Open Source + * Copyright 2008, JBoss Inc., and individual contributors as indicated + * by the @authors tag. See the copyright.txt in the distribution for a + * full listing of individual contributors. + * + * This is free software; you can redistribute it and/or modify it + * under the terms of the GNU Lesser General Public License as + * published by the Free Software Foundation; either version 2.1 of + * the License, or (at your option) any later version. + * + * This software is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this software; if not, write to the Free + * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA, or see the FSF site: http://www.fsf.org. + */ + +package org.jboss.remoting.compat; + +import java.net.URI; +import java.io.Serializable; +import java.io.ObjectInputStream; +import java.io.IOException; +import java.io.ObjectOutputStream; +import java.io.ObjectStreamField; +import java.util.ArrayList; +import java.util.Map; + +/** + * + */ +public final class CompatibilityInvokerLocator implements Serializable { + + private static final long serialVersionUID = -4977622166779282521L; + + private static final ObjectStreamField[] serialPersistentFields = { + new ObjectStreamField("protocol", String.class), + new ObjectStreamField("host", String.class), + new ObjectStreamField("connectHomes", ArrayList.class), + new ObjectStreamField("homes", ArrayList.class), + new ObjectStreamField("port", int.class), + new ObjectStreamField("path", String.class), + new ObjectStreamField("query", String.class), + new ObjectStreamField("parameters", Map.class), + new ObjectStreamField("uri", String.class), + new ObjectStreamField("originalURL", String.class), + new ObjectStreamField("homeInUse", CompatibilityHome.class), + }; + + private transient URI uri; + + public CompatibilityInvokerLocator() { + } + + public CompatibilityInvokerLocator(final URI uri) { + this.uri = uri; + } + + public URI getUri() { + return uri; + } + + public void setUri(final URI uri) { + this.uri = uri; + } + + private void readObject(ObjectInputStream stream) throws IOException, ClassNotFoundException { + final ObjectInputStream.GetField fields = stream.readFields(); + + } + + private void writeObject(ObjectOutputStream stream) throws IOException { + final ObjectOutputStream.PutField fields = stream.putFields(); + fields.put("protocol", uri.getScheme()); + fields.put("host", uri.getHost()); + fields.put("port", uri.getPort()); + fields.put("path", uri.getPath()); + fields.put("query", uri.getQuery()); + fields.put("uri", uri.toString()); + fields.put("originalURL", uri.toString()); + + stream.writeFields(); + } +} Added: remoting3/trunk/compat/src/main/java/org/jboss/remoting/compat/Request.java =================================================================== --- remoting3/trunk/compat/src/main/java/org/jboss/remoting/compat/Request.java (rev 0) +++ remoting3/trunk/compat/src/main/java/org/jboss/remoting/compat/Request.java 2009-01-09 20:44:27 UTC (rev 4797) @@ -0,0 +1,57 @@ +/* + * JBoss, Home of Professional Open Source + * Copyright 2008, JBoss Inc., and individual contributors as indicated + * by the @authors tag. See the copyright.txt in the distribution for a + * full listing of individual contributors. + * + * This is free software; you can redistribute it and/or modify it + * under the terms of the GNU Lesser General Public License as + * published by the Free Software Foundation; either version 2.1 of + * the License, or (at your option) any later version. + * + * This software is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this software; if not, write to the Free + * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA, or see the FSF site: http://www.fsf.org. + */ + +package org.jboss.remoting.compat; + +import java.util.Map; + +/** + * A request wrapper object, used to issue a Remoting 2.x invocation with a metadata map. + */ +public final class Request<I> { + private I body; + private Map<Object, Object> metadata; + + public Request() { + } + + public Request(final I body, final Map<Object, Object> metadata) { + this.body = body; + this.metadata = metadata; + } + + public I getBody() { + return body; + } + + public void setBody(final I body) { + this.body = body; + } + + public Map<Object, Object> getMetadata() { + return metadata; + } + + public void setMetadata(final Map<Object, Object> metadata) { + this.metadata = metadata; + } +} Added: remoting3/trunk/compat/src/main/java/org/jboss/remoting/compat/UnwrappingReplyHandler.java =================================================================== --- remoting3/trunk/compat/src/main/java/org/jboss/remoting/compat/UnwrappingReplyHandler.java (rev 0) +++ remoting3/trunk/compat/src/main/java/org/jboss/remoting/compat/UnwrappingReplyHandler.java 2009-01-09 20:44:27 UTC (rev 4797) @@ -0,0 +1,63 @@ +/* + * JBoss, Home of Professional Open Source + * Copyright 2008, JBoss Inc., and individual contributors as indicated + * by the @authors tag. See the copyright.txt in the distribution for a + * full listing of individual contributors. + * + * This is free software; you can redistribute it and/or modify it + * under the terms of the GNU Lesser General Public License as + * published by the Free Software Foundation; either version 2.1 of + * the License, or (at your option) any later version. + * + * This software is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this software; if not, write to the Free + * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA, or see the FSF site: http://www.fsf.org. + */ + +package org.jboss.remoting.compat; + +import org.jboss.remoting.spi.ReplyHandler; +import org.jboss.remoting.RemoteExecutionException; +import java.io.IOException; + +/** + * A reply handler which unwraps a Remoting 2-style invocation response to a Remoting 3-style plain object. + */ +public final class UnwrappingReplyHandler implements ReplyHandler { + + private final ReplyHandler replyHandler; + + public UnwrappingReplyHandler(final ReplyHandler replyHandler) { + this.replyHandler = replyHandler; + } + + public void handleReply(final Object reply) throws IOException { + if (reply instanceof CompatabilityInvocationResponse) { + final CompatabilityInvocationResponse response = (CompatabilityInvocationResponse) reply; + if (response.isException()) { + final Object result = response.getResult(); + if (result instanceof Throwable) { + replyHandler.handleException(new RemoteExecutionException("Remote execution failed", (Throwable) result)); + } else { + replyHandler.handleException(new RemoteExecutionException("Remote execution failed: " + result)); + } + } else { + replyHandler.handleReply(response.getPayload()); + } + } + } + + public void handleException(final IOException exception) throws IOException { + replyHandler.handleException(exception); + } + + public void handleCancellation() throws IOException { + replyHandler.handleCancellation(); + } +} Added: remoting3/trunk/compat/src/main/java/org/jboss/remoting/compat/UnwrappingRequestHandler.java =================================================================== --- remoting3/trunk/compat/src/main/java/org/jboss/remoting/compat/UnwrappingRequestHandler.java (rev 0) +++ remoting3/trunk/compat/src/main/java/org/jboss/remoting/compat/UnwrappingRequestHandler.java 2009-01-09 20:44:27 UTC (rev 4797) @@ -0,0 +1,76 @@ +/* + * JBoss, Home of Professional Open Source + * Copyright 2008, JBoss Inc., and individual contributors as indicated + * by the @authors tag. See the copyright.txt in the distribution for a + * full listing of individual contributors. + * + * This is free software; you can redistribute it and/or modify it + * under the terms of the GNU Lesser General Public License as + * published by the Free Software Foundation; either version 2.1 of + * the License, or (at your option) any later version. + * + * This software is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this software; if not, write to the Free + * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA, or see the FSF site: http://www.fsf.org. + */ + +package org.jboss.remoting.compat; + +import org.jboss.remoting.spi.AbstractAutoCloseable; +import org.jboss.remoting.spi.RequestHandler; +import org.jboss.remoting.spi.RemoteRequestContext; +import org.jboss.remoting.spi.ReplyHandler; +import org.jboss.remoting.spi.SpiUtils; +import org.jboss.remoting.RemoteRequestException; +import org.jboss.xnio.log.Logger; +import java.util.concurrent.Executor; +import java.util.Map; +import java.io.IOException; + +/** + * A request handler which unwraps a Remoting 2-style invocation request to a Remoting 3-style plain object + * or {@link org.jboss.remoting.compat.Request} instance. + */ +public final class UnwrappingRequestHandler extends AbstractAutoCloseable<RequestHandler> implements RequestHandler { + + private static final Logger log = Logger.getLogger("org.jboss.remoting.compat"); + + private final RequestHandler next; + + /** + * Basic constructor. + * + * @param executor the executor used to execute the close notification handlers + * @param next + */ + protected UnwrappingRequestHandler(final Executor executor, final RequestHandler next) { + super(executor); + this.next = next; + } + + public RemoteRequestContext receiveRequest(final Object request, final ReplyHandler replyHandler) { + if (request instanceof CompatabilityInvocationRequest) { + final CompatabilityInvocationRequest invocationRequest = (CompatabilityInvocationRequest) request; + final Map<Object,Object> map = invocationRequest.getRequestPayload(); + if (map == null) { + return next.receiveRequest(invocationRequest.getArg(), new WrappingReplyHandler(replyHandler)); + } + return null; + } else { + final RemoteRequestException nex = new RemoteRequestException("Expected a Remoting-2 InvocationRequest instance"); + try { + replyHandler.handleException(nex); + } catch (IOException e) { + log.error(e, "Failed to forward an exception to the requesting party"); + log.error(nex, "The original exception follows"); + } + return SpiUtils.getBlankRemoteRequestContext(); + } + } +} Added: remoting3/trunk/compat/src/main/java/org/jboss/remoting/compat/WrappingReplyHandler.java =================================================================== --- remoting3/trunk/compat/src/main/java/org/jboss/remoting/compat/WrappingReplyHandler.java (rev 0) +++ remoting3/trunk/compat/src/main/java/org/jboss/remoting/compat/WrappingReplyHandler.java 2009-01-09 20:44:27 UTC (rev 4797) @@ -0,0 +1,50 @@ +/* + * JBoss, Home of Professional Open Source + * Copyright 2008, JBoss Inc., and individual contributors as indicated + * by the @authors tag. See the copyright.txt in the distribution for a + * full listing of individual contributors. + * + * This is free software; you can redistribute it and/or modify it + * under the terms of the GNU Lesser General Public License as + * published by the Free Software Foundation; either version 2.1 of + * the License, or (at your option) any later version. + * + * This software is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this software; if not, write to the Free + * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA, or see the FSF site: http://www.fsf.org. + */ + +package org.jboss.remoting.compat; + +import org.jboss.remoting.spi.ReplyHandler; +import java.io.IOException; + +/** + * A request handler which wraps a Remoting 3-style reply with a Remoting 2-style invocation response. + */ +public final class WrappingReplyHandler implements ReplyHandler { + + private final ReplyHandler replyHandler; + + public WrappingReplyHandler(final ReplyHandler replyHandler) { + this.replyHandler = replyHandler; + } + + public void handleReply(final Object reply) throws IOException { + replyHandler.handleReply(new CompatabilityInvocationResponse(null, reply, false, null)); + } + + public void handleException(final IOException exception) throws IOException { + replyHandler.handleReply(new CompatabilityInvocationResponse(null, exception, true, null)); + } + + public void handleCancellation() throws IOException { + replyHandler.handleCancellation(); + } +} Added: remoting3/trunk/compat/src/main/java/org/jboss/remoting/compat/WrappingRequestHandler.java =================================================================== --- remoting3/trunk/compat/src/main/java/org/jboss/remoting/compat/WrappingRequestHandler.java (rev 0) +++ remoting3/trunk/compat/src/main/java/org/jboss/remoting/compat/WrappingRequestHandler.java 2009-01-09 20:44:27 UTC (rev 4797) @@ -0,0 +1,57 @@ +/* + * JBoss, Home of Professional Open Source + * Copyright 2008, JBoss Inc., and individual contributors as indicated + * by the @authors tag. See the copyright.txt in the distribution for a + * full listing of individual contributors. + * + * This is free software; you can redistribute it and/or modify it + * under the terms of the GNU Lesser General Public License as + * published by the Free Software Foundation; either version 2.1 of + * the License, or (at your option) any later version. + * + * This software is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this software; if not, write to the Free + * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA, or see the FSF site: http://www.fsf.org. + */ + +package org.jboss.remoting.compat; + +import org.jboss.remoting.spi.RequestHandler; +import org.jboss.remoting.spi.RemoteRequestContext; +import org.jboss.remoting.spi.ReplyHandler; +import org.jboss.remoting.spi.AbstractAutoCloseable; +import java.util.concurrent.Executor; + +/** + * A request handler which wraps a Remoting 3-style plain request (or an instance of {@link org.jboss.remoting.compat.Request Request} + * with a Remoting 2-style invocation request. + */ +public final class WrappingRequestHandler extends AbstractAutoCloseable<RequestHandler> implements RequestHandler { + + private final RequestHandler next; + + public WrappingRequestHandler(final RequestHandler next, final Executor executor) { + super(executor); + this.next = next; + } + + public RemoteRequestContext receiveRequest(final Object obj, final ReplyHandler replyHandler) { + final CompatabilityInvocationRequest cir = new CompatabilityInvocationRequest(); + if (obj instanceof Request) { + final Request request = (Request) obj; + cir.setArg(request.getBody()); + // wtf? + //noinspection unchecked + cir.setRequestPayload(request.getMetadata()); + } else { + cir.setArg(obj); + } + return next.receiveRequest(cir, new UnwrappingReplyHandler(replyHandler)); + } +} Added: remoting3/trunk/compat/src/main/java/org/jboss/remoting/compat/package-info.java =================================================================== --- remoting3/trunk/compat/src/main/java/org/jboss/remoting/compat/package-info.java (rev 0) +++ remoting3/trunk/compat/src/main/java/org/jboss/remoting/compat/package-info.java 2009-01-09 20:44:27 UTC (rev 4797) @@ -0,0 +1,26 @@ +/* + * JBoss, Home of Professional Open Source + * Copyright 2008, JBoss Inc., and individual contributors as indicated + * by the @authors tag. See the copyright.txt in the distribution for a + * full listing of individual contributors. + * + * This is free software; you can redistribute it and/or modify it + * under the terms of the GNU Lesser General Public License as + * published by the Free Software Foundation; either version 2.1 of + * the License, or (at your option) any later version. + * + * This software is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this software; if not, write to the Free + * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA, or see the FSF site: http://www.fsf.org. + */ + +/** + * Classes that represent the Remoting 3 end of a relationship with a legacy Remoting 2 service or client. + */ +package org.jboss.remoting.compat; \ No newline at end of file