Dave Hoover
657aafaedb
thing before committing instead of just going "oh yeah, I've been having this stuff sitting around uncommitted for a while waiting on it to be blessed" and missing out on things that'd changed in the meantime. git-svn-id: svn+ssh://src.earth.threerings.net/narya/trunk@5400 542714f4-19e9-0310-aa3c-eee0fc999fb1
706 lines
25 KiB
Java
706 lines
25 KiB
Java
//
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// $Id$
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//
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// Narya library - tools for developing networked games
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// Copyright (C) 2002-2007 Three Rings Design, Inc., All Rights Reserved
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// http://www.threerings.net/code/narya/
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//
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// This library is free software; you can redistribute it and/or modify it
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// under the terms of the GNU Lesser General Public License as published
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// by the Free Software Foundation; either version 2.1 of the License, or
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// (at your option) any later version.
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//
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public
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// License along with this library; if not, write to the Free Software
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// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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package com.threerings.presents.tools;
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import java.lang.reflect.Method;
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import java.lang.reflect.Modifier;
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import java.util.HashSet;
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import java.io.File;
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import java.io.StringWriter;
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import org.apache.velocity.VelocityContext;
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import com.google.common.base.Predicate;
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import com.google.common.collect.Iterables;
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import com.samskivert.util.ComparableArrayList;
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import com.samskivert.util.StringUtil;
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import com.threerings.presents.client.Client;
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import com.threerings.presents.client.InvocationService;
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import com.threerings.presents.data.ClientObject;
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import com.threerings.presents.data.InvocationMarshaller;
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import com.threerings.presents.dobj.InvocationResponseEvent;
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import com.threerings.presents.server.InvocationDispatcher;
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import com.threerings.presents.server.InvocationException;
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import com.threerings.presents.server.InvocationProvider;
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/**
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* An Ant task for generating invocation service marshalling and
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* unmarshalling classes.
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* TODO: when generating the imports for exported action script files, there are just enough
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* conversions of primitive types (e.g. float -> Number), array types (e.g. int[] -> TypedArray)
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* and three rings utility types (e.g. float -> Float) to make the existing serivces work. It
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* should be possible to create a complete list of these conversions so that future services
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* can be generated without problems.
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*/
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public class GenServiceTask extends InvocationTask
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{
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/** Used to keep track of custom InvocationListener derivations. */
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public class ServiceListener implements Comparable<ServiceListener>
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{
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public Class<?> listener;
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public ComparableArrayList<ServiceMethod> methods =
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new ComparableArrayList<ServiceMethod>();
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/** Contains all imports required for the parameters of the methods in this listener. */
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public ImportSet imports = new ImportSet();
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public ServiceListener (Class<?> service, Class<?> listener)
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{
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this.listener = listener;
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Method[] methdecls = listener.getDeclaredMethods();
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for (int ii = 0; ii < methdecls.length; ii++) {
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Method m = methdecls[ii];
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// service interface methods must be public and abstract
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if (!Modifier.isPublic(m.getModifiers()) &&
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!Modifier.isAbstract(m.getModifiers())) {
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continue;
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}
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if (_verbose) {
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System.out.println("Adding " + m + ", imports are " +
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StringUtil.toString(imports));
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}
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methods.add(new ServiceMethod(m, imports));
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if (_verbose) {
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System.out.println("Added " + m + ", imports are " +
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StringUtil.toString(imports));
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}
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}
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methods.sort();
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}
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/**
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* Checks whether any of our methods have parameterized types.
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*/
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public boolean hasParameterizedMethodArgs ()
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{
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return Iterables.any(methods, new Predicate<ServiceMethod>() {
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public boolean apply (ServiceMethod sm) {
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return sm.hasParameterizedArgs();
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}
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});
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}
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public String getName ()
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{
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String name = GenUtil.simpleName(listener);
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name = StringUtil.replace(name, "Listener", "");
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int didx = name.indexOf(".");
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return name.substring(didx+1);
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}
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// from interface Comparable<ServiceListener>
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public int compareTo (ServiceListener other)
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{
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return getName().compareTo(other.getName());
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}
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@Override
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public boolean equals (Object other)
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{
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return getClass().equals(other.getClass()) &&
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listener.equals(((ServiceListener)other).listener);
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}
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@Override
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public int hashCode ()
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{
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return listener.getName().hashCode();
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}
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}
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/** Used to track services for which we should not generate a provider interface. */
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public class Providerless
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{
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public void setService (String className)
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{
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_providerless.add(className);
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}
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}
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/**
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* Configures the path to our ActionScript source files.
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*/
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public void setAsroot (File asroot)
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{
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_asroot = asroot;
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}
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// documentation inherited
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public Providerless createProviderless ()
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{
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return new Providerless();
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}
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// documentation inherited
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@Override
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protected void processService (File source, Class<?> service)
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{
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System.out.println("Processing " + service.getName() + "...");
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// verify that the service class name is as we expect it to be
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if (!service.getName().endsWith("Service")) {
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System.err.println("Cannot process '" + service.getName() + "':");
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System.err.println("Service classes must be named SomethingService.");
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return;
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}
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ServiceDescription desc = new ServiceDescription(service);
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generateMarshaller(source, desc);
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generateDispatcher(source, desc);
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if (!_providerless.contains(service.getSimpleName())) {
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generateProvider(source, desc);
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}
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}
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protected void generateMarshaller (File source, ServiceDescription sdesc)
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{
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if (_verbose) {
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System.out.println("Generating marshaller");
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}
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String sname = sdesc.sname;
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String name = StringUtil.replace(sname, "Service", "");
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String mname = StringUtil.replace(sname, "Service", "Marshaller");
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String mpackage = StringUtil.replace(sdesc.spackage, ".client", ".data");
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// ----------- Part I - java marshaller
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// start with all imports (service methods and listener methods)
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ImportSet imports = sdesc.constructAllImports();
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// import things marshaller will always need
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imports.add(sdesc.service);
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imports.add(Client.class);
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imports.add(InvocationMarshaller.class);
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// if any listeners are to be present, they need the response event
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if (sdesc.listeners.size() > 0) {
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imports.add(InvocationResponseEvent.class);
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}
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// import classes contained in arrays
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imports.translateClassArrays();
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// get rid of java.lang stuff and primitives
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imports.removeGlobals();
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// get rid of all arrays (they are automatic in java)
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imports.removeArrays();
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// for each listener type, also import the corresponding marshaller
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imports.duplicateAndMunge("*Listener",
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"Service", "Marshaller",
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"Listener", "Marshaller",
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".client.", ".data.");
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// import the parent class of Foo$Bar
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imports.swapInnerClassesForParents();
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// remove imports in our own package
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imports.removeSamePackage(mpackage);
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VelocityContext ctx = new VelocityContext();
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ctx.put("name", name);
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ctx.put("package", mpackage);
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ctx.put("methods", sdesc.methods);
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ctx.put("listeners", sdesc.listeners);
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ctx.put("imports", imports.toList());
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// determine the path to our marshaller file
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String mpath = source.getPath();
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mpath = StringUtil.replace(mpath, "Service", "Marshaller");
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mpath = replacePath(mpath, "/client/", "/data/");
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try {
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StringWriter sw = new StringWriter();
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_velocity.mergeTemplate(MARSHALLER_TMPL, "UTF-8", ctx, sw);
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writeFile(mpath, sw.toString());
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} catch (Exception e) {
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System.err.println("Failed processing template");
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e.printStackTrace(System.err);
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}
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// if we're not configured with an ActionScript source root, don't generate the
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// ActionScript versions
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if (_asroot == null) {
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return;
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}
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// ----------- Part II - as marshaller
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// start with the service method imports
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imports = sdesc.imports.clone();
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// add some things that marshallers just need
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imports.add(sdesc.service);
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imports.add(Client.class);
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imports.add(InvocationMarshaller.class);
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// replace inner classes with action script equivalents
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imports.translateInnerClasses();
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// replace primitive types with OOO types (required for unboxing)
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imports.replace("byte", "com.threerings.util.Byte");
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imports.replace("int", "com.threerings.util.Integer");
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imports.replace("boolean", "com.threerings.util.langBoolean");
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imports.replace("[B", "flash.utils.ByteArray");
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imports.replace("float", "com.threerings.util.Float");
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imports.replace("[I", "com.threerings.io.TypedArray");
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// ye olde special case - any method that uses a default listener
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// causes the need for the default listener marshaller
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imports.duplicateAndMunge("*.InvocationService_InvocationListener",
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"InvocationService_InvocationListener",
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"InvocationMarshaller_ListenerMarshaller",
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".client.", ".data.");
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// any use of a listener requires the listener marshaller
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imports.pushOut("*.InvocationService_InvocationListener");
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imports.duplicateAndMunge("*Listener",
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"Service", "Marshaller",
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"Listener", "Marshaller",
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".client.", ".data.");
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imports.popIn();
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// get rid of java.lang stuff and any remaining primitives
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imports.removeGlobals();
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if (imports.removeAll("[L*") > 0) {
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imports.add("com.threerings.io.TypedArray");
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}
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// get rid of remaining arrays
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imports.removeArrays();
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// remove imports in our own package
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imports.removeSamePackage(mpackage);
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ctx.put("imports", imports.toList());
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// now generate ActionScript versions of our marshaller
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try {
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// make sure our marshaller directory exists
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String mppath = mpackage.replace('.', File.separatorChar);
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new File(_asroot + File.separator + mppath).mkdirs();
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// generate an ActionScript version of our marshaller
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String ampath = _asroot + File.separator + mppath +
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File.separator + mname + ".as";
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StringWriter sw = new StringWriter();
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_velocity.mergeTemplate(AS_MARSHALLER_TMPL, "UTF-8", ctx, sw);
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writeFile(ampath, sw.toString());
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// ----------- Part III - as listener marshallers
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Class<?> imlm = InvocationMarshaller.ListenerMarshaller.class;
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// now generate ActionScript versions of our listener marshallers
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// because those have to be in separate files
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for (ServiceListener listener : sdesc.listeners) {
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// start imports with just those used by listener methods
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imports = listener.imports.clone();
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// always need the super class and the listener class
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imports.add(imlm);
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imports.add(listener.listener);
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// replace '$' with '_' for action script naming convention
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imports.translateInnerClasses();
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// convert primitive java types to ooo util types
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imports.replace("long", "com.threerings.util.Long");
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// convert object arrays to typed arrays
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if (imports.removeAll("[L*") > 0) {
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imports.add("com.threerings.io.TypedArray");
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}
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// get rid of remaining primitives and java.lang types
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imports.removeGlobals();
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// remove imports in our own package
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imports.removeSamePackage(mpackage);
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ctx.put("imports", imports.toList());
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ctx.put("listener", listener);
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sw = new StringWriter();
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_velocity.mergeTemplate(
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AS_LISTENER_MARSHALLER_TMPL, "UTF-8", ctx, sw);
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String aslpath = _asroot + File.separator + mppath +
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File.separator + mname + "_" +
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listener.getName() + "Marshaller.as";
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writeFile(aslpath, sw.toString());
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}
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} catch (Exception e) {
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System.err.println("Failed processing template");
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e.printStackTrace(System.err);
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}
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// ----------- Part IV - as service
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// then make some changes to the context and generate ActionScript
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// versions of the service interface itself
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// start with the service methods' imports
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imports = sdesc.imports.clone();
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// add some things required by action script
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imports.add(Client.class);
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imports.add(InvocationService.class);
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// allow primitive types in service methods
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imports.replace("[B", "flash.utils.ByteArray");
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imports.replace("[I", "com.threerings.io.TypedArray");
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// convert java primitive types to ooo util types
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imports.replace("java.lang.Integer", "com.threerings.util.Integer");
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if (imports.removeAll("[L*") > 0) {
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imports.add("com.threerings.io.TypedArray");
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}
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// get rid of primitives and java.lang classes
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imports.removeGlobals();
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// get rid of remaining arrays
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imports.removeArrays();
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// change imports of Foo$Bar to Foo_Bar
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imports.translateInnerClasses();
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// remove imports in our own package
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imports.removeSamePackage(sdesc.spackage);
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ctx.put("imports", imports.toList());
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ctx.put("package", sdesc.spackage);
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try {
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// make sure our service directory exists
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String sppath = sdesc.spackage.replace('.', File.separatorChar);
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new File(_asroot + File.separator + sppath).mkdirs();
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// generate an ActionScript version of our service
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String aspath = _asroot + File.separator + sppath +
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File.separator + sname + ".as";
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StringWriter sw = new StringWriter();
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_velocity.mergeTemplate(AS_SERVICE_TMPL, "UTF-8", ctx, sw);
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writeFile(aspath, sw.toString());
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// ----------- Part V - as service listeners
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Class<?> isil = InvocationService.InvocationListener.class;
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// also generate ActionScript versions of any inner listener
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// interfaces because those have to be in separate files
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for (ServiceListener listener : sdesc.listeners) {
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// start with just the imports needed by listener methods
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imports = listener.imports.clone();
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// add things needed by all listeners
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imports.add(isil);
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imports.add(listener.listener);
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// change Foo$Bar to Foo_Bar
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imports.translateInnerClasses();
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// use a typed array for any arrays of objects
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if (imports.removeAll("[L*") > 0) {
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imports.add("com.threerings.io.TypedArray");
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}
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// convert java primitive types to ooo util types
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imports.replace("long", "com.threerings.util.Long");
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// get rid of remaining primitives and java.lang types
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imports.removeGlobals();
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// remove imports in our own package
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imports.removeSamePackage(sdesc.spackage);
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ctx.put("imports", imports.toList());
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ctx.put("listener", listener);
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sw = new StringWriter();
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_velocity.mergeTemplate(AS_LISTENER_SERVICE_TMPL, "UTF-8", ctx, sw);
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String amlpath = _asroot + File.separator + sppath +
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File.separator + sname + "_" +
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listener.getName() + "Listener.as";
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writeFile(amlpath, sw.toString());
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}
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} catch (Exception e) {
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System.err.println("Failed processing template");
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e.printStackTrace(System.err);
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}
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}
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protected void generateDispatcher (File source, ServiceDescription sdesc)
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{
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if (_verbose) {
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System.out.println("Generating dispatcher");
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}
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String name = StringUtil.replace(sdesc.sname, "Service", "");
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String dpackage = StringUtil.replace(
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sdesc.spackage, ".client", ".server");
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// start with the imports required by service methods
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ImportSet imports = sdesc.imports.clone();
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// If any listeners are to be used in dispatches, we need to import the service
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if (sdesc.listeners.size() > 0) {
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imports.add(sdesc.service);
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}
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// swap Client for ClientObject
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imports.add(ClientObject.class);
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imports.remove(Client.class);
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// add some classes required for all dispatchers
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imports.add(InvocationDispatcher.class);
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imports.add(InvocationException.class);
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// import classes contained in arrays
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imports.translateClassArrays();
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// get rid of primitives and java.lang types
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imports.removeGlobals();
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// get rid of arrays
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imports.removeArrays();
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// import the Marshaller corresponding to the service
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imports.addMunged(sdesc.service,
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"Service", "Marshaller",
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".client.", ".data.");
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// import Foo instead of Foo$Bar
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imports.swapInnerClassesForParents();
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// remove imports in our own package
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imports.removeSamePackage(dpackage);
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VelocityContext ctx = new VelocityContext();
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ctx.put("name", name);
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ctx.put("package", dpackage);
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ctx.put("methods", sdesc.methods);
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ctx.put("imports", imports.toList());
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try {
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StringWriter sw = new StringWriter();
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_velocity.mergeTemplate(DISPATCHER_TMPL, "UTF-8", ctx, sw);
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// determine the path to our marshaller file
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String mpath = source.getPath();
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mpath = StringUtil.replace(mpath, "Service", "Dispatcher");
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mpath = replacePath(mpath, "/client/", "/server/");
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writeFile(mpath, sw.toString());
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} catch (Exception e) {
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System.err.println("Failed processing template");
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e.printStackTrace(System.err);
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}
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}
|
|
|
|
protected void generateProvider (File source, ServiceDescription sdesc)
|
|
{
|
|
if (_verbose) {
|
|
System.out.println("Generating provider");
|
|
}
|
|
|
|
String name = StringUtil.replace(sdesc.sname, "Service", "");
|
|
String mpackage = StringUtil.replace(sdesc.spackage, ".client", ".server");
|
|
|
|
// start with imports required by service methods
|
|
ImportSet imports = sdesc.imports.clone();
|
|
|
|
// swap Client for ClientObject
|
|
imports.add(ClientObject.class);
|
|
imports.remove(Client.class);
|
|
|
|
// import superclass and service
|
|
imports.add(InvocationProvider.class);
|
|
imports.add(sdesc.service);
|
|
|
|
// any method that takes a listener may throw this
|
|
if (sdesc.hasAnyListenerArgs()) {
|
|
imports.add(InvocationException.class);
|
|
}
|
|
|
|
// import classes contained in arrays
|
|
imports.translateClassArrays();
|
|
|
|
// get rid of primitives and java.lang types
|
|
imports.removeGlobals();
|
|
|
|
// get rid of arrays
|
|
imports.removeArrays();
|
|
|
|
// import Foo instead of Foo$Bar
|
|
imports.swapInnerClassesForParents();
|
|
|
|
// remove imports in our own package
|
|
imports.removeSamePackage(mpackage);
|
|
|
|
VelocityContext ctx = new VelocityContext();
|
|
ctx.put("name", name);
|
|
ctx.put("package", mpackage);
|
|
ctx.put("methods", sdesc.methods);
|
|
ctx.put("listeners", sdesc.listeners);
|
|
ctx.put("imports", imports.toList());
|
|
|
|
try {
|
|
StringWriter sw = new StringWriter();
|
|
_velocity.mergeTemplate(PROVIDER_TMPL, "UTF-8", ctx, sw);
|
|
|
|
// determine the path to our provider file
|
|
String mpath = source.getPath();
|
|
mpath = StringUtil.replace(mpath, "Service", "Provider");
|
|
mpath = replacePath(mpath, "/client/", "/server/");
|
|
|
|
writeFile(mpath, sw.toString());
|
|
|
|
} catch (Exception e) {
|
|
System.err.println("Failed processing template");
|
|
e.printStackTrace(System.err);
|
|
}
|
|
}
|
|
|
|
/** Rolls up everything needed for the generate* methods. */
|
|
protected class ServiceDescription
|
|
{
|
|
public Class<?> service;
|
|
public String sname;
|
|
public String spackage;
|
|
public ImportSet imports = new ImportSet();
|
|
public ComparableArrayList<ServiceMethod> methods =
|
|
new ComparableArrayList<ServiceMethod>();
|
|
public ComparableArrayList<ServiceListener> listeners =
|
|
new ComparableArrayList<ServiceListener>();
|
|
|
|
public ServiceDescription (Class<?> serviceClass)
|
|
{
|
|
service = serviceClass;
|
|
sname = service.getSimpleName();
|
|
spackage = service.getPackage().getName();
|
|
|
|
// look through and locate our service methods, also locating any
|
|
// custom InvocationListener derivations along the way
|
|
Method[] methdecls = service.getDeclaredMethods();
|
|
for (int ii = 0; ii < methdecls.length; ii++) {
|
|
Method m = methdecls[ii];
|
|
// service interface methods must be public and abstract
|
|
if (!Modifier.isPublic(m.getModifiers()) &&
|
|
!Modifier.isAbstract(m.getModifiers())) {
|
|
continue;
|
|
}
|
|
// check this method for custom listener declarations
|
|
Class<?>[] args = m.getParameterTypes();
|
|
for (int aa = 0; aa < args.length; aa++) {
|
|
if (_ilistener.isAssignableFrom(args[aa]) &&
|
|
GenUtil.simpleName(args[aa]).startsWith(sname + ".")) {
|
|
checkedAdd(listeners, new ServiceListener(service, args[aa]));
|
|
}
|
|
}
|
|
if (_verbose) {
|
|
System.out.println("Adding " + m + ", imports are " +
|
|
StringUtil.toString(imports));
|
|
}
|
|
methods.add(new ServiceMethod(m, imports));
|
|
if (_verbose) {
|
|
System.out.println("Added " + m + ", imports are " +
|
|
StringUtil.toString(imports));
|
|
}
|
|
}
|
|
listeners.sort();
|
|
methods.sort();
|
|
}
|
|
|
|
/**
|
|
* Checks if any of the service method arguments are listener types.
|
|
*/
|
|
public boolean hasAnyListenerArgs ()
|
|
{
|
|
return Iterables.any(methods, new Predicate<ServiceMethod>() {
|
|
public boolean apply (ServiceMethod sm) {
|
|
return !sm.listenerArgs.isEmpty();
|
|
}
|
|
});
|
|
}
|
|
|
|
/**
|
|
* Constructs a union of the imports of the service methods and all listener methods.
|
|
*/
|
|
public ImportSet constructAllImports ()
|
|
{
|
|
ImportSet allimports = imports.clone();
|
|
for (ServiceListener listener : listeners) {
|
|
allimports.addAll(listener.imports);
|
|
}
|
|
return allimports;
|
|
}
|
|
}
|
|
|
|
/** The path to our ActionScript source files. */
|
|
protected File _asroot;
|
|
|
|
/** Services for which we should not generate provider interfaces. */
|
|
protected HashSet<String> _providerless = new HashSet<String>();
|
|
|
|
/** Specifies the path to the marshaller template. */
|
|
protected static final String MARSHALLER_TMPL =
|
|
"com/threerings/presents/tools/marshaller.tmpl";
|
|
|
|
/** Specifies the path to the dispatcher template. */
|
|
protected static final String DISPATCHER_TMPL =
|
|
"com/threerings/presents/tools/dispatcher.tmpl";
|
|
|
|
/** Specifies the path to the provider template. */
|
|
protected static final String PROVIDER_TMPL =
|
|
"com/threerings/presents/tools/provider.tmpl";
|
|
|
|
/** Specifies the path to the ActionScript service template. */
|
|
protected static final String AS_SERVICE_TMPL =
|
|
"com/threerings/presents/tools/service_as.tmpl";
|
|
|
|
/** Specifies the path to the ActionScript listener service template. */
|
|
protected static final String AS_LISTENER_SERVICE_TMPL =
|
|
"com/threerings/presents/tools/service_listener_as.tmpl";
|
|
|
|
/** Specifies the path to the ActionScript marshaller template. */
|
|
protected static final String AS_MARSHALLER_TMPL =
|
|
"com/threerings/presents/tools/marshaller_as.tmpl";
|
|
|
|
/** Specifies the path to the ActionScript listener marshaller template. */
|
|
protected static final String AS_LISTENER_MARSHALLER_TMPL =
|
|
"com/threerings/presents/tools/marshaller_listener_as.tmpl";
|
|
}
|