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/*
* Copyright 2003-2005 Sun Microsystems, Inc. All Rights Reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Sun designates this
* particular file as subject to the "Classpath" exception as provided
* by Sun in the LICENSE file that accompanied this code.
*
* This code 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 General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
* CA 95054 USA or visit www.sun.com if you need additional information or
* have any questions.
*/
package sun.rmi.rmic.newrmic.jrmp;
import com.sun.javadoc.ClassDoc;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.OutputStreamWriter;
import java.util.Collections;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Map;
import java.util.Set;
import sun.rmi.rmic.newrmic.BatchEnvironment;
import sun.rmi.rmic.newrmic.Generator;
import sun.rmi.rmic.newrmic.IndentingWriter;
import sun.rmi.rmic.newrmic.Main;
import sun.rmi.rmic.newrmic.Resources;
import static sun.rmi.rmic.newrmic.jrmp.Constants.*;
/**
* JRMP rmic back end; generates source code for JRMP stub and
* skeleton classes.
*
* WARNING: The contents of this source file are not part of any
* supported API. Code that depends on them does so at its own risk:
* they are subject to change or removal without notice.
*
* @author Peter Jones
**/
public class JrmpGenerator implements Generator {
private static final Map<String,StubVersion> versionOptions =
new HashMap<String,StubVersion>();
static {
versionOptions.put("-v1.1", StubVersion.V1_1);
versionOptions.put("-vcompat", StubVersion.VCOMPAT);
versionOptions.put("-v1.2", StubVersion.V1_2);
}
private static final Set<String> bootstrapClassNames =
new HashSet<String>();
static {
bootstrapClassNames.add("java.lang.Exception");
bootstrapClassNames.add("java.rmi.Remote");
bootstrapClassNames.add("java.rmi.RemoteException");
bootstrapClassNames.add("java.lang.RuntimeException");
};
/** version of the JRMP stub protocol to generate code for */
private StubVersion version = StubVersion.V1_2; // default is -v1.2
/**
* Creates a new JrmpGenerator.
**/
public JrmpGenerator() { }
/**
* The JRMP generator recognizes command line options for
* selecting the JRMP stub protocol version to generate classes
* for. Only one such option is allowed.
**/
public boolean parseArgs(String[] args, Main main) {
String explicitVersion = null;
for (int i = 0; i < args.length; i++) {
String arg = args[i];
if (versionOptions.containsKey(arg)) {
if (explicitVersion != null && !explicitVersion.equals(arg)) {
main.error("rmic.cannot.use.both", explicitVersion, arg);
return false;
}
explicitVersion = arg;
version = versionOptions.get(arg);
args[i] = null;
}
}
return true;
}
/**
* The JRMP generator does not require an environment class more
* specific than BatchEnvironment.
**/
public Class<? extends BatchEnvironment> envClass() {
return BatchEnvironment.class;
}
public Set<String> bootstrapClassNames() {
return Collections.unmodifiableSet(bootstrapClassNames);
}
/**
* Generates the source file(s) for the JRMP stub class and
* (optionally) skeleton class for the specified remote
* implementation class.
**/
public void generate(BatchEnvironment env,
ClassDoc inputClass,
File destDir)
{
RemoteClass remoteClass = RemoteClass.forClass(env, inputClass);
if (remoteClass == null) {
return; // an error must have occurred
}
StubSkeletonWriter writer =
new StubSkeletonWriter(env, remoteClass, version);
File stubFile = sourceFileForClass(writer.stubClassName(), destDir);
try {
IndentingWriter out = new IndentingWriter(
new OutputStreamWriter(new FileOutputStream(stubFile)));
writer.writeStub(out);
out.close();
if (env.verbose()) {
env.output(Resources.getText("rmic.wrote",
stubFile.getPath()));
}
env.addGeneratedFile(stubFile);
} catch (IOException e) {
env.error("rmic.cant.write", stubFile.toString());
return;
}
File skeletonFile =
sourceFileForClass(writer.skeletonClassName(), destDir);
if (version == StubVersion.V1_1 ||
version == StubVersion.VCOMPAT)
{
try {
IndentingWriter out = new IndentingWriter(
new OutputStreamWriter(
new FileOutputStream(skeletonFile)));
writer.writeSkeleton(out);
out.close();
if (env.verbose()) {
env.output(Resources.getText("rmic.wrote",
skeletonFile.getPath()));
}
env.addGeneratedFile(skeletonFile);
} catch (IOException e) {
env.error("rmic.cant.write", skeletonFile.toString());
return;
}
} else {
/*
* If skeleton files are not being generated for this run,
* delete old skeleton source or class files for this
* remote implementation class that were (presumably) left
* over from previous runs, to avoid user confusion from
* extraneous or inconsistent generated files.
*/
File skeletonClassFile =
classFileForClass(writer.skeletonClassName(), destDir);
skeletonFile.delete(); // ignore failures (no big deal)
skeletonClassFile.delete();
}
}
/**
* Returns the File object to be used as the source file for a
* class with the specified binary name, with the specified
* destination directory as the top of the package hierarchy.
**/
private File sourceFileForClass(String binaryName, File destDir) {
return fileForClass(binaryName, destDir, ".java");
}
/**
* Returns the File object to be used as the class file for a
* class with the specified binary name, with the supplied
* destination directory as the top of the package hierarchy.
**/
private File classFileForClass(String binaryName, File destDir) {
return fileForClass(binaryName, destDir, ".class");
}
private File fileForClass(String binaryName, File destDir, String ext) {
int i = binaryName.lastIndexOf('.');
String classFileName = binaryName.substring(i + 1) + ext;
if (i != -1) {
String packageName = binaryName.substring(0, i);
String packagePath = packageName.replace('.', File.separatorChar);
File packageDir = new File(destDir, packagePath);
/*
* Make sure that the directory for this package exists.
* We assume that the caller has verified that the top-
* level destination directory exists, so we need not
* worry about creating it unintentionally.
*/
if (!packageDir.exists()) {
packageDir.mkdirs();
}
return new File(packageDir, classFileName);
} else {
return new File(destDir, classFileName);
}
}
}
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