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JRuby container and deployer for GlassFish v3
/*
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
*
* Copyright 2008 Sun Microsystems, Inc. All rights reserved.
*
* The contents of this file are subject to the terms of either the GNU
* General Public License Version 2 only ("GPL") or the Common Development
* and Distribution License("CDDL") (collectively, the "License"). You
* may not use this file except in compliance with the License. You can obtain
* a copy of the License at https://glassfish.dev.java.net/public/CDDL+GPL.html
* or glassfish/bootstrap/legal/LICENSE.txt. See the License for the specific
* language governing permissions and limitations under the License.
*
* When distributing the software, include this License Header Notice in each
* file and include the License file at glassfish/bootstrap/legal/LICENSE.txt.
* Sun designates this particular file as subject to the "Classpath" exception
* as provided by Sun in the GPL Version 2 section of the License file that
* accompanied this code. If applicable, add the following below the License
* Header, with the fields enclosed by brackets [] replaced by your own
* identifying information: "Portions Copyrighted [year]
* [name of copyright owner]"
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* If you wish your version of this file to be governed by only the CDDL or
* only the GPL Version 2, indicate your decision by adding "[Contributor]
* elects to include this software in this distribution under the [CDDL or GPL
* Version 2] license." If you don't indicate a single choice of license, a
* recipient has the option to distribute your version of this file under
* either the CDDL, the GPL Version 2 or to extend the choice of license to
* its licensees as provided above. However, if you add GPL Version 2 code
* and therefore, elected the GPL Version 2 license, then the option applies
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*/
package org.glassfish.scripting.rails;
import org.glassfish.api.admin.ParameterNames;
import org.glassfish.api.admin.ServerEnvironment;
import org.glassfish.api.container.EndpointRegistrationException;
import org.glassfish.api.container.RequestDispatcher;
import org.glassfish.api.deployment.Deployer;
import org.glassfish.api.deployment.DeploymentContext;
import org.glassfish.api.deployment.MetaData;
import org.jvnet.hk2.annotations.Inject;
import org.jvnet.hk2.annotations.Service;
import java.util.logging.Level;
import java.util.logging.Logger;
import java.util.Properties;
import java.io.File;
import com.sun.enterprise.module.bootstrap.StartupContext;
/**
* Deployer for Rails applications
*
* @author Jerome Dochez
* @author Vivek Pandey
*/
@Service
public class RailsDeployer implements Deployer {
@Inject
ServerEnvironment env;
@Inject
RequestDispatcher dispatcher;
private JRubyEnvironment jrubyEnv;
private Logger logger;
public boolean prepare(DeploymentContext context) {
return true;
}
/**
* Loads the meta date associated with the application.
*
* @parameters type type of metadata that this deployer has declared providing.
*/
public T loadMetaData(Class type, DeploymentContext context) {
return null;
}
/**
* Returns the meta data assocated with this Deployer
*
* @return the meta data for this Deployer
*/
public MetaData getMetaData() {
return new MetaData(false, null, null);
}
public RailsApplication load(RailsContainer container, DeploymentContext context) {
String contextRoot = getContextRoot(context);
String railsRoot = context.getSourceDir().getAbsolutePath();
this.logger = context.getLogger();
this.jrubyEnv = new JRubyEnvironment(env.getStartupContext(), context.getProps());
RailsApplication railsApplication = new RailsApplication(jrubyEnv, railsRoot, context.getLogger(), contextRoot);
context.getLogger().info(Messages.format(Messages.INFO_LOADING_APP,
context.getCommandParameters().getProperty(ParameterNames.NAME),
contextRoot));
try {
//Apparently grizzly can not register adapters at '/' but it can at "", related to issue#6609
if(contextRoot.equals("/"))
contextRoot = "";
dispatcher.registerEndpoint(contextRoot, railsApplication.getAdapter(), railsApplication);
} catch (EndpointRegistrationException e) {
context.getLogger().log(Level.SEVERE,
Messages.format(Messages.ERR_REGISTRY_RAILSAPP,
context.getCommandParameters().getProperty(ParameterNames.NAME)), e);
}
return railsApplication;
}
public void unload(RailsApplication container, DeploymentContext context) {
try {
dispatcher.unregisterEndpoint(container.getContextRoot());
} catch (EndpointRegistrationException e) {
context.getLogger().log(Level.SEVERE,
Messages.format(Messages.ERR_UNLOAD_APP, container.getContextRoot()), e);
}
}
public void clean(DeploymentContext context) {
}
private String getContextRoot(DeploymentContext context) {
String contextRoot = context.getCommandParameters().getProperty(ParameterNames.CONTEXT_ROOT);
if (contextRoot == null) {
contextRoot = (String) env.getStartupContext().getArguments().get("--contextroot");
}
if (contextRoot == null || contextRoot.length() == 0) {
contextRoot = "/" + context.getCommandParameters().getProperty(ParameterNames.NAME);
}
return contextRoot;
}
public final class JRubyEnvironment {
final String jrubyHome = System.getProperty("jruby.home");
private final String jrubyMinRuntime = System.getProperty("jruby.runtime.min");
private final String jrubyMaxRuntime = System.getProperty("jruby.runtime.max");
final int numberOfRuntime;
final String jrubyLib;
final int minRuntime;
final int maxRuntime;
final File rootDir;
private static final String JRUBY_RUNTIME = "jruby-runtime";
private static final String JRUBY_RUNTIME_MIN = "jruby-runtime-min";
private static final String JRUBY_RUNTIME_MAX = "jruby-runtime-max";
private static final String RAILS_ENV = "rails-env";
private final String jrubyRuntime = System.getProperty("jruby.runtime");
final String railsEnv;
public JRubyEnvironment(StartupContext startupContext, Properties props) {
if (jrubyHome == null) {
logger.severe(Messages.format(Messages.ERR_JRUBYHOME_NULL));
throw new IllegalArgumentException(Messages.format(Messages.ERR_JRUBYHOME_NULL));
}
if(System.getenv("RAILS_ENV") != null){
this.railsEnv = System.getenv("RAILS_ENV");
props.put(RAILS_ENV, this.railsEnv);
}else{
this.railsEnv = (props.getProperty(RAILS_ENV)==null)?"development":props.getProperty(RAILS_ENV);
}
this.rootDir = startupContext.getRootDirectory();
int numRt = (props.getProperty(JRUBY_RUNTIME) == null)?1:Integer.valueOf(props.getProperty(JRUBY_RUNTIME));
int numMinRt = (props.getProperty(JRUBY_RUNTIME_MIN) == null)?-1:Integer.valueOf(props.getProperty(JRUBY_RUNTIME_MIN));
int numMaxRt = (props.getProperty(JRUBY_RUNTIME_MAX) == null)?-1:Integer.valueOf(props.getProperty(JRUBY_RUNTIME_MAX));
if (jrubyRuntime != null) {
try {
numRt = Integer.parseInt(jrubyRuntime);
props.setProperty(JRUBY_RUNTIME, String.valueOf(numRt));
} catch (NumberFormatException ex) {
logger.log(Level.WARNING, Messages.format(Messages.ERR_INVALID_RUNTIMES, jrubyRuntime), ex);
}
}
if (jrubyMinRuntime != null) {
try {
numMinRt = Integer.parseInt(jrubyMinRuntime);
props.setProperty(JRUBY_RUNTIME_MIN, String.valueOf(numMinRt));
} catch (NumberFormatException ex) {
logger.log(Level.WARNING, Messages.format(Messages.ERR_INVALID_RUNTIMES_MIN, jrubyMinRuntime), ex);
}
}
if (jrubyMaxRuntime != null) {
try {
numMaxRt = Integer.parseInt(jrubyMaxRuntime);
props.setProperty(JRUBY_RUNTIME_MAX, String.valueOf(numMaxRt));
} catch (NumberFormatException ex) {
logger.log(Level.WARNING, Messages.format(Messages.ERR_INVALID_RUNTIMES_MAX, jrubyMaxRuntime), ex);
}
}
minRuntime = numMinRt;
maxRuntime = numMaxRt;
//check the commandline, above whatever we do is for legacy
if(startupContext.getArguments().get("--runtimes") != null){
String nrt = (String) startupContext.getArguments().get("--runtimes");
try {
numRt = Integer.parseInt(nrt);
props.put(JRUBY_RUNTIME, numRt);
} catch (NumberFormatException ex) {
logger.log(Level.WARNING, Messages.format(Messages.ERR_INVALID_RUNTIMES, nrt));
}
}
numberOfRuntime = numRt;
jrubyLib = jrubyHome + "/lib";
}
}
}
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