/*
* Copyright 2008-2013 Red Hat, Inc, and 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.torquebox.web.component.processors;
import org.jboss.as.server.deployment.Attachments;
import org.jboss.as.server.deployment.DeploymentPhaseContext;
import org.jboss.as.server.deployment.DeploymentUnit;
import org.jboss.as.server.deployment.DeploymentUnitProcessingException;
import org.jboss.as.server.deployment.DeploymentUnitProcessor;
import org.jboss.as.server.deployment.module.ResourceRoot;
import org.jboss.logging.Logger;
import org.jboss.msc.service.ServiceController.Mode;
import org.jboss.msc.service.ServiceName;
import org.jboss.vfs.VirtualFile;
import org.projectodd.polyglot.core.util.DeploymentUtils;
import org.torquebox.core.app.RubyAppMetaData;
import org.torquebox.core.component.ComponentEval;
import org.torquebox.core.component.processors.ComponentResolverHelper;
import org.torquebox.web.as.WebServices;
import org.torquebox.web.component.RackApplicationComponent;
import org.torquebox.web.rack.RackMetaData;
public class RackApplicationComponentResolverInstaller implements DeploymentUnitProcessor {
@Override
public void deploy(DeploymentPhaseContext phaseContext) throws DeploymentUnitProcessingException {
DeploymentUnit unit = phaseContext.getDeploymentUnit();
if (DeploymentUtils.isUnitRootless( unit )) {
return;
}
ServiceName serviceName = WebServices.rackApplicationComponentResolver(unit);
RubyAppMetaData rubyAppMetaData = unit.getAttachment(RubyAppMetaData.ATTACHMENT_KEY);
RackMetaData rackAppMetaData = unit.getAttachment(RackMetaData.ATTACHMENT_KEY);
if (rubyAppMetaData == null || rackAppMetaData == null) {
return;
}
ResourceRoot resourceRoot = unit.getAttachment(Attachments.DEPLOYMENT_ROOT);
VirtualFile root = resourceRoot.getRoot();
ComponentEval instantiator = new ComponentEval();
try {
String rackUpFile = rackAppMetaData.getRackUpScriptFile(root.getPhysicalFile()).getAbsolutePath();
instantiator.setCode(getCode(rackAppMetaData.getRackUpScript(root.getPhysicalFile()), rackUpFile));
instantiator.setLocation(rackUpFile);
ComponentResolverHelper helper = new ComponentResolverHelper(phaseContext, serviceName);
helper
.initializeInstantiator(instantiator)
.initializeResolver(RackApplicationComponent.class, null, false, false) // Let Rack / Rails handle reloading for the web stack
.installService(Mode.ON_DEMAND);
} catch (Exception e) {
throw new DeploymentUnitProcessingException(e);
}
}
protected String getCode(String rackUpScript, String rackUpFile) {
StringBuilder code = new StringBuilder();
code.append("require %q(rack)\n");
if (rackUpScript != null) {
code.append("rackUpScript = %q(" + rackUpScript + ")\n");
} else {
code.append("rackUpScript = File.read(%q(" + rackUpFile + "))\n");
}
code.append("eval(%Q(Rack::Builder.new{\n");
code.append("#{rackUpScript}");
code.append("\n}.to_app), TOPLEVEL_BINDING, %q(");
code.append(rackUpFile);
code.append("), 0)");
return code.toString();
}
@Override
public void undeploy(DeploymentUnit context) {
}
@SuppressWarnings("unused")
private static final Logger log = Logger.getLogger("org.torquebox.web.component");
}