Package org.jboss.as.web

Source Code of org.jboss.as.web.WebVirtualHostService

/*
* JBoss, Home of Professional Open Source.
* Copyright 2010, Red Hat, Inc., and individual contributors
* as indicated by the @author tags. See the copyright.txt file 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.as.web;

import org.apache.catalina.Host;
import org.apache.catalina.Valve;
import org.apache.catalina.core.StandardHost;
import org.apache.catalina.valves.AccessLogValve;
import org.jboss.dmr.ModelNode;
import org.jboss.msc.service.Service;
import org.jboss.msc.service.StartContext;
import org.jboss.msc.service.StartException;
import org.jboss.msc.service.StopContext;
import org.jboss.msc.value.InjectedValue;
import org.jboss.web.rewrite.RewriteValve;

/**
* Service creating and registering a virtual host.
*
* @author Emanuel Muckenhuber
*/
class WebVirtualHostService implements Service<Host> {

    private final String name;
    private final String[] aliases;
    private ModelNode accessLog;
    private ModelNode rewrite;

    private final InjectedValue<String> tempPathInjector = new InjectedValue<String>();
    private final InjectedValue<String> accessLogPathInjector = new InjectedValue<String>();
    private final InjectedValue<WebServer> webServer = new InjectedValue<WebServer>();

    private Host host;

    public WebVirtualHostService(String name, String[] aliases) {
        this.name = name;
        this.aliases = aliases;
    }

    /** {@inheritDoc} */
    public synchronized void start(StartContext context) throws StartException {
        final StandardHost host = new StandardHost();
        host.setAppBase(tempPathInjector.getValue());
        host.setName(name);
        for(final String alias : aliases) {
            host.addAlias(alias);
        }
        if(accessLog != null) {
            host.addValve(createAccessLogValve(accessLogPathInjector.getValue(), accessLog));
        }
        if(rewrite != null) {
            host.addValve(createRewriteValve(rewrite));
        }
        try {
            final WebServer server = webServer.getValue();
            server.addHost(host);
        } catch(Exception e) {
            throw new StartException(e);
        }
        this.host = host;
    }

    /** {@inheritDoc} */
    public synchronized void stop(StopContext context) {
        final Host host = this.host;
        this.host = null;
        final WebServer server = webServer.getValue();
        server.removeHost(host);
    }

    /** {@inheritDoc} */
    public synchronized Host getValue() throws IllegalStateException {
        final Host host = this.host;
        if(host == null) {
            throw new IllegalStateException();
        }
        return host;
    }

    void setAccessLog(final ModelNode accessLog) {
        this.accessLog = accessLog;
    }

    void setRewrite(ModelNode rewrite) {
        this.rewrite = rewrite;
    }

    InjectedValue<String> getAccessLogPathInjector() {
        return accessLogPathInjector;
    }

    InjectedValue<String> getTempPathInjector() {
        return tempPathInjector;
    }

    InjectedValue<WebServer> getWebServer() {
        return webServer;
    }

    static Valve createAccessLogValve(final String logDirectory, final ModelNode element) {
        final AccessLogValve log = new AccessLogValve();
        log.setDirectory(logDirectory);
        log.setResolveHosts(element.get(Constants.RESOLVE_HOSTS).asBoolean());
        log.setRotatable(element.get(Constants.ROTATE).asBoolean());
        log.setPattern(element.get(Constants.PATTERN).asString());
        log.setPrefix(element.get(Constants.PREFIX).asString());
        // TODO extended?
        return log;
    }

    static Valve createRewriteValve(final ModelNode element) {
        final RewriteValve rewrite = new RewriteValve();
        // TODO
        return rewrite;
    }

}
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