解决在JBoss 下不能找到 Action 问题

来源：互联网发布：毕加索知乎编辑：程序博客网时间：2024/05/21 10:56

import java.net.MalformedURLException;
import java.net.URL;
import java.util.ArrayList;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.struts2.convention.PackageBasedActionConfigBuilder;
import com.opensymphony.xwork2.ObjectFactory;
import com.opensymphony.xwork2.config.Configuration;
import com.opensymphony.xwork2.inject.Container;
import com.opensymphony.xwork2.inject.Inject;
import com.opensymphony.xwork2.util.finder.ClassFinder;
import com.opensymphony.xwork2.util.finder.Test;

/**
*
* 解决在JBoss 下不能找到 Action 问题
*
*/

public class MyActionConfigBuilder extends PackageBasedActionConfigBuilder {

    private static Log log = LogFactory.getLog(MyActionConfigBuilder.class);
    private static final String BASE_FILE = "applicationContext.xml";

    private String[] actionPackages;
    private String[] packageLocators;

    public static String classPath="";

    /**
     *
     * @param configuration
     * @param container
     * @param objectFactory
     * @param redirectToSlash
     * @param defaultParentPackage
     */

    @Inject
    public MyActionConfigBuilder(
        Configuration configuration,
        Container container,
        ObjectFactory objectFactory,
        @Inject("struts.convention.redirect.to.slash")
        String redirectToSlash,
        @Inject("struts.convention.default.parent.package")
        String defaultParentPackage) {

        super( configuration, container, objectFactory, redirectToSlash, defaultParentPackage );

    }

    /**
     *
     * @param actionPackages
     *            (Optional) An optional list of action packages that this
     *            should create
     *
     * configuration for.
     *
     */
    @Inject(value = "struts.convention.action.packages", required = false)
    public void setActionPackages(String actionPackages) {
        super.setActionPackages(actionPackages);

        if ( !"".equals( actionPackages.trim() ) ) {
            this.actionPackages = actionPackages.split( "\\s*[,]\\s*" );
        }
    }

    /**
     *
     * @param packageLocators
     *            (Optional) A list of names used to find action packages.
     *
     */

    @Inject(value = "struts.convention.package.locators", required = false)
    public void setPackageLocators(String packageLocators) {
        super.setPackageLocators(packageLocators);
        this.packageLocators = packageLocators.split("\\s*[,]\\s*");
    }

    @Override
    @SuppressWarnings("unchecked")
    protected Set<Class> findActions() {

        Set<Class> classes = new HashSet<Class>();

        try {
//          ClassFinder finder = new ClassFinder(getClassLoaderForFinder(), buildUrls(), true);
            ClassFinder finder = new ClassFinder( getClassLoaderInterface(), buildUrls(), true);

            if (actionPackages != null) {

                for (String packageName : actionPackages) {
                    Test<ClassFinder.ClassInfo> test = getPackageFinderTest(packageName);
                    classes.addAll(finder.findClasses(test));
                }
            }

            // package locators
            if (packageLocators != null) {

                for (String packageLocator : packageLocators) {
                    Test<ClassFinder.ClassInfo> test = getPackageLocatorTest(packageLocator);
                    classes.addAll(finder.findClasses(test));
                }
            }

        } catch (Exception ex) {
            if (log.isErrorEnabled()) {
                log.error("Unable to scan named packages", ex);
            }
        }

        return classes;
    }

    private List<URL> buildUrls() throws MalformedURLException {

        List<URL> urls = new ArrayList<URL>();
        URL classesUrl = getClassLoader().getResource( BASE_FILE );

        if (classesUrl == null) {
            throw new IllegalStateException(
                    "File " + BASE_FILE + " was not found. The folder WEB-INF/classes discovery base on file classes/" + BASE_FILE + ".");
        }

        String baseFilePath = classesUrl.getFile();
        URL url = new URL( "file", "", baseFilePath.substring( 0, baseFilePath.indexOf( BASE_FILE ) ) );

        if (log.isInfoEnabled()) {
        classPath=url.getFile();
            log.info("Struts2 ActionConfigBuilder, classes directory: " + classPath);
        }

        urls.add(url);

        return urls;

    }

    /*private ClassLoader getClassLoader() {

        return Thread.currentThread().getContextClassLoader();

    }*/

}