Struts example source code file (ShowConfigAction.java)

This example Struts source code file (ShowConfigAction.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Java - Struts tags/keywords

actionconfig, bean, exception, inject, inject, javabean, logger, objectfactory, propertydescriptor, propertydescriptor, set, showconfigaction, string, string, unable, unable, util

The Struts ShowConfigAction.java source code

/*
 * $Id: ShowConfigAction.java 651946 2008-04-27 13:41:38Z apetrelli $
 *
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *  http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */

package org.apache.struts2.config_browser;

import java.beans.PropertyDescriptor;
import java.util.Set;
import java.util.TreeSet;

import com.opensymphony.xwork2.ObjectFactory;
import com.opensymphony.xwork2.config.entities.ActionConfig;
import com.opensymphony.xwork2.inject.Inject;
import com.opensymphony.xwork2.util.logging.Logger;
import com.opensymphony.xwork2.util.logging.LoggerFactory;
import com.opensymphony.xwork2.util.reflection.ReflectionProvider;

/**
 * ShowConfigAction
 */
public class ShowConfigAction extends ActionNamesAction {

    private static final long serialVersionUID = -1630527489407671652L;

    private static final PropertyDescriptor[] PDSAT = new PropertyDescriptor[0];

    private String namespace;
    private String actionName;
    private ActionConfig config;
    private Set actionNames;
    private String detailView = "results";
    private PropertyDescriptor[] properties;
    private static Logger LOG = LoggerFactory.getLogger(ShowConfigAction.class);
    
    private ObjectFactory objectFactory;
    private ReflectionProvider reflectionProvider;

    public String getDetailView() {
        return detailView;
    }

    public void setDetailView(String detailView) {
        this.detailView = detailView;
    }

    public Set getActionNames() {
        return actionNames;
    }

    public String getNamespace() {
        return namespace;
    }
    
    @Inject
    public void setObjectFactory(ObjectFactory fac) {
        this.objectFactory = fac;
    }
    
    @Inject
    public void setReflectionProvider(ReflectionProvider prov) {
        this.reflectionProvider = prov;
    }

    public String stripPackage(Class clazz) {
        return clazz.getName().substring(clazz.getName().lastIndexOf('.') + 1);
    }

    public void setNamespace(String namespace) {
        this.namespace = namespace;
    }

    public String getActionName() {
        return actionName;
    }

    public void setActionName(String actionName) {
        this.actionName = actionName;
    }

    public ActionConfig getConfig() {
        return config;
    }

    public PropertyDescriptor[] getProperties() {
        return properties;
    }

    public String execute() throws Exception {
        super.execute();
        config = configHelper.getActionConfig(namespace, actionName);
        actionNames =
                new TreeSet(configHelper.getActionNames(namespace));
        try {
            Class clazz = objectFactory.getClassInstance(getConfig().getClassName());
            properties = reflectionProvider.getPropertyDescriptors(clazz);
        } catch (Exception e) {
            LOG.error("Unable to get properties for action " + actionName, e);
            addActionError("Unable to retrieve action properties: " + e.toString());
        }

        if (hasErrors()) //super might have set some :)
            return ERROR;
        else
            return SUCCESS;
    }
}