org.andromda.timetracker.web.timecardsearch.SearchTimecardsPopulator.java Source code

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Here is the source code for org.andromda.timetracker.web.timecardsearch.SearchTimecardsPopulator.java

Source

// license-header java merge-point
// Generated by andromda-jsf cartridge (flow\ViewPopulator.java.vsl) DO NOT EDIT!
package org.andromda.timetracker.web.timecardsearch;

import java.io.IOException;
import javax.faces.context.FacesContext;
import javax.faces.el.VariableResolver;
import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpSession;
import org.andromda.presentation.gui.AdfFacesContextWrapper;
import org.andromda.presentation.gui.FacesContextUtils;
import org.andromda.presentation.gui.FormPopulator;
import org.andromda.presentation.gui.JsfUtils;
import org.apache.commons.beanutils.PropertyUtils;
import org.apache.myfaces.trinidad.context.RequestContext;

/**
 * This filter handles the population of forms for the <em>Search Timecards</code>
 * view.
 */
public class SearchTimecardsPopulator implements Filter {
    private FilterConfig config;

    /**
     * Initialize the filter
     *
     * @param configIn the configuration
     * @see javax.servlet.Filter#init(FilterConfig)
     */
    public void init(FilterConfig configIn) {
        this.config = configIn;
    }

    /**
     * @see javax.servlet.Filter#doFilter(javax.servlet.ServletRequest,
     *      javax.servlet.ServletResponse, javax.servlet.FilterChain)
     */
    public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain)
            throws IOException, ServletException {
        // - we need to retrieve the faces context differently since we're outside of the
        //   faces servlet
        populateFormAndViewVariables(FacesContextUtils.getFacesContext(request, response), null);
        chain.doFilter(request, response);
    }

    /**
     * @see javax.servlet.Filter#destroy()
     */
    public void destroy() {
        this.config = null;
    }

    /**
     * @param facesContext
     * @param form
     * @throws ServletException
     */
    public static void populateFormAndViewVariables(final FacesContext facesContext, Object form)
            throws ServletException {
        final HttpServletRequest request = (HttpServletRequest) facesContext.getExternalContext().getRequest();
        final HttpSession session = (HttpSession) facesContext.getExternalContext().getSession(true);
        RequestContext adfContext = RequestContext.getCurrentInstance();
        final VariableResolver variableResolver = facesContext.getApplication().getVariableResolver();
        if (form == null) {
            // - first try getting the form from the ADF PageFlowScope
            form = adfContext.getPageFlowScope().get("form");
            // - if the form is null, try getting the current adfContext from the session (and then remove it from the session)
            if (form == null) {
                final AdfFacesContextWrapper contextWrapper = (AdfFacesContextWrapper) session
                        .getAttribute("AndroMDAADFContext");
                adfContext = contextWrapper != null ? contextWrapper.getCurrentInstance() : null;
                form = adfContext != null ? adfContext.getPageFlowScope().get("form") : null;
                if (form == null) {
                    form = session.getAttribute("form");
                    session.removeAttribute("form");
                }
                // - if the form is still null, see if we can get it from a serialized state
                if (form == null) {
                    form = JsfUtils.getSerializedForm(facesContext);
                }
                if (form != null) {
                    // - add the form to the current process scope since it wasn't in the current one to begin with
                    RequestContext.getCurrentInstance().getPageFlowScope().put("form", form);
                }
            } else {
                // - remove the ADF context in the event that its present
                session.removeAttribute("AndroMDAADFContext");
            }
        } else {
            // - since the form argument is not null, set it as the "form" in the PageFlowScope
            //   (to replace the existing "form" attribute)
            adfContext.getPageFlowScope().put("form", form);
        }
        try {
            // - populate the forms
            if (form != null) {
                SearchTimecardsSearchFormImpl searchTimecardsSearchTimecardsSearchForm = (SearchTimecardsSearchFormImpl) variableResolver
                        .resolveVariable(facesContext, "searchTimecardsSearchTimecardsSearchForm");
                // - populate the searchTimecardsSearchTimecardsSearchForm with any parameters from the previous form
                FormPopulator.populateForm(form, searchTimecardsSearchTimecardsSearchForm, false);
                request.setAttribute("searchTimecardsSearchTimecardsSearchForm",
                        searchTimecardsSearchTimecardsSearchForm);
                SearchTimecardsDetailsFormImpl searchTimecardsSearchTimecardsDetailsForm = (SearchTimecardsDetailsFormImpl) variableResolver
                        .resolveVariable(facesContext, "searchTimecardsSearchTimecardsDetailsForm");
                // - populate the searchTimecardsSearchTimecardsDetailsForm with any parameters from the previous form
                FormPopulator.populateForm(form, searchTimecardsSearchTimecardsDetailsForm, false);
                request.setAttribute("searchTimecardsSearchTimecardsDetailsForm",
                        searchTimecardsSearchTimecardsDetailsForm);
            }
            // - serialize the form
            if (form != null) {
                JsfUtils.serializeForm(facesContext, form);
            }
            // - populate the view variables
            if (form != null) {
                final boolean timecardSummariesReadable = PropertyUtils.isReadable(form, "timecardSummaries");
                if (timecardSummariesReadable) {
                    Boolean propertySet = null;
                    final String isSetPropertyName = "timecardSummariesSet";
                    if (PropertyUtils.isReadable(form, isSetPropertyName)) {
                        propertySet = (Boolean) PropertyUtils.getProperty(form, isSetPropertyName);
                    }
                    // - only set the property if its been set, or we can't tell if it has
                    if (propertySet == null || propertySet.booleanValue()) {
                        request.setAttribute("timecardSummaries",
                                PropertyUtils.getProperty(form, "timecardSummaries"));
                    }
                }
                final boolean submitterBackingListReadable = PropertyUtils.isReadable(form, "submitterBackingList");
                if (submitterBackingListReadable) {
                    Object backingList = PropertyUtils.getProperty(form, "submitterBackingList");
                    request.setAttribute("submitterBackingList", backingList);
                }
                final boolean approverBackingListReadable = PropertyUtils.isReadable(form, "approverBackingList");
                if (approverBackingListReadable) {
                    Object backingList = PropertyUtils.getProperty(form, "approverBackingList");
                    request.setAttribute("approverBackingList", backingList);
                }
                final boolean statusBackingListReadable = PropertyUtils.isReadable(form, "statusBackingList");
                if (statusBackingListReadable) {
                    Object backingList = PropertyUtils.getProperty(form, "statusBackingList");
                    request.setAttribute("statusBackingList", backingList);
                }
            }
        } catch (final Throwable throwable) {
            throw new ServletException(throwable);
        }
    }
}