BriefcaseBean.java :  » J2EE » fleXive » com » flexive » war » beans » admin » briefcase » Java Open Source

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package com.flexive.war.beans.admin.briefcase;

import com.flexive.faces.FxJsfUtils;
import com.flexive.faces.beans.ResultSessionData;
import com.flexive.faces.messages.FxFacesMsgErr;
import com.flexive.faces.messages.FxFacesMsgInfo;
import com.flexive.shared.EJBLookup;
import com.flexive.shared.exceptions.FxApplicationException;
import com.flexive.shared.interfaces.BriefcaseEngine;
import com.flexive.shared.interfaces.SearchEngine;
import com.flexive.shared.search.AdminResultLocations;
import com.flexive.shared.search.Briefcase;
import com.flexive.shared.search.BriefcaseEdit;
import com.flexive.shared.search.FxResultSet;

import java.util.ArrayList;
import java.util.List;

/**
 * Management of Briefcases.
 *
 * @author Gregor Schober (gregor.schober@flexive.com), UCS - unique computing solutions gmbh (http://www.ucs.at)
 * @version $Rev: 1 $
 */
public class BriefcaseBean {

    private BriefcaseEngine briefcaseEng;
    private List<Briefcase> list;
    private FxResultSet queryResult;
    private SearchEngine sqlSearchInterface;
    //    private static final String ID_CACHE_KEY = BriefcaseBean.class+"_id";
    //    private long id;
    private BriefcaseEdit briefcase;
    private long aclId;
    private ResultSessionData sessionData;

    public BriefcaseBean() {
        briefcaseEng = EJBLookup.getBriefcaseEngine();
        briefcase = new BriefcaseEdit();
    }

    /**
     * Retrives all briefcases for the user.
     *
     * @return all briefcases.
     */
    public List<Briefcase> getList() {
        try {
            if (list == null) {
                // Load only once per request
                list = briefcaseEng.getList(true);
            }
            return list;
        } catch (Throwable t) {
            new FxFacesMsgErr(t).addToContext();
            return new ArrayList<Briefcase>(0);
        }
    }

    public FxResultSet getQueryResult() {
        return queryResult;
    }

    public Briefcase getBriefcase() throws FxApplicationException {
        if (briefcase != null && briefcase.getId() != getId() && getId() != -1) {
            // autodetect new ID
            load();
        }
        return briefcase;
    }


    public long getAclId() {
        return aclId;
    }

    public void setAclId(long aclId) {
        this.aclId = aclId;
        if (briefcase != null) briefcase.setAcl(aclId);
    }

    public String save() {
        try {
            briefcaseEng.modify(getId(), briefcase.getName(), briefcase.getDescription(), briefcase.getAcl());
            new FxFacesMsgInfo("Briefcase.nfo.updateSuccessfull", briefcase.getName()).addToContext();
        } catch (Exception exc) {
            new FxFacesMsgErr(exc).addToContext();
        }
        return load();
    }

    public String load() {
        try {
            briefcase = briefcaseEng.load(getId()).asEditable();
            aclId = briefcase.getAcl();
            if (sqlSearchInterface == null) {
                sqlSearchInterface = EJBLookup.getSearchEngine();
            }
            String sSql = "select m.id,m.version from content m filter briefcase=" + getId();
            queryResult = sqlSearchInterface.search(sSql, 1, null, null);
            return "briefcaseDetail";
        } catch (Exception exc) {
            queryResult = null;
            new FxFacesMsgErr(exc).addToContext();
            return "briefcaseNotLoaded";
        }
    }

    public long getId() {
        return getSessionData().getBriefcaseId();
        /*if (this.id<=0) {
            Object value = FxJsfUtils.getSessionAttribute(ID_CACHE_KEY);
            this.id = value==null?-1:(Long)value;
        }
        return id;*/
    }

    public ResultSessionData getSessionData() {
        if (sessionData == null) {
            // TODO: use own briefcase location
            sessionData = ResultSessionData.getSessionData(FxJsfUtils.getSession(), AdminResultLocations.ADMIN);
        }
        return sessionData;
    }

    public void setId(long briefcaseId) {
        getSessionData().setBriefcaseId(briefcaseId);
        /*this.id= briefcaseId;
        FxJsfUtils.setSessionAttribute(ID_CACHE_KEY,id);*/
    }

    /**
     * Returns true if there are no briefcases to display.
     *
     * @return true if there are no briefcases to display
     */
    public boolean getListIsEmpty() {
        return getList().size() == 0;
    }

    /**
     * Returns the briefcase specified by the property id.
     *
     * @return the next page to render
     */
    public String delete() {
        try {
            long _id = getId();
            String name = briefcaseEng.load(_id).getName();
            briefcaseEng.remove(_id);
            new FxFacesMsgInfo("Briefcase.nfo.deleteSuccessfull", name).addToContext();
        } catch (Throwable t) {
            new FxFacesMsgErr(t).addToContext();
        }
        return "briefcaseNotLoaded";
    }

}