page_field.java

java 写的一个新闻发布系统

                        }

                        thePage.commitChanges (true);
                        break;

                    case JahiaPage.TYPE_LINK :
                        if (engineMap.get("createPage_" + theField.getDefinition().getName()) != null) {
                            JahiaBaseACL fieldAcl3 = new JahiaBaseACL(theField.getAclID());
                            ServicesRegistry.getInstance().getJahiaFieldService().deleteField(theField.getID(), jParams);
                            theField.setValue("<jahia_linkonly>");
                            theField.setAclID(0);
                            theField.setObject("createFieldWithCurrentID");
                            ServicesRegistry.getInstance().getJahiaFieldService().saveField(theField,fieldAcl3.getParentID(),jParams);

                            thePage = ServicesRegistry.getInstance().getJahiaPageService().
                                createPage   (pageBean.getSiteID(),
                                            pageBean.getParentID(),
                                            pageBean.getPageType(),
                                            pageBean.getTitle(),
                                            pageBean.getPageTemplateID(),
                                            pageBean.getRemoteURL(),
                                            pageBean.getPageLinkID(),
                                            pageBean.getCreator(),
                                            theField.getAclID(),
                                            jParams);
                        }
                        else
                        {
                            thePage.setPageLinkID (pageBean.getPageLinkID());
                        }

                        break;

                    case JahiaPage.TYPE_URL :
                        if (engineMap.get("createPage_" + theField.getDefinition().getName()) != null) {
                            JahiaBaseACL fieldAcl3 = new JahiaBaseACL(theField.getAclID());
                            ServicesRegistry.getInstance().getJahiaFieldService().deleteField(theField.getID(), jParams);
                            theField.setValue("<jahia_linkonly>");
                            theField.setAclID(0);
                            theField.setObject("createFieldWithCurrentID");
                            ServicesRegistry.getInstance().getJahiaFieldService().saveField(theField,fieldAcl3.getParentID(),jParams);

                            thePage = ServicesRegistry.getInstance().getJahiaPageService().
                                createPage   (pageBean.getSiteID(),
                                            pageBean.getParentID(),
                                            pageBean.getPageType(),
                                            pageBean.getTitle(),
                                            pageBean.getPageTemplateID(),
                                            pageBean.getRemoteURL(),
                                            pageBean.getPageLinkID(),
                                            pageBean.getCreator(),
                                            theField.getAclID(),
                                            jParams);
                        }
                        else
                        {
                            thePage.setRemoteURL (pageBean.getRemoteURL());
                        }


                        break;
                }
                //thePage.commitChanges ();
            }

            if (thePage != null) {
                if (engineMap.get("createPage_" + theField.getDefinition().getName()) != null) {
                    //toDebug("########### title:#"+thePage.getTitle().trim()+"#length: "+thePage.getTitle().trim().length());

                        if (thePage.getTitle().trim().equals("") ) {
                            thePage.setTitle( "Undefined Page " + nextUndefined() );
                        }
                        theField.setValue( Integer.toString(thePage.getID()) );

                    //toDebug("####### save field "+theField.getDefinition().getName()+" - set fieldvalue to: "+thePage.getID());
                    // 0 for parentAclID in saveField, because field already exists
                    //  -> field already has an aclID
                    //  -> no need to create a new one
                    ServicesRegistry.getInstance().getJahiaFieldService().saveField( theField, 0, jParams );
                    //System.out.println("%%%%%% fieldValue saved: "+theField.getValue());
                    //toDebug("############# Page_Field :: flagsave : "+ flagsave);
                    if (!flagsave)
                    {
                        //toDebug("############# Page_Field :: delete field content : ");
                        JahiaBaseACL fieldAcl = new JahiaBaseACL(theField.getAclID());
                        ServicesRegistry.getInstance().getJahiaFieldService().deleteField(theField.getID(), jParams);
                        theField.setValue("<jahia_linkonly>");

                        theField.setAclID(0);
                        theField.setObject("createFieldWithCurrentID");
                        ServicesRegistry.getInstance().getJahiaFieldService().saveField(theField,fieldAcl.getParentID(),jParams);
                    }
                }
                return true;
            } else {
                return false;
            }
        } else {
            JahiaException je =new JahiaException( "Can't find edited page info", "Can't find edited page info",
                            JahiaException.DATA_ERROR, JahiaException.ERROR );
            return false;
        }
        } // end else
    } // end saveData



    /***
        * composes page object
        *
        * @param        jParams             a ParamBean object
        * @param        engineMap           the engine hashmap
        * @param        theField            the field we are working on
        * @return       the page object
        *
        */
    private JahiaPageEngineTempBean composePage( ParamBean jParams, HashMap engineMap, JahiaField theField )
        throws JahiaException
    {
        JahiaPageEngineTempBean thePage = null;

        // this is for creating a NEW page...

        boolean gotvalidbean = false;
        if (theField.getObject() instanceof String) {
            String testString = (String) theField.getObject();
            if( testString.equals("new page") ) {
                gotvalidbean = true;
            }
        }

        //if the field has already been updated, keep the current PageBean
        if ( (engineMap.get("updateField" + theField.getDefinition().getName()) != null) && (engineMap.get("updateField" + theField.getDefinition().getName()).equals("true")) )
        {
            gotvalidbean = true;
        }


        // We're NOT updating an existing Page, and we have NOT created a Bean yet...
        if(theField.getObject() == null)
        {
            JahiaConsole.println(CLASS_NAME + ".composePage",
                            "NEW PageBean...(theField.getObject() was null)");

            thePage = new JahiaPageEngineTempBean ( theField.getJahiaID(),
                                                    theField.getPageID(),
                                                    JahiaPage.TYPE_DIRECT,
                                                    "",     // no title
                                                    0,      // page template 0 ..... THIS IS A BIG HACK ... A BUG !!!!!!
                                                    null,   // direct link ... so no remote URL needed.
                                                    -1,     // direct link ... so no link ID needed.
                                                    jParams.getUser().getName(),
                                                    theField.getID() );   // we should be creating a new field here,
                                                                          // so value should be -1 ... !!;
            engineMap.put( "isDirectLink", Boolean.FALSE );
            engineMap.put( "isNewPage", Boolean.TRUE );
        }

    // We've got something in theField.object !  it's either a REAL page, or an earmark
        else
        {
        // It's not an earmark... it's a REAL Page !
            if(!gotvalidbean)
            {
                // CALL A REAL PAGE HERE....
                thePage = loadPageBeanFromRealPage( theField );
                //toDebug("########## Load page from DB");
            }

        // It's an earmark... we should look for a Bean to load
            else
            {
                JahiaPageEngineTempBean theBean = (JahiaPageEngineTempBean)jParams.getRequest().getSession().getAttribute("PageBean"+ theField.getDefinition().getName());

                try {
                    // The Bean belongs to the Field... okay to load it !
                    if (theBean.getLinkFieldID() == theField.getID()) {
                        JahiaConsole.println(CLASS_NAME + ".composePage",
                                                "Retrieving EXISTING Bean...");
                        // aleady loaded...
                        thePage = theBean;
                        StringBuffer pageAttribute =
                            new StringBuffer("        siteID        : ["+thePage.getSiteID()+"]\n");
                        pageAttribute.append("        parentID      : ["+thePage.getParentID()+"]\n");
                        pageAttribute.append("        pageType      : ["+thePage.getPageType()+"]\n");
                        pageAttribute.append("        title         : ["+thePage.getTitle()+"]\n");
                        pageAttribute.append("        pageTemplateID: ["+thePage.getPageTemplateID()+"]\n");
                        pageAttribute.append("        remoteURL     : ["+thePage.getRemoteURL()+"]\n");
                        pageAttribute.append("        pageLinkID    : ["+thePage.getPageLinkID()+"]\n");
                        pageAttribute.append("        creator       : ["+thePage.getCreator()+"]\n");
                        pageAttribute.append("        linkFieldID   : ["+thePage.getLinkFieldID()+"]\n");
                        JahiaConsole.println(CLASS_NAME + ".composePage", pageAttribute.toString());
                        // The Bean does NOT belong to the Field...
                    } else {
                        // CALL A REAL PAGE HERE....
                        thePage = loadPageBeanFromRealPage( theField );
                    }
                } catch (Exception e) {
                    // CALL A REAL PAGE HERE....
                    thePage = loadPageBeanFromRealPage( theField );
                }
            }

            // now the bean has been populated with info from an existing page,
            // or retrieved with the result of some previous input.
            // set the flag for complete or partial JSP display
            if (engineMap.get("isDirectLink") == null) {
                if (thePage.getPageType() == JahiaPage.TYPE_DIRECT) {
                    engineMap.put( "isDirectLink", Boolean.TRUE );
                } else {
                    engineMap.put( "isDirectLink", Boolean.FALSE );
                }
            }
            if(gotvalidbean)
            {
                JahiaConsole.println(CLASS_NAME + ".composePage", "gotvalidbean is true");

                if ( (engineMap.get("updateField" + theField.getDefinition().getName()) != null) && (engineMap.get("updateField" + theField.getDefinition().getName()).equals("true")) )
                {
                    toDebug(">> isNewPage set to false");
                    engineMap.put( "isNewPage", Boolean.FALSE );
                } else {
                    toDebug(">> isNewPage set to true");
                    engineMap.put( "isNewPage", Boolean.TRUE );
                }

            }
            else
            {
                JahiaConsole.println(CLASS_NAME + ".composePage", "gotvalidbean is false");

                engineMap.put( "isNewPage", Boolean.FALSE );
            }
        }

        // check for page temporary changes
        JahiaConsole.println(CLASS_NAME+".composePage","Check page temporary changes");

        HashMap     subEngineMap = (HashMap) jParams.getRequest().getSession()
                                             .getAttribute("org.jahia.engines.CopyTree_Engine.engineMap");

        if(subEngineMap != null) {
            JahiaConsole.println(CLASS_NAME+".composePage","CopyTree subengine found");

            Integer sourcePageID =  (Integer)subEngineMap.get(CopyTree_Engine.SOURCEPAGE_ID);
            int remotePageID = -1;
            String operation =  (String)subEngineMap.get("operation");
            if( (operation.equals("link")) && (sourcePageID != null) ) {
                remotePageID = sourcePageID.intValue();
            }
            JahiaConsole.println(CLASS_NAME+".composePage","remotepageid " + remotePageID);

            if ( remotePageID != -1 && remotePageID != thePage.getPageLinkID() )
            {
                JahiaPage linkPage = ServicesRegistry.getInstance().getJahiaPageService().lookupPage(remotePageID);
                if ( linkPage != null ){
                    thePage.setTitle( linkPage.getTitle() );
                }
            }
        }

        // for internal engine use
        jParams.getRequest().getSession().setAttribute( "PageBean"+ theField.getDefinition().getName(), thePage );
        // for jsp
        jParams.getRequest().setAttribute( "PageBean"+ theField.getDefinition().getName(), thePage );
        return thePage;
    } // end composePage



    /***
        * loads the page cache bean with info from an existing JahiaPage
        *
        * @param        theField            the Field Object we're working on
        * @return       a PageBean to use as cache for the page info
        *
        */
    private JahiaPageEngineTempBean loadPageBeanFromRealPage( JahiaField theField )
    {
        // not loaded yet...
        JahiaPage theRealPage = (JahiaPage)theField.getObject();

        JahiaConsole.println(CLASS_NAME + ".loadPageBeanFromRealPage",
                                          "Making PageBean from REAL Page...");
        StringBuffer pageAttribute =
            new StringBuffer("        jahiaID       : ["+theRealPage.getJahiaID()+"]\n");
        pageAttribute.append("        parentID      : ["+theRealPage.getParentID()+"]\n");
        pageAttribute.append("        pageType      : ["+theRealPage.getPageType()+"]\n");
        pageAttribute.append("        title         : ["+theRealPage.getTitle()+"]\n");
        pageAttribute.append("        pageTemplateID: ["+theRealPage.getPageTemplateID()+"]\n");
        pageAttribute.append("        remoteURL     : ["+theRealPage.getRemoteURL()+"]\n");
        pageAttribute.append("        pageLinkID    : ["+theRealPage.getPageLinkID()+"]\n");
        pageAttribute.append("        creator       : ["+theRealPage.getCreator()+"]\n");
        pageAttribute.append("        linkFieldID   : ["+theField.getID()+"]\n");
        JahiaConsole.println(CLASS_NAME + ".loadPageBeanFromRealPage", pageAttribute.toString());

        JahiaPageEngineTempBean thePage = new JahiaPageEngineTempBean ( theRealPage.getJahiaID(),
                                                                        theRealPage.getParentID(),
                                                                        theRealPage.getPageType(),
                                                                        theRealPage.getTitle(),
                                                                        theRealPage.getPageTemplateID(),
                                                                        theRealPage.getRemoteURL(),
                                                                        theRealPage.getPageLinkID(),
                                                                        theRealPage.getCreator(),
                                                                        theField.getID()
                                                                      );
        return thePage;
    } // end loadPageBeanFromRealPage()



    /***
        * returns next undefined page number
        *
        */
    private static int nextUndefined()
    {
        staticUndefined++;
        return staticUndefined;
    } // end nextUndefined



    //-------------------------------------------------------------------------
    private synchronized void toDebug (String message)
    {
        if (true)
        {
            JahiaConsole.println ("Page_Field", message);
        }
    }


} // end Page_Field