source: main/trunk/greenstone3/src/java/org/greenstone/gsdl3/core/Page.java@ 25635

package org.greenstone.gsdl3.core;

import java.io.File;
import java.io.Serializable;
import java.util.HashMap;

import org.greenstone.util.GlobalProperties;
import org.greenstone.gsdl3.util.*;
import org.w3c.dom.*;

public class Page {

    private Element page ;
    private Element pageRequest ;
    private Element pageResponse ;

    private Document siteUi ;
    private Document collectUi ;
    private Document siteMetadata ;
    private Document collectMetadata ;
    
    private Receptionist receptionist ;
    
    public Page(Element page, Receptionist receptionist) {
        try {
        this.page = page ;
        this.receptionist = receptionist ;
        
        pageRequest = (Element)GSXML.getChildByTagName(page, GSXML.PAGE_REQUEST_ELEM);
        pageResponse = (Element)GSXML.getChildByTagName(page, GSXML.PAGE_RESPONSE_ELEM);
        
        String siteHome = GSFile.siteHome(GlobalProperties.getGSDL3Home(), getSite()) ;
        String collection = getCollection() ;
                
        File siteUiFile = new File(siteHome + File.separatorChar + "ui" + File.separatorChar + "ui.xml") ;  
        //System.out.println("siteUi: " + siteUiFile.getAbsolutePath()) ;
        siteUi = receptionist.converter.getDOM(siteUiFile, "utf-8");
        if (siteUi == null) {
            System.out.println(" could not parse site level ui file: " + siteUiFile.getPath());
        }
        
        File siteMetadataFile = new File(siteHome + File.separatorChar + "metadata.xml") ;
        //System.out.println("siteMetadata: " + siteMetadataFile.getAbsolutePath()) ;
        siteMetadata = receptionist.converter.getDOM(siteMetadataFile, "utf-8");
        if (siteMetadata == null) {
            System.out.println(" could not parse site level metadata file: " + siteMetadataFile.getPath());
        }
        
        if (!collection.equals("")) {
            File collectUiFile = new File(GSFile.collectionBaseDir(siteHome, collection) + File.separatorChar + "ui" + File.separatorChar + "ui.xml") ;
            collectUi = receptionist.converter.getDOM(collectUiFile, "utf-8");
            if (collectUi == null) {
                System.out.println(" could not parse collect level ui file: " + collectUiFile.getPath());
            }
            
            File collectMetadataFile = new File(GSFile.collectionBaseDir(siteHome, collection) + File.separatorChar + "metadata.xml") ;
            collectMetadata = receptionist.converter.getDOM(collectMetadataFile, "utf-8");
            if (collectMetadata == null) {
                System.out.println(" could not parse collect level metadata file: " + collectMetadataFile.getPath());
            }
        }
        } catch (Exception e) {
            e.printStackTrace() ;
        }
    }
    
    public Element getPage() {
        return page ;
    }
    
    public Element getPageRequest() {
        return pageRequest ;
    }
    
    public Element getPageResponse() {
        return pageResponse ;
    }
    
    public String getAction() {
        return pageRequest.getAttribute("action") ;
    }
    
    public String getSubaction() {
        return pageRequest.getAttribute("subaction") ;
    }
    
    public String getSiteHome() {
        return GSFile.siteHome(GlobalProperties.getGSDL3Home(), getSite()) ;
    }
    
    public String getCollectionHome() {
        String collection = this.getCollection() ;
        if (!collection.equals(""))
            return GSFile.collectionBaseDir(getSiteHome(), collection) ;
        else 
            return null ;
    }
    
    public Document getSiteUi() {
        return siteUi ;
    }
    
    public Document getCollectUi() {
        return collectUi ;
    }
    
    public Document getSiteMetadata() {
        return siteMetadata ;
    }
    
    public Document getCollectMetadata() {
        return collectMetadata ;
    }   
    
    public String getLanguage() {
        String lang = pageRequest.getAttribute(GSXML.LANG_ATT);
        return lang ;
    }
    
    public String getSite() {
        return (String) receptionist.config_params.get(GSConstants.SITE_NAME) ;
    }
    
    public String getCollection() {
        String collection = "" ;
        Element request = (Element)GSXML.getChildByTagName(page, GSXML.PAGE_REQUEST_ELEM);
        
        Element cgi_param_list = (Element)GSXML.getChildByTagName(request, GSXML.PARAM_ELEM+GSXML.LIST_MODIFIER);
        if (cgi_param_list != null) {
            HashMap<String, Serializable> params = GSXML.extractParams(cgi_param_list, false);
            collection = (String)params.get(GSParams.COLLECTION);
            if (collection == null) collection = "";
        }   
        return collection ;
    }
}