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GNU General Public License
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package org.dklisiaris.downtown.helper; //from ww w.j a v a 2 s . c o m import java.io.IOException; import java.io.StringReader; import java.io.UnsupportedEncodingException; import java.util.ArrayList; import java.util.Arrays; import javax.xml.parsers.DocumentBuilder; import javax.xml.parsers.DocumentBuilderFactory; import javax.xml.parsers.ParserConfigurationException; import org.apache.http.HttpEntity; import org.apache.http.HttpResponse; import org.apache.http.client.ClientProtocolException; import org.apache.http.client.methods.HttpGet; import org.apache.http.client.methods.HttpPost; import org.apache.http.conn.ConnectTimeoutException; import org.apache.http.impl.client.DefaultHttpClient; import org.apache.http.params.BasicHttpParams; import org.apache.http.params.HttpConnectionParams; import org.apache.http.params.HttpParams; import org.apache.http.util.EntityUtils; import org.dklisiaris.downtown.db.Banner; import org.dklisiaris.downtown.db.Category; import org.dklisiaris.downtown.db.Company; import org.dklisiaris.downtown.db.Image; import org.dklisiaris.downtown.db.InitData; import org.dklisiaris.downtown.db.Keyword; import org.dklisiaris.downtown.db.Mapping; import org.dklisiaris.downtown.db.Product; import org.w3c.dom.Document; import org.w3c.dom.Element; import org.w3c.dom.Node; import org.w3c.dom.NodeList; import org.xml.sax.InputSource; import org.xml.sax.SAXException; import android.text.TextUtils; import android.util.Log; public class XMLParser { static final String KEY_PRODUCT = "product"; static final String KEY_NAME = "name"; static final String KEY_DEL = "delete"; static final String KEY_DELS = "deleted"; static final String KEY_DESC = "description"; static final String KEY_IMAGE = "image"; static final String KEY_DEL_IMAGE = "del_image"; static final String KEY_CATEGORY = "category"; static final String KEY_SUBCATEGORY = "subcategory"; static final String KEY_AVAIL = "availability"; static final String KEY_LANG= "latitude"; static final String KEY_LONG = "longitude"; static final String KEY_ID = "id"; static final String KEY_ADDRESS = "address"; static final String KEY_AREA = "area"; static final String KEY_COUNTY = "county"; static final String KEY_WEBSITE = "website"; static final String KEY_TELS = "telephones"; static final String KEY_TEL = "tel"; static final String KEY_FAX = "fax"; static final String KEY_TK = "tk"; static final String KEY_LEVEL = "level"; static final String KEY_CATEGORIES = "categories"; static final String KEY_SUBCATEGORIES = "subcategories"; static final String KEY_INIT_IMG = "initial_images"; static final String KEY_INIT_IMAGE = "init_image"; static final String KEY_DEL_INIT_IMAGE = "del_init_image"; static final String ATTR_CATEGORY_ID = "cat_id"; static final String ATTR_ID = "id"; static final String ATTR_UPDATE = "update-time"; static final String KEY_UPDATES = "Downtown_Updates"; static final String KEY_LICENSE = "license"; static final String KEY_AVAIL_UPDATES = "available-updates"; static final String KEY_CO_CAT = "co_cat"; static final String KEY_DEL_CO_CAT = "del_co_cat"; static final String KEY_KEY = "key"; static final String KEY_DEL_KEY = "del_key"; static final String KEY_CO_KEY = "co_key"; static final String KEY_DEL_CO_KEY = "del_co_key"; static final String KEY_CAT_KEY = "cat_key"; static final String KEY_DEL_CAT_KEY = "del_cat_key"; static final String ATTR_CO_ID = "co_id"; static final String ATTR_CAT_ID = "cat_id"; static final String ATTR_KEY_ID = "key_id"; static final String KEY_BANNER = "banner"; static final String KEY_DEL_BANNER = "del_banner"; static final String KEY_ICON = "icon"; static final String KEY_DEL_ICON = "del_icon"; static final String KEY_BLANK = "blankImg"; static final String ATTR_WEIGHT = "w"; public XMLParser(){} public String getXmlFromUrl(String url) { String xml = null; try { // defaultHttpClient /*DefaultHttpClient httpClient = new DefaultHttpClient(); HttpPost httpPost = new HttpPost(url); HttpResponse httpResponse = httpClient.execute(httpPost); HttpEntity httpEntity = httpResponse.getEntity(); xml = EntityUtils.toString(httpEntity);*/ HttpGet httpGet = new HttpGet(url); HttpParams httpParameters = new BasicHttpParams(); // Set the timeout in milliseconds until a connection is established. // The default value is zero, that means the timeout is not used. int timeoutConnection = 4000; HttpConnectionParams.setConnectionTimeout(httpParameters, timeoutConnection); // Set the default socket timeout (SO_TIMEOUT) // in milliseconds which is the timeout for waiting for data. int timeoutSocket = 6000; HttpConnectionParams.setSoTimeout(httpParameters, timeoutSocket); DefaultHttpClient httpClient = new DefaultHttpClient(httpParameters); HttpResponse response = httpClient.execute(httpGet); HttpEntity httpEntity = response.getEntity(); xml = EntityUtils.toString(httpEntity); }catch (ConnectTimeoutException e) { xml = null; e.printStackTrace(); } catch (UnsupportedEncodingException e) { xml = null; e.printStackTrace(); } catch (ClientProtocolException e) { xml = null; e.printStackTrace(); } catch (IOException e) { xml = null; e.printStackTrace(); } // return XML return xml; } public Document getDomElement(String xml){ Document doc = null; DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance(); try { DocumentBuilder db = dbf.newDocumentBuilder(); InputSource is = new InputSource(); is.setCharacterStream(new StringReader(xml)); doc = db.parse(is); } catch (ParserConfigurationException e) { Log.e("Error: ", e.getMessage()); return null; } catch (SAXException e) { Log.e("Error: ", e.getMessage()); return null; } catch (IOException e) { Log.e("Error: ", e.getMessage()); return null; } // return DOM return doc; } public String getValue(Element item, String str) { NodeList n = item.getElementsByTagName(str); return this.getElementValue(n.item(0)); } public final String getElementValue( Node elem ) { Node child; if( elem != null){ if (elem.hasChildNodes()){ for( child = elem.getFirstChild(); child != null; child = child.getNextSibling() ){ if( child.getNodeType() == Node.TEXT_NODE ){ return child.getNodeValue(); } } } } return ""; } public String getAttributeFromNode(Element item, String key, String attr){ NodeList nl = item.getElementsByTagName(key); Element elem = (Element)nl.item(0); return elem.getAttribute(attr); } /** * Getting if we should update from update.xml */ public boolean getUpdate(Document doc){ Element e = (Element) doc.getElementsByTagName(KEY_UPDATES).item(0); String license = getValue(e,KEY_LICENSE); String isUpdate = getValue(e,KEY_AVAIL_UPDATES); if(license.equals("true") && isUpdate.equals("yes")) return true; else return false; } /** * Parsing all company-category mappings from companies.xml * @param isDeleted : true if we want deleted mappings, false otherwise */ public ArrayList<Mapping> parseCoCatMaps(Document doc, boolean isDeleted){ ArrayList<Mapping> cocats = new ArrayList<Mapping>(); String tag = (isDeleted)? KEY_DEL_CO_CAT : KEY_CO_CAT; NodeList nl = doc.getElementsByTagName(tag); for (int k = 0; k < nl.getLength();k++) { Element e = (Element) nl.item(k); int co_id = Integer.parseInt(e.getAttribute(ATTR_CO_ID)); int cat_id = Integer.parseInt(e.getAttribute(ATTR_CAT_ID)); Mapping ccm = new Mapping(co_id,cat_id); cocats.add(ccm); } return cocats; } /** * Parsing all keywords from keywords.xml */ public ArrayList<Keyword> parseKeywords(Document doc){ ArrayList<Keyword> keywords = new ArrayList<Keyword>(); NodeList nl = doc.getElementsByTagName(KEY_KEY); for (int k = 0; k < nl.getLength();k++) { Element e = (Element) nl.item(k); int key_id = Integer.parseInt(e.getAttribute(ATTR_KEY_ID)); String key_name = getElementValue(e); Keyword key = new Keyword(key_id,key_name); keywords.add(key); } return keywords; } /** * Parsing all deleted keywords from keywords.xml */ public ArrayList<Integer> parseDeletedKeywords(Document doc){ ArrayList<Integer> keyIDs = new ArrayList<Integer>(); NodeList nl = doc.getElementsByTagName(KEY_DEL_KEY); for (int k = 0; k < nl.getLength();k++) { Element e = (Element) nl.item(k); int key_id = Integer.parseInt(getElementValue(e)); keyIDs.add(key_id); } return keyIDs; } /** * Parsing all company-keyword mappings from keywords.xml * @param isDeleted : true if we want deleted mappings, false otherwise */ public ArrayList<Mapping> parseCoKeyMaps(Document doc, boolean isDeleted){ ArrayList<Mapping> cokeys = new ArrayList<Mapping>(); String tag = (isDeleted)? KEY_DEL_CO_KEY : KEY_CO_KEY; NodeList nl = doc.getElementsByTagName(tag); for (int k = 0; k < nl.getLength();k++) { Element e = (Element) nl.item(k); int co_id = Integer.parseInt(e.getAttribute(ATTR_CO_ID)); int key_id = Integer.parseInt(e.getAttribute(ATTR_KEY_ID)); Mapping ckm = new Mapping(co_id,key_id); cokeys.add(ckm); } return cokeys; } /** * Parsing all category-keyword mappings from keywords.xml * @param isDeleted : true if we want deleted mappings, false otherwise */ public ArrayList<Mapping> parseCatKeyMaps(Document doc, boolean isDeleted){ ArrayList<Mapping> catkeys = new ArrayList<Mapping>(); String tag = (isDeleted)? KEY_DEL_CAT_KEY : KEY_CAT_KEY; NodeList nl = doc.getElementsByTagName(tag); for (int k = 0; k < nl.getLength();k++) { Element e = (Element) nl.item(k); int cat_id = Integer.parseInt(e.getAttribute(ATTR_CAT_ID)); int key_id = Integer.parseInt(e.getAttribute(ATTR_KEY_ID)); Mapping ckm = new Mapping(cat_id,key_id); catkeys.add(ckm); } return catkeys; } /** * Parsing all images from images.xml * @param isDeleted : true if we want deleted images, false otherwise */ public ArrayList<Image> parseImages(Document doc, boolean isDeleted){ ArrayList<Image> imgs = new ArrayList<Image>(); String tag = (isDeleted)? KEY_DEL_IMAGE : KEY_IMAGE; NodeList nl = doc.getElementsByTagName(tag); for (int k = 0; k < nl.getLength();k++) { Element e = (Element) nl.item(k); int co_id = Integer.parseInt(e.getAttribute(ATTR_CO_ID)); int weight = (isDeleted)? 0 : Integer.parseInt(e.getAttribute(ATTR_WEIGHT)); String img_url = getElementValue(e); Image img = new Image(co_id,weight,img_url); imgs.add(img); } return imgs; } /** * Parsing all banners or icons from images.xml * @param isIcon : true if we want icons, false if banners * @param isDeleted : true if we want deleted images, false otherwise */ public ArrayList<Banner> parseBanners(Document doc,boolean isIcon, boolean isDeleted){ ArrayList<Banner> imgs = new ArrayList<Banner>(); String tag = (isIcon)? KEY_ICON : KEY_BANNER; if(isDeleted) tag = "del_"+tag; NodeList nl = doc.getElementsByTagName(tag); for (int k = 0; k < nl.getLength();k++) { Element e = (Element) nl.item(k); int cat_id = Integer.parseInt(e.getAttribute(ATTR_CAT_ID)); int weight = (!isDeleted && !isIcon)? Integer.parseInt(e.getAttribute(ATTR_WEIGHT)) : 0; String img_url = getElementValue(e); Banner img = new Banner(cat_id,weight,img_url,isIcon); imgs.add(img); } return imgs; } /** * Parsing initial images (start Banners) from images.xml * @param isDeleted : true if we want deleted banners, false otherwise */ public ArrayList<Banner> parseStartBanners(Document doc, boolean isDeleted){ ArrayList<Banner> imgs = new ArrayList<Banner>(); String tag = (isDeleted)? KEY_DEL_INIT_IMAGE : KEY_INIT_IMAGE; NodeList nl = doc.getElementsByTagName(tag); for (int k = 0; k < nl.getLength();k++) { Element e = (Element) nl.item(k); int weight = Integer.parseInt(e.getAttribute(ATTR_WEIGHT)); String img_url = getElementValue(e); Banner img = new Banner(0,weight,img_url,false); imgs.add(img); } return imgs; } /** * Check if there is a blank image to dl - from images.xml */ public boolean getBlankImg(Document doc){ Element e = (Element) doc.getElementsByTagName(KEY_BLANK).item(0); String blank = getElementValue(e); if(blank!=null && blank.equals("Blankside.jpg")) return true; else return false; } /** * Parsing all categories from categories.xml */ public ArrayList<Category> getAllCategories(Document doc){ ArrayList<Category> cats = new ArrayList<Category>(); //Document doc = getDomElement(xml); // getting DOM element NodeList nl = doc.getElementsByTagName(KEY_CATEGORY); // looping through all item nodes <category> for (int k = 0; k < nl.getLength();k++) { Element e = (Element) nl.item(k); String name = getValue(e,KEY_NAME); int id=Integer.parseInt(e.getAttribute(ATTR_ID)); NodeList subItems = e.getElementsByTagName(KEY_SUBCATEGORY); for(int j=0; j<subItems.getLength(); j++){ Element subItem = (Element) subItems.item(j); String subcat_name = getElementValue(subItem); int subcat_id = Integer.parseInt(subItem.getAttribute(ATTR_ID)); int subcat_parent=id; Category subcat = new Category(subcat_id,subcat_name,subcat_parent); cats.add(subcat); //Log.d("Subcat",subcat.getCat_name()); } Category cat = new Category(id,name,0); cats.add(cat); } return cats; } public InitData getInitData(Document doc){ //Document doc = getDomElement(xml); // getting DOM element NodeList nl = doc.getElementsByTagName(KEY_INIT_IMG); Element e = (Element) nl.item(0); String update = e.getAttribute(ATTR_UPDATE); //Log.d("Update time:",update); ArrayList<String> imgs = getImgUrlsFromElem(e,KEY_IMAGE); InitData ini = new InitData(update,imgs); return ini; } public ArrayList<String> getDeleted(Document doc){ ArrayList<String> dels = new ArrayList<String>(); //Document doc = getDomElement(xml); // getting DOM element NodeList nl = doc.getElementsByTagName(KEY_DEL); // looping through all item nodes <category> for (int k = 0; k < nl.getLength();k++) { Element e = (Element) nl.item(k); String del_id = getElementValue(e); dels.add(del_id); } return dels; } public ArrayList<Company> getAllCompanies(Document doc){ ArrayList<Company> companies = new ArrayList<Company>(); //Document doc = getDomElement(xml); // getting DOM element NodeList nl = doc.getElementsByTagName(KEY_PRODUCT); // looping through all item nodes <category> for (int k = 0; k < nl.getLength();k++) { Element e = (Element) nl.item(k); int co_id = Integer.parseInt(getValue(e,KEY_ID)); int avail = getValue(e,KEY_AVAIL).equals("yes") ? 1 : 0; int level = Integer.parseInt(getValue(e,KEY_LEVEL)); int cat_id = Integer.parseInt(getAttributeFromNode(e,KEY_CATEGORY,ATTR_CATEGORY_ID)); String website=null; if(avail==1)website=getValue(e,KEY_WEBSITE); double langi=0.0,longi=0.0; ArrayList<String> imgs = getImgUrlsFromElem(e,KEY_IMAGE); ArrayList<String> tels = getMultiValuesFromElem(e,KEY_TEL); ArrayList<String> subcats = new ArrayList<String>(); NodeList subItems = e.getElementsByTagName(KEY_SUBCATEGORY); for(int j=0; j<subItems.getLength(); j++){ Element subItem = (Element) subItems.item(j); subcats.add(subItem.getAttribute(ATTR_CATEGORY_ID)); } String county = getValue(e,KEY_COUNTY); String tk = getValue(e,KEY_TK); String fax = getValue(e,KEY_FAX); String strLang=getValue(e,KEY_LANG), strLong=getValue(e,KEY_LONG); //Log.d("Coords: ",strLang+" - "+strLong); if (exists(strLang) && exists(strLong)){ try{ langi = Double.parseDouble(getValue(e,KEY_LANG)); longi = Double.parseDouble(getValue(e,KEY_LONG)); }catch(NumberFormatException nfe){nfe.printStackTrace();} } Company com =new Company(co_id,getValue(e,KEY_NAME),getValue(e,KEY_ADDRESS),getValue(e,KEY_DESC), imgs,tels,subcats,cat_id,getValue(e,KEY_AREA),county,tk,level,avail, website,fax,langi,longi); //Log.d("Namexml",pr.getName()); companies.add(com); } return companies; } public ArrayList<String> getAllValuesWithTag(Document doc, String itemTag){ ArrayList<String> items = new ArrayList<String>(); //Document doc = getDomElement(xml); // getting DOM element NodeList nl = doc.getElementsByTagName(itemTag); // looping through all item nodes <category> for (int k = 0; k < nl.getLength();k++) { Element e = (Element) nl.item(k); String value = getElementValue(e); if (!items.contains(value) && value != null && !TextUtils.isEmpty(value)){ items.add(value); //Log.d("Item added:",value); } } return items; } public ArrayList<String> getMultiValuesFromElem(Element elem , String multiTag){ ArrayList<String> multi = new ArrayList<String>(); NodeList subItems = elem.getElementsByTagName(multiTag); for(int j=0; j<subItems.getLength(); j++){ Element subItem = (Element) subItems.item(j); String value = getElementValue(subItem); if (!multi.contains(value)){ //Log.d(getValue(elem,KEY_NAME),value); multi.add(value); //Log.d("Tel",value); } } return multi; } public ArrayList<String> getImgUrlsFromElem(Element elem , String multiTag){ ArrayList<String> multi = new ArrayList<String>(); NodeList subItems = elem.getElementsByTagName(multiTag); for(int j=0; j<subItems.getLength(); j++){ Element subItem = (Element) subItems.item(j); String value = getElementValue(subItem); if (!multi.contains(value) && isValidImageName(value)){ //Log.d(getValue(elem,KEY_NAME),value); multi.add(value); } } return multi; } public boolean isValidImageName(String imgName){ if (imgName.endsWith(".jpg") || imgName.endsWith(".jpeg") || imgName.endsWith(".png") || imgName.endsWith(".bmp")){ if(!imgName.startsWith("Blankside") && !imgName.startsWith("1Blankside") && imgName!=null && !TextUtils.isEmpty(imgName)){ return true; }else return false; } else return false; } public ArrayList<String> getAllSubTagItems(Document doc, String elemTag, String itemTag, boolean isMulti){ ArrayList<String> items = new ArrayList<String>(); //Document doc = getDomElement(xml); // getting DOM element NodeList nl = doc.getElementsByTagName(elemTag); // looping through all item nodes <category> for (int k = 0; k < nl.getLength();k++) { Element e = (Element) nl.item(k); if(isMulti){ NodeList subItems = e.getElementsByTagName(itemTag); for(int j=0; j<subItems.getLength(); j++){ Element subItem = (Element) subItems.item(j); String value = getElementValue(subItem); if (!items.contains(value)){ items.add(value); //Log.d("Item added:",value); } //Log.d("Subcat",parser.getElementValue(subcat)); } }else{ String value = getValue(e, itemTag); if (!items.contains(value)){ items.add(value); //Log.d("Item added:",value); } } } return items; } public static boolean exists(final String string) { return string != null && !TextUtils.isEmpty(string) && !TextUtils.isEmpty(string.trim()); } public static String convertArrayToString(ArrayList<String> array){ String str = ""; if(array!=null && array.size()>0){ for (int i = 0;i<array.size(); i++) { str = str+array.get(i); // Do not append comma at the end of last element if(i<array.size()-1){ str = str+","; } } } return str; } public static ArrayList<String> convertStringToArray(String str){ if(str.length()>0){ ArrayList<String> arr = new ArrayList<String>(Arrays.asList(str.split(","))); return arr; } else return null; } }