Revision 11247 trunk/libraries/libGPE/src/org/gvsig/gpe/GPERegister.java
| GPERegister.java | ||
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import java.io.File; |
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import java.lang.reflect.InvocationTargetException; |
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import java.util.ArrayList; |
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import java.util.Hashtable; |
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import java.util.Iterator; |
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import org.gvsig.gpe.writers.GPEWriterHandler; |
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* |
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* $Id$ |
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* $Log$ |
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* Revision 1.8 2007-04-18 12:54:45 csanchez |
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* Revision 1.9 2007-04-19 07:23:20 jorpiell |
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* Add the add methods to teh contenhandler and change the register mode |
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* |
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* Revision 1.8 2007/04/18 12:54:45 csanchez |
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* Actualizacion protoripo libGPE |
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* |
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* Revision 1.7 2007/04/17 07:53:55 jorpiell |
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* @author Jorge Piera LLodr? (jorge.piera@iver.es) |
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*/ |
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public class GPERegister {
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private static ArrayList parsers = new ArrayList(); |
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private static Hashtable parsers = new Hashtable(); |
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private static Hashtable writers = new Hashtable(); |
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/** |
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* Adds a new GPE parser |
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* @param driver |
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* @param name |
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* Driver name. It must be written like FORMAT VERSION |
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* @param description |
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* Driver description. Just a descriptive text |
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* @param clazz |
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* The parser class |
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* @throws NoSuchMethodException |
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* @throws InvocationTargetException |
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* @throws IllegalAccessException |
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* @throws InstantiationException |
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* @throws SecurityException |
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* @throws IllegalArgumentException |
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*/ |
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public static void addGpeDriver(GPEParser parser){
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parsers.add(parser); |
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public static void addGpeParser(String name, String description,Class clazz) throws IllegalArgumentException, SecurityException, InstantiationException, IllegalAccessException, InvocationTargetException, NoSuchMethodException{
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if (clazz != null){
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GPEParser parser = (GPEParser)clazz.getConstructor(null).newInstance(null); |
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parsers.put(name, parser); |
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} |
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} |
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/** |
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* Adds a new GPE parser |
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* @param calssName |
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* Class name for the GPE parser |
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* @param contentHandler |
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* Consummer content handler |
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* @param errorsHanlder |
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* Consumer errorsHandler |
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* @throws ClassNotFoundException |
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* Adds a new GPEWriterHandler |
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* @param name |
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* Driver name. It must be written like FORMAT VERSION |
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* @param description |
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* Driver description. Just a descriptive text |
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* @param clazz |
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* The parser class |
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* @throws NoSuchMethodException |
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* @throws InvocationTargetException |
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* @throws IllegalAccessException |
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* @throws SecurityException |
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* @throws IllegalArgumentException |
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*/ |
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public static void addGpeDriver(String className, |
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GPEContentHandler contentHandler, |
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GPEErrorHandler errorsHanlder) throws ClassNotFoundException, IllegalArgumentException, SecurityException, InstantiationException, IllegalAccessException, InvocationTargetException, NoSuchMethodException{
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Class [] args = {GPEContentHandler.class,GPEErrorHandler.class};
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Object [] params = {contentHandler,errorsHanlder};
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Class clazz = Class.forName(className); |
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public static void addGpeWriterHandler(String name, String description,Class clazz) throws IllegalArgumentException, SecurityException, InstantiationException, IllegalAccessException, InvocationTargetException, NoSuchMethodException{
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if (clazz != null){
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GPEParser parser = (GPEParser)clazz.getConstructor(args).newInstance(params);
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parsers.add(parser);
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}
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GPEWriterHandler parser = (GPEWriterHandler)clazz.getConstructor(null).newInstance(null);
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writers.put(name, parser);
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} |
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} |
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/** |
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* Return true if exists a driver that can open the file |
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* @param file |
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* File to open |
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* Create a new parser from a name |
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* @param name |
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* @param contenHandler |
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* @param errorHandler |
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* @throws NoSuchMethodException |
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* @throws InvocationTargetException |
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* @throws IllegalAccessException |
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* @throws InstantiationException |
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* @throws SecurityException |
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* @throws IllegalArgumentException |
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* @return |
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* true if the driver exists
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* Null if the parser doesn't exist
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*/ |
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public static boolean accept(File file){
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for (int i=0 ; i<parsers.size() ; i++){
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GPEParser parser = (GPEParser)parsers.get(i); |
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if (parser.accept(file)){
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return true; |
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} |
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} |
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return false; |
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public static GPEParser createParser(String name) throws IllegalArgumentException, SecurityException, InstantiationException, IllegalAccessException, InvocationTargetException, NoSuchMethodException{
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Object parser = parsers.get(name); |
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if (parser != null){
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return (GPEParser)parser.getClass().getConstructor(null).newInstance(null); |
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} |
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return null; |
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} |
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/** |
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* File to open |
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* @return |
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* Null if the driver doesn't exist |
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* @throws NoSuchMethodException |
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* @throws InvocationTargetException |
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* @throws IllegalAccessException |
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* @throws InstantiationException |
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* @throws SecurityException |
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* @throws IllegalArgumentException |
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*/ |
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public static GPEParser getParser(File file) throws Exception{
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for (int i=0 ; i<parsers.size() ; i++){
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GPEParser parser = (GPEParser)parsers.get(i); |
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public static GPEParser createParser(File file) throws IllegalArgumentException, SecurityException, InstantiationException, IllegalAccessException, InvocationTargetException, NoSuchMethodException {
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Iterator keys = parsers.keySet().iterator(); |
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while (keys.hasNext()){
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String key = (String)keys.next(); |
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GPEParser parser = (GPEParser)parsers.get(key); |
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if (parser.accept(file)){
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parser.getContentHandler().initialize(); |
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parser.getErrorHandler().initialize(); |
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return parser; |
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return createParser(key); |
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} |
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} |
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return null; |
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} |
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/** |
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* Gets the writer that is used to write the file |
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* @param format |
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* File format |
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* Create a new content writer from a name |
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* @param name |
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* @param contenHandler |
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* @param errorHandler |
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* @throws NoSuchMethodException |
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* @throws InvocationTargetException |
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* @throws IllegalAccessException |
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* @throws InstantiationException |
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* @throws SecurityException |
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* @throws IllegalArgumentException |
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*/ |
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public static GPEWriterHandler createWriter(String name) throws IllegalArgumentException, SecurityException, InstantiationException, IllegalAccessException, InvocationTargetException, NoSuchMethodException{
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Object writer = writers.get(name); |
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if (writer != null){
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return (GPEWriterHandler)writer.getClass().getConstructor(null).newInstance(null); |
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} |
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return null; |
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} |
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/** |
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* Return true if exists a driver that can open the file |
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* @param file |
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* File to open |
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* @return |
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* Null if the writer doesn't exist
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* true if the driver exists
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*/ |
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public static GPEWriterHandler getWriter(String format){
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for (int i=0 ; i<parsers.size() ; i++){
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GPEParser parser = (GPEParser)parsers.get(i); |
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String[] formats = parser.getFormats(); |
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for (int j=0 ; j<formats.length ; j++){
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if (formats[j].toUpperCase().equals(format.toUpperCase())){
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return parser.getWriter(format); |
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} |
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public static boolean accept(File file){
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Iterator keys = parsers.keySet().iterator(); |
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while (keys.hasNext()){
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GPEParser parser = (GPEParser)parsers.get(keys.next()); |
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if (parser.accept(file)){
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return true; |
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} |
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} |
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return null;
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return false;
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} |
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} |
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