root / trunk / extensions / extScripting / src / org / gvsig / scripting / ScriptingExtension.java @ 6877
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package org.gvsig.scripting; |
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import java.io.IOException; |
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import java.net.URLDecoder; |
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import java.util.Hashtable; |
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import java.util.Map; |
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import org.apache.bsf.BSFEngine; |
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import org.apache.bsf.BSFException; |
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import org.apache.bsf.BSFManager; |
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import thinlet.script.ScriptableThinlet; |
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import com.iver.andami.PluginServices; |
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import com.iver.andami.plugins.Extension; |
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import com.iver.andami.ui.mdiManager.IWindow; |
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public class ScriptingExtension extends Extension { |
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private static BSFManager bsfManager; |
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public static final String JAVASCRIPT = ScriptableThinlet.JAVASCRIPT; |
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public static final String BEANSHELL = ScriptableThinlet.BEANSHELL; |
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public static final String JYTHON = ScriptableThinlet.JYTHON; |
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public static final String GROOVY = ScriptableThinlet.GROOVY; |
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private static ScriptingAppAccesor scriptingAppAccesor = null; |
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public static ScriptingAppAccesor getScriptingAppAccesor() { |
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if (scriptingAppAccesor == null) { |
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scriptingAppAccesor =new ScriptingAppAccesor();
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} |
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return scriptingAppAccesor;
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} |
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public static BSFManager getBSFManager() { |
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if(bsfManager == null){ |
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bsfManager = new BSFManager(){
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public BSFEngine loadScriptingEngine(String lang) throws BSFException { |
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// if its already loaded return that
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BSFEngine eng = (BSFEngine) loadedEngines.get(lang); |
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if (eng != null) { |
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return eng;
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} |
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// is it a registered language?
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String engineClassName = (String) registeredEngines.get(lang); |
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if (engineClassName == null) { |
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throw new BSFException(BSFException.REASON_UNKNOWN_LANGUAGE, |
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"unsupported language: " + lang);
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} |
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// create the engine and initialize it. if anything goes wrong
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try {
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Class engineClass = (classLoader == null) |
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? Class.forName(engineClassName)
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: classLoader.loadClass(engineClassName); |
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eng = (BSFEngine) engineClass.newInstance(); |
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eng.initialize(this, lang, declaredBeans);
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loadedEngines.put(lang, eng); |
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pcs.addPropertyChangeListener(eng); |
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return eng;
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} |
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catch (Throwable t) { |
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throw new BSFException(BSFException.REASON_OTHER_ERROR, |
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"unable to load language: " + lang, t);
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} |
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} |
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}; |
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} |
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try {
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bsfManager.declareBean("gvSIG", getScriptingAppAccesor(), ScriptingAppAccesor.class);
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} catch (BSFException e) {
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// TODO Auto-generated catch block
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e.printStackTrace(); |
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} |
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return bsfManager;
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} |
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public void initialize() { |
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// TODO Recivirlo como paramentro
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//this.scriptFileName = "./centerToPoint.xml";
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} |
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public void execute(String actionCommand) { |
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ScriptParams params = new ScriptParams(actionCommand);
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if (params.action() == null) { |
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// FIXME: FALTA mostara error
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return;
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} |
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if (params.action().toLowerCase().equals("show") ) { |
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show(params.getParams()); |
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} else if (params.action().toLowerCase().equals("run") ){ |
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run(params.getParams()); |
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} |
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} |
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public static void run(Map params) { |
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Script script; |
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try {
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script = new Script(params);
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script.run(); |
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} catch (BSFException e) {
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// TODO Auto-generated catch block
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e.printStackTrace(); |
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return;
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} catch (IOException e) { |
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// TODO Auto-generated catch block
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e.printStackTrace(); |
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return;
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} catch (Throwable e) { |
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// TODO Auto-generated catch block
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e.printStackTrace(); |
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} |
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} |
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public static Object show(Map params) { |
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DefaultThinlet.setBSFManager(getBSFManager()); |
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ScriptPanel panel; |
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try {
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panel = new ScriptPanel(params);
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} catch (BSFException e) {
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// TODO Auto-generated catch block
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e.printStackTrace(); |
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return null; |
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} catch (IOException e) { |
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// TODO Auto-generated catch block
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e.printStackTrace(); |
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return null; |
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} |
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IWindow v = PluginServices.getMDIManager().addView(panel); |
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v.getViewInfo().setWidth(v.getViewInfo().getWidth()+1);
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return panel;
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} |
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private ScriptingAppAccesor newAppAccesor() {
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return new ScriptingAppAccesor(); |
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} |
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public boolean isEnabled() { |
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return true; |
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} |
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public boolean isVisible() { |
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return true; |
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} |
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public class ScriptParams { |
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private String paramString; |
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private String action = null; |
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private Hashtable params = null; |
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public ScriptParams(String paramString) { |
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this.paramString = paramString.trim();
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} |
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public Map getParams() { |
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if (this.params == null) { |
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if (!this.parse()) { |
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return null; |
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} |
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} |
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return this.params; |
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} |
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public String action() { |
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if (this.action == null) { |
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if (!this.parse()) { |
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return null; |
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} |
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} |
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return this.action; |
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} |
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private boolean parse() { |
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//transformar este formato: 'show(fileName='./pepe.xml',language='jython',top=11,left=10,width=300,height=300)'
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int primerParentesis = this.paramString.indexOf("("); |
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if (primerParentesis < 1) { |
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// TODO Informar error
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return false; |
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} |
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if (!this.paramString.endsWith(")")) { |
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// TODO Informar error
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return false; |
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} |
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this.action = this.paramString.substring(0,primerParentesis); |
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// Dividimos en 'clave=valor'
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this.params = new Hashtable(); |
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if (primerParentesis+1 == this.paramString.length()-1) { |
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return true; |
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} |
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String[] listaParametros = this.paramString.substring(primerParentesis+1,this.paramString.length()-1).trim().split(","); |
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for (int i=0;i < listaParametros.length; i++) { |
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// Dividimos en clave y valor
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String[] parametroConjunto = listaParametros[i].trim().split("="); |
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if (parametroConjunto.length != 2) { |
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// TODO Informar error
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return false; |
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} |
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String clave = parametroConjunto[0].trim(); |
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String cadenaValor = parametroConjunto[1].trim(); |
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//Intentamos identificar y transformar el valor en un Objeto Java
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Object valor;
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if (cadenaValor.startsWith("'")) { |
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if (cadenaValor.endsWith("'")) { |
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// Recortamos las comillas y descodificamos por si tiene algun caracter escapado
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// FIXME arreglar el deprecated
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valor = URLDecoder.decode(cadenaValor.substring(1,cadenaValor.length()-1)); |
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} else {
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// TODO Informar error
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return false; |
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} |
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} else{
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try {
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// Si contiene el punto decimal intentamos con un Double
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if (cadenaValor.indexOf('.') >= 0) { |
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valor = new Double(cadenaValor); |
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} else {
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// Si no debe ser un Entero
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valor = new Integer(cadenaValor); |
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} |
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} catch (NumberFormatException e) { |
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// No se ha podido transformar
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// TODO Informar error
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return false; |
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} |
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} |
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// A?adimos al Map
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this.params.put(clave,valor);
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} |
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return true; |
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} |
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} |
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} |