/**
* Sencha GXT 3.0.0 - Sencha for GWT
* Copyright(c) 2007-2012, Sencha, Inc.
* licensing@sencha.com
*
* http://www.sencha.com/products/gxt/license/
*/
package com.sencha.gxt.state.rebind;
import java.io.PrintWriter;
import com.google.gwt.core.client.GWT;
import com.google.gwt.core.ext.BadPropertyValueException;
import com.google.gwt.core.ext.Generator;
import com.google.gwt.core.ext.GeneratorContext;
import com.google.gwt.core.ext.TreeLogger;
import com.google.gwt.core.ext.TreeLogger.Type;
import com.google.gwt.core.ext.UnableToCompleteException;
import com.google.gwt.core.ext.typeinfo.JClassType;
import com.google.gwt.core.ext.typeinfo.TypeOracle;
import com.google.gwt.dev.util.Name;
import com.google.gwt.user.rebind.ClassSourceFileComposerFactory;
import com.google.gwt.user.rebind.SourceWriter;
import com.sencha.gxt.state.client.StateManager;
public class StateManagerGenerator extends Generator {
public static final String STATE_MANAGER_ABF = "GXT.state.autoBeanFactory";
@Override
public String generate(TreeLogger logger, GeneratorContext context, String typeName) throws UnableToCompleteException {
TypeOracle oracle = context.getTypeOracle();
JClassType type = oracle.findType(typeName);
JClassType stateMangerType = oracle.findType(Name.getSourceNameForClass(StateManager.class));
if (type == null || type.isClass() == null || !type.isAssignableTo(stateMangerType)) {
logger.log(Type.ERROR, "This generator only can function on StateManager subtypes");
throw new UnableToCompleteException();
}
String abf;
try {
abf = context.getPropertyOracle().getConfigurationProperty(STATE_MANAGER_ABF).getValues().get(0);
} catch (BadPropertyValueException ex) {
logger.log(Type.ERROR, "Could not read property for " + STATE_MANAGER_ABF, ex);
throw new UnableToCompleteException();
}
JClassType abfType = oracle.findType(abf);
if (abfType == null) {
logger.log(Type.ERROR, "Cannot find type " + abf + " in gwt classpath");
throw new UnableToCompleteException();
}
String packageName = abfType.getPackage().getName();
String simpleSourceName = "StateManagerImpl_" + abfType.getName().replace('.', '_');
PrintWriter pw = context.tryCreate(logger, packageName, simpleSourceName);
if (pw == null) {
return packageName + "." + simpleSourceName;
}
ClassSourceFileComposerFactory factory = new ClassSourceFileComposerFactory(packageName, simpleSourceName);
factory.setSuperclass(typeName);
factory.addImport(Name.getSourceNameForClass(GWT.class));
SourceWriter sw = factory.createSourceWriter(context, pw);
sw.println("public %1$s getStateBeanFactory() {", abf);
sw.indentln("return GWT.create(%1$s.class);", abf);
sw.println("}");
sw.commit(logger);
return factory.getCreatedClassName();
}
}