/*
* Copyright 2013, The gwtquery team.
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may not
* use this file except in compliance with the License. You may obtain a copy of
* the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations under
* the License.
*/
package com.google.gwt.query.rebind;
import java.io.PrintWriter;
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.PropertyOracle;
import com.google.gwt.core.ext.TreeLogger;
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.user.rebind.ClassSourceFileComposerFactory;
import com.google.gwt.user.rebind.SourceWriter;
/**
* Creates an implementation for {@link Browser}
*/
public class BrowserGenerator extends Generator {
@Override
public String generate(TreeLogger logger, GeneratorContext context, String typeName) throws UnableToCompleteException {
TypeOracle oracle = context.getTypeOracle();
PropertyOracle propOracle = context.getPropertyOracle();
String ua = null;
try {
ua = propOracle.getSelectionProperty(logger, "user.agent").getCurrentValue();
} catch (BadPropertyValueException e) {
logger.log(TreeLogger.ERROR, "Can not resolve user.agent property", e);
throw new UnableToCompleteException();
}
JClassType clz = oracle.findType(typeName);
String pName = clz.getPackage().getName();
String cName = clz.getName() + "_" + ua;
PrintWriter pWriter = context.tryCreate(logger, pName, cName);
if (pWriter != null) {
ClassSourceFileComposerFactory cFact = new ClassSourceFileComposerFactory(pName, cName);
cFact.setSuperclass(pName + "." + clz.getName());
SourceWriter writer = cFact.createSourceWriter(context, pWriter);
writer.println("protected boolean isWebkit() {return " + "safari".equals(ua) + ";}");
writer.println("protected boolean isSafari() {return " + "safari".equals(ua) + ";}");
writer.println("protected boolean isOpera() {return " + "opera".equals(ua) + ";}");
writer.println("protected boolean isMozilla() {return " + ua.contains("gecko") + ";}");
writer.println("protected boolean isMsie() {return " + ua.contains("ie") + ";}");
writer.println("protected boolean isIe6() {return " + "ie6".equals(ua) + ";}");
writer.println("protected boolean isIe8() {return " + "ie8".equals(ua) + ";}");
writer.println("protected boolean isIe9() {return " + "ie9".equals(ua) + ";}");
writer.println("public String toString() {return \"Browser:\"" +
" + \" webkit=\" + webkit" +
" + \" mozilla=\" + mozilla" +
" + \" opera=\" + opera" +
" + \" msie=\" + msie" +
" + \" ie6=\" + ie6" +
" + \" ie8=\" + ie8" +
" + \" ie9=\" + ie9" +
";}");
writer.commit(logger);
}
return pName + "." + cName;
}
}