/*
* Copyright 2011 JBoss, a divison Red Hat, Inc
*
* 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 org.jboss.errai.ioc.rebind.ioc.codegen.builder.callstack;
import org.jboss.errai.ioc.rebind.ioc.codegen.Context;
import org.jboss.errai.ioc.rebind.ioc.codegen.Statement;
import org.jboss.errai.ioc.rebind.ioc.codegen.VariableReference;
import org.jboss.errai.ioc.rebind.ioc.codegen.exception.UndefinedFieldException;
import org.jboss.errai.ioc.rebind.ioc.codegen.meta.MetaClass;
import org.jboss.errai.ioc.rebind.ioc.codegen.meta.MetaField;
/**
* @author Mike Brock <cbrock@redhat.com>
*/
public class LoadField extends AbstractCallElement {
private String fieldName;
public LoadField(String fieldName) {
this.fieldName = fieldName;
}
@Override
public void handleCall(final CallWriter writer, final Context context, Statement statement) {
final MetaField field = statement.getType().getField(fieldName);
if (field == null) {
throw new UndefinedFieldException(fieldName, statement.getType());
}
final String currCallString = writer.getCallString();
writer.reset();
statement = new VariableReference() {
@Override
public String getName() {
return field.getName();
}
@Override
public Statement getValue() {
return null;
}
@Override
public String generate(Context context) {
return currCallString + "." + getName();
}
@Override
public MetaClass getType() {
return field.getType();
}
};
nextOrReturn(writer, context, statement);
}
}