/*
* Copyright (C) 2011 Red Hat, Inc. and/or its affiliates.
*
* 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.codegen;
import org.jboss.errai.codegen.literal.NullLiteral;
import org.jboss.errai.codegen.meta.MetaClass;
import org.jboss.errai.codegen.meta.MetaClassFactory;
import org.mvel2.util.NullType;
import java.util.Arrays;
import java.util.Collections;
import java.util.List;
/**
* @author Mike Brock <cbrock@redhat.com>
* @author Christian Sadilek <csadilek@redhat.com>
*/
public class CallParameters extends AbstractStatement {
private final List<Statement> parameters;
public CallParameters(final List<Statement> parameters) {
this.parameters = parameters;
}
public static CallParameters fromStatements(final Statement... statements) {
return new CallParameters(Arrays.asList(statements));
}
public static CallParameters none() {
return new CallParameters(Collections.<Statement>emptyList());
}
public MetaClass[] getParameterTypes() {
final MetaClass[] parameterTypes = new MetaClass[parameters.size()];
for (int i = 0; i < parameters.size(); i++) {
if (parameters.get(i) instanceof NullLiteral) {
parameterTypes[i] = MetaClassFactory.get(NullType.class);
}
else if ((parameterTypes[i] = parameters.get(i).getType()) == null) {
parameterTypes[i] = MetaClassFactory.get(Object.class);
}
}
return parameterTypes;
}
public List<Statement> getParameters() {
return parameters;
}
@Override
public String generate(final Context context) {
final StringBuilder buf = new StringBuilder("(");
for (int i = 0; i < parameters.size(); i++) {
String parm = parameters.get(i).generate(context).trim();
if (parm.endsWith(";")) {
parm = parm.substring(0, parm.length() - 1);
}
buf.append(parm);
if (i + 1 < parameters.size()) {
buf.append(", ");
}
}
return buf.append(")").toString();
}
}