/*
* 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.meta.MetaClass;
import org.jboss.errai.codegen.meta.MetaMethod;
import org.jboss.errai.codegen.meta.MetaParameter;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;
import java.util.List;
/**
* @author Mike Brock <cbrock@redhat.com>
*/
public class DefParameters extends AbstractStatement {
private final List<Parameter> parameters;
private DefParameters(final List<Parameter> parameters) {
this.parameters = parameters;
}
public static DefParameters from(final MetaMethod method) {
final List<Parameter> parameters = new ArrayList<Parameter>();
int i = 0;
for (final MetaParameter parm : method.getParameters()) {
parameters.add(Parameter.of(parm.getType(), "a" + i++));
}
return new DefParameters(parameters);
}
public static DefParameters from(final MetaMethod method, final Parameter... parms) {
final List<Parameter> parameters = new ArrayList<Parameter>();
int i = 0;
for (final MetaParameter parm : method.getParameters()) {
parameters.add(Parameter.of(parm.getType(), parms[i].getName(), parms[i++].isFinal()));
}
return new DefParameters(parameters);
}
public static DefParameters fromParameters(final List<Parameter> statements) {
return new DefParameters(statements);
}
public static DefParameters fromParameters(final Parameter... statements) {
return new DefParameters(Arrays.asList(statements));
}
public static DefParameters fromTypeArray(final MetaClass... types) {
return fromTypeArray("a", types);
}
public static DefParameters fromTypeArray(final String prefix, final MetaClass... types) {
final List<Parameter> parms = new ArrayList<Parameter>();
int idx = 0;
for (final MetaClass metaClass : types) {
parms.add(Parameter.of(metaClass, prefix + idx++));
}
return new DefParameters(parms);
}
public static DefParameters of(final Parameter... parms) {
return new DefParameters(Arrays.asList(parms));
}
public static DefParameters none() {
return new DefParameters(Collections.<Parameter>emptyList());
}
public List<Parameter> getParameters() {
return parameters;
}
@Override
public String generate(final Context context) {
final StringBuilder buf = new StringBuilder("(");
for (int i = 0; i < parameters.size(); i++) {
buf.append(parameters.get(i).generate(context));
if (i + 1 < parameters.size()) {
buf.append(", ");
}
}
return buf.append(")").toString();
}
@Override
public String toString() {
final StringBuilder buf = new StringBuilder("(");
for (int i = 0; i < parameters.size(); i++) {
buf.append(parameters.get(i).getType().getFullyQualifiedName())
.append(' ').append(parameters.get(i).getName());
if (i + 1 < parameters.size()) {
buf.append(", ");
}
}
return buf.append(")").toString();
}
}