/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.apache.whirr.service.jclouds;
import com.google.common.collect.Iterables;
import com.google.common.collect.Lists;
import java.util.List;
import org.jclouds.scriptbuilder.ScriptBuilder;
import org.jclouds.scriptbuilder.domain.OsFamily;
import org.jclouds.scriptbuilder.domain.Statement;
public class StatementBuilder implements Statement {
protected List<Statement> statements = Lists.newArrayList();
public void addStatement(Statement statement) {
if (!statements.contains(statement)) {
statements.add(statement);
}
}
public void addStatements(Statement... statements) {
for (Statement statement : statements) {
addStatement(statement);
}
}
@Override
public Iterable<String> functionDependencies(OsFamily family) {
List<String> functions = Lists.newArrayList();
for (Statement statement : statements) {
Iterables.addAll(functions, statement.functionDependencies(family));
}
return functions;
}
@Override
public String render(OsFamily family) {
ScriptBuilder scriptBuilder = new ScriptBuilder();
for (Statement statement : statements) {
scriptBuilder.addStatement(statement);
}
return scriptBuilder.render(family);
}
}