br.com.danielferber.ilogtoys.dados.DataSinkStringBuilder.java Source code

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Here is the source code for br.com.danielferber.ilogtoys.dados.DataSinkStringBuilder.java

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/*
 * Copyright 2012 Daniel Felix Ferber
 *
 * 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 br.com.danielferber.ilogtoys.dados;

import static infra.exception.Assert.Argument;
import ilog.opl.IloOplModel;

import java.io.IOException;
import java.io.OutputStream;
import java.io.StringWriter;
import java.util.Collection;
import java.util.EnumSet;
import java.util.regex.Pattern;
import org.apache.commons.io.output.WriterOutputStream;

/**
 * Utiliza um {@link StringBuilder} como consumidor de dados para o OPL.
 * Esta  a nica forma de obter os dados como String: atravs de um {@link StringBuilder} previamente criado
 * e que ser utilizado depois para gerar a String.
 */
public class DataSinkStringBuilder extends AbstractDataSinkStream {
    private final StringBuilder stringBuilder;

    public DataSinkStringBuilder(String nome, StringBuilder sb, Collection<Pattern> includePattern,
            Collection<Pattern> excludePattern, EnumSet<Filtro> filtro) {
        super(nome, includePattern, excludePattern, filtro);
        Argument.notNull(sb);
        this.stringBuilder = sb;
    }

    public DataSinkStringBuilder(String nome, StringBuilder sb) {
        this(nome, sb, null, null, null);
    }

    @Override
    public void consumeData(IloOplModel oplModel) throws IOException {
        StringWriter sw = new StringWriter();
        OutputStream os = new WriterOutputStream(sw);
        super.exportarStream(oplModel, os);
        stringBuilder.append(sw.getBuffer());
    }
}