001/*
002 * (C) Copyright 2018 Nuxeo (http://nuxeo.com/) and others.
003 *
004 * Licensed under the Apache License, Version 2.0 (the "License");
005 * you may not use this file except in compliance with the License.
006 * You may obtain a copy of the License at
007 *
008 *     http://www.apache.org/licenses/LICENSE-2.0
009 *
010 * Unless required by applicable law or agreed to in writing, software
011 * distributed under the License is distributed on an "AS IS" BASIS,
012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 * See the License for the specific language governing permissions and
014 * limitations under the License.
015 *
016 * Contributors:
017 *     Funsho David
018 */
019
020package org.nuxeo.ecm.core.io.marshallers.csv;
021
022import java.io.IOException;
023import java.io.OutputStream;
024
025import org.apache.commons.csv.CSVPrinter;
026import org.apache.commons.io.output.AppendableOutputStream;
027
028/**
029 * Wrapper for {@link CSVPrinter}.
030 *
031 * @since 10.3
032 */
033public class OutputStreamWithCSVWriter extends OutputStream {
034
035    protected AppendableOutputStream<Appendable> out;
036
037    protected CSVPrinter csvPrinter;
038
039    public OutputStreamWithCSVWriter() {
040        super();
041    }
042
043    public OutputStreamWithCSVWriter(CSVPrinter csvPrinter) {
044        super();
045        setCSVPrinter(csvPrinter);
046    }
047
048    public void setCSVPrinter(CSVPrinter csvPrinter) {
049        this.csvPrinter = csvPrinter;
050        out = new AppendableOutputStream<>(csvPrinter.getOut());
051    }
052
053    @Override
054    public void write(int i) throws IOException {
055        out.write(i);
056    }
057
058    @Override
059    public void write(byte[] b) throws IOException {
060        out.write(b);
061    }
062
063    @Override
064    public void write(byte[] b, int off, int len) throws IOException {
065        out.write(b, off, len);
066    }
067
068    @Override
069    public void flush() throws IOException {
070        out.flush();
071    }
072
073    @Override
074    public void close() throws IOException {
075        out.close();
076    }
077
078    /**
079     * Returns the wrapped CSV printer.
080     *
081     * @return the CSV printer
082     */
083    public CSVPrinter getCsvPrinter() {
084        return csvPrinter;
085    }
086
087    @Override
088    public String toString() {
089        return out.getAppendable().toString();
090    }
091}