org.jasig.ssp.util.importer.job.csv.RawItemFlatFileHeaderCallback.java Source code

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Here is the source code for org.jasig.ssp.util.importer.job.csv.RawItemFlatFileHeaderCallback.java

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/**
 * Licensed to Jasig under one or more contributor license
 * agreements. See the NOTICE file distributed with this work
 * for additional information regarding copyright ownership.
 * Jasig 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.jasig.ssp.util.importer.job.csv;

import java.io.IOException;
import java.io.Writer;

import org.apache.commons.lang3.StringUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.batch.item.file.FlatFileHeaderCallback;
import org.springframework.batch.item.file.transform.DelimitedLineTokenizer;

public class RawItemFlatFileHeaderCallback implements FlatFileHeaderCallback {

    private static final Logger logger = LoggerFactory.getLogger(RawItemFlatFileHeaderCallback.class);

    String[] columnNames;
    private String delimiter = DelimitedLineTokenizer.DELIMITER_COMMA;

    public RawItemFlatFileHeaderCallback() {
        super();
    }

    @Override
    public void writeHeader(Writer writer) throws IOException {
        StringBuffer header = new StringBuffer();

        if (columnNames == null) {
            logger.error("Column names not found");
            throw new IOException("Unable to write table, column names not found");
        }

        for (String columnName : columnNames) {
            header.append(columnName).append(delimiter);
        }

        writer.write(StringUtils.chop(header.toString()));
    }

    public void setColumnNames(String[] columnNames) {
        this.columnNames = columnNames;
    }

    public void setDelimiter(String delimiter) {
        this.delimiter = delimiter;
    }
}