com.fredhopper.core.connector.index.generate.writer.ProductCsvWriter.java Source code

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Here is the source code for com.fredhopper.core.connector.index.generate.writer.ProductCsvWriter.java

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/*******************************************************************************
 * Copyright 2016 Fredhopper B.V.
 *
 * 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 com.fredhopper.core.connector.index.generate.writer;

import java.io.File;
import java.io.IOException;
import java.util.List;
import java.util.Locale;
import java.util.Map;
import java.util.Map.Entry;
import java.util.Set;

import org.apache.commons.collections4.MapUtils;

import com.fredhopper.core.connector.index.generate.data.FhProductData;
import com.google.common.base.Preconditions;

public class ProductCsvWriter extends AbstractCsvWriter<FhProductData> {

    public ProductCsvWriter(final File parentDir, final String filename, final List<String> columns)
            throws IOException {
        super(parentDir, filename, columns);
    }

    @Override
    public void print(final FhProductData source) throws IOException {
        Preconditions.checkArgument(source != null);
        Preconditions.checkArgument(!MapUtils.isEmpty(source.getCategories()));

        final Map<Locale, Set<String>> categories = source.getCategories();

        for (final Entry<Locale, Set<String>> entry : categories.entrySet()) {
            final Set<String> categoriesSet = source.getCategories().get(entry.getKey());
            printLine(source.getProductId(), entry.getKey().toString(), buildCategoriesString(categoriesSet));
        }
    }

    protected String buildCategoriesString(final Set<String> categoryIds) {

        final StringBuilder builder = new StringBuilder();
        for (final String categoryId : categoryIds) {
            builder.append(categoryId).append(' ');
        }
        return builder.toString().trim();
    }

}