Example usage for com.fasterxml.jackson.core.util DefaultIndenter SYS_LF

Introduction

In this page you can find the example usage for com.fasterxml.jackson.core.util DefaultIndenter SYS_LF.

Prototype

String SYS_LF

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Usage

From source file:com.amazon.feeds.SampleFeedGenerator.java

/**
 * The method for generating sample feeds.
 *
 * @param format The class containing the format specifications.
 * @param items The number of items to generate.
 * @param ext File extension./*from  w  w  w. j a va 2  s.  co m*/
 */
public void createSampleFeed(IFeedFormat format, int items, String ext) throws Exception {

    ObjectMapper mapper = new ObjectMapper();
    mapper.setSerializationInclusion(JsonInclude.Include.NON_NULL);

    mapper.getFactory().setCharacterEscapes(format.getEscapeRules());

    // create output file
    String out = format.getFeedFormat() + "-" + items + "." + ext;
    // TODO: add XML support

    File outFile = new File(SAMPLE_PATH, out);
    if (!outFile.exists()) {
        outFile.getParentFile().mkdirs();
    }

    // populate sample feed
    System.out.println("Generating " + items + (items == 1 ? " item" : " items") + " for "
            + format.getProvider() + " feed at " + outFile.getAbsolutePath());
    format.populate(items);

    // write JSON to file
    if (format.usePrettyPrint()) {

        DefaultPrettyPrinter.Indenter indenter = new DefaultIndenter("   ", DefaultIndenter.SYS_LF);
        DefaultPrettyPrinter printer = new DefaultPrettyPrinter();
        printer.indentObjectsWith(indenter);
        printer.indentArraysWith(indenter);
        mapper.writer(printer).writeValue(outFile, format);
    } else {
        mapper.writeValue(outFile, format);
    }
}

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