com.redfin.sitemapgenerator.AbstractSitemapGeneratorOptions Maven / Gradle / Ivy

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SitemapGen4j is an XML sitemap generator written in Java.
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package com.redfin.sitemapgenerator;

import java.io.File;
import java.net.URL;

// that weird thing with generics is so sub-classed objects will return themselves
// It makes sense, I swear! http://madbean.com/2004/mb2004-3/
abstract class AbstractSitemapGeneratorOptions> {
	File baseDir;
	String baseUrl;
	String fileNamePrefix = "sitemap";
	boolean allowMultipleSitemaps = true;
	W3CDateFormat dateFormat;
	int maxUrls = SitemapGenerator.MAX_URLS_PER_SITEMAP;
	boolean autoValidate = false;
	boolean gzip = false;
	
	public AbstractSitemapGeneratorOptions(URL baseUrl, File baseDir) {
		if (baseDir == null) throw new NullPointerException("baseDir may not be null");
		if (baseUrl == null) throw new NullPointerException("baseUrl may not be null");
		this.baseDir = baseDir;
		this.baseUrl = baseUrl.toString();
	}
	
	/** The prefix of the name of the sitemaps we'll create; by default this is "sitemap" */
	public THIS fileNamePrefix(String fileNamePrefix) {
		if (fileNamePrefix == null) throw new NullPointerException("fileNamePrefix may not be null");
		this.fileNamePrefix = fileNamePrefix;
		return getThis();
	}
	/** When more than the maximum number of URLs are passed in, should we split into multiple sitemaps automatically, or just throw an exception? */
	public THIS allowMultipleSitemaps(boolean allowMultipleSitemaps) {
		this.allowMultipleSitemaps = allowMultipleSitemaps;
		return getThis();
	}
	/** The date formatter, typically configured with a {@link W3CDateFormat.Pattern} and/or a time zone */
	public THIS dateFormat(W3CDateFormat dateFormat) {
		this.dateFormat = dateFormat;
		return getThis();
	}
	/**
	 * The maximum number of URLs to allow per sitemap; the default is the
	 * maximum allowed (50,000), but you can decrease it if you wish (to make
	 * your auto-generated sitemaps smaller)
	 */
	public THIS maxUrls(int maxUrls) {
		if (maxUrls > SitemapGenerator.MAX_URLS_PER_SITEMAP) {
			throw new RuntimeException("You can only have 50,000 URLs per sitemap; to use more, allowMultipleSitemaps and generate a sitemap index. You asked for " + maxUrls);
		}
		this.maxUrls = maxUrls;
		return getThis();
	}
	/**
	 * Validate the sitemaps automatically after writing them; this takes time (and may fail for Google-specific sitemaps)
	 */
	public THIS autoValidate(boolean autoValidate) {
		this.autoValidate = autoValidate;
		return getThis();
	}
	/** Gzip the sitemaps after they are written to disk */
	public THIS gzip(boolean gzip) {
		this.gzip = gzip;
		return getThis();
	}
	@SuppressWarnings("unchecked")
	THIS getThis() {
		return (THIS)this;
	}
}