jawher/MouldersChainingAndValues.java

## MouldersChainingAndValues.java
package jawher.moulder.examples;

import static jawher.moulder.moulds.Moulds.*;

import java.util.Arrays;

import org.jsoup.Jsoup;
import org.jsoup.nodes.Document;
import org.junit.Before;
import org.junit.Test;

import jawher.moulder.MoulderShop;
import jawher.moulder.values.ElementDataValue;
import jawher.moulder.values.HtmlValue;
import jawher.moulder.values.ValueTransformer;
import jawher.moulder.values.Values;

public class MouldersChainingAndValues {
	private static final String HTML = "<html><body><h1>[...]</h1></body></html>";

	@Before
	public void before() {
		System.out.println("\n----------------\n");
	}

	/**
	 * Shows how to chain moulders to achieve complex transformations on
	 * elements. Output:
	 *
	 * <pre>
	 * <code>
	 * <html>
	 *  <head>
	 *  </head>
	 *  <body>
	 *   <h1 class="title">title's text</h1>
	 *   <p>content</p>
	 *   <h1 class="title">title's text</h1>
	 *   <p>content</p>
	 *   <h1 class="title">title's text</h1>
	 *   <p>content</p>
	 *   <h1 class="title">title's text</h1>
	 *   <p>content</p>
	 *  </body>
	 * </html>
	 * </code>
	 * </pre>
	 *
	 * @throws Exception
	 */
	@Test
	public void testChaining() throws Exception {
		Document doc = Jsoup.parse(HTML);
		MoulderShop m = new MoulderShop();

		m.register("h1",
				repeat(Arrays.asList("Spring", "Summer", "Autumn", "Winter")),
				attr("class", "title"), text("title's text"),
				append("<p>content</p>"));

		m.process(doc);

		System.out.println(doc);
	}

	/**
	 * Shows how to a moulder can pass values between each other and how to
	 * values can be used to control the moulders behaviour. Output:
	 *
	 * <pre>
	 * <code>
	 * <html>
	 *  <head>
	 *  </head>
	 *  <body>
	 *   <h1 class="even">Spring</h1>
	 *   <p>Season: <em>Spring</em></p>
	 *   <h1 class="odd">Summer</h1>
	 *   <p>Season: <em>Summer</em></p>
	 *   <h1 class="even">Autumn</h1>
	 *   <p>Season: <em>Autumn</em></p>
	 *   <h1 class="odd">Winter</h1>
	 *   <p>Season: <em>Winter</em></p>
	 *  </body>
	 * </html>
	 * </code>
	 * </pre>
	 *
	 * @throws Exception
	 */
	@Test
	public void testValues() throws Exception {
		Document doc = Jsoup.parse(HTML);
		MoulderShop m = new MoulderShop();

		m.register("h1", repeat(Arrays.asList("Spring", "Summer", "Autumn",
				"Winter")),
				attr("class", new Values<String>("even", "odd").cycle()),
				text(new ElementDataValue<String>()), append(new HtmlValue(
						new ValueTransformer<String, String>(
								new ElementDataValue<String>()) {

							@Override
							protected String transform(String s) {
								return "<p>Season: <em>" + s + "</em></p>";
							}
						})));

		m.process(doc);

		System.out.println(doc);
	}
}
	package jawher.moulder.examples;

	import static jawher.moulder.moulds.Moulds.*;

	import java.util.Arrays;

	import org.jsoup.Jsoup;
	import org.jsoup.nodes.Document;
	import org.junit.Before;
	import org.junit.Test;

	import jawher.moulder.MoulderShop;
	import jawher.moulder.values.ElementDataValue;
	import jawher.moulder.values.HtmlValue;
	import jawher.moulder.values.ValueTransformer;
	import jawher.moulder.values.Values;

	public class MouldersChainingAndValues {
	private static final String HTML = "<html><body><h1>[...]</h1></body></html>";

	@Before
	public void before() {
	System.out.println("\n----------------\n");
	}

	/**
	* Shows how to chain moulders to achieve complex transformations on
	* elements. Output:
	*
	* <pre>
	* <code>
	* <html>
	* <head>
	* </head>
	* <body>
	* <h1 class="title">title's text</h1>
	* <p>content</p>
	* <h1 class="title">title's text</h1>
	* <p>content</p>
	* <h1 class="title">title's text</h1>
	* <p>content</p>
	* <h1 class="title">title's text</h1>
	* <p>content</p>
	* </body>
	* </html>
	* </code>
	* </pre>
	*
	* @throws Exception
	*/
	@Test
	public void testChaining() throws Exception {
	Document doc = Jsoup.parse(HTML);
	MoulderShop m = new MoulderShop();

	m.register("h1",
	repeat(Arrays.asList("Spring", "Summer", "Autumn", "Winter")),
	attr("class", "title"), text("title's text"),
	append("<p>content</p>"));

	m.process(doc);

	System.out.println(doc);
	}

	/**
	* Shows how to a moulder can pass values between each other and how to
	* values can be used to control the moulders behaviour. Output:
	*
	* <pre>
	* <code>
	* <html>
	* <head>
	* </head>
	* <body>
	* <h1 class="even">Spring</h1>
	* <p>Season: <em>Spring</em></p>
	* <h1 class="odd">Summer</h1>
	* <p>Season: <em>Summer</em></p>
	* <h1 class="even">Autumn</h1>
	* <p>Season: <em>Autumn</em></p>
	* <h1 class="odd">Winter</h1>
	* <p>Season: <em>Winter</em></p>
	* </body>
	* </html>
	* </code>
	* </pre>
	*
	* @throws Exception
	*/
	@Test
	public void testValues() throws Exception {
	Document doc = Jsoup.parse(HTML);
	MoulderShop m = new MoulderShop();

	m.register("h1", repeat(Arrays.asList("Spring", "Summer", "Autumn",
	"Winter")),
	attr("class", new Values<String>("even", "odd").cycle()),
	text(new ElementDataValue<String>()), append(new HtmlValue(
	new ValueTransformer<String, String>(
	new ElementDataValue<String>()) {

	@Override
	protected String transform(String s) {
	return "<p>Season: <em>" + s + "</em></p>";
	}
	})));

	m.process(doc);

	System.out.println(doc);
	}
	}