itoshkov/MoulderTest.java

## MoulderTest.java
import static moulder.moulds.Moulds.append;
import static moulder.moulds.Moulds.attr;
import static moulder.moulds.Moulds.forEach;
import static moulder.moulds.Moulds.text;
import static moulder.values.Values.seq;

import java.util.Arrays;
import java.util.List;

import moulder.MoulderShop;
import moulder.moulds.SubMoulder;
import moulder.values.SimpleValue;

import org.jsoup.Jsoup;
import org.jsoup.nodes.Document;

public class MoulderTest {
    private static final String HTML = "<html>\n" +
                                       "   <body>\n" +
                                       "      <h1>dummy text to be replaced<span>blah</span></h1>\n" +
                                       "   </body>\n" +
                                       "</html>";

    public static void main(String[] args) {
        System.out.println(usingMulti().toString());
        System.out.println(usingSub().toString());
    }

    private static Document usingMulti() {
        Document doc = Jsoup.parse(HTML);
        MoulderShop m = new MoulderShop();

        List<String> items = Arrays.asList("summer", "autumn", "winter", "spring");

        SimpleValue<String> val = new SimpleValue<String>(null);

        m.register("h1",
                forEach(val, seq(items),
                        text(val),
                        attr("class", seq("even", "odd").cycle()),
                        append("<p>content</p>")));

        m.process(doc);
        return doc;
    }

    private static Document usingSub() {
        Document doc = Jsoup.parse(HTML);
        MoulderShop m = new MoulderShop();

        List<String> items = Arrays.asList("summer", "autumn", "winter", "spring");

        SimpleValue<String> val = new SimpleValue<String>(null);

        final SubMoulder subMoulder = new SubMoulder();
        subMoulder.register("*",
                text(val),
                attr("class", seq("even", "odd").cycle()),
                append("<p>content</p>"));

        m.register("h1",
                forEach(val, seq(items),
                        subMoulder));

        m.process(doc);
        return doc;
    }
}

## output
<html>
 <head></head>
 <body>
  <h1 class="even">summer</h1>
  <p>content</p>
  <h1 class="odd">autumn</h1>
  <p>content</p>
  <h1 class="even">winter</h1>
  <p>content</p>
  <h1 class="odd">spring</h1>
  <p>content</p>
 </body>
</html>
Exception in thread "main" java.lang.IllegalArgumentException: Object must not be null
	at org.jsoup.helper.Validate.notNull(Validate.java:16)
	at org.jsoup.nodes.Node.addSiblingHtml(Node.java:301)
	at org.jsoup.nodes.Node.before(Node.java:256)
	at org.jsoup.nodes.Element.before(Element.java:371)
	at moulder.moulds.SubMoulder.process(SubMoulder.java:73)
	at moulder.moulds.helpers.MouldersApplier.applyMoulder(MouldersApplier.java:16)
	at moulder.moulds.helpers.MouldersApplier.applyMoulders(MouldersApplier.java:29)
	at moulder.moulds.ForEach.process(ForEach.java:37)
	at moulder.moulds.helpers.MouldersApplier.applyMoulder(MouldersApplier.java:16)
	at moulder.moulds.helpers.MouldersApplier.applyMoulders(MouldersApplier.java:29)
	at moulder.moulds.SubMoulder.process(SubMoulder.java:70)
	at moulder.MoulderShop.process(MoulderShop.java:34)
	at com.edamam.test.oauth.bl.MoulderTest.usingSub(MoulderTest.java:67)
	at com.edamam.test.oauth.bl.MoulderTest.main(MoulderTest.java:28)
	import static moulder.moulds.Moulds.append;
	import static moulder.moulds.Moulds.attr;
	import static moulder.moulds.Moulds.forEach;
	import static moulder.moulds.Moulds.text;
	import static moulder.values.Values.seq;

	import java.util.Arrays;
	import java.util.List;

	import moulder.MoulderShop;
	import moulder.moulds.SubMoulder;
	import moulder.values.SimpleValue;

	import org.jsoup.Jsoup;
	import org.jsoup.nodes.Document;

	public class MoulderTest {
	private static final String HTML = "<html>\n" +
	" <body>\n" +
	" <h1>dummy text to be replaced<span>blah</span></h1>\n" +
	" </body>\n" +
	"</html>";

	public static void main(String[] args) {
	System.out.println(usingMulti().toString());
	System.out.println(usingSub().toString());
	}

	private static Document usingMulti() {
	Document doc = Jsoup.parse(HTML);
	MoulderShop m = new MoulderShop();

	List<String> items = Arrays.asList("summer", "autumn", "winter", "spring");

	SimpleValue<String> val = new SimpleValue<String>(null);

	m.register("h1",
	forEach(val, seq(items),
	text(val),
	attr("class", seq("even", "odd").cycle()),
	append("<p>content</p>")));

	m.process(doc);
	return doc;
	}

	private static Document usingSub() {
	Document doc = Jsoup.parse(HTML);
	MoulderShop m = new MoulderShop();

	List<String> items = Arrays.asList("summer", "autumn", "winter", "spring");

	SimpleValue<String> val = new SimpleValue<String>(null);

	final SubMoulder subMoulder = new SubMoulder();
	subMoulder.register("*",
	text(val),
	attr("class", seq("even", "odd").cycle()),
	append("<p>content</p>"));

	m.register("h1",
	forEach(val, seq(items),
	subMoulder));

	m.process(doc);
	return doc;
	}
	}
	<html>
	<head></head>
	<body>
	<h1 class="even">summer</h1>
	<p>content</p>
	<h1 class="odd">autumn</h1>
	<p>content</p>
	<h1 class="even">winter</h1>
	<p>content</p>
	<h1 class="odd">spring</h1>
	<p>content</p>
	</body>
	</html>
	Exception in thread "main" java.lang.IllegalArgumentException: Object must not be null
	at org.jsoup.helper.Validate.notNull(Validate.java:16)
	at org.jsoup.nodes.Node.addSiblingHtml(Node.java:301)
	at org.jsoup.nodes.Node.before(Node.java:256)
	at org.jsoup.nodes.Element.before(Element.java:371)
	at moulder.moulds.SubMoulder.process(SubMoulder.java:73)
	at moulder.moulds.helpers.MouldersApplier.applyMoulder(MouldersApplier.java:16)
	at moulder.moulds.helpers.MouldersApplier.applyMoulders(MouldersApplier.java:29)
	at moulder.moulds.ForEach.process(ForEach.java:37)
	at moulder.moulds.helpers.MouldersApplier.applyMoulder(MouldersApplier.java:16)
	at moulder.moulds.helpers.MouldersApplier.applyMoulders(MouldersApplier.java:29)
	at moulder.moulds.SubMoulder.process(SubMoulder.java:70)
	at moulder.MoulderShop.process(MoulderShop.java:34)
	at com.edamam.test.oauth.bl.MoulderTest.usingSub(MoulderTest.java:67)
	at com.edamam.test.oauth.bl.MoulderTest.main(MoulderTest.java:28)