added some test function

src/de/sfn_kassel/plone_crawler/test/Crawler.java

@@ -0,0 +1,16 @@
+package de.sfn_kassel.plone_crawler.test;
+
+public class Crawler extends Thread{
+	OnTaskQueEmptyListener onTaskQueEmptyListener;
+	OnTaskFinished onTaskFinished;
+
+	public Crawler(OnTaskQueEmptyListener onTaskQueEmptyListener, OnTaskFinished onTaskFinished) {
+		this.onTaskFinished = onTaskFinished;
+		this.onTaskQueEmptyListener = onTaskQueEmptyListener;
+	}
+
+	@Override
+	public void run() {
+
+	}
+}

src/de/sfn_kassel/plone_crawler/test/OnTaskFinished.java

@@ -0,0 +1,5 @@
+package de.sfn_kassel.plone_crawler.test;
+
+public interface OnTaskFinished {
+	public void taskQueEmpty(Page finished);
+}

src/de/sfn_kassel/plone_crawler/test/OnTaskQueEmptyListener.java

@@ -0,0 +1,5 @@
+package de.sfn_kassel.plone_crawler.test;
+
+public interface OnTaskQueEmptyListener {
+	public Page taskQueEmpty();
+}

src/de/sfn_kassel/plone_crawler/test/Page.java

@@ -35,15 +35,15 @@ public void writePage() {
 
 	}
 
-	public URL[] getLinks() {
+	public Page[] getLinks() {
 		String[] raw = content.toString().split("href=\"");
 		for (int i = 0; i < raw.length; i++) {
 			raw[i] = raw[i].split("\"")[0];
 		}
-		URL[] links = new URL[raw.length - 1];
+		Page[] links = new Page[raw.length - 1];
 		for (int i = 0; i < links.length; i++) {
 			try {
-				links[i] = new URL(raw[i + 1]);
+				links[i] = new Page(new URL(raw[i + 1]));
 			} catch (MalformedURLException e) {
 				e.printStackTrace();
 			}

src/de/sfn_kassel/plone_crawler/test/Test.java

@@ -2,10 +2,51 @@
 
 import java.io.IOException;
 import java.net.URL;
+import java.util.ArrayList;
 
 public class Test {
+
+	static ArrayList<Page> futurePages = new ArrayList<>();
+	static ArrayList<Page> donePages = new ArrayList<>();
 
 	public static void main(String[] args) throws IOException {
-		new Page(new URL("http://www.physikclub.de")).loadPage();
+		futurePages.add(new Page(new URL("http://www.phytikclub.de")));
+
+		OnTaskFinished onTaskFinished = new OnTaskFinished() {
+
+			@Override
+			public void taskQueEmpty(Page finished) {
+				synchronized (donePages) {
+					donePages.add(finished);
+				}
+			}
+		};
+
+		OnTaskQueEmptyListener onTaskQueEmptyListener = new OnTaskQueEmptyListener() {
+
+			@Override
+			public Page taskQueEmpty() {
+				synchronized (futurePages) {
+					boolean exsist = false;
+					while (!exsist){
+						try {
+							futurePages.get(0);
+							exsist = true;
+						} catch (ArrayIndexOutOfBoundsException e) {
+
+						}
+					}
+					Page returnPage = futurePages.get(0);
+					futurePages.remove(0);
+					return returnPage;
+				}
+			}
+		};
+
+		for (int i = 0; i < 1; i++) {
+			Crawler c = new Crawler(onTaskQueEmptyListener, onTaskFinished);
+			c.setName("Crawler Thread " + i);
+			c.start();
+		}
 	}
 }