add default config

src/main/java/org/wltea/analyzer/lucene/IKAnalyzer.java

@@ -28,6 +28,7 @@ import java.io.Reader;
 
 import org.apache.lucene.analysis.Analyzer;
 import org.apache.lucene.analysis.Tokenizer;
+import org.elasticsearch.common.settings.ImmutableSettings;
 import org.elasticsearch.common.settings.Settings;
 import org.elasticsearch.env.Environment;
 
@@ -66,8 +67,8 @@ public final class IKAnalyzer extends Analyzer{
 		this.useSmart = useSmart;
 	}
 
-    Settings settings;
-    Environment environment;
+    Settings settings=ImmutableSettings.EMPTY;
+    Environment environment=new Environment();
 
     public IKAnalyzer(Settings indexSetting,Settings settings, Environment environment) {
         super();

src/main/java/org/wltea/analyzer/sample/IKAnalzyerDemo.java

@@ -49,7 +49,8 @@ public class IKAnalzyerDemo {
 		//获取Lucene的TokenStream对象
 	    TokenStream ts = null;
 		try {
-			ts = analyzer.tokenStream("myfield", new StringReader("这是一个中文分词的例子，你可以直接运行它！IKAnalyer can analysis english text too"));
+			ts = analyzer.tokenStream("myfield", new StringReader("WORLD ,.. html DATA</html>HELLO"));
+//			ts = analyzer.tokenStream("myfield", new StringReader("这是一个中文分词的例子，你可以直接运行它！IKAnalyer can analysis english text too"));
 			//获取词元位置属性
 		    OffsetAttribute  offset = ts.addAttribute(OffsetAttribute.class); 
 		    //获取词元文本属性