NTA-89: Add a keyword filter

https://issues.jboss.org/browse/NTA-89

core/src/main/java/io/narayana/nta/Configuration.java

@@ -22,6 +22,7 @@
 
 package io.narayana.nta;
 
+import io.narayana.nta.logparsing.as8.filters.KeywordFilter;
 import io.narayana.nta.logparsing.as8.filters.PackageFilter;
 import io.narayana.nta.logparsing.as8.handlers.*;
 
@@ -80,6 +81,7 @@ public final class Configuration {
 
     public static final Class[] LOG_FILTERS = new Class[]{
             PackageFilter.class,
+            KeywordFilter.class,
     };
 
     /**

core/src/main/java/io/narayana/nta/logparsing/as8/filters/GetFilterKeywords.java

@@ -0,0 +1,39 @@
+package io.narayana.nta.logparsing.as8.filters;
+
+import java.io.FileNotFoundException;
+import java.io.IOException;
+import java.io.InputStream;
+import java.util.Properties;
+
+public class GetFilterKeywords {
+
+	InputStream inputStream;
+	String filterKeywords;
+
+	public String getPropValues() {
+
+		try {
+			Properties prop = new Properties();
+
+			String propFileName = "filter.properties";			
+			inputStream = getClass().getClassLoader().getResourceAsStream(propFileName);
+
+			if (inputStream != null) {
+				prop.load(inputStream);
+			} else {
+				throw new FileNotFoundException("property file '" + propFileName + "' not found in the classpath");
+			}	
+
+			filterKeywords = prop.getProperty("keywords");
+
+		} catch (Exception e) {
+			System.out.println("Exception: " + e);
+		} finally {
+			try {
+				inputStream.close();
+			} catch (IOException e){	
+			}
+		}
+		return filterKeywords;
+	}
+}

core/src/main/java/io/narayana/nta/logparsing/as8/filters/KeywordFilter.java

@@ -0,0 +1,51 @@
+/*
+ * JBoss, Home of Professional Open Source.
+ * Copyright 2016, Red Hat, Inc., and individual contributors
+ * as indicated by the @author tags. See the copyright.txt file in the
+ * distribution for a full listing of individual contributors.
+ *
+ * This is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU Lesser General Public License as
+ * published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This software is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this software; if not, write to the Free
+ * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
+ * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
+ */
+
+package io.narayana.nta.logparsing.as8.filters;
+
+import io.narayana.nta.logparsing.common.Filter;
+
+/**
+ * @author huyuan
+ *
+ */
+public class KeywordFilter implements Filter{
+
+	GetFilterKeywords filterKeywords = new GetFilterKeywords();	
+
+    @Override
+    public boolean matches(String line) throws IndexOutOfBoundsException{
+
+    	String keywordList = filterKeywords.getPropValues();
+    	String[] keywords = keywordList.split(",");
+
+        try {
+        	for (int i = 0; i < keywords.length; i++){
+    			if(line.indexOf(keywords[i]) != -1)
+    					return true;
+    		}
+        	return false;
+        } catch (IndexOutOfBoundsException e) {
+            return false;
+        }
+    }
+}

core/src/main/resources/filter.properties

@@ -0,0 +1 @@
+keywords=TransactionImple,Periodic Recovery,TransactionSynchronizationRegistryImple

core/src/test/java/io/narayana/nta/test/HandlerServiceTest.java

@@ -79,6 +79,7 @@ public static WebArchive createDeployment() {
                 .addAsWebInfResource(new FileAsset(new File("src/test/resources/persistence.xml")),
                         "classes/META-INF/persistence.xml")
                 .addAsManifestResource(new FileAsset(new File("src/test/resources/nta-test-ds.xml")), "nta-test-ds.xml")
+                .addAsManifestResource(new FileAsset(new File("src/test/resources/filter.properties")), "filter.properties")
                 .addAsLibraries(libs)
                 .setManifest(new StringAsset(ManifestMF));
     }

core/src/test/resources/filter.properties

@@ -0,0 +1 @@
+keywords=TransactionImple,Periodic Recovery,TransactionSynchronizationRegistryImple