From 9c3ff77d8f76b23bb58a58bcc993d55c08d34130 Mon Sep 17 00:00:00 2001
From: eugenp <hanriseldon@gmail.com>
Date: Tue, 10 Jun 2014 17:08:29 +0300
Subject: [PATCH] minor java testing work

---
 .../JavaCollectionCleanupUnitTest.java        | 53 +++++++++++++++++
 spring-security-rest/pom.xml                  | 58 +++++++++++++------
 2 files changed, 94 insertions(+), 17 deletions(-)
 create mode 100644 core-java/src/test/java/org/baeldung/java/collections/JavaCollectionCleanupUnitTest.java

diff --git a/core-java/src/test/java/org/baeldung/java/collections/JavaCollectionCleanupUnitTest.java b/core-java/src/test/java/org/baeldung/java/collections/JavaCollectionCleanupUnitTest.java
new file mode 100644
index 0000000000..70befc6c19
--- /dev/null
+++ b/core-java/src/test/java/org/baeldung/java/collections/JavaCollectionCleanupUnitTest.java
@@ -0,0 +1,53 @@
+package org.baeldung.java.collections;
+
+import static org.hamcrest.Matchers.hasSize;
+import static org.junit.Assert.assertThat;
+
+import java.util.List;
+
+import org.apache.commons.collections4.CollectionUtils;
+import org.apache.commons.collections4.PredicateUtils;
+import org.junit.Test;
+
+import com.google.common.base.Predicates;
+import com.google.common.collect.Iterables;
+import com.google.common.collect.Lists;
+
+public class JavaCollectionCleanupUnitTest {
+
+    // removing nulls
+
+    @Test
+    public final void givenListContainsNulls_whenRemovingNullsWithPlainJava_thenCorrect() {
+        final List<Integer> list = Lists.newArrayList(null, 1, null);
+        while (list.remove(null))
+            ;
+
+        assertThat(list, hasSize(1));
+    }
+
+    @Test
+    public final void givenListContainsNulls_whenRemovingNullsWithGuavaV1_thenCorrect() {
+        final List<Integer> listWithNulls = Lists.newArrayList(null, 1, null);
+        Iterables.removeIf(listWithNulls, Predicates.isNull());
+
+        assertThat(listWithNulls, hasSize(1));
+    }
+
+    @Test
+    public final void givenListContainsNulls_whenRemovingNullsWithGuavaV2_thenCorrect() {
+        final List<Integer> listWithNulls = Lists.newArrayList(null, 1, null, 2, 3);
+        final List<Integer> listWithoutNulls = Lists.newArrayList(Iterables.filter(listWithNulls, Predicates.notNull()));
+
+        assertThat(listWithoutNulls, hasSize(3));
+    }
+
+    @Test
+    public final void givenListContainsNulls_whenRemovingNullsWithCommonsCollections_thenCorrect() {
+        final List<Integer> list = Lists.newArrayList(null, 1, 2, null, 3, null);
+        CollectionUtils.filter(list, PredicateUtils.notNullPredicate());
+
+        assertThat(list, hasSize(3));
+    }
+
+}
diff --git a/spring-security-rest/pom.xml b/spring-security-rest/pom.xml
index 5e1048071b..27e629e363 100644
--- a/spring-security-rest/pom.xml
+++ b/spring-security-rest/pom.xml
@@ -30,10 +30,10 @@
 			<artifactId>spring-core</artifactId>
 			<version>${org.springframework.version}</version>
 			<exclusions>
-			    <exclusion>
-			        <artifactId>commons-logging</artifactId>
-			        <groupId>commons-logging</groupId>
-			    </exclusion>
+				<exclusion>
+					<artifactId>commons-logging</artifactId>
+					<groupId>commons-logging</groupId>
+				</exclusion>
 			</exclusions>
 		</dependency>
 		<dependency>
@@ -93,7 +93,7 @@
 			<version>1.2</version>
 			<scope>runtime</scope>
 		</dependency>
-		
+
 		<!-- marshalling -->
 
 		<dependency>
@@ -101,7 +101,7 @@
 			<artifactId>jackson-databind</artifactId>
 			<version>2.2.2</version>
 		</dependency>
-		
+
 		<!-- util -->
 
 		<dependency>
@@ -114,7 +114,31 @@
 			<artifactId>commons-lang3</artifactId>
 			<version>3.1</version>
 		</dependency>
+		<!-- logging -->
 
+		<dependency>
+			<groupId>org.slf4j</groupId>
+			<artifactId>slf4j-api</artifactId>
+			<version>${org.slf4j.version}</version>
+		</dependency>
+		<dependency>
+			<groupId>ch.qos.logback</groupId>
+			<artifactId>logback-classic</artifactId>
+			<version>${logback.version}</version>
+			<!-- <scope>runtime</scope> -->
+		</dependency>
+		<dependency>
+			<groupId>org.slf4j</groupId>
+			<artifactId>jcl-over-slf4j</artifactId>
+			<version>${org.slf4j.version}</version>
+			<!-- <scope>runtime</scope> --> <!-- some spring dependencies need to compile against jcl -->
+		</dependency>
+		<dependency> <!-- needed to bridge to slf4j for projects that use the log4j APIs directly -->
+			<groupId>org.slf4j</groupId>
+			<artifactId>log4j-over-slf4j</artifactId>
+			<version>${org.slf4j.version}</version>
+		</dependency>
+		
 		<!-- test scoped -->
 
 		<dependency>
@@ -157,16 +181,16 @@
 
 		<plugins>
 
-            <plugin>
-                <groupId>org.apache.maven.plugins</groupId>
-                <artifactId>maven-compiler-plugin</artifactId>
-                <version>3.1</version>
-                <configuration>
-                    <source>1.7</source>
-                    <target>1.7</target>
-                </configuration>
-            </plugin>
-            
+			<plugin>
+				<groupId>org.apache.maven.plugins</groupId>
+				<artifactId>maven-compiler-plugin</artifactId>
+				<version>3.1</version>
+				<configuration>
+					<source>1.7</source>
+					<target>1.7</target>
+				</configuration>
+			</plugin>
+
 			<plugin>
 				<groupId>org.apache.maven.plugins</groupId>
 				<artifactId>maven-war-plugin</artifactId>
@@ -247,7 +271,7 @@
 		<maven-war-plugin.version>2.4</maven-war-plugin.version>
 		<maven-surefire-plugin.version>2.17</maven-surefire-plugin.version>
 		<cargo-maven2-plugin.version>1.4.8</cargo-maven2-plugin.version>
-		
+
 	</properties>
 
 </project>
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