Remove unneeded dependencies, incl Guava

Fixes https://github.com/spring-projects/spring-shell/issues/95

build.gradle

@@ -44,7 +44,6 @@ dependencies {
     compile "org.springframework:spring-core:$springVersion"
     compile "org.springframework:spring-context-support:$springVersion"
     compile "commons-io:commons-io:$commonsioVersion"
-    compile "com.google.guava:guava:$guavaVersion"
     compile "jline:jline:$jlineVersion"
 
     
@@ -52,7 +51,6 @@ dependencies {
     testCompile "junit:junit:$junitVersion"
     testCompile "org.mockito:mockito-core:$mockitoVersion"
     testCompile "org.hamcrest:hamcrest-library:$hamcrestVersion"
-    testCompile "uk.co.modular-it:hamcrest-date:$hamcrestDateVersion"
 }
 
 sourceCompatibility = 1.6

gradle.properties

@@ -1,5 +1,4 @@
 slf4jVersion=1.7.13
-guavaVersion=17.0
 jlineVersion=2.12
 junitVersion=4.12
 springVersion=4.2.4.RELEASE
@@ -7,4 +6,3 @@ commonsioVersion=2.4
 hamcrestVersion=1.3
 version=1.2.1.BUILD-SNAPSHOT
 mockitoVersion=1.10.19
-hamcrestDateVersion=0.9.3

src/main/java/org/springframework/shell/support/table/TableRenderer.java

@@ -16,12 +16,11 @@
 
 package org.springframework.shell.support.table;
 
+import java.util.ArrayList;
 import java.util.List;
 import java.util.Map;
 import java.util.Map.Entry;
 
-import com.google.common.base.Splitter;
-
 import org.springframework.shell.support.util.StringUtils;
 
 /**
@@ -164,8 +163,7 @@ public final class TableRenderer {
 			for (TableHeader header : table.getHeaders().values()) {
 
 				if (header.getName().length() > header.getWidth()) {
-					Iterable<String> chunks = Splitter.fixedLength(
-							header.getWidth()).split(header.getName());
+					Iterable<String> chunks = split(header.getName(), header.getWidth());
 					int length = headerline.length();
 					boolean first = true;
 					for (String chunk : chunks) {
@@ -205,8 +203,7 @@ public final class TableRenderer {
 					.entrySet()) {
 				String value = row.getValue(entry.getKey());
 				if (value.length() > entry.getValue().getWidth()) {
-					Iterable<String> chunks = Splitter.fixedLength(
-							entry.getValue().getWidth()).split(value);
+					Iterable<String> chunks = split(value, entry.getValue().getWidth());
 					int length = rowLine.length();
 					boolean first = true;
 					for (String chunk : chunks) {
@@ -265,4 +262,13 @@ public final class TableRenderer {
 
 		return headerBorder.toString();
 	}
+
+	private static List<String> split(String in, int length) {
+		List<String> result = new ArrayList<String>(in.length() / length);
+		for (int i = 0; i < in.length(); i += length) {
+			result.add(in.substring(i, Math.min(in.length(), i + length)));
+		}
+		return result;
+	}
+
 }