doc work, new example for expanding shortened urls

spring-security-rest-basic-auth/README.md

@@ -6,3 +6,4 @@
 ### Relevant Articles: 
 - [RestTemplate with Basic Authentication in Spring](http://www.baeldung.com/2012/04/16/how-to-use-resttemplate-with-basic-authentication-in-spring-3-1)
 - [HttpClient Timeout](http://www.baeldung.com/httpclient-timeout)
+- [HttpClient with SSL](http://www.baeldung.com/httpclient-ssl)

spring-security-rest-custom/.classpath

@@ -16,6 +16,7 @@
 			<attribute name="maven.pomderived" value="true"/>
 		</attributes>
 	</classpathentry>
+	<classpathentry kind="src" path="src/test/java"/>
 	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.7">
 		<attributes>
 			<attribute name="maven.pomderived" value="true"/>

spring-security-rest-custom/.settings/org.eclipse.wst.common.component

@@ -4,6 +4,7 @@
         <wb-resource deploy-path="/" source-path="/src/main/webapp" tag="defaultRootSource"/>
         <wb-resource deploy-path="/WEB-INF/classes" source-path="/src/main/java"/>
         <wb-resource deploy-path="/WEB-INF/classes" source-path="/src/main/resources"/>
+        <wb-resource deploy-path="/WEB-INF/classes" source-path="/src/test/java"/>
         <property name="context-root" value="spring-security-rest-custom"/>
         <property name="java-output-path" value="/spring-security-rest-custom/target/classes"/>
     </wb-module>

spring-security-rest-custom/pom.xml

@@ -1,5 +1,4 @@
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <groupId>org.baeldung</groupId>
     <artifactId>spring-security-rest-custom</artifactId>
@@ -102,6 +101,32 @@
             <scope>runtime</scope>
         </dependency>
 
+        <!-- http -->
+
+        <dependency>
+            <groupId>org.apache.httpcomponents</groupId>
+            <artifactId>httpcore</artifactId>
+            <version>${httpcore.version}</version>
+            <exclusions>
+                <exclusion>
+                    <artifactId>commons-logging</artifactId>
+                    <groupId>commons-logging</groupId>
+                </exclusion>
+            </exclusions>
+        </dependency>
+
+        <dependency>
+            <groupId>org.apache.httpcomponents</groupId>
+            <artifactId>httpclient</artifactId>
+            <version>${httpclient.version}</version>
+            <exclusions>
+                <exclusion>
+                    <artifactId>commons-logging</artifactId>
+                    <groupId>commons-logging</groupId>
+                </exclusion>
+            </exclusions>
+        </dependency>
+
         <!-- util -->
 
         <dependency>

spring-security-rest-custom/src/test/java/org/baeldung/live/HttpLiveServiceTemp.java

@@ -0,0 +1,102 @@
+package org.baeldung.live;
+
+import static org.hamcrest.Matchers.equalTo;
+import static org.junit.Assert.assertThat;
+
+import java.io.IOException;
+import java.io.InputStream;
+
+import org.apache.http.Header;
+import org.apache.http.HttpEntity;
+import org.apache.http.HttpHeaders;
+import org.apache.http.HttpResponse;
+import org.apache.http.client.methods.HttpGet;
+import org.apache.http.impl.client.DefaultHttpClient;
+import org.apache.http.params.BasicHttpParams;
+import org.apache.http.params.HttpParams;
+import org.apache.http.util.EntityUtils;
+import org.junit.Before;
+import org.junit.Test;
+
+import com.google.common.base.Preconditions;
+
+public class HttpLiveServiceTemp {
+
+    private DefaultHttpClient client;
+
+    // fixtures
+
+    @Before
+    public final void before() {
+        final HttpParams httpParameters = new BasicHttpParams();
+        httpParameters.setParameter("http.protocol.handle-redirects", false);
+
+        client = new DefaultHttpClient(httpParameters);
+    }
+
+    // tests
+
+    @Test
+    public final void givenShortenedOnce_whenUrlIsUnshortened_thenCorrectResult() throws IOException {
+        final String expectedResult = "http://www.baeldung.com/rest-versioning";
+        final String actualResult = expandSingleLevel("http://bit.ly/13jEoS1");
+        assertThat(actualResult, equalTo(expectedResult));
+    }
+
+    @Test
+    public final void givenShortenedMultiple_whenUrlIsUnshortened_thenCorrectResult() throws IOException {
+        final String expectedResult = "http://www.baeldung.com/rest-versioning";
+        final String actualResult = expand("http://t.co/e4rDDbnzmk");
+        assertThat(actualResult, equalTo(expectedResult));
+    }
+
+    // API
+
+    final String expand(final String urlArg) throws IOException {
+        String originalUrl = urlArg;
+        String newUrl = expandSingleLevel(originalUrl);
+        while (!originalUrl.equals(newUrl)) {
+            originalUrl = newUrl;
+            newUrl = expandSingleLevel(originalUrl);
+        }
+
+        return newUrl;
+    }
+
+    final String expandSingleLevel(final String url) throws IOException {
+        HttpGet request = null;
+        HttpEntity httpEntity = null;
+        InputStream entityContentStream = null;
+
+        try {
+            request = new HttpGet(url);
+            final HttpResponse httpResponse = client.execute(request);
+
+            httpEntity = httpResponse.getEntity();
+            entityContentStream = httpEntity.getContent();
+
+            final int statusCode = httpResponse.getStatusLine().getStatusCode();
+            if (statusCode != 301 && statusCode != 302) {
+                return url;
+            }
+            final Header[] headers = httpResponse.getHeaders(HttpHeaders.LOCATION);
+            Preconditions.checkState(headers.length == 1);
+            final String newUrl = headers[0].getValue();
+
+            return newUrl;
+        } catch (final IllegalArgumentException uriEx) {
+            return url;
+        } finally {
+            if (request != null) {
+                request.releaseConnection();
+            }
+            if (entityContentStream != null) {
+                entityContentStream.close();
+            }
+            if (httpEntity != null) {
+                EntityUtils.consume(httpEntity);
+            }
+        }
+    }
+
+}

spring-security-rest-digest-auth/pom.xml

@@ -93,18 +93,6 @@
 
         <!-- http -->
 
-        <!-- <dependency> -->
-        <!-- <groupId>org.apache.httpcomponents</groupId> -->
-        <!-- <artifactId>fluent-hc</artifactId> -->
-        <!-- <version>4.2.5</version> -->
-        <!-- <exclusions> -->
-        <!-- <exclusion> -->
-        <!-- <artifactId>commons-logging</artifactId> -->
-        <!-- <groupId>commons-logging</groupId> -->
-        <!-- </exclusion> -->
-        <!-- </exclusions> -->
-        <!-- </dependency> -->
-
         <dependency>
             <groupId>org.apache.httpcomponents</groupId>
             <artifactId>httpcore</artifactId>