Introduce TrustManagersFactoryBean

Introduced TrustManagersFactoryBean for easy configuration of
TrustManager instances in Spring XML.

Issue: SWS-731

spring-ws-security/src/main/java/org/springframework/ws/soap/security/support/KeyManagersFactoryBean.java

@@ -37,7 +37,7 @@
  */
 public class KeyManagersFactoryBean implements FactoryBean<KeyManager[]>, InitializingBean {
 
-    private KeyManagerFactory keyManagerFactory;
+	private KeyManager[] keyManagers;
 
     private KeyStore keyStore;
 
@@ -58,14 +58,14 @@ public void setPassword(String password) {
     }
 
     /**
-     * Sets the provider of the key store to use. If this is not set, the default is used.
+     * Sets the provider of the key manager to use. If this is not set, the default is used.
      */
     public void setProvider(String provider) {
         this.provider = provider;
     }
 
     /**
-     * Sets the algorithm of the <code>KeyManager</code> to use. If this is not set, the default is used.
+     * Sets the algorithm of the {@code KeyManager} to use. If this is not set, the default is used.
      *
      * @see KeyManagerFactory#getDefaultAlgorithm()
      */
@@ -83,7 +83,7 @@ public void setKeyStore(KeyStore keyStore) {
     }
 
     public KeyManager[] getObject() throws Exception {
-        return keyManagerFactory.getKeyManagers();
+        return keyManagers;
     }
 
     public Class<?> getObjectType() {
@@ -98,10 +98,12 @@ public void afterPropertiesSet() throws Exception {
         String algorithm =
                 StringUtils.hasLength(this.algorithm) ? this.algorithm : KeyManagerFactory.getDefaultAlgorithm();
 
-        keyManagerFactory =
+        KeyManagerFactory keyManagerFactory =
                 StringUtils.hasLength(this.provider) ? KeyManagerFactory.getInstance(algorithm, this.provider) :
                         KeyManagerFactory.getInstance(algorithm);
 
         keyManagerFactory.init(keyStore, password);
+
+	    this.keyManagers = keyManagerFactory.getKeyManagers();
     }
 }

spring-ws-security/src/main/java/org/springframework/ws/soap/security/support/TrustManagersFactoryBean.java

@@ -0,0 +1,101 @@
+/*
+ * Copyright 2005-2014 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.springframework.ws.soap.security.support;
+
+import java.security.KeyStore;
+import javax.net.ssl.TrustManager;
+import javax.net.ssl.TrustManagerFactory;
+
+import org.springframework.beans.factory.FactoryBean;
+import org.springframework.beans.factory.InitializingBean;
+import org.springframework.util.StringUtils;
+
+/**
+ * Spring factory bean for an array of {@link TrustManager}s.
+ * <p/>
+ * Uses the {@link TrustManagerFactory} to create the {@code TrustManager}s.
+ *
+ * @author Arjen Poutsma
+ * @see TrustManager
+ * @see TrustManagerFactory
+ * @since 2.2
+ */
+public class TrustManagersFactoryBean
+		implements FactoryBean<TrustManager[]>, InitializingBean {
+
+	private TrustManager[] trustManagers;
+
+	private KeyStore keyStore;
+
+	private String algorithm;
+
+	private String provider;
+
+	/**
+	 * Sets the provider of the trust manager to use. If this is not set, the default is
+	 * used.
+	 */
+	public void setProvider(String provider) {
+		this.provider = provider;
+	}
+
+	/**
+	 * Sets the algorithm of the {@code TrustManager} to use. If this is not set, the
+	 * default is used.
+	 * @see TrustManagerFactory#getDefaultAlgorithm()
+	 */
+	public void setAlgorithm(String algorithm) {
+		this.algorithm = algorithm;
+	}
+
+	/**
+	 * Sets the source of certificate authorities and related trust material.
+	 * @see TrustManagerFactory#init(KeyStore)
+	 */
+	public void setKeyStore(KeyStore keyStore) {
+		this.keyStore = keyStore;
+	}
+
+	@Override
+	public TrustManager[] getObject() throws Exception {
+		return trustManagers;
+	}
+
+	@Override
+	public Class<?> getObjectType() {
+		return TrustManager[].class;
+	}
+
+	@Override
+	public boolean isSingleton() {
+		return true;
+	}
+
+	@Override
+	public void afterPropertiesSet() throws Exception {
+		String algorithm = StringUtils.hasLength(this.algorithm) ? this.algorithm :
+				TrustManagerFactory.getDefaultAlgorithm();
+
+		TrustManagerFactory trustManagerFactory = StringUtils.hasLength(this.provider) ?
+				TrustManagerFactory.getInstance(algorithm, this.provider) :
+				TrustManagerFactory.getInstance(algorithm);
+
+		trustManagerFactory.init(keyStore);
+
+		this.trustManagers = trustManagerFactory.getTrustManagers();
+	}
+}

spring-ws-security/src/test/java/org/springframework/ws/soap/security/support/KeyManagersFactoryBeanTest.java

@@ -0,0 +1,48 @@
+/*
+ * Copyright 2005-2014 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.springframework.ws.soap.security.support;
+
+import javax.net.ssl.KeyManager;
+import javax.net.ssl.TrustManager;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertFalse;
+import static org.junit.Assert.assertNotNull;
+import org.junit.Test;
+
+public class KeyManagersFactoryBeanTest {
+
+	@Test
+	public void defaults() throws Exception {
+		KeyManagersFactoryBean factoryBean = new KeyManagersFactoryBean();
+		factoryBean.afterPropertiesSet();
+		KeyManager[] keyManagers = factoryBean.getObject();
+		assertNotNull(keyManagers);
+		assertEquals(1, keyManagers.length);
+	}
+
+	@Test
+	public void algorithm() throws Exception {
+		KeyManagersFactoryBean factoryBean = new KeyManagersFactoryBean();
+		factoryBean.setAlgorithm("PKIX");
+		factoryBean.afterPropertiesSet();
+		KeyManager[] keyManagers = factoryBean.getObject();
+		assertNotNull(keyManagers);
+		assertEquals(1, keyManagers.length);
+	}
+
+}

spring-ws-security/src/test/java/org/springframework/ws/soap/security/support/TrustManagersFactoryBeanTest.java

@@ -0,0 +1,47 @@
+/*
+ * Copyright 2005-2014 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.springframework.ws.soap.security.support;
+
+import javax.net.ssl.TrustManager;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertFalse;
+import static org.junit.Assert.assertNotNull;
+import org.junit.Test;
+
+public class TrustManagersFactoryBeanTest {
+
+	@Test
+	public void defaults() throws Exception {
+		TrustManagersFactoryBean factoryBean = new TrustManagersFactoryBean();
+		factoryBean.afterPropertiesSet();
+		TrustManager[] trustManagers = factoryBean.getObject();
+		assertNotNull(trustManagers);
+		assertEquals(1, trustManagers.length);
+	}
+
+	@Test
+	public void algorithm() throws Exception {
+		TrustManagersFactoryBean factoryBean = new TrustManagersFactoryBean();
+		factoryBean.setAlgorithm("PKIX");
+		factoryBean.afterPropertiesSet();
+		TrustManager[] trustManagers = factoryBean.getObject();
+		assertNotNull(trustManagers);
+		assertEquals(1, trustManagers.length);
+	}
+
+}