SWS-807 - Introduce FactoryBean for javax.net.ssl.KeyManagerFactory

Author: poutsma

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

@@ -0,0 +1,107 @@
+/*
+ * Copyright 2005-2012 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.KeyManager;
+import javax.net.ssl.KeyManagerFactory;
+
+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 KeyManager}s.
+ * <p/>
+ * Uses the {@link KeyManagerFactory} to create the {@code KeyManager}s.
+ *
+ * @author Stephen More
+ * @author Arjen Poutsma
+ * @see KeyManager
+ * @see KeyManagerFactory
+ * @since 2.1.2
+ */
+public class KeyManagersFactoryBean implements FactoryBean<KeyManager[]>, InitializingBean {
+
+    private KeyManagerFactory keyManagerFactory;
+
+    private KeyStore keyStore;
+
+    private String algorithm;
+
+    private String provider;
+
+    private char[] password;
+
+    /**
+     * Sets the password to use for integrity checking. If this property is not set, then integrity checking is not
+     * performed.
+     */
+    public void setPassword(String password) {
+        if (password != null) {
+            this.password = password.toCharArray();
+        }
+    }
+
+    /**
+     * Sets the provider of the key store 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.
+     *
+     * @see KeyManagerFactory#getDefaultAlgorithm()
+     */
+    public void setAlgorithm(String algorithm) {
+        this.algorithm = algorithm;
+    }
+
+    /**
+     * Sets the source of key material.
+     *
+     * @see KeyManagerFactory#init(KeyStore, char[])
+     */
+    public void setKeyStore(KeyStore keyStore) {
+        this.keyStore = keyStore;
+    }
+
+    public KeyManager[] getObject() throws Exception {
+        return keyManagerFactory.getKeyManagers();
+    }
+
+    public Class<?> getObjectType() {
+        return KeyManager[].class;
+    }
+
+    public boolean isSingleton() {
+        return true;
+    }
+
+    public void afterPropertiesSet() throws Exception {
+        String algorithm =
+                StringUtils.hasLength(this.algorithm) ? this.algorithm : KeyManagerFactory.getDefaultAlgorithm();
+
+        keyManagerFactory =
+                StringUtils.hasLength(this.provider) ? KeyManagerFactory.getInstance(algorithm, this.provider) :
+                        KeyManagerFactory.getInstance(algorithm);
+
+        keyManagerFactory.init(keyStore, password);
+    }
+}