pt 1 in reviving the android build (copied from pm 28a1, wish me luck)

mobile/android/thirdparty/ch/boye/httpclientandroidlib/conn/ssl/SSLContexts.java

@@ -0,0 +1,90 @@
+/*
+ * ====================================================================
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you 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.
+ * ====================================================================
+ *
+ * This software consists of voluntary contributions made by many
+ * individuals on behalf of the Apache Software Foundation.  For more
+ * information on the Apache Software Foundation, please see
+ * <http://www.apache.org/>.
+ *
+ */
+
+package ch.boye.httpclientandroidlib.conn.ssl;
+
+import java.security.KeyManagementException;
+import java.security.NoSuchAlgorithmException;
+
+import javax.net.ssl.SSLContext;
+
+import ch.boye.httpclientandroidlib.annotation.Immutable;
+
+/**
+ * {@link SSLContext} factory methods.
+ *
+ * @since 4.3
+ */
+@Immutable
+public class SSLContexts {
+
+    /**
+     * Creates default factory based on the standard JSSE trust material
+     * (<code>cacerts</code> file in the security properties directory). System properties
+     * are not taken into consideration.
+     *
+     * @return the default SSL socket factory
+     */
+    public static SSLContext createDefault() throws SSLInitializationException {
+        try {
+            final SSLContext sslcontext = SSLContext.getInstance(SSLContextBuilder.TLS);
+            sslcontext.init(null, null, null);
+            return sslcontext;
+        } catch (final NoSuchAlgorithmException ex) {
+            throw new SSLInitializationException(ex.getMessage(), ex);
+        } catch (final KeyManagementException ex) {
+            throw new SSLInitializationException(ex.getMessage(), ex);
+        }
+    }
+
+    /**
+     * Creates default SSL context based on system properties. This method obtains
+     * default SSL context by calling <code>SSLContext.getInstance("Default")</code>.
+     * Please note that <code>Default</code> algorithm is supported as of Java 6.
+     * This method will fall back onto {@link #createDefault()} when
+     * <code>Default</code> algorithm is not available.
+     *
+     * @return default system SSL context
+     */
+    public static SSLContext createSystemDefault() throws SSLInitializationException {
+        try {
+            return SSLContext.getInstance("Default");
+        } catch (final NoSuchAlgorithmException ex) {
+            return createDefault();
+        }
+    }
+
+    /**
+     * Creates custom SSL context.
+     *
+     * @return default system SSL context
+     */
+    public static SSLContextBuilder custom() {
+        return new SSLContextBuilder();
+    }
+
+}