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

mobile/android/thirdparty/ch/boye/httpclientandroidlib/auth/AuthSchemeRegistry.java

@@ -0,0 +1,155 @@
+/*
+ * ====================================================================
+ * 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.auth;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Locale;
+import java.util.Map;
+import java.util.concurrent.ConcurrentHashMap;
+
+import ch.boye.httpclientandroidlib.HttpRequest;
+import ch.boye.httpclientandroidlib.annotation.ThreadSafe;
+import ch.boye.httpclientandroidlib.config.Lookup;
+import ch.boye.httpclientandroidlib.params.HttpParams;
+import ch.boye.httpclientandroidlib.protocol.ExecutionContext;
+import ch.boye.httpclientandroidlib.protocol.HttpContext;
+import ch.boye.httpclientandroidlib.util.Args;
+
+/**
+ * Authentication scheme registry that can be used to obtain the corresponding
+ * authentication scheme implementation for a given type of authorization challenge.
+ *
+ * @since 4.0
+ *
+ * @deprecated (4.3) use {@link ch.boye.httpclientandroidlib.config.Registry}
+ */
+@ThreadSafe
+@Deprecated
+public final class AuthSchemeRegistry implements Lookup<AuthSchemeProvider> {
+
+    private final ConcurrentHashMap<String,AuthSchemeFactory> registeredSchemes;
+
+    public AuthSchemeRegistry() {
+        super();
+        this.registeredSchemes = new ConcurrentHashMap<String,AuthSchemeFactory>();
+    }
+
+    /**
+     * Registers a {@link AuthSchemeFactory} with  the given identifier. If a factory with the
+     * given name already exists it will be overridden. This name is the same one used to
+     * retrieve the {@link AuthScheme authentication scheme} from {@link #getAuthScheme}.
+     *
+     * <p>
+     * Please note that custom authentication preferences, if used, need to be updated accordingly
+     * for the new {@link AuthScheme authentication scheme} to take effect.
+     * </p>
+     *
+     * @param name the identifier for this scheme
+     * @param factory the {@link AuthSchemeFactory} class to register
+     *
+     * @see #getAuthScheme
+     */
+    public void register(
+            final String name,
+            final AuthSchemeFactory factory) {
+         Args.notNull(name, "Name");
+        Args.notNull(factory, "Authentication scheme factory");
+        registeredSchemes.put(name.toLowerCase(Locale.ENGLISH), factory);
+    }
+
+    /**
+     * Unregisters the class implementing an {@link AuthScheme authentication scheme} with
+     * the given name.
+     *
+     * @param name the identifier of the class to unregister
+     */
+    public void unregister(final String name) {
+         Args.notNull(name, "Name");
+        registeredSchemes.remove(name.toLowerCase(Locale.ENGLISH));
+    }
+
+    /**
+     * Gets the {@link AuthScheme authentication scheme} with the given name.
+     *
+     * @param name the {@link AuthScheme authentication scheme} identifier
+     * @param params the {@link HttpParams HTTP parameters} for the authentication
+     *  scheme.
+     *
+     * @return {@link AuthScheme authentication scheme}
+     *
+     * @throws IllegalStateException if a scheme with the given name cannot be found
+     */
+    public AuthScheme getAuthScheme(final String name, final HttpParams params)
+        throws IllegalStateException {
+
+        Args.notNull(name, "Name");
+        final AuthSchemeFactory factory = registeredSchemes.get(name.toLowerCase(Locale.ENGLISH));
+        if (factory != null) {
+            return factory.newInstance(params);
+        } else {
+            throw new IllegalStateException("Unsupported authentication scheme: " + name);
+        }
+    }
+
+    /**
+     * Obtains a list containing the names of all registered {@link AuthScheme authentication
+     * schemes}
+     *
+     * @return list of registered scheme names
+     */
+    public List<String> getSchemeNames() {
+        return new ArrayList<String>(registeredSchemes.keySet());
+    }
+
+    /**
+     * Populates the internal collection of registered {@link AuthScheme authentication schemes}
+     * with the content of the map passed as a parameter.
+     *
+     * @param map authentication schemes
+     */
+    public void setItems(final Map<String, AuthSchemeFactory> map) {
+        if (map == null) {
+            return;
+        }
+        registeredSchemes.clear();
+        registeredSchemes.putAll(map);
+    }
+
+    public AuthSchemeProvider lookup(final String name) {
+        return new AuthSchemeProvider() {
+
+            public AuthScheme create(final HttpContext context) {
+                final HttpRequest request = (HttpRequest) context.getAttribute(
+                        ExecutionContext.HTTP_REQUEST);
+                return getAuthScheme(name, request.getParams());
+            }
+
+        };
+    }
+
+}