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

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

@@ -0,0 +1,235 @@
+/*
+ * ====================================================================
+ * 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.Queue;
+
+import ch.boye.httpclientandroidlib.annotation.NotThreadSafe;
+import ch.boye.httpclientandroidlib.util.Args;
+
+/**
+ * This class provides detailed information about the state of the authentication process.
+ *
+ * @since 4.0
+ */
+@NotThreadSafe
+public class AuthState {
+
+    /** Actual state of authentication protocol */
+    private AuthProtocolState state;
+
+    /** Actual authentication scheme */
+    private AuthScheme authScheme;
+
+    /** Actual authentication scope */
+    private AuthScope authScope;
+
+    /** Credentials selected for authentication */
+    private Credentials credentials;
+
+    /** Available auth options */
+    private Queue<AuthOption> authOptions;
+
+    public AuthState() {
+        super();
+        this.state = AuthProtocolState.UNCHALLENGED;
+    }
+
+    /**
+     * Resets the auth state.
+     *
+     * @since 4.2
+     */
+    public void reset() {
+        this.state = AuthProtocolState.UNCHALLENGED;
+        this.authOptions = null;
+        this.authScheme = null;
+        this.authScope = null;
+        this.credentials = null;
+    }
+
+    /**
+     * @since 4.2
+     */
+    public AuthProtocolState getState() {
+        return this.state;
+    }
+
+    /**
+     * @since 4.2
+     */
+    public void setState(final AuthProtocolState state) {
+        this.state = state != null ? state : AuthProtocolState.UNCHALLENGED;
+    }
+
+    /**
+     * Returns actual {@link AuthScheme}. May be null.
+     */
+    public AuthScheme getAuthScheme() {
+        return this.authScheme;
+    }
+
+    /**
+     * Returns actual {@link Credentials}. May be null.
+     */
+    public Credentials getCredentials() {
+        return this.credentials;
+    }
+
+    /**
+     * Updates the auth state with {@link AuthScheme} and {@link Credentials}.
+     *
+     * @param authScheme auth scheme. May not be null.
+     * @param credentials user crednetials. May not be null.
+     *
+     * @since 4.2
+     */
+    public void update(final AuthScheme authScheme, final Credentials credentials) {
+        Args.notNull(authScheme, "Auth scheme");
+        Args.notNull(credentials, "Credentials");
+        this.authScheme = authScheme;
+        this.credentials = credentials;
+        this.authOptions = null;
+    }
+
+    /**
+     * Returns available {@link AuthOption}s. May be null.
+     *
+     * @since 4.2
+     */
+    public Queue<AuthOption> getAuthOptions() {
+        return this.authOptions;
+    }
+
+    /**
+     * Returns <code>true</code> if {@link AuthOption}s are available, <code>false</code>
+     * otherwise.
+     *
+     * @since 4.2
+     */
+    public boolean hasAuthOptions() {
+        return this.authOptions != null && !this.authOptions.isEmpty();
+    }
+
+    /**
+     * Updates the auth state with a queue of {@link AuthOption}s.
+     *
+     * @param authOptions a queue of auth options. May not be null or empty.
+     *
+     * @since 4.2
+     */
+    public void update(final Queue<AuthOption> authOptions) {
+        Args.notEmpty(authOptions, "Queue of auth options");
+        this.authOptions = authOptions;
+        this.authScheme = null;
+        this.credentials = null;
+    }
+
+    /**
+     * Invalidates the authentication state by resetting its parameters.
+     *
+     * @deprecated (4.2)  use {@link #reset()}
+     */
+    @Deprecated
+    public void invalidate() {
+        reset();
+    }
+
+    /**
+     * @deprecated (4.2) do not use
+     */
+    @Deprecated
+    public boolean isValid() {
+        return this.authScheme != null;
+    }
+
+    /**
+     * Assigns the given {@link AuthScheme authentication scheme}.
+     *
+     * @param authScheme the {@link AuthScheme authentication scheme}
+     *
+     * @deprecated (4.2)  use {@link #update(AuthScheme, Credentials)}
+     */
+    @Deprecated
+    public void setAuthScheme(final AuthScheme authScheme) {
+        if (authScheme == null) {
+            reset();
+            return;
+        }
+        this.authScheme = authScheme;
+    }
+
+    /**
+     * Sets user {@link Credentials} to be used for authentication
+     *
+     * @param credentials User credentials
+     *
+     * @deprecated (4.2)  use {@link #update(AuthScheme, Credentials)}
+     */
+    @Deprecated
+    public void setCredentials(final Credentials credentials) {
+        this.credentials = credentials;
+    }
+
+    /**
+     * Returns actual {@link AuthScope} if available
+     *
+     * @return actual authentication scope if available, <code>null</code otherwise
+     *
+     * @deprecated (4.2)  do not use.
+     */
+    @Deprecated
+    public AuthScope getAuthScope() {
+        return this.authScope;
+    }
+
+    /**
+     * Sets actual {@link AuthScope}.
+     *
+     * @param authScope Authentication scope
+     *
+     * @deprecated (4.2)  do not use.
+     */
+    @Deprecated
+    public void setAuthScope(final AuthScope authScope) {
+        this.authScope = authScope;
+    }
+
+    @Override
+    public String toString() {
+        final StringBuilder buffer = new StringBuilder();
+        buffer.append("state:").append(this.state).append(";");
+        if (this.authScheme != null) {
+            buffer.append("auth scheme:").append(this.authScheme.getSchemeName()).append(";");
+        }
+        if (this.credentials != null) {
+            buffer.append("credentials present");
+        }
+        return buffer.toString();
+    }
+
+}