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

mobile/android/thirdparty/ch/boye/httpclientandroidlib/util/ExceptionUtils.java

@@ -0,0 +1,82 @@
+/*
+ * ====================================================================
+ * 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.util;
+
+import java.lang.reflect.Method;
+
+/**
+ * The home for utility methods that handle various exception-related tasks.
+ *
+ *
+ * @since 4.0
+ *
+ * @deprecated (4.2) no longer used
+ */
+@Deprecated
+public final class ExceptionUtils {
+
+    /** A reference to Throwable's initCause method, or null if it's not there in this JVM */
+    static private final Method INIT_CAUSE_METHOD = getInitCauseMethod();
+
+    /**
+     * Returns a <code>Method<code> allowing access to
+     * {@link Throwable#initCause(Throwable) initCause} method of {@link Throwable},
+     * or <code>null</code> if the method
+     * does not exist.
+     *
+     * @return A <code>Method<code> for <code>Throwable.initCause</code>, or
+     * <code>null</code> if unavailable.
+     */
+    static private Method getInitCauseMethod() {
+        try {
+            final Class<?>[] paramsClasses = new Class[] { Throwable.class };
+            return Throwable.class.getMethod("initCause", paramsClasses);
+        } catch (final NoSuchMethodException e) {
+            return null;
+        }
+    }
+
+    /**
+     * If we're running on JDK 1.4 or later, initialize the cause for the given throwable.
+     *
+     * @param  throwable The throwable.
+     * @param  cause     The cause of the throwable.
+     */
+    public static void initCause(final Throwable throwable, final Throwable cause) {
+        if (INIT_CAUSE_METHOD != null) {
+            try {
+                INIT_CAUSE_METHOD.invoke(throwable, cause);
+            } catch (final Exception e) {
+                // Well, with no logging, the only option is to munch the exception
+            }
+        }
+    }
+
+    private ExceptionUtils() {
+    }
+
+}