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

mobile/android/thirdparty/ch/boye/httpclientandroidlib/conn/BasicManagedEntity.java

@@ -0,0 +1,208 @@
+/*
+ * ====================================================================
+ * 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;
+
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.OutputStream;
+import java.net.SocketException;
+
+import ch.boye.httpclientandroidlib.HttpEntity;
+import ch.boye.httpclientandroidlib.annotation.NotThreadSafe;
+import ch.boye.httpclientandroidlib.entity.HttpEntityWrapper;
+import ch.boye.httpclientandroidlib.util.Args;
+import ch.boye.httpclientandroidlib.util.EntityUtils;
+
+/**
+ * An entity that releases a {@link ManagedClientConnection connection}.
+ * A {@link ManagedClientConnection} will
+ * typically <i>not</i> return a managed entity, but you can replace
+ * the unmanaged entity in the response with a managed one.
+ *
+ * @since 4.0
+ *
+ * @deprecated (4.3) do not use.
+ */
+@Deprecated
+@NotThreadSafe
+public class BasicManagedEntity extends HttpEntityWrapper
+    implements ConnectionReleaseTrigger, EofSensorWatcher {
+
+    /** The connection to release. */
+    protected ManagedClientConnection managedConn;
+
+    /** Whether to keep the connection alive. */
+    protected final boolean attemptReuse;
+
+    /**
+     * Creates a new managed entity that can release a connection.
+     *
+     * @param entity    the entity of which to wrap the content.
+     *                  Note that the argument entity can no longer be used
+     *                  afterwards, since the content will be taken by this
+     *                  managed entity.
+     * @param conn      the connection to release
+     * @param reuse     whether the connection should be re-used
+     */
+    public BasicManagedEntity(final HttpEntity entity,
+                              final ManagedClientConnection conn,
+                              final boolean reuse) {
+        super(entity);
+        Args.notNull(conn, "Connection");
+        this.managedConn = conn;
+        this.attemptReuse = reuse;
+    }
+
+    @Override
+    public boolean isRepeatable() {
+        return false;
+    }
+
+    @Override
+    public InputStream getContent() throws IOException {
+        return new EofSensorInputStream(wrappedEntity.getContent(), this);
+    }
+
+    private void ensureConsumed() throws IOException {
+        if (managedConn == null) {
+            return;
+        }
+
+        try {
+            if (attemptReuse) {
+                // this will not trigger a callback from EofSensorInputStream
+                EntityUtils.consume(wrappedEntity);
+                managedConn.markReusable();
+            } else {
+                managedConn.unmarkReusable();
+            }
+        } finally {
+            releaseManagedConnection();
+        }
+    }
+
+    /**
+     * @deprecated (4.1) Use {@link EntityUtils#consume(HttpEntity)}
+     */
+    @Deprecated
+    @Override
+    public void consumeContent() throws IOException {
+        ensureConsumed();
+    }
+
+    @Override
+    public void writeTo(final OutputStream outstream) throws IOException {
+        super.writeTo(outstream);
+        ensureConsumed();
+    }
+
+    public void releaseConnection() throws IOException {
+        ensureConsumed();
+    }
+
+    public void abortConnection() throws IOException {
+
+        if (managedConn != null) {
+            try {
+                managedConn.abortConnection();
+            } finally {
+                managedConn = null;
+            }
+        }
+    }
+
+    public boolean eofDetected(final InputStream wrapped) throws IOException {
+        try {
+            if (managedConn != null) {
+                if (attemptReuse) {
+                    // there may be some cleanup required, such as
+                    // reading trailers after the response body:
+                    wrapped.close();
+                    managedConn.markReusable();
+                } else {
+                    managedConn.unmarkReusable();
+                }
+            }
+        } finally {
+            releaseManagedConnection();
+        }
+        return false;
+    }
+
+    public boolean streamClosed(final InputStream wrapped) throws IOException {
+        try {
+            if (managedConn != null) {
+                if (attemptReuse) {
+                    final boolean valid = managedConn.isOpen();
+                    // this assumes that closing the stream will
+                    // consume the remainder of the response body:
+                    try {
+                        wrapped.close();
+                        managedConn.markReusable();
+                    } catch (final SocketException ex) {
+                        if (valid) {
+                            throw ex;
+                        }
+                    }
+                } else {
+                    managedConn.unmarkReusable();
+                }
+            }
+        } finally {
+            releaseManagedConnection();
+        }
+        return false;
+    }
+
+    public boolean streamAbort(final InputStream wrapped) throws IOException {
+        if (managedConn != null) {
+            managedConn.abortConnection();
+        }
+        return false;
+    }
+
+    /**
+     * Releases the connection gracefully.
+     * The connection attribute will be nullified.
+     * Subsequent invocations are no-ops.
+     *
+     * @throws IOException      in case of an IO problem.
+     *         The connection attribute will be nullified anyway.
+     */
+    protected void releaseManagedConnection()
+        throws IOException {
+
+        if (managedConn != null) {
+            try {
+                managedConn.releaseConnection();
+            } finally {
+                managedConn = null;
+            }
+        }
+    }
+
+}