import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo

mobile/android/thirdparty/ch/boye/httpclientandroidlib/impl/io/SocketInputBuffer.java

@@ -0,0 +1,108 @@
+/*
+ * ====================================================================
+ * 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.impl.io;
+
+import java.io.IOException;
+import java.net.Socket;
+
+import ch.boye.httpclientandroidlib.annotation.NotThreadSafe;
+import ch.boye.httpclientandroidlib.io.EofSensor;
+import ch.boye.httpclientandroidlib.params.HttpParams;
+import ch.boye.httpclientandroidlib.util.Args;
+
+/**
+ * {@link ch.boye.httpclientandroidlib.io.SessionInputBuffer} implementation
+ * bound to a {@link Socket}.
+ *
+ * @since 4.0
+ *
+ * @deprecated (4.3) use {@link SessionInputBufferImpl}
+ */
+@NotThreadSafe
+@Deprecated
+public class SocketInputBuffer extends AbstractSessionInputBuffer implements EofSensor {
+
+    private final Socket socket;
+
+    private boolean eof;
+
+    /**
+     * Creates an instance of this class.
+     *
+     * @param socket the socket to read data from.
+     * @param buffersize the size of the internal buffer. If this number is less
+     *   than <code>0</code> it is set to the value of
+     *   {@link Socket#getReceiveBufferSize()}. If resultant number is less
+     *   than <code>1024</code> it is set to <code>1024</code>.
+     * @param params HTTP parameters.
+     */
+    public SocketInputBuffer(
+            final Socket socket,
+            final int buffersize,
+            final HttpParams params) throws IOException {
+        super();
+        Args.notNull(socket, "Socket");
+        this.socket = socket;
+        this.eof = false;
+        int n = buffersize;
+        if (n < 0) {
+            n = socket.getReceiveBufferSize();
+        }
+        if (n < 1024) {
+            n = 1024;
+        }
+        init(socket.getInputStream(), n, params);
+    }
+
+    @Override
+    protected int fillBuffer() throws IOException {
+        final int i = super.fillBuffer();
+        this.eof = i == -1;
+        return i;
+    }
+
+    public boolean isDataAvailable(final int timeout) throws IOException {
+        boolean result = hasBufferedData();
+        if (!result) {
+            final int oldtimeout = this.socket.getSoTimeout();
+            try {
+                this.socket.setSoTimeout(timeout);
+                fillBuffer();
+                result = hasBufferedData();
+            } finally {
+                socket.setSoTimeout(oldtimeout);
+            }
+        }
+        return result;
+    }
+
+    public boolean isEof() {
+        return this.eof;
+    }
+
+}