import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo

mobile/android/thirdparty/ch/boye/httpclientandroidlib/entity/FileEntity.java

@@ -0,0 +1,121 @@
+/*
+ * ====================================================================
+ * 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.entity;
+
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.OutputStream;
+
+import ch.boye.httpclientandroidlib.annotation.NotThreadSafe;
+import ch.boye.httpclientandroidlib.util.Args;
+
+/**
+ * A self contained, repeatable entity that obtains its content from a file.
+ *
+ * @since 4.0
+ */
+@NotThreadSafe
+public class FileEntity extends AbstractHttpEntity implements Cloneable {
+
+    protected final File file;
+
+    /**
+     * @deprecated (4.1.3) {@link #FileEntity(File, ContentType)}
+     */
+    @Deprecated
+    public FileEntity(final File file, final String contentType) {
+        super();
+        this.file = Args.notNull(file, "File");
+        setContentType(contentType);
+    }
+
+    /**
+     * @since 4.2
+     */
+    public FileEntity(final File file, final ContentType contentType) {
+        super();
+        this.file = Args.notNull(file, "File");
+        if (contentType != null) {
+            setContentType(contentType.toString());
+        }
+    }
+
+    /**
+     * @since 4.2
+     */
+    public FileEntity(final File file) {
+        super();
+        this.file = Args.notNull(file, "File");
+    }
+
+    public boolean isRepeatable() {
+        return true;
+    }
+
+    public long getContentLength() {
+        return this.file.length();
+    }
+
+    public InputStream getContent() throws IOException {
+        return new FileInputStream(this.file);
+    }
+
+    public void writeTo(final OutputStream outstream) throws IOException {
+        Args.notNull(outstream, "Output stream");
+        final InputStream instream = new FileInputStream(this.file);
+        try {
+            final byte[] tmp = new byte[OUTPUT_BUFFER_SIZE];
+            int l;
+            while ((l = instream.read(tmp)) != -1) {
+                outstream.write(tmp, 0, l);
+            }
+            outstream.flush();
+        } finally {
+            instream.close();
+        }
+    }
+
+    /**
+     * Tells that this entity is not streaming.
+     *
+     * @return <code>false</code>
+     */
+    public boolean isStreaming() {
+        return false;
+    }
+
+    @Override
+    public Object clone() throws CloneNotSupportedException {
+        // File instance is considered immutable
+        // No need to make a copy of it
+        return super.clone();
+    }
+
+} // class FileEntity