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/*
 * ====================================================================
 * 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
 * .
 *
 */

package org.apache.hc.core5.http.io.entity;

import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;

import org.apache.hc.core5.annotation.Contract;
import org.apache.hc.core5.annotation.ThreadingBehavior;
import org.apache.hc.core5.http.ContentType;
import org.apache.hc.core5.util.Args;

/**
 * A self contained, repeatable entity that obtains its content from a file.
 *
 * @since 4.0
 */
@Contract(threading = ThreadingBehavior.IMMUTABLE_CONDITIONAL)
public class FileEntity extends AbstractHttpEntity {

    private final File file;

    public FileEntity(final File file, final ContentType contentType, final String contentEncoding) {
        super(contentType, contentEncoding);
        this.file = Args.notNull(file, "File");
    }

    public FileEntity(final File file, final ContentType contentType) {
        super(contentType, null);
        this.file = Args.notNull(file, "File");
    }

    @Override
    public final boolean isRepeatable() {
        return true;
    }

    @Override
    public final long getContentLength() {
        return this.file.length();
    }

    @Override
    public final InputStream getContent() throws IOException {
        return new FileInputStream(this.file);
    }

    @Override
    public final boolean isStreaming() {
        return false;
    }

    @Override
    public final void close() throws IOException {
        // do nothing
    }

}




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