com.appslandia.sweetsop.multipart.FieldPart Maven / Gradle / Ivy

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// The MIT License (MIT)
// Copyright © 2015 AppsLandia. All rights reserved.

// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:

// The above copyright notice and this permission notice shall be included in all
// copies or substantial portions of the Software.

// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

package com.appslandia.sweetsop.multipart;

import java.io.IOException;
import java.io.OutputStream;
import java.nio.charset.Charset;

import com.appslandia.common.utils.CharsetUtils;
import com.appslandia.common.utils.ContentTypes;

/**
 * 
 * @author Loc Ha
 */
public class FieldPart extends Part {

	final byte[] _content;

	public FieldPart(String partName, String content) {
		super(partName, content, ContentTypes.TEXT_PLAIN, CharsetUtils.UTF_8);
		this._content = toFieldBytes(content, this.charset);
	}

	public FieldPart(String partName, String content, Charset charset) {
		super(partName, content, ContentTypes.TEXT_PLAIN, charset);
		this._content = toFieldBytes(content, this.charset);
	}

	@Override
	public long getBodyLength() {
		if (this._content != null) {
			return this._content.length;
		}
		return 0;
	}

	@Override
	protected void writeBody(OutputStream os) throws IOException {
		if (this._content != null) {
			os.write(this._content);
		}
	}

	@Override
	public FieldPart boundary(byte[] boundary) {
		super.boundary(boundary);
		return this;
	}

	@Override
	public FieldPart header(String name, String... values) {
		super.header(name, values);
		return this;
	}

	@Override
	public FieldPart transferEncoding(String transferEncoding) {
		super.transferEncoding(transferEncoding);
		return this;
	}

	private static byte[] toFieldBytes(String value, Charset charset) {
		if (value == null) {
			return null;
		} else {
			return value.getBytes(charset);
		}
	}
}