com.moodysalem.phantomjs.wrapper.beans.PaperSize Maven / Gradle / Ivy

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package com.moodysalem.phantomjs.wrapper.beans;

import com.moodysalem.phantomjs.wrapper.enums.SizeUnit;

/**
 * Defines the size of paper for printed formats such as PDF
 */
public class PaperSize {
    public enum Orientation {
        PORTRAIT, LANDSCAPE
    }

    public static final PaperSize Letter = new PaperSize(8.5f, SizeUnit.in, 11, SizeUnit.in, Orientation.PORTRAIT);
    public static final PaperSize Legal = new PaperSize(11f, SizeUnit.in, 14, SizeUnit.in, Orientation.PORTRAIT);
    public static final PaperSize Tabloid = new PaperSize(11f, SizeUnit.in, 17, SizeUnit.in, Orientation.PORTRAIT);
    public static final PaperSize A3 = new PaperSize(297, SizeUnit.mm, 420, SizeUnit.mm, Orientation.PORTRAIT);
    public static final PaperSize A4 = new PaperSize(210, SizeUnit.mm, 297, SizeUnit.mm, Orientation.PORTRAIT);
    public static final PaperSize A5 = new PaperSize(148, SizeUnit.mm, 210, SizeUnit.mm, Orientation.PORTRAIT);

    private final float width;
    private final SizeUnit widthUnit;
    private final float height;
    private final SizeUnit heightUnit;
    private final Orientation orientation;

    public PaperSize(float width, SizeUnit widthUnit, float height, SizeUnit heightUnit, Orientation orientation) {
        if (widthUnit == null || heightUnit == null || orientation == null) {
            throw new NullPointerException();
        }
        if (width <= 0 || height <= 0) {
            throw new IllegalArgumentException();
        }
        this.width = width;
        this.widthUnit = widthUnit;
        this.height = height;
        this.heightUnit = heightUnit;
        this.orientation = orientation;
    }

    public String getWidth() {
        return Float.toString(width) + widthUnit.name();
    }

    public String getHeight() {
        return Float.toString(height) + heightUnit.name();
    }

    public Orientation getOrientation() {
        return orientation;
    }

    public PaperSize withOrientation(Orientation orientation) {
        if (orientation == null) {
            throw new NullPointerException();
        }
        if (this.orientation.equals(orientation)) {
            return this;
        }
        return new PaperSize(height, heightUnit, width, widthUnit, orientation);
    }
}