com.github.datalking.common.convert.editor.CustomBooleanEditor Maven / Gradle / Ivy

Go to download
package com.github.datalking.common.convert.editor;

import com.github.datalking.util.StringUtils;

import java.beans.PropertyEditorSupport;

/**
 */
public class CustomBooleanEditor extends PropertyEditorSupport {

	public static final String VALUE_TRUE = "true";
	public static final String VALUE_FALSE = "false";

	public static final String VALUE_ON = "on";
	public static final String VALUE_OFF = "off";

	public static final String VALUE_YES = "yes";
	public static final String VALUE_NO = "no";

	public static final String VALUE_1 = "1";
	public static final String VALUE_0 = "0";

	private final String trueString;

	private final String falseString;

	private final boolean allowEmpty;

	public CustomBooleanEditor(boolean allowEmpty) {
		this(null, null, allowEmpty);
	}

	public CustomBooleanEditor(String trueString, String falseString, boolean allowEmpty) {
		this.trueString = trueString;
		this.falseString = falseString;
		this.allowEmpty = allowEmpty;
	}

	@Override
	public void setAsText(String text) throws IllegalArgumentException {
		String input = (text != null ? text.trim() : null);
		if (this.allowEmpty && !StringUtils.hasLength(input)) {
			// Treat empty String as null value.
			setValue(null);
		}
		else if (this.trueString != null && this.trueString.equalsIgnoreCase(input)) {
			setValue(Boolean.TRUE);
		}
		else if (this.falseString != null && this.falseString.equalsIgnoreCase(input)) {
			setValue(Boolean.FALSE);
		}
		else if (this.trueString == null &&
				(VALUE_TRUE.equalsIgnoreCase(input) || VALUE_ON.equalsIgnoreCase(input) ||
						VALUE_YES.equalsIgnoreCase(input) || VALUE_1.equals(input))) {
			setValue(Boolean.TRUE);
		}
		else if (this.falseString == null &&
				(VALUE_FALSE.equalsIgnoreCase(input) || VALUE_OFF.equalsIgnoreCase(input) ||
						VALUE_NO.equalsIgnoreCase(input) || VALUE_0.equals(input))) {
			setValue(Boolean.FALSE);
		}
		else {
			throw new IllegalArgumentException("Invalid boolean value [" + text + "]");
		}
	}

	@Override
	public String getAsText() {
		if (Boolean.TRUE.equals(getValue())) {
			return (this.trueString != null ? this.trueString : VALUE_TRUE);
		}
		else if (Boolean.FALSE.equals(getValue())) {
			return (this.falseString != null ? this.falseString : VALUE_FALSE);
		}
		else {
			return "";
		}
	}

}