kenh.xscript.elements.Println.java Source code

Introduction

Here is the source code for kenh.xscript.elements.Println.java

Source

/*
 * xScript (XML Script Language)
 * Copyright 2015 and beyond, Kenneth Huang
 * 
 * This file is part of xScript.
 * 
 * xScript is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License version 3
 * as published by the Free Software Foundation.
 * 
 * xScript is distributed in the hope that it will be useful, 
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Lesser General Public License for more details.
 * 
 * You should have received a copy of the GNU Lesser General Public
 * License along with xScript.  If not, see <http://www.gnu.org/licenses/>. 
 */

package kenh.xscript.elements;

import kenh.expl.UnsupportedExpressionException;
import kenh.xscript.annotation.Attribute;
import kenh.xscript.annotation.Processing;
import kenh.xscript.annotation.Text;
import kenh.xscript.impl.*;
import kenh.xscript.*;

import java.util.*;

import org.apache.commons.lang3.StringUtils;

/**
 * The system standard output with link break.
 * 
 * @author Kenneth
 *
 */
@Text(Text.Type.FULL)
public class Println extends NoChildElement {

    private static final String ATTRIBUTE_VALUE = "value";
    private static final String ATTRIBUTE_TRIM = "trim";

    public void process() throws UnsupportedScriptException {
        Object text = this.getParsedText();
        println(text);
    }

    public void process(@Attribute(ATTRIBUTE_VALUE) String value) throws UnsupportedScriptException {
        println(value);
    }

    public void process(@Attribute(ATTRIBUTE_VALUE) String value, @Attribute(ATTRIBUTE_TRIM) boolean trim)
            throws UnsupportedScriptException {
        println(StringUtils.trimToEmpty(value));
    }

    public void process(@Attribute(ATTRIBUTE_TRIM) boolean trim) throws UnsupportedScriptException {
        Object text = this.getParsedText();
        if (text instanceof String) {
            println(StringUtils.trimToEmpty((String) text));
        }
        println(text);
    }

    private void println(Object express) throws UnsupportedScriptException {
        if (express == null)
            System.out.println();
        else
            System.out.println(express);
    }

}